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src/event/ngx_event_udp.h - nginx source code

Data types defined

Macros defined

Source code


  2. /*
  3. * Copyright (C) Nginx, Inc.
  4. */


  7. #ifndef _NGX_EVENT_UDP_H_INCLUDED_
  8. ‌#define _NGX_EVENT_UDP_H_INCLUDED_


  11. #include <ngx_config.h>
  12. #include <ngx_core.h>


  15. #if !(NGX_WIN32)

  17. #if ((NGX_HAVE_MSGHDR_MSG_CONTROL)                                            \
  18.      && (NGX_HAVE_IP_SENDSRCADDR || NGX_HAVE_IP_RECVDSTADDR                   \
  19.          || NGX_HAVE_IP_PKTINFO                                               \
  20.          || (NGX_HAVE_INET6 && NGX_HAVE_IPV6_RECVPKTINFO)))
  21. ‌#define NGX_HAVE_ADDRINFO_CMSG  1

  23. #endif


  26. ‌struct ngx_udp_connection_s {
  27.     ngx_rbtree_node_t   node;
  28.     ngx_connection_t   *connection;
  29.     ngx_buf_t          *buffer;
  30.     ngx_str_t           key;
  31. };


  34. #if (NGX_HAVE_ADDRINFO_CMSG)

  36. ‌typedef union {
  37. #if (NGX_HAVE_IP_SENDSRCADDR || NGX_HAVE_IP_RECVDSTADDR)
  38.     struct in_addr        addr;
  39. #endif

  41. #if (NGX_HAVE_IP_PKTINFO)
  42.     struct in_pktinfo     pkt;
  43. #endif

  45. #if (NGX_HAVE_INET6 && NGX_HAVE_IPV6_RECVPKTINFO)
  46.     struct in6_pktinfo    pkt6;
  47. #endif
  48. ‌} ngx_addrinfo_t;

  50. size_t ngx_set_srcaddr_cmsg(struct cmsghdr *cmsg,
  51.     struct sockaddr *local_sockaddr);
  52. ngx_int_t ngx_get_srcaddr_cmsg(struct cmsghdr *cmsg,
  53.     struct sockaddr *local_sockaddr);

  55. #endif

  57. void ngx_event_recvmsg(ngx_event_t *ev);
  58. ssize_t ngx_sendmsg(ngx_connection_t *c, struct msghdr *msg, int flags);
  59. void ngx_udp_rbtree_insert_value(ngx_rbtree_node_t *temp,
  60.     ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
  61. #endif

  63. void ngx_delete_udp_connection(void *data);


  66. #endif /* _NGX_EVENT_UDP_H_INCLUDED_ */

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