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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/browser/renderer_host/p2p/socket_host_udp.h" | 5 #include "content/browser/renderer_host/p2p/socket_host_udp.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/debug/trace_event.h" | 8 #include "base/debug/trace_event.h" |
9 #include "content/common/p2p_messages.h" | 9 #include "content/common/p2p_messages.h" |
10 #include "ipc/ipc_sender.h" | 10 #include "ipc/ipc_sender.h" |
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102 | 102 |
103 if (state_ == STATE_UNINITIALIZED || state_ == STATE_OPEN) | 103 if (state_ == STATE_UNINITIALIZED || state_ == STATE_OPEN) |
104 message_sender_->Send(new P2PMsg_OnError(id_)); | 104 message_sender_->Send(new P2PMsg_OnError(id_)); |
105 | 105 |
106 state_ = STATE_ERROR; | 106 state_ = STATE_ERROR; |
107 } | 107 } |
108 | 108 |
109 void P2PSocketHostUdp::DoRead() { | 109 void P2PSocketHostUdp::DoRead() { |
110 int result; | 110 int result; |
111 do { | 111 do { |
112 result = socket_->RecvFrom(recv_buffer_, kReadBufferSize, &recv_address_, | 112 result = socket_->RecvFrom( |
113 base::Bind(&P2PSocketHostUdp::OnRecv, | 113 recv_buffer_.get(), |
114 base::Unretained(this))); | 114 kReadBufferSize, |
| 115 &recv_address_, |
| 116 base::Bind(&P2PSocketHostUdp::OnRecv, base::Unretained(this))); |
115 if (result == net::ERR_IO_PENDING) | 117 if (result == net::ERR_IO_PENDING) |
116 return; | 118 return; |
117 HandleReadResult(result); | 119 HandleReadResult(result); |
118 } while (state_ == STATE_OPEN); | 120 } while (state_ == STATE_OPEN); |
119 } | 121 } |
120 | 122 |
121 void P2PSocketHostUdp::OnRecv(int result) { | 123 void P2PSocketHostUdp::OnRecv(int result) { |
122 HandleReadResult(result); | 124 HandleReadResult(result); |
123 if (state_ == STATE_OPEN) { | 125 if (state_ == STATE_OPEN) { |
124 DoRead(); | 126 DoRead(); |
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174 send_queue_.push_back(PendingPacket(to, data)); | 176 send_queue_.push_back(PendingPacket(to, data)); |
175 } else { | 177 } else { |
176 PendingPacket packet(to, data); | 178 PendingPacket packet(to, data); |
177 DoSend(packet); | 179 DoSend(packet); |
178 } | 180 } |
179 } | 181 } |
180 | 182 |
181 void P2PSocketHostUdp::DoSend(const PendingPacket& packet) { | 183 void P2PSocketHostUdp::DoSend(const PendingPacket& packet) { |
182 TRACE_EVENT_ASYNC_BEGIN2("p2p", "Udp::DoSend", this, | 184 TRACE_EVENT_ASYNC_BEGIN2("p2p", "Udp::DoSend", this, |
183 "id", id_, "size", packet.size); | 185 "id", id_, "size", packet.size); |
184 int result = socket_->SendTo(packet.data, packet.size, packet.to, | 186 int result = socket_->SendTo( |
185 base::Bind(&P2PSocketHostUdp::OnSend, | 187 packet.data.get(), |
186 base::Unretained(this))); | 188 packet.size, |
| 189 packet.to, |
| 190 base::Bind(&P2PSocketHostUdp::OnSend, base::Unretained(this))); |
187 | 191 |
188 // sendto() may return an error, e.g. if we've received an ICMP Destination | 192 // sendto() may return an error, e.g. if we've received an ICMP Destination |
189 // Unreachable message. When this happens try sending the same packet again, | 193 // Unreachable message. When this happens try sending the same packet again, |
190 // and just drop it if it fails again. | 194 // and just drop it if it fails again. |
191 if (IsTransientError(result)) { | 195 if (IsTransientError(result)) { |
192 result = socket_->SendTo(packet.data, packet.size, packet.to, | 196 result = socket_->SendTo( |
193 base::Bind(&P2PSocketHostUdp::OnSend, | 197 packet.data.get(), |
194 base::Unretained(this))); | 198 packet.size, |
| 199 packet.to, |
| 200 base::Bind(&P2PSocketHostUdp::OnSend, base::Unretained(this))); |
195 } | 201 } |
196 | 202 |
197 if (result == net::ERR_IO_PENDING) { | 203 if (result == net::ERR_IO_PENDING) { |
198 send_pending_ = true; | 204 send_pending_ = true; |
199 } else { | 205 } else { |
200 HandleSendResult(result); | 206 HandleSendResult(result); |
201 } | 207 } |
202 } | 208 } |
203 | 209 |
204 void P2PSocketHostUdp::OnSend(int result) { | 210 void P2PSocketHostUdp::OnSend(int result) { |
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230 } | 236 } |
231 | 237 |
232 P2PSocketHost* P2PSocketHostUdp::AcceptIncomingTcpConnection( | 238 P2PSocketHost* P2PSocketHostUdp::AcceptIncomingTcpConnection( |
233 const net::IPEndPoint& remote_address, int id) { | 239 const net::IPEndPoint& remote_address, int id) { |
234 NOTREACHED(); | 240 NOTREACHED(); |
235 OnError(); | 241 OnError(); |
236 return NULL; | 242 return NULL; |
237 } | 243 } |
238 | 244 |
239 } // namespace content | 245 } // namespace content |
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