c20978e581
NOPRESUBMIT=True # cpplint errors that aren't caused by this CL. NOTRY=True NOTREECHECKS=True TBR=kwiberg@webrtc.org, kjellander@webrtc.org Bug: webrtc:7634 Change-Id: I3cca0fbaa807b563c95979cccd6d1bec32055f36 Reviewed-on: https://chromium-review.googlesource.com/562156 Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#18919}
110 lines
4.3 KiB
C++
110 lines
4.3 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 WEBRTC_ORTC_RTPTRANSPORTADAPTER_H_
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#define WEBRTC_ORTC_RTPTRANSPORTADAPTER_H_
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#include <memory>
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#include <vector>
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#include "webrtc/api/ortc/srtptransportinterface.h"
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#include "webrtc/api/rtcerror.h"
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#include "webrtc/media/base/streamparams.h"
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#include "webrtc/ortc/rtptransportcontrolleradapter.h"
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#include "webrtc/pc/channel.h"
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#include "webrtc/rtc_base/constructormagic.h"
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#include "webrtc/rtc_base/sigslot.h"
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namespace webrtc {
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// Implementation of SrtpTransportInterface to be used with RtpSenderAdapter,
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// RtpReceiverAdapter, and RtpTransportControllerAdapter classes. This class
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// is used to implement both a secure and insecure RTP transport.
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//
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// TODO(deadbeef): When BaseChannel is split apart into separate
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// "RtpTransport"/"RtpTransceiver"/"RtpSender"/"RtpReceiver" objects, this
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// adapter object can be removed.
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class RtpTransportAdapter : public SrtpTransportInterface {
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public:
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// |rtp| can't be null. |rtcp| can if RTCP muxing is used immediately (meaning
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// |rtcp_parameters.mux| is also true).
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static RTCErrorOr<std::unique_ptr<RtpTransportInterface>> CreateProxied(
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const RtcpParameters& rtcp_parameters,
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PacketTransportInterface* rtp,
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PacketTransportInterface* rtcp,
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RtpTransportControllerAdapter* rtp_transport_controller);
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static RTCErrorOr<std::unique_ptr<SrtpTransportInterface>> CreateSrtpProxied(
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const RtcpParameters& rtcp_parameters,
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PacketTransportInterface* rtp,
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PacketTransportInterface* rtcp,
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RtpTransportControllerAdapter* rtp_transport_controller);
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~RtpTransportAdapter() override;
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// RtpTransportInterface implementation.
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PacketTransportInterface* GetRtpPacketTransport() const override;
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PacketTransportInterface* GetRtcpPacketTransport() const override;
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RTCError SetRtcpParameters(const RtcpParameters& parameters) override;
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RtcpParameters GetRtcpParameters() const override { return rtcp_parameters_; }
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// SRTP specific implementation.
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RTCError SetSrtpSendKey(const cricket::CryptoParams& params) override;
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RTCError SetSrtpReceiveKey(const cricket::CryptoParams& params) override;
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// Methods used internally by OrtcFactory.
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RtpTransportControllerAdapter* rtp_transport_controller() {
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return rtp_transport_controller_;
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}
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void TakeOwnershipOfRtpTransportController(
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std::unique_ptr<RtpTransportControllerInterface> controller);
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// Used by RtpTransportControllerAdapter to tell when it should stop
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// returning this transport from GetTransports().
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sigslot::signal1<RtpTransportAdapter*> SignalDestroyed;
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// Used by the RtpTransportControllerAdapter to tell if an rtp sender or
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// receiver can be created.
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bool is_srtp_transport() { return is_srtp_transport_; }
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// Used by the RtpTransportControllerAdapter to set keys for senders and
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// receivers.
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rtc::Optional<cricket::CryptoParams> send_key() { return send_key_; }
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rtc::Optional<cricket::CryptoParams> receive_key() { return receive_key_; }
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protected:
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RtpTransportAdapter* GetInternal() override { return this; }
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private:
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RtpTransportAdapter(const RtcpParameters& rtcp_parameters,
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PacketTransportInterface* rtp,
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PacketTransportInterface* rtcp,
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RtpTransportControllerAdapter* rtp_transport_controller,
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bool is_srtp_transport);
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PacketTransportInterface* rtp_packet_transport_;
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PacketTransportInterface* rtcp_packet_transport_;
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RtpTransportControllerAdapter* rtp_transport_controller_;
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// Non-null if this class owns the transport controller.
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std::unique_ptr<RtpTransportControllerInterface>
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owned_rtp_transport_controller_;
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RtcpParameters rtcp_parameters_;
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// SRTP specific members.
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rtc::Optional<cricket::CryptoParams> send_key_;
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rtc::Optional<cricket::CryptoParams> receive_key_;
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bool is_srtp_transport_;
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RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(RtpTransportAdapter);
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};
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} // namespace webrtc
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#endif // WEBRTC_ORTC_RTPTRANSPORTADAPTER_H_
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