Mercurial > hg > nginx-quic
annotate src/event/ngx_event_udp.h @ 8639:b5296bd8631c quic
QUIC: Check if CID has been used in stateless reset check
Section 10.3.1 of RFC9000 requires this check.
author | Martin Duke <m.duke@f5.com> |
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date | Tue, 12 Oct 2021 11:56:49 +0300 |
parents | e7a2d3914877 |
children | ce6d9cf0f567 |
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1 |
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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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4 */ |
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5 |
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6 |
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7 #ifndef _NGX_EVENT_UDP_H_INCLUDED_ |
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8 #define _NGX_EVENT_UDP_H_INCLUDED_ |
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9 |
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10 |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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13 |
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14 |
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15 #if !(NGX_WIN32) |
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16 |
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17 #if ((NGX_HAVE_MSGHDR_MSG_CONTROL) \ |
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18 && (NGX_HAVE_IP_SENDSRCADDR || NGX_HAVE_IP_RECVDSTADDR \ |
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19 || NGX_HAVE_IP_PKTINFO \ |
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20 || (NGX_HAVE_INET6 && NGX_HAVE_IPV6_RECVPKTINFO))) |
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21 #define NGX_HAVE_ADDRINFO_CMSG 1 |
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22 #endif |
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23 |
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24 |
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25 typedef struct { |
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26 ngx_buf_t *buffer; |
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27 struct sockaddr *sockaddr; |
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28 socklen_t socklen; |
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29 } ngx_udp_dgram_t; |
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30 |
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31 |
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32 struct ngx_udp_connection_s { |
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33 ngx_rbtree_node_t node; |
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34 ngx_connection_t *connection; |
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35 ngx_str_t key; |
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36 ngx_udp_dgram_t *dgram; |
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37 }; |
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38 |
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39 |
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40 #if (NGX_HAVE_ADDRINFO_CMSG) |
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41 |
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42 typedef union { |
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43 #if (NGX_HAVE_IP_SENDSRCADDR || NGX_HAVE_IP_RECVDSTADDR) |
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44 struct in_addr addr; |
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45 #endif |
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46 |
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47 #if (NGX_HAVE_IP_PKTINFO) |
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48 struct in_pktinfo pkt; |
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49 #endif |
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50 |
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51 #if (NGX_HAVE_INET6 && NGX_HAVE_IPV6_RECVPKTINFO) |
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52 struct in6_pktinfo pkt6; |
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53 #endif |
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54 } ngx_addrinfo_t; |
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55 |
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56 size_t ngx_set_srcaddr_cmsg(struct cmsghdr *cmsg, |
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57 struct sockaddr *local_sockaddr); |
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58 ngx_int_t ngx_get_srcaddr_cmsg(struct cmsghdr *cmsg, |
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59 struct sockaddr *local_sockaddr); |
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60 |
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61 #endif |
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62 |
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63 |
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64 void ngx_event_recvmsg(ngx_event_t *ev); |
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65 ssize_t ngx_sendmsg(ngx_connection_t *c, struct msghdr *msg, int flags); |
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66 void ngx_udp_rbtree_insert_value(ngx_rbtree_node_t *temp, |
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67 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); |
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68 void ngx_insert_udp_connection(ngx_connection_t *c, ngx_udp_connection_t *udp, |
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69 ngx_str_t *key); |
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70 |
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71 #endif |
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72 |
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73 void ngx_delete_udp_connection(void *data); |
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74 |
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75 |
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76 #endif /* _NGX_EVENT_UDP_H_INCLUDED_ */ |