media/cast/logging/logging_impl.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 #ifndef MEDIA_CAST_LOGGING_LOGGING_IMPL_H_
   5 #define MEDIA_CAST_LOGGING_LOGGING_IMPL_H_
   6
   7 // Generic class that handles event logging for the cast library.
   8 // Logging has three possible optional forms:
   9 // 1. Raw data and stats accessible by the application.
  10 // 2. Tracing of raw events.
  11
  12 #include "base/memory/ref_counted.h"
  13 #include "base/single_thread_task_runner.h"
  14 #include "media/cast/cast_config.h"
  15 #include "media/cast/logging/logging_defines.h"
  16 #include "media/cast/logging/logging_raw.h"
  17 #include "media/cast/logging/logging_stats.h"
  18
  19 namespace media {
  20 namespace cast {
  21
  22 // Should only be called from the main thread.
  23 class LoggingImpl : public base::NonThreadSafe {
  24  public:
  25   LoggingImpl(scoped_refptr<base::SingleThreadTaskRunner> main_thread_proxy,
  26               const CastLoggingConfig& config);
  27
  28   ~LoggingImpl();
  29
  30   void InsertFrameEvent(const base::TimeTicks& time_of_event,
  31                         CastLoggingEvent event, uint32 rtp_timestamp,
  32                         uint32 frame_id);
  33
  34   void InsertFrameEventWithSize(const base::TimeTicks& time_of_event,
  35                                 CastLoggingEvent event, uint32 rtp_timestamp,
  36                                 uint32 frame_id, int frame_size);
  37
  38   void InsertFrameEventWithDelay(const base::TimeTicks& time_of_event,
  39                                  CastLoggingEvent event, uint32 rtp_timestamp,
  40                                  uint32 frame_id, base::TimeDelta delay);
  41
  42   void InsertPacketListEvent(const base::TimeTicks& time_of_event,
  43                              CastLoggingEvent event, const PacketList& packets);
  44
  45   void InsertPacketEvent(const base::TimeTicks& time_of_event,
  46                          CastLoggingEvent event, uint32 rtp_timestamp,
  47                          uint32 frame_id, uint16 packet_id,
  48                          uint16 max_packet_id, size_t size);
  49
  50   void InsertGenericEvent(const base::TimeTicks& time_of_event,
  51                           CastLoggingEvent event, int value);
  52
  53
  54   // Delegates to |LoggingRaw::AddRawEventSubscriber()|.
  55   void AddRawEventSubscriber(RawEventSubscriber* subscriber);
  56
  57   // Delegates to |LoggingRaw::RemoveRawEventSubscriber()|.
  58   void RemoveRawEventSubscriber(RawEventSubscriber* subscriber);
  59
  60   // Get stats only.
  61   FrameStatsMap GetFrameStatsData() const;
  62   PacketStatsMap GetPacketStatsData() const;
  63   GenericStatsMap GetGenericStatsData() const;
  64
  65   // Reset stats logging data.
  66   void ResetStats();
  67
  68  private:
  69   scoped_refptr<base::SingleThreadTaskRunner> main_thread_proxy_;
  70   const CastLoggingConfig config_;
  71   LoggingRaw raw_;
  72   LoggingStats stats_;
  73
  74   DISALLOW_COPY_AND_ASSIGN(LoggingImpl);
  75 };
  76
  77 }  // namespace cast
  78 }  // namespace media
  79
  80 #endif  // MEDIA_CAST_LOGGING_LOGGING_IMPL_H_