Mercurial > hg > nginx-quic
annotate src/event/quic/ngx_event_quic_output.c @ 8540:8ab0d609af09 quic
QUIC: the "quic_gso" directive.
The directive enables usage of UDP segmentation offloading by quic.
By default, gso is disabled since it is not always operational when
detected (depends on interface configuration).
author | Vladimir Homutov <vl@nginx.com> |
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date | Tue, 20 Jul 2021 12:37:12 +0300 |
parents | bb5152ed045b |
children | ad046179eb91 |
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_MAX_UDP_SEGMENT_BUF 65487 /* 65K - IPv6 header */ |
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21 #define NGX_QUIC_MAX_SEGMENTS 64 /* UDP_MAX_SEGMENTS */ |
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22 |
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23 #define NGX_QUIC_RETRY_TOKEN_LIFETIME 3 /* seconds */ |
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24 #define NGX_QUIC_NEW_TOKEN_LIFETIME 600 /* seconds */ |
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25 #define NGX_QUIC_RETRY_BUFFER_SIZE 256 |
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26 /* 1 flags + 4 version + 3 x (1 + 20) s/o/dcid + itag + token(64) */ |
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27 |
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28 /* |
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29 * RFC 9000, 10.3. Stateless Reset |
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30 * |
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31 * Endpoints MUST discard packets that are too small to be valid QUIC |
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32 * packets. With the set of AEAD functions defined in [QUIC-TLS], |
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33 * short header packets that are smaller than 21 bytes are never valid. |
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34 */ |
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35 #define NGX_QUIC_MIN_PKT_LEN 21 |
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36 |
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37 #define NGX_QUIC_MIN_SR_PACKET 43 /* 5 rand + 16 srt + 22 padding */ |
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38 #define NGX_QUIC_MAX_SR_PACKET 1200 |
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39 |
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40 #define NGX_QUIC_CC_MIN_INTERVAL 1000 /* 1s */ |
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41 |
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42 |
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43 static ngx_int_t ngx_quic_socket_output(ngx_connection_t *c, |
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44 ngx_quic_socket_t *qsock); |
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45 static ngx_int_t ngx_quic_create_datagrams(ngx_connection_t *c, |
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46 ngx_quic_socket_t *qsock); |
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47 #if ((NGX_HAVE_UDP_SEGMENT) && (NGX_HAVE_MSGHDR_MSG_CONTROL)) |
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48 static ngx_uint_t ngx_quic_allow_segmentation(ngx_connection_t *c, |
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49 ngx_quic_socket_t *qsock); |
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50 static ngx_int_t ngx_quic_create_segments(ngx_connection_t *c, |
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51 ngx_quic_socket_t *qsock); |
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52 static ssize_t ngx_quic_send_segments(ngx_connection_t *c, u_char *buf, |
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53 size_t len, struct sockaddr *sockaddr, socklen_t socklen, size_t segment); |
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54 #endif |
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55 static ssize_t ngx_quic_output_packet(ngx_connection_t *c, |
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56 ngx_quic_send_ctx_t *ctx, u_char *data, size_t max, size_t min, |
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57 ngx_quic_socket_t *qsock); |
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58 static ngx_uint_t ngx_quic_get_padding_level(ngx_connection_t *c); |
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59 static ssize_t ngx_quic_send(ngx_connection_t *c, u_char *buf, size_t len, |
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60 struct sockaddr *sockaddr, socklen_t socklen); |
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61 static void ngx_quic_set_packet_number(ngx_quic_header_t *pkt, |
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62 ngx_quic_send_ctx_t *ctx); |
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63 |
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64 |
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65 size_t |
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66 ngx_quic_max_udp_payload(ngx_connection_t *c) |
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67 { |
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68 /* TODO: path MTU discovery */ |
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69 |
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70 #if (NGX_HAVE_INET6) |
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71 if (c->sockaddr->sa_family == AF_INET6) { |
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72 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT6; |
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73 } |
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74 #endif |
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75 |
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76 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT; |
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77 } |
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78 |
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79 |
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80 ngx_int_t |
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81 ngx_quic_output(ngx_connection_t *c) |
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82 { |
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83 ngx_quic_connection_t *qc; |
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84 |
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85 qc = ngx_quic_get_connection(c); |
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86 |
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87 if (ngx_quic_socket_output(c, qc->socket) != NGX_OK) { |
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88 return NGX_ERROR; |
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89 } |
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90 |
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91 ngx_quic_set_lost_timer(c); |
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92 |
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93 return NGX_OK; |
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94 } |
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95 |
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96 |
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97 static ngx_int_t |
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98 ngx_quic_socket_output(ngx_connection_t *c, ngx_quic_socket_t *qsock) |
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99 { |
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100 size_t in_flight; |
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101 ngx_int_t rc; |
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102 ngx_quic_congestion_t *cg; |
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103 ngx_quic_connection_t *qc; |
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104 |
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105 c->log->action = "sending frames"; |
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106 |
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107 qc = ngx_quic_get_connection(c); |
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108 cg = &qc->congestion; |
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109 |
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110 in_flight = cg->in_flight; |
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111 |
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112 #if ((NGX_HAVE_UDP_SEGMENT) && (NGX_HAVE_MSGHDR_MSG_CONTROL)) |
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113 if (ngx_quic_allow_segmentation(c, qsock)) { |
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114 rc = ngx_quic_create_segments(c, qsock); |
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115 } else |
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116 #endif |
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117 { |
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118 rc = ngx_quic_create_datagrams(c, qsock); |
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119 } |
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120 |
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121 if (rc != NGX_OK) { |
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122 return NGX_ERROR; |
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123 } |
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124 |
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125 if (in_flight != cg->in_flight && !qc->send_timer_set && !qc->closing) { |
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126 qc->send_timer_set = 1; |
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127 ngx_add_timer(c->read, qc->tp.max_idle_timeout); |
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128 } |
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129 |
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130 return NGX_OK; |
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131 } |
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132 |
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133 |
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134 static ngx_int_t |
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135 ngx_quic_create_datagrams(ngx_connection_t *c, ngx_quic_socket_t *qsock) |
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136 { |
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137 off_t max; |
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138 size_t len, min; |
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139 ssize_t n; |
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140 u_char *p; |
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141 ngx_uint_t i, pad; |
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142 ngx_quic_path_t *path; |
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143 ngx_quic_send_ctx_t *ctx; |
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144 ngx_quic_connection_t *qc; |
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145 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE]; |
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146 |
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147 qc = ngx_quic_get_connection(c); |
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148 |
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149 path = qsock->path; |
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150 |
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151 for ( ;; ) { |
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152 p = dst; |
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153 |
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154 len = ngx_min(qc->ctp.max_udp_payload_size, |
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155 NGX_QUIC_MAX_UDP_PAYLOAD_SIZE); |
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156 |
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157 if (path->state != NGX_QUIC_PATH_VALIDATED) { |
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158 max = path->received * 3; |
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159 max = (path->sent >= max) ? 0 : max - path->sent; |
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160 |
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161 len = ngx_min(len, (size_t) max); |
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162 } |
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163 |
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164 pad = ngx_quic_get_padding_level(c); |
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165 |
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166 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) { |
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167 |
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168 ctx = &qc->send_ctx[i]; |
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169 |
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170 if (ngx_quic_generate_ack(c, ctx) != NGX_OK) { |
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171 return NGX_ERROR; |
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172 } |
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173 |
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174 min = (i == pad && p - dst < NGX_QUIC_MIN_INITIAL_SIZE) |
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175 ? NGX_QUIC_MIN_INITIAL_SIZE - (p - dst) : 0; |
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176 |
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177 n = ngx_quic_output_packet(c, ctx, p, len, min, qsock); |
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178 if (n == NGX_ERROR) { |
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179 return NGX_ERROR; |
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180 } |
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181 |
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182 p += n; |
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183 len -= n; |
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184 } |
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185 |
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186 len = p - dst; |
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187 if (len == 0) { |
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188 break; |
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189 } |
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190 |
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191 n = ngx_quic_send(c, dst, len, path->sockaddr, path->socklen); |
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192 |
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193 if (n == NGX_ERROR) { |
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194 return NGX_ERROR; |
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195 } |
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196 |
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197 path->sent += len; |
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198 } |
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199 |
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200 return NGX_OK; |
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201 } |
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202 |
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203 |
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204 #if ((NGX_HAVE_UDP_SEGMENT) && (NGX_HAVE_MSGHDR_MSG_CONTROL)) |
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205 |
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206 static ngx_uint_t |
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207 ngx_quic_allow_segmentation(ngx_connection_t *c, ngx_quic_socket_t *qsock) |
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208 { |
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209 size_t bytes, len; |
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210 ngx_queue_t *q; |
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211 ngx_quic_frame_t *f; |
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212 ngx_quic_send_ctx_t *ctx; |
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213 ngx_quic_connection_t *qc; |
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214 |
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215 qc = ngx_quic_get_connection(c); |
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216 |
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217 if (!qc->conf->gso_enabled) { |
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218 return 0; |
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219 } |
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220 |
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|
221 if (qsock->path->state != NGX_QUIC_PATH_VALIDATED) { |
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222 /* don't even try to be faster on non-validated paths */ |
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|
223 return 0; |
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|
224 } |
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225 |
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|
226 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_initial); |
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227 if (!ngx_queue_empty(&ctx->frames)) { |
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228 return 0; |
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|
229 } |
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230 |
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|
231 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_handshake); |
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232 if (!ngx_queue_empty(&ctx->frames)) { |
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233 return 0; |
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|
234 } |
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235 |
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|
236 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_application); |
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237 |
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|
238 bytes = 0; |
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|
239 |
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240 len = ngx_min(qc->ctp.max_udp_payload_size, |
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|
241 NGX_QUIC_MAX_UDP_SEGMENT_BUF); |
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242 |
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243 for (q = ngx_queue_head(&ctx->frames); |
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244 q != ngx_queue_sentinel(&ctx->frames); |
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245 q = ngx_queue_next(q)) |
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246 { |
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247 f = ngx_queue_data(q, ngx_quic_frame_t, queue); |
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248 |
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249 bytes += f->len; |
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250 |
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251 if (bytes > len * 3) { |
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252 /* require at least ~3 full packets to batch */ |
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253 return 1; |
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254 } |
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255 } |
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256 |
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257 return 0; |
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258 } |
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259 |
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260 |
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261 static ngx_int_t |
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262 ngx_quic_create_segments(ngx_connection_t *c, ngx_quic_socket_t *qsock) |
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263 { |
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264 size_t len, segsize; |
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265 ssize_t n; |
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266 u_char *p, *end; |
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267 ngx_uint_t nseg; |
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268 ngx_quic_send_ctx_t *ctx; |
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269 ngx_quic_path_t *path; |
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270 ngx_quic_connection_t *qc; |
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271 static u_char dst[NGX_QUIC_MAX_UDP_SEGMENT_BUF]; |
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272 |
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273 qc = ngx_quic_get_connection(c); |
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274 path = qsock->path; |
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275 |
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276 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_application); |
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277 |
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278 if (ngx_quic_generate_ack(c, ctx) != NGX_OK) { |
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279 return NGX_ERROR; |
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280 } |
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281 |
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282 segsize = ngx_min(qc->ctp.max_udp_payload_size, |
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283 NGX_QUIC_MAX_UDP_SEGMENT_BUF); |
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284 p = dst; |
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285 end = dst + sizeof(dst); |
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286 |
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287 nseg = 0; |
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288 |
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289 for ( ;; ) { |
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290 |
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291 len = ngx_min(segsize, (size_t) (end - p)); |
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292 |
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293 if (len) { |
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294 |
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295 n = ngx_quic_output_packet(c, ctx, p, len, len, qsock); |
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296 if (n == NGX_ERROR) { |
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297 return NGX_ERROR; |
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298 } |
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299 |
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300 p += n; |
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301 nseg++; |
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302 |
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303 } else { |
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304 n = 0; |
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305 } |
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306 |
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307 if (p == dst) { |
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308 break; |
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309 } |
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310 |
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311 if (n == 0 || nseg == NGX_QUIC_MAX_SEGMENTS) { |
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312 n = ngx_quic_send_segments(c, dst, p - dst, path->sockaddr, |
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313 path->socklen, segsize); |
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314 if (n == NGX_ERROR) { |
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315 return NGX_ERROR; |
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316 } |
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317 |
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318 path->sent += n; |
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319 |
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320 p = dst; |
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321 nseg = 0; |
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322 } |
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323 } |
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324 |
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325 return NGX_OK; |
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|
326 } |
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327 |
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328 |
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329 static ssize_t |
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330 ngx_quic_send_segments(ngx_connection_t *c, u_char *buf, size_t len, |
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331 struct sockaddr *sockaddr, socklen_t socklen, size_t segment) |
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332 { |
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333 size_t clen; |
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334 ssize_t n; |
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335 uint16_t *valp; |
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336 struct iovec iov; |
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337 struct msghdr msg; |
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338 struct cmsghdr *cmsg; |
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339 |
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340 #if defined(NGX_HAVE_ADDRINFO_CMSG) |
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341 char msg_control[CMSG_SPACE(sizeof(uint16_t)) |
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342 + CMSG_SPACE(sizeof(ngx_addrinfo_t))]; |
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343 #else |
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344 char msg_control[CMSG_SPACE(sizeof(uint16_t))]; |
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345 #endif |
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346 |
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347 ngx_memzero(&msg, sizeof(struct msghdr)); |
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348 ngx_memzero(msg_control, sizeof(msg_control)); |
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349 |
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350 iov.iov_len = len; |
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351 iov.iov_base = buf; |
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352 |
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353 msg.msg_iov = &iov; |
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354 msg.msg_iovlen = 1; |
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355 |
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356 msg.msg_name = sockaddr; |
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357 msg.msg_namelen = socklen; |
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358 |
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359 msg.msg_control = msg_control; |
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360 msg.msg_controllen = sizeof(msg_control); |
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361 |
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362 cmsg = CMSG_FIRSTHDR(&msg); |
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363 |
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|
364 cmsg->cmsg_level = SOL_UDP; |
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365 cmsg->cmsg_type = UDP_SEGMENT; |
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366 cmsg->cmsg_len = CMSG_LEN(sizeof(uint16_t)); |
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367 |
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368 clen = CMSG_SPACE(sizeof(uint16_t)); |
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369 |
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|
370 valp = (void *) CMSG_DATA(cmsg); |
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|
371 *valp = segment; |
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parents:
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|
372 |
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|
373 #if defined(NGX_HAVE_ADDRINFO_CMSG) |
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374 if (c->listening && c->listening->wildcard && c->local_sockaddr) { |
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|
375 cmsg = CMSG_NXTHDR(&msg, cmsg); |
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|
376 clen += ngx_set_srcaddr_cmsg(cmsg, c->local_sockaddr); |
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|
377 } |
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|
378 #endif |
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|
379 |
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|
380 msg.msg_controllen = clen; |
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|
381 |
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|
382 n = ngx_sendmsg(c, &msg, 0); |
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parents:
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|
383 if (n == -1) { |
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|
384 return NGX_ERROR; |
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parents:
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diff
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|
385 } |
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parents:
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|
386 |
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parents:
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|
387 c->sent += n; |
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|
388 |
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|
389 return n; |
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parents:
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|
390 } |
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|
391 |
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|
392 #endif |
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|
393 |
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|
394 |
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|
395 |
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changeset
|
396 static ngx_uint_t |
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parents:
diff
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|
397 ngx_quic_get_padding_level(ngx_connection_t *c) |
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parents:
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|
398 { |
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diff
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|
399 ngx_queue_t *q; |
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parents:
diff
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|
400 ngx_quic_frame_t *f; |
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parents:
diff
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|
401 ngx_quic_send_ctx_t *ctx; |
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parents:
diff
changeset
|
402 ngx_quic_connection_t *qc; |
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parents:
diff
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|
403 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
404 /* |
8498
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Sergey Kandaurov <pluknet@nginx.com>
parents:
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|
405 * RFC 9000, 14.1. Initial Datagram Size |
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|
406 * |
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diff
changeset
|
407 * Similarly, a server MUST expand the payload of all UDP datagrams |
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parents:
diff
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|
408 * carrying ack-eliciting Initial packets to at least the smallest |
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|
409 * allowed maximum datagram size of 1200 bytes. |
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|
410 */ |
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parents:
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|
411 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
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|
412 qc = ngx_quic_get_connection(c); |
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parents:
diff
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|
413 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_initial); |
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parents:
diff
changeset
|
414 |
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parents:
diff
changeset
|
415 for (q = ngx_queue_head(&ctx->frames); |
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parents:
diff
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|
416 q != ngx_queue_sentinel(&ctx->frames); |
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|
417 q = ngx_queue_next(q)) |
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|
418 { |
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|
419 f = ngx_queue_data(q, ngx_quic_frame_t, queue); |
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diff
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|
420 |
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|
421 if (f->need_ack) { |
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parents:
diff
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|
422 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_handshake); |
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|
423 |
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|
424 if (ngx_queue_empty(&ctx->frames)) { |
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parents:
diff
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|
425 return 0; |
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parents:
diff
changeset
|
426 } |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
427 |
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parents:
diff
changeset
|
428 return 1; |
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parents:
diff
changeset
|
429 } |
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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 |
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parents:
diff
changeset
|
432 return NGX_QUIC_SEND_CTX_LAST; |
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parents:
diff
changeset
|
433 } |
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parents:
diff
changeset
|
434 |
bc910a5ec737
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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 static ssize_t |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
437 ngx_quic_output_packet(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx, |
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|
438 u_char *data, size_t max, size_t min, ngx_quic_socket_t *qsock) |
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parents:
diff
changeset
|
439 { |
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parents:
diff
changeset
|
440 size_t len, hlen, pad_len; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
441 u_char *p; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
442 ssize_t flen; |
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QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
443 ngx_str_t out, res; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
444 ngx_int_t rc; |
8423
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QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
445 ngx_uint_t nframes, has_pr; |
8411
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
446 ngx_msec_t now; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
447 ngx_queue_t *q; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
448 ngx_quic_frame_t *f; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
449 ngx_quic_header_t pkt; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
450 ngx_quic_congestion_t *cg; |
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QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
451 ngx_quic_connection_t *qc; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
452 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
|
453 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
454 if (ngx_queue_empty(&ctx->frames)) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
455 return 0; |
bc910a5ec737
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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 |
8423
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parents:
8411
diff
changeset
|
458 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, |
4117aa7fa38e
QUIC: connection migration.
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parents:
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|
459 "quic output sock #%uL %s packet max:%uz min:%uz", |
4117aa7fa38e
QUIC: connection migration.
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parents:
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diff
changeset
|
460 qsock->sid.seqnum, ngx_quic_level_name(ctx->level), |
4117aa7fa38e
QUIC: connection migration.
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parents:
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diff
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|
461 max, min); |
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parents:
diff
changeset
|
462 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
463 qc = ngx_quic_get_connection(c); |
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parents:
diff
changeset
|
464 cg = &qc->congestion; |
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QUIC: separate files for output and ack related processing.
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parents:
diff
changeset
|
465 |
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QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
466 hlen = (ctx->level == ssl_encryption_application) |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
467 ? NGX_QUIC_MAX_SHORT_HEADER |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
468 : NGX_QUIC_MAX_LONG_HEADER; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
469 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
470 hlen += EVP_GCM_TLS_TAG_LEN; |
8423
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parents:
8411
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|
471 hlen -= NGX_QUIC_MAX_CID_LEN - qsock->cid->len; |
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parents:
diff
changeset
|
472 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
473 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
474 |
bc910a5ec737
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
475 now = ngx_current_msec; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
476 nframes = 0; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
477 p = src; |
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QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
478 len = 0; |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
479 has_pr = 0; |
8411
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
480 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
481 for (q = ngx_queue_head(&ctx->frames); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
482 q != ngx_queue_sentinel(&ctx->frames); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
483 q = ngx_queue_next(q)) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
484 { |
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QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
485 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
|
486 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
487 if (!pkt.need_ack && f->need_ack && max > cg->window) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
488 max = cg->window; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
489 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
490 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
491 if (f->type == NGX_QUIC_FT_PATH_RESPONSE |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
492 || f->type == NGX_QUIC_FT_PATH_CHALLENGE) |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
493 { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
494 has_pr = 1; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
495 } |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
496 |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
497 if (hlen + len >= max) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
498 break; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
499 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
500 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
501 if (hlen + len + f->len > max) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
502 rc = ngx_quic_split_frame(c, f, max - hlen - len); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
503 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
504 if (rc == NGX_ERROR) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
505 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
506 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
507 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
508 if (rc == NGX_DECLINED) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
509 break; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
510 } |
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 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
513 if (f->need_ack) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
514 pkt.need_ack = 1; |
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 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
517 ngx_quic_log_frame(c->log, f, 1); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
518 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
519 flen = ngx_quic_create_frame(p, f); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
520 if (flen == -1) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
521 return NGX_ERROR; |
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 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
524 len += flen; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
525 p += flen; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
526 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
527 f->pnum = ctx->pnum; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
528 f->first = now; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
529 f->last = now; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
530 f->plen = 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
531 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
532 nframes++; |
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 if (f->flush) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
535 break; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
536 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
537 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
538 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
539 if (nframes == 0) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
540 return 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
541 } |
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 out.data = src; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
544 out.len = len; |
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 pkt.keys = qc->keys; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
547 pkt.flags = NGX_QUIC_PKT_FIXED_BIT; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
548 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
549 if (ctx->level == ssl_encryption_initial) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
550 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_INITIAL; |
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 } else if (ctx->level == ssl_encryption_handshake) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
553 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_HANDSHAKE; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
554 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
555 } else { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
556 if (qc->key_phase) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
557 pkt.flags |= NGX_QUIC_PKT_KPHASE; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
558 } |
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 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
561 ngx_quic_set_packet_number(&pkt, ctx); |
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 pkt.version = qc->version; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
564 pkt.log = c->log; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
565 pkt.level = ctx->level; |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
566 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
567 pkt.dcid.data = qsock->cid->id; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
568 pkt.dcid.len = qsock->cid->len; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
569 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
570 pkt.scid.data = qsock->sid.id; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
571 pkt.scid.len = qsock->sid.len; |
8411
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 pad_len = 4; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
574 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
575 if (min || has_pr) { |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
576 hlen = EVP_GCM_TLS_TAG_LEN |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
577 + ngx_quic_create_header(&pkt, NULL, out.len, NULL); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
578 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
579 /* |
8498
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8423
diff
changeset
|
580 * RFC 9000, 8.2.1. Initiating Path Validation |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8423
diff
changeset
|
581 * |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
582 * An endpoint MUST expand datagrams that contain a |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
583 * PATH_CHALLENGE frame to at least the smallest allowed |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
584 * maximum datagram size of 1200 bytes, unless the |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
585 * anti-amplification limit for the path does not permit |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
586 * sending a datagram of this size. |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
587 * |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
588 * (same applies to PATH_RESPONSE frames) |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
589 */ |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
590 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
591 if (has_pr) { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
592 min = ngx_max(1200, min); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
593 } |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
594 |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
595 if (min > hlen + pad_len) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
596 pad_len = min - hlen; |
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 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
600 if (out.len < pad_len) { |
8509
5b0c229ba5fe
QUIC: fixed padding calculation.
Vladimir Homutov <vl@nginx.com>
parents:
8498
diff
changeset
|
601 /* compensate for potentially enlarged header in Length bytes */ |
5b0c229ba5fe
QUIC: fixed padding calculation.
Vladimir Homutov <vl@nginx.com>
parents:
8498
diff
changeset
|
602 pad_len -= ngx_quic_create_header(&pkt, NULL, pad_len, NULL) |
5b0c229ba5fe
QUIC: fixed padding calculation.
Vladimir Homutov <vl@nginx.com>
parents:
8498
diff
changeset
|
603 - ngx_quic_create_header(&pkt, NULL, out.len, NULL); |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
604 ngx_memset(p, NGX_QUIC_FT_PADDING, pad_len - out.len); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
605 out.len = pad_len; |
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 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
608 pkt.payload = out; |
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 res.data = data; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
611 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
612 ngx_log_debug6(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
|
613 "quic packet tx %s bytes:%ui" |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
614 " need_ack:%d number:%L encoded nl:%d trunc:0x%xD", |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
615 ngx_quic_level_name(ctx->level), out.len, pkt.need_ack, |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
616 pkt.number, pkt.num_len, pkt.trunc); |
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 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
|
619 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
620 } |
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 ctx->pnum++; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
623 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
624 if (pkt.need_ack) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
625 /* move frames into the sent queue to wait for ack */ |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
626 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
627 if (!qc->closing) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
628 q = ngx_queue_head(&ctx->frames); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
629 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
|
630 f->plen = res.len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
631 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
632 do { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
633 q = ngx_queue_head(&ctx->frames); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
634 ngx_queue_remove(q); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
635 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
|
636 } while (--nframes); |
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 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
639 cg->in_flight += res.len; |
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 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
|
642 "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
|
643 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
644 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
645 while (nframes--) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
646 q = ngx_queue_head(&ctx->frames); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
647 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
|
648 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
649 ngx_queue_remove(q); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
650 ngx_quic_free_frame(c, f); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
651 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
652 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
653 return res.len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
654 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
655 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
656 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
657 static ssize_t |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
658 ngx_quic_send(ngx_connection_t *c, u_char *buf, size_t len, |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
659 struct sockaddr *sockaddr, socklen_t socklen) |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
660 { |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
661 ngx_buf_t b; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
662 socklen_t orig_socklen; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
663 ngx_chain_t cl, *res; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
664 struct sockaddr *orig_sockaddr; |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
665 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
666 ngx_memzero(&b, sizeof(ngx_buf_t)); |
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 b.pos = b.start = buf; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
669 b.last = b.end = buf + len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
670 b.last_buf = 1; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
671 b.temporary = 1; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
672 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
673 cl.buf = &b; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
674 cl.next= NULL; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
675 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
676 orig_socklen = c->socklen; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
677 orig_sockaddr = c->sockaddr; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
678 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
679 c->sockaddr = sockaddr; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
680 c->socklen = socklen; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
681 |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
682 res = c->send_chain(c, &cl, 0); |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
683 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
684 c->sockaddr = orig_sockaddr; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
685 c->socklen = orig_socklen; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
686 |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
687 if (res == NGX_CHAIN_ERROR) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
688 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
689 } |
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 return len; |
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 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
694 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
695 static void |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
696 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
|
697 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
698 uint64_t delta; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
699 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
700 delta = ctx->pnum - ctx->largest_ack; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
701 pkt->number = ctx->pnum; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
702 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
703 if (delta <= 0x7F) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
704 pkt->num_len = 1; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
705 pkt->trunc = ctx->pnum & 0xff; |
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 } else if (delta <= 0x7FFF) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
708 pkt->num_len = 2; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
709 pkt->flags |= 0x1; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
710 pkt->trunc = ctx->pnum & 0xffff; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
711 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
712 } else if (delta <= 0x7FFFFF) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
713 pkt->num_len = 3; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
714 pkt->flags |= 0x2; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
715 pkt->trunc = ctx->pnum & 0xffffff; |
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 } else { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
718 pkt->num_len = 4; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
719 pkt->flags |= 0x3; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
720 pkt->trunc = ctx->pnum & 0xffffffff; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
721 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
722 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
723 |
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 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
726 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
|
727 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
728 size_t len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
729 ngx_quic_header_t pkt; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
730 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
|
731 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
732 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
|
733 "sending version negotiation packet"); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
734 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
735 pkt.log = c->log; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
736 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
|
737 pkt.dcid = inpkt->scid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
738 pkt.scid = inpkt->dcid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
739 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
740 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
|
741 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
742 #ifdef NGX_QUIC_DEBUG_PACKETS |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
743 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
|
744 "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
|
745 #endif |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
746 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
747 (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
|
748 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
749 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
750 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
751 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
752 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
753 int |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
754 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
|
755 uint8_t alert) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
756 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
757 ngx_connection_t *c; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
758 ngx_quic_connection_t *qc; |
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 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
|
761 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
762 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
|
763 "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
|
764 (int) level, (int) alert); |
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 qc = ngx_quic_get_connection(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
767 if (qc == NULL) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
768 return 1; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
769 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
770 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
771 qc->error_level = level; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
772 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
|
773 qc->error_reason = "TLS alert"; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
774 qc->error_app = 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
775 qc->error_ftype = 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
776 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
777 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
|
778 return 0; |
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 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
781 return 1; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
782 } |
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 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
785 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
786 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
|
787 ngx_quic_header_t *pkt) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
788 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
789 u_char *token; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
790 size_t len, max; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
791 uint16_t rndbytes; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
792 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
|
793 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
794 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
|
795 "quic handle stateless reset output"); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
796 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
797 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
|
798 return NGX_DECLINED; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
799 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
800 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
801 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
|
802 len = pkt->len - 1; |
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 } else { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
805 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
|
806 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
807 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
|
808 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
809 } |
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 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
|
812 + NGX_QUIC_MIN_SR_PACKET; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
813 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
814 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
815 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
|
816 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
817 } |
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 buf[0] &= ~NGX_QUIC_PKT_LONG; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
820 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
|
821 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
822 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
|
823 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
824 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
|
825 != NGX_OK) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
826 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
827 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
828 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
829 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
830 (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
|
831 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
832 return NGX_DECLINED; |
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 |
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 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
837 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
|
838 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
839 ngx_quic_frame_t *frame; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
840 ngx_quic_connection_t *qc; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
841 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
842 qc = ngx_quic_get_connection(c); |
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 if (qc->draining) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
845 return NGX_OK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
846 } |
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 if (qc->closing |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
849 && 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
|
850 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
851 /* dot not send CC too often */ |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
852 return NGX_OK; |
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 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
855 frame = ngx_quic_alloc_frame(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
856 if (frame == 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 frame->level = qc->error_level; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
861 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
|
862 : NGX_QUIC_FT_CONNECTION_CLOSE; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
863 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
|
864 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
|
865 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
866 if (qc->error_reason) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
867 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
|
868 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
|
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 ngx_quic_queue_frame(qc, frame); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
872 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
873 qc->last_cc = ngx_current_msec; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
874 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
875 return ngx_quic_output(c); |
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 |
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 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
880 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
|
881 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
|
882 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
883 ssize_t len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
884 ngx_str_t res; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
885 ngx_quic_frame_t frame; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
886 ngx_quic_header_t pkt; |
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 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
|
889 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
|
890 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
891 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
|
892 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
|
893 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
894 frame.level = inpkt->level; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
895 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
|
896 frame.u.close.error_code = err; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
897 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
898 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
|
899 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
|
900 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
901 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
|
902 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
|
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 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
|
907 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
908 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
|
909 if (len == -1) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
910 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
911 } |
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 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
|
914 if (pkt.keys == NULL) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
915 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
916 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
917 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
918 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
|
919 inpkt->version) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
920 != NGX_OK) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
921 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
922 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
923 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
924 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
925 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
|
926 | NGX_QUIC_PKT_INITIAL; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
927 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
928 pkt.num_len = 1; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
929 /* |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
930 * pkt.num = 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
931 * pkt.trunc = 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
932 */ |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
933 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
934 pkt.version = inpkt->version; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
935 pkt.log = c->log; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
936 pkt.level = inpkt->level; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
937 pkt.dcid = inpkt->scid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
938 pkt.scid = inpkt->dcid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
939 pkt.payload.data = src; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
940 pkt.payload.len = len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
941 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
942 res.data = dst; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
943 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
944 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
|
945 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
946 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
947 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
948 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
|
949 == NGX_ERROR) |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
950 { |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
951 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
952 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
953 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
954 return NGX_OK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
955 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
956 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
957 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
958 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
959 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
|
960 ngx_quic_header_t *inpkt) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
961 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
962 time_t expires; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
963 ssize_t len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
964 ngx_str_t res, token; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
965 ngx_quic_header_t pkt; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
966 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
967 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
|
968 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
|
969 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
970 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
|
971 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
972 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
|
973 &token, &inpkt->dcid, expires, 1) |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
974 != NGX_OK) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
975 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
976 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
977 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
978 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
979 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
|
980 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
|
981 pkt.version = inpkt->version; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
982 pkt.log = c->log; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
983 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
984 pkt.odcid = inpkt->dcid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
985 pkt.dcid = inpkt->scid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
986 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
987 /* TODO: generate routable dcid */ |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
988 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
|
989 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
990 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
991 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
992 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
|
993 pkt.scid.data = dcid; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
994 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
995 pkt.token = token; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
996 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
997 res.data = buf; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
998 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
999 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
|
1000 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1001 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1002 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1003 #ifdef NGX_QUIC_DEBUG_PACKETS |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1004 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
|
1005 "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
|
1006 #endif |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1007 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1008 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
|
1009 if (len == NGX_ERROR) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1010 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1011 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1012 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1013 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
|
1014 "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
|
1015 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1016 /* |
8498
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8423
diff
changeset
|
1017 * RFC 9000, 17.2.5.1. Sending a Retry Packet |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8423
diff
changeset
|
1018 * |
4715f3e669f1
QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8423
diff
changeset
|
1019 * A server MUST NOT send more than one Retry |
8411
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1020 * 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
|
1021 * 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
|
1022 */ |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1023 return NGX_DONE; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1024 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1025 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1026 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1027 ngx_int_t |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1028 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
|
1029 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1030 time_t expires; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1031 ngx_str_t token; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1032 ngx_quic_frame_t *frame; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1033 ngx_quic_connection_t *qc; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1034 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1035 qc = ngx_quic_get_connection(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1036 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1037 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
|
1038 |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1039 if (ngx_quic_new_token(c, path->sockaddr, path->socklen, |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1040 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
|
1041 != NGX_OK) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1042 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1043 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1044 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1045 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1046 frame = ngx_quic_alloc_frame(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1047 if (frame == NULL) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1048 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1049 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1050 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1051 frame->level = ssl_encryption_application; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1052 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
|
1053 frame->u.token.length = token.len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1054 frame->u.token.data = token.data; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1055 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1056 ngx_quic_queue_frame(qc, frame); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1057 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1058 return NGX_OK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1059 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1060 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1061 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1062 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1063 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
|
1064 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1065 size_t len, left; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1066 uint64_t ack_delay; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1067 ngx_buf_t *b; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1068 ngx_uint_t i; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1069 ngx_chain_t *cl, **ll; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1070 ngx_quic_frame_t *frame; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1071 ngx_quic_connection_t *qc; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1072 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1073 qc = ngx_quic_get_connection(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1074 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1075 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
|
1076 ack_delay *= 1000; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1077 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
|
1078 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1079 frame = ngx_quic_alloc_frame(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1080 if (frame == NULL) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1081 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1082 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1083 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1084 ll = &frame->data; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1085 b = NULL; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1086 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1087 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
|
1088 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
|
1089 ctx->ranges[i].range); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1090 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1091 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
|
1092 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1093 if (left < len) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1094 cl = ngx_quic_alloc_buf(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1095 if (cl == NULL) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1096 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1097 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1098 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1099 *ll = cl; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1100 ll = &cl->next; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1101 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1102 b = cl->buf; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1103 left = b->end - b->last; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1104 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1105 if (left < len) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1106 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1107 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1108 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1109 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1110 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
|
1111 ctx->ranges[i].range); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1112 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1113 frame->u.ack.ranges_length += len; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1114 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1115 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1116 *ll = NULL; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1117 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1118 frame->level = ctx->level; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1119 frame->type = NGX_QUIC_FT_ACK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1120 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
|
1121 frame->u.ack.delay = ack_delay; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1122 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
|
1123 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
|
1124 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1125 ngx_quic_queue_frame(qc, frame); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1126 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1127 return NGX_OK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1128 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1129 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1130 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1131 ngx_int_t |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1132 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
|
1133 uint64_t smallest, uint64_t largest) |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1134 { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1135 ngx_quic_frame_t *frame; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1136 ngx_quic_connection_t *qc; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1137 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1138 qc = ngx_quic_get_connection(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1139 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1140 frame = ngx_quic_alloc_frame(c); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1141 if (frame == NULL) { |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1142 return NGX_ERROR; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1143 } |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1144 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1145 frame->level = ctx->level; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1146 frame->type = NGX_QUIC_FT_ACK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1147 frame->u.ack.largest = largest; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1148 frame->u.ack.delay = 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1149 frame->u.ack.range_count = 0; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1150 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
|
1151 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1152 ngx_quic_queue_frame(qc, frame); |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1153 |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1154 return NGX_OK; |
bc910a5ec737
QUIC: separate files for output and ack related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
1155 } |
8423
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1156 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1157 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1158 ssize_t |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1159 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
|
1160 size_t min, struct sockaddr *sockaddr, socklen_t socklen) |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1161 { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1162 ssize_t len; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1163 ngx_str_t res; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1164 ngx_quic_header_t pkt; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1165 ngx_quic_send_ctx_t *ctx; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1166 ngx_quic_connection_t *qc; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1167 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1168 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE]; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1169 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE]; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1170 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1171 qc = ngx_quic_get_connection(c); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1172 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1173 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1174 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1175 len = ngx_quic_create_frame(NULL, frame); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1176 if (len > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE) { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1177 return -1; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1178 } |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1179 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1180 ngx_quic_log_frame(c->log, frame, 1); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1181 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1182 len = ngx_quic_create_frame(src, frame); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1183 if (len == -1) { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1184 return -1; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1185 } |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1186 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1187 if (len < (ssize_t) min) { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1188 ngx_memset(src + len, NGX_QUIC_FT_PADDING, min - len); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1189 len = min; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1190 } |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1191 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1192 pkt.keys = qc->keys; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1193 pkt.flags = NGX_QUIC_PKT_FIXED_BIT; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1194 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1195 if (qc->key_phase) { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1196 pkt.flags |= NGX_QUIC_PKT_KPHASE; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1197 } |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1198 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1199 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_application); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1200 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1201 ngx_quic_set_packet_number(&pkt, ctx); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1202 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1203 pkt.version = qc->version; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1204 pkt.log = c->log; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1205 pkt.level = ctx->level; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1206 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1207 pkt.dcid.data = qc->socket->cid->id; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1208 pkt.dcid.len = qc->socket->cid->len; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1209 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1210 pkt.scid.data = qc->socket->sid.id; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1211 pkt.scid.len = qc->socket->sid.len; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1212 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1213 pkt.payload.data = src; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1214 pkt.payload.len = len; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1215 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1216 res.data = dst; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1217 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1218 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) { |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1219 return -1; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1220 } |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1221 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1222 ctx->pnum++; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1223 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1224 len = ngx_quic_send(c, res.data, res.len, sockaddr, socklen); |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1225 |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1226 return len; |
4117aa7fa38e
QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents:
8411
diff
changeset
|
1227 } |