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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 "../util/message.h"
#include "../util/unittest.h"
#include "../client/connpool.h"
#include "../client/model.h"
#include "../db/pdfile.h"
#include "gridconfig.h"
#include "configserver.h"
namespace mongo {
/* --- DBConfig --- */
string DBConfig::modelServer() {
return configServer.modelServer();
}
bool DBConfig::partitioned( const NamespaceString& ns ){
if ( ! _partitioned )
return false;
uassert( "don't know what to do!" , 0 );
return 0;
}
string DBConfig::getServer( const NamespaceString& ns ){
if ( partitioned( ns ) )
return 0;
uassert( "no primary!" , _primary.size() );
return _primary;
}
void DBConfig::serialize(BSONObjBuilder& to){
to.append("name", _name);
to.appendBool("partitioned", _partitioned );
to.append("primary", _primary );
}
void DBConfig::unserialize(BSONObj& from){
_name = from.getStringField("name");
_partitioned = from.getBoolField("partitioned");
_primary = from.getStringField("primary");
}
bool DBConfig::loadByName(const char *nm){
BSONObjBuilder b;
b.append("name", nm);
BSONObj q = b.done();
return load(q);
}
/* --- Grid --- */
DBConfig* Grid::getDBConfig( string database ){
{
string::size_type i = database.find( "." );
if ( i != string::npos )
database = database.substr( 0 , i );
}
if ( database == "config" )
return &configServer;
DBConfig*& cc = _databases[database];
if ( cc == 0 ) {
cc = new DBConfig( database );
if ( !cc->loadByName(database.c_str()) ) {
// note here that cc->primary == 0.
log() << "couldn't find database [" << database << "] in config db" << endl;
}
}
return cc;
}
Grid grid;
}
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