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/**
* Copyright (C) 2015 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/platform/basic.h"
#include "mongo/db/client.h"
#include "mongo/db/operation_context.h"
#include "mongo/db/repl/optime.h"
#include "mongo/db/repl/repl_set_command.h"
#include "mongo/db/repl/repl_set_request_votes_args.h"
#include "mongo/db/repl/replication_coordinator_global.h"
#include "mongo/executor/network_interface.h"
#include "mongo/util/scopeguard.h"
namespace mongo {
namespace repl {
class CmdReplSetRequestVotes : public ReplSetCommand {
public:
CmdReplSetRequestVotes() : ReplSetCommand("replSetRequestVotes") {}
private:
bool run(OperationContext* txn,
const std::string&,
BSONObj& cmdObj,
int,
std::string& errmsg,
BSONObjBuilder& result) final {
Status status = getGlobalReplicationCoordinator()->checkReplEnabledForCommand(&result);
if (!status.isOK()) {
return appendCommandStatus(result, status);
}
ReplSetRequestVotesArgs parsedArgs;
status = parsedArgs.initialize(cmdObj);
if (!status.isOK()) {
return appendCommandStatus(result, status);
}
// We want to keep request vote connection open when relinquishing primary.
// Tag it here.
unsigned originalTag = 0;
AbstractMessagingPort* mp = txn->getClient()->port();
if (mp) {
originalTag = mp->getTag();
mp->setTag(originalTag | executor::NetworkInterface::kMessagingPortKeepOpen);
}
// Untag the connection on exit.
ON_BLOCK_EXIT([mp, originalTag]() {
if (mp) {
mp->setTag(originalTag);
}
});
ReplSetRequestVotesResponse response;
status = getGlobalReplicationCoordinator()->processReplSetRequestVotes(
txn, parsedArgs, &response);
response.addToBSON(&result);
return appendCommandStatus(result, status);
}
} cmdReplSetRequestVotes;
} // namespace repl
} // namespace mongo
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