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/profiler/scoped_tracker.h"
  13 #include "base/stl_util.h"
  14 #include "base/strings/string_util.h"
  15 #include "base/values.h"
  16 #include "net/http/http_auth_handler_factory.h"
  17 #include "net/http/http_response_body_drainer.h"
  18 #include "net/http/http_stream_factory_impl.h"
  19 #include "net/http/url_security_manager.h"
  20 #include "net/proxy/proxy_service.h"
  21 #include "net/quic/crypto/quic_random.h"
  22 #include "net/quic/quic_clock.h"
  23 #include "net/quic/quic_crypto_client_stream_factory.h"
  24 #include "net/quic/quic_protocol.h"
  25 #include "net/quic/quic_stream_factory.h"
  26 #include "net/quic/quic_utils.h"
  27 #include "net/socket/client_socket_factory.h"
  28 #include "net/socket/client_socket_pool_manager_impl.h"
  29 #include "net/socket/next_proto.h"
  30 #include "net/socket/ssl_client_socket.h"
  31 #include "net/spdy/hpack_huffman_aggregator.h"
  32 #include "net/spdy/spdy_session_pool.h"
  33
  34 namespace {
  35
  36 net::ClientSocketPoolManager* CreateSocketPoolManager(
  37     net::HttpNetworkSession::SocketPoolType pool_type,
  38     const net::HttpNetworkSession::Params& params) {
  39   // TODO(michaeln): Remove ScopedTracker below once crbug.com/454983 is fixed
  40   tracked_objects::ScopedTracker tracking_profile(
  41       FROM_HERE_WITH_EXPLICIT_FUNCTION(
  42           "454983 CreateSocketPoolManager"));
  43   // TODO(yutak): Differentiate WebSocket pool manager and allow more
  44   // simultaneous connections for WebSockets.
  45   return new net::ClientSocketPoolManagerImpl(
  46       params.net_log, params.client_socket_factory
  47                           ? params.client_socket_factory
  48                           : net::ClientSocketFactory::GetDefaultFactory(),
  49       params.host_resolver, params.cert_verifier, params.channel_id_service,
  50       params.transport_security_state, params.cert_transparency_verifier,
  51       params.cert_policy_enforcer, params.ssl_session_cache_shard,
  52       params.ssl_config_service, params.enable_ssl_connect_job_waiting,
  53       pool_type);
  54 }
  55
  56 }  // unnamed namespace
  57
  58 namespace net {
  59
  60 HttpNetworkSession::Params::Params()
  61     : client_socket_factory(NULL),
  62       host_resolver(NULL),
  63       cert_verifier(NULL),
  64       cert_policy_enforcer(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       use_stale_while_revalidate(false),
  77       testing_fixed_http_port(0),
  78       testing_fixed_https_port(0),
  79       enable_tcp_fast_open_for_ssl(false),
  80       force_spdy_single_domain(false),
  81       enable_spdy_compression(true),
  82       enable_spdy_ping_based_connection_checking(true),
  83       spdy_default_protocol(kProtoUnknown),
  84       spdy_stream_initial_recv_window_size(0),
  85       spdy_initial_max_concurrent_streams(0),
  86       spdy_max_concurrent_streams_limit(0),
  87       time_func(&base::TimeTicks::Now),
  88       force_spdy_over_ssl(true),
  89       force_spdy_always(false),
  90       use_alternate_protocols(false),
  91       alternate_protocol_probability_threshold(1),
  92       enable_quic(false),
  93       enable_quic_for_proxies(false),
  94       enable_quic_port_selection(true),
  95       quic_always_require_handshake_confirmation(false),
  96       quic_disable_connection_pooling(false),
  97       quic_load_server_info_timeout_ms(0),
  98       quic_load_server_info_timeout_srtt_multiplier(0.0f),
  99       quic_enable_truncated_connection_ids(false),
 100       quic_enable_connection_racing(false),
 101       quic_disable_disk_cache(false),
 102       quic_clock(NULL),
 103       quic_random(NULL),
 104       quic_max_packet_length(kDefaultMaxPacketSize),
 105       enable_user_alternate_protocol_ports(false),
 106       quic_crypto_client_stream_factory(NULL),
 107       proxy_delegate(NULL) {
 108   quic_supported_versions.push_back(QUIC_VERSION_24);
 109 }
 110
 111 HttpNetworkSession::Params::~Params() {}
 112
 113 // TODO(mbelshe): Move the socket factories into HttpStreamFactory.
 114 HttpNetworkSession::HttpNetworkSession(const Params& params)
 115     : net_log_(params.net_log),
 116       network_delegate_(params.network_delegate),
 117       http_server_properties_(params.http_server_properties),
 118       cert_verifier_(params.cert_verifier),
 119       http_auth_handler_factory_(params.http_auth_handler_factory),
 120       proxy_service_(params.proxy_service),
 121       ssl_config_service_(params.ssl_config_service),
 122       normal_socket_pool_manager_(
 123           CreateSocketPoolManager(NORMAL_SOCKET_POOL, params)),
 124       websocket_socket_pool_manager_(
 125           CreateSocketPoolManager(WEBSOCKET_SOCKET_POOL, params)),
 126       quic_stream_factory_(
 127           params.host_resolver,
 128           params.client_socket_factory
 129               ? params.client_socket_factory
 130               : net::ClientSocketFactory::GetDefaultFactory(),
 131           params.http_server_properties,
 132           params.cert_verifier,
 133           params.channel_id_service,
 134           params.transport_security_state,
 135           params.quic_crypto_client_stream_factory,
 136           params.quic_random ? params.quic_random : QuicRandom::GetInstance(),
 137           params.quic_clock ? params.quic_clock : new QuicClock(),
 138           params.quic_max_packet_length,
 139           params.quic_user_agent_id,
 140           params.quic_supported_versions,
 141           params.enable_quic_port_selection,
 142           params.quic_always_require_handshake_confirmation,
 143           params.quic_disable_connection_pooling,
 144           params.quic_load_server_info_timeout_ms,
 145           params.quic_load_server_info_timeout_srtt_multiplier,
 146           params.quic_enable_truncated_connection_ids,
 147           params.quic_enable_connection_racing,
 148           params.quic_disable_disk_cache,
 149           params.quic_connection_options),
 150       spdy_session_pool_(params.host_resolver,
 151                          params.ssl_config_service,
 152                          params.http_server_properties,
 153                          params.transport_security_state,
 154                          params.force_spdy_single_domain,
 155                          params.enable_spdy_compression,
 156                          params.enable_spdy_ping_based_connection_checking,
 157                          params.spdy_default_protocol,
 158                          params.spdy_stream_initial_recv_window_size,
 159                          params.spdy_initial_max_concurrent_streams,
 160                          params.spdy_max_concurrent_streams_limit,
 161                          params.time_func,
 162                          params.trusted_spdy_proxy),
 163       http_stream_factory_(new HttpStreamFactoryImpl(this, false)),
 164       http_stream_factory_for_websocket_(new HttpStreamFactoryImpl(this, true)),
 165       params_(params) {
 166   DCHECK(proxy_service_);
 167   DCHECK(ssl_config_service_.get());
 168   CHECK(http_server_properties_);
 169   // TODO(michaeln): Remove ScopedTracker below once crbug.com/454983 is fixed
 170   tracked_objects::ScopedTracker tracking_profile(
 171       FROM_HERE_WITH_EXPLICIT_FUNCTION(
 172           "454983 HttpNetworkSession::HttpNetworkSession"));
 173
 174   for (int i = ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION;
 175        i <= ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION; ++i) {
 176     enabled_protocols_[i - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] = false;
 177   }
 178
 179   // TODO(rtenneti): bug 116575 - consider combining the NextProto and
 180   // AlternateProtocol.
 181   for (std::vector<NextProto>::const_iterator it = params_.next_protos.begin();
 182        it != params_.next_protos.end(); ++it) {
 183     NextProto proto = *it;
 184
 185     // Add the protocol to the TLS next protocol list, except for QUIC
 186     // since it uses UDP.
 187     if (proto != kProtoQUIC1SPDY3) {
 188       next_protos_.push_back(proto);
 189     }
 190
 191     // Enable the corresponding alternate protocol, except for HTTP
 192     // which has not corresponding alternative.
 193     if (proto != kProtoHTTP11) {
 194       AlternateProtocol alternate = AlternateProtocolFromNextProto(proto);
 195       if (!IsAlternateProtocolValid(alternate)) {
 196         NOTREACHED() << "Invalid next proto: " << proto;
 197         continue;
 198       }
 199       enabled_protocols_[alternate - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] =
 200           true;
 201     }
 202   }
 203
 204   if (HpackHuffmanAggregator::UseAggregator()) {
 205     huffman_aggregator_.reset(new HpackHuffmanAggregator());
 206   }
 207
 208   http_server_properties_->SetAlternateProtocolProbabilityThreshold(
 209       params.alternate_protocol_probability_threshold);
 210 }
 211
 212 HttpNetworkSession::~HttpNetworkSession() {
 213   STLDeleteElements(&response_drainers_);
 214   spdy_session_pool_.CloseAllSessions();
 215 }
 216
 217 void HttpNetworkSession::AddResponseDrainer(HttpResponseBodyDrainer* drainer) {
 218   DCHECK(!ContainsKey(response_drainers_, drainer));
 219   response_drainers_.insert(drainer);
 220 }
 221
 222 void HttpNetworkSession::RemoveResponseDrainer(
 223     HttpResponseBodyDrainer* drainer) {
 224   DCHECK(ContainsKey(response_drainers_, drainer));
 225   response_drainers_.erase(drainer);
 226 }
 227
 228 TransportClientSocketPool* HttpNetworkSession::GetTransportSocketPool(
 229     SocketPoolType pool_type) {
 230   return GetSocketPoolManager(pool_type)->GetTransportSocketPool();
 231 }
 232
 233 SSLClientSocketPool* HttpNetworkSession::GetSSLSocketPool(
 234     SocketPoolType pool_type) {
 235   return GetSocketPoolManager(pool_type)->GetSSLSocketPool();
 236 }
 237
 238 SOCKSClientSocketPool* HttpNetworkSession::GetSocketPoolForSOCKSProxy(
 239     SocketPoolType pool_type,
 240     const HostPortPair& socks_proxy) {
 241   return GetSocketPoolManager(pool_type)->GetSocketPoolForSOCKSProxy(
 242       socks_proxy);
 243 }
 244
 245 HttpProxyClientSocketPool* HttpNetworkSession::GetSocketPoolForHTTPProxy(
 246     SocketPoolType pool_type,
 247     const HostPortPair& http_proxy) {
 248   return GetSocketPoolManager(pool_type)->GetSocketPoolForHTTPProxy(http_proxy);
 249 }
 250
 251 SSLClientSocketPool* HttpNetworkSession::GetSocketPoolForSSLWithProxy(
 252     SocketPoolType pool_type,
 253     const HostPortPair& proxy_server) {
 254   return GetSocketPoolManager(pool_type)->GetSocketPoolForSSLWithProxy(
 255       proxy_server);
 256 }
 257
 258 base::Value* HttpNetworkSession::SocketPoolInfoToValue() const {
 259   // TODO(yutak): Should merge values from normal pools and WebSocket pools.
 260   return normal_socket_pool_manager_->SocketPoolInfoToValue();
 261 }
 262
 263 base::Value* HttpNetworkSession::SpdySessionPoolInfoToValue() const {
 264   return spdy_session_pool_.SpdySessionPoolInfoToValue();
 265 }
 266
 267 base::Value* HttpNetworkSession::QuicInfoToValue() const {
 268   base::DictionaryValue* dict = new base::DictionaryValue();
 269   dict->Set("sessions", quic_stream_factory_.QuicStreamFactoryInfoToValue());
 270   dict->SetBoolean("quic_enabled", params_.enable_quic);
 271   dict->SetBoolean("quic_enabled_for_proxies", params_.enable_quic_for_proxies);
 272   dict->SetBoolean("enable_quic_port_selection",
 273                    params_.enable_quic_port_selection);
 274   base::ListValue* connection_options = new base::ListValue;
 275   for (QuicTagVector::const_iterator it =
 276            params_.quic_connection_options.begin();
 277        it != params_.quic_connection_options.end(); ++it) {
 278     connection_options->AppendString("'" + QuicUtils::TagToString(*it) + "'");
 279   }
 280   dict->Set("connection_options", connection_options);
 281   dict->SetString("origin_to_force_quic_on",
 282                   params_.origin_to_force_quic_on.ToString());
 283   dict->SetDouble("alternate_protocol_probability_threshold",
 284                   params_.alternate_protocol_probability_threshold);
 285   return dict;
 286 }
 287
 288 void HttpNetworkSession::CloseAllConnections() {
 289   normal_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
 290   websocket_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
 291   spdy_session_pool_.CloseCurrentSessions(ERR_ABORTED);
 292   quic_stream_factory_.CloseAllSessions(ERR_ABORTED);
 293 }
 294
 295 void HttpNetworkSession::CloseIdleConnections() {
 296   normal_socket_pool_manager_->CloseIdleSockets();
 297   websocket_socket_pool_manager_->CloseIdleSockets();
 298   spdy_session_pool_.CloseCurrentIdleSessions();
 299 }
 300
 301 bool HttpNetworkSession::IsProtocolEnabled(AlternateProtocol protocol) const {
 302   DCHECK(IsAlternateProtocolValid(protocol));
 303   return enabled_protocols_[
 304       protocol - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION];
 305 }
 306
 307 void HttpNetworkSession::GetNextProtos(NextProtoVector* next_protos) const {
 308   if (HttpStreamFactory::spdy_enabled()) {
 309     *next_protos = next_protos_;
 310   } else {
 311     next_protos->clear();
 312   }
 313 }
 314
 315 bool HttpNetworkSession::HasSpdyExclusion(
 316     HostPortPair host_port_pair) const {
 317   return params_.forced_spdy_exclusions.find(host_port_pair) !=
 318       params_.forced_spdy_exclusions.end();
 319 }
 320
 321 ClientSocketPoolManager* HttpNetworkSession::GetSocketPoolManager(
 322     SocketPoolType pool_type) {
 323   switch (pool_type) {
 324     case NORMAL_SOCKET_POOL:
 325       return normal_socket_pool_manager_.get();
 326     case WEBSOCKET_SOCKET_POOL:
 327       return websocket_socket_pool_manager_.get();
 328     default:
 329       NOTREACHED();
 330       break;
 331   }
 332   return NULL;
 333 }
 334
 335 }  //  namespace net