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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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/executor/connection_pool_stats.h"
#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/util/map_util.h"
namespace mongo {
namespace executor {
ConnectionStatsPer::ConnectionStatsPer(size_t nInUse,
size_t nAvailable,
size_t nCreated,
size_t nRefreshing)
: inUse(nInUse), available(nAvailable), created(nCreated), refreshing(nRefreshing) {}
ConnectionStatsPer::ConnectionStatsPer() = default;
ConnectionStatsPer& ConnectionStatsPer::operator+=(const ConnectionStatsPer& other) {
inUse += other.inUse;
available += other.available;
created += other.created;
refreshing += other.refreshing;
return *this;
}
void ConnectionPoolStats::updateStatsForHost(std::string pool,
HostAndPort host,
ConnectionStatsPer newStats) {
// Update stats for this host.
statsByPool[pool] += newStats;
statsByHost[host] += newStats;
statsByPoolHost[pool][host] += newStats;
// Update total connection stats.
totalInUse += newStats.inUse;
totalAvailable += newStats.available;
totalCreated += newStats.created;
totalRefreshing += newStats.refreshing;
}
void ConnectionPoolStats::appendToBSON(mongo::BSONObjBuilder& result) {
result.appendNumber("totalInUse", totalInUse);
result.appendNumber("totalAvailable", totalAvailable);
result.appendNumber("totalCreated", totalCreated);
result.appendNumber("totalRefreshing", totalRefreshing);
{
BSONObjBuilder poolBuilder(result.subobjStart("pools"));
for (auto&& pool : statsByPool) {
BSONObjBuilder poolInfo(poolBuilder.subobjStart(pool.first));
auto poolStats = pool.second;
poolInfo.appendNumber("poolInUse", poolStats.inUse);
poolInfo.appendNumber("poolAvailable", poolStats.available);
poolInfo.appendNumber("poolCreated", poolStats.created);
poolInfo.appendNumber("poolRefreshing", poolStats.refreshing);
for (auto&& host : statsByPoolHost[pool.first]) {
BSONObjBuilder hostInfo(poolInfo.subobjStart(host.first.toString()));
auto hostStats = host.second;
hostInfo.appendNumber("inUse", hostStats.inUse);
hostInfo.appendNumber("available", hostStats.available);
hostInfo.appendNumber("created", hostStats.created);
hostInfo.appendNumber("refreshing", hostStats.refreshing);
}
}
}
{
BSONObjBuilder hostBuilder(result.subobjStart("hosts"));
for (auto&& host : statsByHost) {
BSONObjBuilder hostInfo(hostBuilder.subobjStart(host.first.toString()));
auto hostStats = host.second;
hostInfo.appendNumber("inUse", hostStats.inUse);
hostInfo.appendNumber("available", hostStats.available);
hostInfo.appendNumber("created", hostStats.created);
hostInfo.appendNumber("refreshing", hostStats.refreshing);
}
}
}
} // namespace executor
} // namespace mongo
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