spdy_protocol.h revision 116680a4aac90f2aa7413d9095a592090648e557
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) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// This file contains some protocol structures for use with SPDY 2 and 3 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// The SPDY 2 spec can be found at: 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// http://dev.chromium.org/spdy/spdy-protocol/spdy-protocol-draft2 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// The SPDY 3 spec can be found at: 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// http://dev.chromium.org/spdy/spdy-protocol/spdy-protocol-draft3 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef NET_SPDY_SPDY_PROTOCOL_H_ 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define NET_SPDY_SPDY_PROTOCOL_H_ 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <map> 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <string> 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <vector> 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/compiler_specific.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/memory/scoped_ptr.h" 22c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "base/strings/string_piece.h" 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/sys_byteorder.h" 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "net/base/net_export.h" 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/spdy/spdy_bitmasks.h" 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace net { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// The major versions of SPDY. Major version differences indicate 3090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// framer-layer incompatibility, as opposed to minor version numbers 315c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu// which indicate application-layer incompatibility. Do not rely on 325c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu// the mapping from enum value SPDYn to the integer n. 3390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)enum SpdyMajorVersion { 3490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) SPDY2 = 2, 3590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) SPDY_MIN_VERSION = SPDY2, 3690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) SPDY3 = 3, 3790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) SPDY4 = 4, 385c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu SPDY5 = 5, 395c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu SPDY_MAX_VERSION = SPDY5 4090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)}; 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// A SPDY stream id is a 31 bit entity. 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)typedef uint32 SpdyStreamId; 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Specifies the stream ID used to denote the current session (for 462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// flow control). 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const SpdyStreamId kSessionFlowControlStreamId = 0; 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 494e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)// Initial window size for a Spdy stream in bytes. 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int32 kSpdyStreamInitialWindowSize = 64 * 1024; // 64 KBytes 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 524e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)// Initial window size for a Spdy session in bytes. 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const int32 kSpdySessionInitialWindowSize = 64 * 1024; // 64 KBytes 542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Maximum window size for a Spdy stream or session. 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const int32 kSpdyMaximumWindowSize = 0x7FFFFFFF; // Max signed 32bit int 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 58116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// Maximum padding size in octets for one DATA or HEADERS or PUSH_PROMISE frame. 59116680a4aac90f2aa7413d9095a592090648e557Ben Murdochconst int32 kPaddingSizePerFrame = 256; 60116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// SPDY 2 dictionary. 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This is just a hacked dictionary to use for shrinking HTTP-like headers. 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kV2Dictionary[] = 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "optionsgetheadpostputdeletetraceacceptaccept-charsetaccept-encodingaccept-" 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "languageauthorizationexpectfromhostif-modified-sinceif-matchif-none-matchi" 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "f-rangeif-unmodifiedsincemax-forwardsproxy-authorizationrangerefererteuser" 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "-agent10010120020120220320420520630030130230330430530630740040140240340440" 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "5406407408409410411412413414415416417500501502503504505accept-rangesageeta" 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "glocationproxy-authenticatepublicretry-afterservervarywarningwww-authentic" 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "ateallowcontent-basecontent-encodingcache-controlconnectiondatetrailertran" 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "sfer-encodingupgradeviawarningcontent-languagecontent-lengthcontent-locati" 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "oncontent-md5content-rangecontent-typeetagexpireslast-modifiedset-cookieMo" 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "ndayTuesdayWednesdayThursdayFridaySaturdaySundayJanFebMarAprMayJunJulAugSe" 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "pOctNovDecchunkedtext/htmlimage/pngimage/jpgimage/gifapplication/xmlapplic" 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "ation/xhtmltext/plainpublicmax-agecharset=iso-8859-1utf-8gzipdeflateHTTP/1" 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ".1statusversionurl"; 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int kV2DictionarySize = arraysize(kV2Dictionary); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// SPDY 3 dictionary. 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kV3Dictionary[] = { 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x00, 0x07, 0x6f, 0x70, 0x74, 0x69, // ....opti 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6f, 0x6e, 0x73, 0x00, 0x00, 0x00, 0x04, 0x68, // ons....h 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x61, 0x64, 0x00, 0x00, 0x00, 0x04, 0x70, // ead....p 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6f, 0x73, 0x74, 0x00, 0x00, 0x00, 0x03, 0x70, // ost....p 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x75, 0x74, 0x00, 0x00, 0x00, 0x06, 0x64, 0x65, // ut....de 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6c, 0x65, 0x74, 0x65, 0x00, 0x00, 0x00, 0x05, // lete.... 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x74, 0x72, 0x61, 0x63, 0x65, 0x00, 0x00, 0x00, // trace... 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x06, 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x00, // .accept. 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x0e, 0x61, 0x63, 0x63, 0x65, 0x70, // ...accep 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x74, 0x2d, 0x63, 0x68, 0x61, 0x72, 0x73, 0x65, // t-charse 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x74, 0x00, 0x00, 0x00, 0x0f, 0x61, 0x63, 0x63, // t....acc 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x70, 0x74, 0x2d, 0x65, 0x6e, 0x63, 0x6f, // ept-enco 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x64, 0x69, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x0f, // ding.... 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x6c, // accept-l 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x61, 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, 0x00, // anguage. 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x0d, 0x61, 0x63, 0x63, 0x65, 0x70, // ...accep 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x74, 0x2d, 0x72, 0x61, 0x6e, 0x67, 0x65, 0x73, // t-ranges 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x00, 0x03, 0x61, 0x67, 0x65, 0x00, // ....age. 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x05, 0x61, 0x6c, 0x6c, 0x6f, 0x77, // ...allow 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x00, 0x0d, 0x61, 0x75, 0x74, 0x68, // ....auth 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6f, 0x72, 0x69, 0x7a, 0x61, 0x74, 0x69, 0x6f, // orizatio 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6e, 0x00, 0x00, 0x00, 0x0d, 0x63, 0x61, 0x63, // n....cac 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x68, 0x65, 0x2d, 0x63, 0x6f, 0x6e, 0x74, 0x72, // he-contr 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6f, 0x6c, 0x00, 0x00, 0x00, 0x0a, 0x63, 0x6f, // ol....co 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, // nnection 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x00, 0x0c, 0x63, 0x6f, 0x6e, 0x74, // ....cont 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x6e, 0x74, 0x2d, 0x62, 0x61, 0x73, 0x65, // ent-base 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x00, 0x10, 0x63, 0x6f, 0x6e, 0x74, // ....cont 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x6e, 0x74, 0x2d, 0x65, 0x6e, 0x63, 0x6f, // ent-enco 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x64, 0x69, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x10, // ding.... 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, // content- 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6c, 0x61, 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, // language 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x00, 0x0e, 0x63, 0x6f, 0x6e, 0x74, // ....cont 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x6e, 0x74, 0x2d, 0x6c, 0x65, 0x6e, 0x67, // ent-leng 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x74, 0x68, 0x00, 0x00, 0x00, 0x10, 0x63, 0x6f, // th....co 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x6c, 0x6f, // ntent-lo 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x00, // cation.. 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x0b, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, // ..conten 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x74, 0x2d, 0x6d, 0x64, 0x35, 0x00, 0x00, 0x00, // t-md5... 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x0d, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, // .content 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x2d, 0x72, 0x61, 0x6e, 0x67, 0x65, 0x00, 0x00, // -range.. 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x0c, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, // ..conten 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x00, 0x00, // t-type.. 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x04, 0x64, 0x61, 0x74, 0x65, 0x00, 0x00, // ..date.. 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x04, 0x65, 0x74, 0x61, 0x67, 0x00, 0x00, // ..etag.. 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x06, 0x65, 0x78, 0x70, 0x65, 0x63, 0x74, // ..expect 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x00, 0x07, 0x65, 0x78, 0x70, 0x69, // ....expi 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x72, 0x65, 0x73, 0x00, 0x00, 0x00, 0x04, 0x66, // res....f 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x72, 0x6f, 0x6d, 0x00, 0x00, 0x00, 0x04, 0x68, // rom....h 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6f, 0x73, 0x74, 0x00, 0x00, 0x00, 0x08, 0x69, // ost....i 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x66, 0x2d, 0x6d, 0x61, 0x74, 0x63, 0x68, 0x00, // f-match. 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x11, 0x69, 0x66, 0x2d, 0x6d, 0x6f, // ...if-mo 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x64, 0x69, 0x66, 0x69, 0x65, 0x64, 0x2d, 0x73, // dified-s 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x69, 0x6e, 0x63, 0x65, 0x00, 0x00, 0x00, 0x0d, // ince.... 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x69, 0x66, 0x2d, 0x6e, 0x6f, 0x6e, 0x65, 0x2d, // if-none- 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6d, 0x61, 0x74, 0x63, 0x68, 0x00, 0x00, 0x00, // match... 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x08, 0x69, 0x66, 0x2d, 0x72, 0x61, 0x6e, 0x67, // .if-rang 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x00, 0x00, 0x00, 0x13, 0x69, 0x66, 0x2d, // e....if- 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x75, 0x6e, 0x6d, 0x6f, 0x64, 0x69, 0x66, 0x69, // unmodifi 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x64, 0x2d, 0x73, 0x69, 0x6e, 0x63, 0x65, // ed-since 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x00, 0x0d, 0x6c, 0x61, 0x73, 0x74, // ....last 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x2d, 0x6d, 0x6f, 0x64, 0x69, 0x66, 0x69, 0x65, // -modifie 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x64, 0x00, 0x00, 0x00, 0x08, 0x6c, 0x6f, 0x63, // d....loc 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x00, 0x00, // ation... 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x0c, 0x6d, 0x61, 0x78, 0x2d, 0x66, 0x6f, 0x72, // .max-for 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x77, 0x61, 0x72, 0x64, 0x73, 0x00, 0x00, 0x00, // wards... 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x06, 0x70, 0x72, 0x61, 0x67, 0x6d, 0x61, 0x00, // .pragma. 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x12, 0x70, 0x72, 0x6f, 0x78, 0x79, // ...proxy 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x2d, 0x61, 0x75, 0x74, 0x68, 0x65, 0x6e, 0x74, // -authent 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x69, 0x63, 0x61, 0x74, 0x65, 0x00, 0x00, 0x00, // icate... 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x13, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2d, 0x61, // .proxy-a 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x75, 0x74, 0x68, 0x6f, 0x72, 0x69, 0x7a, 0x61, // uthoriza 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x00, 0x00, 0x05, // tion.... 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x72, 0x61, 0x6e, 0x67, 0x65, 0x00, 0x00, 0x00, // range... 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x07, 0x72, 0x65, 0x66, 0x65, 0x72, 0x65, 0x72, // .referer 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x00, 0x0b, 0x72, 0x65, 0x74, 0x72, // ....retr 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x79, 0x2d, 0x61, 0x66, 0x74, 0x65, 0x72, 0x00, // y-after. 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x06, 0x73, 0x65, 0x72, 0x76, 0x65, // ...serve 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x72, 0x00, 0x00, 0x00, 0x02, 0x74, 0x65, 0x00, // r....te. 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x07, 0x74, 0x72, 0x61, 0x69, 0x6c, // ...trail 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x72, 0x00, 0x00, 0x00, 0x11, 0x74, 0x72, // er....tr 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x2d, 0x65, // ansfer-e 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6e, 0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x00, // ncoding. 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x07, 0x75, 0x70, 0x67, 0x72, 0x61, // ...upgra 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x64, 0x65, 0x00, 0x00, 0x00, 0x0a, 0x75, 0x73, // de....us 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x72, 0x2d, 0x61, 0x67, 0x65, 0x6e, 0x74, // er-agent 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x00, 0x04, 0x76, 0x61, 0x72, 0x79, // ....vary 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x00, 0x03, 0x76, 0x69, 0x61, 0x00, // ....via. 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x07, 0x77, 0x61, 0x72, 0x6e, 0x69, // ...warni 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6e, 0x67, 0x00, 0x00, 0x00, 0x10, 0x77, 0x77, // ng....ww 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x77, 0x2d, 0x61, 0x75, 0x74, 0x68, 0x65, 0x6e, // w-authen 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x74, 0x69, 0x63, 0x61, 0x74, 0x65, 0x00, 0x00, // ticate.. 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x06, 0x6d, 0x65, 0x74, 0x68, 0x6f, 0x64, // ..method 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x00, 0x03, 0x67, 0x65, 0x74, 0x00, // ....get. 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x06, 0x73, 0x74, 0x61, 0x74, 0x75, // ...statu 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x73, 0x00, 0x00, 0x00, 0x06, 0x32, 0x30, 0x30, // s....200 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x20, 0x4f, 0x4b, 0x00, 0x00, 0x00, 0x07, 0x76, // .OK....v 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x00, 0x00, // ersion.. 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x08, 0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, // ..HTTP.1 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x2e, 0x31, 0x00, 0x00, 0x00, 0x03, 0x75, 0x72, // .1....ur 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6c, 0x00, 0x00, 0x00, 0x06, 0x70, 0x75, 0x62, // l....pub 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6c, 0x69, 0x63, 0x00, 0x00, 0x00, 0x0a, 0x73, // lic....s 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x74, 0x2d, 0x63, 0x6f, 0x6f, 0x6b, 0x69, // et-cooki 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x00, 0x00, 0x00, 0x0a, 0x6b, 0x65, 0x65, // e....kee 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x70, 0x2d, 0x61, 0x6c, 0x69, 0x76, 0x65, 0x00, // p-alive. 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x00, 0x00, 0x06, 0x6f, 0x72, 0x69, 0x67, 0x69, // ...origi 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6e, 0x31, 0x30, 0x30, 0x31, 0x30, 0x31, 0x32, // n1001012 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x30, 0x31, 0x32, 0x30, 0x32, 0x32, 0x30, 0x35, // 01202205 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x32, 0x30, 0x36, 0x33, 0x30, 0x30, 0x33, 0x30, // 20630030 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x32, 0x33, 0x30, 0x33, 0x33, 0x30, 0x34, 0x33, // 23033043 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x30, 0x35, 0x33, 0x30, 0x36, 0x33, 0x30, 0x37, // 05306307 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x34, 0x30, 0x32, 0x34, 0x30, 0x35, 0x34, 0x30, // 40240540 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x36, 0x34, 0x30, 0x37, 0x34, 0x30, 0x38, 0x34, // 64074084 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x30, 0x39, 0x34, 0x31, 0x30, 0x34, 0x31, 0x31, // 09410411 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x34, 0x31, 0x32, 0x34, 0x31, 0x33, 0x34, 0x31, // 41241341 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x34, 0x34, 0x31, 0x35, 0x34, 0x31, 0x36, 0x34, // 44154164 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x31, 0x37, 0x35, 0x30, 0x32, 0x35, 0x30, 0x34, // 17502504 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x35, 0x30, 0x35, 0x32, 0x30, 0x33, 0x20, 0x4e, // 505203.N 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6f, 0x6e, 0x2d, 0x41, 0x75, 0x74, 0x68, 0x6f, // on-Autho 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x72, 0x69, 0x74, 0x61, 0x74, 0x69, 0x76, 0x65, // ritative 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x20, 0x49, 0x6e, 0x66, 0x6f, 0x72, 0x6d, 0x61, // .Informa 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x74, 0x69, 0x6f, 0x6e, 0x32, 0x30, 0x34, 0x20, // tion204. 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x4e, 0x6f, 0x20, 0x43, 0x6f, 0x6e, 0x74, 0x65, // No.Conte 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6e, 0x74, 0x33, 0x30, 0x31, 0x20, 0x4d, 0x6f, // nt301.Mo 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x76, 0x65, 0x64, 0x20, 0x50, 0x65, 0x72, 0x6d, // ved.Perm 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x61, 0x6e, 0x65, 0x6e, 0x74, 0x6c, 0x79, 0x34, // anently4 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x30, 0x30, 0x20, 0x42, 0x61, 0x64, 0x20, 0x52, // 00.Bad.R 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x34, 0x30, // equest40 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x31, 0x20, 0x55, 0x6e, 0x61, 0x75, 0x74, 0x68, // 1.Unauth 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6f, 0x72, 0x69, 0x7a, 0x65, 0x64, 0x34, 0x30, // orized40 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x33, 0x20, 0x46, 0x6f, 0x72, 0x62, 0x69, 0x64, // 3.Forbid 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x64, 0x65, 0x6e, 0x34, 0x30, 0x34, 0x20, 0x4e, // den404.N 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6f, 0x74, 0x20, 0x46, 0x6f, 0x75, 0x6e, 0x64, // ot.Found 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x35, 0x30, 0x30, 0x20, 0x49, 0x6e, 0x74, 0x65, // 500.Inte 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x72, 0x6e, 0x61, 0x6c, 0x20, 0x53, 0x65, 0x72, // rnal.Ser 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x76, 0x65, 0x72, 0x20, 0x45, 0x72, 0x72, 0x6f, // ver.Erro 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x72, 0x35, 0x30, 0x31, 0x20, 0x4e, 0x6f, 0x74, // r501.Not 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x20, 0x49, 0x6d, 0x70, 0x6c, 0x65, 0x6d, 0x65, // .Impleme 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6e, 0x74, 0x65, 0x64, 0x35, 0x30, 0x33, 0x20, // nted503. 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x20, // Service. 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x55, 0x6e, 0x61, 0x76, 0x61, 0x69, 0x6c, 0x61, // Unavaila 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x62, 0x6c, 0x65, 0x4a, 0x61, 0x6e, 0x20, 0x46, // bleJan.F 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x62, 0x20, 0x4d, 0x61, 0x72, 0x20, 0x41, // eb.Mar.A 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x70, 0x72, 0x20, 0x4d, 0x61, 0x79, 0x20, 0x4a, // pr.May.J 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x75, 0x6e, 0x20, 0x4a, 0x75, 0x6c, 0x20, 0x41, // un.Jul.A 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x75, 0x67, 0x20, 0x53, 0x65, 0x70, 0x74, 0x20, // ug.Sept. 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x4f, 0x63, 0x74, 0x20, 0x4e, 0x6f, 0x76, 0x20, // Oct.Nov. 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x44, 0x65, 0x63, 0x20, 0x30, 0x30, 0x3a, 0x30, // Dec.00.0 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x30, 0x3a, 0x30, 0x30, 0x20, 0x4d, 0x6f, 0x6e, // 0.00.Mon 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x2c, 0x20, 0x54, 0x75, 0x65, 0x2c, 0x20, 0x57, // ..Tue..W 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x64, 0x2c, 0x20, 0x54, 0x68, 0x75, 0x2c, // ed..Thu. 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x20, 0x46, 0x72, 0x69, 0x2c, 0x20, 0x53, 0x61, // .Fri..Sa 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x74, 0x2c, 0x20, 0x53, 0x75, 0x6e, 0x2c, 0x20, // t..Sun.. 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x47, 0x4d, 0x54, 0x63, 0x68, 0x75, 0x6e, 0x6b, // GMTchunk 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x64, 0x2c, 0x74, 0x65, 0x78, 0x74, 0x2f, // ed.text. 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x68, 0x74, 0x6d, 0x6c, 0x2c, 0x69, 0x6d, 0x61, // html.ima 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x67, 0x65, 0x2f, 0x70, 0x6e, 0x67, 0x2c, 0x69, // ge.png.i 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6d, 0x61, 0x67, 0x65, 0x2f, 0x6a, 0x70, 0x67, // mage.jpg 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x2c, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x2f, 0x67, // .image.g 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x69, 0x66, 0x2c, 0x61, 0x70, 0x70, 0x6c, 0x69, // if.appli 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x78, // cation.x 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x6d, 0x6c, 0x2c, 0x61, 0x70, 0x70, 0x6c, 0x69, // ml.appli 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x78, // cation.x 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x68, 0x74, 0x6d, 0x6c, 0x2b, 0x78, 0x6d, 0x6c, // html.xml 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x2c, 0x74, 0x65, 0x78, 0x74, 0x2f, 0x70, 0x6c, // .text.pl 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x61, 0x69, 0x6e, 0x2c, 0x74, 0x65, 0x78, 0x74, // ain.text 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x2f, 0x6a, 0x61, 0x76, 0x61, 0x73, 0x63, 0x72, // .javascr 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x69, 0x70, 0x74, 0x2c, 0x70, 0x75, 0x62, 0x6c, // ipt.publ 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x69, 0x63, 0x70, 0x72, 0x69, 0x76, 0x61, 0x74, // icprivat 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x65, 0x6d, 0x61, 0x78, 0x2d, 0x61, 0x67, 0x65, // emax-age 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x3d, 0x67, 0x7a, 0x69, 0x70, 0x2c, 0x64, 0x65, // .gzip.de 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x66, 0x6c, 0x61, 0x74, 0x65, 0x2c, 0x73, 0x64, // flate.sd 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x63, 0x68, 0x63, 0x68, 0x61, 0x72, 0x73, 0x65, // chcharse 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x74, 0x3d, 0x75, 0x74, 0x66, 0x2d, 0x38, 0x63, // t.utf-8c 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x68, 0x61, 0x72, 0x73, 0x65, 0x74, 0x3d, 0x69, // harset.i 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x73, 0x6f, 0x2d, 0x38, 0x38, 0x35, 0x39, 0x2d, // so-8859- 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x31, 0x2c, 0x75, 0x74, 0x66, 0x2d, 0x2c, 0x2a, // 1.utf-.. 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0x2c, 0x65, 0x6e, 0x71, 0x3d, 0x30, 0x2e // .enq.0. 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int kV3DictionarySize = arraysize(kV3Dictionary); 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 262a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)// The HTTP/2 connection header prefix, which must be the first bytes 263a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)// sent by the client upon starting an HTTP/2 connection, and which 264a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)// must be followed by a SETTINGS frame. 2652385ea399aae016c0806a4f9ef3c9cfe3d2a39dfBen Murdoch// 2662385ea399aae016c0806a4f9ef3c9cfe3d2a39dfBen Murdoch// Equivalent to the string "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" 2672385ea399aae016c0806a4f9ef3c9cfe3d2a39dfBen Murdoch// (without the null terminator). 2682385ea399aae016c0806a4f9ef3c9cfe3d2a39dfBen Murdochconst char kHttp2ConnectionHeaderPrefix[] = { 2692385ea399aae016c0806a4f9ef3c9cfe3d2a39dfBen Murdoch 0x50, 0x52, 0x49, 0x20, 0x2a, 0x20, 0x48, 0x54, // PRI * HT 2702385ea399aae016c0806a4f9ef3c9cfe3d2a39dfBen Murdoch 0x54, 0x50, 0x2f, 0x32, 0x2e, 0x30, 0x0d, 0x0a, // TP/2.0.. 2712385ea399aae016c0806a4f9ef3c9cfe3d2a39dfBen Murdoch 0x0d, 0x0a, 0x53, 0x4d, 0x0d, 0x0a, 0x0d, 0x0a // ..SM.... 2722385ea399aae016c0806a4f9ef3c9cfe3d2a39dfBen Murdoch}; 273a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)const int kHttp2ConnectionHeaderPrefixSize = 274a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) arraysize(kHttp2ConnectionHeaderPrefix); 275a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 276c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Types of SPDY frames. 277c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)enum SpdyFrameType { 278116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DATA, 279116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch SYN_STREAM, 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SYN_REPLY, 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RST_STREAM, 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SETTINGS, 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PING, 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GOAWAY, 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HEADERS, 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WINDOW_UPDATE, 287116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch CREDENTIAL = 10, // No longer valid. Kept for identifiability. 288868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) BLOCKED, 2897dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch PUSH_PROMISE, 290a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) CONTINUATION, 291cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ALTSVC, 292116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch PRIORITY 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Flags on data packets. 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)enum SpdyDataFlags { 297cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DATA_FLAG_NONE = 0x00, 2984ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch DATA_FLAG_FIN = 0x01, 2994ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch DATA_FLAG_END_SEGMENT = 0x02, 300116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DATA_FLAG_PADDED = 0x08, 301cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DATA_FLAG_COMPRESSED = 0x20, 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Flags on control packets 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)enum SpdyControlFlags { 306cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) CONTROL_FLAG_NONE = 0x00, 307cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) CONTROL_FLAG_FIN = 0x01, 308cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) CONTROL_FLAG_UNIDIRECTIONAL = 0x02, 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 311a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)enum SpdyPingFlags { 312cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) PING_FLAG_ACK = 0x01, 313a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)}; 314a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 315cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)// Used by HEADERS, PUSH_PROMISE, and CONTINUATION. 3165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)enum SpdyHeadersFlags { 317cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) HEADERS_FLAG_END_SEGMENT = 0x02, 318cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) HEADERS_FLAG_END_HEADERS = 0x04, 319116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch HEADERS_FLAG_PADDED = 0x08, 320cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) HEADERS_FLAG_PRIORITY = 0x20, 321a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)}; 322a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 323a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)enum SpdyPushPromiseFlags { 324cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) PUSH_PROMISE_FLAG_END_PUSH_PROMISE = 0x04, 325116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch PUSH_PROMISE_FLAG_PADDED = 0x08, 3265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)}; 3275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Flags on the SETTINGS control frame. 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)enum SpdySettingsControlFlags { 330cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) SETTINGS_FLAG_CLEAR_PREVIOUSLY_PERSISTED_SETTINGS = 0x01, 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 333a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)enum Http2SettingsControlFlags { 334cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) SETTINGS_FLAG_ACK = 0x01, 335a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)}; 336a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Flags for settings within a SETTINGS frame. 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)enum SpdySettingsFlags { 339cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) SETTINGS_FLAG_NONE = 0x00, 340cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) SETTINGS_FLAG_PLEASE_PERSIST = 0x01, 341cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) SETTINGS_FLAG_PERSISTED = 0x02, 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 344e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch// List of known settings. Avoid changing these enum values, as persisted 345e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch// settings are keyed on them, and they are also exposed in net-internals. 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)enum SpdySettingsIds { 347e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch SETTINGS_UPLOAD_BANDWIDTH = 0x1, 348e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch SETTINGS_DOWNLOAD_BANDWIDTH = 0x2, 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Network round trip time in milliseconds. 350e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch SETTINGS_ROUND_TRIP_TIME = 0x3, 3514ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // The maximum number of simultaneous live streams in each direction. 352e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch SETTINGS_MAX_CONCURRENT_STREAMS = 0x4, 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TCP congestion window in packets. 354e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch SETTINGS_CURRENT_CWND = 0x5, 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Downstream byte retransmission rate in percentage. 356e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch SETTINGS_DOWNLOAD_RETRANS_RATE = 0x6, 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Initial window size in bytes 358e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch SETTINGS_INITIAL_WINDOW_SIZE = 0x7, 3594ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // HPACK header table maximum size. 360e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch SETTINGS_HEADER_TABLE_SIZE = 0x8, 3614ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // Whether or not server push (PUSH_PROMISE) is enabled. 362e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch SETTINGS_ENABLE_PUSH = 0x9, 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Status codes for RST_STREAM frames. 3662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)enum SpdyRstStreamStatus { 3672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RST_STREAM_INVALID = 0, 3682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RST_STREAM_PROTOCOL_ERROR = 1, 3692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RST_STREAM_INVALID_STREAM = 2, 3705c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu RST_STREAM_STREAM_CLOSED = 2, // Equivalent to INVALID_STREAM 3712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RST_STREAM_REFUSED_STREAM = 3, 3722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RST_STREAM_UNSUPPORTED_VERSION = 4, 3732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RST_STREAM_CANCEL = 5, 3742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RST_STREAM_INTERNAL_ERROR = 6, 3752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RST_STREAM_FLOW_CONTROL_ERROR = 7, 3762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RST_STREAM_STREAM_IN_USE = 8, 3772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RST_STREAM_STREAM_ALREADY_CLOSED = 9, 3782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RST_STREAM_INVALID_CREDENTIALS = 10, 3795c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // FRAME_TOO_LARGE (defined by SPDY versions 3.1 and below), and 3805c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // FRAME_SIZE_ERROR (defined by HTTP/2) are mapped to the same internal 3815c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // reset status. 3822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RST_STREAM_FRAME_TOO_LARGE = 11, 3835c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu RST_STREAM_FRAME_SIZE_ERROR = 11, 3845c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu RST_STREAM_SETTINGS_TIMEOUT = 12, 3855c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu RST_STREAM_CONNECT_ERROR = 13, 3865c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu RST_STREAM_ENHANCE_YOUR_CALM = 14, 3875c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu RST_STREAM_NUM_STATUS_CODES = 15 3882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 3892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Status codes for GOAWAY frames. 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)enum SpdyGoAwayStatus { 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GOAWAY_OK = 0, 3935c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu GOAWAY_NO_ERROR = GOAWAY_OK, 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GOAWAY_PROTOCOL_ERROR = 1, 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GOAWAY_INTERNAL_ERROR = 2, 3965c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu GOAWAY_FLOW_CONTROL_ERROR = 3, 3975c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu GOAWAY_SETTINGS_TIMEOUT = 4, 3985c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu GOAWAY_STREAM_CLOSED = 5, 3995c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu GOAWAY_FRAME_SIZE_ERROR = 6, 4005c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu GOAWAY_REFUSED_STREAM = 7, 4015c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu GOAWAY_CANCEL = 8, 4025c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu GOAWAY_COMPRESSION_ERROR = 9, 4035c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu GOAWAY_CONNECT_ERROR = 10, 4045c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu GOAWAY_ENHANCE_YOUR_CALM = 11, 4055c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu GOAWAY_INADEQUATE_SECURITY = 12 4065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A SPDY priority is a number between 0 and 7 (inclusive). 409a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// SPDY priority range is version-dependent. For SPDY 2 and below, priority is a 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// number between 0 and 3. 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef uint8 SpdyPriority; 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)typedef std::map<std::string, std::string> SpdyNameValueBlock; 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)typedef uint64 SpdyPingId; 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 417cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)typedef std::string SpdyProtocolId; 418cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 4194ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch// TODO(hkhalil): Add direct testing for this? It won't increase coverage any, 4204ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch// but is good to do anyway. 4214ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdochclass NET_EXPORT_PRIVATE SpdyConstants { 4224ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch public: 4234ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // Returns true if a given on-the-wire enumeration of a frame type is valid 4244ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // for a given protocol version, false otherwise. 4254ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch static bool IsValidFrameType(SpdyMajorVersion version, int frame_type_field); 4264ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch 4274ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // Parses a frame type from an on-the-wire enumeration of a given protocol 4284ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // version. 4294ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // Behavior is undefined for invalid frame type fields; consumers should first 4304ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // use IsValidFrameType() to verify validity of frame type fields. 4314ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch static SpdyFrameType ParseFrameType(SpdyMajorVersion version, 4324ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch int frame_type_field); 4334ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch 4344ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // Serializes a given frame type to the on-the-wire enumeration value for the 4354ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // given protocol version. 4364ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // Returns -1 on failure (I.E. Invalid frame type for the given version). 4374ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch static int SerializeFrameType(SpdyMajorVersion version, 4384ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch SpdyFrameType frame_type); 4394ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch 440116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // Returns the frame type for non-control (i.e. data) frames 441116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // in the given SPDY version. 442116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch static int DataFrameType(SpdyMajorVersion version); 443116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 4444ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // Returns true if a given on-the-wire enumeration of a setting id is valid 4454ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // for a given protocol version, false otherwise. 4464ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch static bool IsValidSettingId(SpdyMajorVersion version, int setting_id_field); 4474ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch 4484ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // Parses a setting id from an on-the-wire enumeration of a given protocol 4494ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // version. 4504ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // Behavior is undefined for invalid setting id fields; consumers should first 4514ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // use IsValidSettingId() to verify validity of setting id fields. 4524ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch static SpdySettingsIds ParseSettingId(SpdyMajorVersion version, 4534ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch int setting_id_field); 4544ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch 4554ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // Serializes a given setting id to the on-the-wire enumeration value for the 4564ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // given protocol version. 4574ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // Returns -1 on failure (I.E. Invalid setting id for the given version). 4584ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch static int SerializeSettingId(SpdyMajorVersion version, SpdySettingsIds id); 4595c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 4605c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Returns true if a given on-the-wire enumeration of a RST_STREAM status code 4615c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // is valid for a given protocol version, false otherwise. 4625c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static bool IsValidRstStreamStatus(SpdyMajorVersion version, 4635c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu int rst_stream_status_field); 4645c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 4655c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Parses a RST_STREAM status code from an on-the-wire enumeration of a given 4665c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // protocol version. 4675c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Behavior is undefined for invalid RST_STREAM status code fields; consumers 4685c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // should first use IsValidRstStreamStatus() to verify validity of RST_STREAM 4695c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // status code fields.. 4705c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static SpdyRstStreamStatus ParseRstStreamStatus(SpdyMajorVersion version, 4715c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu int rst_stream_status_field); 4725c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 4735c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Serializes a given RST_STREAM status code to the on-the-wire enumeration 4745c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // value for the given protocol version. 4755c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Returns -1 on failure (I.E. Invalid RST_STREAM status code for the given 4765c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // version). 4775c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static int SerializeRstStreamStatus(SpdyMajorVersion version, 4785c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu SpdyRstStreamStatus rst_stream_status); 4795c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 4805c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Returns true if a given on-the-wire enumeration of a GOAWAY status code is 4815c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // valid for the given protocol version, false otherwise. 4825c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static bool IsValidGoAwayStatus(SpdyMajorVersion version, 4835c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu int goaway_status_field); 4845c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 4855c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Parses a GOAWAY status from an on-the-wire enumeration of a given protocol 4865c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // version. 4875c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Behavior is undefined for invalid GOAWAY status fields; consumers should 4885c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // first use IsValidGoAwayStatus() to verify validity of GOAWAY status fields. 4895c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static SpdyGoAwayStatus ParseGoAwayStatus(SpdyMajorVersion version, 4905c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu int goaway_status_field); 4915c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 4925c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Serializes a given GOAWAY status to the on-the-wire enumeration value for 4935c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // the given protocol version. 4945c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Returns -1 on failure (I.E. Invalid GOAWAY status for the given version). 4955c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static int SerializeGoAwayStatus(SpdyMajorVersion version, 4965c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu SpdyGoAwayStatus status); 4975c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 4985c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Size, in bytes, of the data frame header. Future versions of SPDY 4995c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // will likely vary this, so we allow for the flexibility of a function call 5005c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // for this value as opposed to a constant. 5015c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static size_t GetDataFrameMinimumSize(); 5025c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 5035c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Size, in bytes, of the control frame header. 5045c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static size_t GetControlFrameHeaderSize(SpdyMajorVersion version); 5055c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 5065c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static size_t GetPrefixLength(SpdyFrameType type, SpdyMajorVersion version); 5075c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 5085c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static size_t GetFrameMaximumSize(SpdyMajorVersion version); 5095c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 510cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Returns the size of a header block size field. Valid only for SPDY 511cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // versions <= 3. 512cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) static size_t GetSizeOfSizeField(SpdyMajorVersion version); 513cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 514116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // Returns the size (in bytes) of a wire setting ID and value. 515116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch static size_t GetSettingSize(SpdyMajorVersion version); 516116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 5175c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static SpdyMajorVersion ParseMajorVersion(int version_number); 5185c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 5195c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static int SerializeMajorVersion(SpdyMajorVersion version); 5205c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 5215c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu static std::string GetVersionString(SpdyMajorVersion version); 5224ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch}; 5234ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch 5242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class SpdyFrame; 5252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)typedef SpdyFrame SpdySerializedFrame; 5265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 527eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochclass SpdyFrameVisitor; 5285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Intermediate representation for SPDY frames. 5302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// TODO(hkhalil): Rename this class to SpdyFrame when the existing SpdyFrame is 5312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// gone. 5325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class NET_EXPORT_PRIVATE SpdyFrameIR { 5332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public: 5342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual ~SpdyFrameIR() {} 5355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 536eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void Visit(SpdyFrameVisitor* visitor) const = 0; 537eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 5382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) protected: 5392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyFrameIR() {} 5405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) private: 5422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyFrameIR); 5435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 5445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Abstract class intended to be inherited by IRs that have a stream associated 5462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// to them. 5475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class NET_EXPORT_PRIVATE SpdyFrameWithStreamIdIR : public SpdyFrameIR { 5485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 5492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual ~SpdyFrameWithStreamIdIR() {} 5502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyStreamId stream_id() const { return stream_id_; } 5512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_stream_id(SpdyStreamId stream_id) { 5522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK_EQ(0u, stream_id & ~kStreamIdMask); 5532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) stream_id_ = stream_id; 5545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) protected: 5572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit SpdyFrameWithStreamIdIR(SpdyStreamId stream_id) { 5582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) set_stream_id(stream_id); 5595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) private: 5622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyStreamId stream_id_; 5635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyFrameWithStreamIdIR); 5652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 5665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Abstract class intended to be inherited by IRs that have the option of a FIN 5682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// flag. Implies SpdyFrameWithStreamIdIR. 5695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class NET_EXPORT_PRIVATE SpdyFrameWithFinIR : public SpdyFrameWithStreamIdIR { 5702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public: 5712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual ~SpdyFrameWithFinIR() {} 5722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool fin() const { return fin_; } 5732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_fin(bool fin) { fin_ = fin; } 5745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 5762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit SpdyFrameWithFinIR(SpdyStreamId stream_id) 5772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : SpdyFrameWithStreamIdIR(stream_id), 5782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) fin_(false) {} 5795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 5812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool fin_; 5822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyFrameWithFinIR); 5845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 5855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Abstract class intended to be inherited by IRs that contain a name-value 5872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// block. Implies SpdyFrameWithFinIR. 5882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class NET_EXPORT_PRIVATE SpdyFrameWithNameValueBlockIR 5892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : public NON_EXPORTED_BASE(SpdyFrameWithFinIR) { 5905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 5912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const SpdyNameValueBlock& name_value_block() const { 5922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return name_value_block_; 5935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) void set_name_value_block(const SpdyNameValueBlock& name_value_block) { 5955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Deep copy. 5965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) name_value_block_ = name_value_block; 5975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 5982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetHeader(const base::StringPiece& name, 5992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const base::StringPiece& value) { 6002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) name_value_block_[name.as_string()] = value.as_string(); 6015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 602c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch SpdyNameValueBlock* mutable_name_value_block() { 603c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch return &name_value_block_; 604c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch } 6055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) protected: 6072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit SpdyFrameWithNameValueBlockIR(SpdyStreamId stream_id); 6082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual ~SpdyFrameWithNameValueBlockIR(); 6095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 6112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyNameValueBlock name_value_block_; 6122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyFrameWithNameValueBlockIR); 6145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 6155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class NET_EXPORT_PRIVATE SpdyDataIR 6172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : public NON_EXPORTED_BASE(SpdyFrameWithFinIR) { 6185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 6192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Performs deep copy on data. 6202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyDataIR(SpdyStreamId stream_id, const base::StringPiece& data); 6215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Use in conjunction with SetDataShallow() for shallow-copy on data. 6232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit SpdyDataIR(SpdyStreamId stream_id); 6245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual ~SpdyDataIR(); 6265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::StringPiece data() const { return data_; } 6285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 629116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch bool padded() const { return padded_; } 6304ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch 6314ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch int padding_payload_len() const { return padding_payload_len_; } 6324ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch 6334ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch void set_padding_len(int padding_len) { 6344ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch DCHECK_GT(padding_len, 0); 635116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DCHECK_LE(padding_len, kPaddingSizePerFrame); 636116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch padded_ = true; 637116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // The pad field takes one octet on the wire. 638116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch padding_payload_len_ = padding_len - 1; 6394ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch } 6404ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch 6412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Deep-copy of data (keep private copy). 6422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetDataDeep(const base::StringPiece& data) { 6432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) data_store_.reset(new std::string(data.data(), data.length())); 6442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) data_ = *(data_store_.get()); 6455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Shallow-copy of data (do not keep private copy). 6482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetDataShallow(const base::StringPiece& data) { 6492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) data_store_.reset(); 6502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) data_ = data; 6515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 653eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 654eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 6555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 6562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Used to store data that this SpdyDataIR should own. 6572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<std::string> data_store_; 6582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::StringPiece data_; 6592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 660116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch bool padded_; 6614ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch // padding_payload_len_ = desired padding length - len(padding length field). 6624ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch int padding_payload_len_; 6634ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch 6642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyDataIR); 6655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 6665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 667eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochclass NET_EXPORT_PRIVATE SpdySynStreamIR 668eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch : public SpdyFrameWithNameValueBlockIR { 6695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 6702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit SpdySynStreamIR(SpdyStreamId stream_id) 6712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : SpdyFrameWithNameValueBlockIR(stream_id), 6722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) associated_to_stream_id_(0), 6732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) priority_(0), 6742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) unidirectional_(false) {} 6752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyStreamId associated_to_stream_id() const { 6762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return associated_to_stream_id_; 6772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_associated_to_stream_id(SpdyStreamId stream_id) { 6792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) associated_to_stream_id_ = stream_id; 6802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyPriority priority() const { return priority_; } 6822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_priority(SpdyPriority priority) { priority_ = priority; } 6832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool unidirectional() const { return unidirectional_; } 6842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_unidirectional(bool unidirectional) { 6852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) unidirectional_ = unidirectional; 6865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 688eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 689eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 6902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) private: 6912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyStreamId associated_to_stream_id_; 6922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyPriority priority_; 6932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool unidirectional_; 6945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdySynStreamIR); 6962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 6975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class NET_EXPORT_PRIVATE SpdySynReplyIR : public SpdyFrameWithNameValueBlockIR { 6992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public: 7002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit SpdySynReplyIR(SpdyStreamId stream_id) 7012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : SpdyFrameWithNameValueBlockIR(stream_id) {} 7025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 703eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 704eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 7055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 7062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdySynReplyIR); 7075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 7085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class NET_EXPORT_PRIVATE SpdyRstStreamIR : public SpdyFrameWithStreamIdIR { 7105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 7115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SpdyRstStreamIR(SpdyStreamId stream_id, SpdyRstStreamStatus status, 7125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::StringPiece description); 7135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 7145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual ~SpdyRstStreamIR(); 7155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 7162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyRstStreamStatus status() const { 7172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return status_; 7185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_status(SpdyRstStreamStatus status) { 7202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) status_ = status; 7215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::StringPiece description() const { return description_; } 7245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 7255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) void set_description(base::StringPiece description) { 7265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) description_ = description; 7275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 7285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 729eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 730eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 7315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 7322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyRstStreamStatus status_; 7335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::StringPiece description_; 7342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyRstStreamIR); 7365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 7375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class NET_EXPORT_PRIVATE SpdySettingsIR : public SpdyFrameIR { 7395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 7402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Associates flags with a value. 7412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) struct Value { 7422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Value() : persist_value(false), 7432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) persisted(false), 7442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) value(0) {} 7452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool persist_value; 7462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool persisted; 7472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int32 value; 7482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) }; 7492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) typedef std::map<SpdySettingsIds, Value> ValueMap; 7505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdySettingsIR(); 7525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual ~SpdySettingsIR(); 7545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Overwrites as appropriate. 7562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const ValueMap& values() const { return values_; } 7572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void AddSetting(SpdySettingsIds id, 7582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool persist_value, 7592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool persisted, 7602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int32 value) { 7612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) values_[id].persist_value = persist_value; 7622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) values_[id].persisted = persisted; 7632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) values_[id].value = value; 7645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 765a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 7662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool clear_settings() const { return clear_settings_; } 7672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_clear_settings(bool clear_settings) { 7682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) clear_settings_ = clear_settings; 7695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 770a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool is_ack() const { return is_ack_; } 771a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) void set_is_ack(bool is_ack) { 772a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) is_ack_ = is_ack; 773a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 7745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 776eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 7775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 7782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ValueMap values_; 7792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool clear_settings_; 780a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool is_ack_; 7812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdySettingsIR); 7835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 7845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class NET_EXPORT_PRIVATE SpdyPingIR : public SpdyFrameIR { 7865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 787a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) explicit SpdyPingIR(SpdyPingId id) : id_(id), is_ack_(false) {} 7882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyPingId id() const { return id_; } 7895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 790a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // ACK logic is valid only for SPDY versions 4 and above. 791a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool is_ack() const { return is_ack_; } 792a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) void set_is_ack(bool is_ack) { is_ack_ = is_ack; } 793a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 794eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 795eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 7965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 7972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyPingId id_; 798a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool is_ack_; 7992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyPingIR); 8015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 8025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class NET_EXPORT_PRIVATE SpdyGoAwayIR : public SpdyFrameIR { 8045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 8055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SpdyGoAwayIR(SpdyStreamId last_good_stream_id, SpdyGoAwayStatus status, 8065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const base::StringPiece& description); 8075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual ~SpdyGoAwayIR(); 8082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyStreamId last_good_stream_id() const { return last_good_stream_id_; } 8092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_last_good_stream_id(SpdyStreamId last_good_stream_id) { 8102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK_LE(0u, last_good_stream_id); 8112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK_EQ(0u, last_good_stream_id & ~kStreamIdMask); 8122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) last_good_stream_id_ = last_good_stream_id; 8132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 8142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyGoAwayStatus status() const { return status_; } 8152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_status(SpdyGoAwayStatus status) { 8162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(hkhalil): Check valid ranges of status? 8172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) status_ = status; 8185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const base::StringPiece& description() const; 8215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 822eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 823eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 8245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 8252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyStreamId last_good_stream_id_; 8262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyGoAwayStatus status_; 8275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const base::StringPiece description_; 8282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyGoAwayIR); 8305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 8315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class NET_EXPORT_PRIVATE SpdyHeadersIR : public SpdyFrameWithNameValueBlockIR { 8335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 8342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit SpdyHeadersIR(SpdyStreamId stream_id) 835a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) : SpdyFrameWithNameValueBlockIR(stream_id), 836a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) has_priority_(false), 837a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) priority_(0) {} 8385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 839eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 840eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 841a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool has_priority() const { return has_priority_; } 842a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) void set_has_priority(bool has_priority) { has_priority_ = has_priority; } 843a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) uint32 priority() const { return priority_; } 844a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) void set_priority(SpdyPriority priority) { priority_ = priority; } 845a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 8465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 847a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool has_priority_; 848a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // 31-bit priority. 849a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) uint32 priority_; 8502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyHeadersIR); 8515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 8525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class NET_EXPORT_PRIVATE SpdyWindowUpdateIR : public SpdyFrameWithStreamIdIR { 8545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 8552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyWindowUpdateIR(SpdyStreamId stream_id, int32 delta) 8562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : SpdyFrameWithStreamIdIR(stream_id) { 8572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) set_delta(delta); 8585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int32 delta() const { return delta_; } 8602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void set_delta(int32 delta) { 8612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK_LT(0, delta); 8622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK_LE(delta, kSpdyMaximumWindowSize); 8632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) delta_ = delta; 8645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 866eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 867eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 8685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 8692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int32 delta_; 8702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyWindowUpdateIR); 8725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 8735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 874eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochclass NET_EXPORT_PRIVATE SpdyBlockedIR 875eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch : public NON_EXPORTED_BASE(SpdyFrameWithStreamIdIR) { 8765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) public: 8775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) explicit SpdyBlockedIR(SpdyStreamId stream_id) 8785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) : SpdyFrameWithStreamIdIR(stream_id) {} 879868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 880eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 881eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 8825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) private: 8835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyBlockedIR); 884868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)}; 885868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 8865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class NET_EXPORT_PRIVATE SpdyPushPromiseIR 8875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) : public SpdyFrameWithNameValueBlockIR { 8887dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch public: 8897dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch SpdyPushPromiseIR(SpdyStreamId stream_id, SpdyStreamId promised_stream_id) 8907dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch : SpdyFrameWithNameValueBlockIR(stream_id), 891cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) promised_stream_id_(promised_stream_id) {} 8927dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch SpdyStreamId promised_stream_id() const { return promised_stream_id_; } 8937dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch void set_promised_stream_id(SpdyStreamId id) { promised_stream_id_ = id; } 8947dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 8957dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 8967dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 8977dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch private: 8987dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch SpdyStreamId promised_stream_id_; 8997dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch DISALLOW_COPY_AND_ASSIGN(SpdyPushPromiseIR); 9007dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch}; 9017dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 90223730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)// TODO(jgraettinger): This representation needs review. SpdyContinuationIR 90323730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)// needs to frame a portion of a single, arbitrarily-broken encoded buffer. 904a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)class NET_EXPORT_PRIVATE SpdyContinuationIR 905a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) : public SpdyFrameWithNameValueBlockIR { 906a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) public: 907a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) explicit SpdyContinuationIR(SpdyStreamId stream_id) 908a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) : SpdyFrameWithNameValueBlockIR(stream_id), 909a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) end_headers_(false) {} 910a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 911a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 912a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 913a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool end_headers() const { return end_headers_; } 914a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) void set_end_headers(bool end_headers) {end_headers_ = end_headers;} 915a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 916a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) private: 917a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool end_headers_; 918a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyContinuationIR); 919a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)}; 9207dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 921cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)class NET_EXPORT_PRIVATE SpdyAltSvcIR : public SpdyFrameWithStreamIdIR { 922cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) public: 923cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) explicit SpdyAltSvcIR(SpdyStreamId stream_id); 924cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 925cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) uint32 max_age() const { return max_age_; } 926cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) uint16 port() const { return port_; } 927cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) SpdyProtocolId protocol_id() const { 928cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return protocol_id_; 929cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 930cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::string host() const { return host_; } 931cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::string origin() const { return origin_; } 932cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 933cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) void set_max_age(uint32 max_age) { max_age_ = max_age; } 934cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) void set_port(uint16 port) { port_ = port; } 935cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) void set_protocol_id(SpdyProtocolId protocol_id) { 936cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) protocol_id_ = protocol_id; 937cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 938cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) void set_host(std::string host) { 939cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) host_ = host; 940cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 941cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) void set_origin(std::string origin) { 942cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) origin_ = origin; 943cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 944cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 945cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 946cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 947cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) private: 948cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) uint32 max_age_; 949cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) uint16 port_; 950cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) SpdyProtocolId protocol_id_; 951cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::string host_; 952cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::string origin_; 953cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyAltSvcIR); 954cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)}; 955cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 956116680a4aac90f2aa7413d9095a592090648e557Ben Murdochclass NET_EXPORT_PRIVATE SpdyPriorityIR : public SpdyFrameWithStreamIdIR { 957116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch public: 958116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch explicit SpdyPriorityIR(SpdyStreamId stream_id); 959116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch explicit SpdyPriorityIR(SpdyStreamId stream_id, 960116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch SpdyStreamId parent_stream_id, 961116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch uint8 weight, 962116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch bool exclusive); 963116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch SpdyStreamId parent_stream_id() const { return parent_stream_id_; } 964116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch void set_parent_stream_id(SpdyStreamId id) { parent_stream_id_ = id; } 965116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch uint8 weight() const { return weight_; } 966116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch void set_weight(uint8 weight) { weight_ = weight; } 967116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch bool exclusive() const { return exclusive_; } 968116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch void set_exclusive(bool exclusive) { exclusive_ = exclusive; } 969116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 970116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE; 971116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 972116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch private: 973116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch SpdyStreamId parent_stream_id_; 974116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch uint8 weight_; 975116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch bool exclusive_; 976116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DISALLOW_COPY_AND_ASSIGN(SpdyPriorityIR); 977116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch}; 978116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 9792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// ------------------------------------------------------------------------- 9802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Wrapper classes for various SPDY frames. 9815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// All Spdy Frame types derive from this SpdyFrame class. 9832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class SpdyFrame { 9842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public: 9852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Create a SpdyFrame using a pre-created buffer. 9862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If |owns_buffer| is true, this class takes ownership of the buffer 9872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // and will delete it on cleanup. The buffer must have been created using 9882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // new char[]. 9892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If |owns_buffer| is false, the caller retains ownership of the buffer and 9902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // is responsible for making sure the buffer outlives this frame. In other 9912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // words, this class does NOT create a copy of the buffer. 9922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SpdyFrame(char* data, size_t size, bool owns_buffer) 9932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : frame_(data), 9942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_(size), 9952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) owns_buffer_(owns_buffer) { 9962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(frame_); 9975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ~SpdyFrame() { 10002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (owns_buffer_) { 10012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) delete [] frame_; 10022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 10032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame_ = NULL; 10045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Provides access to the frame bytes, which is a buffer containing 10072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // the frame packed as expected for sending over the wire. 10082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) char* data() const { return frame_; } 10095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Returns the actual size of the underlying buffer. 10112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_t size() const { return size_; } 10125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) protected: 10142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) char* frame_; 10155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 10172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_t size_; 10182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool owns_buffer_; 10192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpdyFrame); 10205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 10215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1022eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch// This interface is for classes that want to process SpdyFrameIRs without 1023eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch// having to know what type they are. An instance of this interface can be 1024eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch// passed to a SpdyFrameIR's Visit method, and the appropriate type-specific 1025eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch// method of this class will be called. 1026eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochclass SpdyFrameVisitor { 1027eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch public: 1028eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void VisitSynStream(const SpdySynStreamIR& syn_stream) = 0; 1029eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void VisitSynReply(const SpdySynReplyIR& syn_reply) = 0; 1030eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void VisitRstStream(const SpdyRstStreamIR& rst_stream) = 0; 1031eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void VisitSettings(const SpdySettingsIR& settings) = 0; 1032eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void VisitPing(const SpdyPingIR& ping) = 0; 1033eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void VisitGoAway(const SpdyGoAwayIR& goaway) = 0; 1034eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void VisitHeaders(const SpdyHeadersIR& headers) = 0; 1035eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void VisitWindowUpdate(const SpdyWindowUpdateIR& window_update) = 0; 1036eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void VisitBlocked(const SpdyBlockedIR& blocked) = 0; 10377dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch virtual void VisitPushPromise(const SpdyPushPromiseIR& push_promise) = 0; 1038a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) virtual void VisitContinuation(const SpdyContinuationIR& continuation) = 0; 1039cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) virtual void VisitAltSvc(const SpdyAltSvcIR& altsvc) = 0; 1040116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch virtual void VisitPriority(const SpdyPriorityIR& priority) = 0; 1041eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual void VisitData(const SpdyDataIR& data) = 0; 1042eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 1043eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch protected: 1044eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch SpdyFrameVisitor() {} 1045eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual ~SpdyFrameVisitor() {} 1046eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 1047eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch private: 1048eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch DISALLOW_COPY_AND_ASSIGN(SpdyFrameVisitor); 1049eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch}; 1050eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 10515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace net 10525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // NET_SPDY_SPDY_PROTOCOL_H_ 1054