int reexport (ipfixt_node_t *t, ipfix_datarecord_t *d) {
ipfix_template_t* outtemplate;
if (hi_get_str(templates, t->ident, (void**)&outtemplate )) {
if ( ipfix_new_data_template( ipfixh, &outtemplate, t->ipfixt->nfields ) <0 ) {
fprintf( stderr, "ipfix_new_template() failed in reexport: %s\n",
strerror(errno) );
exit(1);
}
int i;
fprintf( stdout, "reexporting template %s as id %i.\n", t->ident, outtemplate->tid );
for (i=0; i < t->ipfixt->nfields; i++) {
if (ipfix_add_field( ipfixh, outtemplate,
t->ipfixt->fields[i].elem->ft->eno, t->ipfixt->fields[i].elem->ft->ftype, t->ipfixt->fields[i].flength )
<0 ) {
fprintf( stderr, "ipfix_add_field() failed in reexport: %s - eno = %i, type = %i, length = %i\n",
strerror(errno), t->ipfixt->fields[i].elem->ft->eno, t->ipfixt->fields[i].elem->ft->ftype, t->ipfixt->fields[i].flength);
exit(1);
}
//fprintf( stdout, " added field %i:%i(%i||%i,%i)\n", outtemplate->fields[i].elem->ft->eno, outtemplate->fields[i].elem->ft->ftype, outtemplate->fields[i].elem->ft->length, t->ipfixt->fields[i].flength, t->ipfixt->fields[i].elem->ft->length );
}
hi_insert_str(templates, t->ident, outtemplate);
}
if (verbose_level>1) {
int i;
char tmps[256];
fprintf( stdout, "data record, tid = %i.\n", outtemplate->tid);
for (i=0; i < outtemplate->nfields; i++) {
t->ipfixt->fields[i].elem->snprint(tmps, 255, d->addrs[i], d->lens[i]);
fprintf( stdout, "%i: %s\n", i, tmps);
}
}
ipfix_export_array(ipfixh, outtemplate, outtemplate->nfields, d->addrs, d->lens);
/* TODO FIXME do a flush only every now and then instead of each time */
ipfix_export_flush(ipfixh);
return 0;
}
/* name : export_ipflows
* remarks :
*/
static int export_ipflows( probe_t *probe, time_t now, int flag )
{
ipflow_t *flows = probe->ipflows;
ipflowinfo_t *n, *node;
int a=0, d=0, e=0;
uint64_t msec_start;
uint64_t msec_end;
if ( flows->biflows )
return export_biflows( probe, now, flag );
node = flows?flows->flows:NULL;
while( node ) {
msec_start = ((uint64_t)node->tstart.tv_sec*1000)
+((uint64_t)node->tstart.tv_usec/1000);
msec_end = ((uint64_t)node->tlast.tv_sec*1000)
+((uint64_t)node->tlast.tv_usec/1000);
a++;
/* check if the flow is idle
*/
if ( flag
|| (g_par.ipflow_timeout
&& ((now - node->tlast.tv_sec) > g_par.ipflow_timeout))
|| (g_par.ipflow_lifetime
&& ((node->tlast.tv_sec-node->tstart.tv_sec)
> g_par.ipflow_lifetime)) ) {
if ( mlog_get_vlevel() > 2 ) {
if ( g_par.ipflow_timeout
&& ((now - node->tlast.tv_sec) > g_par.ipflow_timeout) ) {
mlogf( 3, "[%s] %ds idle timeout expired! "
"id=%d, start=%ld, duration=%ld, idle=%ld\n",
g_par.progname, g_par.ipflow_timeout,
node->flowid, node->tstart.tv_sec,
node->tlast.tv_sec-node->tstart.tv_sec,
now - node->tlast.tv_sec );
}
else if ( g_par.ipflow_lifetime
&& ((node->tlast.tv_sec-node->tstart.tv_sec)
> g_par.ipflow_lifetime) ) {
mlogf( 3, "[%s] %ds flow lifetime expired! "
"id=%d, start=%ld, duration=%ld, idle=%ld\n",
g_par.progname, g_par.ipflow_lifetime,
node->flowid, node->tstart.tv_sec,
node->tlast.tv_sec-node->tstart.tv_sec,
now - node->tlast.tv_sec );
}
}
/* flow has expired
* -> export flow end
* -> delete node
*/
(void) ipfix_export( probe->ipfix,
(node->elems.version==6)?
probe->templ6:probe->templ,
&msec_start, &msec_end,
node->saddr, node->daddr,
&node->elems.sport,
&node->elems.dport,
&node->elems.protocol,
&node->elems.tos,
&node->packets, &node->bytes );
n = node->next;
(void) flow_drop( flows, node );
node = n;
e++;
d++;
continue;
}
if ( (g_par.ipflow_timeout<1) && (node->packets) ) {
/* flow is still active
* -> export counters
*/
msec_end = 0;
(void) ipfix_export( probe->ipfix,
(node->elems.version==6)?
probe->templ6:probe->templ,
&msec_start, &msec_end,
node->saddr, node->daddr,
&node->elems.sport,
&node->elems.dport,
&node->elems.protocol,
&node->elems.tos,
&node->packets, &node->bytes );
node->packets =0;
node->bytes =0;
e++;
}
node = node->next;
}
if ( ipfix_export_flush( probe->ipfix ) <0 ) {
mlogf( 3, "[%s] ipfix_export() failed: %s\n",
__func__, strerror(errno) );
} else {
mlogf( 2, "[%s] %d active flows, %d exported, %d dropped.\n",
g_par.progname, a, e, d );
}
probe->npkts = 0;
probe->nbytes = 0;
return 0;
}
