Mercurial > hg > nginx-quic
annotate src/event/quic/ngx_event_quic_output.c @ 8441:81d491f0dc8c quic
QUIC: unroll and inline ngx_quic_varint_len()/ngx_quic_build_int().
According to profiling, those two are among most frequently called,
so inlining is generally useful, and unrolling should help with it.
Further, this fixes undefined behaviour seen with invalid values.
Inspired by Yu Liu.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Sat, 22 May 2021 18:40:45 +0300 |
parents | 4117aa7fa38e |
children | 4715f3e669f1 |
rev | line source |
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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 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_event_quic_connection.h> |
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11 |
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12 |
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13 #define NGX_QUIC_MAX_SHORT_HEADER 25 /* 1 flags + 20 dcid + 4 pn */ |
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14 #define NGX_QUIC_MAX_LONG_HEADER 56 |
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15 /* 1 flags + 4 version + 2 x (1 + 20) s/dcid + 4 pn + 4 len + token len */ |
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16 |
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17 #define NGX_QUIC_MAX_UDP_PAYLOAD_OUT 1252 |
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18 #define NGX_QUIC_MAX_UDP_PAYLOAD_OUT6 1232 |
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19 |
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20 #define NGX_QUIC_RETRY_TOKEN_LIFETIME 3 /* seconds */ |
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21 #define NGX_QUIC_NEW_TOKEN_LIFETIME 600 /* seconds */ |
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22 #define NGX_QUIC_RETRY_BUFFER_SIZE 256 |
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23 /* 1 flags + 4 version + 3 x (1 + 20) s/o/dcid + itag + token(64) */ |
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24 |
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25 /* |
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26 * Endpoints MUST discard packets that are too small to be valid QUIC |
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27 * packets. With the set of AEAD functions defined in [QUIC-TLS], |
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28 * packets that are smaller than 21 bytes are never valid. |
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29 */ |
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30 #define NGX_QUIC_MIN_PKT_LEN 21 |
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31 |
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32 #define NGX_QUIC_MIN_SR_PACKET 43 /* 5 rand + 16 srt + 22 padding */ |
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33 #define NGX_QUIC_MAX_SR_PACKET 1200 |
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34 |
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35 #define NGX_QUIC_CC_MIN_INTERVAL 1000 /* 1s */ |
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36 |
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37 |
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38 static ngx_int_t ngx_quic_socket_output(ngx_connection_t *c, |
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39 ngx_quic_socket_t *qsock); |
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40 static ssize_t ngx_quic_output_packet(ngx_connection_t *c, |
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41 ngx_quic_send_ctx_t *ctx, u_char *data, size_t max, size_t min, |
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42 ngx_quic_socket_t *qsock); |
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43 static ngx_uint_t ngx_quic_get_padding_level(ngx_connection_t *c); |
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44 static ssize_t ngx_quic_send(ngx_connection_t *c, u_char *buf, size_t len, |
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45 struct sockaddr *sockaddr, socklen_t socklen); |
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46 static void ngx_quic_set_packet_number(ngx_quic_header_t *pkt, |
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47 ngx_quic_send_ctx_t *ctx); |
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48 |
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49 |
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50 size_t |
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51 ngx_quic_max_udp_payload(ngx_connection_t *c) |
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52 { |
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53 /* TODO: path MTU discovery */ |
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54 |
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55 #if (NGX_HAVE_INET6) |
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56 if (c->sockaddr->sa_family == AF_INET6) { |
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57 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT6; |
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58 } |
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59 #endif |
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60 |
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61 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT; |
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62 } |
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63 |
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64 |
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65 ngx_int_t |
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66 ngx_quic_output(ngx_connection_t *c) |
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67 { |
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68 ngx_quic_connection_t *qc; |
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69 |
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70 qc = ngx_quic_get_connection(c); |
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71 |
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72 if (ngx_quic_socket_output(c, qc->socket) != NGX_OK) { |
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73 return NGX_ERROR; |
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74 } |
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75 |
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76 ngx_quic_set_lost_timer(c); |
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77 |
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78 return NGX_OK; |
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79 } |
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80 |
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81 |
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82 static ngx_int_t |
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83 ngx_quic_socket_output(ngx_connection_t *c, ngx_quic_socket_t *qsock) |
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84 { |
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85 off_t max; |
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86 size_t len, min, in_flight; |
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87 ssize_t n; |
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88 u_char *p; |
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89 ngx_uint_t i, pad; |
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90 ngx_quic_path_t *path; |
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91 ngx_quic_send_ctx_t *ctx; |
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92 ngx_quic_congestion_t *cg; |
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93 ngx_quic_connection_t *qc; |
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94 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE]; |
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95 |
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96 c->log->action = "sending frames"; |
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97 |
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98 qc = ngx_quic_get_connection(c); |
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99 cg = &qc->congestion; |
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100 |
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101 in_flight = cg->in_flight; |
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102 |
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103 path = qsock->path; |
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104 |
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105 for ( ;; ) { |
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106 p = dst; |
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107 |
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108 len = ngx_min(qc->ctp.max_udp_payload_size, |
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109 NGX_QUIC_MAX_UDP_PAYLOAD_SIZE); |
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110 |
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111 if (path->state != NGX_QUIC_PATH_VALIDATED) { |
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112 max = path->received * 3; |
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113 max = (path->sent >= max) ? 0 : max - path->sent; |
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114 |
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115 len = ngx_min(len, (size_t) max); |
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116 } |
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117 |
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118 pad = ngx_quic_get_padding_level(c); |
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119 |
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120 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) { |
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121 |
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122 ctx = &qc->send_ctx[i]; |
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123 |
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124 if (ngx_quic_generate_ack(c, ctx) != NGX_OK) { |
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125 return NGX_ERROR; |
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126 } |
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127 |
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128 min = (i == pad && p - dst < NGX_QUIC_MIN_INITIAL_SIZE) |
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129 ? NGX_QUIC_MIN_INITIAL_SIZE - (p - dst) : 0; |
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130 |
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131 n = ngx_quic_output_packet(c, ctx, p, len, min, qsock); |
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132 if (n == NGX_ERROR) { |
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133 return NGX_ERROR; |
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134 } |
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135 |
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136 p += n; |
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137 len -= n; |
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138 } |
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139 |
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140 len = p - dst; |
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141 if (len == 0) { |
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142 break; |
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143 } |
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144 |
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145 n = ngx_quic_send(c, dst, len, path->sockaddr, path->socklen); |
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146 |
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147 if (n == NGX_ERROR) { |
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148 return NGX_ERROR; |
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149 } |
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150 |
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151 path->sent += len; |
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152 } |
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153 |
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154 if (in_flight != cg->in_flight && !qc->send_timer_set && !qc->closing) { |
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155 qc->send_timer_set = 1; |
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156 ngx_add_timer(c->read, qc->tp.max_idle_timeout); |
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157 } |
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158 |
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159 |
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160 return NGX_OK; |
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161 } |
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162 |
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163 |
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164 static ngx_uint_t |
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165 ngx_quic_get_padding_level(ngx_connection_t *c) |
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166 { |
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167 ngx_queue_t *q; |
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168 ngx_quic_frame_t *f; |
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169 ngx_quic_send_ctx_t *ctx; |
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170 ngx_quic_connection_t *qc; |
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171 |
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172 /* |
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173 * 14.1. Initial Datagram Size |
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174 * |
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175 * Similarly, a server MUST expand the payload of all UDP datagrams |
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176 * carrying ack-eliciting Initial packets to at least the smallest |
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177 * allowed maximum datagram size of 1200 bytes |
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178 */ |
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179 |
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180 qc = ngx_quic_get_connection(c); |
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181 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_initial); |
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182 |
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183 for (q = ngx_queue_head(&ctx->frames); |
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184 q != ngx_queue_sentinel(&ctx->frames); |
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185 q = ngx_queue_next(q)) |
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186 { |
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187 f = ngx_queue_data(q, ngx_quic_frame_t, queue); |
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188 |
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189 if (f->need_ack) { |
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190 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_handshake); |
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191 |
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192 if (ngx_queue_empty(&ctx->frames)) { |
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193 return 0; |
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|
194 } |
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195 |
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196 return 1; |
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197 } |
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198 } |
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199 |
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200 return NGX_QUIC_SEND_CTX_LAST; |
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201 } |
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202 |
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203 |
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204 static ssize_t |
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205 ngx_quic_output_packet(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx, |
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206 u_char *data, size_t max, size_t min, ngx_quic_socket_t *qsock) |
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207 { |
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208 size_t len, hlen, pad_len; |
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209 u_char *p; |
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210 ssize_t flen; |
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211 ngx_str_t out, res; |
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212 ngx_int_t rc; |
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213 ngx_uint_t nframes, has_pr; |
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214 ngx_msec_t now; |
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215 ngx_queue_t *q; |
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216 ngx_quic_frame_t *f; |
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217 ngx_quic_header_t pkt; |
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218 ngx_quic_congestion_t *cg; |
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219 ngx_quic_connection_t *qc; |
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220 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE]; |
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221 |
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222 if (ngx_queue_empty(&ctx->frames)) { |
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223 return 0; |
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|
224 } |
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225 |
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226 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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227 "quic output sock #%uL %s packet max:%uz min:%uz", |
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228 qsock->sid.seqnum, ngx_quic_level_name(ctx->level), |
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229 max, min); |
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230 |
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231 qc = ngx_quic_get_connection(c); |
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232 cg = &qc->congestion; |
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233 |
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234 hlen = (ctx->level == ssl_encryption_application) |
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235 ? NGX_QUIC_MAX_SHORT_HEADER |
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|
236 : NGX_QUIC_MAX_LONG_HEADER; |
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237 |
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|
238 hlen += EVP_GCM_TLS_TAG_LEN; |
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239 hlen -= NGX_QUIC_MAX_CID_LEN - qsock->cid->len; |
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240 |
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241 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); |
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242 |
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|
243 now = ngx_current_msec; |
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244 nframes = 0; |
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245 p = src; |
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246 len = 0; |
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247 has_pr = 0; |
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248 |
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249 for (q = ngx_queue_head(&ctx->frames); |
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250 q != ngx_queue_sentinel(&ctx->frames); |
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251 q = ngx_queue_next(q)) |
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252 { |
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253 f = ngx_queue_data(q, ngx_quic_frame_t, queue); |
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254 |
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255 if (!pkt.need_ack && f->need_ack && max > cg->window) { |
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|
256 max = cg->window; |
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|
257 } |
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258 |
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259 if (f->type == NGX_QUIC_FT_PATH_RESPONSE |
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260 || f->type == NGX_QUIC_FT_PATH_CHALLENGE) |
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261 { |
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262 has_pr = 1; |
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263 } |
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264 |
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265 if (hlen + len >= max) { |
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266 break; |
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|
267 } |
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268 |
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269 if (hlen + len + f->len > max) { |
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270 rc = ngx_quic_split_frame(c, f, max - hlen - len); |
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271 |
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272 if (rc == NGX_ERROR) { |
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273 return NGX_ERROR; |
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|
274 } |
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275 |
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276 if (rc == NGX_DECLINED) { |
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|
277 break; |
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|
278 } |
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|
279 } |
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280 |
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|
281 if (f->need_ack) { |
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282 pkt.need_ack = 1; |
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|
283 } |
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|
284 |
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|
285 ngx_quic_log_frame(c->log, f, 1); |
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|
286 |
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|
287 flen = ngx_quic_create_frame(p, f); |
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288 if (flen == -1) { |
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|
289 return NGX_ERROR; |
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parents:
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|
290 } |
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|
291 |
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|
292 len += flen; |
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|
293 p += flen; |
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|
294 |
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|
295 f->pnum = ctx->pnum; |
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|
296 f->first = now; |
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|
297 f->last = now; |
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|
298 f->plen = 0; |
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|
299 |
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|
300 nframes++; |
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|
301 |
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|
302 if (f->flush) { |
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parents:
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|
303 break; |
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parents:
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|
304 } |
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parents:
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|
305 } |
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|
306 |
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|
307 if (nframes == 0) { |
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|
308 return 0; |
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parents:
diff
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|
309 } |
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parents:
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|
310 |
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parents:
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|
311 out.data = src; |
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parents:
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|
312 out.len = len; |
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|
313 |
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|
314 pkt.keys = qc->keys; |
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|
315 pkt.flags = NGX_QUIC_PKT_FIXED_BIT; |
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|
316 |
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|
317 if (ctx->level == ssl_encryption_initial) { |
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diff
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|
318 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_INITIAL; |
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|
319 |
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parents:
diff
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|
320 } else if (ctx->level == ssl_encryption_handshake) { |
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parents:
diff
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|
321 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_HANDSHAKE; |
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|
322 |
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parents:
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|
323 } else { |
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parents:
diff
changeset
|
324 if (qc->key_phase) { |
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diff
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|
325 pkt.flags |= NGX_QUIC_PKT_KPHASE; |
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parents:
diff
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|
326 } |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
327 } |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
328 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
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|
329 ngx_quic_set_packet_number(&pkt, ctx); |
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parents:
diff
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|
330 |
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parents:
diff
changeset
|
331 pkt.version = qc->version; |
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diff
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|
332 pkt.log = c->log; |
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parents:
diff
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|
333 pkt.level = ctx->level; |
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|
334 |
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|
335 pkt.dcid.data = qsock->cid->id; |
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|
336 pkt.dcid.len = qsock->cid->len; |
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|
337 |
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|
338 pkt.scid.data = qsock->sid.id; |
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|
339 pkt.scid.len = qsock->sid.len; |
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|
340 |
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parents:
diff
changeset
|
341 pad_len = 4; |
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parents:
diff
changeset
|
342 |
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|
343 if (min || has_pr) { |
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|
344 hlen = EVP_GCM_TLS_TAG_LEN |
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parents:
diff
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|
345 + ngx_quic_create_header(&pkt, NULL, out.len, NULL); |
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parents:
diff
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|
346 |
8423
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|
347 /* |
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|
348 * An endpoint MUST expand datagrams that contain a |
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|
349 * PATH_CHALLENGE frame to at least the smallest allowed |
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|
350 * maximum datagram size of 1200 bytes, unless the |
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|
351 * anti-amplification limit for the path does not permit |
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|
352 * sending a datagram of this size. |
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parents:
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|
353 * |
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|
354 * (same applies to PATH_RESPONSE frames) |
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|
355 */ |
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parents:
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changeset
|
356 |
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parents:
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changeset
|
357 if (has_pr) { |
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parents:
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|
358 min = ngx_max(1200, min); |
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parents:
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|
359 } |
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parents:
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|
360 |
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parents:
diff
changeset
|
361 if (min > hlen + pad_len) { |
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parents:
diff
changeset
|
362 pad_len = min - hlen; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
363 } |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
364 } |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
365 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
366 if (out.len < pad_len) { |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
367 ngx_memset(p, NGX_QUIC_FT_PADDING, pad_len - out.len); |
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parents:
diff
changeset
|
368 out.len = pad_len; |
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parents:
diff
changeset
|
369 } |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
370 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
371 pkt.payload = out; |
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QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
372 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
373 res.data = data; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
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|
374 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
375 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
376 "quic packet tx %s bytes:%ui" |
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parents:
diff
changeset
|
377 " need_ack:%d number:%L encoded nl:%d trunc:0x%xD", |
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QUIC: separate files for output and ack related processing.
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parents:
diff
changeset
|
378 ngx_quic_level_name(ctx->level), out.len, pkt.need_ack, |
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parents:
diff
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|
379 pkt.number, pkt.num_len, pkt.trunc); |
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parents:
diff
changeset
|
380 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
381 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) { |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
382 return NGX_ERROR; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
383 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
384 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
385 ctx->pnum++; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
386 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
387 if (pkt.need_ack) { |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
388 /* move frames into the sent queue to wait for ack */ |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
389 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
390 if (!qc->closing) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
391 q = ngx_queue_head(&ctx->frames); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
392 f = ngx_queue_data(q, ngx_quic_frame_t, queue); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
393 f->plen = res.len; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
394 |
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QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
395 do { |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
396 q = ngx_queue_head(&ctx->frames); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
397 ngx_queue_remove(q); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
398 ngx_queue_insert_tail(&ctx->sent, q); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
399 } while (--nframes); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
400 } |
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QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
401 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
402 cg->in_flight += res.len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
403 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
404 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
405 "quic congestion send if:%uz", cg->in_flight); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
406 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
407 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
408 while (nframes--) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
409 q = ngx_queue_head(&ctx->frames); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
410 f = ngx_queue_data(q, ngx_quic_frame_t, queue); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
411 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
412 ngx_queue_remove(q); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
413 ngx_quic_free_frame(c, f); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
414 } |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
415 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
416 return res.len; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
417 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
418 |
bc910a5ec737
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
419 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
420 static ssize_t |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
421 ngx_quic_send(ngx_connection_t *c, u_char *buf, size_t len, |
4117aa7fa38e
QUIC: connection migration.
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parents:
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diff
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|
422 struct sockaddr *sockaddr, socklen_t socklen) |
8411
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
423 { |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
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|
424 ngx_buf_t b; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
425 socklen_t orig_socklen; |
4117aa7fa38e
QUIC: connection migration.
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parents:
8411
diff
changeset
|
426 ngx_chain_t cl, *res; |
4117aa7fa38e
QUIC: connection migration.
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parents:
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diff
changeset
|
427 struct sockaddr *orig_sockaddr; |
8411
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
428 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
429 ngx_memzero(&b, sizeof(ngx_buf_t)); |
bc910a5ec737
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
430 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
431 b.pos = b.start = buf; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
432 b.last = b.end = buf + len; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
433 b.last_buf = 1; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
434 b.temporary = 1; |
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QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
435 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
436 cl.buf = &b; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
437 cl.next= NULL; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
438 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
439 orig_socklen = c->socklen; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
440 orig_sockaddr = c->sockaddr; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
441 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
442 c->sockaddr = sockaddr; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
443 c->socklen = socklen; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
444 |
8411
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
445 res = c->send_chain(c, &cl, 0); |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
446 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
447 c->sockaddr = orig_sockaddr; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
448 c->socklen = orig_socklen; |
4117aa7fa38e
QUIC: connection migration.
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parents:
8411
diff
changeset
|
449 |
8411
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
450 if (res == NGX_CHAIN_ERROR) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
451 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
452 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
453 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
454 return len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
455 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
456 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
457 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
458 static void |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
459 ngx_quic_set_packet_number(ngx_quic_header_t *pkt, ngx_quic_send_ctx_t *ctx) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
460 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
461 uint64_t delta; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
462 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
463 delta = ctx->pnum - ctx->largest_ack; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
464 pkt->number = ctx->pnum; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
465 |
bc910a5ec737
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
466 if (delta <= 0x7F) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
467 pkt->num_len = 1; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
468 pkt->trunc = ctx->pnum & 0xff; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
469 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
470 } else if (delta <= 0x7FFF) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
471 pkt->num_len = 2; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
472 pkt->flags |= 0x1; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
473 pkt->trunc = ctx->pnum & 0xffff; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
474 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
475 } else if (delta <= 0x7FFFFF) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
476 pkt->num_len = 3; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
477 pkt->flags |= 0x2; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
478 pkt->trunc = ctx->pnum & 0xffffff; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
479 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
480 } else { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
481 pkt->num_len = 4; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
482 pkt->flags |= 0x3; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
483 pkt->trunc = ctx->pnum & 0xffffffff; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
484 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
485 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
486 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
487 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
488 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
489 ngx_quic_negotiate_version(ngx_connection_t *c, ngx_quic_header_t *inpkt) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
490 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
491 size_t len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
492 ngx_quic_header_t pkt; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
493 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE]; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
494 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
495 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
496 "sending version negotiation packet"); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
497 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
498 pkt.log = c->log; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
499 pkt.flags = NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_FIXED_BIT; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
500 pkt.dcid = inpkt->scid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
501 pkt.scid = inpkt->dcid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
502 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
503 len = ngx_quic_create_version_negotiation(&pkt, buf); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
504 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
505 #ifdef NGX_QUIC_DEBUG_PACKETS |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
506 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
507 "quic vnego packet to send len:%uz %*xs", len, len, buf); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
508 #endif |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
509 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
510 (void) ngx_quic_send(c, buf, len, c->sockaddr, c->socklen); |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
511 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
512 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
513 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
514 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
515 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
516 int |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
517 ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, enum ssl_encryption_level_t level, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
518 uint8_t alert) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
519 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
520 ngx_connection_t *c; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
521 ngx_quic_connection_t *qc; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
522 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
523 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
524 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
525 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
526 "quic ngx_quic_send_alert() lvl:%d alert:%d", |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
527 (int) level, (int) alert); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
528 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
529 qc = ngx_quic_get_connection(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
530 if (qc == NULL) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
531 return 1; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
532 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
533 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
534 qc->error_level = level; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
535 qc->error = NGX_QUIC_ERR_CRYPTO(alert); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
536 qc->error_reason = "TLS alert"; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
537 qc->error_app = 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
538 qc->error_ftype = 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
539 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
540 if (ngx_quic_send_cc(c) != NGX_OK) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
541 return 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
542 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
543 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
544 return 1; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
545 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
546 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
547 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
548 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
549 ngx_quic_send_stateless_reset(ngx_connection_t *c, ngx_quic_conf_t *conf, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
550 ngx_quic_header_t *pkt) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
551 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
552 u_char *token; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
553 size_t len, max; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
554 uint16_t rndbytes; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
555 u_char buf[NGX_QUIC_MAX_SR_PACKET]; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
556 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
557 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
558 "quic handle stateless reset output"); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
559 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
560 if (pkt->len <= NGX_QUIC_MIN_PKT_LEN) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
561 return NGX_DECLINED; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
562 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
563 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
564 if (pkt->len <= NGX_QUIC_MIN_SR_PACKET) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
565 len = pkt->len - 1; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
566 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
567 } else { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
568 max = ngx_min(NGX_QUIC_MAX_SR_PACKET, pkt->len * 3); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
569 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
570 if (RAND_bytes((u_char *) &rndbytes, sizeof(rndbytes)) != 1) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
571 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
572 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
573 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
574 len = (rndbytes % (max - NGX_QUIC_MIN_SR_PACKET + 1)) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
575 + NGX_QUIC_MIN_SR_PACKET; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
576 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
577 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
578 if (RAND_bytes(buf, len - NGX_QUIC_SR_TOKEN_LEN) != 1) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
579 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
580 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
581 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
582 buf[0] &= ~NGX_QUIC_PKT_LONG; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
583 buf[0] |= NGX_QUIC_PKT_FIXED_BIT; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
584 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
585 token = &buf[len - NGX_QUIC_SR_TOKEN_LEN]; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
586 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
587 if (ngx_quic_new_sr_token(c, &pkt->dcid, conf->sr_token_key, token) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
588 != NGX_OK) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
589 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
590 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
591 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
592 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
593 (void) ngx_quic_send(c, buf, len, c->sockaddr, c->socklen); |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
594 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
595 return NGX_DECLINED; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
596 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
597 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
598 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
599 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
600 ngx_quic_send_cc(ngx_connection_t *c) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
601 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
602 ngx_quic_frame_t *frame; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
603 ngx_quic_connection_t *qc; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
604 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
605 qc = ngx_quic_get_connection(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
606 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
607 if (qc->draining) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
608 return NGX_OK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
609 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
610 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
611 if (qc->closing |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
612 && ngx_current_msec - qc->last_cc < NGX_QUIC_CC_MIN_INTERVAL) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
613 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
614 /* dot not send CC too often */ |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
615 return NGX_OK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
616 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
617 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
618 frame = ngx_quic_alloc_frame(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
619 if (frame == NULL) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
620 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
621 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
622 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
623 frame->level = qc->error_level; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
624 frame->type = qc->error_app ? NGX_QUIC_FT_CONNECTION_CLOSE_APP |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
625 : NGX_QUIC_FT_CONNECTION_CLOSE; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
626 frame->u.close.error_code = qc->error; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
627 frame->u.close.frame_type = qc->error_ftype; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
628 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
629 if (qc->error_reason) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
630 frame->u.close.reason.len = ngx_strlen(qc->error_reason); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
631 frame->u.close.reason.data = (u_char *) qc->error_reason; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
632 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
633 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
634 ngx_quic_queue_frame(qc, frame); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
635 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
636 qc->last_cc = ngx_current_msec; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
637 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
638 return ngx_quic_output(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
639 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
640 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
641 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
642 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
643 ngx_quic_send_early_cc(ngx_connection_t *c, ngx_quic_header_t *inpkt, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
644 ngx_uint_t err, const char *reason) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
645 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
646 ssize_t len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
647 ngx_str_t res; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
648 ngx_quic_frame_t frame; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
649 ngx_quic_header_t pkt; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
650 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
651 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE]; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
652 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE]; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
653 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
654 ngx_memzero(&frame, sizeof(ngx_quic_frame_t)); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
655 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
656 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
657 frame.level = inpkt->level; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
658 frame.type = NGX_QUIC_FT_CONNECTION_CLOSE; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
659 frame.u.close.error_code = err; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
660 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
661 frame.u.close.reason.data = (u_char *) reason; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
662 frame.u.close.reason.len = ngx_strlen(reason); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
663 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
664 len = ngx_quic_create_frame(NULL, &frame); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
665 if (len > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
666 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
667 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
668 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
669 ngx_quic_log_frame(c->log, &frame, 1); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
670 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
671 len = ngx_quic_create_frame(src, &frame); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
672 if (len == -1) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
673 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
674 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
675 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
676 pkt.keys = ngx_quic_keys_new(c->pool); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
677 if (pkt.keys == NULL) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
678 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
679 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
680 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
681 if (ngx_quic_keys_set_initial_secret(c->pool, pkt.keys, &inpkt->dcid, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
682 inpkt->version) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
683 != NGX_OK) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
684 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
685 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
686 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
687 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
688 pkt.flags = NGX_QUIC_PKT_FIXED_BIT | NGX_QUIC_PKT_LONG |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
689 | NGX_QUIC_PKT_INITIAL; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
690 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
691 pkt.num_len = 1; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
692 /* |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
693 * pkt.num = 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
694 * pkt.trunc = 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
695 */ |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
696 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
697 pkt.version = inpkt->version; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
698 pkt.log = c->log; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
699 pkt.level = inpkt->level; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
700 pkt.dcid = inpkt->scid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
701 pkt.scid = inpkt->dcid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
702 pkt.payload.data = src; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
703 pkt.payload.len = len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
704 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
705 res.data = dst; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
706 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
707 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
708 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
709 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
710 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
711 if (ngx_quic_send(c, res.data, res.len, c->sockaddr, c->socklen) |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
712 == NGX_ERROR) |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
713 { |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
714 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
715 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
716 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
717 return NGX_OK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
718 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
719 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
720 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
721 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
722 ngx_quic_send_retry(ngx_connection_t *c, ngx_quic_conf_t *conf, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
723 ngx_quic_header_t *inpkt) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
724 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
725 time_t expires; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
726 ssize_t len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
727 ngx_str_t res, token; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
728 ngx_quic_header_t pkt; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
729 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
730 u_char buf[NGX_QUIC_RETRY_BUFFER_SIZE]; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
731 u_char dcid[NGX_QUIC_SERVER_CID_LEN]; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
732 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
733 expires = ngx_time() + NGX_QUIC_RETRY_TOKEN_LIFETIME; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
734 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
735 if (ngx_quic_new_token(c, c->sockaddr, c->socklen, conf->av_token_key, |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
736 &token, &inpkt->dcid, expires, 1) |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
737 != NGX_OK) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
738 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
739 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
740 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
741 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
742 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
743 pkt.flags = NGX_QUIC_PKT_FIXED_BIT | NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_RETRY; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
744 pkt.version = inpkt->version; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
745 pkt.log = c->log; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
746 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
747 pkt.odcid = inpkt->dcid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
748 pkt.dcid = inpkt->scid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
749 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
750 /* TODO: generate routable dcid */ |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
751 if (RAND_bytes(dcid, NGX_QUIC_SERVER_CID_LEN) != 1) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
752 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
753 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
754 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
755 pkt.scid.len = NGX_QUIC_SERVER_CID_LEN; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
756 pkt.scid.data = dcid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
757 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
758 pkt.token = token; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
759 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
760 res.data = buf; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
761 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
762 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
763 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
764 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
765 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
766 #ifdef NGX_QUIC_DEBUG_PACKETS |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
767 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
768 "quic packet to send len:%uz %xV", res.len, &res); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
769 #endif |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
770 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
771 len = ngx_quic_send(c, res.data, res.len, c->sockaddr, c->socklen); |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
772 if (len == NGX_ERROR) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
773 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
774 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
775 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
776 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
777 "quic retry packet sent to %xV", &pkt.dcid); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
778 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
779 /* |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
780 * quic-transport 17.2.5.1: A server MUST NOT send more than one Retry |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
781 * packet in response to a single UDP datagram. |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
782 * NGX_DONE will stop quic_input() from processing further |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
783 */ |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
784 return NGX_DONE; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
785 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
786 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
787 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
788 ngx_int_t |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
789 ngx_quic_send_new_token(ngx_connection_t *c, ngx_quic_path_t *path) |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
790 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
791 time_t expires; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
792 ngx_str_t token; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
793 ngx_quic_frame_t *frame; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
794 ngx_quic_connection_t *qc; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
795 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
796 qc = ngx_quic_get_connection(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
797 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
798 expires = ngx_time() + NGX_QUIC_NEW_TOKEN_LIFETIME; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
799 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
800 if (ngx_quic_new_token(c, path->sockaddr, path->socklen, |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
801 qc->conf->av_token_key, &token, NULL, expires, 0) |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
802 != NGX_OK) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
803 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
804 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
805 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
806 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
807 frame = ngx_quic_alloc_frame(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
808 if (frame == NULL) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
809 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
810 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
811 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
812 frame->level = ssl_encryption_application; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
813 frame->type = NGX_QUIC_FT_NEW_TOKEN; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
814 frame->u.token.length = token.len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
815 frame->u.token.data = token.data; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
816 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
817 ngx_quic_queue_frame(qc, frame); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
818 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
819 return NGX_OK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
820 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
821 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
822 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
823 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
824 ngx_quic_send_ack(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
825 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
826 size_t len, left; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
827 uint64_t ack_delay; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
828 ngx_buf_t *b; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
829 ngx_uint_t i; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
830 ngx_chain_t *cl, **ll; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
831 ngx_quic_frame_t *frame; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
832 ngx_quic_connection_t *qc; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
833 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
834 qc = ngx_quic_get_connection(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
835 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
836 ack_delay = ngx_current_msec - ctx->largest_received; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
837 ack_delay *= 1000; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
838 ack_delay >>= qc->tp.ack_delay_exponent; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
839 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
840 frame = ngx_quic_alloc_frame(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
841 if (frame == NULL) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
842 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
843 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
844 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
845 ll = &frame->data; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
846 b = NULL; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
847 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
848 for (i = 0; i < ctx->nranges; i++) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
849 len = ngx_quic_create_ack_range(NULL, ctx->ranges[i].gap, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
850 ctx->ranges[i].range); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
851 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
852 left = b ? b->end - b->last : 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
853 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
854 if (left < len) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
855 cl = ngx_quic_alloc_buf(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
856 if (cl == NULL) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
857 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
858 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
859 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
860 *ll = cl; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
861 ll = &cl->next; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
862 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
863 b = cl->buf; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
864 left = b->end - b->last; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
865 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
866 if (left < len) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
867 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
868 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
869 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
870 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
871 b->last += ngx_quic_create_ack_range(b->last, ctx->ranges[i].gap, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
872 ctx->ranges[i].range); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
873 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
874 frame->u.ack.ranges_length += len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
875 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
876 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
877 *ll = NULL; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
878 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
879 frame->level = ctx->level; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
880 frame->type = NGX_QUIC_FT_ACK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
881 frame->u.ack.largest = ctx->largest_range; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
882 frame->u.ack.delay = ack_delay; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
883 frame->u.ack.range_count = ctx->nranges; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
884 frame->u.ack.first_range = ctx->first_range; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
885 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
886 ngx_quic_queue_frame(qc, frame); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
887 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
888 return NGX_OK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
889 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
890 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
891 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
892 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
893 ngx_quic_send_ack_range(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
894 uint64_t smallest, uint64_t largest) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
895 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
896 ngx_quic_frame_t *frame; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
897 ngx_quic_connection_t *qc; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
898 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
899 qc = ngx_quic_get_connection(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
900 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
901 frame = ngx_quic_alloc_frame(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
902 if (frame == NULL) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
903 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
904 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
905 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
906 frame->level = ctx->level; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
907 frame->type = NGX_QUIC_FT_ACK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
908 frame->u.ack.largest = largest; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
909 frame->u.ack.delay = 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
910 frame->u.ack.range_count = 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
911 frame->u.ack.first_range = largest - smallest; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
912 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
913 ngx_quic_queue_frame(qc, frame); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
914 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
915 return NGX_OK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
916 } |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
917 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
918 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
919 ssize_t |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
920 ngx_quic_frame_sendto(ngx_connection_t *c, ngx_quic_frame_t *frame, |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
921 size_t min, struct sockaddr *sockaddr, socklen_t socklen) |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
922 { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
923 ssize_t len; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
924 ngx_str_t res; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
925 ngx_quic_header_t pkt; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
926 ngx_quic_send_ctx_t *ctx; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
927 ngx_quic_connection_t *qc; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
928 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
929 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE]; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
930 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE]; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
931 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
932 qc = ngx_quic_get_connection(c); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
933 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
934 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
935 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
936 len = ngx_quic_create_frame(NULL, frame); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
937 if (len > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE) { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
938 return -1; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
939 } |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
940 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
941 ngx_quic_log_frame(c->log, frame, 1); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
942 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
943 len = ngx_quic_create_frame(src, frame); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
944 if (len == -1) { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
945 return -1; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
946 } |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
947 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
948 if (len < (ssize_t) min) { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
949 ngx_memset(src + len, NGX_QUIC_FT_PADDING, min - len); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
950 len = min; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
951 } |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
952 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
953 pkt.keys = qc->keys; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
954 pkt.flags = NGX_QUIC_PKT_FIXED_BIT; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
955 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
956 if (qc->key_phase) { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
957 pkt.flags |= NGX_QUIC_PKT_KPHASE; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
958 } |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
959 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
960 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_application); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
961 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
962 ngx_quic_set_packet_number(&pkt, ctx); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
963 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
964 pkt.version = qc->version; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
965 pkt.log = c->log; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
966 pkt.level = ctx->level; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
967 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
968 pkt.dcid.data = qc->socket->cid->id; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
969 pkt.dcid.len = qc->socket->cid->len; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
970 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
971 pkt.scid.data = qc->socket->sid.id; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
972 pkt.scid.len = qc->socket->sid.len; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
973 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
974 pkt.payload.data = src; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
975 pkt.payload.len = len; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
976 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
977 res.data = dst; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
978 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
979 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
980 return -1; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
981 } |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
982 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
983 ctx->pnum++; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
984 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
985 len = ngx_quic_send(c, res.data, res.len, sockaddr, socklen); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
986 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
987 return len; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
988 } |