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// gridconfig.cpp
/**
* Copyright (C) 2008 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stdafx.h"
#include "../grid/message.h"
#include "../util/unittest.h"
#include "../client/connpool.h"
#include "../db/pdfile.h"
#include "gridconfig.h"
#include "../client/model.h"
/* --- Machine --- */
map<string, Machine*> Machine::machines;
/* --- GridConfig --- */
//static boost::mutex loc_mutex;
Grid grid;
ClientConfig* GridConfig::getClientConfig(string client) {
ClientConfig*& cc = clients[client];
if( cc == 0 ) {
cc = new ClientConfig();
if( !cc->loadByName(client.c_str()) ) {
log() << "couldn't find client " << client << " in grid db" << endl;
// note here that cc->primary == 0.
}
}
return cc;
}
/* --- Grid --- */
Machine* Grid::owner(const char *ns, BSONObj& objOrKey) {
ClientConfig *cc = gc.getClientConfig( nsToClient(ns) );
if( cc == 0 ) {
throw UserAssertionException(
string("dbgrid: no config for db for ") + ns);
}
if( !cc->partitioned ) {
if( !cc->primary )
throw UserAssertionException(string("dbgrid: no primary for ")+ns);
return cc->primary;
}
uassert("dbgrid: not implemented 100", false);
return 0;
}
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