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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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kCommand
#include "mongo/platform/basic.h"
#include "mongo/util/fail_point_service.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/log.h"
namespace mongo {
using std::unique_ptr;
MONGO_FAIL_POINT_DEFINE(dummy); // used by tests in jstests/fail_point
unique_ptr<FailPointRegistry> _fpRegistry(nullptr);
MONGO_INITIALIZER_GENERAL(FailPointRegistry,
MONGO_NO_PREREQUISITES,
("BeginGeneralStartupOptionRegistration"))
(InitializerContext* context) {
_fpRegistry.reset(new FailPointRegistry());
return Status::OK();
}
MONGO_INITIALIZER_GENERAL(AllFailPointsRegistered, MONGO_NO_PREREQUISITES, MONGO_NO_DEPENDENTS)
(InitializerContext* context) {
_fpRegistry->freeze();
return Status::OK();
}
FailPointRegistry* getGlobalFailPointRegistry() {
return _fpRegistry.get();
}
void syncNow(const BSONObj& cmdObj) {
FailPoint fp;
FailPoint::Mode mode;
FailPoint::ValType val;
BSONObj data;
FailPoint::SyncConfig syncConfig;
std::tie(mode, val, data, syncConfig) = uassertStatusOK(FailPoint::parseBSON(cmdObj));
fp.setMode(mode, val, data, syncConfig);
warning() << "failpoint: 'now' set to: " << fp.toBSON();
MONGO_FAIL_POINT_SYNC(fp);
warning() << "failpoint: 'now' synced";
}
void setGlobalFailPoint(const std::string& failPointName, const BSONObj& cmdObj) {
FailPointRegistry* registry = getGlobalFailPointRegistry();
FailPoint* failPoint = registry->getFailPoint(failPointName);
if (failPoint == nullptr)
uasserted(ErrorCodes::FailPointSetFailed, failPointName + " not found");
FailPoint::Mode mode;
FailPoint::ValType val;
BSONObj data;
FailPoint::SyncConfig syncConfig;
std::tie(mode, val, data, syncConfig) = uassertStatusOK(FailPoint::parseBSON(cmdObj));
failPoint->setMode(mode, val, data, syncConfig);
warning() << "failpoint: " << failPointName << " set to: " << failPoint->toBSON();
}
FailPointEnableBlock::FailPointEnableBlock(const std::string& failPointName)
: _failPointName(failPointName) {
_failPoint = getGlobalFailPointRegistry()->getFailPoint(failPointName);
invariant(_failPoint != nullptr);
_failPoint->setMode(FailPoint::alwaysOn);
warning() << "failpoint: " << failPointName << " set to: " << _failPoint->toBSON();
}
FailPointEnableBlock::FailPointEnableBlock(const std::string& failPointName, const BSONObj& data)
: _failPointName(failPointName) {
_failPoint = getGlobalFailPointRegistry()->getFailPoint(failPointName);
invariant(_failPoint != nullptr);
_failPoint->setMode(FailPoint::alwaysOn, 0, data);
warning() << "failpoint: " << failPointName << " set to: " << _failPoint->toBSON();
}
FailPointEnableBlock::~FailPointEnableBlock() {
_failPoint->setMode(FailPoint::off);
warning() << "failpoint: " << _failPointName << " set to: " << _failPoint->toBSON();
}
} // namespace mongo
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