server.h

   1 #ifndef SERVER_H
   2 #define SERVER_H
   3
   4 #undef _POSIX_C_SOURCE
   5 #define _POSIX_C_SOURCE 200809L
   6
   7 #include <sys/socket.h>
   8 #include <netdb.h>
   9 #include <netinet/in.h>
  10
  11 #pragma RcB2 DEP "server.c"
  12
  13 union sockaddr_union {
  14         struct sockaddr_in  v4;
  15         struct sockaddr_in6 v6;
  16 };
  17
  18 #define SOCKADDR_UNION_AF(PTR) (PTR)->v4.sin_family
  19
  20 #define SOCKADDR_UNION_LENGTH(PTR) ( \
  21         ( SOCKADDR_UNION_AF(PTR) == AF_INET  ) ? sizeof((PTR)->v4) : ( \
  22         ( SOCKADDR_UNION_AF(PTR) == AF_INET6 ) ? sizeof((PTR)->v6) : 0 ) )
  23
  24 #define SOCKADDR_UNION_ADDRESS(PTR) ( \
  25         ( SOCKADDR_UNION_AF(PTR) == AF_INET  ) ? (void*) &(PTR)->v4.sin_addr  : ( \
  26         ( SOCKADDR_UNION_AF(PTR) == AF_INET6 ) ? (void*) &(PTR)->v6.sin6_addr : (void*) 0 ) )
  27
  28 #define SOCKADDR_UNION_PORT(PTR) ( \
  29         ( SOCKADDR_UNION_AF(PTR) == AF_INET  ) ? (PTR)->v4.sin_port  : ( \
  30         ( SOCKADDR_UNION_AF(PTR) == AF_INET6 ) ? (PTR)->v6.sin6_port : 0 ) )
  31
  32 struct client {
  33         union sockaddr_union addr;
  34         int fd;
  35 };
  36
  37 struct server {
  38         int fd;
  39 };
  40
  41 int resolve(const char *host, unsigned short port, struct addrinfo** addr);
  42 int resolve_sa(const char *host, unsigned short port, union sockaddr_union *res);
  43 int bindtoip(int fd, union sockaddr_union *bindaddr);
  44
  45 int server_waitclient(struct server *server, struct client* client);
  46 int server_setup(struct server *server, const char* listenip, unsigned short port);
  47
  48 #endif
  49