942bc2e4b9
|packet_overhead| field is added to rtc::NetworkRoute structure. In PackTransportInternal: 1. network_route() is added which returns the current network route. 2. debug_name() is removed. 3. transport_name() is moved from DtlsTransportInternal and IceTransportInternal to PacketTransportInternal. When the selected candidate pair is changed, the P2PTransportChannel will fire the SignalNetworkRouteChanged instead of SignalSelectedCandidatePairChanged to upper layers. The Rtp/SrtpTransport takes the responsibility of calculating the transport overhead from the BaseChannel so that the BaseChannel doesn't need to depend on P2P layer transports. TBR=pthatcher@webrtc.org Bug: webrtc:7013 Change-Id: If9928b25a7259544c2d9c42048b53ab24292fc67 Reviewed-on: https://webrtc-review.googlesource.com/22767 Reviewed-by: Zhi Huang <zhihuang@webrtc.org> Commit-Queue: Zhi Huang <zhihuang@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20664}
134 lines
4.5 KiB
C++
134 lines
4.5 KiB
C++
/*
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* Copyright 2016 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 P2P_BASE_ICETRANSPORTINTERNAL_H_
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#define P2P_BASE_ICETRANSPORTINTERNAL_H_
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#include <string>
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#include "api/candidate.h"
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#include "p2p/base/candidatepairinterface.h"
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#include "p2p/base/jseptransport.h"
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#include "p2p/base/packettransportinternal.h"
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#include "p2p/base/transportdescription.h"
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#include "rtc_base/stringencode.h"
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namespace webrtc {
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class MetricsObserverInterface;
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}
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namespace cricket {
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// TODO(zhihuang): Replace this with
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// PeerConnectionInterface::IceConnectionState.
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enum class IceTransportState {
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STATE_INIT,
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STATE_CONNECTING, // Will enter this state once a connection is created
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STATE_COMPLETED,
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STATE_FAILED
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};
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// TODO(zhihuang): Remove this once it's no longer used in
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// remoting/protocol/libjingle_transport_factory.cc
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enum IceProtocolType {
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ICEPROTO_RFC5245 // Standard RFC 5245 version of ICE.
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};
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// IceTransportInternal is an internal abstract class that does ICE.
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// Once the public interface is supported,
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// (https://www.w3.org/TR/webrtc/#rtcicetransport-interface)
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// the IceTransportInterface will be split from this class.
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class IceTransportInternal : public rtc::PacketTransportInternal {
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public:
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IceTransportInternal();
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~IceTransportInternal() override;
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virtual IceTransportState GetState() const = 0;
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virtual int component() const = 0;
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virtual IceRole GetIceRole() const = 0;
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virtual void SetIceRole(IceRole role) = 0;
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virtual void SetIceTiebreaker(uint64_t tiebreaker) = 0;
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// TODO(zhihuang): Remove this once it's no longer called in
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// remoting/protocol/libjingle_transport_factory.cc
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virtual void SetIceProtocolType(IceProtocolType type) {}
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virtual void SetIceCredentials(const std::string& ice_ufrag,
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const std::string& ice_pwd);
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virtual void SetRemoteIceCredentials(const std::string& ice_ufrag,
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const std::string& ice_pwd);
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// The ufrag and pwd in |ice_params| must be set
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// before candidate gathering can start.
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virtual void SetIceParameters(const IceParameters& ice_params) = 0;
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virtual void SetRemoteIceParameters(const IceParameters& ice_params) = 0;
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virtual void SetRemoteIceMode(IceMode mode) = 0;
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virtual void SetIceConfig(const IceConfig& config) = 0;
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// Start gathering candidates if not already started, or if an ICE restart
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// occurred.
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virtual void MaybeStartGathering() = 0;
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virtual void SetMetricsObserver(
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webrtc::MetricsObserverInterface* observer) = 0;
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virtual void AddRemoteCandidate(const Candidate& candidate) = 0;
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virtual void RemoveRemoteCandidate(const Candidate& candidate) = 0;
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virtual IceGatheringState gathering_state() const = 0;
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// Returns the current stats for this connection.
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virtual bool GetStats(ConnectionInfos* infos) = 0;
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// Returns RTT estimate over the currently active connection, or an empty
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// rtc::Optional if there is none.
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virtual rtc::Optional<int> GetRttEstimate() = 0;
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sigslot::signal1<IceTransportInternal*> SignalGatheringState;
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// Handles sending and receiving of candidates.
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sigslot::signal2<IceTransportInternal*, const Candidate&>
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SignalCandidateGathered;
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sigslot::signal2<IceTransportInternal*, const Candidates&>
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SignalCandidatesRemoved;
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// Deprecated by PacketTransportInternal::SignalNetworkRouteChanged.
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// This signal occurs when there is a change in the way that packets are
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// being routed, i.e. to a different remote location. The candidate
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// indicates where and how we are currently sending media.
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// TODO(zhihuang): Update the Chrome remoting to use the new
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// SignalNetworkRouteChanged.
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sigslot::signal2<IceTransportInternal*, const Candidate&> SignalRouteChange;
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// Invoked when there is conflict in the ICE role between local and remote
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// agents.
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sigslot::signal1<IceTransportInternal*> SignalRoleConflict;
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// Emitted whenever the transport state changed.
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sigslot::signal1<IceTransportInternal*> SignalStateChanged;
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// Invoked when the transport is being destroyed.
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sigslot::signal1<IceTransportInternal*> SignalDestroyed;
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};
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} // namespace cricket
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#endif // P2P_BASE_ICETRANSPORTINTERNAL_H_
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