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annotate src/event/ngx_event_udp.h @ 9008:ce6d9cf0f567 quic

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Merged with the default branch.
author Sergey Kandaurov <pluknet@nginx.com>
date Mon, 14 Feb 2022 10:14:07 +0300
parents e7a2d3914877 0f6cc8f73744
children c2f5d79cde64
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1
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 */
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7 #ifndef _NGX_EVENT_UDP_H_INCLUDED_
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8 #define _NGX_EVENT_UDP_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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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
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23 #endif
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25
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26 typedef struct {
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27 ngx_buf_t *buffer;
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28 struct sockaddr *sockaddr;
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29 socklen_t socklen;
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30 } ngx_udp_dgram_t;
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31
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32
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33 struct ngx_udp_connection_s {
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34 ngx_rbtree_node_t node;
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35 ngx_connection_t *connection;
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36 ngx_str_t key;
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37 ngx_udp_dgram_t *dgram;
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38 };
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41 #if (NGX_HAVE_ADDRINFO_CMSG)
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42
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43 typedef union {
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44 #if (NGX_HAVE_IP_SENDSRCADDR || NGX_HAVE_IP_RECVDSTADDR)
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45 struct in_addr addr;
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46 #endif
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47
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48 #if (NGX_HAVE_IP_PKTINFO)
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49 struct in_pktinfo pkt;
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50 #endif
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51
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52 #if (NGX_HAVE_INET6 && NGX_HAVE_IPV6_RECVPKTINFO)
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53 struct in6_pktinfo pkt6;
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54 #endif
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55 } ngx_addrinfo_t;
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56
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57 size_t ngx_set_srcaddr_cmsg(struct cmsghdr *cmsg,
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58 struct sockaddr *local_sockaddr);
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59 ngx_int_t ngx_get_srcaddr_cmsg(struct cmsghdr *cmsg,
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60 struct sockaddr *local_sockaddr);
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61
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62 #endif
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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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76 #endif /* _NGX_EVENT_UDP_H_INCLUDED_ */