| OLD | NEW |
|---|
| (Empty) |
| 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 "chrome/browser/net/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/rand_util.h" | |
| 11 #include "base/stl_util.h" | |
| 12 #include "base/strings/string_number_conversions.h" | |
| 13 #include "base/strings/stringprintf.h" | |
| 14 #include "base/values.h" | |
| 15 #include "chrome/browser/chrome_notification_types.h" | |
| 16 #include "chrome/common/pref_names.h" | |
| 17 #include "components/pref_registry/pref_registry_syncable.h" | |
| 18 #include "content/public/browser/browser_thread.h" | |
| 19 #include "content/public/browser/notification_details.h" | |
| 20 #include "content/public/browser/notification_source.h" | |
| 21 | |
| 22 using content::BrowserThread; | |
| 23 | |
| 24 namespace chrome_browser_net { | |
| 25 | |
| 26 namespace { | |
| 27 | |
| 28 // Time to wait before starting an update the http_server_properties_impl_ cache | |
| 29 // from preferences. Scheduling another update during this period will reset the | |
| 30 // timer. | |
| 31 const int64 kUpdateCacheDelayMs = 1000; | |
| 32 | |
| 33 // Time to wait before starting an update the preferences from the | |
| 34 // http_server_properties_impl_ cache. Scheduling another update during this | |
| 35 // period will reset the timer. | |
| 36 const int64 kUpdatePrefsDelayMs = 5000; | |
| 37 | |
| 38 // "version" 0 indicates, http_server_properties doesn't have "version" | |
| 39 // property. | |
| 40 const int kMissingVersion = 0; | |
| 41 | |
| 42 // The version number of persisted http_server_properties. | |
| 43 const int kVersionNumber = 3; | |
| 44 | |
| 45 typedef std::vector<std::string> StringVector; | |
| 46 | |
| 47 // Load either 200 or 1000 servers based on a coin flip. | |
| 48 const int k200AlternateProtocolHostsToLoad = 200; | |
| 49 const int k1000AlternateProtocolHostsToLoad = 1000; | |
| 50 // Persist 1000 MRU AlternateProtocolHostPortPairs. | |
| 51 const int kMaxAlternateProtocolHostsToPersist = 1000; | |
| 52 | |
| 53 // Persist 200 MRU SpdySettingsHostPortPairs. | |
| 54 const int kMaxSpdySettingsHostsToPersist = 200; | |
| 55 | |
| 56 // Persist 300 MRU SupportsSpdyServerHostPortPairs. | |
| 57 const int kMaxSupportsSpdyServerHostsToPersist = 300; | |
| 58 | |
| 59 } // namespace | |
| 60 | |
| 61 //////////////////////////////////////////////////////////////////////////////// | |
| 62 // HttpServerPropertiesManager | |
| 63 | |
| 64 HttpServerPropertiesManager::HttpServerPropertiesManager( | |
| 65 PrefService* pref_service) | |
| 66 : pref_service_(pref_service), | |
| 67 setting_prefs_(false) { | |
| 68 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 69 DCHECK(pref_service); | |
| 70 ui_weak_ptr_factory_.reset( | |
| 71 new base::WeakPtrFactory<HttpServerPropertiesManager>(this)); | |
| 72 ui_weak_ptr_ = ui_weak_ptr_factory_->GetWeakPtr(); | |
| 73 ui_cache_update_timer_.reset( | |
| 74 new base::OneShotTimer<HttpServerPropertiesManager>); | |
| 75 pref_change_registrar_.Init(pref_service_); | |
| 76 pref_change_registrar_.Add( | |
| 77 prefs::kHttpServerProperties, | |
| 78 base::Bind(&HttpServerPropertiesManager::OnHttpServerPropertiesChanged, | |
| 79 base::Unretained(this))); | |
| 80 } | |
| 81 | |
| 82 HttpServerPropertiesManager::~HttpServerPropertiesManager() { | |
| 83 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 84 io_weak_ptr_factory_.reset(); | |
| 85 } | |
| 86 | |
| 87 void HttpServerPropertiesManager::InitializeOnIOThread() { | |
| 88 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 89 io_weak_ptr_factory_.reset( | |
| 90 new base::WeakPtrFactory<HttpServerPropertiesManager>(this)); | |
| 91 http_server_properties_impl_.reset(new net::HttpServerPropertiesImpl()); | |
| 92 | |
| 93 io_prefs_update_timer_.reset( | |
| 94 new base::OneShotTimer<HttpServerPropertiesManager>); | |
| 95 | |
| 96 BrowserThread::PostTask( | |
| 97 BrowserThread::UI, | |
| 98 FROM_HERE, | |
| 99 base::Bind(&HttpServerPropertiesManager::UpdateCacheFromPrefsOnUI, | |
| 100 ui_weak_ptr_)); | |
| 101 } | |
| 102 | |
| 103 void HttpServerPropertiesManager::ShutdownOnUIThread() { | |
| 104 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 105 // Cancel any pending updates, and stop listening for pref change updates. | |
| 106 ui_cache_update_timer_->Stop(); | |
| 107 ui_weak_ptr_factory_.reset(); | |
| 108 pref_change_registrar_.RemoveAll(); | |
| 109 } | |
| 110 | |
| 111 // static | |
| 112 void HttpServerPropertiesManager::RegisterProfilePrefs( | |
| 113 user_prefs::PrefRegistrySyncable* prefs) { | |
| 114 prefs->RegisterDictionaryPref( | |
| 115 prefs::kHttpServerProperties, | |
| 116 user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF); | |
| 117 } | |
| 118 | |
| 119 // static | |
| 120 void HttpServerPropertiesManager::SetVersion( | |
| 121 base::DictionaryValue* http_server_properties_dict, | |
| 122 int version_number) { | |
| 123 if (version_number < 0) | |
| 124 version_number = kVersionNumber; | |
| 125 DCHECK_LE(version_number, kVersionNumber); | |
| 126 if (version_number <= kVersionNumber) | |
| 127 http_server_properties_dict->SetInteger("version", version_number); | |
| 128 } | |
| 129 | |
| 130 // This is required for conformance with the HttpServerProperties interface. | |
| 131 base::WeakPtr<net::HttpServerProperties> | |
| 132 HttpServerPropertiesManager::GetWeakPtr() { | |
| 133 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 134 return io_weak_ptr_factory_->GetWeakPtr(); | |
| 135 } | |
| 136 | |
| 137 void HttpServerPropertiesManager::Clear() { | |
| 138 Clear(base::Closure()); | |
| 139 } | |
| 140 | |
| 141 void HttpServerPropertiesManager::Clear(const base::Closure& completion) { | |
| 142 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 143 | |
| 144 http_server_properties_impl_->Clear(); | |
| 145 UpdatePrefsFromCacheOnIO(completion); | |
| 146 } | |
| 147 | |
| 148 bool HttpServerPropertiesManager::SupportsSpdy( | |
| 149 const net::HostPortPair& server) { | |
| 150 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 151 return http_server_properties_impl_->SupportsSpdy(server); | |
| 152 } | |
| 153 | |
| 154 void HttpServerPropertiesManager::SetSupportsSpdy( | |
| 155 const net::HostPortPair& server, | |
| 156 bool support_spdy) { | |
| 157 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 158 | |
| 159 http_server_properties_impl_->SetSupportsSpdy(server, support_spdy); | |
| 160 ScheduleUpdatePrefsOnIO(); | |
| 161 } | |
| 162 | |
| 163 bool HttpServerPropertiesManager::HasAlternateProtocol( | |
| 164 const net::HostPortPair& server) { | |
| 165 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 166 return http_server_properties_impl_->HasAlternateProtocol(server); | |
| 167 } | |
| 168 | |
| 169 net::AlternateProtocolInfo | |
| 170 HttpServerPropertiesManager::GetAlternateProtocol( | |
| 171 const net::HostPortPair& server) { | |
| 172 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 173 return http_server_properties_impl_->GetAlternateProtocol(server); | |
| 174 } | |
| 175 | |
| 176 void HttpServerPropertiesManager::SetAlternateProtocol( | |
| 177 const net::HostPortPair& server, | |
| 178 uint16 alternate_port, | |
| 179 net::AlternateProtocol alternate_protocol, | |
| 180 double alternate_probability) { | |
| 181 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 182 http_server_properties_impl_->SetAlternateProtocol( | |
| 183 server, alternate_port, alternate_protocol, alternate_probability); | |
| 184 ScheduleUpdatePrefsOnIO(); | |
| 185 } | |
| 186 | |
| 187 void HttpServerPropertiesManager::SetBrokenAlternateProtocol( | |
| 188 const net::HostPortPair& server) { | |
| 189 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 190 http_server_properties_impl_->SetBrokenAlternateProtocol(server); | |
| 191 ScheduleUpdatePrefsOnIO(); | |
| 192 } | |
| 193 | |
| 194 bool HttpServerPropertiesManager::WasAlternateProtocolRecentlyBroken( | |
| 195 const net::HostPortPair& server) { | |
| 196 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 197 return http_server_properties_impl_->WasAlternateProtocolRecentlyBroken( | |
| 198 server); | |
| 199 } | |
| 200 | |
| 201 void HttpServerPropertiesManager::ConfirmAlternateProtocol( | |
| 202 const net::HostPortPair& server) { | |
| 203 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 204 http_server_properties_impl_->ConfirmAlternateProtocol(server); | |
| 205 ScheduleUpdatePrefsOnIO(); | |
| 206 } | |
| 207 | |
| 208 void HttpServerPropertiesManager::ClearAlternateProtocol( | |
| 209 const net::HostPortPair& server) { | |
| 210 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 211 http_server_properties_impl_->ClearAlternateProtocol(server); | |
| 212 ScheduleUpdatePrefsOnIO(); | |
| 213 } | |
| 214 | |
| 215 const net::AlternateProtocolMap& | |
| 216 HttpServerPropertiesManager::alternate_protocol_map() const { | |
| 217 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 218 return http_server_properties_impl_->alternate_protocol_map(); | |
| 219 } | |
| 220 | |
| 221 void HttpServerPropertiesManager::SetAlternateProtocolExperiment( | |
| 222 net::AlternateProtocolExperiment experiment) { | |
| 223 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 224 http_server_properties_impl_->SetAlternateProtocolExperiment(experiment); | |
| 225 } | |
| 226 | |
| 227 void HttpServerPropertiesManager::SetAlternateProtocolProbabilityThreshold( | |
| 228 double threshold) { | |
| 229 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 230 http_server_properties_impl_->SetAlternateProtocolProbabilityThreshold( | |
| 231 threshold); | |
| 232 } | |
| 233 | |
| 234 net::AlternateProtocolExperiment | |
| 235 HttpServerPropertiesManager::GetAlternateProtocolExperiment() const { | |
| 236 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 237 return http_server_properties_impl_->GetAlternateProtocolExperiment(); | |
| 238 } | |
| 239 | |
| 240 const net::SettingsMap& | |
| 241 HttpServerPropertiesManager::GetSpdySettings( | |
| 242 const net::HostPortPair& host_port_pair) { | |
| 243 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 244 return http_server_properties_impl_->GetSpdySettings(host_port_pair); | |
| 245 } | |
| 246 | |
| 247 bool HttpServerPropertiesManager::SetSpdySetting( | |
| 248 const net::HostPortPair& host_port_pair, | |
| 249 net::SpdySettingsIds id, | |
| 250 net::SpdySettingsFlags flags, | |
| 251 uint32 value) { | |
| 252 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 253 bool persist = http_server_properties_impl_->SetSpdySetting( | |
| 254 host_port_pair, id, flags, value); | |
| 255 if (persist) | |
| 256 ScheduleUpdatePrefsOnIO(); | |
| 257 return persist; | |
| 258 } | |
| 259 | |
| 260 void HttpServerPropertiesManager::ClearSpdySettings( | |
| 261 const net::HostPortPair& host_port_pair) { | |
| 262 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 263 http_server_properties_impl_->ClearSpdySettings(host_port_pair); | |
| 264 ScheduleUpdatePrefsOnIO(); | |
| 265 } | |
| 266 | |
| 267 void HttpServerPropertiesManager::ClearAllSpdySettings() { | |
| 268 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 269 http_server_properties_impl_->ClearAllSpdySettings(); | |
| 270 ScheduleUpdatePrefsOnIO(); | |
| 271 } | |
| 272 | |
| 273 const net::SpdySettingsMap& | |
| 274 HttpServerPropertiesManager::spdy_settings_map() const { | |
| 275 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 276 return http_server_properties_impl_->spdy_settings_map(); | |
| 277 } | |
| 278 | |
| 279 void HttpServerPropertiesManager::SetServerNetworkStats( | |
| 280 const net::HostPortPair& host_port_pair, | |
| 281 NetworkStats stats) { | |
| 282 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 283 http_server_properties_impl_->SetServerNetworkStats(host_port_pair, stats); | |
| 284 } | |
| 285 | |
| 286 const HttpServerPropertiesManager::NetworkStats* | |
| 287 HttpServerPropertiesManager::GetServerNetworkStats( | |
| 288 const net::HostPortPair& host_port_pair) const { | |
| 289 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 290 return http_server_properties_impl_->GetServerNetworkStats(host_port_pair); | |
| 291 } | |
| 292 | |
| 293 // | |
| 294 // Update the HttpServerPropertiesImpl's cache with data from preferences. | |
| 295 // | |
| 296 void HttpServerPropertiesManager::ScheduleUpdateCacheOnUI() { | |
| 297 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 298 // Cancel pending updates, if any. | |
| 299 ui_cache_update_timer_->Stop(); | |
| 300 StartCacheUpdateTimerOnUI( | |
| 301 base::TimeDelta::FromMilliseconds(kUpdateCacheDelayMs)); | |
| 302 } | |
| 303 | |
| 304 void HttpServerPropertiesManager::StartCacheUpdateTimerOnUI( | |
| 305 base::TimeDelta delay) { | |
| 306 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 307 ui_cache_update_timer_->Start( | |
| 308 FROM_HERE, delay, this, | |
| 309 &HttpServerPropertiesManager::UpdateCacheFromPrefsOnUI); | |
| 310 } | |
| 311 | |
| 312 void HttpServerPropertiesManager::UpdateCacheFromPrefsOnUI() { | |
| 313 // The preferences can only be read on the UI thread. | |
| 314 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 315 | |
| 316 if (!pref_service_->HasPrefPath(prefs::kHttpServerProperties)) | |
| 317 return; | |
| 318 | |
| 319 bool detected_corrupted_prefs = false; | |
| 320 const base::DictionaryValue& http_server_properties_dict = | |
| 321 *pref_service_->GetDictionary(prefs::kHttpServerProperties); | |
| 322 | |
| 323 int version = kMissingVersion; | |
| 324 if (!http_server_properties_dict.GetIntegerWithoutPathExpansion( | |
| 325 "version", &version)) { | |
| 326 DVLOG(1) << "Missing version. Clearing all properties."; | |
| 327 return; | |
| 328 } | |
| 329 | |
| 330 // The properties for a given server is in | |
| 331 // http_server_properties_dict["servers"][server]. | |
| 332 const base::DictionaryValue* servers_dict = NULL; | |
| 333 if (!http_server_properties_dict.GetDictionaryWithoutPathExpansion( | |
| 334 "servers", &servers_dict)) { | |
| 335 DVLOG(1) << "Malformed http_server_properties for servers."; | |
| 336 return; | |
| 337 } | |
| 338 | |
| 339 // String is host/port pair of spdy server. | |
| 340 scoped_ptr<StringVector> spdy_servers(new StringVector); | |
| 341 scoped_ptr<net::SpdySettingsMap> spdy_settings_map( | |
| 342 new net::SpdySettingsMap(kMaxSpdySettingsHostsToPersist)); | |
| 343 scoped_ptr<net::AlternateProtocolMap> alternate_protocol_map( | |
| 344 new net::AlternateProtocolMap(kMaxAlternateProtocolHostsToPersist)); | |
| 345 // TODO(rtenneti): Delete the following code after the experiment. | |
| 346 int alternate_protocols_to_load = k200AlternateProtocolHostsToLoad; | |
| 347 net::AlternateProtocolExperiment alternate_protocol_experiment = | |
| 348 net::ALTERNATE_PROTOCOL_NOT_PART_OF_EXPERIMENT; | |
| 349 if (version == kVersionNumber) { | |
| 350 if (base::RandInt(0, 99) == 0) { | |
| 351 alternate_protocol_experiment = | |
| 352 net::ALTERNATE_PROTOCOL_TRUNCATED_200_SERVERS; | |
| 353 } else { | |
| 354 alternate_protocols_to_load = k1000AlternateProtocolHostsToLoad; | |
| 355 alternate_protocol_experiment = | |
| 356 net::ALTERNATE_PROTOCOL_TRUNCATED_1000_SERVERS; | |
| 357 } | |
| 358 DVLOG(1) << "# of servers that support alternate_protocol: " | |
| 359 << alternate_protocols_to_load; | |
| 360 } | |
| 361 | |
| 362 int count = 0; | |
| 363 for (base::DictionaryValue::Iterator it(*servers_dict); !it.IsAtEnd(); | |
| 364 it.Advance()) { | |
| 365 // Get server's host/pair. | |
| 366 const std::string& server_str = it.key(); | |
| 367 net::HostPortPair server = net::HostPortPair::FromString(server_str); | |
| 368 if (server.host().empty()) { | |
| 369 DVLOG(1) << "Malformed http_server_properties for server: " << server_str; | |
| 370 detected_corrupted_prefs = true; | |
| 371 continue; | |
| 372 } | |
| 373 | |
| 374 const base::DictionaryValue* server_pref_dict = NULL; | |
| 375 if (!it.value().GetAsDictionary(&server_pref_dict)) { | |
| 376 DVLOG(1) << "Malformed http_server_properties server: " << server_str; | |
| 377 detected_corrupted_prefs = true; | |
| 378 continue; | |
| 379 } | |
| 380 | |
| 381 // Get if server supports Spdy. | |
| 382 bool supports_spdy = false; | |
| 383 if ((server_pref_dict->GetBoolean( | |
| 384 "supports_spdy", &supports_spdy)) && supports_spdy) { | |
| 385 spdy_servers->push_back(server_str); | |
| 386 } | |
| 387 | |
| 388 // Get SpdySettings. | |
| 389 DCHECK(spdy_settings_map->Peek(server) == spdy_settings_map->end()); | |
| 390 const base::DictionaryValue* spdy_settings_dict = NULL; | |
| 391 if (server_pref_dict->GetDictionaryWithoutPathExpansion( | |
| 392 "settings", &spdy_settings_dict)) { | |
| 393 net::SettingsMap settings_map; | |
| 394 for (base::DictionaryValue::Iterator dict_it(*spdy_settings_dict); | |
| 395 !dict_it.IsAtEnd(); dict_it.Advance()) { | |
| 396 const std::string& id_str = dict_it.key(); | |
| 397 int id = 0; | |
| 398 if (!base::StringToInt(id_str, &id)) { | |
| 399 DVLOG(1) << "Malformed id in SpdySettings for server: " << | |
| 400 server_str; | |
| 401 NOTREACHED(); | |
| 402 continue; | |
| 403 } | |
| 404 int value = 0; | |
| 405 if (!dict_it.value().GetAsInteger(&value)) { | |
| 406 DVLOG(1) << "Malformed value in SpdySettings for server: " << | |
| 407 server_str; | |
| 408 NOTREACHED(); | |
| 409 continue; | |
| 410 } | |
| 411 net::SettingsFlagsAndValue flags_and_value( | |
| 412 net::SETTINGS_FLAG_PERSISTED, value); | |
| 413 settings_map[static_cast<net::SpdySettingsIds>(id)] = flags_and_value; | |
| 414 } | |
| 415 spdy_settings_map->Put(server, settings_map); | |
| 416 } | |
| 417 | |
| 418 // Get alternate_protocol server. | |
| 419 DCHECK(alternate_protocol_map->Peek(server) == | |
| 420 alternate_protocol_map->end()); | |
| 421 const base::DictionaryValue* port_alternate_protocol_dict = NULL; | |
| 422 if (!server_pref_dict->GetDictionaryWithoutPathExpansion( | |
| 423 "alternate_protocol", &port_alternate_protocol_dict)) { | |
| 424 continue; | |
| 425 } | |
| 426 | |
| 427 if (count >= alternate_protocols_to_load) | |
| 428 continue; | |
| 429 do { | |
| 430 int port = 0; | |
| 431 if (!port_alternate_protocol_dict->GetIntegerWithoutPathExpansion( | |
| 432 "port", &port) || (port > (1 << 16))) { | |
| 433 DVLOG(1) << "Malformed Alternate-Protocol server: " << server_str; | |
| 434 detected_corrupted_prefs = true; | |
| 435 continue; | |
| 436 } | |
| 437 std::string protocol_str; | |
| 438 if (!port_alternate_protocol_dict->GetStringWithoutPathExpansion( | |
| 439 "protocol_str", &protocol_str)) { | |
| 440 DVLOG(1) << "Malformed Alternate-Protocol server: " << server_str; | |
| 441 detected_corrupted_prefs = true; | |
| 442 continue; | |
| 443 } | |
| 444 net::AlternateProtocol protocol = | |
| 445 net::AlternateProtocolFromString(protocol_str); | |
| 446 if (!net::IsAlternateProtocolValid(protocol)) { | |
| 447 DVLOG(1) << "Malformed Alternate-Protocol server: " << server_str; | |
| 448 detected_corrupted_prefs = true; | |
| 449 continue; | |
| 450 } | |
| 451 | |
| 452 double probability = 1; | |
| 453 if (port_alternate_protocol_dict->HasKey("probability") && | |
| 454 !port_alternate_protocol_dict->GetDoubleWithoutPathExpansion( | |
| 455 "probability", &probability)) { | |
| 456 DVLOG(1) << "Malformed Alternate-Protocol server: " << server_str; | |
| 457 detected_corrupted_prefs = true; | |
| 458 continue; | |
| 459 } | |
| 460 | |
| 461 net::AlternateProtocolInfo port_alternate_protocol(port, | |
| 462 protocol, | |
| 463 probability); | |
| 464 alternate_protocol_map->Put(server, port_alternate_protocol); | |
| 465 ++count; | |
| 466 } while (false); | |
| 467 } | |
| 468 | |
| 469 BrowserThread::PostTask( | |
| 470 BrowserThread::IO, | |
| 471 FROM_HERE, | |
| 472 base::Bind(&HttpServerPropertiesManager:: | |
| 473 UpdateCacheFromPrefsOnIO, | |
| 474 base::Unretained(this), | |
| 475 base::Owned(spdy_servers.release()), | |
| 476 base::Owned(spdy_settings_map.release()), | |
| 477 base::Owned(alternate_protocol_map.release()), | |
| 478 alternate_protocol_experiment, | |
| 479 detected_corrupted_prefs)); | |
| 480 } | |
| 481 | |
| 482 void HttpServerPropertiesManager::UpdateCacheFromPrefsOnIO( | |
| 483 StringVector* spdy_servers, | |
| 484 net::SpdySettingsMap* spdy_settings_map, | |
| 485 net::AlternateProtocolMap* alternate_protocol_map, | |
| 486 net::AlternateProtocolExperiment alternate_protocol_experiment, | |
| 487 bool detected_corrupted_prefs) { | |
| 488 // Preferences have the master data because admins might have pushed new | |
| 489 // preferences. Update the cached data with new data from preferences. | |
| 490 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 491 | |
| 492 UMA_HISTOGRAM_COUNTS("Net.CountOfSpdyServers", spdy_servers->size()); | |
| 493 http_server_properties_impl_->InitializeSpdyServers(spdy_servers, true); | |
| 494 | |
| 495 // Update the cached data and use the new spdy_settings from preferences. | |
| 496 UMA_HISTOGRAM_COUNTS("Net.CountOfSpdySettings", spdy_settings_map->size()); | |
| 497 http_server_properties_impl_->InitializeSpdySettingsServers( | |
| 498 spdy_settings_map); | |
| 499 | |
| 500 // Update the cached data and use the new Alternate-Protocol server list from | |
| 501 // preferences. | |
| 502 UMA_HISTOGRAM_COUNTS("Net.CountOfAlternateProtocolServers", | |
| 503 alternate_protocol_map->size()); | |
| 504 http_server_properties_impl_->InitializeAlternateProtocolServers( | |
| 505 alternate_protocol_map); | |
| 506 http_server_properties_impl_->SetAlternateProtocolExperiment( | |
| 507 alternate_protocol_experiment); | |
| 508 | |
| 509 // Update the prefs with what we have read (delete all corrupted prefs). | |
| 510 if (detected_corrupted_prefs) | |
| 511 ScheduleUpdatePrefsOnIO(); | |
| 512 } | |
| 513 | |
| 514 | |
| 515 // | |
| 516 // Update Preferences with data from the cached data. | |
| 517 // | |
| 518 void HttpServerPropertiesManager::ScheduleUpdatePrefsOnIO() { | |
| 519 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 520 // Cancel pending updates, if any. | |
| 521 io_prefs_update_timer_->Stop(); | |
| 522 StartPrefsUpdateTimerOnIO( | |
| 523 base::TimeDelta::FromMilliseconds(kUpdatePrefsDelayMs)); | |
| 524 } | |
| 525 | |
| 526 void HttpServerPropertiesManager::StartPrefsUpdateTimerOnIO( | |
| 527 base::TimeDelta delay) { | |
| 528 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 529 // This is overridden in tests to post the task without the delay. | |
| 530 io_prefs_update_timer_->Start( | |
| 531 FROM_HERE, delay, this, | |
| 532 &HttpServerPropertiesManager::UpdatePrefsFromCacheOnIO); | |
| 533 } | |
| 534 | |
| 535 // This is required so we can set this as the callback for a timer. | |
| 536 void HttpServerPropertiesManager::UpdatePrefsFromCacheOnIO() { | |
| 537 UpdatePrefsFromCacheOnIO(base::Closure()); | |
| 538 } | |
| 539 | |
| 540 void HttpServerPropertiesManager::UpdatePrefsFromCacheOnIO( | |
| 541 const base::Closure& completion) { | |
| 542 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 543 | |
| 544 base::ListValue* spdy_server_list = new base::ListValue; | |
| 545 http_server_properties_impl_->GetSpdyServerList( | |
| 546 spdy_server_list, kMaxSupportsSpdyServerHostsToPersist); | |
| 547 | |
| 548 net::SpdySettingsMap* spdy_settings_map = | |
| 549 new net::SpdySettingsMap(kMaxSpdySettingsHostsToPersist); | |
| 550 const net::SpdySettingsMap& main_map = | |
| 551 http_server_properties_impl_->spdy_settings_map(); | |
| 552 int count = 0; | |
| 553 for (net::SpdySettingsMap::const_iterator it = main_map.begin(); | |
| 554 it != main_map.end() && count < kMaxSpdySettingsHostsToPersist; | |
| 555 ++it, ++count) { | |
| 556 spdy_settings_map->Put(it->first, it->second); | |
| 557 } | |
| 558 | |
| 559 net::AlternateProtocolMap* alternate_protocol_map = | |
| 560 new net::AlternateProtocolMap(kMaxAlternateProtocolHostsToPersist); | |
| 561 const net::AlternateProtocolMap& map = | |
| 562 http_server_properties_impl_->alternate_protocol_map(); | |
| 563 count = 0; | |
| 564 typedef std::map<std::string, bool> CanonicalHostPersistedMap; | |
| 565 CanonicalHostPersistedMap persisted_map; | |
| 566 for (net::AlternateProtocolMap::const_iterator it = map.begin(); | |
| 567 it != map.end() && count < kMaxAlternateProtocolHostsToPersist; | |
| 568 ++it) { | |
| 569 const net::HostPortPair& server = it->first; | |
| 570 std::string canonical_suffix = | |
| 571 http_server_properties_impl_->GetCanonicalSuffix(server); | |
| 572 if (!canonical_suffix.empty()) { | |
| 573 if (persisted_map.find(canonical_suffix) != persisted_map.end()) | |
| 574 continue; | |
| 575 persisted_map[canonical_suffix] = true; | |
| 576 } | |
| 577 alternate_protocol_map->Put(server, it->second); | |
| 578 ++count; | |
| 579 } | |
| 580 | |
| 581 // Update the preferences on the UI thread. | |
| 582 BrowserThread::PostTask( | |
| 583 BrowserThread::UI, | |
| 584 FROM_HERE, | |
| 585 base::Bind(&HttpServerPropertiesManager::UpdatePrefsOnUI, | |
| 586 ui_weak_ptr_, | |
| 587 base::Owned(spdy_server_list), | |
| 588 base::Owned(spdy_settings_map), | |
| 589 base::Owned(alternate_protocol_map), | |
| 590 completion)); | |
| 591 } | |
| 592 | |
| 593 // A local or temporary data structure to hold |supports_spdy|, SpdySettings, | |
| 594 // and AlternateProtocolInfo preferences for a server. This is used only in | |
| 595 // UpdatePrefsOnUI. | |
| 596 struct ServerPref { | |
| 597 ServerPref() | |
| 598 : supports_spdy(false), | |
| 599 settings_map(NULL), | |
| 600 alternate_protocol(NULL) { | |
| 601 } | |
| 602 ServerPref(bool supports_spdy, | |
| 603 const net::SettingsMap* settings_map, | |
| 604 const net::AlternateProtocolInfo* alternate_protocol) | |
| 605 : supports_spdy(supports_spdy), | |
| 606 settings_map(settings_map), | |
| 607 alternate_protocol(alternate_protocol) { | |
| 608 } | |
| 609 bool supports_spdy; | |
| 610 const net::SettingsMap* settings_map; | |
| 611 const net::AlternateProtocolInfo* alternate_protocol; | |
| 612 }; | |
| 613 | |
| 614 void HttpServerPropertiesManager::UpdatePrefsOnUI( | |
| 615 base::ListValue* spdy_server_list, | |
| 616 net::SpdySettingsMap* spdy_settings_map, | |
| 617 net::AlternateProtocolMap* alternate_protocol_map, | |
| 618 const base::Closure& completion) { | |
| 619 | |
| 620 typedef std::map<net::HostPortPair, ServerPref> ServerPrefMap; | |
| 621 ServerPrefMap server_pref_map; | |
| 622 | |
| 623 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 624 | |
| 625 // Add servers that support spdy to server_pref_map. | |
| 626 std::string s; | |
| 627 for (base::ListValue::const_iterator list_it = spdy_server_list->begin(); | |
| 628 list_it != spdy_server_list->end(); ++list_it) { | |
| 629 if ((*list_it)->GetAsString(&s)) { | |
| 630 net::HostPortPair server = net::HostPortPair::FromString(s); | |
| 631 | |
| 632 ServerPrefMap::iterator it = server_pref_map.find(server); | |
| 633 if (it == server_pref_map.end()) { | |
| 634 ServerPref server_pref(true, NULL, NULL); | |
| 635 server_pref_map[server] = server_pref; | |
| 636 } else { | |
| 637 it->second.supports_spdy = true; | |
| 638 } | |
| 639 } | |
| 640 } | |
| 641 | |
| 642 // Add servers that have SpdySettings to server_pref_map. | |
| 643 for (net::SpdySettingsMap::iterator map_it = spdy_settings_map->begin(); | |
| 644 map_it != spdy_settings_map->end(); ++map_it) { | |
| 645 const net::HostPortPair& server = map_it->first; | |
| 646 | |
| 647 ServerPrefMap::iterator it = server_pref_map.find(server); | |
| 648 if (it == server_pref_map.end()) { | |
| 649 ServerPref server_pref(false, &map_it->second, NULL); | |
| 650 server_pref_map[server] = server_pref; | |
| 651 } else { | |
| 652 it->second.settings_map = &map_it->second; | |
| 653 } | |
| 654 } | |
| 655 | |
| 656 // Add AlternateProtocol servers to server_pref_map. | |
| 657 for (net::AlternateProtocolMap::const_iterator map_it = | |
| 658 alternate_protocol_map->begin(); | |
| 659 map_it != alternate_protocol_map->end(); ++map_it) { | |
| 660 const net::HostPortPair& server = map_it->first; | |
| 661 const net::AlternateProtocolInfo& port_alternate_protocol = | |
| 662 map_it->second; | |
| 663 if (!net::IsAlternateProtocolValid(port_alternate_protocol.protocol)) { | |
| 664 continue; | |
| 665 } | |
| 666 | |
| 667 ServerPrefMap::iterator it = server_pref_map.find(server); | |
| 668 if (it == server_pref_map.end()) { | |
| 669 ServerPref server_pref(false, NULL, &map_it->second); | |
| 670 server_pref_map[server] = server_pref; | |
| 671 } else { | |
| 672 it->second.alternate_protocol = &map_it->second; | |
| 673 } | |
| 674 } | |
| 675 | |
| 676 // Persist the prefs::kHttpServerProperties. | |
| 677 base::DictionaryValue http_server_properties_dict; | |
| 678 base::DictionaryValue* servers_dict = new base::DictionaryValue; | |
| 679 for (ServerPrefMap::const_iterator map_it = | |
| 680 server_pref_map.begin(); | |
| 681 map_it != server_pref_map.end(); ++map_it) { | |
| 682 const net::HostPortPair& server = map_it->first; | |
| 683 const ServerPref& server_pref = map_it->second; | |
| 684 | |
| 685 base::DictionaryValue* server_pref_dict = new base::DictionaryValue; | |
| 686 | |
| 687 // Save supports_spdy. | |
| 688 if (server_pref.supports_spdy) | |
| 689 server_pref_dict->SetBoolean("supports_spdy", server_pref.supports_spdy); | |
| 690 | |
| 691 // Save SPDY settings. | |
| 692 if (server_pref.settings_map) { | |
| 693 base::DictionaryValue* spdy_settings_dict = new base::DictionaryValue; | |
| 694 for (net::SettingsMap::const_iterator it = | |
| 695 server_pref.settings_map->begin(); | |
| 696 it != server_pref.settings_map->end(); ++it) { | |
| 697 net::SpdySettingsIds id = it->first; | |
| 698 uint32 value = it->second.second; | |
| 699 std::string key = base::StringPrintf("%u", id); | |
| 700 spdy_settings_dict->SetInteger(key, value); | |
| 701 } | |
| 702 server_pref_dict->SetWithoutPathExpansion("settings", spdy_settings_dict); | |
| 703 } | |
| 704 | |
| 705 // Save alternate_protocol. | |
| 706 if (server_pref.alternate_protocol) { | |
| 707 base::DictionaryValue* port_alternate_protocol_dict = | |
| 708 new base::DictionaryValue; | |
| 709 const net::AlternateProtocolInfo* port_alternate_protocol = | |
| 710 server_pref.alternate_protocol; | |
| 711 port_alternate_protocol_dict->SetInteger( | |
| 712 "port", port_alternate_protocol->port); | |
| 713 const char* protocol_str = | |
| 714 net::AlternateProtocolToString(port_alternate_protocol->protocol); | |
| 715 port_alternate_protocol_dict->SetString("protocol_str", protocol_str); | |
| 716 port_alternate_protocol_dict->SetDouble( | |
| 717 "probability", port_alternate_protocol->probability); | |
| 718 server_pref_dict->SetWithoutPathExpansion( | |
| 719 "alternate_protocol", port_alternate_protocol_dict); | |
| 720 } | |
| 721 | |
| 722 servers_dict->SetWithoutPathExpansion(server.ToString(), server_pref_dict); | |
| 723 } | |
| 724 | |
| 725 http_server_properties_dict.SetWithoutPathExpansion("servers", servers_dict); | |
| 726 SetVersion(&http_server_properties_dict, kVersionNumber); | |
| 727 setting_prefs_ = true; | |
| 728 pref_service_->Set(prefs::kHttpServerProperties, | |
| 729 http_server_properties_dict); | |
| 730 setting_prefs_ = false; | |
| 731 | |
| 732 // Note that |completion| will be fired after we have written everything to | |
| 733 // the Preferences, but likely before these changes are serialized to disk. | |
| 734 // This is not a problem though, as JSONPrefStore guarantees that this will | |
| 735 // happen, pretty soon, and even in the case we shut down immediately. | |
| 736 if (!completion.is_null()) | |
| 737 completion.Run(); | |
| 738 } | |
| 739 | |
| 740 void HttpServerPropertiesManager::OnHttpServerPropertiesChanged() { | |
| 741 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 742 if (!setting_prefs_) | |
| 743 ScheduleUpdateCacheOnUI(); | |
| 744 } | |
| 745 | |
| 746 } // namespace chrome_browser_net | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 378823002:
Move http_server_properties_manager from chrome/browser/net to net/http. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master