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51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
/* connpool.cpp
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*/
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/**
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* Copyright (C) 2008 10gen Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// _ todo: reconnect?
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#include "stdafx.h"
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#include "connpool.h"
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namespace mongo {
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DBConnectionPool pool;
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DBClientConnection* DBConnectionPool::get(const string& host) {
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boostlock L(poolMutex);
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PoolForHost *&p = pools[host];
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if ( p == 0 )
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p = new PoolForHost();
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if ( p->pool.empty() ) {
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string errmsg;
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DBClientConnection *c = new DBClientConnection();
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if ( !c->connect(host.c_str(), errmsg) ) {
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delete c;
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uassert("dbconnectionpool: connect failed", false);
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return 0;
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}
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return c;
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}
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DBClientConnection *c = p->pool.front();
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p->pool.pop();
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return c;
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}
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} // namespace mongo
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