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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 "content/browser/renderer_host/pepper/pepper_tcp_socket.h" | |
| 6 | |
| 7 #include <string.h> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/bind_helpers.h" | |
| 11 #include "base/compiler_specific.h" | |
| 12 #include "base/logging.h" | |
| 13 #include "base/strings/string_util.h" | |
| 14 #include "content/browser/renderer_host/pepper/pepper_message_filter.h" | |
| 15 #include "content/public/browser/browser_thread.h" | |
| 16 #include "net/base/host_port_pair.h" | |
| 17 #include "net/base/io_buffer.h" | |
| 18 #include "net/base/ip_endpoint.h" | |
| 19 #include "net/base/net_errors.h" | |
| 20 #include "net/cert/cert_verifier.h" | |
| 21 #include "net/cert/x509_certificate.h" | |
| 22 #include "net/dns/host_resolver.h" | |
| 23 #include "net/dns/single_request_host_resolver.h" | |
| 24 #include "net/socket/client_socket_factory.h" | |
| 25 #include "net/socket/client_socket_handle.h" | |
| 26 #include "net/socket/ssl_client_socket.h" | |
| 27 #include "net/socket/tcp_client_socket.h" | |
| 28 #include "ppapi/host/error_conversion.h" | |
| 29 #include "ppapi/proxy/ppapi_messages.h" | |
| 30 #include "ppapi/shared_impl/private/net_address_private_impl.h" | |
| 31 #include "ppapi/shared_impl/private/ppb_x509_certificate_private_shared.h" | |
| 32 #include "ppapi/shared_impl/socket_option_data.h" | |
| 33 #include "ppapi/shared_impl/tcp_socket_shared.h" | |
| 34 | |
| 35 using ppapi::host::NetErrorToPepperError; | |
| 36 using ppapi::NetAddressPrivateImpl; | |
| 37 | |
| 38 namespace content { | |
| 39 | |
| 40 PepperTCPSocket::PepperTCPSocket( | |
| 41 PepperMessageFilter* manager, | |
| 42 int32 routing_id, | |
| 43 uint32 plugin_dispatcher_id, | |
| 44 uint32 socket_id, | |
| 45 bool private_api) | |
| 46 : manager_(manager), | |
| 47 routing_id_(routing_id), | |
| 48 plugin_dispatcher_id_(plugin_dispatcher_id), | |
| 49 socket_id_(socket_id), | |
| 50 private_api_(private_api), | |
| 51 connection_state_(BEFORE_CONNECT), | |
| 52 end_of_file_reached_(false) { | |
| 53 DCHECK(manager); | |
| 54 } | |
| 55 | |
| 56 PepperTCPSocket::PepperTCPSocket( | |
| 57 PepperMessageFilter* manager, | |
| 58 int32 routing_id, | |
| 59 uint32 plugin_dispatcher_id, | |
| 60 uint32 socket_id, | |
| 61 net::StreamSocket* socket, | |
| 62 bool private_api) | |
| 63 : manager_(manager), | |
| 64 routing_id_(routing_id), | |
| 65 plugin_dispatcher_id_(plugin_dispatcher_id), | |
| 66 socket_id_(socket_id), | |
| 67 private_api_(private_api), | |
| 68 connection_state_(CONNECTED), | |
| 69 end_of_file_reached_(false), | |
| 70 socket_(socket) { | |
| 71 DCHECK(manager); | |
| 72 } | |
| 73 | |
| 74 PepperTCPSocket::~PepperTCPSocket() { | |
| 75 // Make sure no further callbacks from socket_. | |
| 76 if (socket_) | |
| 77 socket_->Disconnect(); | |
| 78 } | |
| 79 | |
| 80 void PepperTCPSocket::Connect(const std::string& host, uint16_t port) { | |
| 81 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 82 | |
| 83 if (connection_state_ != BEFORE_CONNECT) { | |
| 84 SendConnectACKError(PP_ERROR_FAILED); | |
| 85 return; | |
| 86 } | |
| 87 | |
| 88 connection_state_ = CONNECT_IN_PROGRESS; | |
| 89 net::HostResolver::RequestInfo request_info(net::HostPortPair(host, port)); | |
| 90 resolver_.reset(new net::SingleRequestHostResolver( | |
| 91 manager_->GetHostResolver())); | |
| 92 int net_result = resolver_->Resolve( | |
| 93 request_info, &address_list_, | |
| 94 base::Bind(&PepperTCPSocket::OnResolveCompleted, base::Unretained(this)), | |
| 95 net::BoundNetLog()); | |
| 96 if (net_result != net::ERR_IO_PENDING) | |
| 97 OnResolveCompleted(net_result); | |
| 98 } | |
| 99 | |
| 100 void PepperTCPSocket::ConnectWithNetAddress( | |
| 101 const PP_NetAddress_Private& net_addr) { | |
| 102 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 103 | |
| 104 if (connection_state_ != BEFORE_CONNECT) { | |
| 105 SendConnectACKError(PP_ERROR_FAILED); | |
| 106 return; | |
| 107 } | |
| 108 | |
| 109 net::IPAddressNumber address; | |
| 110 int port; | |
| 111 if (!NetAddressPrivateImpl::NetAddressToIPEndPoint(net_addr, &address, | |
| 112 &port)) { | |
| 113 SendConnectACKError(PP_ERROR_ADDRESS_INVALID); | |
| 114 return; | |
| 115 } | |
| 116 | |
| 117 // Copy the single IPEndPoint to address_list_. | |
| 118 address_list_.clear(); | |
| 119 address_list_.push_back(net::IPEndPoint(address, port)); | |
| 120 connection_state_ = CONNECT_IN_PROGRESS; | |
| 121 StartConnect(address_list_); | |
| 122 } | |
| 123 | |
| 124 void PepperTCPSocket::SSLHandshake( | |
| 125 const std::string& server_name, | |
| 126 uint16_t server_port, | |
| 127 const std::vector<std::vector<char> >& trusted_certs, | |
| 128 const std::vector<std::vector<char> >& untrusted_certs) { | |
| 129 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 130 | |
| 131 // Allow to do SSL handshake only if currently the socket has been connected | |
| 132 // and there isn't pending read or write. | |
| 133 // IsConnected() includes the state that SSL handshake has been finished and | |
| 134 // therefore isn't suitable here. | |
| 135 if (connection_state_ != CONNECTED || read_buffer_.get() || | |
| 136 write_buffer_base_.get() || write_buffer_.get()) { | |
| 137 SendSSLHandshakeACK(false); | |
| 138 return; | |
| 139 } | |
| 140 | |
| 141 connection_state_ = SSL_HANDSHAKE_IN_PROGRESS; | |
| 142 // TODO(raymes,rsleevi): Use trusted/untrusted certificates when connecting. | |
| 143 | |
| 144 net::ClientSocketHandle* handle = new net::ClientSocketHandle(); | |
| 145 handle->set_socket(socket_.release()); | |
| 146 net::ClientSocketFactory* factory = | |
| 147 net::ClientSocketFactory::GetDefaultFactory(); | |
| 148 net::HostPortPair host_port_pair(server_name, server_port); | |
| 149 net::SSLClientSocketContext ssl_context; | |
| 150 ssl_context.cert_verifier = manager_->GetCertVerifier(); | |
| 151 ssl_context.transport_security_state = manager_->GetTransportSecurityState(); | |
| 152 socket_.reset(factory->CreateSSLClientSocket( | |
| 153 handle, host_port_pair, manager_->ssl_config(), ssl_context)); | |
| 154 if (!socket_) { | |
| 155 LOG(WARNING) << "Failed to create an SSL client socket."; | |
| 156 OnSSLHandshakeCompleted(net::ERR_UNEXPECTED); | |
| 157 return; | |
| 158 } | |
| 159 | |
| 160 int net_result = socket_->Connect( | |
| 161 base::Bind(&PepperTCPSocket::OnSSLHandshakeCompleted, | |
| 162 base::Unretained(this))); | |
| 163 if (net_result != net::ERR_IO_PENDING) | |
| 164 OnSSLHandshakeCompleted(net_result); | |
| 165 } | |
| 166 | |
| 167 void PepperTCPSocket::Read(int32 bytes_to_read) { | |
| 168 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 169 | |
| 170 if (!IsConnected() || end_of_file_reached_) { | |
| 171 SendReadACKError(PP_ERROR_FAILED); | |
| 172 return; | |
| 173 } | |
| 174 | |
| 175 if (read_buffer_.get()) { | |
| 176 SendReadACKError(PP_ERROR_INPROGRESS); | |
| 177 return; | |
| 178 } | |
| 179 | |
| 180 if (bytes_to_read <= 0 || | |
| 181 bytes_to_read > ppapi::TCPSocketShared::kMaxReadSize) { | |
| 182 SendReadACKError(PP_ERROR_BADARGUMENT); | |
| 183 return; | |
| 184 } | |
| 185 | |
| 186 read_buffer_ = new net::IOBuffer(bytes_to_read); | |
| 187 int net_result = socket_->Read( | |
| 188 read_buffer_.get(), | |
| 189 bytes_to_read, | |
| 190 base::Bind(&PepperTCPSocket::OnReadCompleted, base::Unretained(this))); | |
| 191 if (net_result != net::ERR_IO_PENDING) | |
| 192 OnReadCompleted(net_result); | |
| 193 } | |
| 194 | |
| 195 void PepperTCPSocket::Write(const std::string& data) { | |
| 196 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 197 | |
| 198 if (!IsConnected()) { | |
| 199 SendWriteACKError(PP_ERROR_FAILED); | |
| 200 return; | |
| 201 } | |
| 202 | |
| 203 if (write_buffer_base_.get() || write_buffer_.get()) { | |
| 204 SendWriteACKError(PP_ERROR_INPROGRESS); | |
| 205 return; | |
| 206 } | |
| 207 | |
| 208 size_t data_size = data.size(); | |
| 209 if (data_size == 0 || | |
| 210 data_size > static_cast<size_t>(ppapi::TCPSocketShared::kMaxWriteSize)) { | |
| 211 SendWriteACKError(PP_ERROR_BADARGUMENT); | |
| 212 return; | |
| 213 } | |
| 214 | |
| 215 write_buffer_base_ = new net::IOBuffer(data_size); | |
| 216 memcpy(write_buffer_base_->data(), data.data(), data_size); | |
| 217 write_buffer_ = | |
| 218 new net::DrainableIOBuffer(write_buffer_base_.get(), data_size); | |
| 219 DoWrite(); | |
| 220 } | |
| 221 | |
| 222 void PepperTCPSocket::SetOption(PP_TCPSocket_Option name, | |
| 223 const ppapi::SocketOptionData& value) { | |
| 224 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 225 | |
| 226 if (!IsConnected() || IsSsl()) { | |
| 227 SendSetOptionACK(PP_ERROR_FAILED); | |
| 228 return; | |
| 229 } | |
| 230 | |
| 231 net::TCPClientSocket* tcp_socket = | |
| 232 static_cast<net::TCPClientSocket*>(socket_.get()); | |
| 233 DCHECK(tcp_socket); | |
| 234 | |
| 235 switch (name) { | |
| 236 case PP_TCPSOCKET_OPTION_NO_DELAY: { | |
| 237 bool boolean_value = false; | |
| 238 if (!value.GetBool(&boolean_value)) { | |
| 239 SendSetOptionACK(PP_ERROR_BADARGUMENT); | |
| 240 return; | |
| 241 } | |
| 242 | |
| 243 SendSetOptionACK( | |
| 244 tcp_socket->SetNoDelay(boolean_value) ? PP_OK : PP_ERROR_FAILED); | |
| 245 return; | |
| 246 } | |
| 247 case PP_TCPSOCKET_OPTION_SEND_BUFFER_SIZE: | |
| 248 case PP_TCPSOCKET_OPTION_RECV_BUFFER_SIZE: { | |
| 249 int32_t integer_value = 0; | |
| 250 if (!value.GetInt32(&integer_value) || integer_value <= 0) { | |
| 251 SendSetOptionACK(PP_ERROR_BADARGUMENT); | |
| 252 return; | |
| 253 } | |
| 254 | |
| 255 bool result = false; | |
| 256 if (name == PP_TCPSOCKET_OPTION_SEND_BUFFER_SIZE) { | |
| 257 if (integer_value > ppapi::TCPSocketShared::kMaxSendBufferSize) { | |
| 258 SendSetOptionACK(PP_ERROR_BADARGUMENT); | |
| 259 return; | |
| 260 } | |
| 261 result = tcp_socket->SetSendBufferSize(integer_value); | |
| 262 } else { | |
| 263 if (integer_value > ppapi::TCPSocketShared::kMaxReceiveBufferSize) { | |
| 264 SendSetOptionACK(PP_ERROR_BADARGUMENT); | |
| 265 return; | |
| 266 } | |
| 267 result = tcp_socket->SetReceiveBufferSize(integer_value); | |
| 268 } | |
| 269 SendSetOptionACK(result ? PP_OK : PP_ERROR_FAILED); | |
| 270 return; | |
| 271 } | |
| 272 default: { | |
| 273 NOTREACHED(); | |
| 274 SendSetOptionACK(PP_ERROR_BADARGUMENT); | |
| 275 return; | |
| 276 } | |
| 277 } | |
| 278 } | |
| 279 | |
| 280 void PepperTCPSocket::StartConnect(const net::AddressList& addresses) { | |
| 281 DCHECK(connection_state_ == CONNECT_IN_PROGRESS); | |
| 282 | |
| 283 socket_.reset(new net::TCPClientSocket(addresses, NULL, | |
| 284 net::NetLog::Source())); | |
| 285 int net_result = socket_->Connect( | |
| 286 base::Bind(&PepperTCPSocket::OnConnectCompleted, | |
| 287 base::Unretained(this))); | |
| 288 if (net_result != net::ERR_IO_PENDING) | |
| 289 OnConnectCompleted(net_result); | |
| 290 } | |
| 291 | |
| 292 void PepperTCPSocket::SendConnectACKError(int32_t error) { | |
| 293 manager_->Send(new PpapiMsg_PPBTCPSocket_ConnectACK( | |
| 294 routing_id_, plugin_dispatcher_id_, socket_id_, error, | |
| 295 NetAddressPrivateImpl::kInvalidNetAddress, | |
| 296 NetAddressPrivateImpl::kInvalidNetAddress)); | |
| 297 } | |
| 298 | |
| 299 // static | |
| 300 bool PepperTCPSocket::GetCertificateFields( | |
| 301 const net::X509Certificate& cert, | |
| 302 ppapi::PPB_X509Certificate_Fields* fields) { | |
| 303 const net::CertPrincipal& issuer = cert.issuer(); | |
| 304 fields->SetField(PP_X509CERTIFICATE_PRIVATE_ISSUER_COMMON_NAME, | |
| 305 new base::StringValue(issuer.common_name)); | |
| 306 fields->SetField(PP_X509CERTIFICATE_PRIVATE_ISSUER_LOCALITY_NAME, | |
| 307 new base::StringValue(issuer.locality_name)); | |
| 308 fields->SetField(PP_X509CERTIFICATE_PRIVATE_ISSUER_STATE_OR_PROVINCE_NAME, | |
| 309 new base::StringValue(issuer.state_or_province_name)); | |
| 310 fields->SetField(PP_X509CERTIFICATE_PRIVATE_ISSUER_COUNTRY_NAME, | |
| 311 new base::StringValue(issuer.country_name)); | |
| 312 fields->SetField(PP_X509CERTIFICATE_PRIVATE_ISSUER_ORGANIZATION_NAME, | |
| 313 new base::StringValue(JoinString(issuer.organization_names, '\n'))); | |
| 314 fields->SetField(PP_X509CERTIFICATE_PRIVATE_ISSUER_ORGANIZATION_UNIT_NAME, | |
| 315 new base::StringValue(JoinString(issuer.organization_unit_names, '\n'))); | |
| 316 | |
| 317 const net::CertPrincipal& subject = cert.subject(); | |
| 318 fields->SetField(PP_X509CERTIFICATE_PRIVATE_SUBJECT_COMMON_NAME, | |
| 319 new base::StringValue(subject.common_name)); | |
| 320 fields->SetField(PP_X509CERTIFICATE_PRIVATE_SUBJECT_LOCALITY_NAME, | |
| 321 new base::StringValue(subject.locality_name)); | |
| 322 fields->SetField(PP_X509CERTIFICATE_PRIVATE_SUBJECT_STATE_OR_PROVINCE_NAME, | |
| 323 new base::StringValue(subject.state_or_province_name)); | |
| 324 fields->SetField(PP_X509CERTIFICATE_PRIVATE_SUBJECT_COUNTRY_NAME, | |
| 325 new base::StringValue(subject.country_name)); | |
| 326 fields->SetField(PP_X509CERTIFICATE_PRIVATE_SUBJECT_ORGANIZATION_NAME, | |
| 327 new base::StringValue(JoinString(subject.organization_names, '\n'))); | |
| 328 fields->SetField(PP_X509CERTIFICATE_PRIVATE_SUBJECT_ORGANIZATION_UNIT_NAME, | |
| 329 new base::StringValue(JoinString(subject.organization_unit_names, '\n'))); | |
| 330 | |
| 331 const std::string& serial_number = cert.serial_number(); | |
| 332 fields->SetField(PP_X509CERTIFICATE_PRIVATE_SERIAL_NUMBER, | |
| 333 base::BinaryValue::CreateWithCopiedBuffer(serial_number.data(), | |
| 334 serial_number.length())); | |
| 335 fields->SetField(PP_X509CERTIFICATE_PRIVATE_VALIDITY_NOT_BEFORE, | |
| 336 new base::FundamentalValue(cert.valid_start().ToDoubleT())); | |
| 337 fields->SetField(PP_X509CERTIFICATE_PRIVATE_VALIDITY_NOT_AFTER, | |
| 338 new base::FundamentalValue(cert.valid_expiry().ToDoubleT())); | |
| 339 std::string der; | |
| 340 net::X509Certificate::GetDEREncoded(cert.os_cert_handle(), &der); | |
| 341 fields->SetField(PP_X509CERTIFICATE_PRIVATE_RAW, | |
| 342 base::BinaryValue::CreateWithCopiedBuffer(der.data(), der.length())); | |
| 343 return true; | |
| 344 } | |
| 345 | |
| 346 // static | |
| 347 bool PepperTCPSocket::GetCertificateFields( | |
| 348 const char* der, | |
| 349 uint32_t length, | |
| 350 ppapi::PPB_X509Certificate_Fields* fields) { | |
| 351 scoped_refptr<net::X509Certificate> cert = | |
| 352 net::X509Certificate::CreateFromBytes(der, length); | |
| 353 if (!cert.get()) | |
| 354 return false; | |
| 355 return GetCertificateFields(*cert.get(), fields); | |
| 356 } | |
| 357 | |
| 358 void PepperTCPSocket::SendReadACKError(int32_t error) { | |
| 359 manager_->Send(new PpapiMsg_PPBTCPSocket_ReadACK( | |
| 360 routing_id_, plugin_dispatcher_id_, socket_id_, error, std::string())); | |
| 361 } | |
| 362 | |
| 363 void PepperTCPSocket::SendWriteACKError(int32_t error) { | |
| 364 DCHECK_GT(0, error); | |
| 365 manager_->Send(new PpapiMsg_PPBTCPSocket_WriteACK( | |
| 366 routing_id_, plugin_dispatcher_id_, socket_id_, error)); | |
| 367 } | |
| 368 | |
| 369 void PepperTCPSocket::SendSSLHandshakeACK(bool succeeded) { | |
| 370 ppapi::PPB_X509Certificate_Fields certificate_fields; | |
| 371 if (succeeded) { | |
| 372 // Our socket is guaranteed to be an SSL socket if we get here. | |
| 373 net::SSLClientSocket* ssl_socket = | |
| 374 static_cast<net::SSLClientSocket*>(socket_.get()); | |
| 375 net::SSLInfo ssl_info; | |
| 376 ssl_socket->GetSSLInfo(&ssl_info); | |
| 377 if (ssl_info.cert.get()) | |
| 378 GetCertificateFields(*ssl_info.cert.get(), &certificate_fields); | |
| 379 } | |
| 380 manager_->Send(new PpapiMsg_PPBTCPSocket_SSLHandshakeACK( | |
| 381 routing_id_, | |
| 382 plugin_dispatcher_id_, | |
| 383 socket_id_, | |
| 384 succeeded, | |
| 385 certificate_fields)); | |
| 386 } | |
| 387 | |
| 388 void PepperTCPSocket::SendSetOptionACK(int32_t result) { | |
| 389 manager_->Send(new PpapiMsg_PPBTCPSocket_SetOptionACK( | |
| 390 routing_id_, plugin_dispatcher_id_, socket_id_, result)); | |
| 391 } | |
| 392 | |
| 393 void PepperTCPSocket::OnResolveCompleted(int net_result) { | |
| 394 DCHECK(connection_state_ == CONNECT_IN_PROGRESS); | |
| 395 | |
| 396 if (net_result != net::OK) { | |
| 397 SendConnectACKError(NetErrorToPepperError(net_result)); | |
| 398 connection_state_ = BEFORE_CONNECT; | |
| 399 return; | |
| 400 } | |
| 401 | |
| 402 StartConnect(address_list_); | |
| 403 } | |
| 404 | |
| 405 void PepperTCPSocket::OnConnectCompleted(int net_result) { | |
| 406 DCHECK(connection_state_ == CONNECT_IN_PROGRESS && socket_.get()); | |
| 407 | |
| 408 int32_t pp_result = NetErrorToPepperError(net_result); | |
| 409 do { | |
| 410 if (pp_result != PP_OK) | |
| 411 break; | |
| 412 | |
| 413 net::IPEndPoint ip_end_point_local; | |
| 414 net::IPEndPoint ip_end_point_remote; | |
| 415 pp_result = NetErrorToPepperError( | |
| 416 socket_->GetLocalAddress(&ip_end_point_local)); | |
| 417 if (pp_result != PP_OK) | |
| 418 break; | |
| 419 pp_result = NetErrorToPepperError( | |
| 420 socket_->GetPeerAddress(&ip_end_point_remote)); | |
| 421 if (pp_result != PP_OK) | |
| 422 break; | |
| 423 | |
| 424 PP_NetAddress_Private local_addr = | |
| 425 NetAddressPrivateImpl::kInvalidNetAddress; | |
| 426 PP_NetAddress_Private remote_addr = | |
| 427 NetAddressPrivateImpl::kInvalidNetAddress; | |
| 428 if (!NetAddressPrivateImpl::IPEndPointToNetAddress( | |
| 429 ip_end_point_local.address(), | |
| 430 ip_end_point_local.port(), | |
| 431 &local_addr) || | |
| 432 !NetAddressPrivateImpl::IPEndPointToNetAddress( | |
| 433 ip_end_point_remote.address(), | |
| 434 ip_end_point_remote.port(), | |
| 435 &remote_addr)) { | |
| 436 pp_result = PP_ERROR_ADDRESS_INVALID; | |
| 437 break; | |
| 438 } | |
| 439 | |
| 440 manager_->Send(new PpapiMsg_PPBTCPSocket_ConnectACK( | |
| 441 routing_id_, plugin_dispatcher_id_, socket_id_, PP_OK, | |
| 442 local_addr, remote_addr)); | |
| 443 connection_state_ = CONNECTED; | |
| 444 return; | |
| 445 } while (false); | |
| 446 | |
| 447 SendConnectACKError(pp_result); | |
| 448 connection_state_ = BEFORE_CONNECT; | |
| 449 } | |
| 450 | |
| 451 void PepperTCPSocket::OnSSLHandshakeCompleted(int net_result) { | |
| 452 DCHECK(connection_state_ == SSL_HANDSHAKE_IN_PROGRESS); | |
| 453 | |
| 454 bool succeeded = net_result == net::OK; | |
| 455 SendSSLHandshakeACK(succeeded); | |
| 456 connection_state_ = succeeded ? SSL_CONNECTED : SSL_HANDSHAKE_FAILED; | |
| 457 } | |
| 458 | |
| 459 void PepperTCPSocket::OnReadCompleted(int net_result) { | |
| 460 DCHECK(read_buffer_.get()); | |
| 461 | |
| 462 if (net_result > 0) { | |
| 463 manager_->Send(new PpapiMsg_PPBTCPSocket_ReadACK( | |
| 464 routing_id_, plugin_dispatcher_id_, socket_id_, PP_OK, | |
| 465 std::string(read_buffer_->data(), net_result))); | |
| 466 } else if (net_result == 0) { | |
| 467 end_of_file_reached_ = true; | |
| 468 manager_->Send(new PpapiMsg_PPBTCPSocket_ReadACK( | |
| 469 routing_id_, plugin_dispatcher_id_, socket_id_, PP_OK, std::string())); | |
| 470 } else { | |
| 471 SendReadACKError(NetErrorToPepperError(net_result)); | |
| 472 } | |
| 473 read_buffer_ = NULL; | |
| 474 } | |
| 475 | |
| 476 void PepperTCPSocket::OnWriteCompleted(int net_result) { | |
| 477 DCHECK(write_buffer_base_.get()); | |
| 478 DCHECK(write_buffer_.get()); | |
| 479 | |
| 480 // Note: For partial writes of 0 bytes, don't continue writing to avoid a | |
| 481 // likely infinite loop. | |
| 482 if (net_result > 0) { | |
| 483 write_buffer_->DidConsume(net_result); | |
| 484 if (write_buffer_->BytesRemaining() > 0) { | |
| 485 DoWrite(); | |
| 486 return; | |
| 487 } | |
| 488 } | |
| 489 | |
| 490 if (net_result >= 0) { | |
| 491 manager_->Send(new PpapiMsg_PPBTCPSocket_WriteACK( | |
| 492 routing_id_, plugin_dispatcher_id_, socket_id_, | |
| 493 write_buffer_->BytesConsumed())); | |
| 494 } else { | |
| 495 SendWriteACKError(NetErrorToPepperError(net_result)); | |
| 496 } | |
| 497 | |
| 498 write_buffer_ = NULL; | |
| 499 write_buffer_base_ = NULL; | |
| 500 } | |
| 501 | |
| 502 bool PepperTCPSocket::IsConnected() const { | |
| 503 return connection_state_ == CONNECTED || connection_state_ == SSL_CONNECTED; | |
| 504 } | |
| 505 | |
| 506 bool PepperTCPSocket::IsSsl() const { | |
| 507 return connection_state_ == SSL_HANDSHAKE_IN_PROGRESS || | |
| 508 connection_state_ == SSL_CONNECTED || | |
| 509 connection_state_ == SSL_HANDSHAKE_FAILED; | |
| 510 } | |
| 511 | |
| 512 void PepperTCPSocket::DoWrite() { | |
| 513 DCHECK(write_buffer_base_.get()); | |
| 514 DCHECK(write_buffer_.get()); | |
| 515 DCHECK_GT(write_buffer_->BytesRemaining(), 0); | |
| 516 | |
| 517 int net_result = socket_->Write( | |
| 518 write_buffer_.get(), | |
| 519 write_buffer_->BytesRemaining(), | |
| 520 base::Bind(&PepperTCPSocket::OnWriteCompleted, base::Unretained(this))); | |
| 521 if (net_result != net::ERR_IO_PENDING) | |
| 522 OnWriteCompleted(net_result); | |
| 523 } | |
| 524 | |
| 525 } // namespace content | |
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Chromium Code Reviews
