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// Copyright 2014 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_CAST_IPC_DISPATCHER_H_
#define CHROME_RENDERER_MEDIA_CAST_IPC_DISPATCHER_H_
#include <stdint.h>
#include "base/callback.h"
#include "base/id_map.h"
#include "base/macros.h"
#include "base/threading/thread_task_runner_handle.h"
#include "ipc/ipc_channel_proxy.h"
#include "ipc/message_filter.h"
#include "media/cast/cast_sender.h"
#include "media/cast/logging/logging_defines.h"
#include "media/cast/net/cast_transport.h"
class CastTransportIPC;
// This dispatcher listens to incoming IPC messages and sends
// the call to the correct CastTransportIPC instance.
class CastIPCDispatcher : public IPC::MessageFilter {
public:
explicit CastIPCDispatcher(
const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner);
static CastIPCDispatcher* Get();
void Send(IPC::Message* message);
int32_t AddSender(CastTransportIPC* sender);
void RemoveSender(int32_t channel_id);
// IPC::MessageFilter implementation
bool OnMessageReceived(const IPC::Message& message) override;
void OnFilterAdded(IPC::Sender* sender) override;
void OnFilterRemoved() override;
void OnChannelClosing() override;
protected:
~CastIPCDispatcher() override;
private:
void OnNotifyStatusChange(int32_t channel_id,
media::cast::CastTransportStatus status);
void OnRtpStatistics(int32_t channel_id,
bool audio,
const media::cast::RtcpSenderInfo& sender_info,
base::TimeTicks time_sent,
uint32_t rtp_timestamp);
void OnRawEvents(int32_t channel_id,
const std::vector<media::cast::PacketEvent>& packet_events,
const std::vector<media::cast::FrameEvent>& frame_events);
void OnRtt(int32_t channel_id, uint32_t ssrc, base::TimeDelta rtt);
void OnRtcpCastMessage(int32_t channel_id,
uint32_t ssrc,
const media::cast::RtcpCastMessage& cast_message);
void OnReceivedPli(int32_t channel_id, int32_t ssrc);
void OnReceivedPacket(int32_t channel_id, const media::cast::Packet& packet);
static CastIPCDispatcher* global_instance_;
// For IPC Send(); must only be accesed on |io_message_loop_|.
IPC::Sender* sender_;
// Task runner on which IPC calls are driven.
const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
// A map of stream ids to delegates; must only be accessed on
// |io_message_loop_|.
IDMap<CastTransportIPC> id_map_;
DISALLOW_COPY_AND_ASSIGN(CastIPCDispatcher);
};
#endif // CHROME_RENDERER_MEDIA_CAST_IPC_DISPATCHER_H_