quic_protocol.h revision 868fa2fe829687343ffae624259930155e16dbd8
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef NET_QUIC_QUIC_PROTOCOL_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define NET_QUIC_QUIC_PROTOCOL_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <stddef.h> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <limits> 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <map> 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <ostream> 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <set> 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <string> 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <utility> 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/hash_tables.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 20c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "base/strings/string_piece.h" 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "net/base/int128.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_export.h" 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "net/quic/quic_bandwidth.h" 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/quic/quic_time.h" 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace net { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)using ::operator<<; 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class QuicPacket; 31868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)struct QuicPacketHeader; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef uint64 QuicGuid; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef uint32 QuicStreamId; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef uint64 QuicStreamOffset; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef uint64 QuicPacketSequenceNumber; 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)typedef QuicPacketSequenceNumber QuicFecGroupNumber; 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)typedef uint64 QuicPublicResetNonceProof; 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)typedef uint8 QuicPacketEntropyHash; 40b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)typedef uint32 QuicHeaderId; 41b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)// QuicTag is the type of a tag in the wire protocol. 42b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)typedef uint32 QuicTag; 43b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)typedef std::vector<QuicTag> QuicTagVector; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TODO(rch): Consider Quic specific names for these constants. 462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Maximum size in bytes of a QUIC packet. 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const QuicByteCount kMaxPacketSize = 1200; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Maximum number of open streams per connection. 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const size_t kDefaultMaxStreamsPerConnection = 100; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Number of bytes reserved for public flags in the packet header. 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const size_t kPublicFlagsSize = 1; 542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Number of bytes reserved for version number in the packet header. 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const size_t kQuicVersionSize = 4; 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Number of bytes reserved for private flags in the packet header. 572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const size_t kPrivateFlagsSize = 1; 582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Number of bytes reserved for FEC group in the packet header. 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const size_t kFecGroupSize = 1; 602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Number of bytes reserved for the nonce proof in public reset packet. 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const size_t kPublicResetNonceSize = 8; 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Signifies that the QuicPacket will contain version of the protocol. 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const bool kIncludeVersion = true; 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Returns true if |version| is a supported protocol version. 67b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)NET_EXPORT_PRIVATE bool IsSupportedVersion(QuicTag version); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Index of the first byte in a QUIC packet which is used in hash calculation. 702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const size_t kStartOfHashData = 0; 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Limit on the delta between stream IDs. 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const QuicStreamId kMaxStreamIdDelta = 100; 74b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)// Limit on the delta between header IDs. 75b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)const QuicHeaderId kMaxHeaderIdDelta = 100; 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Reserved ID for the crypto stream. 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TODO(rch): ensure that this is not usable by any other streams. 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const QuicStreamId kCryptoStreamId = 1; 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// This is the default network timeout a for connection till the crypto 8290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// handshake succeeds and the negotiated timeout from the handshake is received. 83868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)const int64 kDefaultInitialTimeoutSecs = 120; // 2 mins. 8490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)const int64 kDefaultTimeoutSecs = 60 * 10; // 10 minutes. 85868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)const int64 kDefaultMaxTimeForCryptoHandshakeSecs = 5; // 5 secs. 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 87c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)enum Retransmission { 88b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) NOT_RETRANSMISSION, 89b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) IS_RETRANSMISSION, 90c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)}; 91c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 92c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)enum HasRetransmittableData { 93b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) NO_RETRANSMITTABLE_DATA, 94b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) HAS_RETRANSMITTABLE_DATA, 95c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)}; 96c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)enum QuicFrameType { 982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) PADDING_FRAME = 0, 992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) STREAM_FRAME, 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ACK_FRAME, 1012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CONGESTION_FEEDBACK_FRAME, 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RST_STREAM_FRAME, 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CONNECTION_CLOSE_FRAME, 1042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) GOAWAY_FRAME, 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NUM_FRAME_TYPES 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 108868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)enum QuicGuidLength { 109868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_0BYTE_GUID = 0, 110868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_1BYTE_GUID = 1, 111868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_4BYTE_GUID = 4, 112868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_8BYTE_GUID = 8 113868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)}; 114868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 115868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)enum InFecGroup { 116868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) NOT_IN_FEC_GROUP, 117868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) IN_FEC_GROUP, 118868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)}; 119868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 120868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)enum QuicSequenceNumberLength { 121868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_1BYTE_SEQUENCE_NUMBER = 1, 122868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_2BYTE_SEQUENCE_NUMBER = 2, 123868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_4BYTE_SEQUENCE_NUMBER = 4, 124868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_6BYTE_SEQUENCE_NUMBER = 6 125868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)}; 126868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)enum QuicPacketPublicFlags { 1282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) PACKET_PUBLIC_FLAGS_NONE = 0, 1292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) PACKET_PUBLIC_FLAGS_VERSION = 1 << 0, // Packet header contains version info. 1302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) PACKET_PUBLIC_FLAGS_RST = 1 << 1, // Packet is a public reset packet. 13190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Packet header guid length in bytes. 13290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) PACKET_PUBLIC_FLAGS_0BYTE_GUID = 0, 13390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) PACKET_PUBLIC_FLAGS_1BYTE_GUID = 1 << 2, 13490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) PACKET_PUBLIC_FLAGS_4BYTE_GUID = 1 << 3, 13590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) PACKET_PUBLIC_FLAGS_8BYTE_GUID = 1 << 3 | 1 << 2, 136868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Packet sequence number length in bytes. 137868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_PUBLIC_FLAGS_1BYTE_SEQUENCE = 0, 138868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_PUBLIC_FLAGS_2BYTE_SEQUENCE = 1 << 4, 139868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_PUBLIC_FLAGS_4BYTE_SEQUENCE = 1 << 5, 140868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_PUBLIC_FLAGS_6BYTE_SEQUENCE = 1 << 5 | 1 << 4, 141868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_PUBLIC_FLAGS_MAX = (1 << 6) - 1 // All bits set. 1422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)enum QuicPacketPrivateFlags { 1452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) PACKET_PRIVATE_FLAGS_NONE = 0, 146868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_PRIVATE_FLAGS_ENTROPY = 1 << 0, 147868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_PRIVATE_FLAGS_FEC_GROUP = 1 << 1, // Payload is part of an FEC group. 148868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) PACKET_PRIVATE_FLAGS_FEC = 1 << 2, // Payload is FEC as opposed to frames. 1492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) PACKET_PRIVATE_FLAGS_MAX = (1 << 3) - 1 // All bits set. 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 152868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)// Size in bytes of the data or fec packet header. 153868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)NET_EXPORT_PRIVATE size_t GetPacketHeaderSize(QuicPacketHeader header); 154868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 155868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)NET_EXPORT_PRIVATE size_t GetPacketHeaderSize( 156868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicGuidLength guid_length, 157868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) bool include_version, 158868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicSequenceNumberLength sequence_number_length, 159868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) InFecGroup is_in_fec_group); 160868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 161868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)// Size in bytes of the public reset packet. 162868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)NET_EXPORT_PRIVATE size_t GetPublicResetPacketSize(); 163868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 164868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)// Index of the first byte in a QUIC packet of FEC protected data. 165868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)NET_EXPORT_PRIVATE size_t GetStartOfFecProtectedData( 166868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicGuidLength guid_length, 167868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) bool include_version, 168868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicSequenceNumberLength sequence_number_length); 169868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)// Index of the first byte in a QUIC packet of encrypted data. 170868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)NET_EXPORT_PRIVATE size_t GetStartOfEncryptedData( 171868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicGuidLength guid_length, 172868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) bool include_version, 173868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicSequenceNumberLength sequence_number_length); 174868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 175c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)enum QuicRstStreamErrorCode { 176c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_STREAM_NO_ERROR = 0, 1772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // There was some server error which halted stream processing. 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_SERVER_ERROR_PROCESSING_STREAM, 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We got two fin or reset offsets which did not match. 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_MULTIPLE_TERMINATION_OFFSETS, 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We got bad payload and can not respond to it at the protocol level. 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_BAD_APPLICATION_PAYLOAD, 184c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Stream closed due to connection error. No reset frame is sent when this 185c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // happens. 186c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_STREAM_CONNECTION_ERROR, 187c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // GoAway frame sent. No more stream can be created. 188c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_STREAM_PEER_GOING_AWAY, 189c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 190c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // No error. Used as bound while iterating. 191c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_STREAM_LAST_ERROR, 192c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)}; 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 194c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)enum QuicErrorCode { 195c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_NO_ERROR = 0, 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 197c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Connection has reached an invalid state. 198c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_INTERNAL_ERROR, 199c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // There were data frames after the a fin or reset. 200c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_STREAM_DATA_AFTER_TERMINATION, 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Control frame is malformed. 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_INVALID_PACKET_HEADER, 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Frame data is malformed. 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_INVALID_FRAME_DATA, 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // FEC data is malformed. 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_INVALID_FEC_DATA, 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Stream rst data is malformed 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_INVALID_RST_STREAM_DATA, 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Connection close data is malformed. 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_INVALID_CONNECTION_CLOSE_DATA, 2112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // GoAway data is malformed. 2122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QUIC_INVALID_GOAWAY_DATA, 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Ack data is malformed. 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_INVALID_ACK_DATA, 2152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Version negotiation packet is malformed. 2162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QUIC_INVALID_VERSION_NEGOTIATION_PACKET, 21790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Public RST packet is malformed. 21890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) QUIC_INVALID_PUBLIC_RST_PACKET, 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // There was an error decrypting. 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_DECRYPTION_FAILURE, 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // There was an error encrypting. 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_ENCRYPTION_FAILURE, 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The packet exceeded kMaxPacketSize. 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_PACKET_TOO_LARGE, 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Data was sent for a stream which did not exist. 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_PACKET_FOR_NONEXISTENT_STREAM, 2272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The peer is going away. May be a client or server. 2282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QUIC_PEER_GOING_AWAY, 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A stream ID was invalid. 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_INVALID_STREAM_ID, 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Too many streams already open. 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_TOO_MANY_OPEN_STREAMS, 2332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Received public reset for this connection. 2342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QUIC_PUBLIC_RESET, 235b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) // Invalid protocol version. 2362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QUIC_INVALID_VERSION, 237b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) // Stream reset before headers decompressed. 238b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) QUIC_STREAM_RST_BEFORE_HEADERS_DECOMPRESSED, 239b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) // The Header ID for a stream was too far from the previous. 240b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) QUIC_INVALID_HEADER_ID, 24190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Negotiable parameter received during handshake had invalid value. 24290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) QUIC_INVALID_NEGOTIATED_VALUE, 24390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // There was an error decompressing data. 24490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) QUIC_DECOMPRESSION_FAILURE, 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We hit our prenegotiated (or default) timeout 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_CONNECTION_TIMED_OUT, 24790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // There was an error encountered migrating addresses 24890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) QUIC_ERROR_MIGRATING_ADDRESS, 24990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // There was an error while writing the packet. 25090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) QUIC_PACKET_WRITE_ERROR, 25190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Crypto errors. 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 25590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Hanshake failed. 25690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) QUIC_HANDSHAKE_FAILED, 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Handshake message contained out of order tags. 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_CRYPTO_TAGS_OUT_OF_ORDER, 2592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Handshake message contained too many entries. 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_CRYPTO_TOO_MANY_ENTRIES, 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Handshake message contained an invalid value length. 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_CRYPTO_INVALID_VALUE_LENGTH, 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A crypto message was received after the handshake was complete. 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_CRYPTO_MESSAGE_AFTER_HANDSHAKE_COMPLETE, 2652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // A crypto message was received with an illegal message tag. 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QUIC_INVALID_CRYPTO_MESSAGE_TYPE, 2672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // A crypto message was received with an illegal parameter. 2682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QUIC_INVALID_CRYPTO_MESSAGE_PARAMETER, 2692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // A crypto message was received with a mandatory parameter missing. 2702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QUIC_CRYPTO_MESSAGE_PARAMETER_NOT_FOUND, 2712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // A crypto message was received with a parameter that has no overlap 2722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // with the local parameter. 2732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QUIC_CRYPTO_MESSAGE_PARAMETER_NO_OVERLAP, 2742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // A crypto message was received that contained a parameter with too few 2752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // values. 2762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QUIC_CRYPTO_MESSAGE_INDEX_NOT_FOUND, 277c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // An internal error occured in crypto processing. 278c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_CRYPTO_INTERNAL_ERROR, 279c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // A crypto handshake message specified an unsupported version. 280c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_CRYPTO_VERSION_NOT_SUPPORTED, 281c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // There was no intersection between the crypto primitives supported by the 282c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // peer and ourselves. 283c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_CRYPTO_NO_SUPPORT, 284c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // The server rejected our client hello messages too many times. 285c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_CRYPTO_TOO_MANY_REJECTS, 286c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // The client rejected the server's certificate chain or signature. 287c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_PROOF_INVALID, 288c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // A crypto message was received with a duplicate tag. 289c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_CRYPTO_DUPLICATE_TAG, 290b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) // A crypto message was received with the wrong encryption level (i.e. it 291b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) // should have been encrypted but was not.) 292b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) QUIC_CRYPTO_ENCRYPTION_LEVEL_INCORRECT, 293b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) // The server config for a server has expired. 294b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) QUIC_CRYPTO_SERVER_CONFIG_EXPIRED, 295c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 296c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // No error. Used as bound while iterating. 297c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QUIC_LAST_ERROR, 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Version and Crypto tags are written to the wire with a big-endian 3012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// representation of the name of the tag. For example 3022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// the client hello tag (CHLO) will be written as the 3032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// following 4 bytes: 'C' 'H' 'L' 'O'. Since it is 3042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// stored in memory as a little endian uint32, we need 3052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// to reverse the order of the bytes. 306c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 307c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// The TAG macro is used in header files to ensure that we don't create static 308c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// initialisers. In normal code, the MakeQuicTag function should be used. 309c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TAG(a, b, c, d) ((d << 24) + (c << 16) + (b << 8) + a) 310b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)const QuicTag kUnsupportedVersion = -1; 311b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)// Each time the wire format changes, this need needs to be incremented. 312b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)// At some point, we will actually freeze the wire format and make an official 313b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)// version number, but this works for now. 314868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)const QuicTag kQuicVersion1 = TAG('Q', '0', '0', '6'); 315c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#undef TAG 316c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 317c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// MakeQuicTag returns a value given the four bytes. For example: 318c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// MakeQuicTag('C', 'H', 'L', 'O'); 319c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)uint32 NET_EXPORT_PRIVATE MakeQuicTag(char a, char b, char c, char d); 3202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)struct NET_EXPORT_PRIVATE QuicPacketPublicHeader { 3222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketPublicHeader(); 3232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit QuicPacketPublicHeader(const QuicPacketPublicHeader& other); 3242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ~QuicPacketPublicHeader(); 3252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketPublicHeader& operator=(const QuicPacketPublicHeader& other); 3272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Universal header. All QuicPacket headers will have a guid and public flags. 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicGuid guid; 330868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicGuidLength guid_length; 3312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool reset_flag; 3322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool version_flag; 333868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicSequenceNumberLength sequence_number_length; 334b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) QuicTagVector versions; 3352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 3362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Header for Data or FEC packets. 338c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)struct NET_EXPORT_PRIVATE QuicPacketHeader { 339c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QuicPacketHeader(); 340c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit QuicPacketHeader(const QuicPacketPublicHeader& header); 3412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NET_EXPORT_PRIVATE friend std::ostream& operator<<( 3432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::ostream& os, const QuicPacketHeader& s); 3442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketPublicHeader public_header; 3462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool fec_flag; 3472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool entropy_flag; 3482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketEntropyHash entropy_hash; 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicPacketSequenceNumber packet_sequence_number; 350868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) InFecGroup is_in_fec_group; 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicFecGroupNumber fec_group; 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 354c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)struct NET_EXPORT_PRIVATE QuicPublicResetPacket { 3552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPublicResetPacket() {} 3562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit QuicPublicResetPacket(const QuicPacketPublicHeader& header) 3572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : public_header(header) {} 3582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketPublicHeader public_header; 3592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketSequenceNumber rejected_sequence_number; 3602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPublicResetNonceProof nonce_proof; 3612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 3622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)enum QuicVersionNegotiationState { 3642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) START_NEGOTIATION = 0, 3652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SENT_NEGOTIATION_PACKET, 3662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NEGOTIATED_VERSION 3672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 3682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)typedef QuicPacketPublicHeader QuicVersionNegotiationPacket; 3702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// A padding frame contains no payload. 3722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)struct NET_EXPORT_PRIVATE QuicPaddingFrame { 3732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 3742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct NET_EXPORT_PRIVATE QuicStreamFrame { 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicStreamFrame(); 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicStreamFrame(QuicStreamId stream_id, 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool fin, 3792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicStreamOffset offset, 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::StringPiece data); 3815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicStreamId stream_id; 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool fin; 3842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicStreamOffset offset; // Location of this data in the stream. 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::StringPiece data; 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 3875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// TODO(ianswett): Re-evaluate the trade-offs of hash_set vs set when framing 3892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// is finalized. 3902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)typedef std::set<QuicPacketSequenceNumber> SequenceNumberSet; 3912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// TODO(pwestin): Add a way to enforce the max size of this map. 3922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)typedef std::map<QuicPacketSequenceNumber, QuicTime> TimeMap; 3932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct NET_EXPORT_PRIVATE ReceivedPacketInfo { 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReceivedPacketInfo(); 3965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~ReceivedPacketInfo(); 3972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NET_EXPORT_PRIVATE friend std::ostream& operator<<( 3982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::ostream& os, const ReceivedPacketInfo& s); 3992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Entropy hash of all packets up to largest observed not including missing 4012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // packets. 4022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketEntropyHash entropy_hash; 4032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The highest packet sequence number we've observed from the peer. 4052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // 4062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // In general, this should be the largest packet number we've received. In 4072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // the case of truncated acks, we may have to advertise a lower "upper bound" 4082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // than largest received, to avoid implicitly acking missing packets that 4092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // don't fit in the missing packet list due to size limitations. In this 4102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // case, largest_observed may be a packet which is also in the missing packets 4112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // list. 4122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketSequenceNumber largest_observed; 4132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Time elapsed since largest_observed was received until this Ack frame was 4152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // sent. 4162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicTime::Delta delta_time_largest_observed; 4172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(satyamshekhar): Can be optimized using an interval set like data 4192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // structure. 4205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The set of packets which we're expecting and have not received. 4212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SequenceNumberSet missing_packets; 4225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// True if the sequence number is greater than largest_observed or is listed 4252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// as missing. 4262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Always returns false for sequence numbers less than least_unacked. 4272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool NET_EXPORT_PRIVATE IsAwaitingPacket( 4282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const ReceivedPacketInfo& received_info, 4292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketSequenceNumber sequence_number); 4302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Inserts missing packets between [lower, higher). 4322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NET_EXPORT_PRIVATE InsertMissingPacketsBetween( 4332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ReceivedPacketInfo* received_info, 4342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketSequenceNumber lower, 4352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketSequenceNumber higher); 4362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct NET_EXPORT_PRIVATE SentPacketInfo { 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SentPacketInfo(); 4395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~SentPacketInfo(); 4402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NET_EXPORT_PRIVATE friend std::ostream& operator<<( 4412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::ostream& os, const SentPacketInfo& s); 4422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Entropy hash of all packets up to, but not including, the least unacked 4442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // packet. 4452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketEntropyHash entropy_hash; 4465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The lowest packet we've sent which is unacked, and we expect an ack for. 4475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicPacketSequenceNumber least_unacked; 4482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 4492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)struct NET_EXPORT_PRIVATE QuicAckFrame { 4512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicAckFrame() {} 4522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Testing convenience method to construct a QuicAckFrame with all packets 4532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // from least_unacked to largest_observed acked. 4542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicAckFrame(QuicPacketSequenceNumber largest_observed, 4552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicTime largest_observed_receive_time, 4562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketSequenceNumber least_unacked); 4572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NET_EXPORT_PRIVATE friend std::ostream& operator<<( 4592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::ostream& os, const QuicAckFrame& s); 4602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SentPacketInfo sent_info; 4622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ReceivedPacketInfo received_info; 4635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 4645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Defines for all types of congestion feedback that will be negotiated in QUIC, 4665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// kTCP MUST be supported by all QUIC implementations to guarentee 100% 4675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// compatibility. 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)enum CongestionFeedbackType { 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kTCP, // Used to mimic TCP. 4705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kInterArrival, // Use additional inter arrival information. 4715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kFixRate, // Provided for testing. 4725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 4735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct NET_EXPORT_PRIVATE CongestionFeedbackMessageTCP { 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint16 accumulated_number_of_lost_packets; 4762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicByteCount receive_window; 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct NET_EXPORT_PRIVATE CongestionFeedbackMessageInterArrival { 4802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CongestionFeedbackMessageInterArrival(); 4812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ~CongestionFeedbackMessageInterArrival(); 4825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint16 accumulated_number_of_lost_packets; 4832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The set of received packets since the last feedback was sent, along with 4842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // their arrival times. 4852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TimeMap received_packet_times; 4865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 4875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct NET_EXPORT_PRIVATE CongestionFeedbackMessageFixRate { 4892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CongestionFeedbackMessageFixRate(); 4902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicBandwidth bitrate; 4915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)struct NET_EXPORT_PRIVATE QuicCongestionFeedbackFrame { 4942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicCongestionFeedbackFrame(); 4952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ~QuicCongestionFeedbackFrame(); 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NET_EXPORT_PRIVATE friend std::ostream& operator<<( 4982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::ostream& os, const QuicCongestionFeedbackFrame& c); 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CongestionFeedbackType type; 5012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // This should really be a union, but since the inter arrival struct 5022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // is non-trivial, C++ prohibits it. 5032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CongestionFeedbackMessageTCP tcp; 5042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CongestionFeedbackMessageInterArrival inter_arrival; 5052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CongestionFeedbackMessageFixRate fix_rate; 5065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 5075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct NET_EXPORT_PRIVATE QuicRstStreamFrame { 5095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicRstStreamFrame() {} 510c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QuicRstStreamFrame(QuicStreamId stream_id, QuicRstStreamErrorCode error_code) 5112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : stream_id(stream_id), error_code(error_code) { 5125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_LE(error_code, std::numeric_limits<uint8>::max()); 5135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicStreamId stream_id; 516c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) QuicRstStreamErrorCode error_code; 5175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string error_details; 5185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 5195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct NET_EXPORT_PRIVATE QuicConnectionCloseFrame { 5215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicErrorCode error_code; 5225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string error_details; 5232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicAckFrame ack_frame; 5242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 5252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)struct NET_EXPORT_PRIVATE QuicGoAwayFrame { 5272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicGoAwayFrame() {} 5282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicGoAwayFrame(QuicErrorCode error_code, 5292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicStreamId last_good_stream_id, 5302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const std::string& reason); 5312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicErrorCode error_code; 5332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicStreamId last_good_stream_id; 5342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::string reason_phrase; 5355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 5365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 537c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// EncryptionLevel enumerates the stages of encryption that a QUIC connection 538c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// progresses through. When retransmitting a packet, the encryption level needs 539c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// to be specified so that it is retransmitted at a level which the peer can 540c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// understand. 541c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)enum EncryptionLevel { 542c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ENCRYPTION_NONE = 0, 543c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ENCRYPTION_INITIAL = 1, 544c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ENCRYPTION_FORWARD_SECURE = 2, 545c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 546c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) NUM_ENCRYPTION_LEVELS, 547c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)}; 548c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 5495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct NET_EXPORT_PRIVATE QuicFrame { 5505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicFrame() {} 5512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit QuicFrame(QuicPaddingFrame* padding_frame) 5522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : type(PADDING_FRAME), 5532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) padding_frame(padding_frame) { 5542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit QuicFrame(QuicStreamFrame* stream_frame) 5562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : type(STREAM_FRAME), 5572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) stream_frame(stream_frame) { 5585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit QuicFrame(QuicAckFrame* frame) 5602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : type(ACK_FRAME), 5612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ack_frame(frame) { 5622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 5632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit QuicFrame(QuicCongestionFeedbackFrame* frame) 5642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : type(CONGESTION_FEEDBACK_FRAME), 5652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) congestion_feedback_frame(frame) { 5665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit QuicFrame(QuicRstStreamFrame* frame) 5685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : type(RST_STREAM_FRAME), 5695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) rst_stream_frame(frame) { 5705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit QuicFrame(QuicConnectionCloseFrame* frame) 5725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : type(CONNECTION_CLOSE_FRAME), 5735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) connection_close_frame(frame) { 5745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit QuicFrame(QuicGoAwayFrame* frame) 5762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : type(GOAWAY_FRAME), 5772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) goaway_frame(frame) { 5782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 5795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicFrameType type; 5815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) union { 5822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPaddingFrame* padding_frame; 5835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicStreamFrame* stream_frame; 5845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicAckFrame* ack_frame; 5852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicCongestionFeedbackFrame* congestion_feedback_frame; 5865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicRstStreamFrame* rst_stream_frame; 5875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicConnectionCloseFrame* connection_close_frame; 5882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicGoAwayFrame* goaway_frame; 5895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 5905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 5915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef std::vector<QuicFrame> QuicFrames; 5935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct NET_EXPORT_PRIVATE QuicFecData { 5955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicFecData(); 5965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The FEC group number is also the sequence number of the first 5982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // FEC protected packet. The last protected packet's sequence number will 5992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // be one less than the sequence number of the FEC packet. 6005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicFecGroupNumber fec_group; 6015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::StringPiece redundancy; 6025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 6035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct NET_EXPORT_PRIVATE QuicPacketData { 6055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string data; 6065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 6075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class NET_EXPORT_PRIVATE QuicData { 6095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 6105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicData(const char* buffer, size_t length) 6115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : buffer_(buffer), 6125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) length_(length), 6132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) owns_buffer_(false) {} 6145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicData(char* buffer, size_t length, bool owns_buffer) 6165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : buffer_(buffer), 6175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) length_(length), 6182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) owns_buffer_(owns_buffer) {} 6195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~QuicData(); 6215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::StringPiece AsStringPiece() const { 6235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return base::StringPiece(data(), length()); 6245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* data() const { return buffer_; } 6275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t length() const { return length_; } 6285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 6305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* buffer_; 6315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t length_; 6325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool owns_buffer_; 6335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(QuicData); 6355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 6365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class NET_EXPORT_PRIVATE QuicPacket : public QuicData { 6385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 639868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) static QuicPacket* NewDataPacket( 640868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) char* buffer, 641868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) size_t length, 642868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) bool owns_buffer, 643868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicGuidLength guid_length, 644868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) bool includes_version, 645868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicSequenceNumberLength sequence_number_length) { 646868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return new QuicPacket(buffer, length, owns_buffer, guid_length, 647868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) includes_version, sequence_number_length, false); 6485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 650868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) static QuicPacket* NewFecPacket( 651868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) char* buffer, 652868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) size_t length, 653868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) bool owns_buffer, 654868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicGuidLength guid_length, 655868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) bool includes_version, 656868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicSequenceNumberLength sequence_number_length) { 657868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return new QuicPacket(buffer, length, owns_buffer, guid_length, 658868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) includes_version, sequence_number_length, true); 6595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::StringPiece FecProtectedData() const; 6622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::StringPiece AssociatedData() const; 6632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::StringPiece BeforePlaintext() const; 6642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::StringPiece Plaintext() const; 6655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool is_fec_packet() const { return is_fec_packet_; } 6672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool includes_version() const { return includes_version_; } 6695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) char* mutable_data() { return buffer_; } 6715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 6732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacket(char* buffer, 6742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_t length, 6752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool owns_buffer, 676868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicGuidLength guid_length, 6772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool includes_version, 678868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) QuicSequenceNumberLength sequence_number_length, 6792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool is_fec_packet) 6802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : QuicData(buffer, length, owns_buffer), 6812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) buffer_(buffer), 6822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) is_fec_packet_(is_fec_packet), 683868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) guid_length_(guid_length), 684868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) includes_version_(includes_version), 685868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) sequence_number_length_(sequence_number_length) {} 6862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) char* buffer_; 6882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const bool is_fec_packet_; 689868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) const QuicGuidLength guid_length_; 6902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const bool includes_version_; 691868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) const QuicSequenceNumberLength sequence_number_length_; 6925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(QuicPacket); 6945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 6955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class NET_EXPORT_PRIVATE QuicEncryptedPacket : public QuicData { 6975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 6985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicEncryptedPacket(const char* buffer, size_t length) 6992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : QuicData(buffer, length) {} 7005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) QuicEncryptedPacket(char* buffer, size_t length, bool owns_buffer) 7022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : QuicData(buffer, length, owns_buffer) {} 7035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // By default, gtest prints the raw bytes of an object. The bool data 7052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // member (in the base class QuicData) causes this object to have padding 7062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // bytes, which causes the default gtest object printer to read 7072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // uninitialize memory. So we need to teach gtest how to print this object. 7082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NET_EXPORT_PRIVATE friend std::ostream& operator<<( 7092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::ostream& os, const QuicEncryptedPacket& s); 7105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 7125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(QuicEncryptedPacket); 7135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 7145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class NET_EXPORT_PRIVATE RetransmittableFrames { 7162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public: 7172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RetransmittableFrames(); 7182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ~RetransmittableFrames(); 7192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Allocates a local copy of the referenced StringPiece has QuicStreamFrame 7212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // use it. 7222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Takes ownership of |stream_frame|. 7232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const QuicFrame& AddStreamFrame(QuicStreamFrame* stream_frame); 7242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Takes ownership of the frame inside |frame|. 7252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const QuicFrame& AddNonStreamFrame(const QuicFrame& frame); 7262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const QuicFrames& frames() const { return frames_; } 7272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 728c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) void set_encryption_level(EncryptionLevel level); 729c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) EncryptionLevel encryption_level() const { 730c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return encryption_level_; 731c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 732c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 7332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) private: 7342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicFrames frames_; 735c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) EncryptionLevel encryption_level_; 7362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Data referenced by the StringPiece of a QuicStreamFrame. 7372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::vector<std::string*> stream_data_; 7382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(RetransmittableFrames); 7402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 7412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)struct NET_EXPORT_PRIVATE SerializedPacket { 7432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SerializedPacket(QuicPacketSequenceNumber sequence_number, 7442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacket* packet, 7452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketEntropyHash entropy_hash, 7462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RetransmittableFrames* retransmittable_frames) 7472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : sequence_number(sequence_number), 7482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) packet(packet), 7492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entropy_hash(entropy_hash), 7502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) retransmittable_frames(retransmittable_frames) {} 7512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketSequenceNumber sequence_number; 7532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacket* packet; 7542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicPacketEntropyHash entropy_hash; 7552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RetransmittableFrames* retransmittable_frames; 7562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 7572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// A struct for functions which consume data payloads and fins. 7592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// The first member of the pair indicates bytes consumed. 7602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// The second member of the pair indicates if an incoming fin was consumed. 7612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)struct QuicConsumedData { 7622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuicConsumedData(size_t bytes_consumed, bool fin_consumed) 7632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : bytes_consumed(bytes_consumed), 7642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) fin_consumed(fin_consumed) {} 7652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // By default, gtest prints the raw bytes of an object. The bool data 7672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // member causes this object to have padding bytes, which causes the 7682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // default gtest object printer to read uninitialize memory. So we need 7692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // to teach gtest how to print this object. 7702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NET_EXPORT_PRIVATE friend std::ostream& operator<<( 7712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::ostream& os, const QuicConsumedData& s); 7722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_t bytes_consumed; 7742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool fin_consumed; 7752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 7762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace net 7785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // NET_QUIC_QUIC_PROTOCOL_H_ 780