| 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 "net/quic/core/quic_protocol.h" | |
| 6 | |
| 7 #include "base/memory/ptr_util.h" | |
| 8 #include "base/strings/string_number_conversions.h" | |
| 9 #include "net/quic/core/quic_flags.h" | |
| 10 #include "net/quic/core/quic_utils.h" | |
| 11 #include "net/quic/core/quic_versions.h" | |
| 12 | |
| 13 using base::StringPiece; | |
| 14 using std::map; | |
| 15 using std::numeric_limits; | |
| 16 using std::ostream; | |
| 17 using std::string; | |
| 18 | |
| 19 namespace net { | |
| 20 | |
| 21 size_t GetPacketHeaderSize(QuicVersion version, | |
| 22 const QuicPacketHeader& header) { | |
| 23 return GetPacketHeaderSize(version, header.public_header.connection_id_length, | |
| 24 header.public_header.version_flag, | |
| 25 header.public_header.multipath_flag, | |
| 26 header.public_header.nonce != nullptr, | |
| 27 header.public_header.packet_number_length); | |
| 28 } | |
| 29 | |
| 30 size_t GetPacketHeaderSize(QuicVersion version, | |
| 31 QuicConnectionIdLength connection_id_length, | |
| 32 bool include_version, | |
| 33 bool include_path_id, | |
| 34 bool include_diversification_nonce, | |
| 35 QuicPacketNumberLength packet_number_length) { | |
| 36 return kPublicFlagsSize + connection_id_length + | |
| 37 (include_version ? kQuicVersionSize : 0) + | |
| 38 (include_path_id ? kQuicPathIdSize : 0) + packet_number_length + | |
| 39 (include_diversification_nonce ? kDiversificationNonceSize : 0); | |
| 40 } | |
| 41 | |
| 42 size_t GetStartOfEncryptedData(QuicVersion version, | |
| 43 const QuicPacketHeader& header) { | |
| 44 return GetPacketHeaderSize(version, header); | |
| 45 } | |
| 46 | |
| 47 size_t GetStartOfEncryptedData(QuicVersion version, | |
| 48 QuicConnectionIdLength connection_id_length, | |
| 49 bool include_version, | |
| 50 bool include_path_id, | |
| 51 bool include_diversification_nonce, | |
| 52 QuicPacketNumberLength packet_number_length) { | |
| 53 // Encryption starts before private flags. | |
| 54 return GetPacketHeaderSize(version, connection_id_length, include_version, | |
| 55 include_path_id, include_diversification_nonce, | |
| 56 packet_number_length); | |
| 57 } | |
| 58 | |
| 59 QuicPacketPublicHeader::QuicPacketPublicHeader() | |
| 60 : connection_id(0), | |
| 61 connection_id_length(PACKET_8BYTE_CONNECTION_ID), | |
| 62 multipath_flag(false), | |
| 63 reset_flag(false), | |
| 64 version_flag(false), | |
| 65 packet_number_length(PACKET_6BYTE_PACKET_NUMBER), | |
| 66 nonce(nullptr) {} | |
| 67 | |
| 68 QuicPacketPublicHeader::QuicPacketPublicHeader( | |
| 69 const QuicPacketPublicHeader& other) = default; | |
| 70 | |
| 71 QuicPacketPublicHeader::~QuicPacketPublicHeader() {} | |
| 72 | |
| 73 QuicPacketHeader::QuicPacketHeader() | |
| 74 : packet_number(0), path_id(kDefaultPathId) {} | |
| 75 | |
| 76 QuicPacketHeader::QuicPacketHeader(const QuicPacketPublicHeader& header) | |
| 77 : public_header(header), packet_number(0), path_id(kDefaultPathId) {} | |
| 78 | |
| 79 QuicPacketHeader::QuicPacketHeader(const QuicPacketHeader& other) = default; | |
| 80 | |
| 81 QuicPublicResetPacket::QuicPublicResetPacket() | |
| 82 : nonce_proof(0), rejected_packet_number(0) {} | |
| 83 | |
| 84 QuicPublicResetPacket::QuicPublicResetPacket( | |
| 85 const QuicPacketPublicHeader& header) | |
| 86 : public_header(header), nonce_proof(0), rejected_packet_number(0) {} | |
| 87 | |
| 88 void StreamBufferDeleter::operator()(char* buffer) const { | |
| 89 if (allocator_ != nullptr && buffer != nullptr) { | |
| 90 allocator_->Delete(buffer); | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 UniqueStreamBuffer NewStreamBuffer(QuicBufferAllocator* allocator, | |
| 95 size_t size) { | |
| 96 return UniqueStreamBuffer(allocator->New(size), | |
| 97 StreamBufferDeleter(allocator)); | |
| 98 } | |
| 99 | |
| 100 QuicStreamFrame::QuicStreamFrame() | |
| 101 : QuicStreamFrame(0, false, 0, nullptr, 0, nullptr) {} | |
| 102 | |
| 103 QuicStreamFrame::QuicStreamFrame(QuicStreamId stream_id, | |
| 104 bool fin, | |
| 105 QuicStreamOffset offset, | |
| 106 StringPiece data) | |
| 107 : QuicStreamFrame(stream_id, | |
| 108 fin, | |
| 109 offset, | |
| 110 data.data(), | |
| 111 data.length(), | |
| 112 nullptr) {} | |
| 113 | |
| 114 QuicStreamFrame::QuicStreamFrame(QuicStreamId stream_id, | |
| 115 bool fin, | |
| 116 QuicStreamOffset offset, | |
| 117 QuicPacketLength data_length, | |
| 118 UniqueStreamBuffer buffer) | |
| 119 : QuicStreamFrame(stream_id, | |
| 120 fin, | |
| 121 offset, | |
| 122 nullptr, | |
| 123 data_length, | |
| 124 std::move(buffer)) { | |
| 125 DCHECK(this->buffer != nullptr); | |
| 126 DCHECK_EQ(data_buffer, this->buffer.get()); | |
| 127 } | |
| 128 | |
| 129 QuicStreamFrame::QuicStreamFrame(QuicStreamId stream_id, | |
| 130 bool fin, | |
| 131 QuicStreamOffset offset, | |
| 132 const char* data_buffer, | |
| 133 QuicPacketLength data_length, | |
| 134 UniqueStreamBuffer buffer) | |
| 135 : stream_id(stream_id), | |
| 136 fin(fin), | |
| 137 data_length(data_length), | |
| 138 data_buffer(data_buffer), | |
| 139 offset(offset), | |
| 140 buffer(std::move(buffer)) { | |
| 141 if (this->buffer != nullptr) { | |
| 142 DCHECK(data_buffer == nullptr); | |
| 143 this->data_buffer = this->buffer.get(); | |
| 144 } | |
| 145 } | |
| 146 | |
| 147 QuicStreamFrame::~QuicStreamFrame() {} | |
| 148 | |
| 149 ostream& operator<<(ostream& os, const QuicPacketHeader& header) { | |
| 150 os << "{ connection_id: " << header.public_header.connection_id | |
| 151 << ", connection_id_length: " << header.public_header.connection_id_length | |
| 152 << ", packet_number_length: " << header.public_header.packet_number_length | |
| 153 << ", multipath_flag: " << header.public_header.multipath_flag | |
| 154 << ", reset_flag: " << header.public_header.reset_flag | |
| 155 << ", version_flag: " << header.public_header.version_flag; | |
| 156 if (header.public_header.version_flag) { | |
| 157 os << ", version:"; | |
| 158 for (size_t i = 0; i < header.public_header.versions.size(); ++i) { | |
| 159 os << " "; | |
| 160 os << QuicVersionToString(header.public_header.versions[i]); | |
| 161 } | |
| 162 } | |
| 163 if (header.public_header.nonce != nullptr) { | |
| 164 os << ", diversification_nonce: " | |
| 165 << QuicUtils::HexEncode(StringPiece(header.public_header.nonce->data(), | |
| 166 header.public_header.nonce->size())); | |
| 167 } | |
| 168 os << ", path_id: " << static_cast<int>(header.path_id) | |
| 169 << ", packet_number: " << header.packet_number << " }\n"; | |
| 170 return os; | |
| 171 } | |
| 172 | |
| 173 bool IsAwaitingPacket(const QuicAckFrame& ack_frame, | |
| 174 QuicPacketNumber packet_number, | |
| 175 QuicPacketNumber peer_least_packet_awaiting_ack) { | |
| 176 return packet_number >= peer_least_packet_awaiting_ack && | |
| 177 !ack_frame.packets.Contains(packet_number); | |
| 178 } | |
| 179 | |
| 180 QuicStopWaitingFrame::QuicStopWaitingFrame() | |
| 181 : path_id(kDefaultPathId), least_unacked(0) {} | |
| 182 | |
| 183 QuicStopWaitingFrame::~QuicStopWaitingFrame() {} | |
| 184 | |
| 185 QuicAckFrame::QuicAckFrame() | |
| 186 : largest_observed(0), | |
| 187 ack_delay_time(QuicTime::Delta::Infinite()), | |
| 188 path_id(kDefaultPathId) {} | |
| 189 | |
| 190 QuicAckFrame::QuicAckFrame(const QuicAckFrame& other) = default; | |
| 191 | |
| 192 QuicAckFrame::~QuicAckFrame() {} | |
| 193 | |
| 194 QuicRstStreamFrame::QuicRstStreamFrame() | |
| 195 : stream_id(0), error_code(QUIC_STREAM_NO_ERROR), byte_offset(0) {} | |
| 196 | |
| 197 QuicRstStreamFrame::QuicRstStreamFrame(QuicStreamId stream_id, | |
| 198 QuicRstStreamErrorCode error_code, | |
| 199 QuicStreamOffset bytes_written) | |
| 200 : stream_id(stream_id), | |
| 201 error_code(error_code), | |
| 202 byte_offset(bytes_written) {} | |
| 203 | |
| 204 QuicConnectionCloseFrame::QuicConnectionCloseFrame() | |
| 205 : error_code(QUIC_NO_ERROR) {} | |
| 206 | |
| 207 QuicFrame::QuicFrame() {} | |
| 208 | |
| 209 QuicFrame::QuicFrame(QuicPaddingFrame padding_frame) | |
| 210 : type(PADDING_FRAME), padding_frame(padding_frame) {} | |
| 211 | |
| 212 QuicFrame::QuicFrame(QuicStreamFrame* stream_frame) | |
| 213 : type(STREAM_FRAME), stream_frame(stream_frame) {} | |
| 214 | |
| 215 QuicFrame::QuicFrame(QuicAckFrame* frame) : type(ACK_FRAME), ack_frame(frame) {} | |
| 216 | |
| 217 QuicFrame::QuicFrame(QuicMtuDiscoveryFrame frame) | |
| 218 : type(MTU_DISCOVERY_FRAME), mtu_discovery_frame(frame) {} | |
| 219 | |
| 220 QuicFrame::QuicFrame(QuicStopWaitingFrame* frame) | |
| 221 : type(STOP_WAITING_FRAME), stop_waiting_frame(frame) {} | |
| 222 | |
| 223 QuicFrame::QuicFrame(QuicPingFrame frame) | |
| 224 : type(PING_FRAME), ping_frame(frame) {} | |
| 225 | |
| 226 QuicFrame::QuicFrame(QuicRstStreamFrame* frame) | |
| 227 : type(RST_STREAM_FRAME), rst_stream_frame(frame) {} | |
| 228 | |
| 229 QuicFrame::QuicFrame(QuicConnectionCloseFrame* frame) | |
| 230 : type(CONNECTION_CLOSE_FRAME), connection_close_frame(frame) {} | |
| 231 | |
| 232 QuicFrame::QuicFrame(QuicGoAwayFrame* frame) | |
| 233 : type(GOAWAY_FRAME), goaway_frame(frame) {} | |
| 234 | |
| 235 QuicFrame::QuicFrame(QuicWindowUpdateFrame* frame) | |
| 236 : type(WINDOW_UPDATE_FRAME), window_update_frame(frame) {} | |
| 237 | |
| 238 QuicFrame::QuicFrame(QuicBlockedFrame* frame) | |
| 239 : type(BLOCKED_FRAME), blocked_frame(frame) {} | |
| 240 | |
| 241 QuicFrame::QuicFrame(QuicPathCloseFrame* frame) | |
| 242 : type(PATH_CLOSE_FRAME), path_close_frame(frame) {} | |
| 243 | |
| 244 void DeleteFrames(QuicFrames* frames) { | |
| 245 for (QuicFrame& frame : *frames) { | |
| 246 switch (frame.type) { | |
| 247 // Frames smaller than a pointer are inlined, so don't need to be deleted. | |
| 248 case PADDING_FRAME: | |
| 249 case MTU_DISCOVERY_FRAME: | |
| 250 case PING_FRAME: | |
| 251 break; | |
| 252 case STREAM_FRAME: | |
| 253 delete frame.stream_frame; | |
| 254 break; | |
| 255 case ACK_FRAME: | |
| 256 delete frame.ack_frame; | |
| 257 break; | |
| 258 case STOP_WAITING_FRAME: | |
| 259 delete frame.stop_waiting_frame; | |
| 260 break; | |
| 261 case RST_STREAM_FRAME: | |
| 262 delete frame.rst_stream_frame; | |
| 263 break; | |
| 264 case CONNECTION_CLOSE_FRAME: | |
| 265 delete frame.connection_close_frame; | |
| 266 break; | |
| 267 case GOAWAY_FRAME: | |
| 268 delete frame.goaway_frame; | |
| 269 break; | |
| 270 case BLOCKED_FRAME: | |
| 271 delete frame.blocked_frame; | |
| 272 break; | |
| 273 case WINDOW_UPDATE_FRAME: | |
| 274 delete frame.window_update_frame; | |
| 275 break; | |
| 276 case PATH_CLOSE_FRAME: | |
| 277 delete frame.path_close_frame; | |
| 278 break; | |
| 279 case NUM_FRAME_TYPES: | |
| 280 DCHECK(false) << "Cannot delete type: " << frame.type; | |
| 281 } | |
| 282 } | |
| 283 frames->clear(); | |
| 284 } | |
| 285 | |
| 286 void RemoveFramesForStream(QuicFrames* frames, QuicStreamId stream_id) { | |
| 287 QuicFrames::iterator it = frames->begin(); | |
| 288 while (it != frames->end()) { | |
| 289 if (it->type != STREAM_FRAME || it->stream_frame->stream_id != stream_id) { | |
| 290 ++it; | |
| 291 continue; | |
| 292 } | |
| 293 delete it->stream_frame; | |
| 294 it = frames->erase(it); | |
| 295 } | |
| 296 } | |
| 297 | |
| 298 ostream& operator<<(ostream& os, const QuicStopWaitingFrame& sent_info) { | |
| 299 os << "{ least_unacked: " << sent_info.least_unacked << " }\n"; | |
| 300 return os; | |
| 301 } | |
| 302 | |
| 303 PacketNumberQueue::PacketNumberQueue() = default; | |
| 304 PacketNumberQueue::PacketNumberQueue(const PacketNumberQueue& other) = default; | |
| 305 // TODO(rtenneti): on windows RValue reference gives errors. | |
| 306 // PacketNumberQueue::PacketNumberQueue(PacketNumberQueue&& other) = default; | |
| 307 PacketNumberQueue::~PacketNumberQueue() {} | |
| 308 | |
| 309 PacketNumberQueue& PacketNumberQueue::operator=( | |
| 310 const PacketNumberQueue& other) = default; | |
| 311 // TODO(rtenneti): on windows RValue reference gives errors. | |
| 312 // PacketNumberQueue& PacketNumberQueue::operator=(PacketNumberQueue&& other) = | |
| 313 // default; | |
| 314 | |
| 315 void PacketNumberQueue::Add(QuicPacketNumber packet_number) { | |
| 316 packet_number_intervals_.Add(packet_number, packet_number + 1); | |
| 317 } | |
| 318 | |
| 319 void PacketNumberQueue::Add(QuicPacketNumber lower, QuicPacketNumber higher) { | |
| 320 packet_number_intervals_.Add(lower, higher); | |
| 321 } | |
| 322 | |
| 323 void PacketNumberQueue::Remove(QuicPacketNumber packet_number) { | |
| 324 packet_number_intervals_.Difference(packet_number, packet_number + 1); | |
| 325 } | |
| 326 | |
| 327 void PacketNumberQueue::Remove(QuicPacketNumber lower, | |
| 328 QuicPacketNumber higher) { | |
| 329 packet_number_intervals_.Difference(lower, higher); | |
| 330 } | |
| 331 | |
| 332 bool PacketNumberQueue::RemoveUpTo(QuicPacketNumber higher) { | |
| 333 if (Empty()) { | |
| 334 return false; | |
| 335 } | |
| 336 const QuicPacketNumber old_min = Min(); | |
| 337 packet_number_intervals_.Difference(0, higher); | |
| 338 return Empty() || old_min != Min(); | |
| 339 } | |
| 340 | |
| 341 void PacketNumberQueue::Complement() { | |
| 342 if (Empty()) { | |
| 343 return; | |
| 344 } | |
| 345 packet_number_intervals_.Complement(Min(), Max() + 1); | |
| 346 } | |
| 347 | |
| 348 bool PacketNumberQueue::Contains(QuicPacketNumber packet_number) const { | |
| 349 return packet_number_intervals_.Contains(packet_number); | |
| 350 } | |
| 351 | |
| 352 bool PacketNumberQueue::Empty() const { | |
| 353 return packet_number_intervals_.Empty(); | |
| 354 } | |
| 355 | |
| 356 QuicPacketNumber PacketNumberQueue::Min() const { | |
| 357 DCHECK(!Empty()); | |
| 358 return packet_number_intervals_.begin()->min(); | |
| 359 } | |
| 360 | |
| 361 QuicPacketNumber PacketNumberQueue::Max() const { | |
| 362 DCHECK(!Empty()); | |
| 363 return packet_number_intervals_.rbegin()->max() - 1; | |
| 364 } | |
| 365 | |
| 366 size_t PacketNumberQueue::NumPacketsSlow() const { | |
| 367 size_t num_packets = 0; | |
| 368 for (const auto& interval : packet_number_intervals_) { | |
| 369 num_packets += interval.Length(); | |
| 370 } | |
| 371 return num_packets; | |
| 372 } | |
| 373 | |
| 374 size_t PacketNumberQueue::NumIntervals() const { | |
| 375 return packet_number_intervals_.Size(); | |
| 376 } | |
| 377 | |
| 378 QuicPacketNumber PacketNumberQueue::LastIntervalLength() const { | |
| 379 DCHECK(!Empty()); | |
| 380 return packet_number_intervals_.rbegin()->Length(); | |
| 381 } | |
| 382 | |
| 383 PacketNumberQueue::const_iterator PacketNumberQueue::lower_bound( | |
| 384 QuicPacketNumber packet_number) const { | |
| 385 // lower_bound returns the first interval that contains |packet_number| or the | |
| 386 // first interval after |packet_number|. | |
| 387 auto itr = packet_number_intervals_.Find(packet_number); | |
| 388 if (itr != packet_number_intervals_.end()) { | |
| 389 return itr; | |
| 390 } | |
| 391 for (itr = packet_number_intervals_.begin(); | |
| 392 itr != packet_number_intervals_.end(); ++itr) { | |
| 393 if (packet_number < itr->min()) { | |
| 394 return itr; | |
| 395 } | |
| 396 } | |
| 397 return packet_number_intervals_.end(); | |
| 398 } | |
| 399 | |
| 400 PacketNumberQueue::const_iterator PacketNumberQueue::begin() const { | |
| 401 return packet_number_intervals_.begin(); | |
| 402 } | |
| 403 | |
| 404 PacketNumberQueue::const_iterator PacketNumberQueue::end() const { | |
| 405 return packet_number_intervals_.end(); | |
| 406 } | |
| 407 | |
| 408 PacketNumberQueue::const_reverse_iterator PacketNumberQueue::rbegin() const { | |
| 409 return packet_number_intervals_.rbegin(); | |
| 410 } | |
| 411 | |
| 412 PacketNumberQueue::const_reverse_iterator PacketNumberQueue::rend() const { | |
| 413 return packet_number_intervals_.rend(); | |
| 414 } | |
| 415 | |
| 416 ostream& operator<<(ostream& os, const PacketNumberQueue& q) { | |
| 417 for (const Interval<QuicPacketNumber>& interval : q) { | |
| 418 for (QuicPacketNumber packet_number = interval.min(); | |
| 419 packet_number < interval.max(); ++packet_number) { | |
| 420 os << packet_number << " "; | |
| 421 } | |
| 422 } | |
| 423 return os; | |
| 424 } | |
| 425 | |
| 426 ostream& operator<<(ostream& os, const QuicAckFrame& ack_frame) { | |
| 427 os << "{ largest_observed: " << ack_frame.largest_observed | |
| 428 << ", ack_delay_time: " << ack_frame.ack_delay_time.ToMicroseconds() | |
| 429 << ", packets: [ " << ack_frame.packets << " ]" | |
| 430 << ", received_packets: [ "; | |
| 431 for (const std::pair<QuicPacketNumber, QuicTime>& p : | |
| 432 ack_frame.received_packet_times) { | |
| 433 os << p.first << " at " << p.second.ToDebuggingValue() << " "; | |
| 434 } | |
| 435 os << " ] }\n"; | |
| 436 return os; | |
| 437 } | |
| 438 | |
| 439 ostream& operator<<(ostream& os, const QuicFrame& frame) { | |
| 440 switch (frame.type) { | |
| 441 case PADDING_FRAME: { | |
| 442 os << "type { PADDING_FRAME } " << frame.padding_frame; | |
| 443 break; | |
| 444 } | |
| 445 case RST_STREAM_FRAME: { | |
| 446 os << "type { RST_STREAM_FRAME } " << *(frame.rst_stream_frame); | |
| 447 break; | |
| 448 } | |
| 449 case CONNECTION_CLOSE_FRAME: { | |
| 450 os << "type { CONNECTION_CLOSE_FRAME } " | |
| 451 << *(frame.connection_close_frame); | |
| 452 break; | |
| 453 } | |
| 454 case GOAWAY_FRAME: { | |
| 455 os << "type { GOAWAY_FRAME } " << *(frame.goaway_frame); | |
| 456 break; | |
| 457 } | |
| 458 case WINDOW_UPDATE_FRAME: { | |
| 459 os << "type { WINDOW_UPDATE_FRAME } " << *(frame.window_update_frame); | |
| 460 break; | |
| 461 } | |
| 462 case BLOCKED_FRAME: { | |
| 463 os << "type { BLOCKED_FRAME } " << *(frame.blocked_frame); | |
| 464 break; | |
| 465 } | |
| 466 case STREAM_FRAME: { | |
| 467 os << "type { STREAM_FRAME } " << *(frame.stream_frame); | |
| 468 break; | |
| 469 } | |
| 470 case ACK_FRAME: { | |
| 471 os << "type { ACK_FRAME } " << *(frame.ack_frame); | |
| 472 break; | |
| 473 } | |
| 474 case STOP_WAITING_FRAME: { | |
| 475 os << "type { STOP_WAITING_FRAME } " << *(frame.stop_waiting_frame); | |
| 476 break; | |
| 477 } | |
| 478 case PING_FRAME: { | |
| 479 os << "type { PING_FRAME } "; | |
| 480 break; | |
| 481 } | |
| 482 case MTU_DISCOVERY_FRAME: { | |
| 483 os << "type { MTU_DISCOVERY_FRAME } "; | |
| 484 break; | |
| 485 } | |
| 486 case PATH_CLOSE_FRAME: { | |
| 487 os << "type { PATH_CLOSE_FRAME } " << *(frame.path_close_frame); | |
| 488 break; | |
| 489 } | |
| 490 default: { | |
| 491 LOG(ERROR) << "Unknown frame type: " << frame.type; | |
| 492 break; | |
| 493 } | |
| 494 } | |
| 495 return os; | |
| 496 } | |
| 497 | |
| 498 ostream& operator<<(ostream& os, const QuicPaddingFrame& padding_frame) { | |
| 499 os << "{ num_padding_bytes: " << padding_frame.num_padding_bytes << " }\n"; | |
| 500 return os; | |
| 501 } | |
| 502 | |
| 503 ostream& operator<<(ostream& os, const QuicRstStreamFrame& rst_frame) { | |
| 504 os << "{ stream_id: " << rst_frame.stream_id | |
| 505 << ", error_code: " << rst_frame.error_code << " }\n"; | |
| 506 return os; | |
| 507 } | |
| 508 | |
| 509 ostream& operator<<(ostream& os, | |
| 510 const QuicConnectionCloseFrame& connection_close_frame) { | |
| 511 os << "{ error_code: " << connection_close_frame.error_code | |
| 512 << ", error_details: '" << connection_close_frame.error_details << "' }\n"; | |
| 513 return os; | |
| 514 } | |
| 515 | |
| 516 ostream& operator<<(ostream& os, const QuicGoAwayFrame& goaway_frame) { | |
| 517 os << "{ error_code: " << goaway_frame.error_code | |
| 518 << ", last_good_stream_id: " << goaway_frame.last_good_stream_id | |
| 519 << ", reason_phrase: '" << goaway_frame.reason_phrase << "' }\n"; | |
| 520 return os; | |
| 521 } | |
| 522 | |
| 523 ostream& operator<<(ostream& os, | |
| 524 const QuicWindowUpdateFrame& window_update_frame) { | |
| 525 os << "{ stream_id: " << window_update_frame.stream_id | |
| 526 << ", byte_offset: " << window_update_frame.byte_offset << " }\n"; | |
| 527 return os; | |
| 528 } | |
| 529 | |
| 530 ostream& operator<<(ostream& os, const QuicBlockedFrame& blocked_frame) { | |
| 531 os << "{ stream_id: " << blocked_frame.stream_id << " }\n"; | |
| 532 return os; | |
| 533 } | |
| 534 | |
| 535 ostream& operator<<(ostream& os, const QuicPathCloseFrame& path_close_frame) { | |
| 536 os << "{ path_id: " << static_cast<int>(path_close_frame.path_id) << " }\n"; | |
| 537 return os; | |
| 538 } | |
| 539 | |
| 540 ostream& operator<<(ostream& os, const QuicStreamFrame& stream_frame) { | |
| 541 os << "{ stream_id: " << stream_frame.stream_id | |
| 542 << ", fin: " << stream_frame.fin << ", offset: " << stream_frame.offset | |
| 543 << ", length: " << stream_frame.data_length << " }\n"; | |
| 544 return os; | |
| 545 } | |
| 546 | |
| 547 QuicGoAwayFrame::QuicGoAwayFrame() | |
| 548 : error_code(QUIC_NO_ERROR), last_good_stream_id(0) {} | |
| 549 | |
| 550 QuicGoAwayFrame::QuicGoAwayFrame(QuicErrorCode error_code, | |
| 551 QuicStreamId last_good_stream_id, | |
| 552 const string& reason) | |
| 553 : error_code(error_code), | |
| 554 last_good_stream_id(last_good_stream_id), | |
| 555 reason_phrase(reason) {} | |
| 556 | |
| 557 QuicData::QuicData(const char* buffer, size_t length) | |
| 558 : buffer_(buffer), length_(length), owns_buffer_(false) {} | |
| 559 | |
| 560 QuicData::QuicData(const char* buffer, size_t length, bool owns_buffer) | |
| 561 : buffer_(buffer), length_(length), owns_buffer_(owns_buffer) {} | |
| 562 | |
| 563 QuicData::~QuicData() { | |
| 564 if (owns_buffer_) { | |
| 565 delete[] const_cast<char*>(buffer_); | |
| 566 } | |
| 567 } | |
| 568 | |
| 569 QuicWindowUpdateFrame::QuicWindowUpdateFrame(QuicStreamId stream_id, | |
| 570 QuicStreamOffset byte_offset) | |
| 571 : stream_id(stream_id), byte_offset(byte_offset) {} | |
| 572 | |
| 573 QuicBlockedFrame::QuicBlockedFrame(QuicStreamId stream_id) | |
| 574 : stream_id(stream_id) {} | |
| 575 | |
| 576 QuicPathCloseFrame::QuicPathCloseFrame(QuicPathId path_id) : path_id(path_id) {} | |
| 577 | |
| 578 QuicPacket::QuicPacket(char* buffer, | |
| 579 size_t length, | |
| 580 bool owns_buffer, | |
| 581 QuicConnectionIdLength connection_id_length, | |
| 582 bool includes_version, | |
| 583 bool includes_path_id, | |
| 584 bool includes_diversification_nonce, | |
| 585 QuicPacketNumberLength packet_number_length) | |
| 586 : QuicData(buffer, length, owns_buffer), | |
| 587 buffer_(buffer), | |
| 588 connection_id_length_(connection_id_length), | |
| 589 includes_version_(includes_version), | |
| 590 includes_path_id_(includes_path_id), | |
| 591 includes_diversification_nonce_(includes_diversification_nonce), | |
| 592 packet_number_length_(packet_number_length) {} | |
| 593 | |
| 594 QuicEncryptedPacket::QuicEncryptedPacket(const char* buffer, size_t length) | |
| 595 : QuicData(buffer, length) {} | |
| 596 | |
| 597 QuicEncryptedPacket::QuicEncryptedPacket(const char* buffer, | |
| 598 size_t length, | |
| 599 bool owns_buffer) | |
| 600 : QuicData(buffer, length, owns_buffer) {} | |
| 601 | |
| 602 std::unique_ptr<QuicEncryptedPacket> QuicEncryptedPacket::Clone() const { | |
| 603 char* buffer = new char[this->length()]; | |
| 604 memcpy(buffer, this->data(), this->length()); | |
| 605 return base::MakeUnique<QuicEncryptedPacket>(buffer, this->length(), true); | |
| 606 } | |
| 607 | |
| 608 ostream& operator<<(ostream& os, const QuicEncryptedPacket& s) { | |
| 609 os << s.length() << "-byte data"; | |
| 610 return os; | |
| 611 } | |
| 612 | |
| 613 QuicReceivedPacket::QuicReceivedPacket(const char* buffer, | |
| 614 size_t length, | |
| 615 QuicTime receipt_time) | |
| 616 : QuicEncryptedPacket(buffer, length), | |
| 617 receipt_time_(receipt_time), | |
| 618 ttl_(0) {} | |
| 619 | |
| 620 QuicReceivedPacket::QuicReceivedPacket(const char* buffer, | |
| 621 size_t length, | |
| 622 QuicTime receipt_time, | |
| 623 bool owns_buffer) | |
| 624 : QuicEncryptedPacket(buffer, length, owns_buffer), | |
| 625 receipt_time_(receipt_time), | |
| 626 ttl_(0) {} | |
| 627 | |
| 628 QuicReceivedPacket::QuicReceivedPacket(const char* buffer, | |
| 629 size_t length, | |
| 630 QuicTime receipt_time, | |
| 631 bool owns_buffer, | |
| 632 int ttl, | |
| 633 bool ttl_valid) | |
| 634 : QuicEncryptedPacket(buffer, length, owns_buffer), | |
| 635 receipt_time_(receipt_time), | |
| 636 ttl_(ttl_valid ? ttl : -1) {} | |
| 637 | |
| 638 std::unique_ptr<QuicReceivedPacket> QuicReceivedPacket::Clone() const { | |
| 639 char* buffer = new char[this->length()]; | |
| 640 memcpy(buffer, this->data(), this->length()); | |
| 641 return base::MakeUnique<QuicReceivedPacket>( | |
| 642 buffer, this->length(), receipt_time(), true, ttl(), ttl() >= 0); | |
| 643 } | |
| 644 | |
| 645 ostream& operator<<(ostream& os, const QuicReceivedPacket& s) { | |
| 646 os << s.length() << "-byte data"; | |
| 647 return os; | |
| 648 } | |
| 649 | |
| 650 StringPiece QuicPacket::AssociatedData(QuicVersion version) const { | |
| 651 return StringPiece( | |
| 652 data(), GetStartOfEncryptedData(version, connection_id_length_, | |
| 653 includes_version_, includes_path_id_, | |
| 654 includes_diversification_nonce_, | |
| 655 packet_number_length_)); | |
| 656 } | |
| 657 | |
| 658 StringPiece QuicPacket::Plaintext(QuicVersion version) const { | |
| 659 const size_t start_of_encrypted_data = GetStartOfEncryptedData( | |
| 660 version, connection_id_length_, includes_version_, includes_path_id_, | |
| 661 includes_diversification_nonce_, packet_number_length_); | |
| 662 return StringPiece(data() + start_of_encrypted_data, | |
| 663 length() - start_of_encrypted_data); | |
| 664 } | |
| 665 | |
| 666 QuicVersionManager::QuicVersionManager(QuicVersionVector supported_versions) | |
| 667 : enable_version_36_(FLAGS_quic_enable_version_36_v3), | |
| 668 allowed_supported_versions_(supported_versions), | |
| 669 filtered_supported_versions_( | |
| 670 FilterSupportedVersions(supported_versions)) {} | |
| 671 | |
| 672 QuicVersionManager::~QuicVersionManager() {} | |
| 673 | |
| 674 const QuicVersionVector& QuicVersionManager::GetSupportedVersions() { | |
| 675 MaybeRefilterSupportedVersions(); | |
| 676 return filtered_supported_versions_; | |
| 677 } | |
| 678 | |
| 679 void QuicVersionManager::MaybeRefilterSupportedVersions() { | |
| 680 if (enable_version_36_ != FLAGS_quic_enable_version_36_v3) { | |
| 681 enable_version_36_ = FLAGS_quic_enable_version_36_v3; | |
| 682 RefilterSupportedVersions(); | |
| 683 } | |
| 684 } | |
| 685 | |
| 686 void QuicVersionManager::RefilterSupportedVersions() { | |
| 687 filtered_supported_versions_ = | |
| 688 FilterSupportedVersions(allowed_supported_versions_); | |
| 689 } | |
| 690 | |
| 691 AckListenerWrapper::AckListenerWrapper(QuicAckListenerInterface* listener, | |
| 692 QuicPacketLength data_length) | |
| 693 : ack_listener(listener), length(data_length) { | |
| 694 DCHECK(listener != nullptr); | |
| 695 } | |
| 696 | |
| 697 AckListenerWrapper::AckListenerWrapper(const AckListenerWrapper& other) = | |
| 698 default; | |
| 699 | |
| 700 AckListenerWrapper::~AckListenerWrapper() {} | |
| 701 | |
| 702 SerializedPacket::SerializedPacket(QuicPathId path_id, | |
| 703 QuicPacketNumber packet_number, | |
| 704 QuicPacketNumberLength packet_number_length, | |
| 705 const char* encrypted_buffer, | |
| 706 QuicPacketLength encrypted_length, | |
| 707 bool has_ack, | |
| 708 bool has_stop_waiting) | |
| 709 : encrypted_buffer(encrypted_buffer), | |
| 710 encrypted_length(encrypted_length), | |
| 711 has_crypto_handshake(NOT_HANDSHAKE), | |
| 712 num_padding_bytes(0), | |
| 713 path_id(path_id), | |
| 714 packet_number(packet_number), | |
| 715 packet_number_length(packet_number_length), | |
| 716 encryption_level(ENCRYPTION_NONE), | |
| 717 has_ack(has_ack), | |
| 718 has_stop_waiting(has_stop_waiting), | |
| 719 transmission_type(NOT_RETRANSMISSION), | |
| 720 original_path_id(kInvalidPathId), | |
| 721 original_packet_number(0) {} | |
| 722 | |
| 723 SerializedPacket::SerializedPacket(const SerializedPacket& other) = default; | |
| 724 | |
| 725 SerializedPacket::~SerializedPacket() {} | |
| 726 | |
| 727 TransmissionInfo::TransmissionInfo() | |
| 728 : encryption_level(ENCRYPTION_NONE), | |
| 729 packet_number_length(PACKET_1BYTE_PACKET_NUMBER), | |
| 730 bytes_sent(0), | |
| 731 sent_time(QuicTime::Zero()), | |
| 732 transmission_type(NOT_RETRANSMISSION), | |
| 733 in_flight(false), | |
| 734 is_unackable(false), | |
| 735 has_crypto_handshake(false), | |
| 736 num_padding_bytes(0), | |
| 737 retransmission(0) {} | |
| 738 | |
| 739 void ClearSerializedPacket(SerializedPacket* serialized_packet) { | |
| 740 if (!serialized_packet->retransmittable_frames.empty()) { | |
| 741 DeleteFrames(&serialized_packet->retransmittable_frames); | |
| 742 } | |
| 743 serialized_packet->encrypted_buffer = nullptr; | |
| 744 serialized_packet->encrypted_length = 0; | |
| 745 } | |
| 746 | |
| 747 char* CopyBuffer(const SerializedPacket& packet) { | |
| 748 char* dst_buffer = new char[packet.encrypted_length]; | |
| 749 memcpy(dst_buffer, packet.encrypted_buffer, packet.encrypted_length); | |
| 750 return dst_buffer; | |
| 751 } | |
| 752 | |
| 753 TransmissionInfo::TransmissionInfo(EncryptionLevel level, | |
| 754 QuicPacketNumberLength packet_number_length, | |
| 755 TransmissionType transmission_type, | |
| 756 QuicTime sent_time, | |
| 757 QuicPacketLength bytes_sent, | |
| 758 bool has_crypto_handshake, | |
| 759 int num_padding_bytes) | |
| 760 : encryption_level(level), | |
| 761 packet_number_length(packet_number_length), | |
| 762 bytes_sent(bytes_sent), | |
| 763 sent_time(sent_time), | |
| 764 transmission_type(transmission_type), | |
| 765 in_flight(false), | |
| 766 is_unackable(false), | |
| 767 has_crypto_handshake(has_crypto_handshake), | |
| 768 num_padding_bytes(num_padding_bytes), | |
| 769 retransmission(0) {} | |
| 770 | |
| 771 TransmissionInfo::TransmissionInfo(const TransmissionInfo& other) = default; | |
| 772 | |
| 773 TransmissionInfo::~TransmissionInfo() {} | |
| 774 | |
| 775 } // namespace net | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2547583002:
Landing Recent QUIC changes until Fri Nov 18 23:21:04 2016 +0000 (Closed)
