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/**
* 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/>.
*
* 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/repl/repl_reads_ok.h"
#include "mongo/client/dbclientinterface.h"
#include "mongo/db/parsed_query.h"
#include "mongo/db/query/lite_parsed_query.h"
#include "mongo/db/repl/is_master.h"
#include "mongo/db/repl/replication_server_status.h"
#include "mongo/db/repl/rs.h"
#include "mongo/util/assert_util.h"
namespace mongo {
/** we allow queries to SimpleSlave's */
void replVerifyReadsOk(const ParsedQuery* pq) {
if( replSet ) {
// todo: speed up the secondary case. as written here there are 2 mutex entries, it
// can b 1.
if( isMaster() ) return;
if ( cc().isGod() ) return;
uassert(13435, "not master and slaveOk=false",
!pq || pq->hasOption(QueryOption_SlaveOk) || pq->hasReadPref());
uassert(13436,
"not master or secondary; cannot currently read from this replSet member",
theReplSet && theReplSet->isSecondary() );
}
else {
// master/slave
uassert( 10107,
"not master",
isMaster() ||
(!pq || pq->hasOption(QueryOption_SlaveOk)) ||
replSettings.slave == SimpleSlave );
}
}
/** we allow queries to SimpleSlave's */
void replVerifyReadsOk(const LiteParsedQuery* pq) {
if( replSet ) {
// todo: speed up the secondary case. as written here there are 2 mutex entries, it
// can b 1.
if( isMaster() ) return;
if ( cc().isGod() ) return;
uassert(17069, "not master and slaveOk=false",
!pq || pq->hasOption(QueryOption_SlaveOk) || pq->hasReadPref());
uassert(17070,
"not master or secondary; cannot currently read from this replSet member",
theReplSet && theReplSet->isSecondary() );
}
else {
// master/slave
uassert(17071,
"not master",
isMaster() ||
(!pq || pq->hasOption(QueryOption_SlaveOk)) ||
replSettings.slave == SimpleSlave );
}
}
} // namespace mongo
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