1/*
2 *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 *
10 */
11
12#ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_BYE_H_
13#define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_BYE_H_
14
15#include <string>
16#include <vector>
17
18#include "webrtc/modules/rtp_rtcp/source/rtcp_packet.h"
19#include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h"
20
21namespace webrtc {
22namespace rtcp {
23
24class Bye : public RtcpPacket {
25 public:
26  static const uint8_t kPacketType = 203;
27
28  Bye();
29  virtual ~Bye() {}
30
31  // Parse assumes header is already parsed and validated.
32  bool Parse(const RTCPUtility::RtcpCommonHeader& header,
33             const uint8_t* payload);  // Size of the payload is in the header.
34
35  void From(uint32_t ssrc) { sender_ssrc_ = ssrc; }
36  bool WithCsrc(uint32_t csrc);
37  void WithReason(const std::string& reason);
38
39  uint32_t sender_ssrc() const { return sender_ssrc_; }
40  const std::vector<uint32_t>& csrcs() const { return csrcs_; }
41  const std::string& reason() const { return reason_; }
42
43 protected:
44  bool Create(uint8_t* packet,
45              size_t* index,
46              size_t max_length,
47              RtcpPacket::PacketReadyCallback* callback) const override;
48
49 private:
50  static const int kMaxNumberOfCsrcs = 0x1f - 1;  // First item is sender SSRC.
51
52  size_t BlockLength() const override;
53
54  uint32_t sender_ssrc_;
55  std::vector<uint32_t> csrcs_;
56  std::string reason_;
57
58  RTC_DISALLOW_COPY_AND_ASSIGN(Bye);
59};
60
61}  // namespace rtcp
62}  // namespace webrtc
63#endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_BYE_H_
64