chrome/renderer/media/chrome_webrtc_log_message_delegate.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_RENDERER_MEDIA_CHROME_WEBRTC_LOG_MESSAGE_DELEGATE_H_
   6 #define CHROME_RENDERER_MEDIA_CHROME_WEBRTC_LOG_MESSAGE_DELEGATE_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/shared_memory.h"
  11 #include "chrome/common/media/webrtc_logging_message_data.h"
  12 #include "content/public/renderer/webrtc_log_message_delegate.h"
  13 #include "ipc/ipc_channel_proxy.h"
  14
  15 namespace base {
  16 class MessageLoopProxy;
  17 }
  18
  19 class PartialCircularBuffer;
  20 class WebRtcLoggingMessageFilter;
  21
  22 // ChromeWebRtcLogMessageDelegate handles WebRTC logging. There is one object
  23 // per render process, owned by WebRtcLoggingMessageFilter. It communicates with
  24 // WebRtcLoggingHandlerHost and receives logging messages from libjingle and
  25 // writes them to a shared memory buffer.
  26 class ChromeWebRtcLogMessageDelegate
  27     : public content::WebRtcLogMessageDelegate,
  28       public base::NonThreadSafe {
  29  public:
  30   ChromeWebRtcLogMessageDelegate(
  31       const scoped_refptr<base::MessageLoopProxy>& io_message_loop,
  32       WebRtcLoggingMessageFilter* message_filter);
  33
  34   ~ChromeWebRtcLogMessageDelegate() override;
  35
  36   // content::WebRtcLogMessageDelegate implementation.
  37   void LogMessage(const std::string& message) override;
  38
  39   void OnFilterRemoved();
  40
  41   void OnStartLogging();
  42   void OnStopLogging();
  43
  44  private:
  45   void LogMessageOnIOThread(const WebRtcLoggingMessageData& message);
  46   void SendLogBuffer();
  47
  48   scoped_refptr<base::MessageLoopProxy> io_message_loop_;
  49   bool logging_started_;
  50   std::vector<WebRtcLoggingMessageData> log_buffer_;
  51
  52   base::TimeTicks last_log_buffer_send_;
  53
  54   WebRtcLoggingMessageFilter* message_filter_;
  55
  56   DISALLOW_COPY_AND_ASSIGN(ChromeWebRtcLogMessageDelegate);
  57 };
  58
  59 #endif  // CHROME_RENDERER_MEDIA_CHROME_WEBRTC_LOG_MESSAGE_DELEGATE_H_