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Everything but visitAll

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This commit is contained in:
JoelKatz
2013-07-11 11:01:08 -07:00
parent 2e4317e173
commit 09df53643e
1 changed files with 100 additions and 10 deletions
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110
modules/ripple_app/node/ripple_MdbBackendFactory.cpp
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@@ -19,15 +19,24 @@ public:
error = mdb_env_create (&m_env);
if (error == 0) // Should use the size of the file plus the free space on the disk
error = mdb_env_set_mapsize(m_env, 512L * 1024L * 1024L * 1024L);
if (error == 0)
{
error = mdb_env_open (
m_env,
keyValues ["path"].toStdString().c_str (),
0,
0);
MDB_NOTLS,
0664);
MDB_txn * txn;
if (error == 0)
error = mdb_txn_begin(m_env, NULL, 0, &txn);
if (error == 0)
error = mdb_dbi_open(txn, NULL, 0, &m_dbi);
if (error == 0)
error = mdb_txn_commit(txn);
}
if (error != 0)
{
@@ -35,36 +44,115 @@ public:
s << "Error #" << error << " creating mdb environment";
throw std::runtime_error (s.toStdString ());
}
m_name = keyValues ["path"].toStdString();
}
~Backend ()
{
if (m_env != nullptr)
{
mdb_dbi_close(m_env, m_dbi);
mdb_env_close (m_env);
}
}
std::string getDataBaseName()
{
return std::string ();
return m_name;
}
bool store (NodeObject::ref obj)
{
return false;
MDB_txn *txn = nullptr;
int rc = 0;
rc = mdb_txn_begin(m_env, NULL, 0, &txn);
if (rc == 0)
{
MDB_val key, data;
Blob blob (toBlob (obj));
key.mv_size = (256 / 8);
key.mv_data = const_cast<unsigned char *>(obj->getHash().begin());
data.mv_size = blob.size();
data.mv_data = &blob.front();
rc = mdb_put(txn, m_dbi, &key, &data, 0);
}
if (rc == 0)
rc = mdb_txn_commit(txn);
else if (txn)
mdb_txn_abort(txn);
return rc == 0;
}
bool bulkStore (std::vector <NodeObject::pointer> const& objs)
{
return false;
MDB_txn *txn = nullptr;
int rc = 0;
rc = mdb_txn_begin(m_env, NULL, 0, &txn);
if (rc == 0)
{
BOOST_FOREACH (NodeObject::ref obj, objs)
{
MDB_val key, data;
Blob blob (toBlob (obj));
key.mv_size = (256 / 8);
key.mv_data = const_cast<unsigned char *>(obj->getHash().begin());
data.mv_size = blob.size();
data.mv_data = &blob.front();
rc = mdb_put(txn, m_dbi, &key, &data, 0);
if (rc != 0)
break;
}
}
if (rc == 0)
rc = mdb_txn_commit(txn);
else if (txn)
mdb_txn_abort(txn);
return rc == 0;
}
NodeObject::pointer retrieve (uint256 const& hash)
{
return NodeObject::pointer ();
NodeObject::pointer ret;
MDB_txn *txn = nullptr;
int rc = 0;
rc = mdb_txn_begin(m_env, NULL, 0, &txn);
if (rc == 0)
{
MDB_val key, data;
key.mv_size = (256 / 8);
key.mv_data = const_cast<unsigned char *>(hash.begin());
rc = mdb_get(txn, m_dbi, &key, &data);
if (rc == 0)
ret = fromBinary(hash, static_cast<char *>(data.mv_data), data.mv_size);
}
mdb_txn_abort(txn);
return ret;
}
void visitAll (FUNCTION_TYPE <void (NodeObject::pointer)> func)
{
{ // WRITEME
assert(false);
}
Blob toBlob (NodeObject::ref obj) const
@@ -101,7 +189,9 @@ public:
}
private:
MDB_env* m_env;
std::string m_name;
MDB_env* m_env;
MDB_dbi m_dbi;
};
//------------------------------------------------------------------------------