net/socket/ssl_client_socket_pool.cc

   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 "net/socket/ssl_client_socket_pool.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/metrics/field_trial.h"
  10 #include "base/metrics/histogram_macros.h"
  11 #include "base/metrics/sparse_histogram.h"
  12 #include "base/profiler/scoped_tracker.h"
  13 #include "base/values.h"
  14 #include "net/base/host_port_pair.h"
  15 #include "net/base/net_errors.h"
  16 #include "net/http/http_proxy_client_socket.h"
  17 #include "net/http/http_proxy_client_socket_pool.h"
  18 #include "net/socket/client_socket_factory.h"
  19 #include "net/socket/client_socket_handle.h"
  20 #include "net/socket/socks_client_socket_pool.h"
  21 #include "net/socket/ssl_client_socket.h"
  22 #include "net/socket/transport_client_socket_pool.h"
  23 #include "net/ssl/ssl_cert_request_info.h"
  24 #include "net/ssl/ssl_connection_status_flags.h"
  25 #include "net/ssl/ssl_info.h"
  26
  27 namespace net {
  28
  29 SSLSocketParams::SSLSocketParams(
  30     const scoped_refptr<TransportSocketParams>& direct_params,
  31     const scoped_refptr<SOCKSSocketParams>& socks_proxy_params,
  32     const scoped_refptr<HttpProxySocketParams>& http_proxy_params,
  33     const HostPortPair& host_and_port,
  34     const SSLConfig& ssl_config,
  35     PrivacyMode privacy_mode,
  36     int load_flags,
  37     bool expect_spdy)
  38     : direct_params_(direct_params),
  39       socks_proxy_params_(socks_proxy_params),
  40       http_proxy_params_(http_proxy_params),
  41       host_and_port_(host_and_port),
  42       ssl_config_(ssl_config),
  43       privacy_mode_(privacy_mode),
  44       load_flags_(load_flags),
  45       expect_spdy_(expect_spdy),
  46       ignore_limits_(false) {
  47   if (direct_params_.get()) {
  48     DCHECK(!socks_proxy_params_.get());
  49     DCHECK(!http_proxy_params_.get());
  50     ignore_limits_ = direct_params_->ignore_limits();
  51   } else if (socks_proxy_params_.get()) {
  52     DCHECK(!http_proxy_params_.get());
  53     ignore_limits_ = socks_proxy_params_->ignore_limits();
  54   } else {
  55     DCHECK(http_proxy_params_.get());
  56     ignore_limits_ = http_proxy_params_->ignore_limits();
  57   }
  58 }
  59
  60 SSLSocketParams::~SSLSocketParams() {}
  61
  62 SSLSocketParams::ConnectionType SSLSocketParams::GetConnectionType() const {
  63   if (direct_params_.get()) {
  64     DCHECK(!socks_proxy_params_.get());
  65     DCHECK(!http_proxy_params_.get());
  66     return DIRECT;
  67   }
  68
  69   if (socks_proxy_params_.get()) {
  70     DCHECK(!http_proxy_params_.get());
  71     return SOCKS_PROXY;
  72   }
  73
  74   DCHECK(http_proxy_params_.get());
  75   return HTTP_PROXY;
  76 }
  77
  78 const scoped_refptr<TransportSocketParams>&
  79 SSLSocketParams::GetDirectConnectionParams() const {
  80   DCHECK_EQ(GetConnectionType(), DIRECT);
  81   return direct_params_;
  82 }
  83
  84 const scoped_refptr<SOCKSSocketParams>&
  85 SSLSocketParams::GetSocksProxyConnectionParams() const {
  86   DCHECK_EQ(GetConnectionType(), SOCKS_PROXY);
  87   return socks_proxy_params_;
  88 }
  89
  90 const scoped_refptr<HttpProxySocketParams>&
  91 SSLSocketParams::GetHttpProxyConnectionParams() const {
  92   DCHECK_EQ(GetConnectionType(), HTTP_PROXY);
  93   return http_proxy_params_;
  94 }
  95
  96 // Timeout for the SSL handshake portion of the connect.
  97 static const int kSSLHandshakeTimeoutInSeconds = 30;
  98
  99 SSLConnectJob::SSLConnectJob(const std::string& group_name,
 100                              RequestPriority priority,
 101                              const scoped_refptr<SSLSocketParams>& params,
 102                              const base::TimeDelta& timeout_duration,
 103                              TransportClientSocketPool* transport_pool,
 104                              SOCKSClientSocketPool* socks_pool,
 105                              HttpProxyClientSocketPool* http_proxy_pool,
 106                              ClientSocketFactory* client_socket_factory,
 107                              const SSLClientSocketContext& context,
 108                              Delegate* delegate,
 109                              NetLog* net_log)
 110     : ConnectJob(group_name,
 111                  timeout_duration,
 112                  priority,
 113                  delegate,
 114                  BoundNetLog::Make(net_log, NetLog::SOURCE_CONNECT_JOB)),
 115       params_(params),
 116       transport_pool_(transport_pool),
 117       socks_pool_(socks_pool),
 118       http_proxy_pool_(http_proxy_pool),
 119       client_socket_factory_(client_socket_factory),
 120       context_(context.cert_verifier,
 121                context.channel_id_service,
 122                context.transport_security_state,
 123                context.cert_transparency_verifier,
 124                context.cert_policy_enforcer,
 125                (params->privacy_mode() == PRIVACY_MODE_ENABLED
 126                     ? "pm/" + context.ssl_session_cache_shard
 127                     : context.ssl_session_cache_shard)),
 128       callback_(
 129           base::Bind(&SSLConnectJob::OnIOComplete, base::Unretained(this))) {
 130 }
 131
 132 SSLConnectJob::~SSLConnectJob() {
 133 }
 134
 135 LoadState SSLConnectJob::GetLoadState() const {
 136   switch (next_state_) {
 137     case STATE_TUNNEL_CONNECT_COMPLETE:
 138       if (transport_socket_handle_->socket())
 139         return LOAD_STATE_ESTABLISHING_PROXY_TUNNEL;
 140       // else, fall through.
 141     case STATE_TRANSPORT_CONNECT:
 142     case STATE_TRANSPORT_CONNECT_COMPLETE:
 143     case STATE_SOCKS_CONNECT:
 144     case STATE_SOCKS_CONNECT_COMPLETE:
 145     case STATE_TUNNEL_CONNECT:
 146       return transport_socket_handle_->GetLoadState();
 147     case STATE_SSL_CONNECT:
 148     case STATE_SSL_CONNECT_COMPLETE:
 149       return LOAD_STATE_SSL_HANDSHAKE;
 150     default:
 151       NOTREACHED();
 152       return LOAD_STATE_IDLE;
 153   }
 154 }
 155
 156 void SSLConnectJob::GetAdditionalErrorState(ClientSocketHandle* handle) {
 157   // Headers in |error_response_info_| indicate a proxy tunnel setup
 158   // problem. See DoTunnelConnectComplete.
 159   if (error_response_info_.headers.get()) {
 160     handle->set_pending_http_proxy_connection(
 161         transport_socket_handle_.release());
 162   }
 163   handle->set_ssl_error_response_info(error_response_info_);
 164   if (!connect_timing_.ssl_start.is_null())
 165     handle->set_is_ssl_error(true);
 166   if (ssl_socket_)
 167     handle->set_ssl_failure_state(ssl_socket_->GetSSLFailureState());
 168
 169   handle->set_connection_attempts(connection_attempts_);
 170 }
 171
 172 void SSLConnectJob::OnIOComplete(int result) {
 173   int rv = DoLoop(result);
 174   if (rv != ERR_IO_PENDING)
 175     NotifyDelegateOfCompletion(rv);  // Deletes |this|.
 176 }
 177
 178 int SSLConnectJob::DoLoop(int result) {
 179   DCHECK_NE(next_state_, STATE_NONE);
 180
 181   int rv = result;
 182   do {
 183     State state = next_state_;
 184     next_state_ = STATE_NONE;
 185     switch (state) {
 186       case STATE_TRANSPORT_CONNECT:
 187         DCHECK_EQ(OK, rv);
 188         rv = DoTransportConnect();
 189         break;
 190       case STATE_TRANSPORT_CONNECT_COMPLETE:
 191         rv = DoTransportConnectComplete(rv);
 192         break;
 193       case STATE_SOCKS_CONNECT:
 194         DCHECK_EQ(OK, rv);
 195         rv = DoSOCKSConnect();
 196         break;
 197       case STATE_SOCKS_CONNECT_COMPLETE:
 198         rv = DoSOCKSConnectComplete(rv);
 199         break;
 200       case STATE_TUNNEL_CONNECT:
 201         DCHECK_EQ(OK, rv);
 202         rv = DoTunnelConnect();
 203         break;
 204       case STATE_TUNNEL_CONNECT_COMPLETE:
 205         rv = DoTunnelConnectComplete(rv);
 206         break;
 207       case STATE_SSL_CONNECT:
 208         DCHECK_EQ(OK, rv);
 209         rv = DoSSLConnect();
 210         break;
 211       case STATE_SSL_CONNECT_COMPLETE:
 212         rv = DoSSLConnectComplete(rv);
 213         break;
 214       default:
 215         NOTREACHED() << "bad state";
 216         rv = ERR_FAILED;
 217         break;
 218     }
 219   } while (rv != ERR_IO_PENDING && next_state_ != STATE_NONE);
 220
 221   return rv;
 222 }
 223
 224 int SSLConnectJob::DoTransportConnect() {
 225   DCHECK(transport_pool_);
 226
 227   next_state_ = STATE_TRANSPORT_CONNECT_COMPLETE;
 228   transport_socket_handle_.reset(new ClientSocketHandle());
 229   scoped_refptr<TransportSocketParams> direct_params =
 230       params_->GetDirectConnectionParams();
 231   return transport_socket_handle_->Init(group_name(), direct_params, priority(),
 232                                         callback_, transport_pool_, net_log());
 233 }
 234
 235 int SSLConnectJob::DoTransportConnectComplete(int result) {
 236   connection_attempts_ = transport_socket_handle_->connection_attempts();
 237   if (result == OK) {
 238     next_state_ = STATE_SSL_CONNECT;
 239     transport_socket_handle_->socket()->GetPeerAddress(&server_address_);
 240   }
 241
 242   return result;
 243 }
 244
 245 int SSLConnectJob::DoSOCKSConnect() {
 246   DCHECK(socks_pool_);
 247   next_state_ = STATE_SOCKS_CONNECT_COMPLETE;
 248   transport_socket_handle_.reset(new ClientSocketHandle());
 249   scoped_refptr<SOCKSSocketParams> socks_proxy_params =
 250       params_->GetSocksProxyConnectionParams();
 251   return transport_socket_handle_->Init(group_name(), socks_proxy_params,
 252                                         priority(), callback_, socks_pool_,
 253                                         net_log());
 254 }
 255
 256 int SSLConnectJob::DoSOCKSConnectComplete(int result) {
 257   if (result == OK)
 258     next_state_ = STATE_SSL_CONNECT;
 259
 260   return result;
 261 }
 262
 263 int SSLConnectJob::DoTunnelConnect() {
 264   DCHECK(http_proxy_pool_);
 265   next_state_ = STATE_TUNNEL_CONNECT_COMPLETE;
 266
 267   transport_socket_handle_.reset(new ClientSocketHandle());
 268   scoped_refptr<HttpProxySocketParams> http_proxy_params =
 269       params_->GetHttpProxyConnectionParams();
 270   return transport_socket_handle_->Init(group_name(), http_proxy_params,
 271                                         priority(), callback_, http_proxy_pool_,
 272                                         net_log());
 273 }
 274
 275 int SSLConnectJob::DoTunnelConnectComplete(int result) {
 276   // Extract the information needed to prompt for appropriate proxy
 277   // authentication so that when ClientSocketPoolBaseHelper calls
 278   // |GetAdditionalErrorState|, we can easily set the state.
 279   if (result == ERR_SSL_CLIENT_AUTH_CERT_NEEDED) {
 280     error_response_info_ = transport_socket_handle_->ssl_error_response_info();
 281   } else if (result == ERR_PROXY_AUTH_REQUESTED ||
 282              result == ERR_HTTPS_PROXY_TUNNEL_RESPONSE) {
 283     StreamSocket* socket = transport_socket_handle_->socket();
 284     ProxyClientSocket* tunnel_socket = static_cast<ProxyClientSocket*>(socket);
 285     error_response_info_ = *tunnel_socket->GetConnectResponseInfo();
 286   }
 287   if (result < 0)
 288     return result;
 289
 290   next_state_ = STATE_SSL_CONNECT;
 291   return result;
 292 }
 293
 294 int SSLConnectJob::DoSSLConnect() {
 295   // TODO(pkasting): Remove ScopedTracker below once crbug.com/462815 is fixed.
 296   tracked_objects::ScopedTracker tracking_profile(
 297       FROM_HERE_WITH_EXPLICIT_FUNCTION("462815 SSLConnectJob::DoSSLConnect"));
 298
 299   next_state_ = STATE_SSL_CONNECT_COMPLETE;
 300
 301   // Reset the timeout to just the time allowed for the SSL handshake.
 302   ResetTimer(base::TimeDelta::FromSeconds(kSSLHandshakeTimeoutInSeconds));
 303
 304   // If the handle has a fresh socket, get its connect start and DNS times.
 305   // This should always be the case.
 306   const LoadTimingInfo::ConnectTiming& socket_connect_timing =
 307       transport_socket_handle_->connect_timing();
 308   if (!transport_socket_handle_->is_reused() &&
 309       !socket_connect_timing.connect_start.is_null()) {
 310     // Overwriting |connect_start| serves two purposes - it adjusts timing so
 311     // |connect_start| doesn't include dns times, and it adjusts the time so
 312     // as not to include time spent waiting for an idle socket.
 313     connect_timing_.connect_start = socket_connect_timing.connect_start;
 314     connect_timing_.dns_start = socket_connect_timing.dns_start;
 315     connect_timing_.dns_end = socket_connect_timing.dns_end;
 316   }
 317
 318   connect_timing_.ssl_start = base::TimeTicks::Now();
 319
 320   ssl_socket_ = client_socket_factory_->CreateSSLClientSocket(
 321       transport_socket_handle_.Pass(),
 322       params_->host_and_port(),
 323       params_->ssl_config(),
 324       context_);
 325   return ssl_socket_->Connect(callback_);
 326 }
 327
 328 int SSLConnectJob::DoSSLConnectComplete(int result) {
 329   // TODO(rvargas): Remove ScopedTracker below once crbug.com/462784 is fixed.
 330   tracked_objects::ScopedTracker tracking_profile(
 331       FROM_HERE_WITH_EXPLICIT_FUNCTION(
 332           "462784 SSLConnectJob::DoSSLConnectComplete"));
 333
 334   connect_timing_.ssl_end = base::TimeTicks::Now();
 335
 336   if (result != OK && !server_address_.address().empty()) {
 337     connection_attempts_.push_back(ConnectionAttempt(server_address_, result));
 338     server_address_ = IPEndPoint();
 339   }
 340
 341   // If we want SPDY over ALPN/NPN, make sure it succeeded.
 342   if (params_->expect_spdy() &&
 343       !NextProtoIsSPDY(ssl_socket_->GetNegotiatedProtocol())) {
 344     return ERR_NPN_NEGOTIATION_FAILED;
 345   }
 346
 347   if (result == OK ||
 348       ssl_socket_->IgnoreCertError(result, params_->load_flags())) {
 349     DCHECK(!connect_timing_.ssl_start.is_null());
 350     base::TimeDelta connect_duration =
 351         connect_timing_.ssl_end - connect_timing_.ssl_start;
 352     if (params_->expect_spdy()) {
 353       UMA_HISTOGRAM_CUSTOM_TIMES("Net.SpdyConnectionLatency_2",
 354                                  connect_duration,
 355                                  base::TimeDelta::FromMilliseconds(1),
 356                                  base::TimeDelta::FromMinutes(1),
 357                                  100);
 358     }
 359
 360     UMA_HISTOGRAM_CUSTOM_TIMES("Net.SSL_Connection_Latency_2",
 361                                connect_duration,
 362                                base::TimeDelta::FromMilliseconds(1),
 363                                base::TimeDelta::FromMinutes(1),
 364                                100);
 365
 366     SSLInfo ssl_info;
 367     bool has_ssl_info = ssl_socket_->GetSSLInfo(&ssl_info);
 368     DCHECK(has_ssl_info);
 369
 370     UMA_HISTOGRAM_ENUMERATION("Net.SSLVersion", SSLConnectionStatusToVersion(
 371                                                     ssl_info.connection_status),
 372                               SSL_CONNECTION_VERSION_MAX);
 373
 374     UMA_HISTOGRAM_SPARSE_SLOWLY("Net.SSL_CipherSuite",
 375                                 SSLConnectionStatusToCipherSuite(
 376                                     ssl_info.connection_status));
 377
 378     if (ssl_info.handshake_type == SSLInfo::HANDSHAKE_RESUME) {
 379       UMA_HISTOGRAM_CUSTOM_TIMES("Net.SSL_Connection_Latency_Resume_Handshake",
 380                                  connect_duration,
 381                                  base::TimeDelta::FromMilliseconds(1),
 382                                  base::TimeDelta::FromMinutes(1),
 383                                  100);
 384     } else if (ssl_info.handshake_type == SSLInfo::HANDSHAKE_FULL) {
 385       UMA_HISTOGRAM_CUSTOM_TIMES("Net.SSL_Connection_Latency_Full_Handshake",
 386                                  connect_duration,
 387                                  base::TimeDelta::FromMilliseconds(1),
 388                                  base::TimeDelta::FromMinutes(1),
 389                                  100);
 390     }
 391
 392     const std::string& host = params_->host_and_port().host();
 393     bool is_google =
 394         host == "google.com" ||
 395         (host.size() > 11 && host.rfind(".google.com") == host.size() - 11);
 396     if (is_google) {
 397       UMA_HISTOGRAM_CUSTOM_TIMES("Net.SSL_Connection_Latency_Google2",
 398                                  connect_duration,
 399                                  base::TimeDelta::FromMilliseconds(1),
 400                                  base::TimeDelta::FromMinutes(1),
 401                                  100);
 402       if (ssl_info.handshake_type == SSLInfo::HANDSHAKE_RESUME) {
 403         UMA_HISTOGRAM_CUSTOM_TIMES("Net.SSL_Connection_Latency_Google_"
 404                                        "Resume_Handshake",
 405                                    connect_duration,
 406                                    base::TimeDelta::FromMilliseconds(1),
 407                                    base::TimeDelta::FromMinutes(1),
 408                                    100);
 409       } else if (ssl_info.handshake_type == SSLInfo::HANDSHAKE_FULL) {
 410         UMA_HISTOGRAM_CUSTOM_TIMES("Net.SSL_Connection_Latency_Google_"
 411                                        "Full_Handshake",
 412                                    connect_duration,
 413                                    base::TimeDelta::FromMilliseconds(1),
 414                                    base::TimeDelta::FromMinutes(1),
 415                                    100);
 416       }
 417     }
 418   }
 419
 420   UMA_HISTOGRAM_SPARSE_SLOWLY("Net.SSL_Connection_Error", std::abs(result));
 421   if (params_->ssl_config().fastradio_padding_eligible) {
 422     UMA_HISTOGRAM_SPARSE_SLOWLY("Net.SSL_Connection_Error_FastRadioPadding",
 423                                 std::abs(result));
 424   }
 425
 426   if (result == OK || IsCertificateError(result)) {
 427     SetSocket(ssl_socket_.Pass());
 428   } else if (result == ERR_SSL_CLIENT_AUTH_CERT_NEEDED) {
 429     error_response_info_.cert_request_info = new SSLCertRequestInfo;
 430     ssl_socket_->GetSSLCertRequestInfo(
 431         error_response_info_.cert_request_info.get());
 432   }
 433
 434   return result;
 435 }
 436
 437 SSLConnectJob::State SSLConnectJob::GetInitialState(
 438     SSLSocketParams::ConnectionType connection_type) {
 439   switch (connection_type) {
 440     case SSLSocketParams::DIRECT:
 441       return STATE_TRANSPORT_CONNECT;
 442     case SSLSocketParams::HTTP_PROXY:
 443       return STATE_TUNNEL_CONNECT;
 444     case SSLSocketParams::SOCKS_PROXY:
 445       return STATE_SOCKS_CONNECT;
 446   }
 447   NOTREACHED();
 448   return STATE_NONE;
 449 }
 450
 451 int SSLConnectJob::ConnectInternal() {
 452   next_state_ = GetInitialState(params_->GetConnectionType());
 453   return DoLoop(OK);
 454 }
 455
 456 SSLClientSocketPool::SSLConnectJobFactory::SSLConnectJobFactory(
 457     TransportClientSocketPool* transport_pool,
 458     SOCKSClientSocketPool* socks_pool,
 459     HttpProxyClientSocketPool* http_proxy_pool,
 460     ClientSocketFactory* client_socket_factory,
 461     const SSLClientSocketContext& context,
 462     NetLog* net_log)
 463     : transport_pool_(transport_pool),
 464       socks_pool_(socks_pool),
 465       http_proxy_pool_(http_proxy_pool),
 466       client_socket_factory_(client_socket_factory),
 467       context_(context),
 468       net_log_(net_log) {
 469   base::TimeDelta max_transport_timeout = base::TimeDelta();
 470   base::TimeDelta pool_timeout;
 471   if (transport_pool_)
 472     max_transport_timeout = transport_pool_->ConnectionTimeout();
 473   if (socks_pool_) {
 474     pool_timeout = socks_pool_->ConnectionTimeout();
 475     if (pool_timeout > max_transport_timeout)
 476       max_transport_timeout = pool_timeout;
 477   }
 478   if (http_proxy_pool_) {
 479     pool_timeout = http_proxy_pool_->ConnectionTimeout();
 480     if (pool_timeout > max_transport_timeout)
 481       max_transport_timeout = pool_timeout;
 482   }
 483   timeout_ = max_transport_timeout +
 484       base::TimeDelta::FromSeconds(kSSLHandshakeTimeoutInSeconds);
 485 }
 486
 487 SSLClientSocketPool::SSLConnectJobFactory::~SSLConnectJobFactory() {
 488 }
 489
 490 SSLClientSocketPool::SSLClientSocketPool(
 491     int max_sockets,
 492     int max_sockets_per_group,
 493     CertVerifier* cert_verifier,
 494     ChannelIDService* channel_id_service,
 495     TransportSecurityState* transport_security_state,
 496     CTVerifier* cert_transparency_verifier,
 497     CertPolicyEnforcer* cert_policy_enforcer,
 498     const std::string& ssl_session_cache_shard,
 499     ClientSocketFactory* client_socket_factory,
 500     TransportClientSocketPool* transport_pool,
 501     SOCKSClientSocketPool* socks_pool,
 502     HttpProxyClientSocketPool* http_proxy_pool,
 503     SSLConfigService* ssl_config_service,
 504     NetLog* net_log)
 505     : transport_pool_(transport_pool),
 506       socks_pool_(socks_pool),
 507       http_proxy_pool_(http_proxy_pool),
 508       base_(this,
 509             max_sockets,
 510             max_sockets_per_group,
 511             ClientSocketPool::unused_idle_socket_timeout(),
 512             ClientSocketPool::used_idle_socket_timeout(),
 513             new SSLConnectJobFactory(
 514                 transport_pool,
 515                 socks_pool,
 516                 http_proxy_pool,
 517                 client_socket_factory,
 518                 SSLClientSocketContext(cert_verifier,
 519                                        channel_id_service,
 520                                        transport_security_state,
 521                                        cert_transparency_verifier,
 522                                        cert_policy_enforcer,
 523                                        ssl_session_cache_shard),
 524                 net_log)),
 525       ssl_config_service_(ssl_config_service) {
 526   if (ssl_config_service_.get())
 527     ssl_config_service_->AddObserver(this);
 528   if (transport_pool_)
 529     base_.AddLowerLayeredPool(transport_pool_);
 530   if (socks_pool_)
 531     base_.AddLowerLayeredPool(socks_pool_);
 532   if (http_proxy_pool_)
 533     base_.AddLowerLayeredPool(http_proxy_pool_);
 534 }
 535
 536 SSLClientSocketPool::~SSLClientSocketPool() {
 537   if (ssl_config_service_.get())
 538     ssl_config_service_->RemoveObserver(this);
 539 }
 540
 541 scoped_ptr<ConnectJob> SSLClientSocketPool::SSLConnectJobFactory::NewConnectJob(
 542     const std::string& group_name,
 543     const PoolBase::Request& request,
 544     ConnectJob::Delegate* delegate) const {
 545   return scoped_ptr<ConnectJob>(new SSLConnectJob(group_name,
 546                                                   request.priority(),
 547                                                   request.params(),
 548                                                   ConnectionTimeout(),
 549                                                   transport_pool_,
 550                                                   socks_pool_,
 551                                                   http_proxy_pool_,
 552                                                   client_socket_factory_,
 553                                                   context_,
 554                                                   delegate,
 555                                                   net_log_));
 556 }
 557
 558 base::TimeDelta SSLClientSocketPool::SSLConnectJobFactory::ConnectionTimeout()
 559     const {
 560   return timeout_;
 561 }
 562
 563 int SSLClientSocketPool::RequestSocket(const std::string& group_name,
 564                                        const void* socket_params,
 565                                        RequestPriority priority,
 566                                        ClientSocketHandle* handle,
 567                                        const CompletionCallback& callback,
 568                                        const BoundNetLog& net_log) {
 569   const scoped_refptr<SSLSocketParams>* casted_socket_params =
 570       static_cast<const scoped_refptr<SSLSocketParams>*>(socket_params);
 571
 572   return base_.RequestSocket(group_name, *casted_socket_params, priority,
 573                              handle, callback, net_log);
 574 }
 575
 576 void SSLClientSocketPool::RequestSockets(
 577     const std::string& group_name,
 578     const void* params,
 579     int num_sockets,
 580     const BoundNetLog& net_log) {
 581   const scoped_refptr<SSLSocketParams>* casted_params =
 582       static_cast<const scoped_refptr<SSLSocketParams>*>(params);
 583
 584   base_.RequestSockets(group_name, *casted_params, num_sockets, net_log);
 585 }
 586
 587 void SSLClientSocketPool::CancelRequest(const std::string& group_name,
 588                                         ClientSocketHandle* handle) {
 589   base_.CancelRequest(group_name, handle);
 590 }
 591
 592 void SSLClientSocketPool::ReleaseSocket(const std::string& group_name,
 593                                         scoped_ptr<StreamSocket> socket,
 594                                         int id) {
 595   base_.ReleaseSocket(group_name, socket.Pass(), id);
 596 }
 597
 598 void SSLClientSocketPool::FlushWithError(int error) {
 599   base_.FlushWithError(error);
 600 }
 601
 602 void SSLClientSocketPool::CloseIdleSockets() {
 603   base_.CloseIdleSockets();
 604 }
 605
 606 int SSLClientSocketPool::IdleSocketCount() const {
 607   return base_.idle_socket_count();
 608 }
 609
 610 int SSLClientSocketPool::IdleSocketCountInGroup(
 611     const std::string& group_name) const {
 612   return base_.IdleSocketCountInGroup(group_name);
 613 }
 614
 615 LoadState SSLClientSocketPool::GetLoadState(
 616     const std::string& group_name, const ClientSocketHandle* handle) const {
 617   return base_.GetLoadState(group_name, handle);
 618 }
 619
 620 scoped_ptr<base::DictionaryValue> SSLClientSocketPool::GetInfoAsValue(
 621     const std::string& name,
 622     const std::string& type,
 623     bool include_nested_pools) const {
 624   scoped_ptr<base::DictionaryValue> dict(base_.GetInfoAsValue(name, type));
 625   if (include_nested_pools) {
 626     base::ListValue* list = new base::ListValue();
 627     if (transport_pool_) {
 628       list->Append(transport_pool_->GetInfoAsValue("transport_socket_pool",
 629                                                    "transport_socket_pool",
 630                                                    false));
 631     }
 632     if (socks_pool_) {
 633       list->Append(socks_pool_->GetInfoAsValue("socks_pool",
 634                                                "socks_pool",
 635                                                true));
 636     }
 637     if (http_proxy_pool_) {
 638       list->Append(http_proxy_pool_->GetInfoAsValue("http_proxy_pool",
 639                                                     "http_proxy_pool",
 640                                                     true));
 641     }
 642     dict->Set("nested_pools", list);
 643   }
 644   return dict.Pass();
 645 }
 646
 647 base::TimeDelta SSLClientSocketPool::ConnectionTimeout() const {
 648   return base_.ConnectionTimeout();
 649 }
 650
 651 bool SSLClientSocketPool::IsStalled() const {
 652   return base_.IsStalled();
 653 }
 654
 655 void SSLClientSocketPool::AddHigherLayeredPool(HigherLayeredPool* higher_pool) {
 656   base_.AddHigherLayeredPool(higher_pool);
 657 }
 658
 659 void SSLClientSocketPool::RemoveHigherLayeredPool(
 660     HigherLayeredPool* higher_pool) {
 661   base_.RemoveHigherLayeredPool(higher_pool);
 662 }
 663
 664 bool SSLClientSocketPool::CloseOneIdleConnection() {
 665   if (base_.CloseOneIdleSocket())
 666     return true;
 667   return base_.CloseOneIdleConnectionInHigherLayeredPool();
 668 }
 669
 670 void SSLClientSocketPool::OnSSLConfigChanged() {
 671   FlushWithError(ERR_NETWORK_CHANGED);
 672 }
 673
 674 }  // namespace net