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Side by Side Diff: webrtc/p2p/base/transportcontroller.h

Issue 1888903003: Network thread (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: rebase Created 4 years, 7 months ago
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1 /* 1 /*
2 * Copyright 2015 The WebRTC Project Authors. All rights reserved. 2 * Copyright 2015 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
(...skipping 14 matching lines...) Expand all
25 namespace rtc { 25 namespace rtc {
26 class Thread; 26 class Thread;
27 } 27 }
28 28
29 namespace cricket { 29 namespace cricket {
30 30
31 class TransportController : public sigslot::has_slots<>, 31 class TransportController : public sigslot::has_slots<>,
32 public rtc::MessageHandler { 32 public rtc::MessageHandler {
33 public: 33 public:
34 TransportController(rtc::Thread* signaling_thread, 34 TransportController(rtc::Thread* signaling_thread,
35 rtc::Thread* worker_thread, 35 rtc::Thread* network_thread,
36 PortAllocator* port_allocator); 36 PortAllocator* port_allocator);
37 37
38 virtual ~TransportController(); 38 virtual ~TransportController();
39 39
40 rtc::Thread* signaling_thread() const { return signaling_thread_; } 40 rtc::Thread* signaling_thread() const { return signaling_thread_; }
41 rtc::Thread* worker_thread() const { return worker_thread_; } 41 rtc::Thread* network_thread() const { return network_thread_; }
42 42
43 PortAllocator* port_allocator() const { return port_allocator_; } 43 PortAllocator* port_allocator() const { return port_allocator_; }
44 44
45 // Can only be set before transports are created. 45 // Can only be set before transports are created.
46 // TODO(deadbeef): Make this an argument to the constructor once BaseSession 46 // TODO(deadbeef): Make this an argument to the constructor once BaseSession
47 // and WebRtcSession are combined 47 // and WebRtcSession are combined
48 bool SetSslMaxProtocolVersion(rtc::SSLProtocolVersion version); 48 bool SetSslMaxProtocolVersion(rtc::SSLProtocolVersion version);
49 49
50 void SetIceConfig(const IceConfig& config); 50 void SetIceConfig(const IceConfig& config);
51 void SetIceRole(IceRole ice_role); 51 void SetIceRole(IceRole ice_role);
(...skipping 23 matching lines...) Expand all
75 void MaybeStartGathering(); 75 void MaybeStartGathering();
76 bool AddRemoteCandidates(const std::string& transport_name, 76 bool AddRemoteCandidates(const std::string& transport_name,
77 const Candidates& candidates, 77 const Candidates& candidates,
78 std::string* err); 78 std::string* err);
79 bool RemoveRemoteCandidates(const Candidates& candidates, std::string* err); 79 bool RemoveRemoteCandidates(const Candidates& candidates, std::string* err);
80 bool ReadyForRemoteCandidates(const std::string& transport_name); 80 bool ReadyForRemoteCandidates(const std::string& transport_name);
81 bool GetStats(const std::string& transport_name, TransportStats* stats); 81 bool GetStats(const std::string& transport_name, TransportStats* stats);
82 82
83 // Creates a channel if it doesn't exist. Otherwise, increments a reference 83 // Creates a channel if it doesn't exist. Otherwise, increments a reference
84 // count and returns an existing channel. 84 // count and returns an existing channel.
85 virtual TransportChannel* CreateTransportChannel_w( 85 virtual TransportChannel* CreateTransportChannel_n(
86 const std::string& transport_name, 86 const std::string& transport_name,
87 int component); 87 int component);
88 88
89 // Decrements a channel's reference count, and destroys the channel if 89 // Decrements a channel's reference count, and destroys the channel if
90 // nothing is referencing it. 90 // nothing is referencing it.
91 virtual void DestroyTransportChannel_w(const std::string& transport_name, 91 virtual void DestroyTransportChannel_n(const std::string& transport_name,
92 int component); 92 int component);
93 93
94 // All of these signals are fired on the signalling thread. 94 // All of these signals are fired on the signalling thread.
95 95
96 // If any transport failed => failed, 96 // If any transport failed => failed,
97 // Else if all completed => completed, 97 // Else if all completed => completed,
98 // Else if all connected => connected, 98 // Else if all connected => connected,
99 // Else => connecting 99 // Else => connecting
100 sigslot::signal1<IceConnectionState> SignalConnectionState; 100 sigslot::signal1<IceConnectionState> SignalConnectionState;
101 101
102 // Receiving if any transport is receiving 102 // Receiving if any transport is receiving
103 sigslot::signal1<bool> SignalReceiving; 103 sigslot::signal1<bool> SignalReceiving;
104 104
105 // If all transports done gathering => complete, 105 // If all transports done gathering => complete,
106 // Else if any are gathering => gathering, 106 // Else if any are gathering => gathering,
107 // Else => new 107 // Else => new
108 sigslot::signal1<IceGatheringState> SignalGatheringState; 108 sigslot::signal1<IceGatheringState> SignalGatheringState;
109 109
110 // (transport_name, candidates) 110 // (transport_name, candidates)
111 sigslot::signal2<const std::string&, const Candidates&> 111 sigslot::signal2<const std::string&, const Candidates&>
112 SignalCandidatesGathered; 112 SignalCandidatesGathered;
113 113
114 sigslot::signal1<const Candidates&> SignalCandidatesRemoved; 114 sigslot::signal1<const Candidates&> SignalCandidatesRemoved;
115 115
116 // for unit test 116 // for unit test
117 const rtc::scoped_refptr<rtc::RTCCertificate>& certificate_for_testing(); 117 const rtc::scoped_refptr<rtc::RTCCertificate>& certificate_for_testing();
118 118
119 protected: 119 protected:
120 // Protected and virtual so we can override it in unit tests. 120 // Protected and virtual so we can override it in unit tests.
121 virtual Transport* CreateTransport_w(const std::string& transport_name); 121 virtual Transport* CreateTransport_n(const std::string& transport_name);
122 122
123 // For unit tests 123 // For unit tests
124 const std::map<std::string, Transport*>& transports() { return transports_; } 124 const std::map<std::string, Transport*>& transports() { return transports_; }
125 Transport* GetTransport_w(const std::string& transport_name); 125 Transport* GetTransport_n(const std::string& transport_name);
126 126
127 private: 127 private:
128 void OnMessage(rtc::Message* pmsg) override; 128 void OnMessage(rtc::Message* pmsg) override;
129 129
130 // It's the Transport that's currently responsible for creating/destroying 130 // It's the Transport that's currently responsible for creating/destroying
131 // channels, but the TransportController keeps track of how many external 131 // channels, but the TransportController keeps track of how many external
132 // objects (BaseChannels) reference each channel. 132 // objects (BaseChannels) reference each channel.
133 struct RefCountedChannel { 133 struct RefCountedChannel {
134 RefCountedChannel() : impl_(nullptr), ref_(0) {} 134 RefCountedChannel() : impl_(nullptr), ref_(0) {}
135 explicit RefCountedChannel(TransportChannelImpl* impl) 135 explicit RefCountedChannel(TransportChannelImpl* impl)
136 : impl_(impl), ref_(0) {} 136 : impl_(impl), ref_(0) {}
137 137
138 void AddRef() { ++ref_; } 138 void AddRef() { ++ref_; }
139 void DecRef() { 139 void DecRef() {
140 ASSERT(ref_ > 0); 140 ASSERT(ref_ > 0);
141 --ref_; 141 --ref_;
142 } 142 }
143 int ref() const { return ref_; } 143 int ref() const { return ref_; }
144 144
145 TransportChannelImpl* get() const { return impl_; } 145 TransportChannelImpl* get() const { return impl_; }
146 TransportChannelImpl* operator->() const { return impl_; } 146 TransportChannelImpl* operator->() const { return impl_; }
147 147
148 private: 148 private:
149 TransportChannelImpl* impl_; 149 TransportChannelImpl* impl_;
150 int ref_; 150 int ref_;
151 }; 151 };
152 152
153 std::vector<RefCountedChannel>::iterator FindChannel_w( 153 std::vector<RefCountedChannel>::iterator FindChannel_n(
154 const std::string& transport_name, 154 const std::string& transport_name,
155 int component); 155 int component);
156 156
157 Transport* GetOrCreateTransport_w(const std::string& transport_name); 157 Transport* GetOrCreateTransport_n(const std::string& transport_name);
158 void DestroyTransport_w(const std::string& transport_name); 158 void DestroyTransport_n(const std::string& transport_name);
159 void DestroyAllTransports_w(); 159 void DestroyAllTransports_n();
160 160
161 bool SetSslMaxProtocolVersion_w(rtc::SSLProtocolVersion version); 161 bool SetSslMaxProtocolVersion_n(rtc::SSLProtocolVersion version);
162 void SetIceConfig_w(const IceConfig& config); 162 void SetIceConfig_n(const IceConfig& config);
163 void SetIceRole_w(IceRole ice_role); 163 void SetIceRole_n(IceRole ice_role);
164 bool GetSslRole_w(const std::string& transport_name, rtc::SSLRole* role); 164 bool GetSslRole_n(const std::string& transport_name, rtc::SSLRole* role);
165 bool SetLocalCertificate_w( 165 bool SetLocalCertificate_n(
166 const rtc::scoped_refptr<rtc::RTCCertificate>& certificate); 166 const rtc::scoped_refptr<rtc::RTCCertificate>& certificate);
167 bool GetLocalCertificate_w( 167 bool GetLocalCertificate_n(
168 const std::string& transport_name, 168 const std::string& transport_name,
169 rtc::scoped_refptr<rtc::RTCCertificate>* certificate); 169 rtc::scoped_refptr<rtc::RTCCertificate>* certificate);
170 std::unique_ptr<rtc::SSLCertificate> GetRemoteSSLCertificate_w( 170 std::unique_ptr<rtc::SSLCertificate> GetRemoteSSLCertificate_n(
171 const std::string& transport_name); 171 const std::string& transport_name);
172 bool SetLocalTransportDescription_w(const std::string& transport_name, 172 bool SetLocalTransportDescription_n(const std::string& transport_name,
173 const TransportDescription& tdesc, 173 const TransportDescription& tdesc,
174 ContentAction action, 174 ContentAction action,
175 std::string* err); 175 std::string* err);
176 bool SetRemoteTransportDescription_w(const std::string& transport_name, 176 bool SetRemoteTransportDescription_n(const std::string& transport_name,
177 const TransportDescription& tdesc, 177 const TransportDescription& tdesc,
178 ContentAction action, 178 ContentAction action,
179 std::string* err); 179 std::string* err);
180 void MaybeStartGathering_w(); 180 void MaybeStartGathering_n();
181 bool AddRemoteCandidates_w(const std::string& transport_name, 181 bool AddRemoteCandidates_n(const std::string& transport_name,
182 const Candidates& candidates, 182 const Candidates& candidates,
183 std::string* err); 183 std::string* err);
184 bool RemoveRemoteCandidates_w(const Candidates& candidates, std::string* err); 184 bool RemoveRemoteCandidates_n(const Candidates& candidates, std::string* err);
185 bool ReadyForRemoteCandidates_w(const std::string& transport_name); 185 bool ReadyForRemoteCandidates_n(const std::string& transport_name);
186 bool GetStats_w(const std::string& transport_name, TransportStats* stats); 186 bool GetStats_n(const std::string& transport_name, TransportStats* stats);
187 187
188 // Handlers for signals from Transport. 188 // Handlers for signals from Transport.
189 void OnChannelWritableState_w(TransportChannel* channel); 189 void OnChannelWritableState_n(TransportChannel* channel);
190 void OnChannelReceivingState_w(TransportChannel* channel); 190 void OnChannelReceivingState_n(TransportChannel* channel);
191 void OnChannelGatheringState_w(TransportChannelImpl* channel); 191 void OnChannelGatheringState_n(TransportChannelImpl* channel);
192 void OnChannelCandidateGathered_w(TransportChannelImpl* channel, 192 void OnChannelCandidateGathered_n(TransportChannelImpl* channel,
193 const Candidate& candidate); 193 const Candidate& candidate);
194 void OnChannelCandidatesRemoved(const Candidates& candidates); 194 void OnChannelCandidatesRemoved(const Candidates& candidates);
195 void OnChannelCandidatesRemoved_w(TransportChannelImpl* channel, 195 void OnChannelCandidatesRemoved_n(TransportChannelImpl* channel,
196 const Candidates& candidates); 196 const Candidates& candidates);
197 void OnChannelRoleConflict_w(TransportChannelImpl* channel); 197 void OnChannelRoleConflict_n(TransportChannelImpl* channel);
198 void OnChannelConnectionRemoved_w(TransportChannelImpl* channel); 198 void OnChannelConnectionRemoved_n(TransportChannelImpl* channel);
199 199
200 void UpdateAggregateStates_w(); 200 void UpdateAggregateStates_n();
201 201
202 rtc::Thread* const signaling_thread_ = nullptr; 202 rtc::Thread* const signaling_thread_ = nullptr;
203 rtc::Thread* const worker_thread_ = nullptr; 203 rtc::Thread* const network_thread_ = nullptr;
204 typedef std::map<std::string, Transport*> TransportMap; 204 typedef std::map<std::string, Transport*> TransportMap;
205 TransportMap transports_; 205 TransportMap transports_;
206 206
207 std::vector<RefCountedChannel> channels_; 207 std::vector<RefCountedChannel> channels_;
208 208
209 PortAllocator* const port_allocator_ = nullptr; 209 PortAllocator* const port_allocator_ = nullptr;
210 rtc::SSLProtocolVersion ssl_max_version_ = rtc::SSL_PROTOCOL_DTLS_12; 210 rtc::SSLProtocolVersion ssl_max_version_ = rtc::SSL_PROTOCOL_DTLS_12;
211 211
212 // Aggregate state for TransportChannelImpls. 212 // Aggregate state for TransportChannelImpls.
213 IceConnectionState connection_state_ = kIceConnectionConnecting; 213 IceConnectionState connection_state_ = kIceConnectionConnecting;
214 bool receiving_ = false; 214 bool receiving_ = false;
215 IceGatheringState gathering_state_ = kIceGatheringNew; 215 IceGatheringState gathering_state_ = kIceGatheringNew;
216 216
217 // TODO(deadbeef): Move the fields below down to the transports themselves 217 // TODO(deadbeef): Move the fields below down to the transports themselves
218 IceConfig ice_config_; 218 IceConfig ice_config_;
219 IceRole ice_role_ = ICEROLE_CONTROLLING; 219 IceRole ice_role_ = ICEROLE_CONTROLLING;
220 // Flag which will be set to true after the first role switch 220 // Flag which will be set to true after the first role switch
221 bool ice_role_switch_ = false; 221 bool ice_role_switch_ = false;
222 uint64_t ice_tiebreaker_ = rtc::CreateRandomId64(); 222 uint64_t ice_tiebreaker_ = rtc::CreateRandomId64();
223 rtc::scoped_refptr<rtc::RTCCertificate> certificate_; 223 rtc::scoped_refptr<rtc::RTCCertificate> certificate_;
224 rtc::AsyncInvoker invoker_; 224 rtc::AsyncInvoker invoker_;
225 }; 225 };
226 226
227 } // namespace cricket 227 } // namespace cricket
228 228
229 #endif // WEBRTC_P2P_BASE_TRANSPORTCONTROLLER_H_ 229 #endif // WEBRTC_P2P_BASE_TRANSPORTCONTROLLER_H_
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