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/*
* Copyright 2015 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_LOG_SINKS_H_
#define RTC_BASE_LOG_SINKS_H_
#include <stddef.h>
#include <memory>
#include <string>
#include "absl/strings/string_view.h"
#include "rtc_base/file_rotating_stream.h"
#include "rtc_base/logging.h"
namespace webrtc {
// Log sink that uses a FileRotatingStream to write to disk.
// Init() must be called before adding this sink.
class FileRotatingLogSink : public LogSink {
public:
// `num_log_files` must be greater than 1 and `max_log_size` must be greater
// than 0.
FileRotatingLogSink(absl::string_view log_dir_path,
absl::string_view log_prefix,
size_t max_log_size,
size_t num_log_files);
~FileRotatingLogSink() override;
FileRotatingLogSink(const FileRotatingLogSink&) = delete;
FileRotatingLogSink& operator=(const FileRotatingLogSink&) = delete;
// Writes the message to the current file. It will spill over to the next
// file if needed.
void OnLogMessage(const std::string& message) override;
void OnLogMessage(absl::string_view message) override;
void OnLogMessage(const std::string& message,
LoggingSeverity sev,
const char* tag) override;
void OnLogMessage(absl::string_view message,
LoggingSeverity sev,
const char* tag) override;
// Deletes any existing files in the directory and creates a new log file.
virtual bool Init();
// Disables buffering on the underlying stream.
bool DisableBuffering();
protected:
explicit FileRotatingLogSink(FileRotatingStream* stream);
private:
std::unique_ptr<FileRotatingStream> stream_;
};
// Log sink that uses a CallSessionFileRotatingStream to write to disk.
// Init() must be called before adding this sink.
class CallSessionFileRotatingLogSink : public FileRotatingLogSink {
public:
CallSessionFileRotatingLogSink(absl::string_view log_dir_path,
size_t max_total_log_size);
~CallSessionFileRotatingLogSink() override;
CallSessionFileRotatingLogSink(const CallSessionFileRotatingLogSink&) =
delete;
CallSessionFileRotatingLogSink& operator=(
const CallSessionFileRotatingLogSink&) = delete;
};
} // namespace webrtc
// Re-export symbols from the webrtc namespace for backwards compatibility.
// TODO(bugs.webrtc.org/4222596): Remove once all references are updated.
#ifdef WEBRTC_ALLOW_DEPRECATED_NAMESPACES
namespace rtc {
using ::webrtc::CallSessionFileRotatingLogSink;
using ::webrtc::FileRotatingLogSink;
} // namespace rtc
#endif // WEBRTC_ALLOW_DEPRECATED_NAMESPACES
#endif // RTC_BASE_LOG_SINKS_H_
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