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1 /* | 1 /* |
2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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25 // remoting/protocol/libjingle_transport_factory.cc | 25 // remoting/protocol/libjingle_transport_factory.cc |
26 enum IceProtocolType { | 26 enum IceProtocolType { |
27 ICEPROTO_RFC5245 // Standard RFC 5245 version of ICE. | 27 ICEPROTO_RFC5245 // Standard RFC 5245 version of ICE. |
28 }; | 28 }; |
29 | 29 |
30 // Base class for real implementations of TransportChannel. This includes some | 30 // Base class for real implementations of TransportChannel. This includes some |
31 // methods called only by Transport, which do not need to be exposed to the | 31 // methods called only by Transport, which do not need to be exposed to the |
32 // client. | 32 // client. |
33 class TransportChannelImpl : public TransportChannel { | 33 class TransportChannelImpl : public TransportChannel { |
34 public: | 34 public: |
35 explicit TransportChannelImpl(const std::string& transport_name, | 35 explicit TransportChannelImpl(const std::string& content_name, int component) |
36 int component) | 36 : TransportChannel(content_name, component) {} |
37 : TransportChannel(transport_name, component) {} | |
38 | 37 |
39 // Returns the transport that created this channel. | 38 // Returns the transport that created this channel. |
40 virtual Transport* GetTransport() = 0; | 39 virtual Transport* GetTransport() = 0; |
41 | 40 |
42 // For ICE channels. | 41 // For ICE channels. |
43 virtual IceRole GetIceRole() const = 0; | 42 virtual IceRole GetIceRole() const = 0; |
44 virtual void SetIceRole(IceRole role) = 0; | 43 virtual void SetIceRole(IceRole role) = 0; |
45 virtual void SetIceTiebreaker(uint64 tiebreaker) = 0; | 44 virtual void SetIceTiebreaker(uint64 tiebreaker) = 0; |
46 // TODO(pthatcher): Remove this once it's no longer called in | 45 // TODO(pthatcher): Remove this once it's no longer called in |
47 // remoting/protocol/libjingle_transport_factory.cc | 46 // remoting/protocol/libjingle_transport_factory.cc |
48 virtual void SetIceProtocolType(IceProtocolType type) {} | 47 virtual void SetIceProtocolType(IceProtocolType type) {} |
49 // SetIceCredentials only need to be implemented by the ICE | 48 // SetIceCredentials only need to be implemented by the ICE |
50 // transport channels. Non-ICE transport channels can just ignore. | 49 // transport channels. Non-ICE transport channels can just ignore. |
51 // The ufrag and pwd should be set before the Connect() is called. | 50 // The ufrag and pwd should be set before the Connect() is called. |
52 virtual void SetIceCredentials(const std::string& ice_ufrag, | 51 virtual void SetIceCredentials(const std::string& ice_ufrag, |
53 const std::string& ice_pwd) = 0; | 52 const std::string& ice_pwd) = 0; |
54 // SetRemoteIceCredentials only need to be implemented by the ICE | 53 // SetRemoteIceCredentials only need to be implemented by the ICE |
55 // transport channels. Non-ICE transport channels can just ignore. | 54 // transport channels. Non-ICE transport channels can just ignore. |
56 virtual void SetRemoteIceCredentials(const std::string& ice_ufrag, | 55 virtual void SetRemoteIceCredentials(const std::string& ice_ufrag, |
57 const std::string& ice_pwd) = 0; | 56 const std::string& ice_pwd) = 0; |
58 | 57 |
59 // SetRemoteIceMode must be implemented only by the ICE transport channels. | 58 // SetRemoteIceMode must be implemented only by the ICE transport channels. |
60 virtual void SetRemoteIceMode(IceMode mode) = 0; | 59 virtual void SetRemoteIceMode(IceMode mode) = 0; |
61 | 60 |
62 virtual void SetReceivingTimeout(int timeout_ms) = 0; | 61 virtual void SetReceivingTimeout(int timeout_ms) = 0; |
63 | 62 |
64 // Begins the process of attempting to make a connection to the other client. | 63 // Begins the process of attempting to make a connection to the other client. |
65 virtual void Connect() = 0; | 64 virtual void Connect() = 0; |
66 | 65 |
67 // Start gathering candidates if not already started, or if an ICE restart | 66 // Allows an individual channel to request signaling and be notified when it |
68 // occurred. | 67 // is ready. This is useful if the individual named channels have need to |
69 virtual void MaybeStartGathering() = 0; | 68 // send their own transport-info stanzas. |
70 | 69 sigslot::signal1<TransportChannelImpl*> SignalRequestSignaling; |
71 sigslot::signal1<TransportChannelImpl*> SignalGatheringState; | 70 virtual void OnSignalingReady() = 0; |
72 | 71 |
73 // Handles sending and receiving of candidates. The Transport | 72 // Handles sending and receiving of candidates. The Transport |
74 // receives the candidates and may forward them to the relevant | 73 // receives the candidates and may forward them to the relevant |
75 // channel. | 74 // channel. |
76 // | 75 // |
77 // Note: Since candidates are delivered asynchronously to the | 76 // Note: Since candidates are delivered asynchronously to the |
78 // channel, they cannot return an error if the message is invalid. | 77 // channel, they cannot return an error if the message is invalid. |
79 // It is assumed that the Transport will have checked validity | 78 // It is assumed that the Transport will have checked validity |
80 // before forwarding. | 79 // before forwarding. |
81 sigslot::signal2<TransportChannelImpl*, const Candidate&> | 80 sigslot::signal2<TransportChannelImpl*, |
82 SignalCandidateGathered; | 81 const Candidate&> SignalCandidateReady; |
83 virtual void AddRemoteCandidate(const Candidate& candidate) = 0; | 82 virtual void OnCandidate(const Candidate& candidate) = 0; |
84 | |
85 virtual IceGatheringState gathering_state() const = 0; | |
86 | 83 |
87 // DTLS methods | 84 // DTLS methods |
88 virtual bool SetLocalCertificate( | 85 virtual bool SetLocalCertificate( |
89 const rtc::scoped_refptr<rtc::RTCCertificate>& certificate) = 0; | 86 const rtc::scoped_refptr<rtc::RTCCertificate>& certificate) = 0; |
90 | 87 |
91 // Set DTLS Remote fingerprint. Must be after local identity set. | 88 // Set DTLS Remote fingerprint. Must be after local identity set. |
92 virtual bool SetRemoteFingerprint(const std::string& digest_alg, | 89 virtual bool SetRemoteFingerprint(const std::string& digest_alg, |
93 const uint8* digest, | 90 const uint8* digest, |
94 size_t digest_len) = 0; | 91 size_t digest_len) = 0; |
95 | 92 |
96 virtual bool SetSslRole(rtc::SSLRole role) = 0; | 93 virtual bool SetSslRole(rtc::SSLRole role) = 0; |
97 | 94 |
| 95 // TransportChannel is forwarding this signal from PortAllocatorSession. |
| 96 sigslot::signal1<TransportChannelImpl*> SignalCandidatesAllocationDone; |
| 97 |
98 // Invoked when there is conflict in the ICE role between local and remote | 98 // Invoked when there is conflict in the ICE role between local and remote |
99 // agents. | 99 // agents. |
100 sigslot::signal1<TransportChannelImpl*> SignalRoleConflict; | 100 sigslot::signal1<TransportChannelImpl*> SignalRoleConflict; |
101 | 101 |
102 // Emitted whenever the number of connections available to the transport | 102 // Emitted whenever the number of connections available to the transport |
103 // channel decreases. | 103 // channel decreases. |
104 sigslot::signal1<TransportChannelImpl*> SignalConnectionRemoved; | 104 sigslot::signal1<TransportChannelImpl*> SignalConnectionRemoved; |
105 | 105 |
106 private: | 106 private: |
107 RTC_DISALLOW_COPY_AND_ASSIGN(TransportChannelImpl); | 107 RTC_DISALLOW_COPY_AND_ASSIGN(TransportChannelImpl); |
108 }; | 108 }; |
109 | 109 |
110 } // namespace cricket | 110 } // namespace cricket |
111 | 111 |
112 #endif // WEBRTC_P2P_BASE_TRANSPORTCHANNELIMPL_H_ | 112 #endif // WEBRTC_P2P_BASE_TRANSPORTCHANNELIMPL_H_ |
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