zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 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 | |
Steve Anton | 10542f2 | 2019-01-11 09:11:00 -0800 | [diff] [blame^] | 11 | #ifndef PC_RTP_TRANSPORT_H_ |
| 12 | #define PC_RTP_TRANSPORT_H_ |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 13 | |
Zhi Huang | 942bc2e | 2017-11-13 13:26:07 -0800 | [diff] [blame] | 14 | #include <string> |
| 15 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 16 | #include "call/rtp_demuxer.h" |
| 17 | #include "modules/rtp_rtcp/include/rtp_header_extension_map.h" |
Steve Anton | 10542f2 | 2019-01-11 09:11:00 -0800 | [diff] [blame^] | 18 | #include "pc/rtp_transport_internal.h" |
Artem Titov | e41c433 | 2018-07-25 15:04:28 +0200 | [diff] [blame] | 19 | #include "rtc_base/third_party/sigslot/sigslot.h" |
zstein | d9ce764 | 2017-04-10 16:17:57 -0700 | [diff] [blame] | 20 | |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 21 | namespace rtc { |
| 22 | |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 23 | class CopyOnWriteBuffer; |
| 24 | struct PacketOptions; |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 25 | class PacketTransportInternal; |
| 26 | |
| 27 | } // namespace rtc |
| 28 | |
| 29 | namespace webrtc { |
| 30 | |
zstein | 398c3fd | 2017-07-19 13:38:02 -0700 | [diff] [blame] | 31 | class RtpTransport : public RtpTransportInternal { |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 32 | public: |
| 33 | RtpTransport(const RtpTransport&) = delete; |
| 34 | RtpTransport& operator=(const RtpTransport&) = delete; |
| 35 | |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 36 | explicit RtpTransport(bool rtcp_mux_enabled) |
| 37 | : rtcp_mux_enabled_(rtcp_mux_enabled) {} |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 38 | |
Zhi Huang | f2d7beb | 2017-11-20 14:35:11 -0800 | [diff] [blame] | 39 | bool rtcp_mux_enabled() const override { return rtcp_mux_enabled_; } |
zstein | 398c3fd | 2017-07-19 13:38:02 -0700 | [diff] [blame] | 40 | void SetRtcpMuxEnabled(bool enable) override; |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 41 | |
zstein | 398c3fd | 2017-07-19 13:38:02 -0700 | [diff] [blame] | 42 | rtc::PacketTransportInternal* rtp_packet_transport() const override { |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 43 | return rtp_packet_transport_; |
| 44 | } |
zstein | 398c3fd | 2017-07-19 13:38:02 -0700 | [diff] [blame] | 45 | void SetRtpPacketTransport(rtc::PacketTransportInternal* rtp) override; |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 46 | |
zstein | 398c3fd | 2017-07-19 13:38:02 -0700 | [diff] [blame] | 47 | rtc::PacketTransportInternal* rtcp_packet_transport() const override { |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 48 | return rtcp_packet_transport_; |
| 49 | } |
zstein | 398c3fd | 2017-07-19 13:38:02 -0700 | [diff] [blame] | 50 | void SetRtcpPacketTransport(rtc::PacketTransportInternal* rtcp) override; |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 51 | |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 52 | PacketTransportInterface* GetRtpPacketTransport() const override { |
| 53 | return rtp_packet_transport_; |
| 54 | } |
| 55 | PacketTransportInterface* GetRtcpPacketTransport() const override { |
| 56 | return rtcp_packet_transport_; |
| 57 | } |
zstein | d9ce764 | 2017-04-10 16:17:57 -0700 | [diff] [blame] | 58 | |
| 59 | // TODO(zstein): Use these RtcpParameters for configuration elsewhere. |
sprang | db2a9fc | 2017-08-09 06:42:32 -0700 | [diff] [blame] | 60 | RTCError SetParameters(const RtpTransportParameters& parameters) override; |
| 61 | RtpTransportParameters GetParameters() const override; |
zstein | d9ce764 | 2017-04-10 16:17:57 -0700 | [diff] [blame] | 62 | |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 63 | bool IsReadyToSend() const override { return ready_to_send_; } |
| 64 | |
zstein | 398c3fd | 2017-07-19 13:38:02 -0700 | [diff] [blame] | 65 | bool IsWritable(bool rtcp) const override; |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 66 | |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 67 | bool SendRtpPacket(rtc::CopyOnWriteBuffer* packet, |
| 68 | const rtc::PacketOptions& options, |
| 69 | int flags) override; |
| 70 | |
| 71 | bool SendRtcpPacket(rtc::CopyOnWriteBuffer* packet, |
| 72 | const rtc::PacketOptions& options, |
| 73 | int flags) override; |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 74 | |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 75 | bool IsSrtpActive() const override { return false; } |
zstein | 3dcf0e9 | 2017-06-01 13:22:42 -0700 | [diff] [blame] | 76 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 77 | void UpdateRtpHeaderExtensionMap( |
| 78 | const cricket::RtpHeaderExtensions& header_extensions) override; |
| 79 | |
| 80 | bool RegisterRtpDemuxerSink(const RtpDemuxerCriteria& criteria, |
| 81 | RtpPacketSinkInterface* sink) override; |
| 82 | |
| 83 | bool UnregisterRtpDemuxerSink(RtpPacketSinkInterface* sink) override; |
| 84 | |
zstein | d9ce764 | 2017-04-10 16:17:57 -0700 | [diff] [blame] | 85 | protected: |
| 86 | // TODO(zstein): Remove this when we remove RtpTransportAdapter. |
| 87 | RtpTransportAdapter* GetInternal() override; |
| 88 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 89 | // These methods will be used in the subclasses. |
Niels Möller | e693381 | 2018-11-05 13:01:41 +0100 | [diff] [blame] | 90 | void DemuxPacket(rtc::CopyOnWriteBuffer* packet, int64_t packet_time_us); |
Zhi Huang | 95e7dbb | 2018-03-29 00:08:03 +0000 | [diff] [blame] | 91 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 92 | bool SendPacket(bool rtcp, |
| 93 | rtc::CopyOnWriteBuffer* packet, |
| 94 | const rtc::PacketOptions& options, |
| 95 | int flags); |
| 96 | |
| 97 | // Overridden by SrtpTransport. |
| 98 | virtual void OnNetworkRouteChanged( |
Danil Chapovalov | 66cadcc | 2018-06-19 16:47:43 +0200 | [diff] [blame] | 99 | absl::optional<rtc::NetworkRoute> network_route); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 100 | virtual void OnRtpPacketReceived(rtc::CopyOnWriteBuffer* packet, |
Niels Möller | e693381 | 2018-11-05 13:01:41 +0100 | [diff] [blame] | 101 | int64_t packet_time_us); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 102 | virtual void OnRtcpPacketReceived(rtc::CopyOnWriteBuffer* packet, |
Niels Möller | e693381 | 2018-11-05 13:01:41 +0100 | [diff] [blame] | 103 | int64_t packet_time_us); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 104 | // Overridden by SrtpTransport and DtlsSrtpTransport. |
| 105 | virtual void OnWritableState(rtc::PacketTransportInternal* packet_transport); |
| 106 | |
| 107 | private: |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 108 | void OnReadyToSend(rtc::PacketTransportInternal* transport); |
Zhi Huang | cd3fc5d | 2017-11-29 10:41:57 -0800 | [diff] [blame] | 109 | void OnSentPacket(rtc::PacketTransportInternal* packet_transport, |
| 110 | const rtc::SentPacket& sent_packet); |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 111 | void OnReadPacket(rtc::PacketTransportInternal* transport, |
| 112 | const char* data, |
| 113 | size_t len, |
Niels Möller | e693381 | 2018-11-05 13:01:41 +0100 | [diff] [blame] | 114 | const int64_t& packet_time_us, |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 115 | int flags); |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 116 | |
| 117 | // Updates "ready to send" for an individual channel and fires |
| 118 | // SignalReadyToSend. |
| 119 | void SetReadyToSend(bool rtcp, bool ready); |
| 120 | |
| 121 | void MaybeSignalReadyToSend(); |
| 122 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 123 | bool IsTransportWritable(); |
Zhi Huang | 95e7dbb | 2018-03-29 00:08:03 +0000 | [diff] [blame] | 124 | |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 125 | // SRTP specific methods. |
| 126 | // TODO(zhihuang): Improve the inheritance model so that the RtpTransport |
| 127 | // doesn't need to implement SRTP specfic methods. |
Zhi Huang | e830e68 | 2018-03-30 10:48:35 -0700 | [diff] [blame] | 128 | RTCError SetSrtpSendKey(const cricket::CryptoParams& params) override { |
| 129 | RTC_NOTREACHED(); |
| 130 | return RTCError::OK(); |
| 131 | } |
| 132 | RTCError SetSrtpReceiveKey(const cricket::CryptoParams& params) override { |
| 133 | RTC_NOTREACHED(); |
| 134 | return RTCError::OK(); |
| 135 | } |
| 136 | |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 137 | bool rtcp_mux_enabled_; |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 138 | |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 139 | rtc::PacketTransportInternal* rtp_packet_transport_ = nullptr; |
| 140 | rtc::PacketTransportInternal* rtcp_packet_transport_ = nullptr; |
zstein | d9ce764 | 2017-04-10 16:17:57 -0700 | [diff] [blame] | 141 | |
zstein | 56162b9 | 2017-04-24 16:54:35 -0700 | [diff] [blame] | 142 | bool ready_to_send_ = false; |
| 143 | bool rtp_ready_to_send_ = false; |
| 144 | bool rtcp_ready_to_send_ = false; |
| 145 | |
sprang | db2a9fc | 2017-08-09 06:42:32 -0700 | [diff] [blame] | 146 | RtpTransportParameters parameters_; |
Zhi Huang | 365381f | 2018-04-13 16:44:34 -0700 | [diff] [blame] | 147 | RtpDemuxer rtp_demuxer_; |
| 148 | |
| 149 | // Used for identifying the MID for RtpDemuxer. |
| 150 | RtpHeaderExtensionMap header_extension_map_; |
zstein | d48dbda | 2017-04-04 19:45:57 -0700 | [diff] [blame] | 151 | }; |
| 152 | |
| 153 | } // namespace webrtc |
| 154 | |
Steve Anton | 10542f2 | 2019-01-11 09:11:00 -0800 | [diff] [blame^] | 155 | #endif // PC_RTP_TRANSPORT_H_ |