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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::kControl
#include "mongo/platform/basic.h"
#include "mongo/util/log.h"
#include "mongo/logger/console_appender.h"
#include "mongo/logger/message_event_utf8_encoder.h"
#include "mongo/logger/ramlog.h"
#include "mongo/logger/rotatable_file_manager.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/concurrency/thread_name.h"
#include "mongo/util/stacktrace.h"
#include "mongo/util/time_support.h"
// TODO: Win32 unicode console writing (in logger/console_appender?).
// TODO: Extra log context appending, and re-enable log_user_*.js
// TODO: Eliminate cout/cerr.
namespace mongo {
static logger::ExtraLogContextFn _appendExtraLogContext;
Status logger::registerExtraLogContextFn(logger::ExtraLogContextFn contextFn) {
if (!contextFn)
return Status(ErrorCodes::BadValue, "Cannot register a NULL log context function.");
if (_appendExtraLogContext) {
return Status(ErrorCodes::AlreadyInitialized,
"Cannot call registerExtraLogContextFn multiple times.");
}
_appendExtraLogContext = contextFn;
return Status::OK();
}
bool rotateLogs(bool renameFiles) {
using logger::RotatableFileManager;
RotatableFileManager* manager = logger::globalRotatableFileManager();
log() << "Log rotation initiated";
RotatableFileManager::FileNameStatusPairVector result(
manager->rotateAll(renameFiles, "." + terseCurrentTime(false)));
for (RotatableFileManager::FileNameStatusPairVector::iterator it = result.begin();
it != result.end();
it++) {
warning() << "Rotating log file " << it->first << " failed: " << it->second.toString();
}
return result.empty();
}
void logContext(const char* errmsg) {
if (errmsg) {
log() << errmsg << std::endl;
}
// NOTE: We disable long-line truncation for the stack trace, because the JSON representation of
// the stack trace can sometimes exceed the long line limit.
printStackTrace(log().setIsTruncatable(false).stream());
}
void setPlainConsoleLogger() {
logger::globalLogManager()->getGlobalDomain()->clearAppenders();
logger::globalLogManager()->getGlobalDomain()->attachAppender(
std::make_unique<logger::ConsoleAppender<logger::MessageEventEphemeral>>(
std::make_unique<logger::MessageEventUnadornedEncoder>()));
}
Tee* const warnings = RamLog::get("warnings"); // Things put here go in serverStatus
Tee* const startupWarningsLog = RamLog::get("startupWarnings"); // intentionally leaked
} // namespace mongo
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