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/http/http_network_session.h" 6 7 #include <utility> 8 9 #include "base/compiler_specific.h" 10 #include "base/debug/stack_trace.h" 11 #include "base/logging.h" 12 #include "base/stl_util.h" 13 #include "base/strings/string_util.h" 14 #include "base/values.h" 15 #include "net/http/http_auth_handler_factory.h" 16 #include "net/http/http_response_body_drainer.h" 17 #include "net/http/http_stream_factory_impl.h" 18 #include "net/http/url_security_manager.h" 19 #include "net/proxy/proxy_service.h" 20 #include "net/quic/crypto/quic_random.h" 21 #include "net/quic/quic_clock.h" 22 #include "net/quic/quic_crypto_client_stream_factory.h" 23 #include "net/quic/quic_protocol.h" 24 #include "net/quic/quic_stream_factory.h" 25 #include "net/quic/quic_utils.h" 26 #include "net/socket/client_socket_factory.h" 27 #include "net/socket/client_socket_pool_manager_impl.h" 28 #include "net/socket/next_proto.h" 29 #include "net/spdy/hpack_huffman_aggregator.h" 30 #include "net/spdy/spdy_session_pool.h" 31 32 namespace { 33 34 net::ClientSocketPoolManager* CreateSocketPoolManager( 35 net::HttpNetworkSession::SocketPoolType pool_type, 36 const net::HttpNetworkSession::Params& params) { 37 // TODO(yutak): Differentiate WebSocket pool manager and allow more 38 // simultaneous connections for WebSockets. 39 return new net::ClientSocketPoolManagerImpl( 40 params.net_log, 41 params.client_socket_factory 42 ? params.client_socket_factory 43 : net::ClientSocketFactory::GetDefaultFactory(), 44 params.host_resolver, 45 params.cert_verifier, 46 params.channel_id_service, 47 params.transport_security_state, 48 params.cert_transparency_verifier, 49 params.ssl_session_cache_shard, 50 params.proxy_service, 51 params.ssl_config_service, 52 params.enable_ssl_connect_job_waiting, 53 params.proxy_delegate, 54 pool_type); 55 } 56 57 } // unnamed namespace 58 59 namespace net { 60 61 HttpNetworkSession::Params::Params() 62 : client_socket_factory(NULL), 63 host_resolver(NULL), 64 cert_verifier(NULL), 65 channel_id_service(NULL), 66 transport_security_state(NULL), 67 cert_transparency_verifier(NULL), 68 proxy_service(NULL), 69 ssl_config_service(NULL), 70 http_auth_handler_factory(NULL), 71 network_delegate(NULL), 72 net_log(NULL), 73 host_mapping_rules(NULL), 74 enable_ssl_connect_job_waiting(false), 75 ignore_certificate_errors(false), 76 testing_fixed_http_port(0), 77 testing_fixed_https_port(0), 78 enable_tcp_fast_open_for_ssl(false), 79 force_spdy_single_domain(false), 80 enable_spdy_compression(true), 81 enable_spdy_ping_based_connection_checking(true), 82 spdy_default_protocol(kProtoUnknown), 83 spdy_stream_initial_recv_window_size(0), 84 spdy_initial_max_concurrent_streams(0), 85 spdy_max_concurrent_streams_limit(0), 86 time_func(&base::TimeTicks::Now), 87 force_spdy_over_ssl(true), 88 force_spdy_always(false), 89 use_alternate_protocols(false), 90 alternate_protocol_probability_threshold(1), 91 enable_websocket_over_spdy(false), 92 enable_quic(false), 93 enable_quic_port_selection(true), 94 enable_quic_time_based_loss_detection(false), 95 quic_always_require_handshake_confirmation(false), 96 quic_disable_connection_pooling(false), 97 quic_clock(NULL), 98 quic_random(NULL), 99 quic_max_packet_length(kDefaultMaxPacketSize), 100 enable_user_alternate_protocol_ports(false), 101 quic_crypto_client_stream_factory(NULL), 102 proxy_delegate(NULL) { 103 quic_supported_versions.push_back(QUIC_VERSION_23); 104 } 105 106 HttpNetworkSession::Params::~Params() {} 107 108 // TODO(mbelshe): Move the socket factories into HttpStreamFactory. 109 HttpNetworkSession::HttpNetworkSession(const Params& params) 110 : net_log_(params.net_log), 111 network_delegate_(params.network_delegate), 112 http_server_properties_(params.http_server_properties), 113 cert_verifier_(params.cert_verifier), 114 http_auth_handler_factory_(params.http_auth_handler_factory), 115 proxy_service_(params.proxy_service), 116 ssl_config_service_(params.ssl_config_service), 117 normal_socket_pool_manager_( 118 CreateSocketPoolManager(NORMAL_SOCKET_POOL, params)), 119 websocket_socket_pool_manager_( 120 CreateSocketPoolManager(WEBSOCKET_SOCKET_POOL, params)), 121 quic_stream_factory_( 122 params.host_resolver, 123 params.client_socket_factory 124 ? params.client_socket_factory 125 : net::ClientSocketFactory::GetDefaultFactory(), 126 params.http_server_properties, 127 params.cert_verifier, 128 params.channel_id_service, 129 params.transport_security_state, 130 params.quic_crypto_client_stream_factory, 131 params.quic_random ? params.quic_random : QuicRandom::GetInstance(), 132 params.quic_clock ? params.quic_clock : new QuicClock(), 133 params.quic_max_packet_length, 134 params.quic_user_agent_id, 135 params.quic_supported_versions, 136 params.enable_quic_port_selection, 137 params.enable_quic_time_based_loss_detection, 138 params.quic_always_require_handshake_confirmation, 139 params.quic_disable_connection_pooling, 140 params.quic_connection_options), 141 spdy_session_pool_(params.host_resolver, 142 params.ssl_config_service, 143 params.http_server_properties, 144 params.transport_security_state, 145 params.force_spdy_single_domain, 146 params.enable_spdy_compression, 147 params.enable_spdy_ping_based_connection_checking, 148 params.spdy_default_protocol, 149 params.spdy_stream_initial_recv_window_size, 150 params.spdy_initial_max_concurrent_streams, 151 params.spdy_max_concurrent_streams_limit, 152 params.time_func, 153 params.trusted_spdy_proxy), 154 http_stream_factory_(new HttpStreamFactoryImpl(this, false)), 155 http_stream_factory_for_websocket_(new HttpStreamFactoryImpl(this, true)), 156 params_(params) { 157 DCHECK(proxy_service_); 158 DCHECK(ssl_config_service_.get()); 159 CHECK(http_server_properties_); 160 161 for (int i = ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION; 162 i <= ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION; ++i) { 163 enabled_protocols_[i - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] = false; 164 } 165 166 // TODO(rtenneti): bug 116575 - consider combining the NextProto and 167 // AlternateProtocol. 168 for (std::vector<NextProto>::const_iterator it = params_.next_protos.begin(); 169 it != params_.next_protos.end(); ++it) { 170 NextProto proto = *it; 171 172 // Add the protocol to the TLS next protocol list, except for QUIC 173 // since it uses UDP. 174 if (proto != kProtoQUIC1SPDY3) { 175 next_protos_.push_back(SSLClientSocket::NextProtoToString(proto)); 176 } 177 178 // Enable the corresponding alternate protocol, except for HTTP 179 // which has not corresponding alternative. 180 if (proto != kProtoHTTP11) { 181 AlternateProtocol alternate = AlternateProtocolFromNextProto(proto); 182 if (!IsAlternateProtocolValid(alternate)) { 183 NOTREACHED() << "Invalid next proto: " << proto; 184 continue; 185 } 186 enabled_protocols_[alternate - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] = 187 true; 188 } 189 } 190 191 if (HpackHuffmanAggregator::UseAggregator()) { 192 huffman_aggregator_.reset(new HpackHuffmanAggregator()); 193 } 194 195 http_server_properties_->SetAlternateProtocolProbabilityThreshold( 196 params.alternate_protocol_probability_threshold); 197 } 198 199 HttpNetworkSession::~HttpNetworkSession() { 200 STLDeleteElements(&response_drainers_); 201 spdy_session_pool_.CloseAllSessions(); 202 } 203 204 void HttpNetworkSession::AddResponseDrainer(HttpResponseBodyDrainer* drainer) { 205 DCHECK(!ContainsKey(response_drainers_, drainer)); 206 response_drainers_.insert(drainer); 207 } 208 209 void HttpNetworkSession::RemoveResponseDrainer( 210 HttpResponseBodyDrainer* drainer) { 211 DCHECK(ContainsKey(response_drainers_, drainer)); 212 response_drainers_.erase(drainer); 213 } 214 215 TransportClientSocketPool* HttpNetworkSession::GetTransportSocketPool( 216 SocketPoolType pool_type) { 217 return GetSocketPoolManager(pool_type)->GetTransportSocketPool(); 218 } 219 220 SSLClientSocketPool* HttpNetworkSession::GetSSLSocketPool( 221 SocketPoolType pool_type) { 222 return GetSocketPoolManager(pool_type)->GetSSLSocketPool(); 223 } 224 225 SOCKSClientSocketPool* HttpNetworkSession::GetSocketPoolForSOCKSProxy( 226 SocketPoolType pool_type, 227 const HostPortPair& socks_proxy) { 228 return GetSocketPoolManager(pool_type)->GetSocketPoolForSOCKSProxy( 229 socks_proxy); 230 } 231 232 HttpProxyClientSocketPool* HttpNetworkSession::GetSocketPoolForHTTPProxy( 233 SocketPoolType pool_type, 234 const HostPortPair& http_proxy) { 235 return GetSocketPoolManager(pool_type)->GetSocketPoolForHTTPProxy(http_proxy); 236 } 237 238 SSLClientSocketPool* HttpNetworkSession::GetSocketPoolForSSLWithProxy( 239 SocketPoolType pool_type, 240 const HostPortPair& proxy_server) { 241 return GetSocketPoolManager(pool_type)->GetSocketPoolForSSLWithProxy( 242 proxy_server); 243 } 244 245 base::Value* HttpNetworkSession::SocketPoolInfoToValue() const { 246 // TODO(yutak): Should merge values from normal pools and WebSocket pools. 247 return normal_socket_pool_manager_->SocketPoolInfoToValue(); 248 } 249 250 base::Value* HttpNetworkSession::SpdySessionPoolInfoToValue() const { 251 return spdy_session_pool_.SpdySessionPoolInfoToValue(); 252 } 253 254 base::Value* HttpNetworkSession::QuicInfoToValue() const { 255 base::DictionaryValue* dict = new base::DictionaryValue(); 256 dict->Set("sessions", quic_stream_factory_.QuicStreamFactoryInfoToValue()); 257 dict->SetBoolean("quic_enabled", params_.enable_quic); 258 dict->SetBoolean("enable_quic_port_selection", 259 params_.enable_quic_port_selection); 260 base::ListValue* connection_options = new base::ListValue; 261 for (QuicTagVector::const_iterator it = 262 params_.quic_connection_options.begin(); 263 it != params_.quic_connection_options.end(); ++it) { 264 connection_options->AppendString("'" + QuicUtils::TagToString(*it) + "'"); 265 } 266 dict->Set("connection_options", connection_options); 267 dict->SetBoolean("enable_quic_time_based_loss_detection", 268 params_.enable_quic_time_based_loss_detection); 269 dict->SetString("origin_to_force_quic_on", 270 params_.origin_to_force_quic_on.ToString()); 271 dict->SetDouble("alternate_protocol_probability_threshold", 272 params_.alternate_protocol_probability_threshold); 273 return dict; 274 } 275 276 void HttpNetworkSession::CloseAllConnections() { 277 normal_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED); 278 websocket_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED); 279 spdy_session_pool_.CloseCurrentSessions(ERR_ABORTED); 280 quic_stream_factory_.CloseAllSessions(ERR_ABORTED); 281 } 282 283 void HttpNetworkSession::CloseIdleConnections() { 284 normal_socket_pool_manager_->CloseIdleSockets(); 285 websocket_socket_pool_manager_->CloseIdleSockets(); 286 spdy_session_pool_.CloseCurrentIdleSessions(); 287 } 288 289 bool HttpNetworkSession::IsProtocolEnabled(AlternateProtocol protocol) const { 290 DCHECK(IsAlternateProtocolValid(protocol)); 291 return enabled_protocols_[ 292 protocol - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION]; 293 } 294 295 void HttpNetworkSession::GetNextProtos( 296 std::vector<std::string>* next_protos) const { 297 if (HttpStreamFactory::spdy_enabled()) { 298 *next_protos = next_protos_; 299 } else { 300 next_protos->clear(); 301 } 302 } 303 304 bool HttpNetworkSession::HasSpdyExclusion( 305 HostPortPair host_port_pair) const { 306 return params_.forced_spdy_exclusions.find(host_port_pair) != 307 params_.forced_spdy_exclusions.end(); 308 } 309 310 ClientSocketPoolManager* HttpNetworkSession::GetSocketPoolManager( 311 SocketPoolType pool_type) { 312 switch (pool_type) { 313 case NORMAL_SOCKET_POOL: 314 return normal_socket_pool_manager_.get(); 315 case WEBSOCKET_SOCKET_POOL: 316 return websocket_socket_pool_manager_.get(); 317 default: 318 NOTREACHED(); 319 break; 320 } 321 return NULL; 322 } 323 324 } // namespace net 325
