http_network_session.cc revision 6e8cce623b6e4fe0c9e4af605d675dd9d0338c38 
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/socket/client_socket_factory.h"
26#include "net/socket/client_socket_pool_manager_impl.h"
27#include "net/socket/next_proto.h"
28#include "net/spdy/hpack_huffman_aggregator.h"
29#include "net/spdy/spdy_session_pool.h"
30
31namespace {
32
33net::ClientSocketPoolManager* CreateSocketPoolManager(
34    net::HttpNetworkSession::SocketPoolType pool_type,
35    const net::HttpNetworkSession::Params& params) {
36  // TODO(yutak): Differentiate WebSocket pool manager and allow more
37  // simultaneous connections for WebSockets.
38  return new net::ClientSocketPoolManagerImpl(
39      params.net_log,
40      params.client_socket_factory
41          ? params.client_socket_factory
42          : net::ClientSocketFactory::GetDefaultFactory(),
43      params.host_resolver,
44      params.cert_verifier,
45      params.channel_id_service,
46      params.transport_security_state,
47      params.cert_transparency_verifier,
48      params.ssl_session_cache_shard,
49      params.proxy_service,
50      params.ssl_config_service,
51      params.enable_ssl_connect_job_waiting,
52      pool_type);
53}
54
55}  // unnamed namespace
56
57namespace net {
58
59HttpNetworkSession::Params::Params()
60    : client_socket_factory(NULL),
61      host_resolver(NULL),
62      cert_verifier(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      enable_ssl_connect_job_waiting(false),
73      ignore_certificate_errors(false),
74      testing_fixed_http_port(0),
75      testing_fixed_https_port(0),
76      force_spdy_single_domain(false),
77      enable_spdy_compression(true),
78      enable_spdy_ping_based_connection_checking(true),
79      spdy_default_protocol(kProtoUnknown),
80      spdy_stream_initial_recv_window_size(0),
81      spdy_initial_max_concurrent_streams(0),
82      spdy_max_concurrent_streams_limit(0),
83      time_func(&base::TimeTicks::Now),
84      force_spdy_over_ssl(true),
85      force_spdy_always(false),
86      use_alternate_protocols(false),
87      alternate_protocol_probability_threshold(1),
88      enable_websocket_over_spdy(false),
89      enable_quic(false),
90      enable_quic_port_selection(true),
91      enable_quic_time_based_loss_detection(false),
92      quic_clock(NULL),
93      quic_random(NULL),
94      quic_max_packet_length(kDefaultMaxPacketSize),
95      enable_user_alternate_protocol_ports(false),
96      quic_crypto_client_stream_factory(NULL) {
97  quic_supported_versions.push_back(QUIC_VERSION_21);
98}
99
100HttpNetworkSession::Params::~Params() {}
101
102// TODO(mbelshe): Move the socket factories into HttpStreamFactory.
103HttpNetworkSession::HttpNetworkSession(const Params& params)
104    : net_log_(params.net_log),
105      network_delegate_(params.network_delegate),
106      http_server_properties_(params.http_server_properties),
107      cert_verifier_(params.cert_verifier),
108      http_auth_handler_factory_(params.http_auth_handler_factory),
109      proxy_service_(params.proxy_service),
110      ssl_config_service_(params.ssl_config_service),
111      normal_socket_pool_manager_(
112          CreateSocketPoolManager(NORMAL_SOCKET_POOL, params)),
113      websocket_socket_pool_manager_(
114          CreateSocketPoolManager(WEBSOCKET_SOCKET_POOL, params)),
115      quic_stream_factory_(params.host_resolver,
116                           params.client_socket_factory ?
117                               params.client_socket_factory :
118                               net::ClientSocketFactory::GetDefaultFactory(),
119                           params.http_server_properties,
120                           params.cert_verifier,
121                           params.channel_id_service,
122                           params.transport_security_state,
123                           params.quic_crypto_client_stream_factory,
124                           params.quic_random ? params.quic_random :
125                               QuicRandom::GetInstance(),
126                           params.quic_clock ? params. quic_clock :
127                               new QuicClock(),
128                           params.quic_max_packet_length,
129                           params.quic_user_agent_id,
130                           params.quic_supported_versions,
131                           params.enable_quic_port_selection,
132                           params.enable_quic_time_based_loss_detection,
133                           params.quic_connection_options),
134      spdy_session_pool_(params.host_resolver,
135                         params.ssl_config_service,
136                         params.http_server_properties,
137                         params.force_spdy_single_domain,
138                         params.enable_spdy_compression,
139                         params.enable_spdy_ping_based_connection_checking,
140                         params.spdy_default_protocol,
141                         params.spdy_stream_initial_recv_window_size,
142                         params.spdy_initial_max_concurrent_streams,
143                         params.spdy_max_concurrent_streams_limit,
144                         params.time_func,
145                         params.trusted_spdy_proxy),
146      http_stream_factory_(new HttpStreamFactoryImpl(this, false)),
147      http_stream_factory_for_websocket_(
148          new HttpStreamFactoryImpl(this, true)),
149      params_(params) {
150  DCHECK(proxy_service_);
151  DCHECK(ssl_config_service_.get());
152  CHECK(http_server_properties_);
153
154  for (int i = ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION;
155       i <= ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION; ++i) {
156    enabled_protocols_[i - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] = false;
157  }
158
159  // TODO(rtenneti): bug 116575 - consider combining the NextProto and
160  // AlternateProtocol.
161  for (std::vector<NextProto>::const_iterator it = params_.next_protos.begin();
162       it != params_.next_protos.end(); ++it) {
163    NextProto proto = *it;
164
165    // Add the protocol to the TLS next protocol list, except for QUIC
166    // since it uses UDP.
167    if (proto != kProtoQUIC1SPDY3) {
168      next_protos_.push_back(SSLClientSocket::NextProtoToString(proto));
169    }
170
171    // Enable the corresponding alternate protocol, except for HTTP
172    // which has not corresponding alternative.
173    if (proto != kProtoHTTP11) {
174      AlternateProtocol alternate = AlternateProtocolFromNextProto(proto);
175      if (!IsAlternateProtocolValid(alternate)) {
176        NOTREACHED() << "Invalid next proto: " << proto;
177        continue;
178      }
179      enabled_protocols_[alternate - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION] =
180          true;
181    }
182  }
183
184  if (HpackHuffmanAggregator::UseAggregator()) {
185    huffman_aggregator_.reset(new HpackHuffmanAggregator());
186  }
187
188  http_server_properties_->SetAlternateProtocolProbabilityThreshold(
189      params.alternate_protocol_probability_threshold);
190}
191
192HttpNetworkSession::~HttpNetworkSession() {
193  STLDeleteElements(&response_drainers_);
194  spdy_session_pool_.CloseAllSessions();
195}
196
197void HttpNetworkSession::AddResponseDrainer(HttpResponseBodyDrainer* drainer) {
198  DCHECK(!ContainsKey(response_drainers_, drainer));
199  response_drainers_.insert(drainer);
200}
201
202void HttpNetworkSession::RemoveResponseDrainer(
203    HttpResponseBodyDrainer* drainer) {
204  DCHECK(ContainsKey(response_drainers_, drainer));
205  response_drainers_.erase(drainer);
206}
207
208TransportClientSocketPool* HttpNetworkSession::GetTransportSocketPool(
209    SocketPoolType pool_type) {
210  return GetSocketPoolManager(pool_type)->GetTransportSocketPool();
211}
212
213SSLClientSocketPool* HttpNetworkSession::GetSSLSocketPool(
214    SocketPoolType pool_type) {
215  return GetSocketPoolManager(pool_type)->GetSSLSocketPool();
216}
217
218SOCKSClientSocketPool* HttpNetworkSession::GetSocketPoolForSOCKSProxy(
219    SocketPoolType pool_type,
220    const HostPortPair& socks_proxy) {
221  return GetSocketPoolManager(pool_type)->GetSocketPoolForSOCKSProxy(
222      socks_proxy);
223}
224
225HttpProxyClientSocketPool* HttpNetworkSession::GetSocketPoolForHTTPProxy(
226    SocketPoolType pool_type,
227    const HostPortPair& http_proxy) {
228  return GetSocketPoolManager(pool_type)->GetSocketPoolForHTTPProxy(http_proxy);
229}
230
231SSLClientSocketPool* HttpNetworkSession::GetSocketPoolForSSLWithProxy(
232    SocketPoolType pool_type,
233    const HostPortPair& proxy_server) {
234  return GetSocketPoolManager(pool_type)->GetSocketPoolForSSLWithProxy(
235      proxy_server);
236}
237
238base::Value* HttpNetworkSession::SocketPoolInfoToValue() const {
239  // TODO(yutak): Should merge values from normal pools and WebSocket pools.
240  return normal_socket_pool_manager_->SocketPoolInfoToValue();
241}
242
243base::Value* HttpNetworkSession::SpdySessionPoolInfoToValue() const {
244  return spdy_session_pool_.SpdySessionPoolInfoToValue();
245}
246
247base::Value* HttpNetworkSession::QuicInfoToValue() const {
248  base::DictionaryValue* dict = new base::DictionaryValue();
249  dict->Set("sessions", quic_stream_factory_.QuicStreamFactoryInfoToValue());
250  dict->SetBoolean("quic_enabled", params_.enable_quic);
251  dict->SetBoolean("enable_quic_port_selection",
252                   params_.enable_quic_port_selection);
253  dict->SetBoolean("enable_quic_pacing",
254                   ContainsQuicTag(params_.quic_connection_options, kPACE));
255  dict->SetBoolean("enable_quic_time_based_loss_detection",
256                   params_.enable_quic_time_based_loss_detection);
257  dict->SetString("origin_to_force_quic_on",
258                  params_.origin_to_force_quic_on.ToString());
259  return dict;
260}
261
262void HttpNetworkSession::CloseAllConnections() {
263  normal_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
264  websocket_socket_pool_manager_->FlushSocketPoolsWithError(ERR_ABORTED);
265  spdy_session_pool_.CloseCurrentSessions(ERR_ABORTED);
266  quic_stream_factory_.CloseAllSessions(ERR_ABORTED);
267}
268
269void HttpNetworkSession::CloseIdleConnections() {
270  normal_socket_pool_manager_->CloseIdleSockets();
271  websocket_socket_pool_manager_->CloseIdleSockets();
272  spdy_session_pool_.CloseCurrentIdleSessions();
273}
274
275bool HttpNetworkSession::IsProtocolEnabled(AlternateProtocol protocol) const {
276  DCHECK(IsAlternateProtocolValid(protocol));
277  return enabled_protocols_[
278      protocol - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION];
279}
280
281void HttpNetworkSession::GetNextProtos(
282    std::vector<std::string>* next_protos) const {
283  if (HttpStreamFactory::spdy_enabled()) {
284    *next_protos = next_protos_;
285  } else {
286    next_protos->clear();
287  }
288}
289
290bool HttpNetworkSession::HasSpdyExclusion(
291    HostPortPair host_port_pair) const {
292  return params_.forced_spdy_exclusions.find(host_port_pair) !=
293      params_.forced_spdy_exclusions.end();
294}
295
296ClientSocketPoolManager* HttpNetworkSession::GetSocketPoolManager(
297    SocketPoolType pool_type) {
298  switch (pool_type) {
299    case NORMAL_SOCKET_POOL:
300      return normal_socket_pool_manager_.get();
301    case WEBSOCKET_SOCKET_POOL:
302      return websocket_socket_pool_manager_.get();
303    default:
304      NOTREACHED();
305      break;
306  }
307  return NULL;
308}
309
310}  //  namespace net
311