socket-util.h

   1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
   2
   3 #ifndef foosocketutilhfoo
   4 #define foosocketutilhfoo
   5
   6 #include <sys/socket.h>
   7 #include <netinet/in.h>
   8 #include <sys/un.h>
   9
  10 #include "macro.h"
  11 #include "util.h"
  12
  13 typedef struct SocketAddress {
  14         union {
  15                 struct sockaddr sa;
  16                 struct sockaddr_in in4;
  17                 struct sockaddr_in6 in6;
  18                 struct sockaddr_un un;
  19                 struct sockaddr_storage storage;
  20         } sockaddr;
  21
  22         /* We store the size here explicitly due to the weird
  23          * sockaddr_un semantics for abstract sockets */
  24         socklen_t size;
  25
  26         /* Socket type, i.e. SOCK_STREAM, SOCK_DGRAM, ... */
  27         int type;
  28 } SocketAddress;
  29
  30 typedef enum SocketAddressBindIPv6Only {
  31         SOCKET_ADDRESS_DEFAULT,
  32         SOCKET_ADDRESS_BOTH,
  33         SOCKET_ADDRESS_IPV6_ONLY
  34 } SocketAddressBindIPv6Only;
  35
  36 #define socket_address_family(a) ((a)->sockaddr.sa.sa_family)
  37
  38 int socket_address_parse(SocketAddress *a, const char *s);
  39 int socket_address_print(const SocketAddress *a, char **p);
  40 int socket_address_verify(const SocketAddress *a);
  41 int socket_address_listen(const SocketAddress *a, int backlog, SocketAddressBindIPv6Only only, int *ret);
  42
  43 #endif