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66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
// gridconfig.cpp
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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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#include "stdafx.h"
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#include "../grid/message.h"
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#include "../util/unittest.h"
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#include "../client/connpool.h"
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#include "../db/pdfile.h"
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#include "gridconfig.h"
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#include "../client/model.h"
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/* --- Machine --- */
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map<string, Machine*> Machine::machines;
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/* --- GridConfig --- */
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//static boost::mutex loc_mutex;
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Grid grid;
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ClientConfig* GridConfig::getClientConfig(string database) {
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ClientConfig*& cc = databases[database];
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if ( cc == 0 ) {
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cc = new ClientConfig();
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if ( !cc->loadByName(database.c_str()) ) {
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log() << "couldn't find database " << database << " in grid db" << endl;
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// note here that cc->primary == 0.
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}
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}
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return cc;
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}
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/* --- Grid --- */
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Machine* Grid::owner(const char *ns, BSONObj& objOrKey) {
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ClientConfig *cc = gc.getClientConfig( nsToClient(ns) );
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if ( cc == 0 ) {
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throw UserAssertionException(
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string("dbgrid: no config for db for ") + ns);
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}
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if ( !cc->partitioned ) {
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if ( !cc->primary )
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throw UserAssertionException(string("dbgrid: no primary for ")+ns);
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return cc->primary;
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}
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uassert("dbgrid: not implemented 100", false);
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return 0;
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}
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