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