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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/extensions/api/socket/tcp_socket.h" | |
| 6 | |
| 7 #include "chrome/browser/extensions/api/api_resource.h" | |
| 8 #include "net/base/address_list.h" | |
| 9 #include "net/base/ip_endpoint.h" | |
| 10 #include "net/base/net_errors.h" | |
| 11 #include "net/base/rand_callback.h" | |
| 12 #include "net/socket/tcp_client_socket.h" | |
| 13 | |
| 14 namespace extensions { | |
| 15 | |
| 16 const char kTCPSocketTypeInvalidError[] = | |
| 17 "Cannot call both connect and listen on the same socket."; | |
| 18 const char kSocketListenError[] = "Could not listen on the specified port."; | |
| 19 | |
| 20 static base::LazyInstance< | |
| 21 BrowserContextKeyedAPIFactory<ApiResourceManager<ResumableTCPSocket> > > | |
| 22 g_factory = LAZY_INSTANCE_INITIALIZER; | |
| 23 | |
| 24 // static | |
| 25 template <> | |
| 26 BrowserContextKeyedAPIFactory<ApiResourceManager<ResumableTCPSocket> >* | |
| 27 ApiResourceManager<ResumableTCPSocket>::GetFactoryInstance() { | |
| 28 return g_factory.Pointer(); | |
| 29 } | |
| 30 | |
| 31 static base::LazyInstance<BrowserContextKeyedAPIFactory< | |
| 32 ApiResourceManager<ResumableTCPServerSocket> > > g_server_factory = | |
| 33 LAZY_INSTANCE_INITIALIZER; | |
| 34 | |
| 35 // static | |
| 36 template <> | |
| 37 BrowserContextKeyedAPIFactory<ApiResourceManager<ResumableTCPServerSocket> >* | |
| 38 ApiResourceManager<ResumableTCPServerSocket>::GetFactoryInstance() { | |
| 39 return g_server_factory.Pointer(); | |
| 40 } | |
| 41 | |
| 42 TCPSocket::TCPSocket(const std::string& owner_extension_id) | |
| 43 : Socket(owner_extension_id), | |
| 44 socket_mode_(UNKNOWN) { | |
| 45 } | |
| 46 | |
| 47 TCPSocket::TCPSocket(net::TCPClientSocket* tcp_client_socket, | |
| 48 const std::string& owner_extension_id, | |
| 49 bool is_connected) | |
| 50 : Socket(owner_extension_id), | |
| 51 socket_(tcp_client_socket), | |
| 52 socket_mode_(CLIENT) { | |
| 53 this->is_connected_ = is_connected; | |
| 54 } | |
| 55 | |
| 56 TCPSocket::TCPSocket(net::TCPServerSocket* tcp_server_socket, | |
| 57 const std::string& owner_extension_id) | |
| 58 : Socket(owner_extension_id), | |
| 59 server_socket_(tcp_server_socket), | |
| 60 socket_mode_(SERVER) { | |
| 61 } | |
| 62 | |
| 63 // static | |
| 64 TCPSocket* TCPSocket::CreateSocketForTesting( | |
| 65 net::TCPClientSocket* tcp_client_socket, | |
| 66 const std::string& owner_extension_id, | |
| 67 bool is_connected) { | |
| 68 return new TCPSocket(tcp_client_socket, owner_extension_id, is_connected); | |
| 69 } | |
| 70 | |
| 71 // static | |
| 72 TCPSocket* TCPSocket::CreateServerSocketForTesting( | |
| 73 net::TCPServerSocket* tcp_server_socket, | |
| 74 const std::string& owner_extension_id) { | |
| 75 return new TCPSocket(tcp_server_socket, owner_extension_id); | |
| 76 } | |
| 77 | |
| 78 TCPSocket::~TCPSocket() { | |
| 79 Disconnect(); | |
| 80 } | |
| 81 | |
| 82 void TCPSocket::Connect(const std::string& address, | |
| 83 int port, | |
| 84 const CompletionCallback& callback) { | |
| 85 DCHECK(!callback.is_null()); | |
| 86 | |
| 87 if (socket_mode_ == SERVER || !connect_callback_.is_null()) { | |
| 88 callback.Run(net::ERR_CONNECTION_FAILED); | |
| 89 return; | |
| 90 } | |
| 91 DCHECK(!server_socket_.get()); | |
| 92 socket_mode_ = CLIENT; | |
| 93 connect_callback_ = callback; | |
| 94 | |
| 95 int result = net::ERR_CONNECTION_FAILED; | |
| 96 do { | |
| 97 if (is_connected_) | |
| 98 break; | |
| 99 | |
| 100 net::AddressList address_list; | |
| 101 if (!StringAndPortToAddressList(address, port, &address_list)) { | |
| 102 result = net::ERR_ADDRESS_INVALID; | |
| 103 break; | |
| 104 } | |
| 105 | |
| 106 socket_.reset(new net::TCPClientSocket(address_list, NULL, | |
| 107 net::NetLog::Source())); | |
| 108 | |
| 109 connect_callback_ = callback; | |
| 110 result = socket_->Connect(base::Bind( | |
| 111 &TCPSocket::OnConnectComplete, base::Unretained(this))); | |
| 112 } while (false); | |
| 113 | |
| 114 if (result != net::ERR_IO_PENDING) | |
| 115 OnConnectComplete(result); | |
| 116 } | |
| 117 | |
| 118 void TCPSocket::Disconnect() { | |
| 119 is_connected_ = false; | |
| 120 if (socket_.get()) | |
| 121 socket_->Disconnect(); | |
| 122 server_socket_.reset(NULL); | |
| 123 connect_callback_.Reset(); | |
| 124 read_callback_.Reset(); | |
| 125 accept_callback_.Reset(); | |
| 126 accept_socket_.reset(NULL); | |
| 127 } | |
| 128 | |
| 129 int TCPSocket::Bind(const std::string& address, int port) { | |
| 130 return net::ERR_FAILED; | |
| 131 } | |
| 132 | |
| 133 void TCPSocket::Read(int count, | |
| 134 const ReadCompletionCallback& callback) { | |
| 135 DCHECK(!callback.is_null()); | |
| 136 | |
| 137 if (socket_mode_ != CLIENT) { | |
| 138 callback.Run(net::ERR_FAILED, NULL); | |
| 139 return; | |
| 140 } | |
| 141 | |
| 142 if (!read_callback_.is_null()) { | |
| 143 callback.Run(net::ERR_IO_PENDING, NULL); | |
| 144 return; | |
| 145 } | |
| 146 | |
| 147 if (count < 0) { | |
| 148 callback.Run(net::ERR_INVALID_ARGUMENT, NULL); | |
| 149 return; | |
| 150 } | |
| 151 | |
| 152 if (!socket_.get() || !IsConnected()) { | |
| 153 callback.Run(net::ERR_SOCKET_NOT_CONNECTED, NULL); | |
| 154 return; | |
| 155 } | |
| 156 | |
| 157 read_callback_ = callback; | |
| 158 scoped_refptr<net::IOBuffer> io_buffer = new net::IOBuffer(count); | |
| 159 int result = socket_->Read(io_buffer.get(), count, | |
| 160 base::Bind(&TCPSocket::OnReadComplete, base::Unretained(this), | |
| 161 io_buffer)); | |
| 162 | |
| 163 if (result != net::ERR_IO_PENDING) | |
| 164 OnReadComplete(io_buffer, result); | |
| 165 } | |
| 166 | |
| 167 void TCPSocket::RecvFrom(int count, | |
| 168 const RecvFromCompletionCallback& callback) { | |
| 169 callback.Run(net::ERR_FAILED, NULL, NULL, 0); | |
| 170 } | |
| 171 | |
| 172 void TCPSocket::SendTo(scoped_refptr<net::IOBuffer> io_buffer, | |
| 173 int byte_count, | |
| 174 const std::string& address, | |
| 175 int port, | |
| 176 const CompletionCallback& callback) { | |
| 177 callback.Run(net::ERR_FAILED); | |
| 178 } | |
| 179 | |
| 180 bool TCPSocket::SetKeepAlive(bool enable, int delay) { | |
| 181 if (!socket_.get()) | |
| 182 return false; | |
| 183 return socket_->SetKeepAlive(enable, delay); | |
| 184 } | |
| 185 | |
| 186 bool TCPSocket::SetNoDelay(bool no_delay) { | |
| 187 if (!socket_.get()) | |
| 188 return false; | |
| 189 return socket_->SetNoDelay(no_delay); | |
| 190 } | |
| 191 | |
| 192 int TCPSocket::Listen(const std::string& address, int port, int backlog, | |
| 193 std::string* error_msg) { | |
| 194 if (socket_mode_ == CLIENT) { | |
| 195 *error_msg = kTCPSocketTypeInvalidError; | |
| 196 return net::ERR_NOT_IMPLEMENTED; | |
| 197 } | |
| 198 DCHECK(!socket_.get()); | |
| 199 socket_mode_ = SERVER; | |
| 200 | |
| 201 scoped_ptr<net::IPEndPoint> bind_address(new net::IPEndPoint()); | |
| 202 if (!StringAndPortToIPEndPoint(address, port, bind_address.get())) | |
| 203 return net::ERR_INVALID_ARGUMENT; | |
| 204 | |
| 205 if (!server_socket_.get()) { | |
| 206 server_socket_.reset(new net::TCPServerSocket(NULL, | |
| 207 net::NetLog::Source())); | |
| 208 } | |
| 209 int result = server_socket_->Listen(*bind_address, backlog); | |
| 210 if (result) | |
| 211 *error_msg = kSocketListenError; | |
| 212 return result; | |
| 213 } | |
| 214 | |
| 215 void TCPSocket::Accept(const AcceptCompletionCallback &callback) { | |
| 216 if (socket_mode_ != SERVER || !server_socket_.get()) { | |
| 217 callback.Run(net::ERR_FAILED, NULL); | |
| 218 return; | |
| 219 } | |
| 220 | |
| 221 // Limits to only 1 blocked accept call. | |
| 222 if (!accept_callback_.is_null()) { | |
| 223 callback.Run(net::ERR_FAILED, NULL); | |
| 224 return; | |
| 225 } | |
| 226 | |
| 227 int result = server_socket_->Accept(&accept_socket_, base::Bind( | |
| 228 &TCPSocket::OnAccept, base::Unretained(this))); | |
| 229 if (result == net::ERR_IO_PENDING) { | |
| 230 accept_callback_ = callback; | |
| 231 } else if (result == net::OK) { | |
| 232 accept_callback_ = callback; | |
| 233 this->OnAccept(result); | |
| 234 } else { | |
| 235 callback.Run(result, NULL); | |
| 236 } | |
| 237 } | |
| 238 | |
| 239 bool TCPSocket::IsConnected() { | |
| 240 RefreshConnectionStatus(); | |
| 241 return is_connected_; | |
| 242 } | |
| 243 | |
| 244 bool TCPSocket::GetPeerAddress(net::IPEndPoint* address) { | |
| 245 if (!socket_.get()) | |
| 246 return false; | |
| 247 return !socket_->GetPeerAddress(address); | |
| 248 } | |
| 249 | |
| 250 bool TCPSocket::GetLocalAddress(net::IPEndPoint* address) { | |
| 251 if (socket_.get()) { | |
| 252 return !socket_->GetLocalAddress(address); | |
| 253 } else if (server_socket_.get()) { | |
| 254 return !server_socket_->GetLocalAddress(address); | |
| 255 } else { | |
| 256 return false; | |
| 257 } | |
| 258 } | |
| 259 | |
| 260 Socket::SocketType TCPSocket::GetSocketType() const { | |
| 261 return Socket::TYPE_TCP; | |
| 262 } | |
| 263 | |
| 264 int TCPSocket::WriteImpl(net::IOBuffer* io_buffer, | |
| 265 int io_buffer_size, | |
| 266 const net::CompletionCallback& callback) { | |
| 267 if (socket_mode_ != CLIENT) | |
| 268 return net::ERR_FAILED; | |
| 269 else if (!socket_.get() || !IsConnected()) | |
| 270 return net::ERR_SOCKET_NOT_CONNECTED; | |
| 271 else | |
| 272 return socket_->Write(io_buffer, io_buffer_size, callback); | |
| 273 } | |
| 274 | |
| 275 void TCPSocket::RefreshConnectionStatus() { | |
| 276 if (!is_connected_) return; | |
| 277 if (server_socket_) return; | |
| 278 if (!socket_->IsConnected()) { | |
| 279 Disconnect(); | |
| 280 } | |
| 281 } | |
| 282 | |
| 283 void TCPSocket::OnConnectComplete(int result) { | |
| 284 DCHECK(!connect_callback_.is_null()); | |
| 285 DCHECK(!is_connected_); | |
| 286 is_connected_ = result == net::OK; | |
| 287 connect_callback_.Run(result); | |
| 288 connect_callback_.Reset(); | |
| 289 } | |
| 290 | |
| 291 void TCPSocket::OnReadComplete(scoped_refptr<net::IOBuffer> io_buffer, | |
| 292 int result) { | |
| 293 DCHECK(!read_callback_.is_null()); | |
| 294 read_callback_.Run(result, io_buffer); | |
| 295 read_callback_.Reset(); | |
| 296 } | |
| 297 | |
| 298 void TCPSocket::OnAccept(int result) { | |
| 299 DCHECK(!accept_callback_.is_null()); | |
| 300 if (result == net::OK && accept_socket_.get()) { | |
| 301 accept_callback_.Run( | |
| 302 result, static_cast<net::TCPClientSocket*>(accept_socket_.release())); | |
| 303 } else { | |
| 304 accept_callback_.Run(result, NULL); | |
| 305 } | |
| 306 accept_callback_.Reset(); | |
| 307 } | |
| 308 | |
| 309 ResumableTCPSocket::ResumableTCPSocket(const std::string& owner_extension_id) | |
| 310 : TCPSocket(owner_extension_id), | |
| 311 persistent_(false), | |
| 312 buffer_size_(0), | |
| 313 paused_(false) { | |
| 314 } | |
| 315 | |
| 316 ResumableTCPSocket::ResumableTCPSocket(net::TCPClientSocket* tcp_client_socket, | |
| 317 const std::string& owner_extension_id, | |
| 318 bool is_connected) | |
| 319 : TCPSocket(tcp_client_socket, owner_extension_id, is_connected), | |
| 320 persistent_(false), | |
| 321 buffer_size_(0), | |
| 322 paused_(false) { | |
| 323 } | |
| 324 | |
| 325 bool ResumableTCPSocket::IsPersistent() const { | |
| 326 return persistent(); | |
| 327 } | |
| 328 | |
| 329 ResumableTCPServerSocket::ResumableTCPServerSocket( | |
| 330 const std::string& owner_extension_id) | |
| 331 : TCPSocket(owner_extension_id), | |
| 332 persistent_(false), | |
| 333 paused_(false) { | |
| 334 } | |
| 335 | |
| 336 bool ResumableTCPServerSocket::IsPersistent() const { | |
| 337 return persistent(); | |
| 338 } | |
| 339 | |
| 340 } // namespace extensions | |
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Chromium Code Reviews
Issue 183893041:
Move sockets APIs out of src/chrome (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src