Mercurial > hg > nginx-quic
annotate src/event/ngx_event_quic_transport.h @ 7824:a5141e6b3214 quic
Fixed includes in quic headers.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Tue, 21 Apr 2020 12:06:24 +0300 |
parents | 76e8ec502c69 |
children | 262396242352 |
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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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5 |
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6 |
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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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9 |
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10 |
7824
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Fixed includes in quic headers.
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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13 |
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14 |
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15 #define ngx_quic_long_pkt(flags) ((flags) & 0x80) /* 17.2 */ |
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16 #define ngx_quic_short_pkt(flags) (((flags) & 0x80) == 0) /* 17.3 */ |
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17 |
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18 /* Long packet types */ |
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19 #define NGX_QUIC_PKT_INITIAL 0xC0 /* 17.2.2 */ |
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20 #define NGX_QUIC_PKT_ZRTT 0xD0 /* 17.2.3 */ |
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21 #define NGX_QUIC_PKT_HANDSHAKE 0xE0 /* 17.2.4 */ |
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22 #define NGX_QUIC_PKT_RETRY 0xF0 /* 17.2.5 */ |
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23 #define NGX_QUIC_PKT_KPHASE 0x04 /* 17.3 */ |
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24 |
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25 #define ngx_quic_pkt_in(flags) (((flags) & 0xF0) == NGX_QUIC_PKT_INITIAL) |
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26 #define ngx_quic_pkt_zrtt(flags) (((flags) & 0xF0) == NGX_QUIC_PKT_ZRTT) |
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27 #define ngx_quic_pkt_hs(flags) (((flags) & 0xF0) == NGX_QUIC_PKT_HANDSHAKE) |
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28 #define ngx_quic_pkt_retry(flags) (((flags) & 0xF0) == NGX_QUIC_PKT_RETRY) |
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29 |
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30 /* 12.4. Frames and Frame Types */ |
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31 #define NGX_QUIC_FT_PADDING 0x00 |
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32 #define NGX_QUIC_FT_PING 0x01 |
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33 #define NGX_QUIC_FT_ACK 0x02 |
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34 #define NGX_QUIC_FT_ACK_ECN 0x03 |
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35 #define NGX_QUIC_FT_RESET_STREAM 0x04 |
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36 #define NGX_QUIC_FT_STOP_SENDING 0x05 |
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37 #define NGX_QUIC_FT_CRYPTO 0x06 |
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38 #define NGX_QUIC_FT_NEW_TOKEN 0x07 |
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39 #define NGX_QUIC_FT_STREAM0 0x08 |
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40 #define NGX_QUIC_FT_STREAM1 0x09 |
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41 #define NGX_QUIC_FT_STREAM2 0x0A |
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42 #define NGX_QUIC_FT_STREAM3 0x0B |
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43 #define NGX_QUIC_FT_STREAM4 0x0C |
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44 #define NGX_QUIC_FT_STREAM5 0x0D |
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45 #define NGX_QUIC_FT_STREAM6 0x0E |
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46 #define NGX_QUIC_FT_STREAM7 0x0F |
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47 #define NGX_QUIC_FT_MAX_DATA 0x10 |
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48 #define NGX_QUIC_FT_MAX_STREAM_DATA 0x11 |
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49 #define NGX_QUIC_FT_MAX_STREAMS 0x12 |
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50 #define NGX_QUIC_FT_MAX_STREAMS2 0x13 |
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51 #define NGX_QUIC_FT_DATA_BLOCKED 0x14 |
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52 #define NGX_QUIC_FT_STREAM_DATA_BLOCKED 0x15 |
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53 #define NGX_QUIC_FT_STREAMS_BLOCKED 0x16 |
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54 #define NGX_QUIC_FT_STREAMS_BLOCKED2 0x17 |
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55 #define NGX_QUIC_FT_NEW_CONNECTION_ID 0x18 |
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56 #define NGX_QUIC_FT_RETIRE_CONNECTION_ID 0x19 |
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57 #define NGX_QUIC_FT_PATH_CHALLENGE 0x1A |
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58 #define NGX_QUIC_FT_PATH_RESPONSE 0x1B |
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59 #define NGX_QUIC_FT_CONNECTION_CLOSE 0x1C |
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60 #define NGX_QUIC_FT_CONNECTION_CLOSE2 0x1D |
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61 #define NGX_QUIC_FT_HANDSHAKE_DONE 0x1E |
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62 |
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63 /* 22.4. QUIC Transport Error Codes Registry */ |
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64 #define NGX_QUIC_ERR_NO_ERROR 0x00 |
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65 #define NGX_QUIC_ERR_INTERNAL_ERROR 0x01 |
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66 #define NGX_QUIC_ERR_SERVER_BUSY 0x02 |
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67 #define NGX_QUIC_ERR_FLOW_CONTROL_ERROR 0x03 |
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68 #define NGX_QUIC_ERR_STREAM_LIMIT_ERROR 0x04 |
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69 #define NGX_QUIC_ERR_STREAM_STATE_ERROR 0x05 |
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70 #define NGX_QUIC_ERR_FINAL_SIZE_ERROR 0x06 |
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71 #define NGX_QUIC_ERR_FRAME_ENCODING_ERROR 0x07 |
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72 #define NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR 0x08 |
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73 #define NGX_QUIC_ERR_CONNECTION_ID_LIMIT_ERROR 0x09 |
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74 #define NGX_QUIC_ERR_PROTOCOL_VIOLATION 0x0A |
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75 #define NGX_QUIC_ERR_INVALID_TOKEN 0x0B |
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76 /* 0xC is not defined */ |
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77 #define NGX_QUIC_ERR_CRYPTO_BUFFER_EXCEEDED 0x0D |
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78 /* 0xE is not defined */ |
7819 | 79 /* 0xF is not defined */ |
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80 #define NGX_QUIC_ERR_CRYPTO_ERROR 0x10 |
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81 |
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82 #define NGX_QUIC_ERR_LAST NGX_QUIC_ERR_CRYPTO_ERROR |
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83 |
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84 /* Transport parameters */ |
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85 #define NGX_QUIC_TP_ORIGINAL_CONNECTION_ID 0x00 |
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86 #define NGX_QUIC_TP_MAX_IDLE_TIMEOUT 0x01 |
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87 #define NGX_QUIC_TP_STATELESS_RESET_TOKEN 0x02 |
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88 #define NGX_QUIC_TP_MAX_PACKET_SIZE 0x03 |
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89 #define NGX_QUIC_TP_INITIAL_MAX_DATA 0x04 |
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90 #define NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_LOCAL 0x05 |
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91 #define NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_REMOTE 0x06 |
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92 #define NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_UNI 0x07 |
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93 #define NGX_QUIC_TP_INITIAL_MAX_STREAMS_BIDI 0x08 |
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94 #define NGX_QUIC_TP_INITIAL_MAX_STREAMS_UNI 0x09 |
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95 #define NGX_QUIC_TP_ACK_DELAY_EXPONENT 0x0A |
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96 #define NGX_QUIC_TP_MAX_ACK_DELAY 0x0B |
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97 #define NGX_QUIC_TP_DISABLE_ACTIVE_MIGRATION 0x0C |
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98 #define NGX_QUIC_TP_PREFERRED_ADDRESS 0x0D |
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99 #define NGX_QUIC_TP_ACTIVE_CONNECTION_ID_LIMIT 0x0E |
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100 |
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101 |
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102 typedef struct { |
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103 uint64_t largest; |
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104 uint64_t delay; |
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105 uint64_t range_count; |
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106 uint64_t first_range; |
7792 | 107 uint64_t ect0; |
108 uint64_t ect1; | |
109 uint64_t ce; | |
110 u_char *ranges_start; | |
111 u_char *ranges_end; | |
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112 } ngx_quic_ack_frame_t; |
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113 |
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114 |
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115 typedef struct { |
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116 uint64_t seqnum; |
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117 uint64_t retire; |
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118 uint8_t len; |
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119 u_char cid[20]; |
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120 u_char srt[16]; |
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121 } ngx_quic_new_conn_id_frame_t; |
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122 |
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123 |
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124 /* |
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125 * common layout for CRYPTO and STREAM frames; |
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126 * conceptually, CRYPTO frame is also a stream |
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127 * frame lacking some properties |
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128 */ |
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129 typedef struct { |
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130 uint64_t offset; |
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131 uint64_t length; |
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132 u_char *data; |
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133 } ngx_quic_ordered_frame_t; |
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134 |
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135 typedef ngx_quic_ordered_frame_t ngx_quic_crypto_frame_t; |
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136 |
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137 |
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138 typedef struct { |
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139 /* initial fields same as in ngx_quic_ordered_frame_t */ |
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Crypto buffer frames reordering.
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140 uint64_t offset; |
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141 uint64_t length; |
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|
142 u_char *data; |
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Crypto buffer frames reordering.
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143 |
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144 uint8_t type; |
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145 uint64_t stream_id; |
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diff
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|
146 unsigned off:1; |
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147 unsigned len:1; |
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148 unsigned fin:1; |
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|
149 } ngx_quic_stream_frame_t; |
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150 |
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151 |
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152 typedef struct { |
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MAX_DATA frame parser/handler.
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153 uint64_t max_data; |
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|
154 } ngx_quic_max_data_frame_t; |
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MAX_DATA frame parser/handler.
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155 |
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MAX_DATA frame parser/handler.
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|
156 |
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MAX_DATA frame parser/handler.
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157 typedef struct { |
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158 uint64_t error_code; |
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diff
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|
159 uint64_t frame_type; |
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Extracted transport part of the code into separate file.
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diff
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|
160 ngx_str_t reason; |
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diff
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|
161 } ngx_quic_close_frame_t; |
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162 |
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Extracted transport part of the code into separate file.
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|
163 |
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Added parsing of RESET_STREAM and STOP_SENDING frames
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164 typedef struct { |
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Added parsing of RESET_STREAM and STOP_SENDING frames
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|
165 uint64_t id; |
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Added parsing of RESET_STREAM and STOP_SENDING frames
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|
166 uint64_t error_code; |
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Added parsing of RESET_STREAM and STOP_SENDING frames
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|
167 uint64_t final_size; |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
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|
168 } ngx_quic_reset_stream_frame_t; |
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Added parsing of RESET_STREAM and STOP_SENDING frames
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169 |
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Added parsing of RESET_STREAM and STOP_SENDING frames
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170 |
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|
171 typedef struct { |
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Added parsing of RESET_STREAM and STOP_SENDING frames
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|
172 uint64_t id; |
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|
173 uint64_t error_code; |
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174 } ngx_quic_stop_sending_frame_t; |
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Added parsing of RESET_STREAM and STOP_SENDING frames
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175 |
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Added parsing of RESET_STREAM and STOP_SENDING frames
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|
176 |
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177 typedef struct { |
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178 uint64_t limit; |
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179 ngx_uint_t bidi; /* unsigned: bidi:1 */ |
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180 } ngx_quic_streams_blocked_frame_t; |
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181 |
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182 |
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|
183 typedef struct { |
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|
184 uint64_t limit; |
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|
185 ngx_uint_t bidi; /* unsigned: bidi:1 */ |
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|
186 } ngx_quic_max_streams_frame_t; |
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187 |
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188 |
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189 typedef struct { |
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190 uint64_t id; |
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|
191 uint64_t limit; |
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|
192 } ngx_quic_max_stream_data_frame_t; |
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193 |
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194 |
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195 typedef struct { |
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|
196 uint64_t limit; |
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|
197 } ngx_quic_data_blocked_frame_t; |
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198 |
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199 |
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200 typedef struct { |
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201 uint64_t id; |
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|
202 uint64_t limit; |
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Implemented parsing of remaining frame types.
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|
203 } ngx_quic_stream_data_blocked_frame_t; |
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204 |
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|
205 |
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|
206 typedef struct { |
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|
207 uint64_t sequence_number; |
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Implemented parsing of remaining frame types.
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diff
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|
208 } ngx_quic_retire_cid_frame_t; |
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Implemented parsing of remaining frame types.
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209 |
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|
210 |
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|
211 typedef struct { |
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|
212 u_char data[8]; |
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|
213 } ngx_quic_path_challenge_frame_t; |
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214 |
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Implemented parsing of remaining frame types.
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215 |
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216 typedef struct ngx_quic_frame_s ngx_quic_frame_t; |
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217 |
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Extracted transport part of the code into separate file.
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218 struct ngx_quic_frame_s { |
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diff
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|
219 ngx_uint_t type; |
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Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
220 enum ssl_encryption_level_t level; |
7774
e10b4c61420f
Implemented retransmission and retransmit queue.
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parents:
7773
diff
changeset
|
221 ngx_queue_t queue; |
e10b4c61420f
Implemented retransmission and retransmit queue.
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parents:
7773
diff
changeset
|
222 uint64_t pnum; |
e10b4c61420f
Implemented retransmission and retransmit queue.
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parents:
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diff
changeset
|
223 ngx_msec_t first; |
e10b4c61420f
Implemented retransmission and retransmit queue.
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parents:
7773
diff
changeset
|
224 ngx_msec_t last; |
e10b4c61420f
Implemented retransmission and retransmit queue.
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parents:
7773
diff
changeset
|
225 ngx_uint_t need_ack; |
e10b4c61420f
Implemented retransmission and retransmit queue.
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parents:
7773
diff
changeset
|
226 /* unsigned need_ack:1; */ |
e10b4c61420f
Implemented retransmission and retransmit queue.
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|
227 |
7752 | 228 u_char *data; |
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229 union { |
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diff
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|
230 ngx_quic_ack_frame_t ack; |
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diff
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231 ngx_quic_crypto_frame_t crypto; |
7810
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232 ngx_quic_ordered_frame_t ord; |
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diff
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233 ngx_quic_new_conn_id_frame_t ncid; |
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diff
changeset
|
234 ngx_quic_stream_frame_t stream; |
7703
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MAX_DATA frame parser/handler.
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parents:
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|
235 ngx_quic_max_data_frame_t max_data; |
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236 ngx_quic_close_frame_t close; |
7697
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Added parsing of RESET_STREAM and STOP_SENDING frames
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changeset
|
237 ngx_quic_reset_stream_frame_t reset_stream; |
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Added parsing of RESET_STREAM and STOP_SENDING frames
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|
238 ngx_quic_stop_sending_frame_t stop_sending; |
7702
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
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|
239 ngx_quic_streams_blocked_frame_t streams_blocked; |
7711
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Double MAX_STREAMS on STREAMS_BLOCKED.
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parents:
7707
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|
240 ngx_quic_max_streams_frame_t max_streams; |
7723
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|
241 ngx_quic_max_stream_data_frame_t max_stream_data; |
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|
242 ngx_quic_data_blocked_frame_t data_blocked; |
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parents:
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diff
changeset
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243 ngx_quic_stream_data_blocked_frame_t stream_data_blocked; |
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244 ngx_quic_retire_cid_frame_t retire_cid; |
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245 ngx_quic_path_challenge_frame_t path_challenge; |
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246 ngx_quic_path_challenge_frame_t path_response; |
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247 } u; |
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248 u_char info[128]; // for debug |
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249 }; |
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250 |
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251 |
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252 typedef struct { |
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253 ngx_log_t *log; |
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254 |
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255 struct ngx_quic_secret_s *secret; |
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TLS Key Update in QUIC.
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256 struct ngx_quic_secret_s *next; |
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Introduced packet namespace in QUIC connection.
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257 uint64_t number; |
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Proper handling of packet number in header.
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258 uint8_t num_len; |
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259 uint32_t trunc; |
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260 uint8_t flags; |
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261 uint32_t version; |
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262 ngx_str_t token; |
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263 enum ssl_encryption_level_t level; |
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264 |
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265 /* filled in by parser */ |
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266 ngx_buf_t *raw; /* udp datagram */ |
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267 |
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268 u_char *data; /* quic packet */ |
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269 size_t len; |
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270 |
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271 /* cleartext fields */ |
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272 ngx_str_t dcid; |
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273 ngx_str_t scid; |
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274 uint64_t pn; |
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Got rid of memory allocation in decryption.
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275 u_char *plaintext; |
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Got rid of memory allocation in decryption.
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276 ngx_str_t payload; /* decrypted data */ |
7774
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Implemented retransmission and retransmit queue.
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277 |
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278 unsigned need_ack:1; |
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279 unsigned key_phase:1; |
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280 unsigned key_update:1; |
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281 } ngx_quic_header_t; |
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282 |
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283 |
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284 u_char *ngx_quic_error_text(uint64_t error_code); |
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285 |
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286 ngx_int_t ngx_quic_parse_long_header(ngx_quic_header_t *pkt); |
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Removed memory allocations from encryption code.
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287 size_t ngx_quic_create_long_header(ngx_quic_header_t *pkt, u_char *out, |
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288 size_t pkt_len, u_char **pnp); |
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289 |
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290 ngx_int_t ngx_quic_parse_short_header(ngx_quic_header_t *pkt, |
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291 ngx_str_t *dcid); |
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292 size_t ngx_quic_create_short_header(ngx_quic_header_t *pkt, u_char *out, |
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293 size_t pkt_len, u_char **pnp); |
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294 |
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295 ngx_int_t ngx_quic_parse_initial_header(ngx_quic_header_t *pkt); |
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296 ngx_int_t ngx_quic_parse_handshake_header(ngx_quic_header_t *pkt); |
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297 |
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298 ssize_t ngx_quic_parse_frame(ngx_quic_header_t *pkt, u_char *start, u_char *end, |
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299 ngx_quic_frame_t *frame); |
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300 ssize_t ngx_quic_create_frame(u_char *p, ngx_quic_frame_t *f); |
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301 |
7792 | 302 ssize_t ngx_quic_parse_ack_range(ngx_quic_header_t *pkt, u_char *start, |
303 u_char *end, uint64_t *gap, uint64_t *range); | |
304 | |
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Added processing of client transport parameters.
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305 ngx_int_t ngx_quic_parse_transport_params(u_char *p, u_char *end, |
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306 ngx_quic_tp_t *tp, ngx_log_t *log); |
7713
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Configurable transport parameters.
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307 ssize_t ngx_quic_create_transport_params(u_char *p, u_char *end, |
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308 ngx_quic_tp_t *tp); |
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309 |
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310 #endif /* _NGX_EVENT_QUIC_WIRE_H_INCLUDED_ */ |