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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
#define MONGO_LOGV2_DEFAULT_COMPONENT mongo::logv2::LogComponent::kControl
#include "mongo/platform/basic.h"
#include "mongo/logv2/log.h"
#include "mongo/util/log.h"
#include "mongo/config.h"
#include "mongo/db/server_options.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/logv2/log_domain.h"
#include "mongo/logv2/log_domain_global.h"
#include "mongo/logv2/log_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 {
#if defined(MONGO_CONFIG_LOGV1_DEFAULT)
static bool _logV2Enabled = false;
#else
static bool _logV2Enabled = true;
#endif
bool logV2Enabled() {
return _logV2Enabled;
}
bool logV2IsJson(logv2::LogFormat format) {
return format == logv2::LogFormat::kJson
#if !defined(MONGO_CONFIG_TEXT_LOG_DEFAULT)
|| format == logv2::LogFormat::kDefault
#endif
;
}
void logV2Set(bool setting) {
_logV2Enabled = setting;
}
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) {
// Rotate on both logv1 and logv2 so all files that need rotation gets rotated
LOGV2(23166, "Log rotation initiated");
std::string suffix = "." + terseCurrentTime(false);
Status resultv2 =
logv2::LogManager::global().getGlobalDomainInternal().rotate(renameFiles, suffix);
if (!resultv2.isOK())
LOGV2_WARNING(23168, "Log rotation failed: {resultv2}", "resultv2"_attr = resultv2);
using logger::RotatableFileManager;
RotatableFileManager* manager = logger::globalRotatableFileManager();
RotatableFileManager::FileNameStatusPairVector result(manager->rotateAll(renameFiles, suffix));
for (RotatableFileManager::FileNameStatusPairVector::iterator it = result.begin();
it != result.end();
it++) {
LOGV2_WARNING(23169,
"Rotating log file {it_first} failed: {it_second}",
"it_first"_attr = it->first,
"it_second"_attr = it->second.toString());
}
return resultv2.isOK() && result.empty();
}
void logContext(const char* errmsg) {
if (errmsg) {
LOGV2(23167, "{errmsg}", "errmsg"_attr = errmsg);
}
// 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 startupWarningsLog = RamLog::get("startupWarnings"); // intentionally leaked
} // namespace mongo
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