/* Send SSDP discovery requests searching for WANIPConnection and
WANPPPConnection services on the local network. Return OK if we
can find one. Also set the serviceType parameter of the
UpnpController structure. */
static int Send_Ssdp_Discover(UpnpController * c, char ** ssdp_response)
{
int i;
int ret;
/* allocate space for our search string */
char * search_target = (char *)malloc(strlen(SSDP_TARGET) +
strlen(WANPPP_TARGET)+
NULL_TERM_LEN);
if(NULL == search_target) {
free(c);
return BAD_MALLOC;
}
for(i=0; i<NUM_SSDP_ATTEMPTS; i++) {
if(i%2 == 0) {
(void)sprintf(search_target, SSDP_TARGET, WANIP_TARGET);
} else {
(void)sprintf(search_target, SSDP_TARGET, WANPPP_TARGET);
}
ret = LNat_Ssdp_Discover(search_target, ssdp_response);
/* if ret == OK, we need to use i with the val it has, so break out */
if(ret == OK) {
break;
}
}
if(i == NUM_SSDP_ATTEMPTS) {
free(search_target);
return ret;
}
/* store the service type variable */
if(i%2 == 0) {
c->service_type = (char *)malloc(strlen(WANIP_TARGET) +
NULL_TERM_LEN);
if(NULL == c->service_type) {
free(search_target);
return BAD_MALLOC;
}
(void)strcpy(c->service_type, WANIP_TARGET);
} else {
c->service_type = (char *)malloc(strlen(WANPPP_TARGET) +
NULL_TERM_LEN);
if(NULL == c->service_type) {
free(search_target);
return BAD_MALLOC;
}
(void)strcpy(c->service_type, WANPPP_TARGET);
}
free(search_target);
return OK;
}
int main(int argc, char ** argv)
{
int ret = 0;
char * response;
if((ret = LNat_Ssdp_Discover("urn:schemas-upnp-org:service:WANIPConnection:1", &response)) != OK) {
LNat_Print_Internal_Error(ret);
exit(EXIT_FAILURE);
}
/*(void)printf("SSDP Response:\n%s\n\n", response);*/
(void)printf(response);
exit(EXIT_SUCCESS);
}