rocksdb/util/event_logger.cc

47 lines
1.3 KiB
C++

// Copyright (c) 2014, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS
#endif
#include "util/event_logger.h"
#include <inttypes.h>
#include <cassert>
#include <sstream>
#include <string>
#include "util/string_util.h"
namespace rocksdb {
const char* kEventLoggerPrefix = "EVENT_LOG_v1";
EventLoggerStream::EventLoggerStream(Logger* logger)
: logger_(logger), log_buffer_(nullptr), json_writer_(nullptr) {}
EventLoggerStream::EventLoggerStream(LogBuffer* log_buffer)
: logger_(nullptr), log_buffer_(log_buffer), json_writer_(nullptr) {}
EventLoggerStream::~EventLoggerStream() {
if (json_writer_) {
json_writer_->EndObject();
#ifdef ROCKSDB_PRINT_EVENTS_TO_STDOUT
printf("%s\n", json_writer_->Get().c_str());
#else
if (logger_) {
Log(logger_, "%s %s", kEventLoggerPrefix, json_writer_->Get().c_str());
} else if (log_buffer_) {
LogToBuffer(log_buffer_, "%s %s", kEventLoggerPrefix,
json_writer_->Get().c_str());
}
#endif
delete json_writer_;
}
}
} // namespace rocksdb