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annotate src/event/ngx_event_udp.h @ 8002:cfe1284e5d1d

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Core: made the ngx_sendmsg() function non-static. The NGX_HAVE_ADDRINFO_CMSG macro is defined when at least one of methods to deal with corresponding control message is available.
author Vladimir Homutov <vl@nginx.com>
date Tue, 25 Jan 2022 15:48:56 +0300
parents 8206ecdcd837
children 0f6cc8f73744
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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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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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23 #endif
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26 #if (NGX_HAVE_ADDRINFO_CMSG)
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28 typedef union {
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29 #if (NGX_HAVE_IP_SENDSRCADDR || NGX_HAVE_IP_RECVDSTADDR)
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30 struct in_addr addr;
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31 #endif
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33 #if (NGX_HAVE_IP_PKTINFO)
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34 struct in_pktinfo pkt;
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35 #endif
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37 #if (NGX_HAVE_INET6 && NGX_HAVE_IPV6_RECVPKTINFO)
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38 struct in6_pktinfo pkt6;
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39 #endif
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40 } ngx_addrinfo_t;
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42 size_t ngx_set_srcaddr_cmsg(struct cmsghdr *cmsg,
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43 struct sockaddr *local_sockaddr);
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45 #endif
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47 void ngx_event_recvmsg(ngx_event_t *ev);
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48 ssize_t ngx_sendmsg(ngx_connection_t *c, struct msghdr *msg, int flags);
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49 void ngx_udp_rbtree_insert_value(ngx_rbtree_node_t *temp,
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50 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
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51 #endif
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53 void ngx_delete_udp_connection(void *data);
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56 #endif /* _NGX_EVENT_UDP_H_INCLUDED_ */