/*
* 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 .
*
* 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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kSharding
#include "mongo/platform/basic.h"
#include "mongo/s/cluster_last_error_info.h"
#include
#include "mongo/db/client.h"
#include "mongo/db/commands/server_status_metric.h"
#include "mongo/db/lasterror.h"
#include "mongo/db/stats/timer_stats.h"
#include "mongo/util/log.h"
namespace mongo {
const ClientBasic::Decoration ClusterLastErrorInfo::get =
ClientBasic::declareDecoration();
void ClusterLastErrorInfo::addShardHost(const std::string& shardHost) {
_cur->shardHostsWritten.insert( shardHost );
}
void ClusterLastErrorInfo::addHostOpTime(ConnectionString connStr, HostOpTime stat) {
_cur->hostOpTimes[connStr] = stat;
}
void ClusterLastErrorInfo::addHostOpTimes( const HostOpTimeMap& hostOpTimes ) {
for ( HostOpTimeMap::const_iterator it = hostOpTimes.begin();
it != hostOpTimes.end(); ++it ) {
addHostOpTime(it->first, it->second);
}
}
void ClusterLastErrorInfo::newRequest() {
std::swap(_cur, _prev);
_cur->clear();
}
void ClusterLastErrorInfo::disableForCommand() {
RequestInfo* temp = _cur;
_cur = _prev;
_prev = temp;
}
static TimerStats gleWtimeStats;
static ServerStatusMetricField displayGleLatency("getLastError.wtime",
&gleWtimeStats);
void saveGLEStats(const BSONObj& result, const std::string& hostString) {
if (!haveClient()) {
return;
}
if (result[kGLEStatsFieldName].type() != Object) {
return;
}
std::string errmsg;
ConnectionString shardConn = ConnectionString::parse(hostString, errmsg);
BSONElement subobj = result[kGLEStatsFieldName];
Timestamp lastOpTime = subobj[kGLEStatsLastOpTimeFieldName].timestamp();
OID electionId = subobj[kGLEStatsElectionIdFieldName].OID();
auto& clientInfo = cc();
LOG(4) << "saveGLEStats lastOpTime:" << lastOpTime
<< " electionId:" << electionId;
ClusterLastErrorInfo::get(clientInfo).addHostOpTime(
shardConn, HostOpTime(lastOpTime, electionId));
}
} // namespace mongo