http_network_session.cc revision 116680a4aac90f2aa7413d9095a592090648e557 
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/hpack_huffman_aggregator.h"
28#include "net/spdy/spdy_session_pool.h"
29
30namespace {
31
32net::ClientSocketPoolManager* CreateSocketPoolManager(
33    net::HttpNetworkSession::SocketPoolType pool_type,
34    const net::HttpNetworkSession::Params& params) {
35  // TODO(yutak): Differentiate WebSocket pool manager and allow more
36  // simultaneous connections for WebSockets.
37  return new net::ClientSocketPoolManagerImpl(
38      params.net_log,
39      params.client_socket_factory ?
40      params.client_socket_factory :
41      net::ClientSocketFactory::GetDefaultFactory(),
42      params.host_resolver,
43      params.cert_verifier,
44      params.server_bound_cert_service,
45      params.transport_security_state,
46      params.cert_transparency_verifier,
47      params.ssl_session_cache_shard,
48      params.proxy_service,
49      params.ssl_config_service,
50      pool_type);
51}
52
53}  // unnamed namespace
54
55namespace net {
56
57HttpNetworkSession::Params::Params()
58    : client_socket_factory(NULL),
59      host_resolver(NULL),
60      cert_verifier(NULL),
61      server_bound_cert_service(NULL),
62      transport_security_state(NULL),
63      cert_transparency_verifier(NULL),
64      proxy_service(NULL),
65      ssl_config_service(NULL),
66      http_auth_handler_factory(NULL),
67      network_delegate(NULL),
68      net_log(NULL),
69      host_mapping_rules(NULL),
70      ignore_certificate_errors(false),
71      testing_fixed_http_port(0),
72      testing_fixed_https_port(0),
73      force_spdy_single_domain(false),
74      enable_spdy_compression(true),
75      enable_spdy_ping_based_connection_checking(true),
76      spdy_default_protocol(kProtoUnknown),
77      spdy_stream_initial_recv_window_size(0),
78      spdy_initial_max_concurrent_streams(0),
79      spdy_max_concurrent_streams_limit(0),
80      time_func(&base::TimeTicks::Now),
81      force_spdy_over_ssl(true),
82      force_spdy_always(false),
83      use_alternate_protocols(false),
84      alternate_protocol_probability_threshold(0),
85      enable_websocket_over_spdy(false),
86      enable_quic(false),
87      enable_quic_port_selection(true),
88      enable_quic_pacing(false),
89      enable_quic_time_based_loss_detection(false),
90      enable_quic_persist_server_info(false),
91      quic_clock(NULL),
92      quic_random(NULL),
93      quic_max_packet_length(kDefaultMaxPacketSize),
94      enable_user_alternate_protocol_ports(false),
95      quic_crypto_client_stream_factory(NULL) {
96  quic_supported_versions.push_back(QUIC_VERSION_19);
97}
98
99HttpNetworkSession::Params::~Params() {}
100
101// TODO(mbelshe): Move the socket factories into HttpStreamFactory.
102HttpNetworkSession::HttpNetworkSession(const Params& params)
103    : net_log_(params.net_log),
104      network_delegate_(params.network_delegate),
105      http_server_properties_(params.http_server_properties),
106      cert_verifier_(params.cert_verifier),
107      http_auth_handler_factory_(params.http_auth_handler_factory),
108      proxy_service_(params.proxy_service),
109      ssl_config_service_(params.ssl_config_service),
110      normal_socket_pool_manager_(
111          CreateSocketPoolManager(NORMAL_SOCKET_POOL, params)),
112      websocket_socket_pool_manager_(
113          CreateSocketPoolManager(WEBSOCKET_SOCKET_POOL, params)),
114      quic_stream_factory_(params.host_resolver,
115                           params.client_socket_factory ?
116                               params.client_socket_factory :
117                               net::ClientSocketFactory::GetDefaultFactory(),
118                           params.http_server_properties,
119                           params.cert_verifier,
120                           params.server_bound_cert_service,
121                           params.quic_crypto_client_stream_factory,
122                           params.quic_random ? params.quic_random :
123                               QuicRandom::GetInstance(),
124                           params.quic_clock ? params. quic_clock :
125                               new QuicClock(),
126                           params.quic_max_packet_length,
127                           params.quic_user_agent_id,
128                           params.quic_supported_versions,
129                           params.enable_quic_port_selection,
130                           params.enable_quic_pacing,
131                           params.enable_quic_time_based_loss_detection,
132                           params.quic_connection_options),
133      spdy_session_pool_(params.host_resolver,
134                         params.ssl_config_service,
135                         params.http_server_properties,
136                         params.force_spdy_single_domain,
137                         params.enable_spdy_compression,
138                         params.enable_spdy_ping_based_connection_checking,
139                         params.spdy_default_protocol,
140                         params.spdy_stream_initial_recv_window_size,
141                         params.spdy_initial_max_concurrent_streams,
142                         params.spdy_max_concurrent_streams_limit,
143                         params.time_func,
144                         params.trusted_spdy_proxy),
145      http_stream_factory_(new HttpStreamFactoryImpl(this, false)),
146      http_stream_factory_for_websocket_(
147          new HttpStreamFactoryImpl(this, true)),
148      params_(params) {
149  DCHECK(proxy_service_);
150  DCHECK(ssl_config_service_.get());
151  CHECK(http_server_properties_);
152
153  for (int i = ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION;
154       i <= ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION; ++i) {
155    enabled_protocols_[i - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] = false;
156  }
157
158  // TODO(rtenneti): bug 116575 - consider combining the NextProto and
159  // AlternateProtocol.
160  for (std::vector<NextProto>::const_iterator it = params_.next_protos.begin();
161       it != params_.next_protos.end(); ++it) {
162    NextProto proto = *it;
163
164    // Add the protocol to the TLS next protocol list, except for QUIC
165    // since it uses UDP.
166    if (proto != kProtoQUIC1SPDY3) {
167      next_protos_.push_back(SSLClientSocket::NextProtoToString(proto));
168    }
169
170    // Enable the corresponding alternate protocol, except for HTTP
171    // which has not corresponding alternative.
172    if (proto != kProtoHTTP11) {
173      AlternateProtocol alternate = AlternateProtocolFromNextProto(proto);
174      if (!IsAlternateProtocolValid(alternate)) {
175        NOTREACHED() << "Invalid next proto: " << proto;
176        continue;
177      }
178      enabled_protocols_[alternate - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] =
179          true;
180    }
181  }
182
183  if (HpackHuffmanAggregator::UseAggregator()) {
184    huffman_aggregator_.reset(new HpackHuffmanAggregator());
185  }
186
187  http_server_properties_->SetAlternateProtocolProbabilityThreshold(
188      params.alternate_protocol_probability_threshold);
189}
190
191HttpNetworkSession::~HttpNetworkSession() {
192  STLDeleteElements(&response_drainers_);
193  spdy_session_pool_.CloseAllSessions();
194}
195
196void HttpNetworkSession::AddResponseDrainer(HttpResponseBodyDrainer* drainer) {
197  DCHECK(!ContainsKey(response_drainers_, drainer));
198  response_drainers_.insert(drainer);
199}
200
201void HttpNetworkSession::RemoveResponseDrainer(
202    HttpResponseBodyDrainer* drainer) {
203  DCHECK(ContainsKey(response_drainers_, drainer));
204  response_drainers_.erase(drainer);
205}
206
207TransportClientSocketPool* HttpNetworkSession::GetTransportSocketPool(
208    SocketPoolType pool_type) {
209  return GetSocketPoolManager(pool_type)->GetTransportSocketPool();
210}
211
212SSLClientSocketPool* HttpNetworkSession::GetSSLSocketPool(
213    SocketPoolType pool_type) {
214  return GetSocketPoolManager(pool_type)->GetSSLSocketPool();
215}
216
217SOCKSClientSocketPool* HttpNetworkSession::GetSocketPoolForSOCKSProxy(
218    SocketPoolType pool_type,
219    const HostPortPair& socks_proxy) {
220  return GetSocketPoolManager(pool_type)->GetSocketPoolForSOCKSProxy(
221      socks_proxy);
222}
223
224HttpProxyClientSocketPool* HttpNetworkSession::GetSocketPoolForHTTPProxy(
225    SocketPoolType pool_type,
226    const HostPortPair& http_proxy) {
227  return GetSocketPoolManager(pool_type)->GetSocketPoolForHTTPProxy(http_proxy);
228}
229
230SSLClientSocketPool* HttpNetworkSession::GetSocketPoolForSSLWithProxy(
231    SocketPoolType pool_type,
232    const HostPortPair& proxy_server) {
233  return GetSocketPoolManager(pool_type)->GetSocketPoolForSSLWithProxy(
234      proxy_server);
235}
236
237base::Value* HttpNetworkSession::SocketPoolInfoToValue() const {
238  // TODO(yutak): Should merge values from normal pools and WebSocket pools.
239  return normal_socket_pool_manager_->SocketPoolInfoToValue();
240}
241
242base::Value* HttpNetworkSession::SpdySessionPoolInfoToValue() const {
243  return spdy_session_pool_.SpdySessionPoolInfoToValue();
244}
245
246base::Value* HttpNetworkSession::QuicInfoToValue() const {
247  base::DictionaryValue* dict = new base::DictionaryValue();
248  dict->Set("sessions", quic_stream_factory_.QuicStreamFactoryInfoToValue());
249  dict->SetBoolean("quic_enabled", params_.enable_quic);
250  dict->SetBoolean("enable_quic_port_selection",
251                   params_.enable_quic_port_selection);
252  dict->SetBoolean("enable_quic_pacing",
253                   params_.enable_quic_pacing);
254  dict->SetBoolean("enable_quic_time_based_loss_detection",
255                   params_.enable_quic_time_based_loss_detection);
256  dict->SetBoolean("enable_quic_persist_server_info",
257                   params_.enable_quic_persist_server_info);
258  dict->SetString("origin_to_force_quic_on",
259                  params_.origin_to_force_quic_on.ToString());
260  return dict;
261}
262
263void HttpNetworkSession::CloseAllConnections() {
264  normal_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
265  websocket_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
266  spdy_session_pool_.CloseCurrentSessions(ERR_ABORTED);
267  quic_stream_factory_.CloseAllSessions(ERR_ABORTED);
268}
269
270void HttpNetworkSession::CloseIdleConnections() {
271  normal_socket_pool_manager_->CloseIdleSockets();
272  websocket_socket_pool_manager_->CloseIdleSockets();
273  spdy_session_pool_.CloseCurrentIdleSessions();
274}
275
276bool HttpNetworkSession::IsProtocolEnabled(AlternateProtocol protocol) const {
277  DCHECK(IsAlternateProtocolValid(protocol));
278  return enabled_protocols_[
279      protocol - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION];
280}
281
282void HttpNetworkSession::GetNextProtos(
283    std::vector<std::string>* next_protos) const {
284  if (HttpStreamFactory::spdy_enabled()) {
285    *next_protos = next_protos_;
286  } else {
287    next_protos->clear();
288  }
289}
290
291bool HttpNetworkSession::HasSpdyExclusion(
292    HostPortPair host_port_pair) const {
293  return params_.forced_spdy_exclusions.find(host_port_pair) !=
294      params_.forced_spdy_exclusions.end();
295}
296
297ClientSocketPoolManager* HttpNetworkSession::GetSocketPoolManager(
298    SocketPoolType pool_type) {
299  switch (pool_type) {
300    case NORMAL_SOCKET_POOL:
301      return normal_socket_pool_manager_.get();
302    case WEBSOCKET_SOCKET_POOL:
303      return websocket_socket_pool_manager_.get();
304    default:
305      NOTREACHED();
306      break;
307  }
308  return NULL;
309}
310
311}  //  namespace net
312