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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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30 class Candidate; | 30 class Candidate; |
31 | 31 |
32 // Flags for SendPacket/SignalReadPacket. | 32 // Flags for SendPacket/SignalReadPacket. |
33 enum PacketFlags { | 33 enum PacketFlags { |
34 PF_NORMAL = 0x00, // A normal packet. | 34 PF_NORMAL = 0x00, // A normal packet. |
35 PF_SRTP_BYPASS = 0x01, // An encrypted SRTP packet; bypass any additional | 35 PF_SRTP_BYPASS = 0x01, // An encrypted SRTP packet; bypass any additional |
36 // crypto provided by the transport (e.g. DTLS) | 36 // crypto provided by the transport (e.g. DTLS) |
37 }; | 37 }; |
38 | 38 |
39 // Used to indicate channel's connection state. | 39 // Used to indicate channel's connection state. |
40 enum TransportChannelState { STATE_CONNECTING, STATE_COMPLETED, STATE_FAILED }; | 40 enum TransportChannelState { |
| 41 STATE_INIT, |
| 42 STATE_CONNECTING, // Will enter this state once a connection is created |
| 43 STATE_COMPLETED, |
| 44 STATE_FAILED |
| 45 }; |
41 | 46 |
42 // A TransportChannel represents one logical stream of packets that are sent | 47 // A TransportChannel represents one logical stream of packets that are sent |
43 // between the two sides of a session. | 48 // between the two sides of a session. |
44 class TransportChannel : public sigslot::has_slots<> { | 49 class TransportChannel : public sigslot::has_slots<> { |
45 public: | 50 public: |
46 explicit TransportChannel(const std::string& content_name, int component) | 51 explicit TransportChannel(const std::string& transport_name, int component) |
47 : content_name_(content_name), | 52 : transport_name_(transport_name), |
48 component_(component), | 53 component_(component), |
49 writable_(false), | 54 writable_(false), |
50 receiving_(false) {} | 55 receiving_(false) {} |
51 virtual ~TransportChannel() {} | 56 virtual ~TransportChannel() {} |
52 | 57 |
53 // TODO(guoweis) - Make this pure virtual once all subclasses of | 58 // TODO(guoweis) - Make this pure virtual once all subclasses of |
54 // TransportChannel have this defined. | 59 // TransportChannel have this defined. |
55 virtual TransportChannelState GetState() const { | 60 virtual TransportChannelState GetState() const { |
56 return TransportChannelState::STATE_CONNECTING; | 61 return TransportChannelState::STATE_CONNECTING; |
57 } | 62 } |
58 | 63 |
59 // TODO(mallinath) - Remove this API, as it's no longer useful. | 64 // TODO(mallinath) - Remove this API, as it's no longer useful. |
60 // Returns the session id of this channel. | 65 // Returns the session id of this channel. |
61 virtual const std::string SessionId() const { return std::string(); } | 66 virtual const std::string SessionId() const { return std::string(); } |
62 | 67 |
63 const std::string& content_name() const { return content_name_; } | 68 const std::string& transport_name() const { return transport_name_; } |
64 int component() const { return component_; } | 69 int component() const { return component_; } |
65 | 70 |
66 // Returns the states of this channel. Each time one of these states changes, | 71 // Returns the states of this channel. Each time one of these states changes, |
67 // a signal is raised. These states are aggregated by the TransportManager. | 72 // a signal is raised. These states are aggregated by the TransportManager. |
68 bool writable() const { return writable_; } | 73 bool writable() const { return writable_; } |
69 bool receiving() const { return receiving_; } | 74 bool receiving() const { return receiving_; } |
70 sigslot::signal1<TransportChannel*> SignalWritableState; | 75 sigslot::signal1<TransportChannel*> SignalWritableState; |
71 // Emitted when the TransportChannel's ability to send has changed. | 76 // Emitted when the TransportChannel's ability to send has changed. |
72 sigslot::signal1<TransportChannel*> SignalReadyToSend; | 77 sigslot::signal1<TransportChannel*> SignalReadyToSend; |
73 sigslot::signal1<TransportChannel*> SignalReceivingState; | 78 sigslot::signal1<TransportChannel*> SignalReceivingState; |
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139 protected: | 144 protected: |
140 // TODO(honghaiz): Remove this once chromium's unit tests no longer call it. | 145 // TODO(honghaiz): Remove this once chromium's unit tests no longer call it. |
141 void set_readable(bool readable) { set_receiving(readable); } | 146 void set_readable(bool readable) { set_receiving(readable); } |
142 | 147 |
143 // Sets the writable state, signaling if necessary. | 148 // Sets the writable state, signaling if necessary. |
144 void set_writable(bool writable); | 149 void set_writable(bool writable); |
145 | 150 |
146 // Sets the receiving state, signaling if necessary. | 151 // Sets the receiving state, signaling if necessary. |
147 void set_receiving(bool receiving); | 152 void set_receiving(bool receiving); |
148 | 153 |
149 | |
150 private: | 154 private: |
151 // Used mostly for debugging. | 155 // Used mostly for debugging. |
152 std::string content_name_; | 156 std::string transport_name_; |
153 int component_; | 157 int component_; |
154 bool writable_; | 158 bool writable_; |
155 bool receiving_; | 159 bool receiving_; |
156 | 160 |
157 RTC_DISALLOW_COPY_AND_ASSIGN(TransportChannel); | 161 RTC_DISALLOW_COPY_AND_ASSIGN(TransportChannel); |
158 }; | 162 }; |
159 | 163 |
160 } // namespace cricket | 164 } // namespace cricket |
161 | 165 |
162 #endif // WEBRTC_P2P_BASE_TRANSPORTCHANNEL_H_ | 166 #endif // WEBRTC_P2P_BASE_TRANSPORTCHANNEL_H_ |
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