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| 1 // Copyright 2014 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_server_properties_manager.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/metrics/histogram.h" | |
| 9 #include "base/prefs/pref_service.h" | |
| 10 #include "base/single_thread_task_runner.h" | |
| 11 #include "base/stl_util.h" | |
| 12 #include "base/strings/string_number_conversions.h" | |
| 13 #include "base/strings/stringprintf.h" | |
| 14 #include "base/thread_task_runner_handle.h" | |
| 15 #include "base/values.h" | |
| 16 #include "net/base/net_util.h" | |
| 17 | |
| 18 namespace net { | |
| 19 | |
| 20 namespace { | |
| 21 | |
| 22 // Time to wait before starting an update the http_server_properties_impl_ cache | |
| 23 // from preferences. Scheduling another update during this period will reset the | |
| 24 // timer. | |
| 25 const int64 kUpdateCacheDelayMs = 1000; | |
| 26 | |
| 27 // Time to wait before starting an update the preferences from the | |
| 28 // http_server_properties_impl_ cache. Scheduling another update during this | |
| 29 // period will reset the timer. | |
| 30 const int64 kUpdatePrefsDelayMs = 5000; | |
| 31 | |
| 32 // "version" 0 indicates, http_server_properties doesn't have "version" | |
| 33 // property. | |
| 34 const int kMissingVersion = 0; | |
| 35 | |
| 36 // The version number of persisted http_server_properties. | |
| 37 const int kVersionNumber = 3; | |
| 38 | |
| 39 typedef std::vector<std::string> StringVector; | |
| 40 | |
| 41 // Persist 200 MRU AlternateProtocolHostPortPairs. | |
| 42 const int kMaxAlternateProtocolHostsToPersist = 200; | |
| 43 | |
| 44 // Persist 200 MRU SpdySettingsHostPortPairs. | |
| 45 const int kMaxSpdySettingsHostsToPersist = 200; | |
| 46 | |
| 47 // Persist 300 MRU SupportsSpdyServerHostPortPairs. | |
| 48 const int kMaxSupportsSpdyServerHostsToPersist = 300; | |
| 49 | |
| 50 // Persist 200 ServerNetworkStats. | |
| 51 const int kMaxServerNetworkStatsHostsToPersist = 200; | |
| 52 | |
| 53 const char kVersionKey[] = "version"; | |
| 54 const char kServersKey[] = "servers"; | |
| 55 const char kSupportsSpdyKey[] = "supports_spdy"; | |
| 56 const char kSettingsKey[] = "settings"; | |
| 57 const char kSupportsQuicKey[] = "supports_quic"; | |
| 58 const char kUsedQuicKey[] = "used_quic"; | |
| 59 const char kAddressKey[] = "address"; | |
| 60 const char kAlternateProtocolKey[] = "alternate_protocol"; | |
| 61 const char kPortKey[] = "port"; | |
| 62 const char kProtocolKey[] = "protocol_str"; | |
| 63 const char kProbabilityKey[] = "probability"; | |
| 64 const char kNetworkStatsKey[] = "network_stats"; | |
| 65 const char kSrttKey[] = "srtt"; | |
| 66 | |
| 67 } // namespace | |
| 68 | |
| 69 //////////////////////////////////////////////////////////////////////////////// | |
| 70 // HttpServerPropertiesManager | |
| 71 | |
| 72 HttpServerPropertiesManager::HttpServerPropertiesManager( | |
| 73 PrefService* pref_service, | |
| 74 const char* pref_path, | |
| 75 scoped_refptr<base::SequencedTaskRunner> network_task_runner) | |
| 76 : pref_task_runner_(base::ThreadTaskRunnerHandle::Get()), | |
| 77 pref_service_(pref_service), | |
| 78 setting_prefs_(false), | |
| 79 path_(pref_path), | |
| 80 network_task_runner_(network_task_runner) { | |
| 81 DCHECK(pref_service); | |
| 82 pref_weak_ptr_factory_.reset( | |
| 83 new base::WeakPtrFactory<HttpServerPropertiesManager>(this)); | |
| 84 pref_weak_ptr_ = pref_weak_ptr_factory_->GetWeakPtr(); | |
| 85 pref_cache_update_timer_.reset( | |
| 86 new base::OneShotTimer<HttpServerPropertiesManager>); | |
| 87 pref_change_registrar_.Init(pref_service_); | |
| 88 pref_change_registrar_.Add( | |
| 89 path_, | |
| 90 base::Bind(&HttpServerPropertiesManager::OnHttpServerPropertiesChanged, | |
| 91 base::Unretained(this))); | |
| 92 } | |
| 93 | |
| 94 HttpServerPropertiesManager::~HttpServerPropertiesManager() { | |
| 95 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 96 network_weak_ptr_factory_.reset(); | |
| 97 } | |
| 98 | |
| 99 void HttpServerPropertiesManager::InitializeOnNetworkThread() { | |
| 100 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 101 network_weak_ptr_factory_.reset( | |
| 102 new base::WeakPtrFactory<HttpServerPropertiesManager>(this)); | |
| 103 http_server_properties_impl_.reset(new HttpServerPropertiesImpl()); | |
| 104 | |
| 105 network_prefs_update_timer_.reset( | |
| 106 new base::OneShotTimer<HttpServerPropertiesManager>); | |
| 107 | |
| 108 pref_task_runner_->PostTask( | |
| 109 FROM_HERE, | |
| 110 base::Bind(&HttpServerPropertiesManager::UpdateCacheFromPrefsOnPrefThread, | |
| 111 pref_weak_ptr_)); | |
| 112 } | |
| 113 | |
| 114 void HttpServerPropertiesManager::ShutdownOnPrefThread() { | |
| 115 DCHECK(pref_task_runner_->RunsTasksOnCurrentThread()); | |
| 116 // Cancel any pending updates, and stop listening for pref change updates. | |
| 117 pref_cache_update_timer_->Stop(); | |
| 118 pref_weak_ptr_factory_.reset(); | |
| 119 pref_change_registrar_.RemoveAll(); | |
| 120 } | |
| 121 | |
| 122 // static | |
| 123 void HttpServerPropertiesManager::SetVersion( | |
| 124 base::DictionaryValue* http_server_properties_dict, | |
| 125 int version_number) { | |
| 126 if (version_number < 0) | |
| 127 version_number = kVersionNumber; | |
| 128 DCHECK_LE(version_number, kVersionNumber); | |
| 129 if (version_number <= kVersionNumber) | |
| 130 http_server_properties_dict->SetInteger(kVersionKey, version_number); | |
| 131 } | |
| 132 | |
| 133 // This is required for conformance with the HttpServerProperties interface. | |
| 134 base::WeakPtr<HttpServerProperties> HttpServerPropertiesManager::GetWeakPtr() { | |
| 135 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 136 return network_weak_ptr_factory_->GetWeakPtr(); | |
| 137 } | |
| 138 | |
| 139 void HttpServerPropertiesManager::Clear() { | |
| 140 Clear(base::Closure()); | |
| 141 } | |
| 142 | |
| 143 void HttpServerPropertiesManager::Clear(const base::Closure& completion) { | |
| 144 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 145 | |
| 146 http_server_properties_impl_->Clear(); | |
| 147 UpdatePrefsFromCacheOnNetworkThread(completion); | |
| 148 } | |
| 149 | |
| 150 bool HttpServerPropertiesManager::SupportsRequestPriority( | |
| 151 const HostPortPair& server) { | |
| 152 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 153 return http_server_properties_impl_->SupportsRequestPriority(server); | |
| 154 } | |
| 155 | |
| 156 void HttpServerPropertiesManager::SetSupportsSpdy(const HostPortPair& server, | |
| 157 bool support_spdy) { | |
| 158 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 159 | |
| 160 http_server_properties_impl_->SetSupportsSpdy(server, support_spdy); | |
| 161 ScheduleUpdatePrefsOnNetworkThread(); | |
| 162 } | |
| 163 | |
| 164 bool HttpServerPropertiesManager::RequiresHTTP11(const HostPortPair& server) { | |
| 165 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 166 return http_server_properties_impl_->RequiresHTTP11(server); | |
| 167 } | |
| 168 | |
| 169 void HttpServerPropertiesManager::SetHTTP11Required( | |
| 170 const HostPortPair& server) { | |
| 171 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 172 | |
| 173 http_server_properties_impl_->SetHTTP11Required(server); | |
| 174 ScheduleUpdatePrefsOnNetworkThread(); | |
| 175 } | |
| 176 | |
| 177 void HttpServerPropertiesManager::MaybeForceHTTP11(const HostPortPair& server, | |
| 178 SSLConfig* ssl_config) { | |
| 179 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 180 http_server_properties_impl_->MaybeForceHTTP11(server, ssl_config); | |
| 181 } | |
| 182 | |
| 183 AlternateProtocolInfo HttpServerPropertiesManager::GetAlternateProtocol( | |
| 184 const HostPortPair& server) { | |
| 185 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 186 return http_server_properties_impl_->GetAlternateProtocol(server); | |
| 187 } | |
| 188 | |
| 189 void HttpServerPropertiesManager::SetAlternateProtocol( | |
| 190 const HostPortPair& server, | |
| 191 uint16 alternate_port, | |
| 192 AlternateProtocol alternate_protocol, | |
| 193 double alternate_probability) { | |
| 194 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 195 http_server_properties_impl_->SetAlternateProtocol( | |
| 196 server, alternate_port, alternate_protocol, alternate_probability); | |
| 197 ScheduleUpdatePrefsOnNetworkThread(); | |
| 198 } | |
| 199 | |
| 200 void HttpServerPropertiesManager::SetBrokenAlternateProtocol( | |
| 201 const HostPortPair& server) { | |
| 202 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 203 http_server_properties_impl_->SetBrokenAlternateProtocol(server); | |
| 204 ScheduleUpdatePrefsOnNetworkThread(); | |
| 205 } | |
| 206 | |
| 207 bool HttpServerPropertiesManager::WasAlternateProtocolRecentlyBroken( | |
| 208 const HostPortPair& server) { | |
| 209 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 210 return http_server_properties_impl_->WasAlternateProtocolRecentlyBroken( | |
| 211 server); | |
| 212 } | |
| 213 | |
| 214 void HttpServerPropertiesManager::ConfirmAlternateProtocol( | |
| 215 const HostPortPair& server) { | |
| 216 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 217 http_server_properties_impl_->ConfirmAlternateProtocol(server); | |
| 218 ScheduleUpdatePrefsOnNetworkThread(); | |
| 219 } | |
| 220 | |
| 221 void HttpServerPropertiesManager::ClearAlternateProtocol( | |
| 222 const HostPortPair& server) { | |
| 223 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 224 http_server_properties_impl_->ClearAlternateProtocol(server); | |
| 225 ScheduleUpdatePrefsOnNetworkThread(); | |
| 226 } | |
| 227 | |
| 228 const AlternateProtocolMap& | |
| 229 HttpServerPropertiesManager::alternate_protocol_map() const { | |
| 230 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 231 return http_server_properties_impl_->alternate_protocol_map(); | |
| 232 } | |
| 233 | |
| 234 void HttpServerPropertiesManager::SetAlternateProtocolProbabilityThreshold( | |
| 235 double threshold) { | |
| 236 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 237 http_server_properties_impl_->SetAlternateProtocolProbabilityThreshold( | |
| 238 threshold); | |
| 239 } | |
| 240 | |
| 241 const SettingsMap& HttpServerPropertiesManager::GetSpdySettings( | |
| 242 const HostPortPair& host_port_pair) { | |
| 243 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 244 return http_server_properties_impl_->GetSpdySettings(host_port_pair); | |
| 245 } | |
| 246 | |
| 247 bool HttpServerPropertiesManager::SetSpdySetting( | |
| 248 const HostPortPair& host_port_pair, | |
| 249 SpdySettingsIds id, | |
| 250 SpdySettingsFlags flags, | |
| 251 uint32 value) { | |
| 252 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 253 bool persist = http_server_properties_impl_->SetSpdySetting( | |
| 254 host_port_pair, id, flags, value); | |
| 255 if (persist) | |
| 256 ScheduleUpdatePrefsOnNetworkThread(); | |
| 257 return persist; | |
| 258 } | |
| 259 | |
| 260 void HttpServerPropertiesManager::ClearSpdySettings( | |
| 261 const HostPortPair& host_port_pair) { | |
| 262 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 263 http_server_properties_impl_->ClearSpdySettings(host_port_pair); | |
| 264 ScheduleUpdatePrefsOnNetworkThread(); | |
| 265 } | |
| 266 | |
| 267 void HttpServerPropertiesManager::ClearAllSpdySettings() { | |
| 268 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 269 http_server_properties_impl_->ClearAllSpdySettings(); | |
| 270 ScheduleUpdatePrefsOnNetworkThread(); | |
| 271 } | |
| 272 | |
| 273 const SpdySettingsMap& HttpServerPropertiesManager::spdy_settings_map() | |
| 274 const { | |
| 275 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 276 return http_server_properties_impl_->spdy_settings_map(); | |
| 277 } | |
| 278 | |
| 279 bool HttpServerPropertiesManager::GetSupportsQuic( | |
| 280 IPAddressNumber* last_address) const { | |
| 281 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 282 return http_server_properties_impl_->GetSupportsQuic(last_address); | |
| 283 } | |
| 284 | |
| 285 void HttpServerPropertiesManager::SetSupportsQuic( | |
| 286 bool used_quic, | |
| 287 const IPAddressNumber& address) { | |
| 288 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 289 http_server_properties_impl_->SetSupportsQuic(used_quic, address); | |
| 290 ScheduleUpdatePrefsOnNetworkThread(); | |
| 291 } | |
| 292 | |
| 293 void HttpServerPropertiesManager::SetServerNetworkStats( | |
| 294 const HostPortPair& host_port_pair, | |
| 295 ServerNetworkStats stats) { | |
| 296 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 297 http_server_properties_impl_->SetServerNetworkStats(host_port_pair, stats); | |
| 298 ScheduleUpdatePrefsOnNetworkThread(); | |
| 299 } | |
| 300 | |
| 301 const ServerNetworkStats* HttpServerPropertiesManager::GetServerNetworkStats( | |
| 302 const HostPortPair& host_port_pair) { | |
| 303 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 304 return http_server_properties_impl_->GetServerNetworkStats(host_port_pair); | |
| 305 } | |
| 306 | |
| 307 const ServerNetworkStatsMap& | |
| 308 HttpServerPropertiesManager::server_network_stats_map() const { | |
| 309 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 310 return http_server_properties_impl_->server_network_stats_map(); | |
| 311 } | |
| 312 | |
| 313 // | |
| 314 // Update the HttpServerPropertiesImpl's cache with data from preferences. | |
| 315 // | |
| 316 void HttpServerPropertiesManager::ScheduleUpdateCacheOnPrefThread() { | |
| 317 DCHECK(pref_task_runner_->RunsTasksOnCurrentThread()); | |
| 318 // Cancel pending updates, if any. | |
| 319 pref_cache_update_timer_->Stop(); | |
| 320 StartCacheUpdateTimerOnPrefThread( | |
| 321 base::TimeDelta::FromMilliseconds(kUpdateCacheDelayMs)); | |
| 322 } | |
| 323 | |
| 324 void HttpServerPropertiesManager::StartCacheUpdateTimerOnPrefThread( | |
| 325 base::TimeDelta delay) { | |
| 326 DCHECK(pref_task_runner_->RunsTasksOnCurrentThread()); | |
| 327 pref_cache_update_timer_->Start( | |
| 328 FROM_HERE, | |
| 329 delay, | |
| 330 this, | |
| 331 &HttpServerPropertiesManager::UpdateCacheFromPrefsOnPrefThread); | |
| 332 } | |
| 333 | |
| 334 void HttpServerPropertiesManager::UpdateCacheFromPrefsOnPrefThread() { | |
| 335 // The preferences can only be read on the pref thread. | |
| 336 DCHECK(pref_task_runner_->RunsTasksOnCurrentThread()); | |
| 337 | |
| 338 if (!pref_service_->HasPrefPath(path_)) | |
| 339 return; | |
| 340 | |
| 341 bool detected_corrupted_prefs = false; | |
| 342 const base::DictionaryValue& http_server_properties_dict = | |
| 343 *pref_service_->GetDictionary(path_); | |
| 344 | |
| 345 int version = kMissingVersion; | |
| 346 if (!http_server_properties_dict.GetIntegerWithoutPathExpansion(kVersionKey, | |
| 347 &version)) { | |
| 348 DVLOG(1) << "Missing version. Clearing all properties."; | |
| 349 return; | |
| 350 } | |
| 351 | |
| 352 // The properties for a given server is in | |
| 353 // http_server_properties_dict["servers"][server]. | |
| 354 const base::DictionaryValue* servers_dict = NULL; | |
| 355 if (!http_server_properties_dict.GetDictionaryWithoutPathExpansion( | |
| 356 kServersKey, &servers_dict)) { | |
| 357 DVLOG(1) << "Malformed http_server_properties for servers."; | |
| 358 return; | |
| 359 } | |
| 360 | |
| 361 IPAddressNumber* addr = new IPAddressNumber; | |
| 362 ReadSupportsQuic(http_server_properties_dict, addr); | |
| 363 | |
| 364 // String is host/port pair of spdy server. | |
| 365 scoped_ptr<StringVector> spdy_servers(new StringVector); | |
| 366 scoped_ptr<SpdySettingsMap> spdy_settings_map( | |
| 367 new SpdySettingsMap(kMaxSpdySettingsHostsToPersist)); | |
| 368 scoped_ptr<AlternateProtocolMap> alternate_protocol_map( | |
| 369 new AlternateProtocolMap(kMaxAlternateProtocolHostsToPersist)); | |
| 370 scoped_ptr<ServerNetworkStatsMap> server_network_stats_map( | |
| 371 new ServerNetworkStatsMap(kMaxServerNetworkStatsHostsToPersist)); | |
| 372 | |
| 373 for (base::DictionaryValue::Iterator it(*servers_dict); !it.IsAtEnd(); | |
| 374 it.Advance()) { | |
| 375 // Get server's host/pair. | |
| 376 const std::string& server_str = it.key(); | |
| 377 HostPortPair server = HostPortPair::FromString(server_str); | |
| 378 if (server.host().empty()) { | |
| 379 DVLOG(1) << "Malformed http_server_properties for server: " << server_str; | |
| 380 detected_corrupted_prefs = true; | |
| 381 continue; | |
| 382 } | |
| 383 | |
| 384 const base::DictionaryValue* server_pref_dict = NULL; | |
| 385 if (!it.value().GetAsDictionary(&server_pref_dict)) { | |
| 386 DVLOG(1) << "Malformed http_server_properties server: " << server_str; | |
| 387 detected_corrupted_prefs = true; | |
| 388 continue; | |
| 389 } | |
| 390 | |
| 391 // Get if server supports Spdy. | |
| 392 bool supports_spdy = false; | |
| 393 if ((server_pref_dict->GetBoolean(kSupportsSpdyKey, &supports_spdy)) && | |
| 394 supports_spdy) { | |
| 395 spdy_servers->push_back(server_str); | |
| 396 } | |
| 397 | |
| 398 AddToSpdySettingsMap(server, *server_pref_dict, spdy_settings_map.get()); | |
| 399 if (!AddToAlternateProtocolMap(server, *server_pref_dict, | |
| 400 alternate_protocol_map.get()) || | |
| 401 !AddToNetworkStatsMap(server, *server_pref_dict, | |
| 402 server_network_stats_map.get())) { | |
| 403 detected_corrupted_prefs = true; | |
| 404 } | |
| 405 } | |
| 406 | |
| 407 network_task_runner_->PostTask( | |
| 408 FROM_HERE, | |
| 409 base::Bind( | |
| 410 &HttpServerPropertiesManager::UpdateCacheFromPrefsOnNetworkThread, | |
| 411 base::Unretained(this), base::Owned(spdy_servers.release()), | |
| 412 base::Owned(spdy_settings_map.release()), | |
| 413 base::Owned(alternate_protocol_map.release()), base::Owned(addr), | |
| 414 base::Owned(server_network_stats_map.release()), | |
| 415 detected_corrupted_prefs)); | |
| 416 } | |
| 417 | |
| 418 void HttpServerPropertiesManager::AddToSpdySettingsMap( | |
| 419 const HostPortPair& server, | |
| 420 const base::DictionaryValue& server_pref_dict, | |
| 421 SpdySettingsMap* spdy_settings_map) { | |
| 422 // Get SpdySettings. | |
| 423 DCHECK(spdy_settings_map->Peek(server) == spdy_settings_map->end()); | |
| 424 const base::DictionaryValue* spdy_settings_dict = NULL; | |
| 425 if (!server_pref_dict.GetDictionaryWithoutPathExpansion( | |
| 426 kSettingsKey, &spdy_settings_dict)) { | |
| 427 return; | |
| 428 } | |
| 429 SettingsMap settings_map; | |
| 430 for (base::DictionaryValue::Iterator dict_it(*spdy_settings_dict); | |
| 431 !dict_it.IsAtEnd(); dict_it.Advance()) { | |
| 432 const std::string& id_str = dict_it.key(); | |
| 433 int id = 0; | |
| 434 if (!base::StringToInt(id_str, &id)) { | |
| 435 DVLOG(1) << "Malformed id in SpdySettings for server: " | |
| 436 << server.ToString(); | |
| 437 NOTREACHED(); | |
| 438 continue; | |
| 439 } | |
| 440 int value = 0; | |
| 441 if (!dict_it.value().GetAsInteger(&value)) { | |
| 442 DVLOG(1) << "Malformed value in SpdySettings for server: " | |
| 443 << server.ToString(); | |
| 444 NOTREACHED(); | |
| 445 continue; | |
| 446 } | |
| 447 SettingsFlagsAndValue flags_and_value(SETTINGS_FLAG_PERSISTED, value); | |
| 448 settings_map[static_cast<SpdySettingsIds>(id)] = flags_and_value; | |
| 449 } | |
| 450 spdy_settings_map->Put(server, settings_map); | |
| 451 } | |
| 452 | |
| 453 AlternateProtocolInfo HttpServerPropertiesManager::ParseAlternateProtocolDict( | |
| 454 const base::DictionaryValue& alternate_protocol_dict, | |
| 455 const std::string& server_str) { | |
| 456 AlternateProtocolInfo alternate_protocol; | |
| 457 int port = 0; | |
| 458 if (!alternate_protocol_dict.GetInteger(kPortKey, &port) || | |
| 459 !IsPortValid(port)) { | |
| 460 DVLOG(1) << "Malformed AltSvc port for server: " << server_str; | |
| 461 return alternate_protocol; | |
| 462 } | |
| 463 alternate_protocol.port = static_cast<uint16>(port); | |
| 464 | |
| 465 double probability = 1.0; | |
| 466 if (alternate_protocol_dict.HasKey(kProbabilityKey) && | |
| 467 !alternate_protocol_dict.GetDoubleWithoutPathExpansion(kProbabilityKey, | |
| 468 &probability)) { | |
| 469 DVLOG(1) << "Malformed AltSvc probability for server: " << server_str; | |
| 470 return alternate_protocol; | |
| 471 } | |
| 472 alternate_protocol.probability = probability; | |
| 473 | |
| 474 std::string protocol_str; | |
| 475 if (!alternate_protocol_dict.GetStringWithoutPathExpansion(kProtocolKey, | |
| 476 &protocol_str)) { | |
| 477 DVLOG(1) << "Malformed AltSvc protocol string for server: " << server_str; | |
| 478 return alternate_protocol; | |
| 479 } | |
| 480 AlternateProtocol protocol = AlternateProtocolFromString(protocol_str); | |
| 481 if (!IsAlternateProtocolValid(protocol)) { | |
| 482 DVLOG(1) << "Invalid AltSvc protocol string for server: " << server_str; | |
| 483 return alternate_protocol; | |
| 484 } | |
| 485 alternate_protocol.protocol = protocol; | |
| 486 | |
| 487 return alternate_protocol; | |
| 488 } | |
| 489 | |
| 490 bool HttpServerPropertiesManager::AddToAlternateProtocolMap( | |
| 491 const HostPortPair& server, | |
| 492 const base::DictionaryValue& server_pref_dict, | |
| 493 AlternateProtocolMap* alternate_protocol_map) { | |
| 494 // Get alternate_protocol server. | |
| 495 DCHECK(alternate_protocol_map->Peek(server) == alternate_protocol_map->end()); | |
| 496 const base::DictionaryValue* alternate_protocol_dict = NULL; | |
| 497 if (!server_pref_dict.GetDictionaryWithoutPathExpansion( | |
| 498 kAlternateProtocolKey, &alternate_protocol_dict)) { | |
| 499 return true; | |
| 500 } | |
| 501 AlternateProtocolInfo alternate_protocol = | |
| 502 ParseAlternateProtocolDict(*alternate_protocol_dict, server.ToString()); | |
| 503 if (alternate_protocol.protocol == UNINITIALIZED_ALTERNATE_PROTOCOL) | |
| 504 return false; | |
| 505 alternate_protocol_map->Put(server, alternate_protocol); | |
| 506 return true; | |
| 507 } | |
| 508 | |
| 509 bool HttpServerPropertiesManager::ReadSupportsQuic( | |
| 510 const base::DictionaryValue& http_server_properties_dict, | |
| 511 IPAddressNumber* last_quic_address) { | |
| 512 const base::DictionaryValue* supports_quic_dict = NULL; | |
| 513 if (!http_server_properties_dict.GetDictionaryWithoutPathExpansion( | |
| 514 kSupportsQuicKey, &supports_quic_dict)) { | |
| 515 return true; | |
| 516 } | |
| 517 bool used_quic = false; | |
| 518 if (!supports_quic_dict->GetBooleanWithoutPathExpansion(kUsedQuicKey, | |
| 519 &used_quic)) { | |
| 520 DVLOG(1) << "Malformed SupportsQuic"; | |
| 521 return false; | |
| 522 } | |
| 523 if (!used_quic) | |
| 524 return false; | |
| 525 | |
| 526 std::string address; | |
| 527 if (!supports_quic_dict->GetStringWithoutPathExpansion(kAddressKey, | |
| 528 &address) || | |
| 529 !ParseIPLiteralToNumber(address, last_quic_address)) { | |
| 530 DVLOG(1) << "Malformed SupportsQuic"; | |
| 531 return false; | |
| 532 } | |
| 533 return true; | |
| 534 } | |
| 535 | |
| 536 bool HttpServerPropertiesManager::AddToNetworkStatsMap( | |
| 537 const HostPortPair& server, | |
| 538 const base::DictionaryValue& server_pref_dict, | |
| 539 ServerNetworkStatsMap* network_stats_map) { | |
| 540 DCHECK(network_stats_map->Peek(server) == network_stats_map->end()); | |
| 541 const base::DictionaryValue* server_network_stats_dict = NULL; | |
| 542 if (!server_pref_dict.GetDictionaryWithoutPathExpansion( | |
| 543 kNetworkStatsKey, &server_network_stats_dict)) { | |
| 544 return true; | |
| 545 } | |
| 546 int srtt; | |
| 547 if (!server_network_stats_dict->GetIntegerWithoutPathExpansion(kSrttKey, | |
| 548 &srtt)) { | |
| 549 DVLOG(1) << "Malformed ServerNetworkStats for server: " | |
| 550 << server.ToString(); | |
| 551 return false; | |
| 552 } | |
| 553 ServerNetworkStats server_network_stats; | |
| 554 server_network_stats.srtt = base::TimeDelta::FromInternalValue(srtt); | |
| 555 // TODO(rtenneti): When QUIC starts using bandwidth_estimate, then persist | |
| 556 // bandwidth_estimate. | |
| 557 network_stats_map->Put(server, server_network_stats); | |
| 558 return true; | |
| 559 } | |
| 560 | |
| 561 void HttpServerPropertiesManager::UpdateCacheFromPrefsOnNetworkThread( | |
| 562 StringVector* spdy_servers, | |
| 563 SpdySettingsMap* spdy_settings_map, | |
| 564 AlternateProtocolMap* alternate_protocol_map, | |
| 565 IPAddressNumber* last_quic_address, | |
| 566 ServerNetworkStatsMap* server_network_stats_map, | |
| 567 bool detected_corrupted_prefs) { | |
| 568 // Preferences have the master data because admins might have pushed new | |
| 569 // preferences. Update the cached data with new data from preferences. | |
| 570 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 571 | |
| 572 UMA_HISTOGRAM_COUNTS("Net.CountOfSpdyServers", spdy_servers->size()); | |
| 573 http_server_properties_impl_->InitializeSpdyServers(spdy_servers, true); | |
| 574 | |
| 575 // Update the cached data and use the new spdy_settings from preferences. | |
| 576 UMA_HISTOGRAM_COUNTS("Net.CountOfSpdySettings", spdy_settings_map->size()); | |
| 577 http_server_properties_impl_->InitializeSpdySettingsServers( | |
| 578 spdy_settings_map); | |
| 579 | |
| 580 // Update the cached data and use the new Alternate-Protocol server list from | |
| 581 // preferences. | |
| 582 UMA_HISTOGRAM_COUNTS("Net.CountOfAlternateProtocolServers", | |
| 583 alternate_protocol_map->size()); | |
| 584 http_server_properties_impl_->InitializeAlternateProtocolServers( | |
| 585 alternate_protocol_map); | |
| 586 | |
| 587 http_server_properties_impl_->InitializeSupportsQuic(last_quic_address); | |
| 588 | |
| 589 http_server_properties_impl_->InitializeServerNetworkStats( | |
| 590 server_network_stats_map); | |
| 591 | |
| 592 // Update the prefs with what we have read (delete all corrupted prefs). | |
| 593 if (detected_corrupted_prefs) | |
| 594 ScheduleUpdatePrefsOnNetworkThread(); | |
| 595 } | |
| 596 | |
| 597 // | |
| 598 // Update Preferences with data from the cached data. | |
| 599 // | |
| 600 void HttpServerPropertiesManager::ScheduleUpdatePrefsOnNetworkThread() { | |
| 601 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 602 // Cancel pending updates, if any. | |
| 603 network_prefs_update_timer_->Stop(); | |
| 604 StartPrefsUpdateTimerOnNetworkThread( | |
| 605 base::TimeDelta::FromMilliseconds(kUpdatePrefsDelayMs)); | |
| 606 } | |
| 607 | |
| 608 void HttpServerPropertiesManager::StartPrefsUpdateTimerOnNetworkThread( | |
| 609 base::TimeDelta delay) { | |
| 610 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 611 // This is overridden in tests to post the task without the delay. | |
| 612 network_prefs_update_timer_->Start( | |
| 613 FROM_HERE, | |
| 614 delay, | |
| 615 this, | |
| 616 &HttpServerPropertiesManager::UpdatePrefsFromCacheOnNetworkThread); | |
| 617 } | |
| 618 | |
| 619 // This is required so we can set this as the callback for a timer. | |
| 620 void HttpServerPropertiesManager::UpdatePrefsFromCacheOnNetworkThread() { | |
| 621 UpdatePrefsFromCacheOnNetworkThread(base::Closure()); | |
| 622 } | |
| 623 | |
| 624 void HttpServerPropertiesManager::UpdatePrefsFromCacheOnNetworkThread( | |
| 625 const base::Closure& completion) { | |
| 626 DCHECK(network_task_runner_->RunsTasksOnCurrentThread()); | |
| 627 | |
| 628 base::ListValue* spdy_server_list = new base::ListValue; | |
| 629 http_server_properties_impl_->GetSpdyServerList( | |
| 630 spdy_server_list, kMaxSupportsSpdyServerHostsToPersist); | |
| 631 | |
| 632 SpdySettingsMap* spdy_settings_map = | |
| 633 new SpdySettingsMap(kMaxSpdySettingsHostsToPersist); | |
| 634 const SpdySettingsMap& main_map = | |
| 635 http_server_properties_impl_->spdy_settings_map(); | |
| 636 int count = 0; | |
| 637 for (SpdySettingsMap::const_iterator it = main_map.begin(); | |
| 638 it != main_map.end() && count < kMaxSpdySettingsHostsToPersist; | |
| 639 ++it, ++count) { | |
| 640 spdy_settings_map->Put(it->first, it->second); | |
| 641 } | |
| 642 | |
| 643 AlternateProtocolMap* alternate_protocol_map = | |
| 644 new AlternateProtocolMap(kMaxAlternateProtocolHostsToPersist); | |
| 645 const AlternateProtocolMap& map = | |
| 646 http_server_properties_impl_->alternate_protocol_map(); | |
| 647 count = 0; | |
| 648 typedef std::map<std::string, bool> CanonicalHostPersistedMap; | |
| 649 CanonicalHostPersistedMap persisted_map; | |
| 650 for (AlternateProtocolMap::const_iterator it = map.begin(); | |
| 651 it != map.end() && count < kMaxAlternateProtocolHostsToPersist; ++it) { | |
| 652 const HostPortPair& server = it->first; | |
| 653 std::string canonical_suffix = | |
| 654 http_server_properties_impl_->GetCanonicalSuffix(server.host()); | |
| 655 if (!canonical_suffix.empty()) { | |
| 656 if (persisted_map.find(canonical_suffix) != persisted_map.end()) | |
| 657 continue; | |
| 658 persisted_map[canonical_suffix] = true; | |
| 659 } | |
| 660 alternate_protocol_map->Put(server, it->second); | |
| 661 ++count; | |
| 662 } | |
| 663 | |
| 664 ServerNetworkStatsMap* server_network_stats_map = | |
| 665 new ServerNetworkStatsMap(kMaxServerNetworkStatsHostsToPersist); | |
| 666 const ServerNetworkStatsMap& main_server_network_stats_map = | |
| 667 http_server_properties_impl_->server_network_stats_map(); | |
| 668 for (ServerNetworkStatsMap::const_iterator it = | |
| 669 main_server_network_stats_map.begin(); | |
| 670 it != main_server_network_stats_map.end(); ++it) { | |
| 671 server_network_stats_map->Put(it->first, it->second); | |
| 672 } | |
| 673 | |
| 674 IPAddressNumber* last_quic_addr = new IPAddressNumber; | |
| 675 http_server_properties_impl_->GetSupportsQuic(last_quic_addr); | |
| 676 // Update the preferences on the pref thread. | |
| 677 pref_task_runner_->PostTask( | |
| 678 FROM_HERE, | |
| 679 base::Bind( | |
| 680 &HttpServerPropertiesManager::UpdatePrefsOnPrefThread, pref_weak_ptr_, | |
| 681 base::Owned(spdy_server_list), base::Owned(spdy_settings_map), | |
| 682 base::Owned(alternate_protocol_map), base::Owned(last_quic_addr), | |
| 683 base::Owned(server_network_stats_map), completion)); | |
| 684 } | |
| 685 | |
| 686 // A local or temporary data structure to hold |supports_spdy|, SpdySettings, | |
| 687 // AlternateProtocolInfo and SupportsQuic preferences for a server. This is used | |
| 688 // only in UpdatePrefsOnPrefThread. | |
| 689 struct ServerPref { | |
| 690 ServerPref() | |
| 691 : supports_spdy(false), | |
| 692 settings_map(NULL), | |
| 693 alternate_protocol(NULL), | |
| 694 supports_quic(NULL), | |
| 695 server_network_stats(NULL) {} | |
| 696 ServerPref(bool supports_spdy, | |
| 697 const SettingsMap* settings_map, | |
| 698 const AlternateProtocolInfo* alternate_protocol, | |
| 699 const SupportsQuic* supports_quic, | |
| 700 const ServerNetworkStats* server_network_stats) | |
| 701 : supports_spdy(supports_spdy), | |
| 702 settings_map(settings_map), | |
| 703 alternate_protocol(alternate_protocol), | |
| 704 supports_quic(supports_quic), | |
| 705 server_network_stats(server_network_stats) {} | |
| 706 bool supports_spdy; | |
| 707 const SettingsMap* settings_map; | |
| 708 const AlternateProtocolInfo* alternate_protocol; | |
| 709 const SupportsQuic* supports_quic; | |
| 710 const ServerNetworkStats* server_network_stats; | |
| 711 }; | |
| 712 | |
| 713 void HttpServerPropertiesManager::UpdatePrefsOnPrefThread( | |
| 714 base::ListValue* spdy_server_list, | |
| 715 SpdySettingsMap* spdy_settings_map, | |
| 716 AlternateProtocolMap* alternate_protocol_map, | |
| 717 IPAddressNumber* last_quic_address, | |
| 718 ServerNetworkStatsMap* server_network_stats_map, | |
| 719 const base::Closure& completion) { | |
| 720 typedef std::map<HostPortPair, ServerPref> ServerPrefMap; | |
| 721 ServerPrefMap server_pref_map; | |
| 722 | |
| 723 DCHECK(pref_task_runner_->RunsTasksOnCurrentThread()); | |
| 724 | |
| 725 // Add servers that support spdy to server_pref_map. | |
| 726 std::string s; | |
| 727 for (base::ListValue::const_iterator list_it = spdy_server_list->begin(); | |
| 728 list_it != spdy_server_list->end(); | |
| 729 ++list_it) { | |
| 730 if ((*list_it)->GetAsString(&s)) { | |
| 731 HostPortPair server = HostPortPair::FromString(s); | |
| 732 server_pref_map[server].supports_spdy = true; | |
| 733 } | |
| 734 } | |
| 735 | |
| 736 // Add servers that have SpdySettings to server_pref_map. | |
| 737 for (SpdySettingsMap::iterator map_it = spdy_settings_map->begin(); | |
| 738 map_it != spdy_settings_map->end(); ++map_it) { | |
| 739 const HostPortPair& server = map_it->first; | |
| 740 server_pref_map[server].settings_map = &map_it->second; | |
| 741 } | |
| 742 | |
| 743 // Add AlternateProtocol servers to server_pref_map. | |
| 744 for (AlternateProtocolMap::const_iterator map_it = | |
| 745 alternate_protocol_map->begin(); | |
| 746 map_it != alternate_protocol_map->end(); ++map_it) { | |
| 747 const HostPortPair& server = map_it->first; | |
| 748 const AlternateProtocolInfo& port_alternate_protocol = map_it->second; | |
| 749 if (!IsAlternateProtocolValid(port_alternate_protocol.protocol)) { | |
| 750 continue; | |
| 751 } | |
| 752 server_pref_map[server].alternate_protocol = &map_it->second; | |
| 753 } | |
| 754 | |
| 755 // Add ServerNetworkStats servers to server_pref_map. | |
| 756 for (ServerNetworkStatsMap::const_iterator map_it = | |
| 757 server_network_stats_map->begin(); | |
| 758 map_it != server_network_stats_map->end(); ++map_it) { | |
| 759 const HostPortPair& server = map_it->first; | |
| 760 server_pref_map[server].server_network_stats = &map_it->second; | |
| 761 } | |
| 762 | |
| 763 // Persist properties to the |path_|. | |
| 764 base::DictionaryValue http_server_properties_dict; | |
| 765 base::DictionaryValue* servers_dict = new base::DictionaryValue; | |
| 766 for (ServerPrefMap::const_iterator map_it = server_pref_map.begin(); | |
| 767 map_it != server_pref_map.end(); | |
| 768 ++map_it) { | |
| 769 const HostPortPair& server = map_it->first; | |
| 770 const ServerPref& server_pref = map_it->second; | |
| 771 | |
| 772 base::DictionaryValue* server_pref_dict = new base::DictionaryValue; | |
| 773 | |
| 774 // Save supports_spdy. | |
| 775 if (server_pref.supports_spdy) | |
| 776 server_pref_dict->SetBoolean(kSupportsSpdyKey, server_pref.supports_spdy); | |
| 777 SaveSpdySettingsToServerPrefs(server_pref.settings_map, server_pref_dict); | |
| 778 SaveAlternateProtocolToServerPrefs(server_pref.alternate_protocol, | |
| 779 server_pref_dict); | |
| 780 SaveNetworkStatsToServerPrefs(server_pref.server_network_stats, | |
| 781 server_pref_dict); | |
| 782 | |
| 783 servers_dict->SetWithoutPathExpansion(server.ToString(), server_pref_dict); | |
| 784 } | |
| 785 | |
| 786 http_server_properties_dict.SetWithoutPathExpansion(kServersKey, | |
| 787 servers_dict); | |
| 788 SetVersion(&http_server_properties_dict, kVersionNumber); | |
| 789 | |
| 790 SaveSupportsQuicToPrefs(last_quic_address, &http_server_properties_dict); | |
| 791 | |
| 792 setting_prefs_ = true; | |
| 793 pref_service_->Set(path_, http_server_properties_dict); | |
| 794 setting_prefs_ = false; | |
| 795 | |
| 796 // Note that |completion| will be fired after we have written everything to | |
| 797 // the Preferences, but likely before these changes are serialized to disk. | |
| 798 // This is not a problem though, as JSONPrefStore guarantees that this will | |
| 799 // happen, pretty soon, and even in the case we shut down immediately. | |
| 800 if (!completion.is_null()) | |
| 801 completion.Run(); | |
| 802 } | |
| 803 | |
| 804 void HttpServerPropertiesManager::SaveSpdySettingsToServerPrefs( | |
| 805 const SettingsMap* settings_map, | |
| 806 base::DictionaryValue* server_pref_dict) { | |
| 807 if (!settings_map) { | |
| 808 return; | |
| 809 } | |
| 810 base::DictionaryValue* spdy_settings_dict = new base::DictionaryValue; | |
| 811 for (SettingsMap::const_iterator it = settings_map->begin(); | |
| 812 it != settings_map->end(); ++it) { | |
| 813 SpdySettingsIds id = it->first; | |
| 814 uint32 value = it->second.second; | |
| 815 std::string key = base::StringPrintf("%u", id); | |
| 816 spdy_settings_dict->SetInteger(key, value); | |
| 817 } | |
| 818 server_pref_dict->SetWithoutPathExpansion(kSettingsKey, spdy_settings_dict); | |
| 819 } | |
| 820 | |
| 821 void HttpServerPropertiesManager::SaveAlternateProtocolToServerPrefs( | |
| 822 const AlternateProtocolInfo* port_alternate_protocol, | |
| 823 base::DictionaryValue* server_pref_dict) { | |
| 824 if (!port_alternate_protocol || port_alternate_protocol->is_broken) | |
| 825 return; | |
| 826 | |
| 827 base::DictionaryValue* port_alternate_protocol_dict = | |
| 828 new base::DictionaryValue; | |
| 829 port_alternate_protocol_dict->SetInteger(kPortKey, | |
| 830 port_alternate_protocol->port); | |
| 831 const char* protocol_str = | |
| 832 AlternateProtocolToString(port_alternate_protocol->protocol); | |
| 833 port_alternate_protocol_dict->SetString(kProtocolKey, protocol_str); | |
| 834 port_alternate_protocol_dict->SetDouble(kProbabilityKey, | |
| 835 port_alternate_protocol->probability); | |
| 836 server_pref_dict->SetWithoutPathExpansion(kAlternateProtocolKey, | |
| 837 port_alternate_protocol_dict); | |
| 838 } | |
| 839 | |
| 840 void HttpServerPropertiesManager::SaveSupportsQuicToPrefs( | |
| 841 const IPAddressNumber* last_quic_address, | |
| 842 base::DictionaryValue* http_server_properties_dict) { | |
| 843 if (!last_quic_address || last_quic_address->empty()) | |
| 844 return; | |
| 845 | |
| 846 base::DictionaryValue* supports_quic_dict = new base::DictionaryValue; | |
| 847 supports_quic_dict->SetBoolean(kUsedQuicKey, true); | |
| 848 supports_quic_dict->SetString(kAddressKey, | |
| 849 IPAddressToString(*last_quic_address)); | |
| 850 http_server_properties_dict->SetWithoutPathExpansion(kSupportsQuicKey, | |
| 851 supports_quic_dict); | |
| 852 } | |
| 853 | |
| 854 void HttpServerPropertiesManager::SaveNetworkStatsToServerPrefs( | |
| 855 const ServerNetworkStats* server_network_stats, | |
| 856 base::DictionaryValue* server_pref_dict) { | |
| 857 if (!server_network_stats) | |
| 858 return; | |
| 859 | |
| 860 base::DictionaryValue* server_network_stats_dict = new base::DictionaryValue; | |
| 861 // Becasue JSON doesn't support int64, persist int64 as a string. | |
| 862 server_network_stats_dict->SetInteger( | |
| 863 kSrttKey, static_cast<int>(server_network_stats->srtt.ToInternalValue())); | |
| 864 // TODO(rtenneti): When QUIC starts using bandwidth_estimate, then persist | |
| 865 // bandwidth_estimate. | |
| 866 server_pref_dict->SetWithoutPathExpansion(kNetworkStatsKey, | |
| 867 server_network_stats_dict); | |
| 868 } | |
| 869 | |
| 870 void HttpServerPropertiesManager::OnHttpServerPropertiesChanged() { | |
| 871 DCHECK(pref_task_runner_->RunsTasksOnCurrentThread()); | |
| 872 if (!setting_prefs_) | |
| 873 ScheduleUpdateCacheOnPrefThread(); | |
| 874 } | |
| 875 | |
| 876 } // namespace net | |
| OLD | NEW |
|---|
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Issue 992733002:
Remove //net (except for Android test stuff) and sdch (Closed)
Base URL: git@github.com:domokit/mojo.git@master