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bthomee
@@ -97,77 +97,79 @@ $(function() {
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <xrpld/ledger/CachedView.h></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="keyword">namespace </span>detail {</div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="keywordtype">bool</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"><a class="line" href="classripple_1_1detail_1_1CachedViewImpl.html#a68bb9ce15af8016d45d70129fb269078"> 26</a></span><a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a68bb9ce15af8016d45d70129fb269078">CachedViewImpl::exists</a>(<a class="code hl_struct" href="structripple_1_1Keylet.html">Keylet</a> <span class="keyword">const</span>& k)<span class="keyword"> const</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="keyword"></span>{</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a582680a14129f2d3e08018a3044a0b4b">read</a>(k) != <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span>}</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<SLE const></a></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"><a class="line" href="classripple_1_1detail_1_1CachedViewImpl.html#a582680a14129f2d3e08018a3044a0b4b"> 32</a></span><a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a582680a14129f2d3e08018a3044a0b4b">CachedViewImpl::read</a>(<a class="code hl_struct" href="structripple_1_1Keylet.html">Keylet</a> <span class="keyword">const</span>& k)<span class="keyword"> const</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword"></span>{</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">static</span> <a class="code hl_class" href="classripple_1_1CountedObjects_1_1Counter.html">CountedObjects::Counter</a> hits{<span class="stringliteral">"CachedView::hit"</span>};</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">static</span> <a class="code hl_class" href="classripple_1_1CountedObjects_1_1Counter.html">CountedObjects::Counter</a> hitsexpired{<span class="stringliteral">"CachedView::hitExpired"</span>};</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">static</span> <a class="code hl_class" href="classripple_1_1CountedObjects_1_1Counter.html">CountedObjects::Counter</a> misses{<span class="stringliteral">"CachedView::miss"</span>};</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keywordtype">bool</span> cacheHit = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordtype">bool</span> baseRead = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">auto</span> <span class="keyword">const</span> <a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a3a33558e8776cb28bb8d122d61c701fa">digest</a> = [&]() -> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<uint256></a> {</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> {</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(<a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#af882e84e266d9b4bc2194de80b638898">mutex_</a>);</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">auto</span> <span class="keyword">const</span> iter = <a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#a7f2a80272a6891bb4ac27a26ac3e91d2">map_</a>.find(k.<a class="code hl_variable" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>);</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordflow">if</span> (iter != <a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#a7f2a80272a6891bb4ac27a26ac3e91d2">map_</a>.end())</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> {</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> cacheHit = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">return</span> iter->second;</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> }</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> }</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#a470f48833caf730009dcfc76428aacf2">base_</a>.<a class="code hl_function" href="classripple_1_1DigestAwareReadView.html#a5ad294c301202590c41d55ec7b506edc">digest</a>(k.<a class="code hl_variable" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>);</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> }();</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a3a33558e8776cb28bb8d122d61c701fa">digest</a>)</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">auto</span> sle = <a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#a463c3b77580aa8e9b2a945a4b56ca748">cache_</a>.<a class="code hl_function" href="classripple_1_1TaggedCache.html#a3d5f6570f0eb719ddc0f093a5b40cb01">fetch</a>(*<a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a3a33558e8776cb28bb8d122d61c701fa">digest</a>, [&]() {</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> baseRead = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#a470f48833caf730009dcfc76428aacf2">base_</a>.<a class="code hl_function" href="classripple_1_1ReadView.html#a0583a050ea7799ba331f6222a905f304">read</a>(k);</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> });</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// If the sle is null, then a failure must have occurred in base_.read()</span></div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> XRPL_ASSERT(</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> sle || baseRead,</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="stringliteral">"ripple::CachedView::read : null SLE result from base"</span>);</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">if</span> (cacheHit && baseRead)</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> hitsexpired.increment();</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cacheHit)</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> hits.increment();</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">else</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> misses.increment();</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">if</span> (!cacheHit)</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> {</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// Avoid acquiring this lock unless necessary. It is only necessary if</span></div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// the key was not found in the map_. The lock is needed to add the key</span></div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// and digest.</span></div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(<a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#af882e84e266d9b4bc2194de80b638898">mutex_</a>);</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#a7f2a80272a6891bb4ac27a26ac3e91d2">map_</a>.emplace(k.<a class="code hl_variable" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>, *<a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a3a33558e8776cb28bb8d122d61c701fa">digest</a>);</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> }</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">if</span> (!sle || !k.<a class="code hl_function" href="structripple_1_1Keylet.html#a1e8ccd4a50a894a338c789fc566d8802">check</a>(*sle))</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span> sle;</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>}</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span>} <span class="comment">// namespace detail</span></div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span>} <span class="comment">// namespace ripple</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <xrpl/basics/TaggedCache.ipp></span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="keyword">namespace </span>detail {</div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="keywordtype">bool</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"><a class="line" href="classripple_1_1detail_1_1CachedViewImpl.html#a68bb9ce15af8016d45d70129fb269078"> 28</a></span><a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a68bb9ce15af8016d45d70129fb269078">CachedViewImpl::exists</a>(<a class="code hl_struct" href="structripple_1_1Keylet.html">Keylet</a> <span class="keyword">const</span>& k)<span class="keyword"> const</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keyword"></span>{</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a582680a14129f2d3e08018a3044a0b4b">read</a>(k) != <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span>}</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<SLE const></a></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="classripple_1_1detail_1_1CachedViewImpl.html#a582680a14129f2d3e08018a3044a0b4b"> 34</a></span><a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a582680a14129f2d3e08018a3044a0b4b">CachedViewImpl::read</a>(<a class="code hl_struct" href="structripple_1_1Keylet.html">Keylet</a> <span class="keyword">const</span>& k)<span class="keyword"> const</span></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword"></span>{</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">static</span> <a class="code hl_class" href="classripple_1_1CountedObjects_1_1Counter.html">CountedObjects::Counter</a> hits{<span class="stringliteral">"CachedView::hit"</span>};</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">static</span> <a class="code hl_class" href="classripple_1_1CountedObjects_1_1Counter.html">CountedObjects::Counter</a> hitsexpired{<span class="stringliteral">"CachedView::hitExpired"</span>};</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">static</span> <a class="code hl_class" href="classripple_1_1CountedObjects_1_1Counter.html">CountedObjects::Counter</a> misses{<span class="stringliteral">"CachedView::miss"</span>};</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordtype">bool</span> cacheHit = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordtype">bool</span> baseRead = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">auto</span> <span class="keyword">const</span> <a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a3a33558e8776cb28bb8d122d61c701fa">digest</a> = [&]() -> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<uint256></a> {</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> {</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(<a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#af882e84e266d9b4bc2194de80b638898">mutex_</a>);</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">auto</span> <span class="keyword">const</span> iter = <a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#a7f2a80272a6891bb4ac27a26ac3e91d2">map_</a>.find(k.<a class="code hl_variable" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>);</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordflow">if</span> (iter != <a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#a7f2a80272a6891bb4ac27a26ac3e91d2">map_</a>.end())</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> {</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> cacheHit = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">return</span> iter->second;</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> }</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> }</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#a470f48833caf730009dcfc76428aacf2">base_</a>.<a class="code hl_function" href="classripple_1_1DigestAwareReadView.html#a5ad294c301202590c41d55ec7b506edc">digest</a>(k.<a class="code hl_variable" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>);</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> }();</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a3a33558e8776cb28bb8d122d61c701fa">digest</a>)</div>
|
||||
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
|
||||
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">auto</span> sle = <a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#a463c3b77580aa8e9b2a945a4b56ca748">cache_</a>.<a class="code hl_function" href="classripple_1_1TaggedCache.html#a7a535c19e0d56af57598db5149778f22">fetch</a>(*<a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a3a33558e8776cb28bb8d122d61c701fa">digest</a>, [&]() {</div>
|
||||
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> baseRead = <span class="keyword">true</span>;</div>
|
||||
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#a470f48833caf730009dcfc76428aacf2">base_</a>.<a class="code hl_function" href="classripple_1_1ReadView.html#a0583a050ea7799ba331f6222a905f304">read</a>(k);</div>
|
||||
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> });</div>
|
||||
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="comment">// If the sle is null, then a failure must have occurred in base_.read()</span></div>
|
||||
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> XRPL_ASSERT(</div>
|
||||
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> sle || baseRead,</div>
|
||||
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="stringliteral">"ripple::CachedView::read : null SLE result from base"</span>);</div>
|
||||
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">if</span> (cacheHit && baseRead)</div>
|
||||
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> hitsexpired.increment();</div>
|
||||
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cacheHit)</div>
|
||||
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> hits.increment();</div>
|
||||
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">else</span></div>
|
||||
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> misses.increment();</div>
|
||||
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
|
||||
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">if</span> (!cacheHit)</div>
|
||||
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> {</div>
|
||||
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// Avoid acquiring this lock unless necessary. It is only necessary if</span></div>
|
||||
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// the key was not found in the map_. The lock is needed to add the key</span></div>
|
||||
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="comment">// and digest.</span></div>
|
||||
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(<a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#af882e84e266d9b4bc2194de80b638898">mutex_</a>);</div>
|
||||
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <a class="code hl_variable" href="classripple_1_1detail_1_1CachedViewImpl.html#a7f2a80272a6891bb4ac27a26ac3e91d2">map_</a>.emplace(k.<a class="code hl_variable" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>, *<a class="code hl_function" href="classripple_1_1detail_1_1CachedViewImpl.html#a3a33558e8776cb28bb8d122d61c701fa">digest</a>);</div>
|
||||
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> }</div>
|
||||
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">if</span> (!sle || !k.<a class="code hl_function" href="structripple_1_1Keylet.html#a1e8ccd4a50a894a338c789fc566d8802">check</a>(*sle))</div>
|
||||
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
|
||||
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">return</span> sle;</div>
|
||||
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span>}</div>
|
||||
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
|
||||
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span>} <span class="comment">// namespace detail</span></div>
|
||||
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span>} <span class="comment">// namespace ripple</span></div>
|
||||
<div class="ttc" id="aclassripple_1_1CountedObjects_1_1Counter_html"><div class="ttname"><a href="classripple_1_1CountedObjects_1_1Counter.html">ripple::CountedObjects::Counter</a></div><div class="ttdoc">Implementation for CountedObject.</div><div class="ttdef"><b>Definition:</b> <a href="CountedObject_8h_source.html#l00050">CountedObject.h:51</a></div></div>
|
||||
<div class="ttc" id="aclassripple_1_1DigestAwareReadView_html_a5ad294c301202590c41d55ec7b506edc"><div class="ttname"><a href="classripple_1_1DigestAwareReadView.html#a5ad294c301202590c41d55ec7b506edc">ripple::DigestAwareReadView::digest</a></div><div class="ttdeci">virtual std::optional< digest_type > digest(key_type const &key) const =0</div><div class="ttdoc">Return the digest associated with the key.</div></div>
|
||||
<div class="ttc" id="aclassripple_1_1ReadView_html_a0583a050ea7799ba331f6222a905f304"><div class="ttname"><a href="classripple_1_1ReadView.html#a0583a050ea7799ba331f6222a905f304">ripple::ReadView::read</a></div><div class="ttdeci">virtual std::shared_ptr< SLE const > read(Keylet const &k) const =0</div><div class="ttdoc">Return the state item associated with a key.</div></div>
|
||||
<div class="ttc" id="aclassripple_1_1TaggedCache_html_a3d5f6570f0eb719ddc0f093a5b40cb01"><div class="ttname"><a href="classripple_1_1TaggedCache.html#a3d5f6570f0eb719ddc0f093a5b40cb01">ripple::TaggedCache::fetch</a></div><div class="ttdeci">std::shared_ptr< T > fetch(const key_type &key)</div><div class="ttdef"><b>Definition:</b> <a href="TaggedCache_8h_source.html#l00397">TaggedCache.h:397</a></div></div>
|
||||
<div class="ttc" id="aclassripple_1_1TaggedCache_html_a7a535c19e0d56af57598db5149778f22"><div class="ttname"><a href="classripple_1_1TaggedCache.html#a7a535c19e0d56af57598db5149778f22">ripple::TaggedCache::fetch</a></div><div class="ttdeci">SharedPointerType fetch(const key_type &key)</div></div>
|
||||
<div class="ttc" id="aclassripple_1_1detail_1_1CachedViewImpl_html_a3a33558e8776cb28bb8d122d61c701fa"><div class="ttname"><a href="classripple_1_1detail_1_1CachedViewImpl.html#a3a33558e8776cb28bb8d122d61c701fa">ripple::detail::CachedViewImpl::digest</a></div><div class="ttdeci">std::optional< digest_type > digest(key_type const &key) const override</div><div class="ttdoc">Return the digest associated with the key.</div><div class="ttdef"><b>Definition:</b> <a href="CachedView_8h_source.html#l00143">CachedView.h:143</a></div></div>
|
||||
<div class="ttc" id="aclassripple_1_1detail_1_1CachedViewImpl_html_a463c3b77580aa8e9b2a945a4b56ca748"><div class="ttname"><a href="classripple_1_1detail_1_1CachedViewImpl.html#a463c3b77580aa8e9b2a945a4b56ca748">ripple::detail::CachedViewImpl::cache_</a></div><div class="ttdeci">CachedSLEs & cache_</div><div class="ttdef"><b>Definition:</b> <a href="CachedView_8h_source.html#l00039">CachedView.h:39</a></div></div>
|
||||
<div class="ttc" id="aclassripple_1_1detail_1_1CachedViewImpl_html_a470f48833caf730009dcfc76428aacf2"><div class="ttname"><a href="classripple_1_1detail_1_1CachedViewImpl.html#a470f48833caf730009dcfc76428aacf2">ripple::detail::CachedViewImpl::base_</a></div><div class="ttdeci">DigestAwareReadView const & base_</div><div class="ttdef"><b>Definition:</b> <a href="CachedView_8h_source.html#l00038">CachedView.h:38</a></div></div>
|
||||
<div class="ttc" id="aclassripple_1_1detail_1_1CachedViewImpl_html_a582680a14129f2d3e08018a3044a0b4b"><div class="ttname"><a href="classripple_1_1detail_1_1CachedViewImpl.html#a582680a14129f2d3e08018a3044a0b4b">ripple::detail::CachedViewImpl::read</a></div><div class="ttdeci">std::shared_ptr< SLE const > read(Keylet const &k) const override</div><div class="ttdoc">Return the state item associated with a key.</div><div class="ttdef"><b>Definition:</b> <a href="CachedView_8cpp_source.html#l00032">CachedView.cpp:32</a></div></div>
|
||||
<div class="ttc" id="aclassripple_1_1detail_1_1CachedViewImpl_html_a68bb9ce15af8016d45d70129fb269078"><div class="ttname"><a href="classripple_1_1detail_1_1CachedViewImpl.html#a68bb9ce15af8016d45d70129fb269078">ripple::detail::CachedViewImpl::exists</a></div><div class="ttdeci">bool exists(Keylet const &k) const override</div><div class="ttdoc">Determine if a state item exists.</div><div class="ttdef"><b>Definition:</b> <a href="CachedView_8cpp_source.html#l00026">CachedView.cpp:26</a></div></div>
|
||||
<div class="ttc" id="aclassripple_1_1detail_1_1CachedViewImpl_html_a582680a14129f2d3e08018a3044a0b4b"><div class="ttname"><a href="classripple_1_1detail_1_1CachedViewImpl.html#a582680a14129f2d3e08018a3044a0b4b">ripple::detail::CachedViewImpl::read</a></div><div class="ttdeci">std::shared_ptr< SLE const > read(Keylet const &k) const override</div><div class="ttdoc">Return the state item associated with a key.</div><div class="ttdef"><b>Definition:</b> <a href="CachedView_8cpp_source.html#l00034">CachedView.cpp:34</a></div></div>
|
||||
<div class="ttc" id="aclassripple_1_1detail_1_1CachedViewImpl_html_a68bb9ce15af8016d45d70129fb269078"><div class="ttname"><a href="classripple_1_1detail_1_1CachedViewImpl.html#a68bb9ce15af8016d45d70129fb269078">ripple::detail::CachedViewImpl::exists</a></div><div class="ttdeci">bool exists(Keylet const &k) const override</div><div class="ttdoc">Determine if a state item exists.</div><div class="ttdef"><b>Definition:</b> <a href="CachedView_8cpp_source.html#l00028">CachedView.cpp:28</a></div></div>
|
||||
<div class="ttc" id="aclassripple_1_1detail_1_1CachedViewImpl_html_a7f2a80272a6891bb4ac27a26ac3e91d2"><div class="ttname"><a href="classripple_1_1detail_1_1CachedViewImpl.html#a7f2a80272a6891bb4ac27a26ac3e91d2">ripple::detail::CachedViewImpl::map_</a></div><div class="ttdeci">std::unordered_map< key_type, uint256, hardened_hash<> > map_</div><div class="ttdef"><b>Definition:</b> <a href="CachedView_8h_source.html#l00041">CachedView.h:41</a></div></div>
|
||||
<div class="ttc" id="aclassripple_1_1detail_1_1CachedViewImpl_html_af882e84e266d9b4bc2194de80b638898"><div class="ttname"><a href="classripple_1_1detail_1_1CachedViewImpl.html#af882e84e266d9b4bc2194de80b638898">ripple::detail::CachedViewImpl::mutex_</a></div><div class="ttdeci">std::mutex mutex_</div><div class="ttdef"><b>Definition:</b> <a href="CachedView_8h_source.html#l00040">CachedView.h:40</a></div></div>
|
||||
<div class="ttc" id="alock_guard_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a></div></div>
|
||||
|
||||
Reference in New Issue
Block a user