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<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_d7c39fc6a58949d9b8efa0ea0aabeed8.html">core</a></li> </ul>
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<div class="title">Pg.cpp</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (c) 2020 Ripple Labs Inc.</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">//==============================================================================</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifdef RIPPLED_REPORTING</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// Need raw socket manipulation to determine if postgres socket IPv4 or 6.</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#if defined(_WIN32)</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <winsock2.h></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <ws2tcpip.h></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#else</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <arpa/inet.h></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <netinet/in.h></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <sys/socket.h></span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <sys/types.h></span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <ripple/basics/contract.h></span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <ripple/core/Pg.h></span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <boost/asio/ssl/detail/openssl_init.hpp></span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <boost/format.hpp></span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a>></span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/array.html">array</a>></span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cassert.html">cassert</a>></span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cstdlib.html">cstdlib</a>></span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cstring.html">cstring</a>></span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/exception.html">exception</a>></span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/functional.html">functional</a>></span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/iterator.html">iterator</a>></span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/sstream.html">sstream</a>></span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/stdexcept.html">stdexcept</a>></span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/string.html">string</a>></span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/string_view.html">string_view</a>></span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/thread.html">thread</a>></span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/utility.html">utility</a>></span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/vector.html">vector</a>></span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> noticeReceiver(<span class="keywordtype">void</span>* arg, PGresult <span class="keyword">const</span>* res)</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> {</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a>& j = *<span class="keyword">static_cast<</span><a class="code" href="classbeast_1_1Journal.html">beast::Journal</a>*<span class="keyword">></span>(arg);</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  JLOG(j.<a class="code" href="classbeast_1_1Journal.html#a87d6bd59020d94110027dcab3d9e3357">info</a>()) << <span class="stringliteral">"server message: "</span> << PQresultErrorMessage(res);</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">//-----------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> PgResult::msg()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (error_.has_value())</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  {</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  ss << error_->first << <span class="stringliteral">": "</span> << error_->second;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>();</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">if</span> (result_)</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> <span class="stringliteral">"ok"</span>;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// Must be stopping.</span></div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> <span class="stringliteral">"stopping"</span>;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> }</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment">//-----------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> Connecting described in:</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> https://www.postgresql.org/docs/10/libpq-connect.html</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> Pg::connect()</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> {</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">if</span> (conn_)</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// Nothing to do if we already have a good connection.</span></div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (PQstatus(conn_.get()) == CONNECTION_OK)</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">/* Try resetting connection. */</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  PQreset(conn_.get());</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div>
|
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">else</span> <span class="comment">// Make new connection.</span></div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  conn_.reset(PQconnectdbParams(</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">reinterpret_cast<</span><span class="keywordtype">char</span> const* const*<span class="keyword">></span>(&config_.keywordsIdx[0]),</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">reinterpret_cast<</span><span class="keywordtype">char</span> const* const*<span class="keyword">></span>(&config_.valuesIdx[0]),</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  0));</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (!conn_)</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  Throw<std::runtime_error>(<span class="stringliteral">"No db connection struct"</span>);</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span> (PQstatus(conn_.get()) == CONNECTION_BAD)</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  {</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  ss << <span class="stringliteral">"DB connection status "</span> << PQstatus(conn_.get()) << <span class="stringliteral">": "</span></div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  << PQerrorMessage(conn_.get());</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  Throw<std::runtime_error>(ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>());</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// Log server session console messages.</span></div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  PQsetNoticeReceiver(</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  conn_.get(), noticeReceiver, <span class="keyword">const_cast<</span><a class="code" href="classbeast_1_1Journal.html">beast::Journal</a>*<span class="keyword">></span>(&j_));</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> }</div>
|
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> PgResult</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> Pg::query(<span class="keywordtype">char</span> <span class="keyword">const</span>* command, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> nParams, <span class="keywordtype">char</span> <span class="keyword">const</span>* <span class="keyword">const</span>* values)</div>
|
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> {</div>
|
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// The result object must be freed using the libpq API PQclear() call.</span></div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  pg_result_type ret{<span class="keyword">nullptr</span>, [](PGresult* result) { PQclear(result); }};</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// Connect then submit query.</span></div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>)</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  {</div>
|
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  {</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard<std::mutex></a> <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock.html">lock</a>(mutex_);</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (stop_)</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> PgResult();</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">try</span></div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  {</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  connect();</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> (nParams)</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  {</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// PQexecParams can process only a single command.</span></div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  ret.reset(PQexecParams(</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  conn_.get(),</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  command,</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  nParams,</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  values,</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">nullptr</span>,</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  0));</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  {</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// PQexec can process multiple commands separated by</span></div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// semi-colons. Returns the response from the last</span></div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// command processed.</span></div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  ret.reset(PQexec(conn_.get(), command));</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div>
|
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (!ret)</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  Throw<std::runtime_error>(<span class="stringliteral">"no result structure returned"</span>);</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">catch</span> (<a class="codeRef" href="http://en.cppreference.com/w/cpp/error/exception.html">std::exception</a> <span class="keyword">const</span>& e)</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  {</div>
|
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="comment">// Sever connection and retry until successful.</span></div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  disconnect();</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">error</a>()) << <span class="stringliteral">"database error, retrying: "</span> << e.<a class="codeRef" href="http://en.cppreference.com/w/cpp/error/exception/what.html">what</a>();</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/sleep_for.html">std::this_thread::sleep_for</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a>(1));</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  </div>
|
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// Ensure proper query execution.</span></div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">switch</span> (PQresultStatus(ret.get()))</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  {</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">case</span> PGRES_TUPLES_OK:</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">case</span> PGRES_COMMAND_OK:</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">case</span> PGRES_COPY_IN:</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">case</span> PGRES_COPY_OUT:</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">case</span> PGRES_COPY_BOTH:</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">default</span>: {</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  ss << <span class="stringliteral">"bad query result: "</span> << PQresStatus(PQresultStatus(ret.get()))</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  << <span class="stringliteral">" error message: "</span> << PQerrorMessage(conn_.get())</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  << <span class="stringliteral">", number of tuples: "</span> << PQntuples(ret.get())</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  << <span class="stringliteral">", number of fields: "</span> << PQnfields(ret.get());</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">error</a>()) << ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>();</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  PgResult retRes(ret.get(), conn_.get());</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  disconnect();</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> retRes;</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  </div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">return</span> PgResult(std::move(ret));</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> }</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  </div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="keyword">static</span> pg_formatted_params</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> formatParams(pg_params <span class="keyword">const</span>& dbParams, <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> <span class="keyword">const</span>& j)</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> {</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::optional<std::string></a>> <span class="keyword">const</span>& values = dbParams.second;</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">/* Convert vector to C-style array of C-strings for postgres API.</span></div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> std::nullopt is a proxy for NULL since an empty std::string is</span></div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"> 0 length but not NULL. */</span></div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<char const*></a> valuesIdx;</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  valuesIdx.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/reserve.html">reserve</a>(values.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>());</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordtype">bool</span> first = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>& value : values)</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  {</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (value)</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  {</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  valuesIdx.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(value->c_str());</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  ss << value->c_str();</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  {</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  valuesIdx.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(<span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  ss << <span class="stringliteral">"(null)"</span>;</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (first)</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  first = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  ss << <span class="charliteral">','</span>;</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  </div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  JLOG(j.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"query: "</span> << dbParams.first << <span class="stringliteral">". params: "</span> << ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>();</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">return</span> valuesIdx;</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> }</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  </div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> PgResult</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> Pg::query(pg_params <span class="keyword">const</span>& dbParams)</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> {</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordtype">char</span> <span class="keyword">const</span>* <span class="keyword">const</span>& command = dbParams.first;</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">auto</span> <span class="keyword">const</span> formattedParams = formatParams(dbParams, j_);</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> query(</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  command,</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  formattedParams.size(),</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  formattedParams.size()</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  ? <span class="keyword">reinterpret_cast<</span><span class="keywordtype">char</span> const* const*<span class="keyword">></span>(&formattedParams[0])</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  : <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> }</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> Pg::bulkInsert(<span class="keywordtype">char</span> <span class="keyword">const</span>* table, <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>& records)</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> {</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="comment">// https://www.postgresql.org/docs/12/libpq-copy.html#LIBPQ-COPY-SEND</span></div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  assert(conn_.get());</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keyword">static</span> <span class="keyword">auto</span> copyCmd = boost::format(R<span class="stringliteral">"(COPY %s FROM stdin)");</span></div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="stringliteral"> </span><span class="keyword">auto</span> res = query(boost::str(copyCmd % table).c_str());</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">if</span> (!res || res.status() != PGRES_COPY_IN)</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  {</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  ss << <span class="stringliteral">"bulkInsert to "</span> << table</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  << <span class="stringliteral">". Postgres insert error: "</span> << res.msg();</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">if</span> (res)</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  ss << <span class="stringliteral">". Query status not PGRES_COPY_IN: "</span> << res.status();</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  Throw<std::runtime_error>(ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>());</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  </div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">if</span> (PQputCopyData(conn_.get(), records.<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/c_str.html">c_str</a>(), records.<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">size</a>()) == -1)</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  {</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  ss << <span class="stringliteral">"bulkInsert to "</span> << table</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  << <span class="stringliteral">". PQputCopyData error: "</span> << PQerrorMessage(conn_.get());</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  disconnect();</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  Throw<std::runtime_error>(ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>());</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  </div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">if</span> (PQputCopyEnd(conn_.get(), <span class="keyword">nullptr</span>) == -1)</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  {</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  ss << <span class="stringliteral">"bulkInsert to "</span> << table</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  << <span class="stringliteral">". PQputCopyEnd error: "</span> << PQerrorMessage(conn_.get());</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  disconnect();</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  Throw<std::runtime_error>(ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>());</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  </div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="comment">// The result object must be freed using the libpq API PQclear() call.</span></div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  pg_result_type copyEndResult{</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keyword">nullptr</span>, [](PGresult* result) { PQclear(result); }};</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  copyEndResult.reset(PQgetResult(conn_.get()));</div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  ExecStatusType <a class="codeRef" href="http://en.cppreference.com/w/cpp/experimental/fs/status.html">status</a> = PQresultStatus(copyEndResult.get());</div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">if</span> (status != PGRES_COMMAND_OK)</div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  {</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  ss << <span class="stringliteral">"bulkInsert to "</span> << table</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  << <span class="stringliteral">". PQputCopyEnd status not PGRES_COMMAND_OK: "</span> << <a class="codeRef" href="http://en.cppreference.com/w/cpp/experimental/fs/status.html">status</a>;</div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  disconnect();</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  Throw<std::runtime_error>(ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>());</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> }</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  </div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="keywordtype">bool</span></div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> Pg::clear()</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> {</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">if</span> (!conn_)</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  </div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// The result object must be freed using the libpq API PQclear() call.</span></div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  pg_result_type res{<span class="keyword">nullptr</span>, [](PGresult* result) { PQclear(result); }};</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  </div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="comment">// Consume results until no more, or until the connection is severed.</span></div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">do</span></div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  {</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  res.reset(PQgetResult(conn_.get()));</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span> (!res)</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  </div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="comment">// Pending bulk copy operations may leave the connection in such a</span></div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// state that it must be disconnected.</span></div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">switch</span> (PQresultStatus(res.get()))</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  {</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">case</span> PGRES_COPY_IN:</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">if</span> (PQputCopyEnd(conn_.get(), <span class="keyword">nullptr</span>) != -1)</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  [[fallthrough]]; <span class="comment">// avoids compiler warning</span></div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">case</span> PGRES_COPY_OUT:</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">case</span> PGRES_COPY_BOTH:</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  conn_.reset();</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">default</span>:;</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  } <span class="keywordflow">while</span> (res && conn_);</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  </div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">return</span> conn_ != <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> }</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  </div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment">//-----------------------------------------------------------------------------</span></div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  </div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> PgPool::PgPool(Section <span class="keyword">const</span>& pgConfig, Stoppable& parent, <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> j)</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  : Stoppable(<span class="stringliteral">"PgPool"</span>, parent), j_(j)</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> {</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="comment">// Make sure that boost::asio initializes the SSL library.</span></div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  {</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keyword">static</span> boost::asio::ssl::detail::openssl_init<true> initSsl;</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  }</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="comment">// Don't have postgres client initialize SSL.</span></div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  PQinitOpenSSL(0, 0);</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  </div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment"> Connect to postgres to create low level connection parameters</span></div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment"> with optional caching of network address info for subsequent connections.</span></div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"> See https://www.postgresql.org/docs/10/libpq-connect.html</span></div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"></span> </div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment"> For bounds checking of postgres connection data received from</span></div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment"> the network: the largest size for any connection field in</span></div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment"> PG source code is 64 bytes as of 5/2019. There are 29 fields.</span></div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  constexpr <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> maxFieldSize = 1024;</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  constexpr <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> maxFields = 1000;</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  </div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="comment">// The connection object must be freed using the libpq API PQfinish() call.</span></div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  pg_connection_type conn(</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  PQconnectdb(get<std::string>(pgConfig, <span class="stringliteral">"conninfo"</span>).c_str()),</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  [](PGconn* conn) { PQfinish(conn); });</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">if</span> (!conn)</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  Throw<std::runtime_error>(<span class="stringliteral">"Can't create DB connection."</span>);</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">if</span> (PQstatus(conn.get()) != CONNECTION_OK)</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  {</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  ss << <span class="stringliteral">"Initial DB connection failed: "</span> << PQerrorMessage(conn.get());</div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  Throw<std::runtime_error>(ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>());</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  }</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  </div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordtype">int</span> <span class="keyword">const</span> sockfd = PQsocket(conn.get());</div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">if</span> (sockfd == -1)</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  Throw<std::runtime_error>(<span class="stringliteral">"No DB socket is open."</span>);</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keyword">struct </span>sockaddr_storage addr;</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  socklen_t len = <span class="keyword">sizeof</span>(addr);</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">if</span> (getpeername(sockfd, <span class="keyword">reinterpret_cast<</span>struct sockaddr*<span class="keyword">></span>(&addr), &len) ==</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  -1)</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  {</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  Throw<std::system_error>(</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  errno, <a class="codeRef" href="http://en.cppreference.com/w/cpp/error/generic_category.html">std::generic_category</a>(), <span class="stringliteral">"Can't get server address info."</span>);</div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  }</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  </div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="comment">// Set "port" and "hostaddr" if we're caching it.</span></div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordtype">bool</span> <span class="keyword">const</span> remember_ip = <a class="code" href="namespaceripple.html#a104985c6e3067babe99aca6bbc51ba5d">get</a>(pgConfig, <span class="stringliteral">"remember_ip"</span>, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  </div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">if</span> (remember_ip)</div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  {</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  config_.keywords.push_back(<span class="stringliteral">"port"</span>);</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  config_.keywords.push_back(<span class="stringliteral">"hostaddr"</span>);</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> port;</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> hostaddr;</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  </div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">if</span> (addr.ss_family == AF_INET)</div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  {</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  hostaddr.<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/assign.html">assign</a>(INET_ADDRSTRLEN, <span class="charliteral">'\0'</span>);</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keyword">struct </span>sockaddr_in const& ainfo =</div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keyword">reinterpret_cast<</span>struct sockaddr_in&<span class="keyword">></span>(addr);</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  port = <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(ntohs(ainfo.sin_port));</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">if</span> (!inet_ntop(</div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  AF_INET, &ainfo.sin_addr, &hostaddr[0], hostaddr.<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">size</a>()))</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  {</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  Throw<std::system_error>(</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  errno,</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/error/generic_category.html">std::generic_category</a>(),</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="stringliteral">"Can't get IPv4 address string."</span>);</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  }</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  }</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (addr.ss_family == AF_INET6)</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  {</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  hostaddr.<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/assign.html">assign</a>(INET6_ADDRSTRLEN, <span class="charliteral">'\0'</span>);</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keyword">struct </span>sockaddr_in6 const& ainfo =</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keyword">reinterpret_cast<</span>struct sockaddr_in6&<span class="keyword">></span>(addr);</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  port = <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(ntohs(ainfo.sin6_port));</div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordflow">if</span> (!inet_ntop(</div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  AF_INET6, &ainfo.sin6_addr, &hostaddr[0], hostaddr.<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">size</a>()))</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  {</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  Throw<std::system_error>(</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  errno,</div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/error/generic_category.html">std::generic_category</a>(),</div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="stringliteral">"Can't get IPv6 address string."</span>);</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  }</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  </div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  config_.values.push_back(port.<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/c_str.html">c_str</a>());</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  config_.values.push_back(hostaddr.<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/c_str.html">c_str</a>());</div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr</a><PQconninfoOption, void (*)(PQconninfoOption*)> connOptions(</div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  PQconninfo(conn.get()),</div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  [](PQconninfoOption* opts) { PQconninfoFree(opts); });</div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">if</span> (!connOptions)</div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  Throw<std::runtime_error>(<span class="stringliteral">"Can't get DB connection options."</span>);</div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  </div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> nfields = 0;</div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">for</span> (PQconninfoOption* option = connOptions.get();</div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  option->keyword != <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  ++option)</div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  {</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">if</span> (++nfields > maxFields)</div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  {</div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  ss << <span class="stringliteral">"DB returned connection options with > "</span> << maxFields</div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  << <span class="stringliteral">" fields."</span>;</div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  Throw<std::runtime_error>(ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>());</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  }</div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  </div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">if</span> (!option->val ||</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  (remember_ip &&</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  (!<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/byte/strcmp.html">strcmp</a>(option->keyword, <span class="stringliteral">"hostaddr"</span>) ||</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  !<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/byte/strcmp.html">strcmp</a>(option->keyword, <span class="stringliteral">"port"</span>))))</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  {</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  }</div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  </div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">if</span> (<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/byte/strlen.html">strlen</a>(option->keyword) > maxFieldSize ||</div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/byte/strlen.html">strlen</a>(option->val) > maxFieldSize)</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  {</div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  ss << <span class="stringliteral">"DB returned a connection option name or value with\n"</span>;</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  ss << <span class="stringliteral">"excessive size (>"</span> << maxFieldSize << <span class="stringliteral">" bytes).\n"</span>;</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  ss << <span class="stringliteral">"option (possibly truncated): "</span></div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  << <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string_view.html">std::string_view</a>(</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  option->keyword,</div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/byte/strlen.html">strlen</a>(option->keyword), maxFieldSize))</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  << <span class="charliteral">'\n'</span>;</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  ss << <span class="stringliteral">" value (possibly truncated): "</span></div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  << <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string_view.html">std::string_view</a>(</div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  option->val, <a class="codeRef" href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/byte/strlen.html">strlen</a>(option->val), maxFieldSize));</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  Throw<std::runtime_error>(ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>());</div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  }</div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  config_.keywords.push_back(option->keyword);</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  config_.values.push_back(option->val);</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  }</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  </div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  config_.keywordsIdx.reserve(config_.keywords.size() + 1);</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  config_.valuesIdx.reserve(config_.values.size() + 1);</div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">for</span> (<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> n = 0; n < config_.keywords.size(); ++n)</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  {</div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  config_.keywordsIdx.push_back(config_.keywords[n].c_str());</div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  config_.valuesIdx.push_back(config_.values[n].c_str());</div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  }</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  config_.keywordsIdx.push_back(<span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  config_.valuesIdx.push_back(<span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  </div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <a class="code" href="namespaceripple.html#a55f440d44d3b98aa990fadd4ebb7c87e">get_if_exists</a>(pgConfig, <span class="stringliteral">"max_connections"</span>, config_.max_connections);</div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> timeout;</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceripple.html#a55f440d44d3b98aa990fadd4ebb7c87e">get_if_exists</a>(pgConfig, <span class="stringliteral">"timeout"</span>, timeout))</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  config_.timeout = <a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a>(timeout);</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span> }</div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  </div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span> PgPool::setup()</div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span> {</div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  {</div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  ss << <span class="stringliteral">"max_connections: "</span> << config_.max_connections << <span class="stringliteral">", "</span></div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  << <span class="stringliteral">"timeout: "</span> << config_.timeout.count() << <span class="stringliteral">", "</span></div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  << <span class="stringliteral">"connection params: "</span>;</div>
|
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordtype">bool</span> first = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordflow">for</span> (<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> i = 0; i < config_.keywords.size(); ++i)</div>
|
|
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  {</div>
|
|
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">if</span> (first)</div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  first = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  ss << <span class="stringliteral">", "</span>;</div>
|
|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  ss << config_.keywords[i] << <span class="stringliteral">": "</span></div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  << (config_.keywords[i] == <span class="stringliteral">"password"</span> ? <span class="stringliteral">"*"</span> : config_.values[i]);</div>
|
|
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  }</div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) << ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>();</div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  }</div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> }</div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  </div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> PgPool::onStop()</div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> {</div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard<std::mutex></a> <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock.html">lock</a>(mutex_);</div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  stop_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  cond_.notify_all();</div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  idle_.clear();</div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  stopped();</div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a87d6bd59020d94110027dcab3d9e3357">info</a>()) << <span class="stringliteral">"stopped"</span>;</div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> }</div>
|
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  </div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span> <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> PgPool::idleSweeper()</div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span> {</div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> before, <a class="code" href="namespaceripple.html#aebcc26ebe20ddcd3bcbfd5402e0acb89">after</a>;</div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  {</div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard<std::mutex></a> <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock.html">lock</a>(mutex_);</div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  before = idle_.size();</div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keywordflow">if</span> (config_.timeout != <a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a>(0))</div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  {</div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keyword">auto</span> <span class="keyword">const</span> found =</div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  idle_.upper_bound(clock_type::now() - config_.timeout);</div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> it = idle_.begin(); it != found;)</div>
|
|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  {</div>
|
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  it = idle_.erase(it);</div>
|
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  --connections_;</div>
|
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  }</div>
|
|
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  }</div>
|
|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <a class="code" href="namespaceripple.html#aebcc26ebe20ddcd3bcbfd5402e0acb89">after</a> = idle_.size();</div>
|
|
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  }</div>
|
|
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  </div>
|
|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a87d6bd59020d94110027dcab3d9e3357">info</a>()) << <span class="stringliteral">"Idle sweeper. connections: "</span> << connections_</div>
|
|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  << <span class="stringliteral">". checked out: "</span> << connections_ - <a class="code" href="namespaceripple.html#aebcc26ebe20ddcd3bcbfd5402e0acb89">after</a></div>
|
|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  << <span class="stringliteral">". idle before, after sweep: "</span> << before << <span class="stringliteral">", "</span></div>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  << <a class="code" href="namespaceripple.html#aebcc26ebe20ddcd3bcbfd5402e0acb89">after</a>;</div>
|
|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span> }</div>
|
|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  </div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr<Pg></a></div>
|
|
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> PgPool::checkout()</div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> {</div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr<Pg></a> ret;</div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/unique_lock.html">std::unique_lock<std::mutex></a> <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock.html">lock</a>(mutex_);</div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keywordflow">do</span></div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  {</div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keywordflow">if</span> (stop_)</div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keywordflow">return</span> {};</div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  </div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="comment">// If there is a connection in the pool, return the most recent.</span></div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">if</span> (idle_.size())</div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  {</div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keyword">auto</span> entry = idle_.rbegin();</div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  ret = std::move(entry->second);</div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  idle_.erase(<a class="codeRef" href="http://en.cppreference.com/w/cpp/iterator/next.html">std::next</a>(entry).base());</div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  }</div>
|
|
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="comment">// Otherwise, return a new connection unless over threshold.</span></div>
|
|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (connections_ < config_.max_connections)</div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  {</div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  ++connections_;</div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  ret = std::make_unique<Pg>(config_, j_, stop_, mutex_);</div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  }</div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="comment">// Otherwise, wait until a connection becomes available or we stop.</span></div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  {</div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">error</a>()) << <span class="stringliteral">"No database connections available."</span>;</div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  cond_.wait(lock);</div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  }</div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  } <span class="keywordflow">while</span> (!ret && !stop_);</div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock.html">lock</a>.unlock();</div>
|
|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  </div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keywordflow">return</span> ret;</div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> }</div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  </div>
|
|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span> <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span> PgPool::checkin(<a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr<Pg></a>& pg)</div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> {</div>
|
|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keywordflow">if</span> (pg)</div>
|
|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  {</div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard<std::mutex></a> <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock.html">lock</a>(mutex_);</div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keywordflow">if</span> (!stop_ && pg->clear())</div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  {</div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  idle_.emplace(clock_type::now(), std::move(pg));</div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  }</div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  {</div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  --connections_;</div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  pg.<a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr/reset.html">reset</a>();</div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  }</div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  }</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  </div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  cond_.notify_all();</div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span> }</div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  </div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span> <span class="comment">//-----------------------------------------------------------------------------</span></div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  </div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<PgPool></a></div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> make_PgPool(Section <span class="keyword">const</span>& pgConfig, Stoppable& parent, <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> j)</div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> {</div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keyword">auto</span> ret = std::make_shared<PgPool>(pgConfig, parent, j);</div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  ret->setup();</div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="keywordflow">return</span> ret;</div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span> }</div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  </div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span> <span class="comment">//-----------------------------------------------------------------------------</span></div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  </div>
|
|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span> <span class="preprocessor">#define LATEST_SCHEMA_VERSION 1</span></div>
|
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  </div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span> <span class="keywordtype">char</span> <span class="keyword">const</span>* version_query = R<span class="stringliteral">"(</span></div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span> <span class="stringliteral">CREATE TABLE IF NOT EXISTS version (version int NOT NULL,</span></div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span> <span class="stringliteral"> fresh_pending int NOT NULL);</span></div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span> <span class="stringliteral">-- Version 0 means that no schema has been fully deployed.</span></div>
|
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span> <span class="stringliteral">DO $$</span></div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span> <span class="stringliteral"> IF NOT EXISTS (SELECT 1 FROM version) THEN</span></div>
|
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span> <span class="stringliteral"> INSERT INTO version VALUES (0, 0);</span></div>
|
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span> <span class="stringliteral">END IF;</span></div>
|
|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span> <span class="stringliteral">END $$;</span></div>
|
|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span> <span class="stringliteral">-- Function to set the schema version. _in_pending should only be set to</span></div>
|
|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span> <span class="stringliteral">-- non-zero prior to an attempt to initialize the schema from scratch.</span></div>
|
|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span> <span class="stringliteral">-- After successful initialization, this should set to 0.</span></div>
|
|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span> <span class="stringliteral">-- _in_version should be set to the version of schema that has been applied</span></div>
|
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span> <span class="stringliteral">-- once successful application has occurred.</span></div>
|
|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span> <span class="stringliteral">CREATE OR REPLACE FUNCTION set_schema_version (</span></div>
|
|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span> <span class="stringliteral"> _in_version int,</span></div>
|
|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> <span class="stringliteral"> _in_pending int</span></div>
|
|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span> <span class="stringliteral">) RETURNS void AS $$</span></div>
|
|
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span> <span class="stringliteral">DECLARE</span></div>
|
|
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span> <span class="stringliteral"> _current_version int;</span></div>
|
|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span> <span class="stringliteral"> IF _in_version IS NULL OR _in_pending IS NULL THEN RETURN; END IF;</span></div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span> <span class="stringliteral"> IF EXISTS (SELECT 1 FROM version) THEN DELETE FROM version; END IF;</span></div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span> <span class="stringliteral"> INSERT INTO version VALUES (_in_version, _in_pending);</span></div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span> <span class="stringliteral"> RETURN;</span></div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span> <span class="stringliteral">END;</span></div>
|
|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span> <span class="stringliteral">$$ LANGUAGE plpgsql;</span></div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span> <span class="stringliteral">-- PQexec() returns the output of the last statement in its response.</span></div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span> <span class="stringliteral">SELECT * FROM version;</span></div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span> <span class="stringliteral">)";</span></div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span> <span class="stringliteral"><a class="codeRef" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<char const*, LATEST_SCHEMA_VERSION + 1></a> full_schemata = {</span></div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span> <span class="stringliteral"> </span><span class="comment">// version 0:</span></div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="stringliteral">"There is no such thing as schema version 0."</span></div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  </div>
|
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <span class="comment">// version 1:</span></div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  ,</div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  R<span class="stringliteral">"(</span></div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span> <span class="stringliteral">-- Table to store ledger headers.</span></div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span> <span class="stringliteral">CREATE TABLE IF NOT EXISTS ledgers (</span></div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span> <span class="stringliteral"> ledger_seq bigint PRIMARY KEY,</span></div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> <span class="stringliteral"> ledger_hash bytea NOT NULL,</span></div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span> <span class="stringliteral"> prev_hash bytea NOT NULL,</span></div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span> <span class="stringliteral"> total_coins bigint NOT NULL,</span></div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span> <span class="stringliteral"> closing_time bigint NOT NULL,</span></div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span> <span class="stringliteral"> prev_closing_time bigint NOT NULL,</span></div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span> <span class="stringliteral"> close_time_res bigint NOT NULL,</span></div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> <span class="stringliteral"> close_flags bigint NOT NULL,</span></div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span> <span class="stringliteral"> account_set_hash bytea NOT NULL,</span></div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> <span class="stringliteral"> trans_set_hash bytea NOT NULL</span></div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span> <span class="stringliteral">);</span></div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span> <span class="stringliteral">-- Index for lookups by ledger hash.</span></div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span> <span class="stringliteral">CREATE INDEX IF NOT EXISTS ledgers_ledger_hash_idx ON ledgers</span></div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span> <span class="stringliteral"> USING hash (ledger_hash);</span></div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span> <span class="stringliteral">-- Transactions table. Deletes from the ledger table</span></div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span> <span class="stringliteral">-- cascade here based on ledger_seq.</span></div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span> <span class="stringliteral">CREATE TABLE IF NOT EXISTS transactions (</span></div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span> <span class="stringliteral"> ledger_seq bigint NOT NULL,</span></div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span> <span class="stringliteral"> transaction_index bigint NOT NULL,</span></div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span> <span class="stringliteral"> trans_id bytea NOT NULL,</span></div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span> <span class="stringliteral"> nodestore_hash bytea NOT NULL,</span></div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span> <span class="stringliteral"> constraint transactions_pkey PRIMARY KEY (ledger_seq, transaction_index),</span></div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span> <span class="stringliteral"> constraint transactions_fkey FOREIGN KEY (ledger_seq)</span></div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span> <span class="stringliteral"> REFERENCES ledgers (ledger_seq) ON DELETE CASCADE</span></div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span> <span class="stringliteral">);</span></div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span> <span class="stringliteral">-- Index for lookups by transaction hash.</span></div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span> <span class="stringliteral">CREATE INDEX IF NOT EXISTS transactions_trans_id_idx ON transactions</span></div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> <span class="stringliteral"> USING hash (trans_id);</span></div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span> <span class="stringliteral">-- Table that maps accounts to transactions affecting them. Deletes from the</span></div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span> <span class="stringliteral">-- ledger table by way of transactions table cascade here based on ledger_seq.</span></div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span> <span class="stringliteral">CREATE TABLE IF NOT EXISTS account_transactions (</span></div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span> <span class="stringliteral"> account bytea NOT NULL,</span></div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span> <span class="stringliteral"> ledger_seq bigint NOT NULL,</span></div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span> <span class="stringliteral"> transaction_index bigint NOT NULL,</span></div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> <span class="stringliteral"> constraint account_transactions_pkey PRIMARY KEY (account, ledger_seq,</span></div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span> <span class="stringliteral"> transaction_index),</span></div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span> <span class="stringliteral"> constraint account_transactions_fkey FOREIGN KEY (ledger_seq,</span></div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span> <span class="stringliteral"> transaction_index) REFERENCES transactions (</span></div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span> <span class="stringliteral"> ledger_seq, transaction_index) ON DELETE CASCADE</span></div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span> <span class="stringliteral">);</span></div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span> <span class="stringliteral">-- Index to allow for fast cascading deletions and referential integrity.</span></div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span> <span class="stringliteral">CREATE INDEX IF NOT EXISTS fki_account_transactions_idx ON</span></div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span> <span class="stringliteral"> account_transactions USING btree (ledger_seq, transaction_index);</span></div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span> <span class="stringliteral">-- Avoid inadvertent administrative tampering with committed data.</span></div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span> <span class="stringliteral">CREATE OR REPLACE RULE ledgers_update_protect AS ON UPDATE TO</span></div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span> <span class="stringliteral"> ledgers DO INSTEAD NOTHING;</span></div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span> <span class="stringliteral">CREATE OR REPLACE RULE transactions_update_protect AS ON UPDATE TO</span></div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span> <span class="stringliteral"> transactions DO INSTEAD NOTHING;</span></div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span> <span class="stringliteral">CREATE OR REPLACE RULE account_transactions_update_protect AS ON UPDATE TO</span></div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span> <span class="stringliteral"> account_transactions DO INSTEAD NOTHING;</span></div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span> <span class="stringliteral">-- Stored procedure to assist with the tx() RPC call. Takes transaction hash</span></div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span> <span class="stringliteral">-- as input. If found, returns the ledger sequence in which it was applied.</span></div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span> <span class="stringliteral">-- If not, returns the range of ledgers searched.</span></div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span> <span class="stringliteral">CREATE OR REPLACE FUNCTION tx (</span></div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span> <span class="stringliteral"> _in_trans_id bytea</span></div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span> <span class="stringliteral">) RETURNS jsonb AS $$</span></div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span> <span class="stringliteral">DECLARE</span></div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span> <span class="stringliteral"> _min_ledger bigint := min_ledger();</span></div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span> <span class="stringliteral"> _min_seq bigint := (SELECT ledger_seq</span></div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span> <span class="stringliteral"> FROM ledgers</span></div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span> <span class="stringliteral"> WHERE ledger_seq = _min_ledger</span></div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span> <span class="stringliteral"> FOR SHARE);</span></div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span> <span class="stringliteral"> _max_seq bigint := max_ledger();</span></div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span> <span class="stringliteral"> _ledger_seq bigint;</span></div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span> <span class="stringliteral"> _nodestore_hash bytea;</span></div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span> <span class="stringliteral"> IF _min_seq IS NULL THEN</span></div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span> <span class="stringliteral"> RETURN jsonb_build_object('error', 'empty database');</span></div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span> <span class="stringliteral"> IF length(_in_trans_id) != 32 THEN</span></div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span> <span class="stringliteral"> RETURN jsonb_build_object('error', '_in_trans_id size: '</span></div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span> <span class="stringliteral"> || to_char(length(_in_trans_id), '999'));</span></div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span> <span class="stringliteral"> EXECUTE 'SELECT nodestore_hash, ledger_seq</span></div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span> <span class="stringliteral"> FROM transactions</span></div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span> <span class="stringliteral"> WHERE trans_id = $1</span></div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span> <span class="stringliteral"> AND ledger_seq BETWEEN $2 AND $3</span></div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span> <span class="stringliteral"> ' INTO _nodestore_hash, _ledger_seq USING _in_trans_id, _min_seq, _max_seq;</span></div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span> <span class="stringliteral"> IF _nodestore_hash IS NULL THEN</span></div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span> <span class="stringliteral"> RETURN jsonb_build_object('min_seq', _min_seq, 'max_seq', _max_seq);</span></div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span> <span class="stringliteral"> RETURN jsonb_build_object('nodestore_hash', _nodestore_hash, 'ledger_seq',</span></div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span> <span class="stringliteral"> _ledger_seq);</span></div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span> <span class="stringliteral">END;</span></div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span> <span class="stringliteral">$$ LANGUAGE plpgsql;</span></div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span> <span class="stringliteral">-- Return the earliest ledger sequence intended for range operations</span></div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span> <span class="stringliteral">-- that protect the bottom of the range from deletion. Return NULL if empty.</span></div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span> <span class="stringliteral">CREATE OR REPLACE FUNCTION min_ledger () RETURNS bigint AS $$</span></div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span> <span class="stringliteral">DECLARE</span></div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span> <span class="stringliteral"> _min_seq bigint := (SELECT ledger_seq from min_seq);</span></div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span> <span class="stringliteral"> IF _min_seq IS NULL THEN</span></div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span> <span class="stringliteral"> RETURN (SELECT ledger_seq FROM ledgers ORDER BY ledger_seq ASC LIMIT 1);</span></div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span> <span class="stringliteral"> ELSE</span></div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span> <span class="stringliteral"> RETURN _min_seq;</span></div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span> <span class="stringliteral">END;</span></div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span> <span class="stringliteral">$$ LANGUAGE plpgsql;</span></div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span> <span class="stringliteral">-- Return the latest ledger sequence in the database, or NULL if empty.</span></div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span> <span class="stringliteral">CREATE OR REPLACE FUNCTION max_ledger () RETURNS bigint AS $$</span></div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span> <span class="stringliteral"> RETURN (SELECT ledger_seq FROM ledgers ORDER BY ledger_seq DESC LIMIT 1);</span></div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span> <span class="stringliteral">END;</span></div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span> <span class="stringliteral">$$ LANGUAGE plpgsql;</span></div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span> <span class="stringliteral">-- account_tx() RPC helper. From the rippled reporting process, only the</span></div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span> <span class="stringliteral">-- parameters without defaults are required. For the parameters with</span></div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span> <span class="stringliteral">-- defaults, validation should be done by rippled, such as:</span></div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span> <span class="stringliteral">-- _in_account_id should be a valid xrp base58 address.</span></div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span> <span class="stringliteral">-- _in_forward either true or false according to the published api</span></div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span> <span class="stringliteral">-- _in_limit should be validated and not simply passed through from</span></div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span> <span class="stringliteral">-- client.</span></div>
|
|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span> <span class="stringliteral">--</span></div>
|
|
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span> <span class="stringliteral">-- For _in_ledger_index_min and _in_ledger_index_max, if passed in the</span></div>
|
|
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span> <span class="stringliteral">-- request, verify that their type is int and pass through as is.</span></div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span> <span class="stringliteral">-- For _ledger_hash, verify and convert from hex length 32 bytes and</span></div>
|
|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span> <span class="stringliteral">-- prepend with \x (\\x C++).</span></div>
|
|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span> <span class="stringliteral">--</span></div>
|
|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span> <span class="stringliteral">-- For _in_ledger_index, if the input type is integer, then pass through</span></div>
|
|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span> <span class="stringliteral">-- as is. If the type is string and contents = validated, then do not</span></div>
|
|
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span> <span class="stringliteral">-- set _in_ledger_index. Instead set _in_invalidated to TRUE.</span></div>
|
|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span> <span class="stringliteral">--</span></div>
|
|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span> <span class="stringliteral">-- There is no need for rippled to do any type of lookup on max/min</span></div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span> <span class="stringliteral">-- ledger range, lookup of hash, or the like. This functions does those</span></div>
|
|
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span> <span class="stringliteral">-- things, including error responses if bad input. Only the above must</span></div>
|
|
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span> <span class="stringliteral">-- be done to set the correct search range.</span></div>
|
|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span> <span class="stringliteral">--</span></div>
|
|
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span> <span class="stringliteral">-- If a marker is present in the request, verify the members 'ledger'</span></div>
|
|
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span> <span class="stringliteral">-- and 'seq' are integers and they correspond to _in_marker_seq</span></div>
|
|
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span> <span class="stringliteral">-- _in_marker_index.</span></div>
|
|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span> <span class="stringliteral">-- To reiterate:</span></div>
|
|
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span> <span class="stringliteral">-- JSON input field 'ledger' corresponds to _in_marker_seq</span></div>
|
|
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span> <span class="stringliteral">-- JSON input field 'seq' corresponds to _in_marker_index</span></div>
|
|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span> <span class="stringliteral">CREATE OR REPLACE FUNCTION account_tx (</span></div>
|
|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span> <span class="stringliteral"> _in_account_id bytea,</span></div>
|
|
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span> <span class="stringliteral"> _in_forward bool,</span></div>
|
|
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span> <span class="stringliteral"> _in_limit bigint,</span></div>
|
|
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span> <span class="stringliteral"> _in_ledger_index_min bigint = NULL,</span></div>
|
|
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span> <span class="stringliteral"> _in_ledger_index_max bigint = NULL,</span></div>
|
|
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span> <span class="stringliteral"> _in_ledger_hash bytea = NULL,</span></div>
|
|
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span> <span class="stringliteral"> _in_ledger_index bigint = NULL,</span></div>
|
|
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span> <span class="stringliteral"> _in_validated bool = NULL,</span></div>
|
|
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span> <span class="stringliteral"> _in_marker_seq bigint = NULL,</span></div>
|
|
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span> <span class="stringliteral"> _in_marker_index bigint = NULL</span></div>
|
|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span> <span class="stringliteral">) RETURNS jsonb AS $$</span></div>
|
|
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span> <span class="stringliteral">DECLARE</span></div>
|
|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span> <span class="stringliteral"> _min bigint;</span></div>
|
|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span> <span class="stringliteral"> _max bigint;</span></div>
|
|
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span> <span class="stringliteral"> _sort_order text := (SELECT CASE WHEN _in_forward IS TRUE THEN</span></div>
|
|
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span> <span class="stringliteral"> 'ASC' ELSE 'DESC' END);</span></div>
|
|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span> <span class="stringliteral"> _marker bool;</span></div>
|
|
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span> <span class="stringliteral"> _between_min bigint;</span></div>
|
|
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span> <span class="stringliteral"> _between_max bigint;</span></div>
|
|
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span> <span class="stringliteral"> _sql text;</span></div>
|
|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span> <span class="stringliteral"> _cursor refcursor;</span></div>
|
|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span> <span class="stringliteral"> _result jsonb;</span></div>
|
|
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span> <span class="stringliteral"> _record record;</span></div>
|
|
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span> <span class="stringliteral"> _tally bigint := 0;</span></div>
|
|
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span> <span class="stringliteral"> _ret_marker jsonb;</span></div>
|
|
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span> <span class="stringliteral"> _transactions jsonb[] := '{}';</span></div>
|
|
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span> <span class="stringliteral"> IF _in_ledger_index_min IS NOT NULL OR</span></div>
|
|
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span> <span class="stringliteral"> _in_ledger_index_max IS NOT NULL THEN</span></div>
|
|
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span> <span class="stringliteral"> _min := (SELECT CASE WHEN _in_ledger_index_min IS NULL</span></div>
|
|
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span> <span class="stringliteral"> THEN min_ledger() ELSE greatest(</span></div>
|
|
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span> <span class="stringliteral"> _in_ledger_index_min, min_ledger()) END);</span></div>
|
|
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span> <span class="stringliteral"> _max := (SELECT CASE WHEN _in_ledger_index_max IS NULL OR</span></div>
|
|
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span> <span class="stringliteral"> _in_ledger_index_max = -1 THEN max_ledger() ELSE</span></div>
|
|
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span> <span class="stringliteral"> least(_in_ledger_index_max, max_ledger()) END);</span></div>
|
|
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span> <span class="stringliteral"> IF _max < _min THEN</span></div>
|
|
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span> <span class="stringliteral"> RETURN jsonb_build_object('error', 'max is less than min ledger');</span></div>
|
|
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span> <span class="stringliteral"> ELSIF _in_ledger_hash IS NOT NULL OR _in_ledger_index IS NOT NULL</span></div>
|
|
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span> <span class="stringliteral"> OR _in_validated IS TRUE THEN</span></div>
|
|
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span> <span class="stringliteral"> IF _in_ledger_hash IS NOT NULL THEN</span></div>
|
|
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span> <span class="stringliteral"> IF length(_in_ledger_hash) != 32 THEN</span></div>
|
|
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span> <span class="stringliteral"> RETURN jsonb_build_object('error', '_in_ledger_hash size: '</span></div>
|
|
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span> <span class="stringliteral"> || to_char(length(_in_ledger_hash), '999'));</span></div>
|
|
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span> <span class="stringliteral"> EXECUTE 'SELECT ledger_seq</span></div>
|
|
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span> <span class="stringliteral"> FROM ledgers</span></div>
|
|
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> <span class="stringliteral"> WHERE ledger_hash = $1'</span></div>
|
|
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span> <span class="stringliteral"> INTO _min USING _in_ledger_hash::bytea;</span></div>
|
|
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span> <span class="stringliteral"> ELSE</span></div>
|
|
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span> <span class="stringliteral"> IF _in_ledger_index IS NOT NULL AND _in_validated IS TRUE THEN</span></div>
|
|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span> <span class="stringliteral"> RETURN jsonb_build_object('error',</span></div>
|
|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span> <span class="stringliteral"> '_in_ledger_index cannot be set and _in_validated true');</span></div>
|
|
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span> <span class="stringliteral"> IF _in_validated IS TRUE THEN</span></div>
|
|
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span> <span class="stringliteral"> _in_ledger_index := max_ledger();</span></div>
|
|
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span> <span class="stringliteral"> _min := (SELECT ledger_seq</span></div>
|
|
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span> <span class="stringliteral"> FROM ledgers</span></div>
|
|
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span> <span class="stringliteral"> WHERE ledger_seq = _in_ledger_index);</span></div>
|
|
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span> <span class="stringliteral"> IF _min IS NULL THEN</span></div>
|
|
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span> <span class="stringliteral"> RETURN jsonb_build_object('error', 'ledger not found');</span></div>
|
|
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span> <span class="stringliteral"> _max := _min;</span></div>
|
|
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span> <span class="stringliteral"> ELSE</span></div>
|
|
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span> <span class="stringliteral"> _min := min_ledger();</span></div>
|
|
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span> <span class="stringliteral"> _max := max_ledger();</span></div>
|
|
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> <span class="stringliteral"> IF _in_marker_seq IS NOT NULL OR _in_marker_index IS NOT NULL THEN</span></div>
|
|
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span> <span class="stringliteral"> _marker := TRUE;</span></div>
|
|
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span> <span class="stringliteral"> IF _in_marker_seq IS NULL OR _in_marker_index IS NULL THEN</span></div>
|
|
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span> <span class="stringliteral"> -- The rippled implementation returns no transaction results</span></div>
|
|
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span> <span class="stringliteral"> -- if either of these values are missing.</span></div>
|
|
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span> <span class="stringliteral"> _between_min := 0;</span></div>
|
|
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span> <span class="stringliteral"> _between_max := 0;</span></div>
|
|
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span> <span class="stringliteral"> ELSE</span></div>
|
|
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span> <span class="stringliteral"> IF _in_forward IS TRUE THEN</span></div>
|
|
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span> <span class="stringliteral"> _between_min := _in_marker_seq;</span></div>
|
|
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span> <span class="stringliteral"> _between_max := _max;</span></div>
|
|
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span> <span class="stringliteral"> ELSE</span></div>
|
|
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span> <span class="stringliteral"> _between_min := _min;</span></div>
|
|
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span> <span class="stringliteral"> _between_max := _in_marker_seq;</span></div>
|
|
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span> <span class="stringliteral"> ELSE</span></div>
|
|
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span> <span class="stringliteral"> _marker := FALSE;</span></div>
|
|
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> <span class="stringliteral"> _between_min := _min;</span></div>
|
|
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span> <span class="stringliteral"> _between_max := _max;</span></div>
|
|
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> <span class="stringliteral"> IF _between_max < _between_min THEN</span></div>
|
|
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span> <span class="stringliteral"> RETURN jsonb_build_object('error', 'ledger search range is '</span></div>
|
|
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span> <span class="stringliteral"> || to_char(_between_min, '999') || '-'</span></div>
|
|
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span> <span class="stringliteral"> || to_char(_between_max, '999'));</span></div>
|
|
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span> <span class="stringliteral"> _sql := format('</span></div>
|
|
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span> <span class="stringliteral"> SELECT transactions.ledger_seq, transactions.transaction_index,</span></div>
|
|
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span> <span class="stringliteral"> transactions.trans_id, transactions.nodestore_hash</span></div>
|
|
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span> <span class="stringliteral"> FROM transactions</span></div>
|
|
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span> <span class="stringliteral"> INNER JOIN account_transactions</span></div>
|
|
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span> <span class="stringliteral"> ON transactions.ledger_seq =</span></div>
|
|
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span> <span class="stringliteral"> account_transactions.ledger_seq</span></div>
|
|
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span> <span class="stringliteral"> AND transactions.transaction_index =</span></div>
|
|
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span> <span class="stringliteral"> account_transactions.transaction_index</span></div>
|
|
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span> <span class="stringliteral"> WHERE account_transactions.account = $1</span></div>
|
|
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span> <span class="stringliteral"> AND account_transactions.ledger_seq BETWEEN $2 AND $3</span></div>
|
|
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span> <span class="stringliteral"> ORDER BY transactions.ledger_seq %s, transactions.transaction_index %s</span></div>
|
|
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span> <span class="stringliteral"> ', _sort_order, _sort_order);</span></div>
|
|
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span> <span class="stringliteral"> OPEN _cursor FOR EXECUTE _sql USING _in_account_id, _between_min,</span></div>
|
|
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span> <span class="stringliteral"> _between_max;</span></div>
|
|
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span> <span class="stringliteral"> LOOP</span></div>
|
|
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span> <span class="stringliteral"> FETCH _cursor INTO _record;</span></div>
|
|
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span> <span class="stringliteral"> IF _record IS NULL THEN EXIT; END IF;</span></div>
|
|
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span> <span class="stringliteral"> IF _marker IS TRUE THEN</span></div>
|
|
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span> <span class="stringliteral"> IF _in_marker_seq = _record.ledger_seq THEN</span></div>
|
|
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span> <span class="stringliteral"> IF _in_forward IS TRUE THEN</span></div>
|
|
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span> <span class="stringliteral"> IF _in_marker_index > _record.transaction_index THEN</span></div>
|
|
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span> <span class="stringliteral"> CONTINUE;</span></div>
|
|
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span> <span class="stringliteral"> ELSE</span></div>
|
|
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span> <span class="stringliteral"> IF _in_marker_index < _record.transaction_index THEN</span></div>
|
|
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span> <span class="stringliteral"> CONTINUE;</span></div>
|
|
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span> <span class="stringliteral"> _marker := FALSE;</span></div>
|
|
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span> <span class="stringliteral"> _tally := _tally + 1;</span></div>
|
|
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span> <span class="stringliteral"> IF _tally > _in_limit THEN</span></div>
|
|
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span> <span class="stringliteral"> _ret_marker := jsonb_build_object(</span></div>
|
|
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span> <span class="stringliteral"> 'ledger', _record.ledger_seq,</span></div>
|
|
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span> <span class="stringliteral"> 'seq', _record.transaction_index);</span></div>
|
|
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span> <span class="stringliteral"> EXIT;</span></div>
|
|
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span> <span class="stringliteral"> -- Is the transaction index in the tx object?</span></div>
|
|
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span> <span class="stringliteral"> _transactions := _transactions || jsonb_build_object(</span></div>
|
|
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span> <span class="stringliteral"> 'ledger_seq', _record.ledger_seq,</span></div>
|
|
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span> <span class="stringliteral"> 'transaction_index', _record.transaction_index,</span></div>
|
|
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span> <span class="stringliteral"> 'trans_id', _record.trans_id,</span></div>
|
|
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span> <span class="stringliteral"> 'nodestore_hash', _record.nodestore_hash);</span></div>
|
|
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span> <span class="stringliteral"> END LOOP;</span></div>
|
|
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span> <span class="stringliteral"> CLOSE _cursor;</span></div>
|
|
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span> <span class="stringliteral"> _result := jsonb_build_object('ledger_index_min', _min,</span></div>
|
|
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span> <span class="stringliteral"> 'ledger_index_max', _max,</span></div>
|
|
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span> <span class="stringliteral"> 'transactions', _transactions);</span></div>
|
|
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span> <span class="stringliteral"> IF _ret_marker IS NOT NULL THEN</span></div>
|
|
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span> <span class="stringliteral"> _result := _result || jsonb_build_object('marker', _ret_marker);</span></div>
|
|
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span> <span class="stringliteral"> RETURN _result;</span></div>
|
|
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span> <span class="stringliteral">END;</span></div>
|
|
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span> <span class="stringliteral">$$ LANGUAGE plpgsql;</span></div>
|
|
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span> <span class="stringliteral">-- Trigger prior to insert on ledgers table. Validates length of hash fields.</span></div>
|
|
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span> <span class="stringliteral">-- Verifies ancestry based on ledger_hash & prev_hash as follows:</span></div>
|
|
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span> <span class="stringliteral">-- 1) If ledgers is empty, allows insert.</span></div>
|
|
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span> <span class="stringliteral">-- 2) For each new row, check for previous and later ledgers by a single</span></div>
|
|
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span> <span class="stringliteral">-- sequence. For each that exist, confirm ancestry based on hashes.</span></div>
|
|
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span> <span class="stringliteral">-- 3) Disallow inserts with no prior or next ledger by sequence if any</span></div>
|
|
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span> <span class="stringliteral">-- ledgers currently exist. This disallows gaps to be introduced by</span></div>
|
|
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span> <span class="stringliteral">-- way of inserting.</span></div>
|
|
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span> <span class="stringliteral">CREATE OR REPLACE FUNCTION insert_ancestry() RETURNS TRIGGER AS $$</span></div>
|
|
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span> <span class="stringliteral">DECLARE</span></div>
|
|
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span> <span class="stringliteral"> _parent bytea;</span></div>
|
|
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span> <span class="stringliteral"> _child bytea;</span></div>
|
|
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span> <span class="stringliteral"> IF length(NEW.ledger_hash) != 32 OR length(NEW.prev_hash) != 32 THEN</span></div>
|
|
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span> <span class="stringliteral"> RAISE 'ledger_hash and prev_hash must each be 32 bytes: %', NEW;</span></div>
|
|
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span> <span class="stringliteral"> IF (SELECT ledger_hash</span></div>
|
|
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span> <span class="stringliteral"> FROM ledgers</span></div>
|
|
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span> <span class="stringliteral"> ORDER BY ledger_seq DESC</span></div>
|
|
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span> <span class="stringliteral"> LIMIT 1) = NEW.prev_hash THEN RETURN NEW; END IF;</span></div>
|
|
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span> <span class="stringliteral"> IF NOT EXISTS (SELECT 1 FROM LEDGERS) THEN RETURN NEW; END IF;</span></div>
|
|
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span> <span class="stringliteral"> _parent := (SELECT ledger_hash</span></div>
|
|
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span> <span class="stringliteral"> FROM ledgers</span></div>
|
|
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span> <span class="stringliteral"> WHERE ledger_seq = NEW.ledger_seq - 1);</span></div>
|
|
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span> <span class="stringliteral"> _child := (SELECT prev_hash</span></div>
|
|
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span> <span class="stringliteral"> FROM ledgers</span></div>
|
|
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span> <span class="stringliteral"> WHERE ledger_seq = NEW.ledger_seq + 1);</span></div>
|
|
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span> <span class="stringliteral"> IF _parent IS NULL AND _child IS NULL THEN</span></div>
|
|
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span> <span class="stringliteral"> RAISE 'Ledger Ancestry error: orphan.';</span></div>
|
|
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span> <span class="stringliteral"> IF _parent != NEW.prev_hash THEN</span></div>
|
|
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span> <span class="stringliteral"> RAISE 'Ledger Ancestry error: bad parent.';</span></div>
|
|
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span> <span class="stringliteral"> IF _child != NEW.ledger_hash THEN</span></div>
|
|
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span> <span class="stringliteral"> RAISE 'Ledger Ancestry error: bad child.';</span></div>
|
|
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span> <span class="stringliteral"> RETURN NEW;</span></div>
|
|
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span> <span class="stringliteral">END;</span></div>
|
|
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span> <span class="stringliteral">$$ LANGUAGE plpgsql;</span></div>
|
|
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span> <span class="stringliteral">-- Trigger function prior to delete on ledgers table. Disallow gaps from</span></div>
|
|
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span> <span class="stringliteral">-- forming. Do not allow deletions if both the previous and next ledgers</span></div>
|
|
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span> <span class="stringliteral">-- are present. In other words, only allow either the least or greatest</span></div>
|
|
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span> <span class="stringliteral">-- to be deleted.</span></div>
|
|
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span> <span class="stringliteral">CREATE OR REPLACE FUNCTION delete_ancestry () RETURNS TRIGGER AS $$</span></div>
|
|
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span> <span class="stringliteral"> IF EXISTS (SELECT 1</span></div>
|
|
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span> <span class="stringliteral"> FROM ledgers</span></div>
|
|
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span> <span class="stringliteral"> WHERE ledger_seq = OLD.ledger_seq + 1)</span></div>
|
|
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span> <span class="stringliteral"> AND EXISTS (SELECT 1</span></div>
|
|
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span> <span class="stringliteral"> FROM ledgers</span></div>
|
|
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span> <span class="stringliteral"> WHERE ledger_seq = OLD.ledger_seq - 1) THEN</span></div>
|
|
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span> <span class="stringliteral"> RAISE 'Ledger Ancestry error: Can only delete the least or greatest '</span></div>
|
|
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span> <span class="stringliteral"> 'ledger.';</span></div>
|
|
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span> <span class="stringliteral"> RETURN OLD;</span></div>
|
|
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span> <span class="stringliteral">END;</span></div>
|
|
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span> <span class="stringliteral">$$ LANGUAGE plpgsql;</span></div>
|
|
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span> <span class="stringliteral">-- Track the minimum sequence that should be used for ranged queries</span></div>
|
|
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span> <span class="stringliteral">-- with protection against deletion during the query. This should</span></div>
|
|
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span> <span class="stringliteral">-- be updated before calling online_delete() to not block deleting that</span></div>
|
|
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span> <span class="stringliteral">-- range.</span></div>
|
|
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span> <span class="stringliteral">CREATE TABLE IF NOT EXISTS min_seq (</span></div>
|
|
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span> <span class="stringliteral"> ledger_seq bigint NOT NULL</span></div>
|
|
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span> <span class="stringliteral">);</span></div>
|
|
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span> <span class="stringliteral">-- Set the minimum sequence for use in ranged queries with protection</span></div>
|
|
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span> <span class="stringliteral">-- against deletion greater than or equal to the input parameter. This</span></div>
|
|
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span> <span class="stringliteral">-- should be called prior to online_delete() with the same parameter</span></div>
|
|
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span> <span class="stringliteral">-- value so that online_delete() is not blocked by range queries</span></div>
|
|
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span> <span class="stringliteral">-- that are protected against concurrent deletion of the ledger at</span></div>
|
|
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span> <span class="stringliteral">-- the bottom of the range. This function needs to be called from a</span></div>
|
|
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span> <span class="stringliteral">-- separate transaction from that which executes online_delete().</span></div>
|
|
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span> <span class="stringliteral">CREATE OR REPLACE FUNCTION prepare_delete (</span></div>
|
|
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span> <span class="stringliteral"> _in_last_rotated bigint</span></div>
|
|
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span> <span class="stringliteral">) RETURNS void AS $$</span></div>
|
|
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span> <span class="stringliteral"> IF EXISTS (SELECT 1 FROM min_seq) THEN</span></div>
|
|
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span> <span class="stringliteral"> DELETE FROM min_seq;</span></div>
|
|
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span> <span class="stringliteral"> INSERT INTO min_seq VALUES (_in_last_rotated + 1);</span></div>
|
|
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span> <span class="stringliteral">END;</span></div>
|
|
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span> <span class="stringliteral">$$ LANGUAGE plpgsql;</span></div>
|
|
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span> <span class="stringliteral">-- Function to delete old data. All data belonging to ledgers prior to and</span></div>
|
|
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span> <span class="stringliteral">-- equal to the _in_seq parameter will be deleted. This should be</span></div>
|
|
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span> <span class="stringliteral">-- called with the input parameter equivalent to the value of lastRotated</span></div>
|
|
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span> <span class="stringliteral">-- in rippled's online_delete routine.</span></div>
|
|
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span> <span class="stringliteral">CREATE OR REPLACE FUNCTION online_delete (</span></div>
|
|
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span> <span class="stringliteral"> _in_seq bigint</span></div>
|
|
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span> <span class="stringliteral">) RETURNS void AS $$</span></div>
|
|
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span> <span class="stringliteral"> DELETE FROM LEDGERS WHERE ledger_seq <= _in_seq;</span></div>
|
|
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span> <span class="stringliteral">END;</span></div>
|
|
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span> <span class="stringliteral">$$ LANGUAGE plpgsql;</span></div>
|
|
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span> <span class="stringliteral">-- Function to delete data from the top of the ledger range. Delete</span></div>
|
|
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span> <span class="stringliteral">-- everything greater than the input parameter.</span></div>
|
|
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span> <span class="stringliteral">-- It doesn't do a normal range delete because of the trigger protecting</span></div>
|
|
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span> <span class="stringliteral">-- deletions causing gaps. Instead, it walks back from the greatest ledger.</span></div>
|
|
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span> <span class="stringliteral">CREATE OR REPLACE FUNCTION delete_above (</span></div>
|
|
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span> <span class="stringliteral"> _in_seq bigint</span></div>
|
|
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span> <span class="stringliteral">) RETURNS void AS $$</span></div>
|
|
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span> <span class="stringliteral">DECLARE</span></div>
|
|
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span> <span class="stringliteral"> _max_seq bigint := max_ledger();</span></div>
|
|
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span> <span class="stringliteral"> _i bigint := _max_seq;</span></div>
|
|
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span> <span class="stringliteral"> IF _max_seq IS NULL THEN RETURN; END IF;</span></div>
|
|
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span> <span class="stringliteral"> LOOP</span></div>
|
|
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span> <span class="stringliteral"> IF _i <= _in_seq THEN RETURN; END IF;</span></div>
|
|
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span> <span class="stringliteral"> EXECUTE 'DELETE FROM ledgers WHERE ledger_seq = $1' USING _i;</span></div>
|
|
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span> <span class="stringliteral"> _i := _i - 1;</span></div>
|
|
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span> <span class="stringliteral"> END LOOP;</span></div>
|
|
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span> <span class="stringliteral">END;</span></div>
|
|
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span> <span class="stringliteral">$$ LANGUAGE plpgsql;</span></div>
|
|
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span> <span class="stringliteral">-- Verify correct ancestry of ledgers in database:</span></div>
|
|
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span> <span class="stringliteral">-- Table to persist last-confirmed latest ledger with proper ancestry.</span></div>
|
|
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span> <span class="stringliteral">CREATE TABLE IF NOT EXISTS ancestry_verified (</span></div>
|
|
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span> <span class="stringliteral"> ledger_seq bigint NOT NULL</span></div>
|
|
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span> <span class="stringliteral">);</span></div>
|
|
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span> <span class="stringliteral">-- Function to verify ancestry of ledgers based on ledger_hash and prev_hash.</span></div>
|
|
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span> <span class="stringliteral">-- Upon failure, returns ledger sequence failing ancestry check.</span></div>
|
|
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span> <span class="stringliteral">-- Otherwise, returns NULL.</span></div>
|
|
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span> <span class="stringliteral">-- _in_full: If TRUE, verify entire table. Else verify starting from</span></div>
|
|
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span> <span class="stringliteral">-- value in ancestry_verfied table. If no value, then start</span></div>
|
|
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span> <span class="stringliteral">-- from lowest ledger.</span></div>
|
|
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span> <span class="stringliteral">-- _in_persist: If TRUE, persist the latest ledger with correct ancestry.</span></div>
|
|
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span> <span class="stringliteral">-- If an exception was raised because of failure, persist</span></div>
|
|
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span> <span class="stringliteral">-- the latest ledger prior to that which failed.</span></div>
|
|
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span> <span class="stringliteral">-- _in_min: If set and _in_full is not true, the starting ledger from which</span></div>
|
|
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span> <span class="stringliteral">-- to verify.</span></div>
|
|
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span> <span class="stringliteral">-- _in_max: If set and _in_full is not true, the latest ledger to verify.</span></div>
|
|
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span> <span class="stringliteral">CREATE OR REPLACE FUNCTION check_ancestry (</span></div>
|
|
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span> <span class="stringliteral"> _in_full bool = FALSE,</span></div>
|
|
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span> <span class="stringliteral"> _in_persist bool = TRUE,</span></div>
|
|
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span> <span class="stringliteral"> _in_min bigint = NULL,</span></div>
|
|
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span> <span class="stringliteral"> _in_max bigint = NULL</span></div>
|
|
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span> <span class="stringliteral">) RETURNS bigint AS $$</span></div>
|
|
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span> <span class="stringliteral">DECLARE</span></div>
|
|
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span> <span class="stringliteral"> _min bigint;</span></div>
|
|
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span> <span class="stringliteral"> _max bigint;</span></div>
|
|
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span> <span class="stringliteral"> _last_verified bigint;</span></div>
|
|
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span> <span class="stringliteral"> _parent ledgers;</span></div>
|
|
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span> <span class="stringliteral"> _current ledgers;</span></div>
|
|
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span> <span class="stringliteral"> _cursor refcursor;</span></div>
|
|
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span> <span class="stringliteral"> IF _in_full IS TRUE AND</span></div>
|
|
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span> <span class="stringliteral"> (_in_min IS NOT NULL) OR (_in_max IS NOT NULL) THEN</span></div>
|
|
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span> <span class="stringliteral"> RAISE 'Cannot specify manual range and do full check.';</span></div>
|
|
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span> <span class="stringliteral"> IF _in_min IS NOT NULL THEN</span></div>
|
|
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span> <span class="stringliteral"> _min := _in_min;</span></div>
|
|
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span> <span class="stringliteral"> ELSIF _in_full IS NOT TRUE THEN</span></div>
|
|
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span> <span class="stringliteral"> _last_verified := (SELECT ledger_seq FROM ancestry_verified);</span></div>
|
|
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span> <span class="stringliteral"> IF _last_verified IS NULL THEN</span></div>
|
|
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span> <span class="stringliteral"> _min := min_ledger();</span></div>
|
|
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span> <span class="stringliteral"> ELSE</span></div>
|
|
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span> <span class="stringliteral"> _min := _last_verified + 1;</span></div>
|
|
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span> <span class="stringliteral"> ELSE</span></div>
|
|
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span> <span class="stringliteral"> _min := min_ledger();</span></div>
|
|
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span> <span class="stringliteral"> EXECUTE 'SELECT * FROM ledgers WHERE ledger_seq = $1'</span></div>
|
|
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span> <span class="stringliteral"> INTO _parent USING _min - 1;</span></div>
|
|
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span> <span class="stringliteral"> IF _last_verified IS NOT NULL AND _parent IS NULL THEN</span></div>
|
|
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span> <span class="stringliteral"> RAISE 'Verified ledger % doesn''t exist.', _last_verified;</span></div>
|
|
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span> <span class="stringliteral"> IF _in_max IS NOT NULL THEN</span></div>
|
|
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span> <span class="stringliteral"> _max := _in_max;</span></div>
|
|
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span> <span class="stringliteral"> ELSE</span></div>
|
|
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span> <span class="stringliteral"> _max := max_ledger();</span></div>
|
|
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span> <span class="stringliteral"> OPEN _cursor FOR EXECUTE 'SELECT *</span></div>
|
|
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span> <span class="stringliteral"> FROM ledgers</span></div>
|
|
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span> <span class="stringliteral"> WHERE ledger_seq BETWEEN $1 AND $2</span></div>
|
|
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span> <span class="stringliteral"> ORDER BY ledger_seq ASC'</span></div>
|
|
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span> <span class="stringliteral"> USING _min, _max;</span></div>
|
|
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span> <span class="stringliteral"> LOOP</span></div>
|
|
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span> <span class="stringliteral"> FETCH _cursor INTO _current;</span></div>
|
|
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span> <span class="stringliteral"> IF _current IS NULL THEN EXIT; END IF;</span></div>
|
|
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span> <span class="stringliteral"> IF _parent IS NOT NULL THEN</span></div>
|
|
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span> <span class="stringliteral"> IF _current.prev_hash != _parent.ledger_hash THEN</span></div>
|
|
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span> <span class="stringliteral"> CLOSE _cursor;</span></div>
|
|
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span> <span class="stringliteral"> RETURN _current.ledger_seq;</span></div>
|
|
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span> <span class="stringliteral"> RAISE 'Ledger ancestry failure current, parent:% %',</span></div>
|
|
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span> <span class="stringliteral"> _current, _parent;</span></div>
|
|
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span> <span class="stringliteral"> _parent := _current;</span></div>
|
|
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span> <span class="stringliteral"> END LOOP;</span></div>
|
|
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span> <span class="stringliteral"> CLOSE _cursor;</span></div>
|
|
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span> <span class="stringliteral"> IF _in_persist IS TRUE AND _parent IS NOT NULL THEN</span></div>
|
|
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span> <span class="stringliteral"> DELETE FROM ancestry_verified;</span></div>
|
|
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span> <span class="stringliteral"> INSERT INTO ancestry_verified VALUES (_parent.ledger_seq);</span></div>
|
|
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span> <span class="stringliteral"> END IF;</span></div>
|
|
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span> <span class="stringliteral"> RETURN NULL;</span></div>
|
|
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span> <span class="stringliteral">END;</span></div>
|
|
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span> <span class="stringliteral">$$ LANGUAGE plpgsql;</span></div>
|
|
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span> <span class="stringliteral">-- Return number of whole seconds since the latest ledger was inserted, based</span></div>
|
|
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span> <span class="stringliteral">-- on ledger close time (not wall clock) of the insert.</span></div>
|
|
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span> <span class="stringliteral">-- Note that ledgers.closing_time is number of seconds since the XRP</span></div>
|
|
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span> <span class="stringliteral">-- epoch, which is 01/01/2000 00:00:00. This in turn is 946684800 seconds</span></div>
|
|
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span> <span class="stringliteral">-- after the UNIX epoch. This conforms to the "age" field in the</span></div>
|
|
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span> <span class="stringliteral">-- server_info RPC call.</span></div>
|
|
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span> <span class="stringliteral">CREATE OR REPLACE FUNCTION age () RETURNS bigint AS $$</span></div>
|
|
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span> <span class="stringliteral"> RETURN (EXTRACT(EPOCH FROM (now())) -</span></div>
|
|
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span> <span class="stringliteral"> (946684800 + (SELECT closing_time</span></div>
|
|
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span> <span class="stringliteral"> FROM ledgers</span></div>
|
|
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span> <span class="stringliteral"> ORDER BY ledger_seq DESC</span></div>
|
|
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span> <span class="stringliteral"> LIMIT 1)))::bigint;</span></div>
|
|
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span> <span class="stringliteral">END;</span></div>
|
|
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span> <span class="stringliteral">$$ LANGUAGE plpgsql;</span></div>
|
|
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span> <span class="stringliteral">-- Return range of ledgers, or empty if none. This conforms to the</span></div>
|
|
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span> <span class="stringliteral">-- "complete_ledgers" field of the server_info RPC call. Note</span></div>
|
|
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span> <span class="stringliteral">-- that ledger gaps are prevented for reporting mode so the range</span></div>
|
|
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span> <span class="stringliteral">-- is simply the set between the least and greatest ledgers.</span></div>
|
|
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span> <span class="stringliteral">CREATE OR REPLACE FUNCTION complete_ledgers () RETURNS text AS $$</span></div>
|
|
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span> <span class="stringliteral">DECLARE</span></div>
|
|
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span> <span class="stringliteral"> _min bigint := min_ledger();</span></div>
|
|
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span> <span class="stringliteral"> _max bigint := max_ledger();</span></div>
|
|
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span> <span class="stringliteral">BEGIN</span></div>
|
|
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span> <span class="stringliteral"> IF _min IS NULL THEN RETURN 'empty'; END IF;</span></div>
|
|
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span> <span class="stringliteral"> IF _min = _max THEN RETURN _min; END IF;</span></div>
|
|
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span> <span class="stringliteral"> RETURN _min || '-' || _max;</span></div>
|
|
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span> <span class="stringliteral">END;</span></div>
|
|
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span> <span class="stringliteral">$$ LANGUAGE plpgsql;</span></div>
|
|
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span> <span class="stringliteral">)"</span></div>
|
|
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span> <span class="stringliteral"></span> </div>
|
|
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span> <span class="stringliteral"> </span><span class="comment">// version 2:</span></div>
|
|
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>  <span class="comment">// , R"(Full idempotent text of schema version 2)"</span></div>
|
|
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  </div>
|
|
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>  <span class="comment">// version 3:</span></div>
|
|
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>  <span class="comment">// , R"(Full idempotent text of schema version 3)"</span></div>
|
|
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>  </div>
|
|
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>  <span class="comment">// version 4:</span></div>
|
|
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>  <span class="comment">// , R"(Full idempotent text of schema version 4)"</span></div>
|
|
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  </div>
|
|
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>  <span class="comment">// ...</span></div>
|
|
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>  </div>
|
|
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>  <span class="comment">// version n:</span></div>
|
|
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>  <span class="comment">// , R"(Full idempotent text of schema version n)"</span></div>
|
|
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span> };</div>
|
|
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>  </div>
|
|
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<char const*, LATEST_SCHEMA_VERSION></a> upgrade_schemata = {</div>
|
|
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>  <span class="comment">// upgrade from version 0:</span></div>
|
|
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  <span class="stringliteral">"There is no upgrade path from version 0. Instead, install "</span></div>
|
|
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>  <span class="stringliteral">"from full_schemata."</span></div>
|
|
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>  <span class="comment">// upgrade from version 1 to 2:</span></div>
|
|
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>  <span class="comment">//, R"(Text to idempotently upgrade from version 1 to 2)"</span></div>
|
|
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>  <span class="comment">// upgrade from version 2 to 3:</span></div>
|
|
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>  <span class="comment">//, R"(Text to idempotently upgrade from version 2 to 3)"</span></div>
|
|
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>  <span class="comment">// upgrade from version 3 to 4:</span></div>
|
|
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>  <span class="comment">//, R"(Text to idempotently upgrade from version 3 to 4)"</span></div>
|
|
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>  <span class="comment">// ...</span></div>
|
|
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  <span class="comment">// upgrade from version n-1 to n:</span></div>
|
|
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  <span class="comment">//, R"(Text to idempotently upgrade from version n-1 to n)"</span></div>
|
|
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span> };</div>
|
|
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>  </div>
|
|
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span> <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span> applySchema(</div>
|
|
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<PgPool></a> <span class="keyword">const</span>& pool,</div>
|
|
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>  <span class="keywordtype">char</span> <span class="keyword">const</span>* schema,</div>
|
|
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> currentVersion,</div>
|
|
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> schemaVersion)</div>
|
|
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span> {</div>
|
|
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>  <span class="keywordflow">if</span> (currentVersion != 0 && schemaVersion != currentVersion + 1)</div>
|
|
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  {</div>
|
|
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>  assert(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>  ss << <span class="stringliteral">"Schema upgrade versions past initial deployment must increase "</span></div>
|
|
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  <span class="stringliteral">"monotonically. Versions: current, target: "</span></div>
|
|
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>  << currentVersion << <span class="stringliteral">", "</span> << schemaVersion;</div>
|
|
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  Throw<std::runtime_error>(ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>());</div>
|
|
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  }</div>
|
|
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>  </div>
|
|
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>  <span class="keyword">auto</span> res = PgQuery(pool)({schema, {}});</div>
|
|
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  <span class="keywordflow">if</span> (!res)</div>
|
|
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  {</div>
|
|
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>  ss << <span class="stringliteral">"Error applying schema from version "</span> << currentVersion << <span class="stringliteral">"to "</span></div>
|
|
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>  << schemaVersion << <span class="stringliteral">": "</span> << res.msg();</div>
|
|
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  Throw<std::runtime_error>(ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>());</div>
|
|
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>  }</div>
|
|
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  </div>
|
|
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  <span class="keyword">auto</span> cmd = boost::format(R<span class="stringliteral">"(SELECT set_schema_version(%u, 0))");</span></div>
|
|
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span> <span class="stringliteral"> res = PgQuery(pool)({boost::str(cmd % schemaVersion).c_str(), {}});</span></div>
|
|
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span> <span class="stringliteral"> </span><span class="keywordflow">if</span> (!res)</div>
|
|
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  {</div>
|
|
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  ss << <span class="stringliteral">"Error setting schema version from "</span> << currentVersion << <span class="stringliteral">" to "</span></div>
|
|
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>  << schemaVersion << <span class="stringliteral">": "</span> << res.msg();</div>
|
|
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  Throw<std::runtime_error>(ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>());</div>
|
|
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  }</div>
|
|
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span> }</div>
|
|
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  </div>
|
|
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span> <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span> initSchema(<a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<PgPool></a> <span class="keyword">const</span>& pool)</div>
|
|
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span> {</div>
|
|
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>  <span class="comment">// Figure out what schema version, if any, is already installed.</span></div>
|
|
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>  <span class="keyword">auto</span> res = PgQuery(pool)({version_query, {}});</div>
|
|
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>  <span class="keywordflow">if</span> (!res)</div>
|
|
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>  {</div>
|
|
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
|
|
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>  ss << <span class="stringliteral">"Error getting database schema version: "</span> << res.msg();</div>
|
|
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>  Throw<std::runtime_error>(ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>());</div>
|
|
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>  }</div>
|
|
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> currentSchemaVersion = res.asInt();</div>
|
|
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> pendingSchemaVersion = res.asInt(0, 1);</div>
|
|
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>  </div>
|
|
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>  <span class="comment">// Nothing to do if we are on the latest schema;</span></div>
|
|
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>  <span class="keywordflow">if</span> (currentSchemaVersion == LATEST_SCHEMA_VERSION)</div>
|
|
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>  </div>
|
|
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>  <span class="keywordflow">if</span> (currentSchemaVersion == 0)</div>
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<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>  {</div>
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<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>  <span class="comment">// If a fresh install has not been completed, then re-attempt</span></div>
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<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>  <span class="comment">// the install of the same schema version.</span></div>
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<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> freshVersion =</div>
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<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>  pendingSchemaVersion ? pendingSchemaVersion : LATEST_SCHEMA_VERSION;</div>
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<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>  <span class="comment">// Persist that we are attempting a fresh install to the latest version.</span></div>
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<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>  <span class="comment">// This protects against corruption in an aborted install that is</span></div>
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<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>  <span class="comment">// followed by a fresh installation attempt with a new schema.</span></div>
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<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>  <span class="keyword">auto</span> cmd = boost::format(R<span class="stringliteral">"(SELECT set_schema_version(0, %u))");</span></div>
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<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span> <span class="stringliteral"> res = PgQuery(pool)({boost::str(cmd % freshVersion).c_str(), {}});</span></div>
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<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span> <span class="stringliteral"> </span><span class="keywordflow">if</span> (!res)</div>
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<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>  {</div>
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<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream.html">std::stringstream</a> ss;</div>
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<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>  ss << <span class="stringliteral">"Error setting schema version from "</span> << currentSchemaVersion</div>
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<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  << <span class="stringliteral">" to "</span> << freshVersion << <span class="stringliteral">": "</span> << res.msg();</div>
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<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>  Throw<std::runtime_error>(ss.<a class="codeRef" href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">str</a>());</div>
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<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>  }</div>
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<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>  </div>
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<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>  <span class="comment">// Install the full latest schema.</span></div>
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<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>  applySchema(</div>
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<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>  pool,</div>
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<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>  full_schemata[freshVersion],</div>
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<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>  currentSchemaVersion,</div>
|
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<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>  freshVersion);</div>
|
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<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>  currentSchemaVersion = freshVersion;</div>
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<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>  }</div>
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<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>  </div>
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<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>  <span class="comment">// Incrementally upgrade one version at a time until latest.</span></div>
|
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<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>  <span class="keywordflow">for</span> (; currentSchemaVersion < LATEST_SCHEMA_VERSION; ++currentSchemaVersion)</div>
|
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<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>  {</div>
|
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<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>  applySchema(</div>
|
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<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>  pool,</div>
|
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<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>  upgrade_schemata[currentSchemaVersion],</div>
|
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<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>  currentSchemaVersion,</div>
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<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>  currentSchemaVersion + 1);</div>
|
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<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>  }</div>
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<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span> }</div>
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<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>  </div>
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<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span> } <span class="comment">// namespace ripple</span></div>
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<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span> <span class="preprocessor">#endif</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="asstream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/sstream.html">sstream</a></div></div>
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<div class="ttc" id="astrcmp_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/byte/strcmp.html">std::strcmp</a></div><div class="ttdeci">T strcmp(T... args)</div></div>
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<div class="ttc" id="asleep_for_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/sleep_for.html">std::this_thread::sleep_for</a></div><div class="ttdeci">T sleep_for(T... args)</div></div>
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<div class="ttc" id="abasic_string_view_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string_view.html">std::string_view</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="areserve_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/reserve.html">std::vector::reserve</a></div><div class="ttdeci">T reserve(T... args)</div></div>
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<div class="ttc" id="apush_back_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">std::vector::push_back</a></div><div class="ttdeci">T push_back(T... args)</div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html_a87d6bd59020d94110027dcab3d9e3357"><div class="ttname"><a href="classbeast_1_1Journal.html#a87d6bd59020d94110027dcab3d9e3357">beast::Journal::info</a></div><div class="ttdeci">Stream info() const</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00321">Journal.h:321</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html"><div class="ttname"><a href="classbeast_1_1Journal.html">beast::Journal</a></div><div class="ttdoc">A generic endpoint for log messages.</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00058">Journal.h:58</a></div></div>
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<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div></div>
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<div class="ttc" id="amin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a></div><div class="ttdeci">T min(T... args)</div></div>
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<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="RCLCensorshipDetector_8h_source.html#l00029">RCLCensorshipDetector.h:29</a></div></div>
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<div class="ttc" id="aassign_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/assign.html">std::string::assign</a></div><div class="ttdeci">T assign(T... args)</div></div>
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<div class="ttc" id="astr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_stringstream/str.html">std::stringstream::str</a></div><div class="ttdeci">T str(T... args)</div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html_a556228cb60bcf405c225d3f64b7b01ae"><div class="ttname"><a href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">beast::Journal::debug</a></div><div class="ttdeci">Stream debug() const</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00315">Journal.h:315</a></div></div>
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<div class="ttc" id="anext_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/next.html">std::next</a></div><div class="ttdeci">T next(T... args)</div></div>
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