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// write_conflict_exception.cpp
/**
* 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::kWrite
#include "mongo/db/concurrency/write_conflict_exception.h"
#include "mongo/db/server_parameters.h"
#include "mongo/util/log.h"
#include "mongo/util/log_and_backoff.h"
#include "mongo/util/stacktrace.h"
namespace mongo {
AtomicWord<bool> WriteConflictException::trace(false);
WriteConflictException::WriteConflictException()
: DBException(Status(ErrorCodes::WriteConflict, "WriteConflict")) {
if (trace.load()) {
printStackTrace();
}
}
void WriteConflictException::logAndBackoff(int attempt, StringData operation, StringData ns) {
mongo::logAndBackoff(
::mongo::logger::LogComponent::kWrite,
logger::LogSeverity::Debug(1),
static_cast<size_t>(attempt),
str::stream() << "Caught WriteConflictException doing " << operation << " on " << ns);
}
namespace {
// for WriteConflictException
ExportedServerParameter<bool, ServerParameterType::kStartupAndRuntime> TraceWCExceptionsSetting(
ServerParameterSet::getGlobal(),
"traceWriteConflictExceptions",
&WriteConflictException::trace);
}
}
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