void
ll_clean( struct linked_list **list )
{
struct linked_list *iter = *list;
struct linked_list_element *tmp;
if( !ll_is_valid( iter ))
return;
while(( tmp = ll_get_head( iter )) != NULL )
{
ll_remove_head( iter );
ll_free_element( ll_get_addr( tmp ));
}
free( iter );
}
/* retrieve a matching connection from the address information provided */
struct xbee_con *xbee_conFromAddress(struct xbee *xbee, struct xbee_conType *conType, struct xbee_conAddress *address) {
struct xbee_con *con, *scon;
/* check parameters */
if (!xbee) {
if (!xbee_default) return NULL;
xbee = xbee_default;
}
if (!xbee_validate(xbee)) return NULL;
if (!address) return NULL;
if (!conType || !conType->initialized) return NULL;
/* get the first connection, and return if there isn't one! */
con = ll_get_head(&conType->conList);
if (!con) return NULL;
/* if both addresses are completely blank, just return the first connection (probably a local AT connection) */
if ((!address->addr64_enabled && !address->addr16_enabled) &&
(!con->address.addr64_enabled && !con->address.addr16_enabled)) {
return con;
}
scon = NULL;
do {
/* if both addresses have no 16 or 64-bit addressing information, match! */
if ((!address->addr16_enabled && !con->address.addr16_enabled) &&
(!address->addr64_enabled && !con->address.addr64_enabled)) {
goto got1;
}
/* check 64-bit addressing */
if (address->addr64_enabled && con->address.addr64_enabled) {
xbee_log(10,"Testing 64-bit address: 0x%02X%02X%02X%02X 0x%02X%02X%02X%02X", con->address.addr64[0],
con->address.addr64[1],
con->address.addr64[2],
con->address.addr64[3],
con->address.addr64[4],
con->address.addr64[5],
con->address.addr64[6],
con->address.addr64[7]);
/* if 64-bit address matches, accept, else decline (don't even accept matching 16-bit address */
if (!memcmp(address->addr64, con->address.addr64, 8)) {
xbee_log(10," Success!");
goto got1;
}
}
/* check 16-bit addressing */
if (address->addr16_enabled && con->address.addr16_enabled) {
xbee_log(10,"Testing 16-bit address: 0x%02X%02X", con->address.addr16[0], con->address.addr16[1]);
/* if 16-bit address matches accept */
if (!memcmp(address->addr16, con->address.addr16, 2)) {
xbee_log(10," Success!");
goto got1;
}
}
/* nothing caused an 'accept', so try the next connection */
continue; /* ############################################ */
/* ###################################################### */
got1:
/* if both connections have endpoints disabled, match! */
if (!address->endpoints_enabled && !con->address.endpoints_enabled) goto got2;
/* if both local endpoints match, match! */
if (address->local_endpoint == con->address.local_endpoint) goto got2;
/* nothing caused an 'accept', so try the next connection */
continue; /* ############################################ */
/* ###################################################### */
got2:
/* if the connection is not sleeping, then we have our target!, otherwise continue the search */
if (!con->sleeping) break;
/* hold on to the last sleeping connection, just incase */
scon = con;
} while ((con = ll_get_next(&conType->conList, con)) != NULL);
/* if we couldn't find a connection, return a sleeping connection (if any) */
if (!con) return scon;
return con;
}
