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 MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_BYE_H_
13 #define MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_BYE_H_
14 
15 #include <string>
16 #include <vector>
17 
18 #include "modules/rtp_rtcp/source/rtcp_packet.h"
19 
20 namespace webrtc {
21 namespace rtcp {
22 class CommonHeader;
23 
24 class Bye : public RtcpPacket {
25  public:
26   static constexpr uint8_t kPacketType = 203;
27 
28   Bye();
29   ~Bye() override;
30 
31   // Parse assumes header is already parsed and validated.
32   bool Parse(const CommonHeader& packet);
33 
SetSenderSsrc(uint32_t ssrc)34   void SetSenderSsrc(uint32_t ssrc) { sender_ssrc_ = ssrc; }
35   bool SetCsrcs(std::vector<uint32_t> csrcs);
36   void SetReason(std::string reason);
37 
sender_ssrc()38   uint32_t sender_ssrc() const { return sender_ssrc_; }
csrcs()39   const std::vector<uint32_t>& csrcs() const { return csrcs_; }
reason()40   const std::string& reason() const { return reason_; }
41 
42   size_t BlockLength() const override;
43 
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   uint32_t sender_ssrc_;
53   std::vector<uint32_t> csrcs_;
54   std::string reason_;
55 };
56 
57 }  // namespace rtcp
58 }  // namespace webrtc
59 #endif  // MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_BYE_H_
60