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| 1 // Copyright (c) 2013 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/quic/quic_config.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 | |
| 9 #include "base/logging.h" | |
| 10 #include "net/quic/crypto/crypto_handshake_message.h" | |
| 11 #include "net/quic/crypto/crypto_protocol.h" | |
| 12 #include "net/quic/quic_utils.h" | |
| 13 | |
| 14 using std::min; | |
| 15 using std::string; | |
| 16 | |
| 17 namespace net { | |
| 18 | |
| 19 // Reads the value corresponding to |name_| from |msg| into |out|. If the | |
| 20 // |name_| is absent in |msg| and |presence| is set to OPTIONAL |out| is set | |
| 21 // to |default_value|. | |
| 22 QuicErrorCode ReadUint32(const CryptoHandshakeMessage& msg, | |
| 23 QuicTag tag, | |
| 24 QuicConfigPresence presence, | |
| 25 uint32 default_value, | |
| 26 uint32* out, | |
| 27 string* error_details) { | |
| 28 DCHECK(error_details != nullptr); | |
| 29 QuicErrorCode error = msg.GetUint32(tag, out); | |
| 30 switch (error) { | |
| 31 case QUIC_CRYPTO_MESSAGE_PARAMETER_NOT_FOUND: | |
| 32 if (presence == PRESENCE_REQUIRED) { | |
| 33 *error_details = "Missing " + QuicUtils::TagToString(tag); | |
| 34 break; | |
| 35 } | |
| 36 error = QUIC_NO_ERROR; | |
| 37 *out = default_value; | |
| 38 break; | |
| 39 case QUIC_NO_ERROR: | |
| 40 break; | |
| 41 default: | |
| 42 *error_details = "Bad " + QuicUtils::TagToString(tag); | |
| 43 break; | |
| 44 } | |
| 45 return error; | |
| 46 } | |
| 47 | |
| 48 | |
| 49 QuicConfigValue::QuicConfigValue(QuicTag tag, | |
| 50 QuicConfigPresence presence) | |
| 51 : tag_(tag), | |
| 52 presence_(presence) { | |
| 53 } | |
| 54 QuicConfigValue::~QuicConfigValue() {} | |
| 55 | |
| 56 QuicNegotiableValue::QuicNegotiableValue(QuicTag tag, | |
| 57 QuicConfigPresence presence) | |
| 58 : QuicConfigValue(tag, presence), | |
| 59 negotiated_(false) { | |
| 60 } | |
| 61 QuicNegotiableValue::~QuicNegotiableValue() {} | |
| 62 | |
| 63 QuicNegotiableUint32::QuicNegotiableUint32(QuicTag tag, | |
| 64 QuicConfigPresence presence) | |
| 65 : QuicNegotiableValue(tag, presence), | |
| 66 max_value_(0), | |
| 67 default_value_(0) { | |
| 68 } | |
| 69 QuicNegotiableUint32::~QuicNegotiableUint32() {} | |
| 70 | |
| 71 void QuicNegotiableUint32::set(uint32 max, uint32 default_value) { | |
| 72 DCHECK_LE(default_value, max); | |
| 73 max_value_ = max; | |
| 74 default_value_ = default_value; | |
| 75 } | |
| 76 | |
| 77 uint32 QuicNegotiableUint32::GetUint32() const { | |
| 78 if (negotiated()) { | |
| 79 return negotiated_value_; | |
| 80 } | |
| 81 return default_value_; | |
| 82 } | |
| 83 | |
| 84 void QuicNegotiableUint32::ToHandshakeMessage( | |
| 85 CryptoHandshakeMessage* out) const { | |
| 86 if (negotiated()) { | |
| 87 out->SetValue(tag_, negotiated_value_); | |
| 88 } else { | |
| 89 out->SetValue(tag_, max_value_); | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 QuicErrorCode QuicNegotiableUint32::ProcessPeerHello( | |
| 94 const CryptoHandshakeMessage& peer_hello, | |
| 95 HelloType hello_type, | |
| 96 string* error_details) { | |
| 97 DCHECK(!negotiated()); | |
| 98 DCHECK(error_details != nullptr); | |
| 99 uint32 value; | |
| 100 QuicErrorCode error = ReadUint32(peer_hello, | |
| 101 tag_, | |
| 102 presence_, | |
| 103 default_value_, | |
| 104 &value, | |
| 105 error_details); | |
| 106 if (error != QUIC_NO_ERROR) { | |
| 107 return error; | |
| 108 } | |
| 109 if (hello_type == SERVER && value > max_value_) { | |
| 110 *error_details = | |
| 111 "Invalid value received for " + QuicUtils::TagToString(tag_); | |
| 112 return QUIC_INVALID_NEGOTIATED_VALUE; | |
| 113 } | |
| 114 | |
| 115 set_negotiated(true); | |
| 116 negotiated_value_ = min(value, max_value_); | |
| 117 return QUIC_NO_ERROR; | |
| 118 } | |
| 119 | |
| 120 QuicNegotiableTag::QuicNegotiableTag(QuicTag tag, QuicConfigPresence presence) | |
| 121 : QuicNegotiableValue(tag, presence), | |
| 122 negotiated_tag_(0), | |
| 123 default_value_(0) { | |
| 124 } | |
| 125 | |
| 126 QuicNegotiableTag::~QuicNegotiableTag() {} | |
| 127 | |
| 128 void QuicNegotiableTag::set(const QuicTagVector& possible, | |
| 129 QuicTag default_value) { | |
| 130 DCHECK(ContainsQuicTag(possible, default_value)); | |
| 131 possible_values_ = possible; | |
| 132 default_value_ = default_value; | |
| 133 } | |
| 134 | |
| 135 QuicTag QuicNegotiableTag::GetTag() const { | |
| 136 if (negotiated()) { | |
| 137 return negotiated_tag_; | |
| 138 } | |
| 139 return default_value_; | |
| 140 } | |
| 141 | |
| 142 void QuicNegotiableTag::ToHandshakeMessage(CryptoHandshakeMessage* out) const { | |
| 143 if (negotiated()) { | |
| 144 // Because of the way we serialize and parse handshake messages we can | |
| 145 // serialize this as value and still parse it as a vector. | |
| 146 out->SetValue(tag_, negotiated_tag_); | |
| 147 } else { | |
| 148 out->SetVector(tag_, possible_values_); | |
| 149 } | |
| 150 } | |
| 151 | |
| 152 QuicErrorCode QuicNegotiableTag::ReadVector( | |
| 153 const CryptoHandshakeMessage& msg, | |
| 154 const QuicTag** out, | |
| 155 size_t* out_length, | |
| 156 string* error_details) const { | |
| 157 DCHECK(error_details != nullptr); | |
| 158 QuicErrorCode error = msg.GetTaglist(tag_, out, out_length); | |
| 159 switch (error) { | |
| 160 case QUIC_CRYPTO_MESSAGE_PARAMETER_NOT_FOUND: | |
| 161 if (presence_ == PRESENCE_REQUIRED) { | |
| 162 *error_details = "Missing " + QuicUtils::TagToString(tag_); | |
| 163 break; | |
| 164 } | |
| 165 error = QUIC_NO_ERROR; | |
| 166 *out_length = 1; | |
| 167 *out = &default_value_; | |
| 168 | |
| 169 case QUIC_NO_ERROR: | |
| 170 break; | |
| 171 default: | |
| 172 *error_details = "Bad " + QuicUtils::TagToString(tag_); | |
| 173 break; | |
| 174 } | |
| 175 return error; | |
| 176 } | |
| 177 | |
| 178 QuicErrorCode QuicNegotiableTag::ProcessPeerHello( | |
| 179 const CryptoHandshakeMessage& peer_hello, | |
| 180 HelloType hello_type, | |
| 181 string* error_details) { | |
| 182 DCHECK(!negotiated()); | |
| 183 DCHECK(error_details != nullptr); | |
| 184 const QuicTag* received_tags; | |
| 185 size_t received_tags_length; | |
| 186 QuicErrorCode error = ReadVector(peer_hello, &received_tags, | |
| 187 &received_tags_length, error_details); | |
| 188 if (error != QUIC_NO_ERROR) { | |
| 189 return error; | |
| 190 } | |
| 191 | |
| 192 if (hello_type == SERVER) { | |
| 193 if (received_tags_length != 1 || | |
| 194 !ContainsQuicTag(possible_values_, *received_tags)) { | |
| 195 *error_details = "Invalid " + QuicUtils::TagToString(tag_); | |
| 196 return QUIC_INVALID_NEGOTIATED_VALUE; | |
| 197 } | |
| 198 negotiated_tag_ = *received_tags; | |
| 199 } else { | |
| 200 QuicTag negotiated_tag; | |
| 201 if (!QuicUtils::FindMutualTag(possible_values_, | |
| 202 received_tags, | |
| 203 received_tags_length, | |
| 204 QuicUtils::LOCAL_PRIORITY, | |
| 205 &negotiated_tag, | |
| 206 nullptr)) { | |
| 207 *error_details = "Unsupported " + QuicUtils::TagToString(tag_); | |
| 208 return QUIC_CRYPTO_MESSAGE_PARAMETER_NO_OVERLAP; | |
| 209 } | |
| 210 negotiated_tag_ = negotiated_tag; | |
| 211 } | |
| 212 | |
| 213 set_negotiated(true); | |
| 214 return QUIC_NO_ERROR; | |
| 215 } | |
| 216 | |
| 217 QuicFixedUint32::QuicFixedUint32(QuicTag tag, QuicConfigPresence presence) | |
| 218 : QuicConfigValue(tag, presence), | |
| 219 has_send_value_(false), | |
| 220 has_receive_value_(false) { | |
| 221 } | |
| 222 QuicFixedUint32::~QuicFixedUint32() {} | |
| 223 | |
| 224 bool QuicFixedUint32::HasSendValue() const { | |
| 225 return has_send_value_; | |
| 226 } | |
| 227 | |
| 228 uint32 QuicFixedUint32::GetSendValue() const { | |
| 229 LOG_IF(DFATAL, !has_send_value_) | |
| 230 << "No send value to get for tag:" << QuicUtils::TagToString(tag_); | |
| 231 return send_value_; | |
| 232 } | |
| 233 | |
| 234 void QuicFixedUint32::SetSendValue(uint32 value) { | |
| 235 has_send_value_ = true; | |
| 236 send_value_ = value; | |
| 237 } | |
| 238 | |
| 239 bool QuicFixedUint32::HasReceivedValue() const { | |
| 240 return has_receive_value_; | |
| 241 } | |
| 242 | |
| 243 uint32 QuicFixedUint32::GetReceivedValue() const { | |
| 244 LOG_IF(DFATAL, !has_receive_value_) | |
| 245 << "No receive value to get for tag:" << QuicUtils::TagToString(tag_); | |
| 246 return receive_value_; | |
| 247 } | |
| 248 | |
| 249 void QuicFixedUint32::SetReceivedValue(uint32 value) { | |
| 250 has_receive_value_ = true; | |
| 251 receive_value_ = value; | |
| 252 } | |
| 253 | |
| 254 void QuicFixedUint32::ToHandshakeMessage(CryptoHandshakeMessage* out) const { | |
| 255 if (has_send_value_) { | |
| 256 out->SetValue(tag_, send_value_); | |
| 257 } | |
| 258 } | |
| 259 | |
| 260 QuicErrorCode QuicFixedUint32::ProcessPeerHello( | |
| 261 const CryptoHandshakeMessage& peer_hello, | |
| 262 HelloType hello_type, | |
| 263 string* error_details) { | |
| 264 DCHECK(error_details != nullptr); | |
| 265 QuicErrorCode error = peer_hello.GetUint32(tag_, &receive_value_); | |
| 266 switch (error) { | |
| 267 case QUIC_CRYPTO_MESSAGE_PARAMETER_NOT_FOUND: | |
| 268 if (presence_ == PRESENCE_OPTIONAL) { | |
| 269 return QUIC_NO_ERROR; | |
| 270 } | |
| 271 *error_details = "Missing " + QuicUtils::TagToString(tag_); | |
| 272 break; | |
| 273 case QUIC_NO_ERROR: | |
| 274 has_receive_value_ = true; | |
| 275 break; | |
| 276 default: | |
| 277 *error_details = "Bad " + QuicUtils::TagToString(tag_); | |
| 278 break; | |
| 279 } | |
| 280 return error; | |
| 281 } | |
| 282 | |
| 283 QuicFixedTag::QuicFixedTag(QuicTag name, | |
| 284 QuicConfigPresence presence) | |
| 285 : QuicConfigValue(name, presence), | |
| 286 has_send_value_(false), | |
| 287 has_receive_value_(false) { | |
| 288 } | |
| 289 | |
| 290 QuicFixedTag::~QuicFixedTag() {} | |
| 291 | |
| 292 bool QuicFixedTag::HasSendValue() const { | |
| 293 return has_send_value_; | |
| 294 } | |
| 295 | |
| 296 uint32 QuicFixedTag::GetSendValue() const { | |
| 297 LOG_IF(DFATAL, !has_send_value_) | |
| 298 << "No send value to get for tag:" << QuicUtils::TagToString(tag_); | |
| 299 return send_value_; | |
| 300 } | |
| 301 | |
| 302 void QuicFixedTag::SetSendValue(uint32 value) { | |
| 303 has_send_value_ = true; | |
| 304 send_value_ = value; | |
| 305 } | |
| 306 | |
| 307 bool QuicFixedTag::HasReceivedValue() const { | |
| 308 return has_receive_value_; | |
| 309 } | |
| 310 | |
| 311 uint32 QuicFixedTag::GetReceivedValue() const { | |
| 312 LOG_IF(DFATAL, !has_receive_value_) | |
| 313 << "No receive value to get for tag:" << QuicUtils::TagToString(tag_); | |
| 314 return receive_value_; | |
| 315 } | |
| 316 | |
| 317 void QuicFixedTag::SetReceivedValue(uint32 value) { | |
| 318 has_receive_value_ = true; | |
| 319 receive_value_ = value; | |
| 320 } | |
| 321 | |
| 322 void QuicFixedTag::ToHandshakeMessage(CryptoHandshakeMessage* out) const { | |
| 323 if (has_send_value_) { | |
| 324 out->SetValue(tag_, send_value_); | |
| 325 } | |
| 326 } | |
| 327 | |
| 328 QuicErrorCode QuicFixedTag::ProcessPeerHello( | |
| 329 const CryptoHandshakeMessage& peer_hello, | |
| 330 HelloType hello_type, | |
| 331 string* error_details) { | |
| 332 DCHECK(error_details != nullptr); | |
| 333 QuicErrorCode error = peer_hello.GetUint32(tag_, &receive_value_); | |
| 334 switch (error) { | |
| 335 case QUIC_CRYPTO_MESSAGE_PARAMETER_NOT_FOUND: | |
| 336 if (presence_ == PRESENCE_OPTIONAL) { | |
| 337 return QUIC_NO_ERROR; | |
| 338 } | |
| 339 *error_details = "Missing " + QuicUtils::TagToString(tag_); | |
| 340 break; | |
| 341 case QUIC_NO_ERROR: | |
| 342 has_receive_value_ = true; | |
| 343 break; | |
| 344 default: | |
| 345 *error_details = "Bad " + QuicUtils::TagToString(tag_); | |
| 346 break; | |
| 347 } | |
| 348 return error; | |
| 349 } | |
| 350 | |
| 351 QuicFixedTagVector::QuicFixedTagVector(QuicTag name, | |
| 352 QuicConfigPresence presence) | |
| 353 : QuicConfigValue(name, presence), | |
| 354 has_send_values_(false), | |
| 355 has_receive_values_(false) { | |
| 356 } | |
| 357 | |
| 358 QuicFixedTagVector::~QuicFixedTagVector() {} | |
| 359 | |
| 360 bool QuicFixedTagVector::HasSendValues() const { | |
| 361 return has_send_values_; | |
| 362 } | |
| 363 | |
| 364 QuicTagVector QuicFixedTagVector::GetSendValues() const { | |
| 365 LOG_IF(DFATAL, !has_send_values_) | |
| 366 << "No send values to get for tag:" << QuicUtils::TagToString(tag_); | |
| 367 return send_values_; | |
| 368 } | |
| 369 | |
| 370 void QuicFixedTagVector::SetSendValues(const QuicTagVector& values) { | |
| 371 has_send_values_ = true; | |
| 372 send_values_ = values; | |
| 373 } | |
| 374 | |
| 375 bool QuicFixedTagVector::HasReceivedValues() const { | |
| 376 return has_receive_values_; | |
| 377 } | |
| 378 | |
| 379 QuicTagVector QuicFixedTagVector::GetReceivedValues() const { | |
| 380 LOG_IF(DFATAL, !has_receive_values_) | |
| 381 << "No receive value to get for tag:" << QuicUtils::TagToString(tag_); | |
| 382 return receive_values_; | |
| 383 } | |
| 384 | |
| 385 void QuicFixedTagVector::SetReceivedValues(const QuicTagVector& values) { | |
| 386 has_receive_values_ = true; | |
| 387 receive_values_ = values; | |
| 388 } | |
| 389 | |
| 390 void QuicFixedTagVector::ToHandshakeMessage(CryptoHandshakeMessage* out) const { | |
| 391 if (has_send_values_) { | |
| 392 out->SetVector(tag_, send_values_); | |
| 393 } | |
| 394 } | |
| 395 | |
| 396 QuicErrorCode QuicFixedTagVector::ProcessPeerHello( | |
| 397 const CryptoHandshakeMessage& peer_hello, | |
| 398 HelloType hello_type, | |
| 399 string* error_details) { | |
| 400 DCHECK(error_details != nullptr); | |
| 401 const QuicTag* received_tags; | |
| 402 size_t received_tags_length; | |
| 403 QuicErrorCode error = | |
| 404 peer_hello.GetTaglist(tag_, &received_tags, &received_tags_length); | |
| 405 switch (error) { | |
| 406 case QUIC_CRYPTO_MESSAGE_PARAMETER_NOT_FOUND: | |
| 407 if (presence_ == PRESENCE_OPTIONAL) { | |
| 408 return QUIC_NO_ERROR; | |
| 409 } | |
| 410 *error_details = "Missing " + QuicUtils::TagToString(tag_); | |
| 411 break; | |
| 412 case QUIC_NO_ERROR: | |
| 413 DVLOG(1) << "Received Connection Option tags from receiver."; | |
| 414 has_receive_values_ = true; | |
| 415 for (size_t i = 0; i < received_tags_length; ++i) { | |
| 416 receive_values_.push_back(received_tags[i]); | |
| 417 } | |
| 418 break; | |
| 419 default: | |
| 420 *error_details = "Bad " + QuicUtils::TagToString(tag_); | |
| 421 break; | |
| 422 } | |
| 423 return error; | |
| 424 } | |
| 425 | |
| 426 QuicConfig::QuicConfig() | |
| 427 : max_time_before_crypto_handshake_(QuicTime::Delta::Zero()), | |
| 428 max_idle_time_before_crypto_handshake_(QuicTime::Delta::Zero()), | |
| 429 max_undecryptable_packets_(0), | |
| 430 congestion_feedback_(kCGST, PRESENCE_OPTIONAL), | |
| 431 connection_options_(kCOPT, PRESENCE_OPTIONAL), | |
| 432 idle_connection_state_lifetime_seconds_(kICSL, PRESENCE_REQUIRED), | |
| 433 silent_close_(kSCLS, PRESENCE_OPTIONAL), | |
| 434 max_streams_per_connection_(kMSPC, PRESENCE_REQUIRED), | |
| 435 bytes_for_connection_id_(kTCID, PRESENCE_OPTIONAL), | |
| 436 initial_round_trip_time_us_(kIRTT, PRESENCE_OPTIONAL), | |
| 437 initial_stream_flow_control_window_bytes_(kSFCW, PRESENCE_OPTIONAL), | |
| 438 initial_session_flow_control_window_bytes_(kCFCW, PRESENCE_OPTIONAL), | |
| 439 socket_receive_buffer_(kSRBF, PRESENCE_OPTIONAL) { | |
| 440 SetDefaults(); | |
| 441 } | |
| 442 | |
| 443 QuicConfig::~QuicConfig() {} | |
| 444 | |
| 445 void QuicConfig::SetConnectionOptionsToSend( | |
| 446 const QuicTagVector& connection_options) { | |
| 447 connection_options_.SetSendValues(connection_options); | |
| 448 } | |
| 449 | |
| 450 bool QuicConfig::HasReceivedConnectionOptions() const { | |
| 451 return connection_options_.HasReceivedValues(); | |
| 452 } | |
| 453 | |
| 454 QuicTagVector QuicConfig::ReceivedConnectionOptions() const { | |
| 455 return connection_options_.GetReceivedValues(); | |
| 456 } | |
| 457 | |
| 458 bool QuicConfig::HasSendConnectionOptions() const { | |
| 459 return connection_options_.HasSendValues(); | |
| 460 } | |
| 461 | |
| 462 QuicTagVector QuicConfig::SendConnectionOptions() const { | |
| 463 return connection_options_.GetSendValues(); | |
| 464 } | |
| 465 | |
| 466 void QuicConfig::SetIdleConnectionStateLifetime( | |
| 467 QuicTime::Delta max_idle_connection_state_lifetime, | |
| 468 QuicTime::Delta default_idle_conection_state_lifetime) { | |
| 469 idle_connection_state_lifetime_seconds_.set( | |
| 470 static_cast<uint32>(max_idle_connection_state_lifetime.ToSeconds()), | |
| 471 static_cast<uint32>(default_idle_conection_state_lifetime.ToSeconds())); | |
| 472 } | |
| 473 | |
| 474 QuicTime::Delta QuicConfig::IdleConnectionStateLifetime() const { | |
| 475 return QuicTime::Delta::FromSeconds( | |
| 476 idle_connection_state_lifetime_seconds_.GetUint32()); | |
| 477 } | |
| 478 | |
| 479 void QuicConfig::SetSilentClose(bool silent_close) { | |
| 480 silent_close_.set(silent_close ? 1 : 0, silent_close ? 1 : 0); | |
| 481 } | |
| 482 | |
| 483 bool QuicConfig::SilentClose() const { | |
| 484 return silent_close_.GetUint32() > 0; | |
| 485 } | |
| 486 | |
| 487 void QuicConfig::SetMaxStreamsPerConnection(size_t max_streams, | |
| 488 size_t default_streams) { | |
| 489 max_streams_per_connection_.set(max_streams, default_streams); | |
| 490 } | |
| 491 | |
| 492 uint32 QuicConfig::MaxStreamsPerConnection() const { | |
| 493 return max_streams_per_connection_.GetUint32(); | |
| 494 } | |
| 495 | |
| 496 bool QuicConfig::HasSetBytesForConnectionIdToSend() const { | |
| 497 return bytes_for_connection_id_.HasSendValue(); | |
| 498 } | |
| 499 | |
| 500 void QuicConfig::SetBytesForConnectionIdToSend(uint32 bytes) { | |
| 501 bytes_for_connection_id_.SetSendValue(bytes); | |
| 502 } | |
| 503 | |
| 504 bool QuicConfig::HasReceivedBytesForConnectionId() const { | |
| 505 return bytes_for_connection_id_.HasReceivedValue(); | |
| 506 } | |
| 507 | |
| 508 uint32 QuicConfig::ReceivedBytesForConnectionId() const { | |
| 509 return bytes_for_connection_id_.GetReceivedValue(); | |
| 510 } | |
| 511 | |
| 512 void QuicConfig::SetInitialRoundTripTimeUsToSend(uint32 rtt) { | |
| 513 initial_round_trip_time_us_.SetSendValue(rtt); | |
| 514 } | |
| 515 | |
| 516 bool QuicConfig::HasReceivedInitialRoundTripTimeUs() const { | |
| 517 return initial_round_trip_time_us_.HasReceivedValue(); | |
| 518 } | |
| 519 | |
| 520 uint32 QuicConfig::ReceivedInitialRoundTripTimeUs() const { | |
| 521 return initial_round_trip_time_us_.GetReceivedValue(); | |
| 522 } | |
| 523 | |
| 524 bool QuicConfig::HasInitialRoundTripTimeUsToSend() const { | |
| 525 return initial_round_trip_time_us_.HasSendValue(); | |
| 526 } | |
| 527 | |
| 528 uint32 QuicConfig::GetInitialRoundTripTimeUsToSend() const { | |
| 529 return initial_round_trip_time_us_.GetSendValue(); | |
| 530 } | |
| 531 | |
| 532 void QuicConfig::SetInitialStreamFlowControlWindowToSend(uint32 window_bytes) { | |
| 533 if (window_bytes < kMinimumFlowControlSendWindow) { | |
| 534 LOG(DFATAL) << "Initial stream flow control receive window (" | |
| 535 << window_bytes << ") cannot be set lower than default (" | |
| 536 << kMinimumFlowControlSendWindow << ")."; | |
| 537 window_bytes = kMinimumFlowControlSendWindow; | |
| 538 } | |
| 539 initial_stream_flow_control_window_bytes_.SetSendValue(window_bytes); | |
| 540 } | |
| 541 | |
| 542 uint32 QuicConfig::GetInitialStreamFlowControlWindowToSend() const { | |
| 543 return initial_stream_flow_control_window_bytes_.GetSendValue(); | |
| 544 } | |
| 545 | |
| 546 bool QuicConfig::HasReceivedInitialStreamFlowControlWindowBytes() const { | |
| 547 return initial_stream_flow_control_window_bytes_.HasReceivedValue(); | |
| 548 } | |
| 549 | |
| 550 uint32 QuicConfig::ReceivedInitialStreamFlowControlWindowBytes() const { | |
| 551 return initial_stream_flow_control_window_bytes_.GetReceivedValue(); | |
| 552 } | |
| 553 | |
| 554 void QuicConfig::SetInitialSessionFlowControlWindowToSend(uint32 window_bytes) { | |
| 555 if (window_bytes < kMinimumFlowControlSendWindow) { | |
| 556 LOG(DFATAL) << "Initial session flow control receive window (" | |
| 557 << window_bytes << ") cannot be set lower than default (" | |
| 558 << kMinimumFlowControlSendWindow << ")."; | |
| 559 window_bytes = kMinimumFlowControlSendWindow; | |
| 560 } | |
| 561 initial_session_flow_control_window_bytes_.SetSendValue(window_bytes); | |
| 562 } | |
| 563 | |
| 564 uint32 QuicConfig::GetInitialSessionFlowControlWindowToSend() const { | |
| 565 return initial_session_flow_control_window_bytes_.GetSendValue(); | |
| 566 } | |
| 567 | |
| 568 bool QuicConfig::HasReceivedInitialSessionFlowControlWindowBytes() const { | |
| 569 return initial_session_flow_control_window_bytes_.HasReceivedValue(); | |
| 570 } | |
| 571 | |
| 572 uint32 QuicConfig::ReceivedInitialSessionFlowControlWindowBytes() const { | |
| 573 return initial_session_flow_control_window_bytes_.GetReceivedValue(); | |
| 574 } | |
| 575 | |
| 576 void QuicConfig::SetSocketReceiveBufferToSend(uint32 tcp_receive_window) { | |
| 577 socket_receive_buffer_.SetSendValue(tcp_receive_window); | |
| 578 } | |
| 579 | |
| 580 uint32 QuicConfig::GetSocketReceiveBufferToSend() const { | |
| 581 return socket_receive_buffer_.GetSendValue(); | |
| 582 } | |
| 583 | |
| 584 bool QuicConfig::HasReceivedSocketReceiveBuffer() const { | |
| 585 return socket_receive_buffer_.HasReceivedValue(); | |
| 586 } | |
| 587 | |
| 588 uint32 QuicConfig::ReceivedSocketReceiveBuffer() const { | |
| 589 return socket_receive_buffer_.GetReceivedValue(); | |
| 590 } | |
| 591 | |
| 592 bool QuicConfig::negotiated() const { | |
| 593 // TODO(ianswett): Add the negotiated parameters once and iterate over all | |
| 594 // of them in negotiated, ToHandshakeMessage, ProcessClientHello, and | |
| 595 // ProcessServerHello. | |
| 596 return idle_connection_state_lifetime_seconds_.negotiated() && | |
| 597 max_streams_per_connection_.negotiated(); | |
| 598 } | |
| 599 | |
| 600 void QuicConfig::SetDefaults() { | |
| 601 QuicTagVector congestion_feedback; | |
| 602 // TODO(alyssar) stop sending this once QUIC_VERSION_23 is sunset. | |
| 603 // This field was required until version 22 was removed but by the time | |
| 604 // QUIC_VERSION_23 is sunset, no users of QUIC_VERSION_24 should be expecting | |
| 605 // it. | |
| 606 congestion_feedback.push_back(kQBIC); | |
| 607 congestion_feedback_.set(congestion_feedback, kQBIC); | |
| 608 idle_connection_state_lifetime_seconds_.set(kMaximumIdleTimeoutSecs, | |
| 609 kDefaultIdleTimeoutSecs); | |
| 610 silent_close_.set(1, 0); | |
| 611 SetMaxStreamsPerConnection(kDefaultMaxStreamsPerConnection, | |
| 612 kDefaultMaxStreamsPerConnection); | |
| 613 max_time_before_crypto_handshake_ = | |
| 614 QuicTime::Delta::FromSeconds(kMaxTimeForCryptoHandshakeSecs); | |
| 615 max_idle_time_before_crypto_handshake_ = | |
| 616 QuicTime::Delta::FromSeconds(kInitialIdleTimeoutSecs); | |
| 617 max_undecryptable_packets_ = kDefaultMaxUndecryptablePackets; | |
| 618 | |
| 619 SetInitialStreamFlowControlWindowToSend(kMinimumFlowControlSendWindow); | |
| 620 SetInitialSessionFlowControlWindowToSend(kMinimumFlowControlSendWindow); | |
| 621 } | |
| 622 | |
| 623 void QuicConfig::ToHandshakeMessage(CryptoHandshakeMessage* out) const { | |
| 624 congestion_feedback_.ToHandshakeMessage(out); | |
| 625 idle_connection_state_lifetime_seconds_.ToHandshakeMessage(out); | |
| 626 silent_close_.ToHandshakeMessage(out); | |
| 627 max_streams_per_connection_.ToHandshakeMessage(out); | |
| 628 bytes_for_connection_id_.ToHandshakeMessage(out); | |
| 629 initial_round_trip_time_us_.ToHandshakeMessage(out); | |
| 630 initial_stream_flow_control_window_bytes_.ToHandshakeMessage(out); | |
| 631 initial_session_flow_control_window_bytes_.ToHandshakeMessage(out); | |
| 632 socket_receive_buffer_.ToHandshakeMessage(out); | |
| 633 connection_options_.ToHandshakeMessage(out); | |
| 634 } | |
| 635 | |
| 636 QuicErrorCode QuicConfig::ProcessPeerHello( | |
| 637 const CryptoHandshakeMessage& peer_hello, | |
| 638 HelloType hello_type, | |
| 639 string* error_details) { | |
| 640 DCHECK(error_details != nullptr); | |
| 641 | |
| 642 QuicErrorCode error = QUIC_NO_ERROR; | |
| 643 if (error == QUIC_NO_ERROR) { | |
| 644 error = idle_connection_state_lifetime_seconds_.ProcessPeerHello( | |
| 645 peer_hello, hello_type, error_details); | |
| 646 } | |
| 647 if (error == QUIC_NO_ERROR) { | |
| 648 error = | |
| 649 silent_close_.ProcessPeerHello(peer_hello, hello_type, error_details); | |
| 650 } | |
| 651 if (error == QUIC_NO_ERROR) { | |
| 652 error = max_streams_per_connection_.ProcessPeerHello( | |
| 653 peer_hello, hello_type, error_details); | |
| 654 } | |
| 655 if (error == QUIC_NO_ERROR) { | |
| 656 error = bytes_for_connection_id_.ProcessPeerHello( | |
| 657 peer_hello, hello_type, error_details); | |
| 658 } | |
| 659 if (error == QUIC_NO_ERROR) { | |
| 660 error = initial_round_trip_time_us_.ProcessPeerHello( | |
| 661 peer_hello, hello_type, error_details); | |
| 662 } | |
| 663 if (error == QUIC_NO_ERROR) { | |
| 664 error = initial_stream_flow_control_window_bytes_.ProcessPeerHello( | |
| 665 peer_hello, hello_type, error_details); | |
| 666 } | |
| 667 if (error == QUIC_NO_ERROR) { | |
| 668 error = initial_session_flow_control_window_bytes_.ProcessPeerHello( | |
| 669 peer_hello, hello_type, error_details); | |
| 670 } | |
| 671 if (error == QUIC_NO_ERROR) { | |
| 672 error = socket_receive_buffer_.ProcessPeerHello( | |
| 673 peer_hello, hello_type, error_details); | |
| 674 } | |
| 675 if (error == QUIC_NO_ERROR) { | |
| 676 error = connection_options_.ProcessPeerHello( | |
| 677 peer_hello, hello_type, error_details); | |
| 678 } | |
| 679 return error; | |
| 680 } | |
| 681 | |
| 682 } // 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