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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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135 const std::string& old_pwd, | 135 const std::string& old_pwd, |
136 const std::string& new_ufrag, | 136 const std::string& new_ufrag, |
137 const std::string& new_pwd); | 137 const std::string& new_pwd); |
138 | 138 |
139 class Transport : public rtc::MessageHandler, | 139 class Transport : public rtc::MessageHandler, |
140 public sigslot::has_slots<> { | 140 public sigslot::has_slots<> { |
141 public: | 141 public: |
142 Transport(rtc::Thread* signaling_thread, | 142 Transport(rtc::Thread* signaling_thread, |
143 rtc::Thread* worker_thread, | 143 rtc::Thread* worker_thread, |
144 const std::string& content_name, | 144 const std::string& content_name, |
145 const std::string& type, | |
146 PortAllocator* allocator); | 145 PortAllocator* allocator); |
147 virtual ~Transport(); | 146 virtual ~Transport(); |
148 | 147 |
149 // Returns the signaling thread. The app talks to Transport on this thread. | 148 // Returns the signaling thread. The app talks to Transport on this thread. |
150 rtc::Thread* signaling_thread() const { return signaling_thread_; } | 149 rtc::Thread* signaling_thread() const { return signaling_thread_; } |
151 // Returns the worker thread. The actual networking is done on this thread. | 150 // Returns the worker thread. The actual networking is done on this thread. |
152 rtc::Thread* worker_thread() const { return worker_thread_; } | 151 rtc::Thread* worker_thread() const { return worker_thread_; } |
153 | 152 |
154 // Returns the content_name of this transport. | 153 // Returns the content_name of this transport. |
155 const std::string& content_name() const { return content_name_; } | 154 const std::string& content_name() const { return content_name_; } |
156 // Returns the type of this transport. | |
157 const std::string& type() const { return type_; } | |
158 | 155 |
159 // Returns the port allocator object for this transport. | 156 // Returns the port allocator object for this transport. |
160 PortAllocator* port_allocator() { return allocator_; } | 157 PortAllocator* port_allocator() { return allocator_; } |
161 | 158 |
162 // Returns the readable and states of this manager. These bits are the ORs | 159 // Returns the readable and states of this manager. These bits are the ORs |
163 // of the corresponding bits on the managed channels. Each time one of these | 160 // of the corresponding bits on the managed channels. Each time one of these |
164 // states changes, a signal is raised. | 161 // states changes, a signal is raised. |
165 // TODO: Replace uses of readable() and writable() with | 162 // TODO: Replace uses of readable() and writable() with |
166 // any_channels_readable() and any_channels_writable(). | 163 // any_channels_readable() and any_channels_writable(). |
167 bool readable() const { return any_channels_readable(); } | 164 bool readable() const { return any_channels_readable(); } |
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206 // Must be called before applying local session description. | 203 // Must be called before applying local session description. |
207 void SetCertificate( | 204 void SetCertificate( |
208 const rtc::scoped_refptr<rtc::RTCCertificate>& certificate); | 205 const rtc::scoped_refptr<rtc::RTCCertificate>& certificate); |
209 | 206 |
210 // Get a copy of the local identity provided by SetIdentity. | 207 // Get a copy of the local identity provided by SetIdentity. |
211 bool GetCertificate(rtc::scoped_refptr<rtc::RTCCertificate>* certificate); | 208 bool GetCertificate(rtc::scoped_refptr<rtc::RTCCertificate>* certificate); |
212 | 209 |
213 // Get a copy of the remote certificate in use by the specified channel. | 210 // Get a copy of the remote certificate in use by the specified channel. |
214 bool GetRemoteSSLCertificate(rtc::SSLCertificate** cert); | 211 bool GetRemoteSSLCertificate(rtc::SSLCertificate** cert); |
215 | 212 |
216 TransportProtocol protocol() const { return protocol_; } | |
217 | |
218 // Create, destroy, and lookup the channels of this type by their components. | 213 // Create, destroy, and lookup the channels of this type by their components. |
219 TransportChannelImpl* CreateChannel(int component); | 214 TransportChannelImpl* CreateChannel(int component); |
220 // Note: GetChannel may lead to race conditions, since the mutex is not held | 215 // Note: GetChannel may lead to race conditions, since the mutex is not held |
221 // after the pointer is returned. | 216 // after the pointer is returned. |
222 TransportChannelImpl* GetChannel(int component); | 217 TransportChannelImpl* GetChannel(int component); |
223 // Note: HasChannel does not lead to race conditions, unlike GetChannel. | 218 // Note: HasChannel does not lead to race conditions, unlike GetChannel. |
224 bool HasChannel(int component) { | 219 bool HasChannel(int component) { |
225 return (NULL != GetChannel(component)); | 220 return (NULL != GetChannel(component)); |
226 } | 221 } |
227 bool HasChannels(); | 222 bool HasChannels(); |
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319 // Derived classes can override, but must call the base as well. | 314 // Derived classes can override, but must call the base as well. |
320 virtual bool ApplyLocalTransportDescription_w(TransportChannelImpl* channel, | 315 virtual bool ApplyLocalTransportDescription_w(TransportChannelImpl* channel, |
321 std::string* error_desc); | 316 std::string* error_desc); |
322 | 317 |
323 // Pushes down remote ice credentials from the remote description to the | 318 // Pushes down remote ice credentials from the remote description to the |
324 // transport channel. | 319 // transport channel. |
325 virtual bool ApplyRemoteTransportDescription_w(TransportChannelImpl* ch, | 320 virtual bool ApplyRemoteTransportDescription_w(TransportChannelImpl* ch, |
326 std::string* error_desc); | 321 std::string* error_desc); |
327 | 322 |
328 // Negotiates the transport parameters based on the current local and remote | 323 // Negotiates the transport parameters based on the current local and remote |
329 // transport description, such at the version of ICE to use, and whether DTLS | 324 // transport description, such as the ICE role to use, and whether DTLS |
330 // should be activated. | 325 // should be activated. |
331 // Derived classes can negotiate their specific parameters here, but must call | 326 // Derived classes can negotiate their specific parameters here, but must call |
332 // the base as well. | 327 // the base as well. |
333 virtual bool NegotiateTransportDescription_w(ContentAction local_role, | 328 virtual bool NegotiateTransportDescription_w(ContentAction local_role, |
334 std::string* error_desc); | 329 std::string* error_desc); |
335 | 330 |
336 // Pushes down the transport parameters obtained via negotiation. | 331 // Pushes down the transport parameters obtained via negotiation. |
337 // Derived classes can set their specific parameters here, but must call the | 332 // Derived classes can set their specific parameters here, but must call the |
338 // base as well. | 333 // base as well. |
339 virtual bool ApplyNegotiatedTransportDescription_w( | 334 virtual bool ApplyNegotiatedTransportDescription_w( |
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445 bool GetRemoteSSLCertificate_w(rtc::SSLCertificate** cert); | 440 bool GetRemoteSSLCertificate_w(rtc::SSLCertificate** cert); |
446 | 441 |
447 void SetChannelReceivingTimeout_w(int timeout_ms); | 442 void SetChannelReceivingTimeout_w(int timeout_ms); |
448 | 443 |
449 // Sends SignalCompleted if we are now in that state. | 444 // Sends SignalCompleted if we are now in that state. |
450 void MaybeCompleted_w(); | 445 void MaybeCompleted_w(); |
451 | 446 |
452 rtc::Thread* const signaling_thread_; | 447 rtc::Thread* const signaling_thread_; |
453 rtc::Thread* const worker_thread_; | 448 rtc::Thread* const worker_thread_; |
454 const std::string content_name_; | 449 const std::string content_name_; |
455 const std::string type_; | |
456 PortAllocator* const allocator_; | 450 PortAllocator* const allocator_; |
457 bool destroyed_; | 451 bool destroyed_; |
458 TransportState readable_; | 452 TransportState readable_; |
459 TransportState writable_; | 453 TransportState writable_; |
460 TransportState receiving_; | 454 TransportState receiving_; |
461 bool was_writable_; | 455 bool was_writable_; |
462 bool connect_requested_; | 456 bool connect_requested_; |
463 IceRole ice_role_; | 457 IceRole ice_role_; |
464 uint64 tiebreaker_; | 458 uint64 tiebreaker_; |
465 TransportProtocol protocol_; | |
466 IceMode remote_ice_mode_; | 459 IceMode remote_ice_mode_; |
467 int channel_receiving_timeout_; | 460 int channel_receiving_timeout_; |
468 rtc::scoped_ptr<TransportDescription> local_description_; | 461 rtc::scoped_ptr<TransportDescription> local_description_; |
469 rtc::scoped_ptr<TransportDescription> remote_description_; | 462 rtc::scoped_ptr<TransportDescription> remote_description_; |
470 | 463 |
471 // TODO(tommi): Make sure we only use this on the worker thread. | 464 // TODO(tommi): Make sure we only use this on the worker thread. |
472 ChannelMap channels_; | 465 ChannelMap channels_; |
473 // Buffers the ready_candidates so that SignalCanidatesReady can | 466 // Buffers the ready_candidates so that SignalCanidatesReady can |
474 // provide them in multiples. | 467 // provide them in multiples. |
475 std::vector<Candidate> ready_candidates_; | 468 std::vector<Candidate> ready_candidates_; |
476 // Protects changes to channels and messages | 469 // Protects changes to channels and messages |
477 rtc::CriticalSection crit_; | 470 rtc::CriticalSection crit_; |
478 | 471 |
479 RTC_DISALLOW_COPY_AND_ASSIGN(Transport); | 472 RTC_DISALLOW_COPY_AND_ASSIGN(Transport); |
480 }; | 473 }; |
481 | 474 |
482 // Extract a TransportProtocol from a TransportDescription. | |
483 TransportProtocol TransportProtocolFromDescription( | |
484 const TransportDescription* desc); | |
485 | 475 |
486 } // namespace cricket | 476 } // namespace cricket |
487 | 477 |
488 #endif // WEBRTC_P2P_BASE_TRANSPORT_H_ | 478 #endif // WEBRTC_P2P_BASE_TRANSPORT_H_ |
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