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/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       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_port_selection(true),
  94       quic_always_require_handshake_confirmation(false),
  95       quic_disable_connection_pooling(false),
  96       quic_load_server_info_timeout_ms(0),
  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.quic_always_require_handshake_confirmation,
 138           params.quic_disable_connection_pooling,
 139           params.quic_load_server_info_timeout_ms,
 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->SetString("origin_to_force_quic_on",
 268                   params_.origin_to_force_quic_on.ToString());
 269   dict->SetDouble("alternate_protocol_probability_threshold",
 270                   params_.alternate_protocol_probability_threshold);
 271   return dict;
 272 }
 273
 274 void HttpNetworkSession::CloseAllConnections() {
 275   normal_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
 276   websocket_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
 277   spdy_session_pool_.CloseCurrentSessions(ERR_ABORTED);
 278   quic_stream_factory_.CloseAllSessions(ERR_ABORTED);
 279 }
 280
 281 void HttpNetworkSession::CloseIdleConnections() {
 282   normal_socket_pool_manager_->CloseIdleSockets();
 283   websocket_socket_pool_manager_->CloseIdleSockets();
 284   spdy_session_pool_.CloseCurrentIdleSessions();
 285 }
 286
 287 bool HttpNetworkSession::IsProtocolEnabled(AlternateProtocol protocol) const {
 288   DCHECK(IsAlternateProtocolValid(protocol));
 289   return enabled_protocols_[
 290       protocol - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION];
 291 }
 292
 293 void HttpNetworkSession::GetNextProtos(
 294     std::vector<std::string>* 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