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annotate src/event/ngx_event_quic_transport.h @ 8476:f9fbeb4ee0de quic

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QUIC: added limit of queued data. The ngx_quic_queue_frame() functions puts a frame into send queue and schedules a push timer to actually send data. The patch adds tracking for data amount in the queue and sends data immediately if amount of data exceeds limit.
author Vladimir Homutov <vl@nginx.com>
date Thu, 16 Jul 2020 15:02:38 +0300
parents 0d1ad81dd65c
children 4604e6043657
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1
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 */
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7 #ifndef _NGX_EVENT_QUIC_WIRE_H_INCLUDED_
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8 #define _NGX_EVENT_QUIC_WIRE_H_INCLUDED_
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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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15 /* QUIC flags in first byte, see quic-transport 17.2 and 17.3 */
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16
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17 #define NGX_QUIC_PKT_LONG 0x80 /* header form */
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18 #define NGX_QUIC_PKT_FIXED_BIT 0x40
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19 #define NGX_QUIC_PKT_TYPE 0x30 /* in long packet */
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20 #define NGX_QUIC_PKT_KPHASE 0x04 /* in short packet */
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22 #define NGX_QUIC_PKT_LONG_RESERVED_BIT 0x0C
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23 #define NGX_QUIC_PKT_SHORT_RESERVED_BIT 0x18
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25 #define ngx_quic_long_pkt(flags) ((flags) & NGX_QUIC_PKT_LONG)
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26 #define ngx_quic_short_pkt(flags) (((flags) & NGX_QUIC_PKT_LONG) == 0)
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28 /* Long packet types */
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29 #define NGX_QUIC_PKT_INITIAL 0x00
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30 #define NGX_QUIC_PKT_ZRTT 0x10
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31 #define NGX_QUIC_PKT_HANDSHAKE 0x20
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32 #define NGX_QUIC_PKT_RETRY 0x30
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33
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34 #define ngx_quic_pkt_in(flags) \
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35 (((flags) & NGX_QUIC_PKT_TYPE) == NGX_QUIC_PKT_INITIAL)
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36 #define ngx_quic_pkt_zrtt(flags) \
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37 (((flags) & NGX_QUIC_PKT_TYPE) == NGX_QUIC_PKT_ZRTT)
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38 #define ngx_quic_pkt_hs(flags) \
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39 (((flags) & NGX_QUIC_PKT_TYPE) == NGX_QUIC_PKT_HANDSHAKE)
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40 #define ngx_quic_pkt_retry(flags) \
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41 (((flags) & NGX_QUIC_PKT_TYPE) == NGX_QUIC_PKT_RETRY)
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44 /* 12.4. Frames and Frame Types */
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45 #define NGX_QUIC_FT_PADDING 0x00
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46 #define NGX_QUIC_FT_PING 0x01
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47 #define NGX_QUIC_FT_ACK 0x02
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48 #define NGX_QUIC_FT_ACK_ECN 0x03
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49 #define NGX_QUIC_FT_RESET_STREAM 0x04
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50 #define NGX_QUIC_FT_STOP_SENDING 0x05
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51 #define NGX_QUIC_FT_CRYPTO 0x06
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52 #define NGX_QUIC_FT_NEW_TOKEN 0x07
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53 #define NGX_QUIC_FT_STREAM0 0x08
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54 #define NGX_QUIC_FT_STREAM1 0x09
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55 #define NGX_QUIC_FT_STREAM2 0x0A
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56 #define NGX_QUIC_FT_STREAM3 0x0B
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57 #define NGX_QUIC_FT_STREAM4 0x0C
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58 #define NGX_QUIC_FT_STREAM5 0x0D
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59 #define NGX_QUIC_FT_STREAM6 0x0E
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60 #define NGX_QUIC_FT_STREAM7 0x0F
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61 #define NGX_QUIC_FT_MAX_DATA 0x10
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62 #define NGX_QUIC_FT_MAX_STREAM_DATA 0x11
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63 #define NGX_QUIC_FT_MAX_STREAMS 0x12
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64 #define NGX_QUIC_FT_MAX_STREAMS2 0x13
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65 #define NGX_QUIC_FT_DATA_BLOCKED 0x14
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66 #define NGX_QUIC_FT_STREAM_DATA_BLOCKED 0x15
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67 #define NGX_QUIC_FT_STREAMS_BLOCKED 0x16
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68 #define NGX_QUIC_FT_STREAMS_BLOCKED2 0x17
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69 #define NGX_QUIC_FT_NEW_CONNECTION_ID 0x18
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70 #define NGX_QUIC_FT_RETIRE_CONNECTION_ID 0x19
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71 #define NGX_QUIC_FT_PATH_CHALLENGE 0x1A
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72 #define NGX_QUIC_FT_PATH_RESPONSE 0x1B
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73 #define NGX_QUIC_FT_CONNECTION_CLOSE 0x1C
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74 #define NGX_QUIC_FT_CONNECTION_CLOSE_APP 0x1D
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75 #define NGX_QUIC_FT_HANDSHAKE_DONE 0x1E
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76
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77 /* 22.4. QUIC Transport Error Codes Registry */
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78 /* Keep in sync with ngx_quic_errors[] */
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79 #define NGX_QUIC_ERR_NO_ERROR 0x00
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80 #define NGX_QUIC_ERR_INTERNAL_ERROR 0x01
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81 #define NGX_QUIC_ERR_CONNECTION_REFUSED 0x02
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82 #define NGX_QUIC_ERR_FLOW_CONTROL_ERROR 0x03
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83 #define NGX_QUIC_ERR_STREAM_LIMIT_ERROR 0x04
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84 #define NGX_QUIC_ERR_STREAM_STATE_ERROR 0x05
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85 #define NGX_QUIC_ERR_FINAL_SIZE_ERROR 0x06
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86 #define NGX_QUIC_ERR_FRAME_ENCODING_ERROR 0x07
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87 #define NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR 0x08
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88 #define NGX_QUIC_ERR_CONNECTION_ID_LIMIT_ERROR 0x09
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89 #define NGX_QUIC_ERR_PROTOCOL_VIOLATION 0x0A
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90 #define NGX_QUIC_ERR_INVALID_TOKEN 0x0B
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91 #define NGX_QUIC_ERR_APPLICATION_ERROR 0x0C
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92 #define NGX_QUIC_ERR_CRYPTO_BUFFER_EXCEEDED 0x0D
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93 #define NGX_QUIC_ERR_KEY_UPDATE_ERROR 0x0E
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95 #define NGX_QUIC_ERR_LAST 0x0F
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96 #define NGX_QUIC_ERR_CRYPTO_ERROR 0x100
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97
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98 #define NGX_QUIC_ERR_CRYPTO(e) (NGX_QUIC_ERR_CRYPTO_ERROR + (e))
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101 /* Transport parameters */
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102 #define NGX_QUIC_TP_ORIGINAL_DCID 0x00
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103 #define NGX_QUIC_TP_MAX_IDLE_TIMEOUT 0x01
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104 #define NGX_QUIC_TP_STATELESS_RESET_TOKEN 0x02
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105 #define NGX_QUIC_TP_MAX_UDP_PAYLOAD_SIZE 0x03
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106 #define NGX_QUIC_TP_INITIAL_MAX_DATA 0x04
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107 #define NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_LOCAL 0x05
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108 #define NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_REMOTE 0x06
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109 #define NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_UNI 0x07
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110 #define NGX_QUIC_TP_INITIAL_MAX_STREAMS_BIDI 0x08
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111 #define NGX_QUIC_TP_INITIAL_MAX_STREAMS_UNI 0x09
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112 #define NGX_QUIC_TP_ACK_DELAY_EXPONENT 0x0A
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113 #define NGX_QUIC_TP_MAX_ACK_DELAY 0x0B
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114 #define NGX_QUIC_TP_DISABLE_ACTIVE_MIGRATION 0x0C
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115 #define NGX_QUIC_TP_PREFERRED_ADDRESS 0x0D
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116 #define NGX_QUIC_TP_ACTIVE_CONNECTION_ID_LIMIT 0x0E
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117 #define NGX_QUIC_TP_INITIAL_SCID 0x0F
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118 #define NGX_QUIC_TP_RETRY_SCID 0x10
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119
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120 #define NGX_QUIC_CID_LEN_MIN 8
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121 #define NGX_QUIC_CID_LEN_MAX 20
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123
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124 typedef struct {
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125 uint64_t largest;
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126 uint64_t delay;
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127 uint64_t range_count;
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128 uint64_t first_range;
8326
1cdd53532309 ACK ranges processing.
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129 uint64_t ect0;
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130 uint64_t ect1;
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diff changeset
131 uint64_t ce;
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132 u_char *ranges_start;
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133 u_char *ranges_end;
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134 } ngx_quic_ack_frame_t;
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135
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136
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137 typedef struct {
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138 uint64_t seqnum;
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139 uint64_t retire;
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diff changeset
140 uint8_t len;
8387
eebdda507ec3 Added tests for connection id lengths in initial packet.
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diff changeset
141 u_char cid[NGX_QUIC_CID_LEN_MAX];
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142 u_char srt[16];
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143 } ngx_quic_new_conn_id_frame_t;
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144
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145
8384
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146 typedef struct {
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147 uint64_t length;
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diff changeset
148 u_char *data;
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diff changeset
149 } ngx_quic_new_token_frame_t;
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150
8333
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151 /*
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152 * common layout for CRYPTO and STREAM frames;
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153 * conceptually, CRYPTO frame is also a stream
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154 * frame lacking some properties
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155 */
8224
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156 typedef struct {
8333
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157 uint64_t offset;
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158 uint64_t length;
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159 u_char *data;
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160 } ngx_quic_ordered_frame_t;
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161
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162 typedef ngx_quic_ordered_frame_t ngx_quic_crypto_frame_t;
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163
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diff changeset
164
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diff changeset
165 typedef struct {
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diff changeset
166 /* initial fields same as in ngx_quic_ordered_frame_t */
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diff changeset
167 uint64_t offset;
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diff changeset
168 uint64_t length;
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169 u_char *data;
167d32476737 Crypto buffer frames reordering.
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170
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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171 uint8_t type;
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172 uint64_t stream_id;
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173 unsigned off:1;
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diff changeset
174 unsigned len:1;
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diff changeset
175 unsigned fin:1;
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176 } ngx_quic_stream_frame_t;
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177
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diff changeset
178
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179 typedef struct {
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
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180 uint64_t max_data;
ff540f13d95d MAX_DATA frame parser/handler.
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181 } ngx_quic_max_data_frame_t;
ff540f13d95d MAX_DATA frame parser/handler.
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182
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diff changeset
183
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diff changeset
184 typedef struct {
8224
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185 uint64_t error_code;
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diff changeset
186 uint64_t frame_type;
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diff changeset
187 ngx_str_t reason;
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8447
diff changeset
188 ngx_uint_t app; /* unsigned app:1; */
8224
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189 } ngx_quic_close_frame_t;
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190
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diff changeset
191
8231
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
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diff changeset
192 typedef struct {
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diff changeset
193 uint64_t id;
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diff changeset
194 uint64_t error_code;
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diff changeset
195 uint64_t final_size;
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diff changeset
196 } ngx_quic_reset_stream_frame_t;
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197
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
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diff changeset
198
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
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diff changeset
199 typedef struct {
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diff changeset
200 uint64_t id;
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diff changeset
201 uint64_t error_code;
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diff changeset
202 } ngx_quic_stop_sending_frame_t;
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203
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diff changeset
204
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
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diff changeset
205 typedef struct {
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
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diff changeset
206 uint64_t limit;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
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diff changeset
207 ngx_uint_t bidi; /* unsigned: bidi:1 */
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
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diff changeset
208 } ngx_quic_streams_blocked_frame_t;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
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diff changeset
209
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
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diff changeset
210
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
211 typedef struct {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
212 uint64_t limit;
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Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
213 ngx_uint_t bidi; /* unsigned: bidi:1 */
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
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parents: 8241
diff changeset
214 } ngx_quic_max_streams_frame_t;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
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parents: 8241
diff changeset
215
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
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diff changeset
216
8257
085fd6e68367 Implemented parsing of remaining frame types.
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diff changeset
217 typedef struct {
085fd6e68367 Implemented parsing of remaining frame types.
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diff changeset
218 uint64_t id;
085fd6e68367 Implemented parsing of remaining frame types.
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diff changeset
219 uint64_t limit;
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diff changeset
220 } ngx_quic_max_stream_data_frame_t;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
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diff changeset
221
085fd6e68367 Implemented parsing of remaining frame types.
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diff changeset
222
085fd6e68367 Implemented parsing of remaining frame types.
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diff changeset
223 typedef struct {
085fd6e68367 Implemented parsing of remaining frame types.
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parents: 8251
diff changeset
224 uint64_t limit;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
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diff changeset
225 } ngx_quic_data_blocked_frame_t;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
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diff changeset
226
085fd6e68367 Implemented parsing of remaining frame types.
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diff changeset
227
085fd6e68367 Implemented parsing of remaining frame types.
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diff changeset
228 typedef struct {
085fd6e68367 Implemented parsing of remaining frame types.
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diff changeset
229 uint64_t id;
085fd6e68367 Implemented parsing of remaining frame types.
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diff changeset
230 uint64_t limit;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
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diff changeset
231 } ngx_quic_stream_data_blocked_frame_t;
085fd6e68367 Implemented parsing of remaining frame types.
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diff changeset
232
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
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diff changeset
233
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
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diff changeset
234 typedef struct {
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
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diff changeset
235 uint64_t sequence_number;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
236 } ngx_quic_retire_cid_frame_t;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
237
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
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diff changeset
238
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
239 typedef struct {
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
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diff changeset
240 u_char data[8];
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
241 } ngx_quic_path_challenge_frame_t;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
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diff changeset
242
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
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diff changeset
243
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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diff changeset
244 typedef struct ngx_quic_frame_s ngx_quic_frame_t;
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
245
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
246 struct ngx_quic_frame_s {
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
247 ngx_uint_t type;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
248 enum ssl_encryption_level_t level;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
249 ngx_queue_t queue;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
250 uint64_t pnum;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
251 ngx_msec_t first;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
252 ngx_msec_t last;
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
253 ssize_t len;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
254 ngx_uint_t need_ack;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
255 /* unsigned need_ack:1; */
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
256
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
257 u_char *data;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
258 union {
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
259 ngx_quic_ack_frame_t ack;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
260 ngx_quic_crypto_frame_t crypto;
8333
167d32476737 Crypto buffer frames reordering.
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parents: 8326
diff changeset
261 ngx_quic_ordered_frame_t ord;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
262 ngx_quic_new_conn_id_frame_t ncid;
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
263 ngx_quic_new_token_frame_t token;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
264 ngx_quic_stream_frame_t stream;
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
265 ngx_quic_max_data_frame_t max_data;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
266 ngx_quic_close_frame_t close;
8231
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
267 ngx_quic_reset_stream_frame_t reset_stream;
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
268 ngx_quic_stop_sending_frame_t stop_sending;
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8231
diff changeset
269 ngx_quic_streams_blocked_frame_t streams_blocked;
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
270 ngx_quic_max_streams_frame_t max_streams;
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
271 ngx_quic_max_stream_data_frame_t max_stream_data;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
272 ngx_quic_data_blocked_frame_t data_blocked;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
273 ngx_quic_stream_data_blocked_frame_t stream_data_blocked;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
274 ngx_quic_retire_cid_frame_t retire_cid;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
275 ngx_quic_path_challenge_frame_t path_challenge;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
276 ngx_quic_path_challenge_frame_t path_response;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
277 } u;
8371
9d9531431c8c Removed outdated/incorrect comments and fixed style.
Vladimir Homutov <vl@nginx.com>
parents: 8370
diff changeset
278 u_char info[128]; /* for debug */
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
279 };
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parents:
diff changeset
280
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parents:
diff changeset
281
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Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
282 typedef struct {
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Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
283 ngx_log_t *log;
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Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
284
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parents:
diff changeset
285 struct ngx_quic_secret_s *secret;
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8315
diff changeset
286 struct ngx_quic_secret_s *next;
8470
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
287 struct timeval received;
8307
dc7ac778aafe Introduced packet namespace in QUIC connection.
Vladimir Homutov <vl@nginx.com>
parents: 8298
diff changeset
288 uint64_t number;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
289 uint8_t num_len;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
290 uint32_t trunc;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
291 uint8_t flags;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
292 uint32_t version;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
293 ngx_str_t token;
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Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
294 enum ssl_encryption_level_t level;
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
295 ngx_uint_t error;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
296
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
297 /* filled in by parser */
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parents:
diff changeset
298 ngx_buf_t *raw; /* udp datagram */
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Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
299
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
300 u_char *data; /* quic packet */
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Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
301 size_t len;
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Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
302
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Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
303 /* cleartext fields */
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8371
diff changeset
304 ngx_str_t odcid; /* retry packet tag */
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
305 ngx_str_t dcid;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
306 ngx_str_t scid;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
307 uint64_t pn;
8288
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 8286
diff changeset
308 u_char *plaintext;
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 8286
diff changeset
309 ngx_str_t payload; /* decrypted data */
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
310
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8315
diff changeset
311 unsigned need_ack:1;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8315
diff changeset
312 unsigned key_phase:1;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8315
diff changeset
313 unsigned key_update:1;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
314 } ngx_quic_header_t;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
315
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
316
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
317 u_char *ngx_quic_error_text(uint64_t error_code);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
318
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
319 ngx_int_t ngx_quic_parse_long_header(ngx_quic_header_t *pkt);
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
320 size_t ngx_quic_create_long_header(ngx_quic_header_t *pkt, u_char *out,
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
321 size_t pkt_len, u_char **pnp);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
322
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
323 ngx_int_t ngx_quic_parse_short_header(ngx_quic_header_t *pkt,
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
324 ngx_str_t *dcid);
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
325 size_t ngx_quic_create_short_header(ngx_quic_header_t *pkt, u_char *out,
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
326 size_t pkt_len, u_char **pnp);
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
327
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8371
diff changeset
328 size_t ngx_quic_create_retry_itag(ngx_quic_header_t *pkt, u_char *out,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8371
diff changeset
329 u_char **start);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8371
diff changeset
330
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
331 ngx_int_t ngx_quic_parse_initial_header(ngx_quic_header_t *pkt);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
332 ngx_int_t ngx_quic_parse_handshake_header(ngx_quic_header_t *pkt);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
333
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
334 ssize_t ngx_quic_parse_frame(ngx_quic_header_t *pkt, u_char *start, u_char *end,
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
335 ngx_quic_frame_t *frame);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
336 ssize_t ngx_quic_create_frame(u_char *p, ngx_quic_frame_t *f);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
337
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8319
diff changeset
338 ssize_t ngx_quic_parse_ack_range(ngx_quic_header_t *pkt, u_char *start,
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8319
diff changeset
339 u_char *end, uint64_t *gap, uint64_t *range);
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8319
diff changeset
340
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
341 ngx_int_t ngx_quic_parse_transport_params(u_char *p, u_char *end,
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
342 ngx_quic_tp_t *tp, ngx_log_t *log);
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
343 ssize_t ngx_quic_create_transport_params(u_char *p, u_char *end,
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
344 ngx_quic_tp_t *tp, size_t *clen);
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
345
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
346 #endif /* _NGX_EVENT_QUIC_WIRE_H_INCLUDED_ */