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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#include "logging/event_logger.h"
#include <cassert>
#include <cinttypes>
#include <sstream>
#include <string>
#include "util/string_util.h"
namespace ROCKSDB_NAMESPACE {
EventLoggerStream::EventLoggerStream(Logger* logger)
: logger_(logger),
log_buffer_(nullptr),
max_log_size_(0),
json_writer_(nullptr) {}
EventLoggerStream::EventLoggerStream(LogBuffer* log_buffer,
const size_t max_log_size)
: logger_(nullptr),
log_buffer_(log_buffer),
max_log_size_(max_log_size),
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_) {
EventLogger::Log(logger_, *json_writer_);
} else if (log_buffer_) {
assert(max_log_size_);
EventLogger::LogToBuffer(log_buffer_, *json_writer_, max_log_size_);
}
#endif
delete json_writer_;
}
}
void EventLogger::Log(const JSONWriter& jwriter) { Log(logger_, jwriter); }
void EventLogger::Log(Logger* logger, const JSONWriter& jwriter) {
#ifdef ROCKSDB_PRINT_EVENTS_TO_STDOUT
printf("%s\n", jwriter.Get().c_str());
#else
ROCKSDB_NAMESPACE::Log(logger, "%s %s", Prefix(), jwriter.Get().c_str());
#endif
}
void EventLogger::LogToBuffer(LogBuffer* log_buffer, const JSONWriter& jwriter,
const size_t max_log_size) {
#ifdef ROCKSDB_PRINT_EVENTS_TO_STDOUT
printf("%s\n", jwriter.Get().c_str());
#else
assert(log_buffer);
ROCKSDB_NAMESPACE::LogToBuffer(log_buffer, max_log_size, "%s %s", Prefix(),
jwriter.Get().c_str());
#endif
}
} // namespace ROCKSDB_NAMESPACE
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