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      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_stream_factory.h"
     24 #include "net/socket/client_socket_factory.h"
     25 #include "net/socket/client_socket_pool_manager_impl.h"
     26 #include "net/socket/next_proto.h"
     27 #include "net/spdy/spdy_session_pool.h"
     28 
     29 namespace {
     30 
     31 net::ClientSocketPoolManager* CreateSocketPoolManager(
     32     net::HttpNetworkSession::SocketPoolType pool_type,
     33     const net::HttpNetworkSession::Params& params) {
     34   // TODO(yutak): Differentiate WebSocket pool manager and allow more
     35   // simultaneous connections for WebSockets.
     36   return new net::ClientSocketPoolManagerImpl(
     37       params.net_log,
     38       params.client_socket_factory ?
     39       params.client_socket_factory :
     40       net::ClientSocketFactory::GetDefaultFactory(),
     41       params.host_resolver,
     42       params.cert_verifier,
     43       params.server_bound_cert_service,
     44       params.transport_security_state,
     45       params.cert_transparency_verifier,
     46       params.ssl_session_cache_shard,
     47       params.proxy_service,
     48       params.ssl_config_service,
     49       pool_type);
     50 }
     51 
     52 }  // unnamed namespace
     53 
     54 namespace net {
     55 
     56 HttpNetworkSession::Params::Params()
     57     : client_socket_factory(NULL),
     58       host_resolver(NULL),
     59       cert_verifier(NULL),
     60       server_bound_cert_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       force_http_pipelining(false),
     70       ignore_certificate_errors(false),
     71       http_pipelining_enabled(false),
     72       testing_fixed_http_port(0),
     73       testing_fixed_https_port(0),
     74       force_spdy_single_domain(false),
     75       enable_spdy_ip_pooling(true),
     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       enable_quic(false),
     84       enable_quic_https(false),
     85       quic_clock(NULL),
     86       quic_random(NULL),
     87       quic_max_packet_length(kDefaultMaxPacketSize),
     88       enable_user_alternate_protocol_ports(false),
     89       quic_crypto_client_stream_factory(NULL) {
     90 }
     91 
     92 HttpNetworkSession::Params::~Params() {}
     93 
     94 // TODO(mbelshe): Move the socket factories into HttpStreamFactory.
     95 HttpNetworkSession::HttpNetworkSession(const Params& params)
     96     : net_log_(params.net_log),
     97       network_delegate_(params.network_delegate),
     98       http_server_properties_(params.http_server_properties),
     99       cert_verifier_(params.cert_verifier),
    100       http_auth_handler_factory_(params.http_auth_handler_factory),
    101       force_http_pipelining_(params.force_http_pipelining),
    102       proxy_service_(params.proxy_service),
    103       ssl_config_service_(params.ssl_config_service),
    104       normal_socket_pool_manager_(
    105           CreateSocketPoolManager(NORMAL_SOCKET_POOL, params)),
    106       websocket_socket_pool_manager_(
    107           CreateSocketPoolManager(WEBSOCKET_SOCKET_POOL, params)),
    108       quic_stream_factory_(params.host_resolver,
    109                            params.client_socket_factory ?
    110                                params.client_socket_factory :
    111                                net::ClientSocketFactory::GetDefaultFactory(),
    112                            params.http_server_properties,
    113                            params.quic_crypto_client_stream_factory,
    114                            params.quic_random ? params.quic_random :
    115                                QuicRandom::GetInstance(),
    116                            params.quic_clock ? params. quic_clock :
    117                                new QuicClock(),
    118                            params.quic_max_packet_length),
    119       spdy_session_pool_(params.host_resolver,
    120                          params.ssl_config_service,
    121                          params.http_server_properties,
    122                          params.force_spdy_single_domain,
    123                          params.enable_spdy_ip_pooling,
    124                          params.enable_spdy_compression,
    125                          params.enable_spdy_ping_based_connection_checking,
    126                          params.spdy_default_protocol,
    127                          params.spdy_stream_initial_recv_window_size,
    128                          params.spdy_initial_max_concurrent_streams,
    129                          params.spdy_max_concurrent_streams_limit,
    130                          params.time_func,
    131                          params.trusted_spdy_proxy),
    132       http_stream_factory_(new HttpStreamFactoryImpl(this, false)),
    133       http_stream_factory_for_websocket_(
    134           new HttpStreamFactoryImpl(this, true)),
    135       params_(params) {
    136   DCHECK(proxy_service_);
    137   DCHECK(ssl_config_service_.get());
    138   CHECK(http_server_properties_);
    139 }
    140 
    141 HttpNetworkSession::~HttpNetworkSession() {
    142   STLDeleteElements(&response_drainers_);
    143   spdy_session_pool_.CloseAllSessions();
    144 }
    145 
    146 void HttpNetworkSession::AddResponseDrainer(HttpResponseBodyDrainer* drainer) {
    147   DCHECK(!ContainsKey(response_drainers_, drainer));
    148   response_drainers_.insert(drainer);
    149 }
    150 
    151 void HttpNetworkSession::RemoveResponseDrainer(
    152     HttpResponseBodyDrainer* drainer) {
    153   DCHECK(ContainsKey(response_drainers_, drainer));
    154   response_drainers_.erase(drainer);
    155 }
    156 
    157 TransportClientSocketPool* HttpNetworkSession::GetTransportSocketPool(
    158     SocketPoolType pool_type) {
    159   return GetSocketPoolManager(pool_type)->GetTransportSocketPool();
    160 }
    161 
    162 SSLClientSocketPool* HttpNetworkSession::GetSSLSocketPool(
    163     SocketPoolType pool_type) {
    164   return GetSocketPoolManager(pool_type)->GetSSLSocketPool();
    165 }
    166 
    167 SOCKSClientSocketPool* HttpNetworkSession::GetSocketPoolForSOCKSProxy(
    168     SocketPoolType pool_type,
    169     const HostPortPair& socks_proxy) {
    170   return GetSocketPoolManager(pool_type)->GetSocketPoolForSOCKSProxy(
    171       socks_proxy);
    172 }
    173 
    174 HttpProxyClientSocketPool* HttpNetworkSession::GetSocketPoolForHTTPProxy(
    175     SocketPoolType pool_type,
    176     const HostPortPair& http_proxy) {
    177   return GetSocketPoolManager(pool_type)->GetSocketPoolForHTTPProxy(http_proxy);
    178 }
    179 
    180 SSLClientSocketPool* HttpNetworkSession::GetSocketPoolForSSLWithProxy(
    181     SocketPoolType pool_type,
    182     const HostPortPair& proxy_server) {
    183   return GetSocketPoolManager(pool_type)->GetSocketPoolForSSLWithProxy(
    184       proxy_server);
    185 }
    186 
    187 base::Value* HttpNetworkSession::SocketPoolInfoToValue() const {
    188   // TODO(yutak): Should merge values from normal pools and WebSocket pools.
    189   return normal_socket_pool_manager_->SocketPoolInfoToValue();
    190 }
    191 
    192 base::Value* HttpNetworkSession::SpdySessionPoolInfoToValue() const {
    193   return spdy_session_pool_.SpdySessionPoolInfoToValue();
    194 }
    195 
    196 base::Value* HttpNetworkSession::QuicInfoToValue() const {
    197   base::DictionaryValue* dict = new base::DictionaryValue();
    198   dict->Set("sessions", quic_stream_factory_.QuicStreamFactoryInfoToValue());
    199   dict->SetBoolean("quic_enabled", params_.enable_quic);
    200   dict->SetBoolean("quic_enabled_https", params_.enable_quic_https);
    201   dict->SetString("origin_to_force_quic_on",
    202                   params_.origin_to_force_quic_on.ToString());
    203   return dict;
    204 }
    205 
    206 void HttpNetworkSession::CloseAllConnections() {
    207   normal_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
    208   websocket_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
    209   spdy_session_pool_.CloseCurrentSessions(ERR_ABORTED);
    210   quic_stream_factory_.CloseAllSessions(ERR_ABORTED);
    211 }
    212 
    213 void HttpNetworkSession::CloseIdleConnections() {
    214   normal_socket_pool_manager_->CloseIdleSockets();
    215   websocket_socket_pool_manager_->CloseIdleSockets();
    216   spdy_session_pool_.CloseCurrentIdleSessions();
    217 }
    218 
    219 ClientSocketPoolManager* HttpNetworkSession::GetSocketPoolManager(
    220     SocketPoolType pool_type) {
    221   switch (pool_type) {
    222     case NORMAL_SOCKET_POOL:
    223       return normal_socket_pool_manager_.get();
    224     case WEBSOCKET_SOCKET_POOL:
    225       return websocket_socket_pool_manager_.get();
    226     default:
    227       NOTREACHED();
    228       break;
    229   }
    230   return NULL;
    231 }
    232 
    233 }  //  namespace net
    234