/* IMPORTANT CALLS */
int
get_dsteth(ipaddr_t dstaddr,ethaddr_t ethaddr,int *ifnum) {
/* first search interfaces */
ipaddr_t gateway;
switch(find_if(dstaddr,ifnum)) {
case IFRET_LOOPBACK:
//printf("Directly on interface (loopback)\n");
bzero(ethaddr,6);
return 0;
case IFRET_RESOLVE:
//printf("Directly on interface\n");
return arp_resolve_ip(dstaddr,ethaddr,*ifnum);
case IFRET_BROADCAST:
//printf("Broadcast\n");
memset(ethaddr,0xff,6);
return 0;
case IFRET_NOTFOUND:
/* fall through */
}
if (find_route(dstaddr,gateway) == 0) {
//printf("Via gateway: %s\n",pripaddr(gateway));
switch(find_if(gateway,ifnum)) {
case IFRET_LOOPBACK:
bzero(ethaddr,6);
return 0;
case IFRET_RESOLVE:
//printf("Directly on interface\n");
return arp_resolve_ip(gateway,ethaddr,*ifnum);
case IFRET_BROADCAST:
//printf("Broadcast\n");
memset(ethaddr,0xff,6);
return 0;
case IFRET_NOTFOUND:
/* fall through */
}
}
printf("get_dsteth: could not find route to destination: %s\n",pripaddr(dstaddr));
return -1;
}
#define ASSERTIFNUM(ifnum) \
EnterCritical(); \
assert(ifnum < GETNUMIFENTRIES && ifnum >= 0); \
ExitCritical();
void
get_ifnum_ethernet(int ifnum, ethaddr_t ethaddr) {
if_entry_p ife;
ASSERTIFNUM(ifnum);
EnterCritical();
ife = GETIFP(ifnum);
bcopy(ife->ethaddr,ethaddr, 6);
ExitCritical();
}
int main(int argc, char** argv) {
syssig_init(log_init_cast_user("test_arp", LOG_PID|LOG_CONS|LOG_PERROR), NULL);
struct arp_entry_s entry;
if(!arp_find_from_table("192.168.43.1", &entry)) {
printf("ARP table\nIP: %s\nMAC: %s\nFlags:", entry.ip, entry.mac);
if(arp_entry_is_inuse(&entry)) printf(" INUSE");
if(arp_entry_is_permanent(&entry)) printf(" PERM");
if(arp_entry_is_published(&entry)) printf(" PUBLISHED");
if(arp_entry_is_trailers(&entry)) printf(" TRAILERS");
if(arp_entry_is_proxy(&entry)) printf(" PROXY");
printf("\n");
}
/* arp_add_in_table("wlan0", "192.168.1.18", "74:e5:43:5a:ea:ff"); */
struct netiface_info_s info;
netiface_get_info_by_name("wlan0", &info);
netiface_mac_t mac;
int ret = arp_resolve_ip(DEF_ARP_DBG, info, "192.168.43.1", &mac);
//int ret = arp_resolve_ip(DEF_ARP_DBG, info, "192.168.43.1", &mac);
printf("Ret: %d, mac: '%s'\n", ret, mac);
log_close();
return 0;
}
