henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
| 3 | * |
| 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 |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
Steve Anton | 10542f2 | 2019-01-11 17:11:00 | [diff] [blame] | 11 | #include "rtc_base/async_tcp_socket.h" |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 12 | |
Yves Gerey | 3e70781 | 2018-11-28 15:47:49 | [diff] [blame] | 13 | #include <stdint.h> |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 14 | #include <string.h> |
Jonas Olsson | a4d8737 | 2019-07-05 17:08:33 | [diff] [blame] | 15 | |
jbauch | 313afba | 2016-03-03 11:41:05 | [diff] [blame] | 16 | #include <algorithm> |
jbauch | 555604a | 2016-04-26 10:13:22 | [diff] [blame] | 17 | #include <memory> |
jbauch | 313afba | 2016-03-03 11:41:05 | [diff] [blame] | 18 | |
Steve Anton | 3fa2b80 | 2020-01-31 18:31:53 | [diff] [blame] | 19 | #include "api/array_view.h" |
Steve Anton | 10542f2 | 2019-01-11 17:11:00 | [diff] [blame] | 20 | #include "rtc_base/byte_order.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 04:47:31 | [diff] [blame] | 21 | #include "rtc_base/checks.h" |
| 22 | #include "rtc_base/logging.h" |
Yves Gerey | 3e70781 | 2018-11-28 15:47:49 | [diff] [blame] | 23 | #include "rtc_base/network/sent_packet.h" |
| 24 | #include "rtc_base/third_party/sigslot/sigslot.h" |
Steve Anton | 10542f2 | 2019-01-11 17:11:00 | [diff] [blame] | 25 | #include "rtc_base/time_utils.h" // for TimeMillis |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 26 | |
| 27 | #if defined(WEBRTC_POSIX) |
| 28 | #include <errno.h> |
| 29 | #endif // WEBRTC_POSIX |
| 30 | |
| 31 | namespace rtc { |
| 32 | |
| 33 | static const size_t kMaxPacketSize = 64 * 1024; |
| 34 | |
Peter Boström | 0c4e06b | 2015-10-07 10:23:21 | [diff] [blame] | 35 | typedef uint16_t PacketLength; |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 36 | static const size_t kPacketLenSize = sizeof(PacketLength); |
| 37 | |
| 38 | static const size_t kBufSize = kMaxPacketSize + kPacketLenSize; |
| 39 | |
jbauch | 313afba | 2016-03-03 11:41:05 | [diff] [blame] | 40 | // The input buffer will be resized so that at least kMinimumRecvSize bytes can |
| 41 | // be received (but it will not grow above the maximum size passed to the |
| 42 | // constructor). |
| 43 | static const size_t kMinimumRecvSize = 128; |
| 44 | |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 45 | static const int kListenBacklog = 5; |
| 46 | |
| 47 | // Binds and connects |socket| |
| 48 | AsyncSocket* AsyncTCPSocketBase::ConnectSocket( |
| 49 | rtc::AsyncSocket* socket, |
| 50 | const rtc::SocketAddress& bind_address, |
| 51 | const rtc::SocketAddress& remote_address) { |
jbauch | 555604a | 2016-04-26 10:13:22 | [diff] [blame] | 52 | std::unique_ptr<rtc::AsyncSocket> owned_socket(socket); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 53 | if (socket->Bind(bind_address) < 0) { |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 54 | RTC_LOG(LS_ERROR) << "Bind() failed with error " << socket->GetError(); |
deadbeef | 37f5ecf | 2017-02-27 22:06:41 | [diff] [blame] | 55 | return nullptr; |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 56 | } |
| 57 | if (socket->Connect(remote_address) < 0) { |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 58 | RTC_LOG(LS_ERROR) << "Connect() failed with error " << socket->GetError(); |
deadbeef | 37f5ecf | 2017-02-27 22:06:41 | [diff] [blame] | 59 | return nullptr; |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 60 | } |
| 61 | return owned_socket.release(); |
| 62 | } |
| 63 | |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 64 | AsyncTCPSocketBase::AsyncTCPSocketBase(AsyncSocket* socket, |
| 65 | bool listen, |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 66 | size_t max_packet_size) |
| 67 | : socket_(socket), |
| 68 | listen_(listen), |
jbauch | 313afba | 2016-03-03 11:41:05 | [diff] [blame] | 69 | max_insize_(max_packet_size), |
jbauch | 250fc65 | 2016-02-28 23:06:40 | [diff] [blame] | 70 | max_outsize_(max_packet_size) { |
jbauch | 3c16576 | 2016-02-26 17:31:32 | [diff] [blame] | 71 | if (!listen_) { |
| 72 | // Listening sockets don't send/receive data, so they don't need buffers. |
jbauch | 313afba | 2016-03-03 11:41:05 | [diff] [blame] | 73 | inbuf_.EnsureCapacity(kMinimumRecvSize); |
jbauch | 3c16576 | 2016-02-26 17:31:32 | [diff] [blame] | 74 | } |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 75 | |
deadbeef | 37f5ecf | 2017-02-27 22:06:41 | [diff] [blame] | 76 | RTC_DCHECK(socket_.get() != nullptr); |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 77 | socket_->SignalConnectEvent.connect(this, |
| 78 | &AsyncTCPSocketBase::OnConnectEvent); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 79 | socket_->SignalReadEvent.connect(this, &AsyncTCPSocketBase::OnReadEvent); |
| 80 | socket_->SignalWriteEvent.connect(this, &AsyncTCPSocketBase::OnWriteEvent); |
| 81 | socket_->SignalCloseEvent.connect(this, &AsyncTCPSocketBase::OnCloseEvent); |
| 82 | |
| 83 | if (listen_) { |
| 84 | if (socket_->Listen(kListenBacklog) < 0) { |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 85 | RTC_LOG(LS_ERROR) << "Listen() failed with error " << socket_->GetError(); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 86 | } |
| 87 | } |
| 88 | } |
| 89 | |
jbauch | 3c16576 | 2016-02-26 17:31:32 | [diff] [blame] | 90 | AsyncTCPSocketBase::~AsyncTCPSocketBase() {} |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 91 | |
| 92 | SocketAddress AsyncTCPSocketBase::GetLocalAddress() const { |
| 93 | return socket_->GetLocalAddress(); |
| 94 | } |
| 95 | |
| 96 | SocketAddress AsyncTCPSocketBase::GetRemoteAddress() const { |
| 97 | return socket_->GetRemoteAddress(); |
| 98 | } |
| 99 | |
| 100 | int AsyncTCPSocketBase::Close() { |
| 101 | return socket_->Close(); |
| 102 | } |
| 103 | |
| 104 | AsyncTCPSocket::State AsyncTCPSocketBase::GetState() const { |
| 105 | switch (socket_->GetState()) { |
| 106 | case Socket::CS_CLOSED: |
| 107 | return STATE_CLOSED; |
| 108 | case Socket::CS_CONNECTING: |
| 109 | if (listen_) { |
| 110 | return STATE_BOUND; |
| 111 | } else { |
| 112 | return STATE_CONNECTING; |
| 113 | } |
| 114 | case Socket::CS_CONNECTED: |
| 115 | return STATE_CONNECTED; |
| 116 | default: |
jbauch | 3c16576 | 2016-02-26 17:31:32 | [diff] [blame] | 117 | RTC_NOTREACHED(); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 118 | return STATE_CLOSED; |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | int AsyncTCPSocketBase::GetOption(Socket::Option opt, int* value) { |
| 123 | return socket_->GetOption(opt, value); |
| 124 | } |
| 125 | |
| 126 | int AsyncTCPSocketBase::SetOption(Socket::Option opt, int value) { |
| 127 | return socket_->SetOption(opt, value); |
| 128 | } |
| 129 | |
| 130 | int AsyncTCPSocketBase::GetError() const { |
| 131 | return socket_->GetError(); |
| 132 | } |
| 133 | |
| 134 | void AsyncTCPSocketBase::SetError(int error) { |
| 135 | return socket_->SetError(error); |
| 136 | } |
| 137 | |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 138 | int AsyncTCPSocketBase::SendTo(const void* pv, |
| 139 | size_t cb, |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 140 | const SocketAddress& addr, |
| 141 | const rtc::PacketOptions& options) { |
honghaiz | b19eba3 | 2015-08-03 17:23:31 | [diff] [blame] | 142 | const SocketAddress& remote_address = GetRemoteAddress(); |
| 143 | if (addr == remote_address) |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 144 | return Send(pv, cb, options); |
honghaiz | b19eba3 | 2015-08-03 17:23:31 | [diff] [blame] | 145 | // Remote address may be empty if there is a sudden network change. |
jbauch | 3c16576 | 2016-02-26 17:31:32 | [diff] [blame] | 146 | RTC_DCHECK(remote_address.IsNil()); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 147 | socket_->SetError(ENOTCONN); |
| 148 | return -1; |
| 149 | } |
| 150 | |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 151 | int AsyncTCPSocketBase::FlushOutBuffer() { |
jbauch | 250fc65 | 2016-02-28 23:06:40 | [diff] [blame] | 152 | RTC_DCHECK(!listen_); |
Steve Anton | 3fa2b80 | 2020-01-31 18:31:53 | [diff] [blame] | 153 | RTC_DCHECK_GT(outbuf_.size(), 0); |
| 154 | rtc::ArrayView<uint8_t> view = outbuf_; |
| 155 | int res; |
| 156 | while (view.size() > 0) { |
| 157 | res = socket_->Send(view.data(), view.size()); |
| 158 | if (res <= 0) { |
| 159 | break; |
| 160 | } |
| 161 | if (static_cast<size_t>(res) > view.size()) { |
| 162 | RTC_NOTREACHED(); |
| 163 | res = -1; |
| 164 | break; |
| 165 | } |
| 166 | view = view.subview(res); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 167 | } |
Steve Anton | 3fa2b80 | 2020-01-31 18:31:53 | [diff] [blame] | 168 | if (res > 0) { |
| 169 | // The output buffer may have been written out over multiple partial Send(), |
| 170 | // so reconstruct the total written length. |
| 171 | RTC_DCHECK_EQ(view.size(), 0); |
| 172 | res = outbuf_.size(); |
| 173 | outbuf_.Clear(); |
| 174 | } else { |
| 175 | // There was an error when calling Send(), so there will still be data left |
| 176 | // to send at a later point. |
| 177 | RTC_DCHECK_GT(view.size(), 0); |
| 178 | // In the special case of EWOULDBLOCK, signal that we had a partial write. |
| 179 | if (socket_->GetError() == EWOULDBLOCK) { |
| 180 | res = outbuf_.size() - view.size(); |
| 181 | } |
| 182 | if (view.size() < outbuf_.size()) { |
| 183 | memmove(outbuf_.data(), view.data(), view.size()); |
| 184 | outbuf_.SetSize(view.size()); |
| 185 | } |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 186 | } |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 187 | return res; |
| 188 | } |
| 189 | |
| 190 | void AsyncTCPSocketBase::AppendToOutBuffer(const void* pv, size_t cb) { |
jbauch | 250fc65 | 2016-02-28 23:06:40 | [diff] [blame] | 191 | RTC_DCHECK(outbuf_.size() + cb <= max_outsize_); |
| 192 | RTC_DCHECK(!listen_); |
| 193 | outbuf_.AppendData(static_cast<const uint8_t*>(pv), cb); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 194 | } |
| 195 | |
| 196 | void AsyncTCPSocketBase::OnConnectEvent(AsyncSocket* socket) { |
| 197 | SignalConnect(this); |
| 198 | } |
| 199 | |
| 200 | void AsyncTCPSocketBase::OnReadEvent(AsyncSocket* socket) { |
jbauch | 3c16576 | 2016-02-26 17:31:32 | [diff] [blame] | 201 | RTC_DCHECK(socket_.get() == socket); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 202 | |
| 203 | if (listen_) { |
| 204 | rtc::SocketAddress address; |
| 205 | rtc::AsyncSocket* new_socket = socket->Accept(&address); |
| 206 | if (!new_socket) { |
jbauch | 313afba | 2016-03-03 11:41:05 | [diff] [blame] | 207 | // TODO(stefan): Do something better like forwarding the error |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 208 | // to the user. |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 209 | RTC_LOG(LS_ERROR) << "TCP accept failed with error " |
| 210 | << socket_->GetError(); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 211 | return; |
| 212 | } |
| 213 | |
| 214 | HandleIncomingConnection(new_socket); |
| 215 | |
| 216 | // Prime a read event in case data is waiting. |
| 217 | new_socket->SignalReadEvent(new_socket); |
| 218 | } else { |
jbauch | 313afba | 2016-03-03 11:41:05 | [diff] [blame] | 219 | size_t total_recv = 0; |
| 220 | while (true) { |
| 221 | size_t free_size = inbuf_.capacity() - inbuf_.size(); |
| 222 | if (free_size < kMinimumRecvSize && inbuf_.capacity() < max_insize_) { |
| 223 | inbuf_.EnsureCapacity(std::min(max_insize_, inbuf_.capacity() * 2)); |
| 224 | free_size = inbuf_.capacity() - inbuf_.size(); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 225 | } |
jbauch | 313afba | 2016-03-03 11:41:05 | [diff] [blame] | 226 | |
Stefan Holmer | 9131efd | 2016-05-23 16:19:26 | [diff] [blame] | 227 | int len = |
| 228 | socket_->Recv(inbuf_.data() + inbuf_.size(), free_size, nullptr); |
jbauch | 313afba | 2016-03-03 11:41:05 | [diff] [blame] | 229 | if (len < 0) { |
| 230 | // TODO(stefan): Do something better like forwarding the error to the |
| 231 | // user. |
| 232 | if (!socket_->IsBlocking()) { |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 233 | RTC_LOG(LS_ERROR) << "Recv() returned error: " << socket_->GetError(); |
jbauch | 313afba | 2016-03-03 11:41:05 | [diff] [blame] | 234 | } |
| 235 | break; |
| 236 | } |
| 237 | |
| 238 | total_recv += len; |
| 239 | inbuf_.SetSize(inbuf_.size() + len); |
| 240 | if (!len || static_cast<size_t>(len) < free_size) { |
| 241 | break; |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | if (!total_recv) { |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 246 | return; |
| 247 | } |
| 248 | |
jbauch | 313afba | 2016-03-03 11:41:05 | [diff] [blame] | 249 | size_t size = inbuf_.size(); |
| 250 | ProcessInput(inbuf_.data<char>(), &size); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 251 | |
jbauch | 313afba | 2016-03-03 11:41:05 | [diff] [blame] | 252 | if (size > inbuf_.size()) { |
Mirko Bonadei | 675513b | 2017-11-09 10:09:25 | [diff] [blame] | 253 | RTC_LOG(LS_ERROR) << "input buffer overflow"; |
jbauch | 3c16576 | 2016-02-26 17:31:32 | [diff] [blame] | 254 | RTC_NOTREACHED(); |
jbauch | 313afba | 2016-03-03 11:41:05 | [diff] [blame] | 255 | inbuf_.Clear(); |
| 256 | } else { |
| 257 | inbuf_.SetSize(size); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 258 | } |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | void AsyncTCPSocketBase::OnWriteEvent(AsyncSocket* socket) { |
jbauch | 3c16576 | 2016-02-26 17:31:32 | [diff] [blame] | 263 | RTC_DCHECK(socket_.get() == socket); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 264 | |
jbauch | 250fc65 | 2016-02-28 23:06:40 | [diff] [blame] | 265 | if (outbuf_.size() > 0) { |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 266 | FlushOutBuffer(); |
| 267 | } |
| 268 | |
jbauch | 250fc65 | 2016-02-28 23:06:40 | [diff] [blame] | 269 | if (outbuf_.size() == 0) { |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 270 | SignalReadyToSend(this); |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | void AsyncTCPSocketBase::OnCloseEvent(AsyncSocket* socket, int error) { |
| 275 | SignalClose(this, error); |
| 276 | } |
| 277 | |
| 278 | // AsyncTCPSocket |
| 279 | // Binds and connects |socket| and creates AsyncTCPSocket for |
deadbeef | 37f5ecf | 2017-02-27 22:06:41 | [diff] [blame] | 280 | // it. Takes ownership of |socket|. Returns null if bind() or |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 281 | // connect() fail (|socket| is destroyed in that case). |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 282 | AsyncTCPSocket* AsyncTCPSocket::Create(AsyncSocket* socket, |
| 283 | const SocketAddress& bind_address, |
| 284 | const SocketAddress& remote_address) { |
| 285 | return new AsyncTCPSocket( |
| 286 | AsyncTCPSocketBase::ConnectSocket(socket, bind_address, remote_address), |
| 287 | false); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | AsyncTCPSocket::AsyncTCPSocket(AsyncSocket* socket, bool listen) |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 291 | : AsyncTCPSocketBase(socket, listen, kBufSize) {} |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 292 | |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 293 | int AsyncTCPSocket::Send(const void* pv, |
| 294 | size_t cb, |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 295 | const rtc::PacketOptions& options) { |
| 296 | if (cb > kBufSize) { |
| 297 | SetError(EMSGSIZE); |
| 298 | return -1; |
| 299 | } |
| 300 | |
| 301 | // If we are blocking on send, then silently drop this packet |
| 302 | if (!IsOutBufferEmpty()) |
| 303 | return static_cast<int>(cb); |
| 304 | |
| 305 | PacketLength pkt_len = HostToNetwork16(static_cast<PacketLength>(cb)); |
| 306 | AppendToOutBuffer(&pkt_len, kPacketLenSize); |
| 307 | AppendToOutBuffer(pv, cb); |
| 308 | |
| 309 | int res = FlushOutBuffer(); |
| 310 | if (res <= 0) { |
| 311 | // drop packet if we made no progress |
| 312 | ClearOutBuffer(); |
| 313 | return res; |
| 314 | } |
| 315 | |
Qingsi Wang | 6e641e6 | 2018-04-12 03:14:17 | [diff] [blame] | 316 | rtc::SentPacket sent_packet(options.packet_id, rtc::TimeMillis(), |
| 317 | options.info_signaled_after_sent); |
Qingsi Wang | 4ea53b3 | 2018-04-17 01:22:31 | [diff] [blame] | 318 | CopySocketInformationToPacketInfo(cb, *this, false, &sent_packet.info); |
stefan | c1aeaf0 | 2015-10-15 14:26:07 | [diff] [blame] | 319 | SignalSentPacket(this, sent_packet); |
| 320 | |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 321 | // We claim to have sent the whole thing, even if we only sent partial |
| 322 | return static_cast<int>(cb); |
| 323 | } |
| 324 | |
Yves Gerey | 665174f | 2018-06-19 13:03:05 | [diff] [blame] | 325 | void AsyncTCPSocket::ProcessInput(char* data, size_t* len) { |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 326 | SocketAddress remote_addr(GetRemoteAddress()); |
| 327 | |
| 328 | while (true) { |
| 329 | if (*len < kPacketLenSize) |
| 330 | return; |
| 331 | |
| 332 | PacketLength pkt_len = rtc::GetBE16(data); |
| 333 | if (*len < kPacketLenSize + pkt_len) |
| 334 | return; |
| 335 | |
| 336 | SignalReadPacket(this, data + kPacketLenSize, pkt_len, remote_addr, |
Niels Möller | 15ca5a9 | 2018-11-01 13:32:47 | [diff] [blame] | 337 | TimeMicros()); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 338 | |
| 339 | *len -= kPacketLenSize + pkt_len; |
| 340 | if (*len > 0) { |
| 341 | memmove(data, data + kPacketLenSize + pkt_len, *len); |
| 342 | } |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | void AsyncTCPSocket::HandleIncomingConnection(AsyncSocket* socket) { |
| 347 | SignalNewConnection(this, new AsyncTCPSocket(socket, false)); |
| 348 | } |
| 349 | |
| 350 | } // namespace rtc |