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.ssl_config_service, params.enable_ssl_connect_job_waiting,
  48       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_load_server_info_timeout_srtt_multiplier(0.0f),
  94       quic_enable_truncated_connection_ids(false),
  95       quic_clock(NULL),
  96       quic_random(NULL),
  97       quic_max_packet_length(kDefaultMaxPacketSize),
  98       enable_user_alternate_protocol_ports(false),
  99       quic_crypto_client_stream_factory(NULL),
 100       proxy_delegate(NULL) {
 101   quic_supported_versions.push_back(QUIC_VERSION_23);
 102 }
 103
 104 HttpNetworkSession::Params::~Params() {}
 105
 106 // TODO(mbelshe): Move the socket factories into HttpStreamFactory.
 107 HttpNetworkSession::HttpNetworkSession(const Params& params)
 108     : net_log_(params.net_log),
 109       network_delegate_(params.network_delegate),
 110       http_server_properties_(params.http_server_properties),
 111       cert_verifier_(params.cert_verifier),
 112       http_auth_handler_factory_(params.http_auth_handler_factory),
 113       proxy_service_(params.proxy_service),
 114       ssl_config_service_(params.ssl_config_service),
 115       normal_socket_pool_manager_(
 116           CreateSocketPoolManager(NORMAL_SOCKET_POOL, params)),
 117       websocket_socket_pool_manager_(
 118           CreateSocketPoolManager(WEBSOCKET_SOCKET_POOL, params)),
 119       quic_stream_factory_(
 120           params.host_resolver,
 121           params.client_socket_factory
 122               ? params.client_socket_factory
 123               : net::ClientSocketFactory::GetDefaultFactory(),
 124           params.http_server_properties,
 125           params.cert_verifier,
 126           params.channel_id_service,
 127           params.transport_security_state,
 128           params.quic_crypto_client_stream_factory,
 129           params.quic_random ? params.quic_random : QuicRandom::GetInstance(),
 130           params.quic_clock ? params.quic_clock : new QuicClock(),
 131           params.quic_max_packet_length,
 132           params.quic_user_agent_id,
 133           params.quic_supported_versions,
 134           params.enable_quic_port_selection,
 135           params.quic_always_require_handshake_confirmation,
 136           params.quic_disable_connection_pooling,
 137           params.quic_load_server_info_timeout_ms,
 138           params.quic_disable_loading_server_info_for_new_servers,
 139           params.quic_load_server_info_timeout_srtt_multiplier,
 140           params.quic_enable_truncated_connection_ids,
 141           params.quic_connection_options),
 142       spdy_session_pool_(params.host_resolver,
 143                          params.ssl_config_service,
 144                          params.http_server_properties,
 145                          params.transport_security_state,
 146                          params.force_spdy_single_domain,
 147                          params.enable_spdy_compression,
 148                          params.enable_spdy_ping_based_connection_checking,
 149                          params.spdy_default_protocol,
 150                          params.spdy_stream_initial_recv_window_size,
 151                          params.spdy_initial_max_concurrent_streams,
 152                          params.spdy_max_concurrent_streams_limit,
 153                          params.time_func,
 154                          params.trusted_spdy_proxy),
 155       http_stream_factory_(new HttpStreamFactoryImpl(this, false)),
 156       http_stream_factory_for_websocket_(new HttpStreamFactoryImpl(this, true)),
 157       params_(params) {
 158   DCHECK(proxy_service_);
 159   DCHECK(ssl_config_service_.get());
 160   CHECK(http_server_properties_);
 161
 162   for (int i = ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION;
 163        i <= ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION; ++i) {
 164     enabled_protocols_[i - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] = false;
 165   }
 166
 167   // TODO(rtenneti): bug 116575 - consider combining the NextProto and
 168   // AlternateProtocol.
 169   for (std::vector<NextProto>::const_iterator it = params_.next_protos.begin();
 170        it != params_.next_protos.end(); ++it) {
 171     NextProto proto = *it;
 172
 173     // Add the protocol to the TLS next protocol list, except for QUIC
 174     // since it uses UDP.
 175     if (proto != kProtoQUIC1SPDY3) {
 176       next_protos_.push_back(proto);
 177     }
 178
 179     // Enable the corresponding alternate protocol, except for HTTP
 180     // which has not corresponding alternative.
 181     if (proto != kProtoHTTP11) {
 182       AlternateProtocol alternate = AlternateProtocolFromNextProto(proto);
 183       if (!IsAlternateProtocolValid(alternate)) {
 184         NOTREACHED() << "Invalid next proto: " << proto;
 185         continue;
 186       }
 187       enabled_protocols_[alternate - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] =
 188           true;
 189     }
 190   }
 191
 192   if (HpackHuffmanAggregator::UseAggregator()) {
 193     huffman_aggregator_.reset(new HpackHuffmanAggregator());
 194   }
 195
 196   http_server_properties_->SetAlternateProtocolProbabilityThreshold(
 197       params.alternate_protocol_probability_threshold);
 198 }
 199
 200 HttpNetworkSession::~HttpNetworkSession() {
 201   STLDeleteElements(&response_drainers_);
 202   spdy_session_pool_.CloseAllSessions();
 203 }
 204
 205 void HttpNetworkSession::AddResponseDrainer(HttpResponseBodyDrainer* drainer) {
 206   DCHECK(!ContainsKey(response_drainers_, drainer));
 207   response_drainers_.insert(drainer);
 208 }
 209
 210 void HttpNetworkSession::RemoveResponseDrainer(
 211     HttpResponseBodyDrainer* drainer) {
 212   DCHECK(ContainsKey(response_drainers_, drainer));
 213   response_drainers_.erase(drainer);
 214 }
 215
 216 TransportClientSocketPool* HttpNetworkSession::GetTransportSocketPool(
 217     SocketPoolType pool_type) {
 218   return GetSocketPoolManager(pool_type)->GetTransportSocketPool();
 219 }
 220
 221 SSLClientSocketPool* HttpNetworkSession::GetSSLSocketPool(
 222     SocketPoolType pool_type) {
 223   return GetSocketPoolManager(pool_type)->GetSSLSocketPool();
 224 }
 225
 226 SOCKSClientSocketPool* HttpNetworkSession::GetSocketPoolForSOCKSProxy(
 227     SocketPoolType pool_type,
 228     const HostPortPair& socks_proxy) {
 229   return GetSocketPoolManager(pool_type)->GetSocketPoolForSOCKSProxy(
 230       socks_proxy);
 231 }
 232
 233 HttpProxyClientSocketPool* HttpNetworkSession::GetSocketPoolForHTTPProxy(
 234     SocketPoolType pool_type,
 235     const HostPortPair& http_proxy) {
 236   return GetSocketPoolManager(pool_type)->GetSocketPoolForHTTPProxy(http_proxy);
 237 }
 238
 239 SSLClientSocketPool* HttpNetworkSession::GetSocketPoolForSSLWithProxy(
 240     SocketPoolType pool_type,
 241     const HostPortPair& proxy_server) {
 242   return GetSocketPoolManager(pool_type)->GetSocketPoolForSSLWithProxy(
 243       proxy_server);
 244 }
 245
 246 base::Value* HttpNetworkSession::SocketPoolInfoToValue() const {
 247   // TODO(yutak): Should merge values from normal pools and WebSocket pools.
 248   return normal_socket_pool_manager_->SocketPoolInfoToValue();
 249 }
 250
 251 base::Value* HttpNetworkSession::SpdySessionPoolInfoToValue() const {
 252   return spdy_session_pool_.SpdySessionPoolInfoToValue();
 253 }
 254
 255 base::Value* HttpNetworkSession::QuicInfoToValue() const {
 256   base::DictionaryValue* dict = new base::DictionaryValue();
 257   dict->Set("sessions", quic_stream_factory_.QuicStreamFactoryInfoToValue());
 258   dict->SetBoolean("quic_enabled", params_.enable_quic);
 259   dict->SetBoolean("enable_quic_port_selection",
 260                    params_.enable_quic_port_selection);
 261   base::ListValue* connection_options = new base::ListValue;
 262   for (QuicTagVector::const_iterator it =
 263            params_.quic_connection_options.begin();
 264        it != params_.quic_connection_options.end(); ++it) {
 265     connection_options->AppendString("'" + QuicUtils::TagToString(*it) + "'");
 266   }
 267   dict->Set("connection_options", connection_options);
 268   dict->SetString("origin_to_force_quic_on",
 269                   params_.origin_to_force_quic_on.ToString());
 270   dict->SetDouble("alternate_protocol_probability_threshold",
 271                   params_.alternate_protocol_probability_threshold);
 272   return dict;
 273 }
 274
 275 void HttpNetworkSession::CloseAllConnections() {
 276   normal_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
 277   websocket_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
 278   spdy_session_pool_.CloseCurrentSessions(ERR_ABORTED);
 279   quic_stream_factory_.CloseAllSessions(ERR_ABORTED);
 280 }
 281
 282 void HttpNetworkSession::CloseIdleConnections() {
 283   normal_socket_pool_manager_->CloseIdleSockets();
 284   websocket_socket_pool_manager_->CloseIdleSockets();
 285   spdy_session_pool_.CloseCurrentIdleSessions();
 286 }
 287
 288 bool HttpNetworkSession::IsProtocolEnabled(AlternateProtocol protocol) const {
 289   DCHECK(IsAlternateProtocolValid(protocol));
 290   return enabled_protocols_[
 291       protocol - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION];
 292 }
 293
 294 void HttpNetworkSession::GetNextProtos(NextProtoVector* next_protos) const {
 295   if (HttpStreamFactory::spdy_enabled()) {
 296     *next_protos = next_protos_;
 297   } else {
 298     next_protos->clear();
 299   }
 300 }
 301
 302 bool HttpNetworkSession::HasSpdyExclusion(
 303     HostPortPair host_port_pair) const {
 304   return params_.forced_spdy_exclusions.find(host_port_pair) !=
 305       params_.forced_spdy_exclusions.end();
 306 }
 307
 308 ClientSocketPoolManager* HttpNetworkSession::GetSocketPoolManager(
 309     SocketPoolType pool_type) {
 310   switch (pool_type) {
 311     case NORMAL_SOCKET_POOL:
 312       return normal_socket_pool_manager_.get();
 313     case WEBSOCKET_SOCKET_POOL:
 314       return websocket_socket_pool_manager_.get();
 315     default:
 316       NOTREACHED();
 317       break;
 318   }
 319   return NULL;
 320 }
 321
 322 }  //  namespace net