struct sockaddr *
transport_listen
(
TransportProtocol protocol,
OWSLAddressFamily address_family,
unsigned short bind_port,
int pending_max
)
{
struct sockaddr * bound_address = NULL ;
struct sockaddr * address ;
char * ip = OWSL_LOCAL_ADDRESS ;
char public_ip [OWSL_IP_MAX_SIZE] ;
if (owsl_address_public_ip_get (address_family, public_ip, sizeof (public_ip)) == 0)
{
ip = public_ip ;
}
address = owsl_address_ip_port_new (address_family, ip, bind_port) ;
if (address != NULL)
{
bound_address = transport_address_listen (protocol, address, /*OWSL_ADDRESS_SIZE*/sizeof(struct sockaddr), 0, pending_max) ;
free (address) ;
}
return bound_address ;
}
NETLIB_BOOLEAN
udp_sip_ping
(
const char * sip_server,
unsigned short sip_port,
unsigned short local_port,
int ping_timeout,
const char * sip_address,
const char * sip_realm
)
{
int return_code ;
OWSLSocket udp_socket ;
struct sockaddr * local_address ;
struct sockaddr * remote_address ;
char * ip = OWSL_LOCAL_ADDRESS ;
char public_ip [OWSL_IP_MAX_SIZE] ;
if (owsl_address_public_ip_get (OWSL_AF_IPV4, public_ip, sizeof (public_ip)) == 0)
{
ip = public_ip ;
}
/* TODO: IPv6 support in netlib */
udp_socket = owsl_socket_by_type (OWSL_TYPE_IPV4_UDP) ;
if (udp_socket <= 0)
{
return NETLIB_FALSE ;
}
return_code = owsl_reuse_set (udp_socket) ;
if (return_code != 0)
{
owsl_close (udp_socket) ;
return NETLIB_FALSE ;
}
/* TODO: IPv6 support in netlib */
local_address = owsl_address_ip_port_new (OWSL_AF_IPV4, ip, local_port) ;
if (local_address == NULL)
{
owsl_close (udp_socket) ;
return NETLIB_FALSE ;
}
return_code = owsl_bind (udp_socket, local_address, /*OWSL_ADDRESS_SIZE*/sizeof(struct sockaddr)) ;
free (local_address) ;
if (return_code != 0)
{
owsl_close (udp_socket) ;
return NETLIB_FALSE ;
}
/* TODO: IPv6 support in netlib */
remote_address = owsl_address_port_new (OWSL_AF_IPV4, sip_server, sip_port) ;
if (remote_address == NULL)
{
owsl_close (udp_socket) ;
return NETLIB_FALSE ;
}
return_code = owsl_connect (udp_socket, remote_address, /*OWSL_ADDRESS_SIZE*/sizeof(struct sockaddr)) ;
free (remote_address) ;
if (return_code != 0)
{
NETLIB_LOG_ERROR (make_error_string ("udp_sip_ping : connect")) ;
owsl_close (udp_socket) ;
return NETLIB_FALSE ;
}
return_code = sip_ping (udp_socket, ping_timeout, sip_address, sip_realm) ;
owsl_close (udp_socket) ;
return return_code == 0 ? NETLIB_TRUE : NETLIB_FALSE ;
}