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/* Copyright (C) 2014 MongoDB 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/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/db/write_concern_options.h"
#include "mongo/client/dbclientinterface.h"
namespace mongo {
const BSONObj WriteConcernOptions::Default = BSONObj();
const BSONObj WriteConcernOptions::Acknowledged(BSON("w" << W_NORMAL));
const BSONObj WriteConcernOptions::AllConfigs = BSONObj();
const BSONObj WriteConcernOptions::Unacknowledged(BSON("w" << W_NONE));
Status WriteConcernOptions::parse( const BSONObj& obj ) {
if ( obj.isEmpty() ) {
return Status( ErrorCodes::BadValue, "write concern object cannot be empty" );
}
bool j = obj["j"].trueValue();
bool fsync = obj["fsync"].trueValue();
if ( j & fsync )
return Status( ErrorCodes::BadValue, "fsync and j options cannot be used together" );
if ( j ) {
syncMode = JOURNAL;
}
if ( fsync ) {
syncMode = FSYNC;
}
BSONElement e = obj["w"];
if ( e.isNumber() ) {
wNumNodes = e.numberInt();
}
else if ( e.type() == String ) {
wMode = e.valuestrsafe();
}
else if ( e.eoo() ||
e.type() == jstNULL ||
e.type() == Undefined ) {
wNumNodes = 1;
}
else {
return Status( ErrorCodes::BadValue, "w has to be a number or a string" );
}
wTimeout = obj["wtimeout"].numberInt();
return Status::OK();
}
}
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