static void handle_udp_updates(struct datagram *update_port)
{
char data[DATAGRAM_PAYLOAD_MAX];
char addr[DATAGRAM_ADDRESS_MAX];
int port;
while(1) {
int result = datagram_recv(update_port, data, DATAGRAM_PAYLOAD_MAX, addr, &port, 0);
if(result <= 0)
return;
data[result] = 0;
handle_update(addr,port,data,result,"udp");
}
}
static void handle_updates(struct datagram *update_port)
{
char data[DATAGRAM_PAYLOAD_MAX * 2];
char addr[DATAGRAM_ADDRESS_MAX];
char key[LINE_MAX];
int port;
int result;
struct nvpair *nv;
while(1) {
result = datagram_recv(update_port, data, DATAGRAM_PAYLOAD_MAX, addr, &port, 0);
if(result <= 0)
return;
data[result] = 0;
nv = nvpair_create();
nvpair_parse(nv, data);
nvpair_insert_string(nv, "address", addr);
nvpair_insert_integer(nv, "lastheardfrom", time(0));
/* If the server reports unbelievable numbers, simply reset them */
if(max_server_size > 0) {
INT64_T total = nvpair_lookup_integer(nv, "total");
INT64_T avail = nvpair_lookup_integer(nv, "avail");
if(total > max_server_size || avail > max_server_size) {
nvpair_insert_integer(nv, "total", max_server_size);
nvpair_insert_integer(nv, "avail", max_server_size);
}
}
/* Do not believe the server's reported name, just resolve it backwards. */
char name[DOMAIN_NAME_MAX];
if(domain_name_cache_lookup_reverse(addr, name)) {
nvpair_insert_string(nv, "name", name);
} else if (nvpair_lookup_string(nv, "name") == NULL) {
/* If rDNS is unsuccessful, then we use the name reported if given.
* This allows for hostnames that are only valid in the subnet of
* the reporting server. Here we set the "name" field to the IP
* Address, addr, because it was not set by the reporting server.
*/
nvpair_insert_string(nv, "name", addr);
}
make_hash_key(nv, key);
if(logfile) {
if(!nvpair_database_lookup(table,key)) {
nvpair_print_text(nv,logfile);
fflush(logfile);
}
}
nvpair_database_insert(table, key, nv);
debug(D_DEBUG, "received udp update from %s", key);
}
}
