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path: root/src/mongo/db/auth/ldap_operation_stats.cpp
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/**
 *    Copyright (C) 2021-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 <cstdint>

#include "mongo/base/error_extra_info.h"
#include "mongo/db/auth/ldap_operation_stats.h"
#include "mongo/util/duration.h"
#include "mongo/util/tick_source.h"

namespace mongo {
namespace {
/**
 * LDAPOperationStats members
 */
constexpr auto kNumberOfReferrals = "LDAPNumberOfReferrals"_sd;
constexpr auto kBindStats = "bindStats"_sd;
constexpr auto kSearchStats = "searchStats"_sd;
constexpr auto kUnbindStats = "unbindStats"_sd;

/**
 * Fields of the Stats struct
 */
constexpr auto kLDAPMetricNumOp = "numOp"_sd;
constexpr auto kLDAPMetricDuration = "opDuration"_sd;

}  // namespace

void LDAPOperationStats::report(BSONObjBuilder* builder, TickSource* tickSource) const {
    builder->append(kNumberOfReferrals, _numReferrals);
    reportHelper(builder, tickSource, _bindStats, kBindStats);
    reportHelper(builder, tickSource, _searchStats, kSearchStats);
    reportHelper(builder, tickSource, _unbindStats, kUnbindStats);
}

void LDAPOperationStats::reportHelper(BSONObjBuilder* builder,
                                      TickSource* tickSource,
                                      Stats ldapOpStats,
                                      StringData statsName) const {
    BSONObjBuilder subObjBuildr(builder->subobjStart(statsName));
    subObjBuildr.append(kLDAPMetricNumOp, ldapOpStats.numOps);
    subObjBuildr.append(kLDAPMetricDuration,
                        durationCount<Microseconds>(_timeElapsed(tickSource, ldapOpStats)));
}

void LDAPOperationStats::toString(StringBuilder* sb, TickSource* tickSource) const {
    *sb << "{" << kNumberOfReferrals << ":" << _numReferrals << ",";
    toStringHelper(sb, tickSource, _bindStats, kBindStats);
    toStringHelper(sb, tickSource, _searchStats, kSearchStats);
    toStringHelper(sb, tickSource, _unbindStats, kUnbindStats);
    *sb << "}";
}

void LDAPOperationStats::toStringHelper(StringBuilder* sb,
                                        TickSource* tickSource,
                                        Stats ldapOpStats,
                                        StringData statsName) const {
    *sb << statsName << "{" << kLDAPMetricNumOp << ":" << ldapOpStats.numOps << ","
        << kLDAPMetricDuration << ":"
        << durationCount<Microseconds>(_timeElapsed(tickSource, ldapOpStats)) << "}";
}

Microseconds LDAPOperationStats::_timeElapsed(TickSource* tickSource, Stats ldapOpStats) const {
    if (ldapOpStats.startTime == Microseconds{0}) {
        return Microseconds{0};
    }

    if (ldapOpStats.endTime <= ldapOpStats.startTime) {
        return tickSource->ticksTo<Microseconds>(tickSource->getTicks()) - ldapOpStats.startTime;
    }

    return ldapOpStats.endTime - ldapOpStats.startTime;
}

bool LDAPOperationStats::shouldReport() const {
    return _numReferrals != 0 || _bindStats.numOps != 0 || _searchStats.numOps != 0 ||
        _unbindStats.numOps != 0;
}
}  // namespace mongo