net/http/http_network_session.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/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_stream_factory.h"
  24 #include "net/socket/client_socket_factory.h"
  25 #include "net/socket/client_socket_pool_manager_impl.h"
  26 #include "net/socket/next_proto.h"
  27 #include "net/spdy/hpack_huffman_aggregator.h"
  28 #include "net/spdy/spdy_session_pool.h"
  29
  30 namespace {
  31
  32 net::ClientSocketPoolManager* CreateSocketPoolManager(
  33     net::HttpNetworkSession::SocketPoolType pool_type,
  34     const net::HttpNetworkSession::Params& params) {
  35   // TODO(yutak): Differentiate WebSocket pool manager and allow more
  36   // simultaneous connections for WebSockets.
  37   return new net::ClientSocketPoolManagerImpl(
  38       params.net_log,
  39       params.client_socket_factory ?
  40       params.client_socket_factory :
  41       net::ClientSocketFactory::GetDefaultFactory(),
  42       params.host_resolver,
  43       params.cert_verifier,
  44       params.channel_id_service,
  45       params.transport_security_state,
  46       params.cert_transparency_verifier,
  47       params.ssl_session_cache_shard,
  48       params.proxy_service,
  49       params.ssl_config_service,
  50       pool_type);
  51 }
  52
  53 }  // unnamed namespace
  54
  55 namespace net {
  56
  57 HttpNetworkSession::Params::Params()
  58     : client_socket_factory(NULL),
  59       host_resolver(NULL),
  60       cert_verifier(NULL),
  61       channel_id_service(NULL),
  62       transport_security_state(NULL),
  63       cert_transparency_verifier(NULL),
  64       proxy_service(NULL),
  65       ssl_config_service(NULL),
  66       http_auth_handler_factory(NULL),
  67       network_delegate(NULL),
  68       net_log(NULL),
  69       host_mapping_rules(NULL),
  70       ignore_certificate_errors(false),
  71       testing_fixed_http_port(0),
  72       testing_fixed_https_port(0),
  73       force_spdy_single_domain(false),
  74       enable_spdy_compression(true),
  75       enable_spdy_ping_based_connection_checking(true),
  76       spdy_default_protocol(kProtoUnknown),
  77       spdy_stream_initial_recv_window_size(0),
  78       spdy_initial_max_concurrent_streams(0),
  79       spdy_max_concurrent_streams_limit(0),
  80       time_func(&base::TimeTicks::Now),
  81       force_spdy_over_ssl(true),
  82       force_spdy_always(false),
  83       use_alternate_protocols(false),
  84       alternate_protocol_probability_threshold(1),
  85       enable_websocket_over_spdy(false),
  86       enable_quic(false),
  87       enable_quic_port_selection(true),
  88       enable_quic_pacing(false),
  89       enable_quic_time_based_loss_detection(false),
  90       enable_quic_persist_server_info(true),
  91       quic_clock(NULL),
  92       quic_random(NULL),
  93       quic_max_packet_length(kDefaultMaxPacketSize),
  94       enable_user_alternate_protocol_ports(false),
  95       quic_crypto_client_stream_factory(NULL) {
  96   quic_supported_versions.push_back(QUIC_VERSION_19);
  97 }
  98
  99 HttpNetworkSession::Params::~Params() {}
 100
 101 // TODO(mbelshe): Move the socket factories into HttpStreamFactory.
 102 HttpNetworkSession::HttpNetworkSession(const Params& params)
 103     : net_log_(params.net_log),
 104       network_delegate_(params.network_delegate),
 105       http_server_properties_(params.http_server_properties),
 106       cert_verifier_(params.cert_verifier),
 107       http_auth_handler_factory_(params.http_auth_handler_factory),
 108       proxy_service_(params.proxy_service),
 109       ssl_config_service_(params.ssl_config_service),
 110       normal_socket_pool_manager_(
 111           CreateSocketPoolManager(NORMAL_SOCKET_POOL, params)),
 112       websocket_socket_pool_manager_(
 113           CreateSocketPoolManager(WEBSOCKET_SOCKET_POOL, params)),
 114       quic_stream_factory_(params.host_resolver,
 115                            params.client_socket_factory ?
 116                                params.client_socket_factory :
 117                                net::ClientSocketFactory::GetDefaultFactory(),
 118                            params.http_server_properties,
 119                            params.cert_verifier,
 120                            params.channel_id_service,
 121                            params.quic_crypto_client_stream_factory,
 122                            params.quic_random ? params.quic_random :
 123                                QuicRandom::GetInstance(),
 124                            params.quic_clock ? params. quic_clock :
 125                                new QuicClock(),
 126                            params.quic_max_packet_length,
 127                            params.quic_user_agent_id,
 128                            params.quic_supported_versions,
 129                            params.enable_quic_port_selection,
 130                            params.enable_quic_pacing,
 131                            params.enable_quic_time_based_loss_detection,
 132                            params.quic_connection_options),
 133       spdy_session_pool_(params.host_resolver,
 134                          params.ssl_config_service,
 135                          params.http_server_properties,
 136                          params.force_spdy_single_domain,
 137                          params.enable_spdy_compression,
 138                          params.enable_spdy_ping_based_connection_checking,
 139                          params.spdy_default_protocol,
 140                          params.spdy_stream_initial_recv_window_size,
 141                          params.spdy_initial_max_concurrent_streams,
 142                          params.spdy_max_concurrent_streams_limit,
 143                          params.time_func,
 144                          params.trusted_spdy_proxy),
 145       http_stream_factory_(new HttpStreamFactoryImpl(this, false)),
 146       http_stream_factory_for_websocket_(
 147           new HttpStreamFactoryImpl(this, true)),
 148       params_(params) {
 149   DCHECK(proxy_service_);
 150   DCHECK(ssl_config_service_.get());
 151   CHECK(http_server_properties_);
 152
 153   for (int i = ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION;
 154        i <= ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION; ++i) {
 155     enabled_protocols_[i - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] = false;
 156   }
 157
 158   // TODO(rtenneti): bug 116575 - consider combining the NextProto and
 159   // AlternateProtocol.
 160   for (std::vector<NextProto>::const_iterator it = params_.next_protos.begin();
 161        it != params_.next_protos.end(); ++it) {
 162     NextProto proto = *it;
 163
 164     // Add the protocol to the TLS next protocol list, except for QUIC
 165     // since it uses UDP.
 166     if (proto != kProtoQUIC1SPDY3) {
 167       next_protos_.push_back(SSLClientSocket::NextProtoToString(proto));
 168     }
 169
 170     // Enable the corresponding alternate protocol, except for HTTP
 171     // which has not corresponding alternative.
 172     if (proto != kProtoHTTP11) {
 173       AlternateProtocol alternate = AlternateProtocolFromNextProto(proto);
 174       if (!IsAlternateProtocolValid(alternate)) {
 175         NOTREACHED() << "Invalid next proto: " << proto;
 176         continue;
 177       }
 178       enabled_protocols_[alternate - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] =
 179           true;
 180     }
 181   }
 182
 183   if (HpackHuffmanAggregator::UseAggregator()) {
 184     huffman_aggregator_.reset(new HpackHuffmanAggregator());
 185   }
 186
 187   http_server_properties_->SetAlternateProtocolProbabilityThreshold(
 188       params.alternate_protocol_probability_threshold);
 189 }
 190
 191 HttpNetworkSession::~HttpNetworkSession() {
 192   STLDeleteElements(&response_drainers_);
 193   spdy_session_pool_.CloseAllSessions();
 194 }
 195
 196 void HttpNetworkSession::AddResponseDrainer(HttpResponseBodyDrainer* drainer) {
 197   DCHECK(!ContainsKey(response_drainers_, drainer));
 198   response_drainers_.insert(drainer);
 199 }
 200
 201 void HttpNetworkSession::RemoveResponseDrainer(
 202     HttpResponseBodyDrainer* drainer) {
 203   DCHECK(ContainsKey(response_drainers_, drainer));
 204   response_drainers_.erase(drainer);
 205 }
 206
 207 TransportClientSocketPool* HttpNetworkSession::GetTransportSocketPool(
 208     SocketPoolType pool_type) {
 209   return GetSocketPoolManager(pool_type)->GetTransportSocketPool();
 210 }
 211
 212 SSLClientSocketPool* HttpNetworkSession::GetSSLSocketPool(
 213     SocketPoolType pool_type) {
 214   return GetSocketPoolManager(pool_type)->GetSSLSocketPool();
 215 }
 216
 217 SOCKSClientSocketPool* HttpNetworkSession::GetSocketPoolForSOCKSProxy(
 218     SocketPoolType pool_type,
 219     const HostPortPair& socks_proxy) {
 220   return GetSocketPoolManager(pool_type)->GetSocketPoolForSOCKSProxy(
 221       socks_proxy);
 222 }
 223
 224 HttpProxyClientSocketPool* HttpNetworkSession::GetSocketPoolForHTTPProxy(
 225     SocketPoolType pool_type,
 226     const HostPortPair& http_proxy) {
 227   return GetSocketPoolManager(pool_type)->GetSocketPoolForHTTPProxy(http_proxy);
 228 }
 229
 230 SSLClientSocketPool* HttpNetworkSession::GetSocketPoolForSSLWithProxy(
 231     SocketPoolType pool_type,
 232     const HostPortPair& proxy_server) {
 233   return GetSocketPoolManager(pool_type)->GetSocketPoolForSSLWithProxy(
 234       proxy_server);
 235 }
 236
 237 base::Value* HttpNetworkSession::SocketPoolInfoToValue() const {
 238   // TODO(yutak): Should merge values from normal pools and WebSocket pools.
 239   return normal_socket_pool_manager_->SocketPoolInfoToValue();
 240 }
 241
 242 base::Value* HttpNetworkSession::SpdySessionPoolInfoToValue() const {
 243   return spdy_session_pool_.SpdySessionPoolInfoToValue();
 244 }
 245
 246 base::Value* HttpNetworkSession::QuicInfoToValue() const {
 247   base::DictionaryValue* dict = new base::DictionaryValue();
 248   dict->Set("sessions", quic_stream_factory_.QuicStreamFactoryInfoToValue());
 249   dict->SetBoolean("quic_enabled", params_.enable_quic);
 250   dict->SetBoolean("enable_quic_port_selection",
 251                    params_.enable_quic_port_selection);
 252   dict->SetBoolean("enable_quic_pacing",
 253                    params_.enable_quic_pacing);
 254   dict->SetBoolean("enable_quic_time_based_loss_detection",
 255                    params_.enable_quic_time_based_loss_detection);
 256   dict->SetBoolean("enable_quic_persist_server_info",
 257                    params_.enable_quic_persist_server_info);
 258   dict->SetString("origin_to_force_quic_on",
 259                   params_.origin_to_force_quic_on.ToString());
 260   return dict;
 261 }
 262
 263 void HttpNetworkSession::CloseAllConnections() {
 264   normal_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
 265   websocket_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
 266   spdy_session_pool_.CloseCurrentSessions(ERR_ABORTED);
 267   quic_stream_factory_.CloseAllSessions(ERR_ABORTED);
 268 }
 269
 270 void HttpNetworkSession::CloseIdleConnections() {
 271   normal_socket_pool_manager_->CloseIdleSockets();
 272   websocket_socket_pool_manager_->CloseIdleSockets();
 273   spdy_session_pool_.CloseCurrentIdleSessions();
 274 }
 275
 276 bool HttpNetworkSession::IsProtocolEnabled(AlternateProtocol protocol) const {
 277   DCHECK(IsAlternateProtocolValid(protocol));
 278   return enabled_protocols_[
 279       protocol - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION];
 280 }
 281
 282 void HttpNetworkSession::GetNextProtos(
 283     std::vector<std::string>* next_protos) const {
 284   if (HttpStreamFactory::spdy_enabled()) {
 285     *next_protos = next_protos_;
 286   } else {
 287     next_protos->clear();
 288   }
 289 }
 290
 291 bool HttpNetworkSession::HasSpdyExclusion(
 292     HostPortPair host_port_pair) const {
 293   return params_.forced_spdy_exclusions.find(host_port_pair) !=
 294       params_.forced_spdy_exclusions.end();
 295 }
 296
 297 ClientSocketPoolManager* HttpNetworkSession::GetSocketPoolManager(
 298     SocketPoolType pool_type) {
 299   switch (pool_type) {
 300     case NORMAL_SOCKET_POOL:
 301       return normal_socket_pool_manager_.get();
 302     case WEBSOCKET_SOCKET_POOL:
 303       return websocket_socket_pool_manager_.get();
 304     default:
 305       NOTREACHED();
 306       break;
 307   }
 308   return NULL;
 309 }
 310
 311 }  //  namespace net