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/spdy_session_pool.h"
  32
  33 namespace net {
  34
  35 namespace {
  36
  37 ClientSocketPoolManager* CreateSocketPoolManager(
  38     HttpNetworkSession::SocketPoolType pool_type,
  39     const HttpNetworkSession::Params& params) {
  40   // TODO(yutak): Differentiate WebSocket pool manager and allow more
  41   // simultaneous connections for WebSockets.
  42   return new ClientSocketPoolManagerImpl(
  43       params.net_log,
  44       params.client_socket_factory ? params.client_socket_factory
  45                                    : ClientSocketFactory::GetDefaultFactory(),
  46       params.host_resolver, params.cert_verifier, params.channel_id_service,
  47       params.transport_security_state, params.cert_transparency_verifier,
  48       params.cert_policy_enforcer, params.ssl_session_cache_shard,
  49       params.ssl_config_service, pool_type);
  50 }
  51
  52 }  // unnamed namespace
  53
  54 // The maximum receive window sizes for HTTP/2 sessions and streams.
  55 const int32 kSpdySessionMaxRecvWindowSize = 10 * 1024 * 1024;  // 10 MB
  56 const int32 kSpdyStreamMaxRecvWindowSize = 10 * 1024 * 1024;   // 10 MB
  57
  58 HttpNetworkSession::Params::Params()
  59     : client_socket_factory(NULL),
  60       host_resolver(NULL),
  61       cert_verifier(NULL),
  62       cert_policy_enforcer(NULL),
  63       channel_id_service(NULL),
  64       transport_security_state(NULL),
  65       cert_transparency_verifier(NULL),
  66       proxy_service(NULL),
  67       ssl_config_service(NULL),
  68       http_auth_handler_factory(NULL),
  69       network_delegate(NULL),
  70       net_log(NULL),
  71       host_mapping_rules(NULL),
  72       ignore_certificate_errors(false),
  73       use_stale_while_revalidate(false),
  74       testing_fixed_http_port(0),
  75       testing_fixed_https_port(0),
  76       enable_tcp_fast_open_for_ssl(false),
  77       enable_spdy_compression(true),
  78       enable_spdy_ping_based_connection_checking(true),
  79       spdy_default_protocol(kProtoUnknown),
  80       spdy_session_max_recv_window_size(kSpdySessionMaxRecvWindowSize),
  81       spdy_stream_max_recv_window_size(kSpdyStreamMaxRecvWindowSize),
  82       spdy_initial_max_concurrent_streams(0),
  83       spdy_max_concurrent_streams_limit(0),
  84       time_func(&base::TimeTicks::Now),
  85       use_alternate_protocols(false),
  86       alternate_protocol_probability_threshold(1),
  87       enable_quic(false),
  88       enable_quic_for_proxies(false),
  89       enable_quic_port_selection(true),
  90       quic_always_require_handshake_confirmation(false),
  91       quic_disable_connection_pooling(false),
  92       quic_load_server_info_timeout_srtt_multiplier(0.25f),
  93       quic_enable_connection_racing(false),
  94       quic_enable_non_blocking_io(false),
  95       quic_disable_disk_cache(false),
  96       quic_max_number_of_lossy_connections(0),
  97       quic_packet_loss_threshold(1.0f),
  98       quic_socket_receive_buffer_size(kDefaultSocketReceiveBuffer),
  99       quic_clock(NULL),
 100       quic_random(NULL),
 101       quic_max_packet_length(kDefaultMaxPacketSize),
 102       enable_user_alternate_protocol_ports(false),
 103       quic_crypto_client_stream_factory(NULL),
 104       proxy_delegate(NULL) {
 105   quic_supported_versions.push_back(QUIC_VERSION_25);
 106 }
 107
 108 HttpNetworkSession::Params::~Params() {}
 109
 110 // TODO(mbelshe): Move the socket factories into HttpStreamFactory.
 111 HttpNetworkSession::HttpNetworkSession(const Params& params)
 112     : net_log_(params.net_log),
 113       network_delegate_(params.network_delegate),
 114       http_server_properties_(params.http_server_properties),
 115       cert_verifier_(params.cert_verifier),
 116       http_auth_handler_factory_(params.http_auth_handler_factory),
 117       proxy_service_(params.proxy_service),
 118       ssl_config_service_(params.ssl_config_service),
 119       normal_socket_pool_manager_(
 120           CreateSocketPoolManager(NORMAL_SOCKET_POOL, params)),
 121       websocket_socket_pool_manager_(
 122           CreateSocketPoolManager(WEBSOCKET_SOCKET_POOL, params)),
 123       quic_stream_factory_(
 124           params.host_resolver,
 125           params.client_socket_factory
 126               ? params.client_socket_factory
 127               : ClientSocketFactory::GetDefaultFactory(),
 128           params.http_server_properties,
 129           params.cert_verifier,
 130           params.channel_id_service,
 131           params.transport_security_state,
 132           params.quic_crypto_client_stream_factory,
 133           params.quic_random ? params.quic_random : QuicRandom::GetInstance(),
 134           params.quic_clock ? params.quic_clock : new QuicClock(),
 135           params.quic_max_packet_length,
 136           params.quic_user_agent_id,
 137           params.quic_supported_versions,
 138           params.enable_quic_port_selection,
 139           params.quic_always_require_handshake_confirmation,
 140           params.quic_disable_connection_pooling,
 141           params.quic_load_server_info_timeout_srtt_multiplier,
 142           params.quic_enable_connection_racing,
 143           params.quic_enable_non_blocking_io,
 144           params.quic_disable_disk_cache,
 145           params.quic_max_number_of_lossy_connections,
 146           params.quic_packet_loss_threshold,
 147           params.quic_socket_receive_buffer_size,
 148           params.quic_connection_options),
 149       spdy_session_pool_(params.host_resolver,
 150                          params.ssl_config_service,
 151                          params.http_server_properties,
 152                          params.transport_security_state,
 153                          params.enable_spdy_compression,
 154                          params.enable_spdy_ping_based_connection_checking,
 155                          params.spdy_default_protocol,
 156                          params.spdy_session_max_recv_window_size,
 157                          params.spdy_stream_max_recv_window_size,
 158                          params.spdy_initial_max_concurrent_streams,
 159                          params.spdy_max_concurrent_streams_limit,
 160                          params.time_func,
 161                          params.trusted_spdy_proxy),
 162       http_stream_factory_(new HttpStreamFactoryImpl(this, false)),
 163       http_stream_factory_for_websocket_(new HttpStreamFactoryImpl(this, true)),
 164       params_(params) {
 165   DCHECK(proxy_service_);
 166   DCHECK(ssl_config_service_.get());
 167   CHECK(http_server_properties_);
 168
 169   for (int i = ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION;
 170        i <= ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION; ++i) {
 171     enabled_protocols_[i - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] = false;
 172   }
 173
 174   // TODO(rtenneti): bug 116575 - consider combining the NextProto and
 175   // AlternateProtocol.
 176   for (std::vector<NextProto>::const_iterator it = params_.next_protos.begin();
 177        it != params_.next_protos.end(); ++it) {
 178     NextProto proto = *it;
 179
 180     // Add the protocol to the TLS next protocol list, except for QUIC
 181     // since it uses UDP.
 182     if (proto != kProtoQUIC1SPDY3) {
 183       next_protos_.push_back(proto);
 184     }
 185
 186     // Enable the corresponding alternate protocol, except for HTTP
 187     // which has not corresponding alternative.
 188     if (proto != kProtoHTTP11) {
 189       AlternateProtocol alternate = AlternateProtocolFromNextProto(proto);
 190       if (!IsAlternateProtocolValid(alternate)) {
 191         NOTREACHED() << "Invalid next proto: " << proto;
 192         continue;
 193       }
 194       enabled_protocols_[alternate - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] =
 195           true;
 196     }
 197   }
 198
 199   http_server_properties_->SetAlternateProtocolProbabilityThreshold(
 200       params.alternate_protocol_probability_threshold);
 201 }
 202
 203 HttpNetworkSession::~HttpNetworkSession() {
 204   STLDeleteElements(&response_drainers_);
 205   spdy_session_pool_.CloseAllSessions();
 206 }
 207
 208 void HttpNetworkSession::AddResponseDrainer(HttpResponseBodyDrainer* drainer) {
 209   DCHECK(!ContainsKey(response_drainers_, drainer));
 210   response_drainers_.insert(drainer);
 211 }
 212
 213 void HttpNetworkSession::RemoveResponseDrainer(
 214     HttpResponseBodyDrainer* drainer) {
 215   DCHECK(ContainsKey(response_drainers_, drainer));
 216   response_drainers_.erase(drainer);
 217 }
 218
 219 TransportClientSocketPool* HttpNetworkSession::GetTransportSocketPool(
 220     SocketPoolType pool_type) {
 221   return GetSocketPoolManager(pool_type)->GetTransportSocketPool();
 222 }
 223
 224 SSLClientSocketPool* HttpNetworkSession::GetSSLSocketPool(
 225     SocketPoolType pool_type) {
 226   return GetSocketPoolManager(pool_type)->GetSSLSocketPool();
 227 }
 228
 229 SOCKSClientSocketPool* HttpNetworkSession::GetSocketPoolForSOCKSProxy(
 230     SocketPoolType pool_type,
 231     const HostPortPair& socks_proxy) {
 232   return GetSocketPoolManager(pool_type)->GetSocketPoolForSOCKSProxy(
 233       socks_proxy);
 234 }
 235
 236 HttpProxyClientSocketPool* HttpNetworkSession::GetSocketPoolForHTTPProxy(
 237     SocketPoolType pool_type,
 238     const HostPortPair& http_proxy) {
 239   return GetSocketPoolManager(pool_type)->GetSocketPoolForHTTPProxy(http_proxy);
 240 }
 241
 242 SSLClientSocketPool* HttpNetworkSession::GetSocketPoolForSSLWithProxy(
 243     SocketPoolType pool_type,
 244     const HostPortPair& proxy_server) {
 245   return GetSocketPoolManager(pool_type)->GetSocketPoolForSSLWithProxy(
 246       proxy_server);
 247 }
 248
 249 base::Value* HttpNetworkSession::SocketPoolInfoToValue() const {
 250   // TODO(yutak): Should merge values from normal pools and WebSocket pools.
 251   return normal_socket_pool_manager_->SocketPoolInfoToValue();
 252 }
 253
 254 base::Value* HttpNetworkSession::SpdySessionPoolInfoToValue() const {
 255   return spdy_session_pool_.SpdySessionPoolInfoToValue();
 256 }
 257
 258 base::Value* HttpNetworkSession::QuicInfoToValue() const {
 259   base::DictionaryValue* dict = new base::DictionaryValue();
 260   dict->Set("sessions", quic_stream_factory_.QuicStreamFactoryInfoToValue());
 261   dict->SetBoolean("quic_enabled", params_.enable_quic);
 262   dict->SetBoolean("quic_enabled_for_proxies", params_.enable_quic_for_proxies);
 263   dict->SetBoolean("enable_quic_port_selection",
 264                    params_.enable_quic_port_selection);
 265   base::ListValue* connection_options = new base::ListValue;
 266   for (QuicTagVector::const_iterator it =
 267            params_.quic_connection_options.begin();
 268        it != params_.quic_connection_options.end(); ++it) {
 269     connection_options->AppendString("'" + QuicUtils::TagToString(*it) + "'");
 270   }
 271   dict->Set("connection_options", connection_options);
 272   dict->SetString("origin_to_force_quic_on",
 273                   params_.origin_to_force_quic_on.ToString());
 274   dict->SetDouble("alternate_protocol_probability_threshold",
 275                   params_.alternate_protocol_probability_threshold);
 276   return dict;
 277 }
 278
 279 void HttpNetworkSession::CloseAllConnections() {
 280   normal_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
 281   websocket_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
 282   spdy_session_pool_.CloseCurrentSessions(ERR_ABORTED);
 283   quic_stream_factory_.CloseAllSessions(ERR_ABORTED);
 284 }
 285
 286 void HttpNetworkSession::CloseIdleConnections() {
 287   normal_socket_pool_manager_->CloseIdleSockets();
 288   websocket_socket_pool_manager_->CloseIdleSockets();
 289   spdy_session_pool_.CloseCurrentIdleSessions();
 290 }
 291
 292 bool HttpNetworkSession::IsProtocolEnabled(AlternateProtocol protocol) const {
 293   DCHECK(IsAlternateProtocolValid(protocol));
 294   return enabled_protocols_[
 295       protocol - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION];
 296 }
 297
 298 void HttpNetworkSession::GetNextProtos(NextProtoVector* next_protos) const {
 299   if (HttpStreamFactory::spdy_enabled()) {
 300     *next_protos = next_protos_;
 301   } else {
 302     next_protos->clear();
 303   }
 304 }
 305
 306 bool HttpNetworkSession::HasSpdyExclusion(
 307     HostPortPair host_port_pair) const {
 308   return params_.forced_spdy_exclusions.find(host_port_pair) !=
 309       params_.forced_spdy_exclusions.end();
 310 }
 311
 312 ClientSocketPoolManager* HttpNetworkSession::GetSocketPoolManager(
 313     SocketPoolType pool_type) {
 314   switch (pool_type) {
 315     case NORMAL_SOCKET_POOL:
 316       return normal_socket_pool_manager_.get();
 317     case WEBSOCKET_SOCKET_POOL:
 318       return websocket_socket_pool_manager_.get();
 319     default:
 320       NOTREACHED();
 321       break;
 322   }
 323   return NULL;
 324 }
 325
 326 }  // namespace net