blob: 0c7140690241d808740a1940e749189e9e64c5c2 [file] [log] [blame]
/*
* Copyright (c) 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 LOGGING_RTC_EVENT_LOG_RTC_EVENT_LOG_H_
#define LOGGING_RTC_EVENT_LOG_RTC_EVENT_LOG_H_
#include <memory>
#include <string>
#include <utility>
#include "api/rtceventlogoutput.h"
#include "logging/rtc_event_log/events/rtc_event.h"
#include "rtc_base/task_queue.h"
namespace webrtc {
// TODO(terelius): Move this to the parser.
enum PacketDirection { kIncomingPacket = 0, kOutgoingPacket };
class RtcEventLog {
public:
enum : size_t { kUnlimitedOutput = 0 };
enum : int64_t { kImmediateOutput = 0 };
// TODO(eladalon): Two stages are upcoming.
// 1. Extend this to actually support the new encoding.
// 2. Get rid of the legacy encoding, allowing us to get rid of this enum.
enum class EncodingType { Legacy };
virtual ~RtcEventLog() {}
// Factory method to create an RtcEventLog object.
static std::unique_ptr<RtcEventLog> Create(EncodingType encoding_type);
// Factory method to create an RtcEventLog object which uses the given
// rtc::TaskQueue for emitting output.
static std::unique_ptr<RtcEventLog> Create(
EncodingType encoding_type,
std::unique_ptr<rtc::TaskQueue> task_queue);
// Create an RtcEventLog object that does nothing.
static std::unique_ptr<RtcEventLog> CreateNull();
// Starts logging to a given output. The output might be limited in size,
// and may close itself once it has reached the maximum size.
virtual bool StartLogging(std::unique_ptr<RtcEventLogOutput> output,
int64_t output_period_ms) = 0;
// Stops logging to file and waits until the file has been closed, after
// which it would be permissible to read and/or modify it.
virtual void StopLogging() = 0;
// Log an RTC event (the type of event is determined by the subclass).
virtual void Log(std::unique_ptr<RtcEvent> event) = 0;
};
// No-op implementation is used if flag is not set, or in tests.
class RtcEventLogNullImpl : public RtcEventLog {
public:
bool StartLogging(std::unique_ptr<RtcEventLogOutput> output,
int64_t output_period_ms) override;
void StopLogging() override {}
void Log(std::unique_ptr<RtcEvent> event) override {}
};
} // namespace webrtc
#endif // LOGGING_RTC_EVENT_LOG_RTC_EVENT_LOG_H_