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The DtlsSrtpTransport is designed to take DTLS responsibilities from BaseChannel. DtlsSrtpTransport is responsible for exporting keys from DtlsTransport and setting up the wrapped SrtpTransport. The DtlsSrtpTransport is not hooked up to BaseChannel yet in this CL. Bug: webrtc:7013 Change-Id: I318c00dadf9b1e033ec842de6e1536e9227ab713 Reviewed-on: https://webrtc-review.googlesource.com/6700 Commit-Queue: Zhi Huang <zhihuang@webrtc.org> Reviewed-by: Peter Thatcher <pthatcher@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20804}
118 lines
3.6 KiB
C++
118 lines
3.6 KiB
C++
/*
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* Copyright 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef PC_RTPTRANSPORT_H_
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#define PC_RTPTRANSPORT_H_
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#include <string>
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#include "pc/bundlefilter.h"
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#include "pc/rtptransportinternal.h"
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#include "rtc_base/sigslot.h"
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namespace rtc {
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class CopyOnWriteBuffer;
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struct PacketOptions;
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struct PacketTime;
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class PacketTransportInternal;
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} // namespace rtc
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namespace webrtc {
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class RtpTransport : public RtpTransportInternal {
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public:
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RtpTransport(const RtpTransport&) = delete;
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RtpTransport& operator=(const RtpTransport&) = delete;
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explicit RtpTransport(bool rtcp_mux_enabled)
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: rtcp_mux_enabled_(rtcp_mux_enabled) {}
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bool rtcp_mux_enabled() const override { return rtcp_mux_enabled_; }
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void SetRtcpMuxEnabled(bool enable) override;
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rtc::PacketTransportInternal* rtp_packet_transport() const override {
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return rtp_packet_transport_;
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}
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void SetRtpPacketTransport(rtc::PacketTransportInternal* rtp) override;
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rtc::PacketTransportInternal* rtcp_packet_transport() const override {
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return rtcp_packet_transport_;
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}
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void SetRtcpPacketTransport(rtc::PacketTransportInternal* rtcp) override;
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PacketTransportInterface* GetRtpPacketTransport() const override;
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PacketTransportInterface* GetRtcpPacketTransport() const override;
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// TODO(zstein): Use these RtcpParameters for configuration elsewhere.
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RTCError SetParameters(const RtpTransportParameters& parameters) override;
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RtpTransportParameters GetParameters() const override;
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bool IsWritable(bool rtcp) const override;
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bool SendRtpPacket(rtc::CopyOnWriteBuffer* packet,
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const rtc::PacketOptions& options,
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int flags) override;
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bool SendRtcpPacket(rtc::CopyOnWriteBuffer* packet,
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const rtc::PacketOptions& options,
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int flags) override;
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bool HandlesPayloadType(int payload_type) const override;
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void AddHandledPayloadType(int payload_type) override;
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protected:
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// TODO(zstein): Remove this when we remove RtpTransportAdapter.
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RtpTransportAdapter* GetInternal() override;
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private:
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bool HandlesPacket(const uint8_t* data, size_t len);
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void OnReadyToSend(rtc::PacketTransportInternal* transport);
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void OnNetworkRouteChange(rtc::Optional<rtc::NetworkRoute> network_route);
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// Updates "ready to send" for an individual channel and fires
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// SignalReadyToSend.
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void SetReadyToSend(bool rtcp, bool ready);
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void MaybeSignalReadyToSend();
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bool SendPacket(bool rtcp,
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rtc::CopyOnWriteBuffer* packet,
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const rtc::PacketOptions& options,
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int flags);
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void OnReadPacket(rtc::PacketTransportInternal* transport,
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const char* data,
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size_t len,
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const rtc::PacketTime& packet_time,
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int flags);
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bool WantsPacket(bool rtcp, const rtc::CopyOnWriteBuffer* packet);
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bool rtcp_mux_enabled_;
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rtc::PacketTransportInternal* rtp_packet_transport_ = nullptr;
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rtc::PacketTransportInternal* rtcp_packet_transport_ = nullptr;
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bool ready_to_send_ = false;
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bool rtp_ready_to_send_ = false;
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bool rtcp_ready_to_send_ = false;
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RtpTransportParameters parameters_;
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cricket::BundleFilter bundle_filter_;
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};
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} // namespace webrtc
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#endif // PC_RTPTRANSPORT_H_
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