method

ip_port

v1_9_3_392 - Show latest stable - 0 notes - Class: Addrinfo

ip_port() public

Returns the port number as an integer.

Addrinfo.tcp("127.0.0.1", 80).ip_port    #=> 80
Addrinfo.tcp("::1", 80).ip_port          #=> 80

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static VALUE
addrinfo_ip_port(VALUE self)
{
    rb_addrinfo_t *rai = get_addrinfo(self);
    int family = ai_get_afamily(rai);
    int port;

    if (!IS_IP_FAMILY(family)) {
      bad_family:
#ifdef AF_INET6
        rb_raise(rb_eSocket, "need IPv4 or IPv6 address");
#else
        rb_raise(rb_eSocket, "need IPv4 address");
#endif
    }

    switch (family) {
      case AF_INET:
        if (rai->sockaddr_len != sizeof(struct sockaddr_in))
            rb_raise(rb_eSocket, "unexpected sockaddr size for IPv4");
        port = ntohs(((struct sockaddr_in *)&rai->addr)->sin_port);
        break;

#ifdef AF_INET6
      case AF_INET6:
        if (rai->sockaddr_len != sizeof(struct sockaddr_in6))
            rb_raise(rb_eSocket, "unexpected sockaddr size for IPv6");
        port = ntohs(((struct sockaddr_in6 *)&rai->addr)->sin6_port);
        break;
#endif

      default:
        goto bad_family;
    }

    return INT2NUM(port);
}

ip_port

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