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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 "extensions/browser/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), socket_mode_(UNKNOWN) {} | |
| 44 | |
| 45 TCPSocket::TCPSocket(net::TCPClientSocket* tcp_client_socket, | |
| 46 const std::string& owner_extension_id, | |
| 47 bool is_connected) | |
| 48 : Socket(owner_extension_id), | |
| 49 socket_(tcp_client_socket), | |
| 50 socket_mode_(CLIENT) { | |
| 51 this->is_connected_ = is_connected; | |
| 52 } | |
| 53 | |
| 54 TCPSocket::TCPSocket(net::TCPServerSocket* tcp_server_socket, | |
| 55 const std::string& owner_extension_id) | |
| 56 : Socket(owner_extension_id), | |
| 57 server_socket_(tcp_server_socket), | |
| 58 socket_mode_(SERVER) {} | |
| 59 | |
| 60 // static | |
| 61 TCPSocket* TCPSocket::CreateSocketForTesting( | |
| 62 net::TCPClientSocket* tcp_client_socket, | |
| 63 const std::string& owner_extension_id, | |
| 64 bool is_connected) { | |
| 65 return new TCPSocket(tcp_client_socket, owner_extension_id, is_connected); | |
| 66 } | |
| 67 | |
| 68 // static | |
| 69 TCPSocket* TCPSocket::CreateServerSocketForTesting( | |
| 70 net::TCPServerSocket* tcp_server_socket, | |
| 71 const std::string& owner_extension_id) { | |
| 72 return new TCPSocket(tcp_server_socket, owner_extension_id); | |
| 73 } | |
| 74 | |
| 75 TCPSocket::~TCPSocket() { Disconnect(); } | |
| 76 | |
| 77 void TCPSocket::Connect(const std::string& address, | |
| 78 int port, | |
| 79 const CompletionCallback& callback) { | |
| 80 DCHECK(!callback.is_null()); | |
| 81 | |
| 82 if (socket_mode_ == SERVER || !connect_callback_.is_null()) { | |
| 83 callback.Run(net::ERR_CONNECTION_FAILED); | |
| 84 return; | |
| 85 } | |
| 86 DCHECK(!server_socket_.get()); | |
| 87 socket_mode_ = CLIENT; | |
| 88 connect_callback_ = callback; | |
| 89 | |
| 90 int result = net::ERR_CONNECTION_FAILED; | |
| 91 do { | |
| 92 if (is_connected_) | |
| 93 break; | |
| 94 | |
| 95 net::AddressList address_list; | |
| 96 if (!StringAndPortToAddressList(address, port, &address_list)) { | |
| 97 result = net::ERR_ADDRESS_INVALID; | |
| 98 break; | |
| 99 } | |
| 100 | |
| 101 socket_.reset( | |
| 102 new net::TCPClientSocket(address_list, NULL, net::NetLog::Source())); | |
| 103 | |
| 104 connect_callback_ = callback; | |
| 105 result = socket_->Connect( | |
| 106 base::Bind(&TCPSocket::OnConnectComplete, base::Unretained(this))); | |
| 107 } while (false); | |
| 108 | |
| 109 if (result != net::ERR_IO_PENDING) | |
| 110 OnConnectComplete(result); | |
| 111 } | |
| 112 | |
| 113 void TCPSocket::Disconnect() { | |
| 114 is_connected_ = false; | |
| 115 if (socket_.get()) | |
| 116 socket_->Disconnect(); | |
| 117 server_socket_.reset(NULL); | |
| 118 connect_callback_.Reset(); | |
| 119 read_callback_.Reset(); | |
| 120 accept_callback_.Reset(); | |
| 121 accept_socket_.reset(NULL); | |
| 122 } | |
| 123 | |
| 124 int TCPSocket::Bind(const std::string& address, int port) { | |
| 125 return net::ERR_FAILED; | |
| 126 } | |
| 127 | |
| 128 void TCPSocket::Read(int count, const ReadCompletionCallback& callback) { | |
| 129 DCHECK(!callback.is_null()); | |
| 130 | |
| 131 if (socket_mode_ != CLIENT) { | |
| 132 callback.Run(net::ERR_FAILED, NULL); | |
| 133 return; | |
| 134 } | |
| 135 | |
| 136 if (!read_callback_.is_null()) { | |
| 137 callback.Run(net::ERR_IO_PENDING, NULL); | |
| 138 return; | |
| 139 } | |
| 140 | |
| 141 if (count < 0) { | |
| 142 callback.Run(net::ERR_INVALID_ARGUMENT, NULL); | |
| 143 return; | |
| 144 } | |
| 145 | |
| 146 if (!socket_.get() || !IsConnected()) { | |
| 147 callback.Run(net::ERR_SOCKET_NOT_CONNECTED, NULL); | |
| 148 return; | |
| 149 } | |
| 150 | |
| 151 read_callback_ = callback; | |
| 152 scoped_refptr<net::IOBuffer> io_buffer = new net::IOBuffer(count); | |
| 153 int result = socket_->Read( | |
| 154 io_buffer.get(), | |
| 155 count, | |
| 156 base::Bind( | |
| 157 &TCPSocket::OnReadComplete, base::Unretained(this), io_buffer)); | |
| 158 | |
| 159 if (result != net::ERR_IO_PENDING) | |
| 160 OnReadComplete(io_buffer, result); | |
| 161 } | |
| 162 | |
| 163 void TCPSocket::RecvFrom(int count, | |
| 164 const RecvFromCompletionCallback& callback) { | |
| 165 callback.Run(net::ERR_FAILED, NULL, NULL, 0); | |
| 166 } | |
| 167 | |
| 168 void TCPSocket::SendTo(scoped_refptr<net::IOBuffer> io_buffer, | |
| 169 int byte_count, | |
| 170 const std::string& address, | |
| 171 int port, | |
| 172 const CompletionCallback& callback) { | |
| 173 callback.Run(net::ERR_FAILED); | |
| 174 } | |
| 175 | |
| 176 bool TCPSocket::SetKeepAlive(bool enable, int delay) { | |
| 177 if (!socket_.get()) | |
| 178 return false; | |
| 179 return socket_->SetKeepAlive(enable, delay); | |
| 180 } | |
| 181 | |
| 182 bool TCPSocket::SetNoDelay(bool no_delay) { | |
| 183 if (!socket_.get()) | |
| 184 return false; | |
| 185 return socket_->SetNoDelay(no_delay); | |
| 186 } | |
| 187 | |
| 188 int TCPSocket::Listen(const std::string& address, | |
| 189 int port, | |
| 190 int backlog, | |
| 191 std::string* error_msg) { | |
| 192 if (socket_mode_ == CLIENT) { | |
| 193 *error_msg = kTCPSocketTypeInvalidError; | |
| 194 return net::ERR_NOT_IMPLEMENTED; | |
| 195 } | |
| 196 DCHECK(!socket_.get()); | |
| 197 socket_mode_ = SERVER; | |
| 198 | |
| 199 scoped_ptr<net::IPEndPoint> bind_address(new net::IPEndPoint()); | |
| 200 if (!StringAndPortToIPEndPoint(address, port, bind_address.get())) | |
| 201 return net::ERR_INVALID_ARGUMENT; | |
| 202 | |
| 203 if (!server_socket_.get()) { | |
| 204 server_socket_.reset(new net::TCPServerSocket(NULL, net::NetLog::Source())); | |
| 205 } | |
| 206 int result = server_socket_->Listen(*bind_address, backlog); | |
| 207 if (result) | |
| 208 *error_msg = kSocketListenError; | |
| 209 return result; | |
| 210 } | |
| 211 | |
| 212 void TCPSocket::Accept(const AcceptCompletionCallback& callback) { | |
| 213 if (socket_mode_ != SERVER || !server_socket_.get()) { | |
| 214 callback.Run(net::ERR_FAILED, NULL); | |
| 215 return; | |
| 216 } | |
| 217 | |
| 218 // Limits to only 1 blocked accept call. | |
| 219 if (!accept_callback_.is_null()) { | |
| 220 callback.Run(net::ERR_FAILED, NULL); | |
| 221 return; | |
| 222 } | |
| 223 | |
| 224 int result = server_socket_->Accept( | |
| 225 &accept_socket_, | |
| 226 base::Bind(&TCPSocket::OnAccept, base::Unretained(this))); | |
| 227 if (result == net::ERR_IO_PENDING) { | |
| 228 accept_callback_ = callback; | |
| 229 } else if (result == net::OK) { | |
| 230 accept_callback_ = callback; | |
| 231 this->OnAccept(result); | |
| 232 } else { | |
| 233 callback.Run(result, NULL); | |
| 234 } | |
| 235 } | |
| 236 | |
| 237 bool TCPSocket::IsConnected() { | |
| 238 RefreshConnectionStatus(); | |
| 239 return is_connected_; | |
| 240 } | |
| 241 | |
| 242 bool TCPSocket::GetPeerAddress(net::IPEndPoint* address) { | |
| 243 if (!socket_.get()) | |
| 244 return false; | |
| 245 return !socket_->GetPeerAddress(address); | |
| 246 } | |
| 247 | |
| 248 bool TCPSocket::GetLocalAddress(net::IPEndPoint* address) { | |
| 249 if (socket_.get()) { | |
| 250 return !socket_->GetLocalAddress(address); | |
| 251 } else if (server_socket_.get()) { | |
| 252 return !server_socket_->GetLocalAddress(address); | |
| 253 } else { | |
| 254 return false; | |
| 255 } | |
| 256 } | |
| 257 | |
| 258 Socket::SocketType TCPSocket::GetSocketType() const { return Socket::TYPE_TCP; } | |
| 259 | |
| 260 int TCPSocket::WriteImpl(net::IOBuffer* io_buffer, | |
| 261 int io_buffer_size, | |
| 262 const net::CompletionCallback& callback) { | |
| 263 if (socket_mode_ != CLIENT) | |
| 264 return net::ERR_FAILED; | |
| 265 else if (!socket_.get() || !IsConnected()) | |
| 266 return net::ERR_SOCKET_NOT_CONNECTED; | |
| 267 else | |
| 268 return socket_->Write(io_buffer, io_buffer_size, callback); | |
| 269 } | |
| 270 | |
| 271 void TCPSocket::RefreshConnectionStatus() { | |
| 272 if (!is_connected_) | |
| 273 return; | |
| 274 if (server_socket_) | |
| 275 return; | |
| 276 if (!socket_->IsConnected()) { | |
| 277 Disconnect(); | |
| 278 } | |
| 279 } | |
| 280 | |
| 281 void TCPSocket::OnConnectComplete(int result) { | |
| 282 DCHECK(!connect_callback_.is_null()); | |
| 283 DCHECK(!is_connected_); | |
| 284 is_connected_ = result == net::OK; | |
| 285 connect_callback_.Run(result); | |
| 286 connect_callback_.Reset(); | |
| 287 } | |
| 288 | |
| 289 void TCPSocket::OnReadComplete(scoped_refptr<net::IOBuffer> io_buffer, | |
| 290 int result) { | |
| 291 DCHECK(!read_callback_.is_null()); | |
| 292 read_callback_.Run(result, io_buffer); | |
| 293 read_callback_.Reset(); | |
| 294 } | |
| 295 | |
| 296 void TCPSocket::OnAccept(int result) { | |
| 297 DCHECK(!accept_callback_.is_null()); | |
| 298 if (result == net::OK && accept_socket_.get()) { | |
| 299 accept_callback_.Run( | |
| 300 result, static_cast<net::TCPClientSocket*>(accept_socket_.release())); | |
| 301 } else { | |
| 302 accept_callback_.Run(result, NULL); | |
| 303 } | |
| 304 accept_callback_.Reset(); | |
| 305 } | |
| 306 | |
| 307 ResumableTCPSocket::ResumableTCPSocket(const std::string& owner_extension_id) | |
| 308 : TCPSocket(owner_extension_id), | |
| 309 persistent_(false), | |
| 310 buffer_size_(0), | |
| 311 paused_(false) {} | |
| 312 | |
| 313 ResumableTCPSocket::ResumableTCPSocket(net::TCPClientSocket* tcp_client_socket, | |
| 314 const std::string& owner_extension_id, | |
| 315 bool is_connected) | |
| 316 : TCPSocket(tcp_client_socket, owner_extension_id, is_connected), | |
| 317 persistent_(false), | |
| 318 buffer_size_(0), | |
| 319 paused_(false) {} | |
| 320 | |
| 321 bool ResumableTCPSocket::IsPersistent() const { return persistent(); } | |
| 322 | |
| 323 ResumableTCPServerSocket::ResumableTCPServerSocket( | |
| 324 const std::string& owner_extension_id) | |
| 325 : TCPSocket(owner_extension_id), persistent_(false), paused_(false) {} | |
| 326 | |
| 327 bool ResumableTCPServerSocket::IsPersistent() const { return persistent(); } | |
| 328 | |
| 329 } // 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