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