blob: 7a7957417874c1aceed6a7ac88d881fa886599ef [file] [log] [blame]
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_RENDERER_MEDIA_WEBRTC_LOGGING_MESSAGE_FILTER_H_
#define CHROME_RENDERER_MEDIA_WEBRTC_LOGGING_MESSAGE_FILTER_H_
#include "base/macros.h"
#include "base/single_thread_task_runner.h"
#include "chrome/common/media/webrtc_logging_message_data.h"
#include "ipc/message_filter.h"
class ChromeWebRtcLogMessageDelegate;
// Filter for WebRTC logging messages. Sits between
// ChromeWebRtcLogMessageDelegate (renderer process) and
// WebRtcLoggingHandlerHost (browser process). Must be called on the IO thread.
class WebRtcLoggingMessageFilter : public IPC::MessageFilter {
public:
explicit WebRtcLoggingMessageFilter(
const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner);
virtual void AddLogMessages(
const std::vector<WebRtcLoggingMessageData>& messages);
virtual void LoggingStopped();
const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner() {
return io_task_runner_;
}
protected:
~WebRtcLoggingMessageFilter() override;
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
// Owned by this class. The only other pointer to it is in libjingle's logging
// file. That's a global pointer used on different threads, so we will leak
// this object when we go away to ensure that it outlives any log messages
// coming from libjingle.
// This is protected for unit test purposes.
// TODO(vrk): Remove ChromeWebRtcLogMessageDelegate's pointer to
// WebRtcLoggingMessageFilter so that we can write a unit test that doesn't
// need this accessor.
ChromeWebRtcLogMessageDelegate* log_message_delegate_;
private:
// IPC::MessageFilter implementation.
bool OnMessageReceived(const IPC::Message& message) override;
void OnFilterAdded(IPC::Sender* sender) override;
void OnFilterRemoved() override;
void OnChannelClosing() override;
void CreateLoggingHandler();
void OnStartLogging();
void OnStopLogging();
void Send(IPC::Message* message);
IPC::Sender* sender_;
DISALLOW_COPY_AND_ASSIGN(WebRtcLoggingMessageFilter);
};
#endif // CHROME_RENDERER_MEDIA_WEBRTC_LOGGING_MESSAGE_FILTER_H_