void put_data(ipfix_exporter *exporter) {
uint8_t data[256];
uint8_t i = 0;
unsigned int j;
int s;
for (j=0;j<sizeof(data);j++) {
data[j] = j;
}
ipfix_start_data_set(exporter, htons(TEMPLATE_ID));
while ((s = ipfix_get_remaining_space(exporter))){
if (i == 0) {
ipfix_end_data_set(exporter, 1);
if (s>IPFIX_OVERHEAD_PER_SET) {
printf("Starting new data set. Remaining space: %d\n",s);
ipfix_start_data_set(exporter, htons(TEMPLATE_ID));
} else {
printf("Can't start new data set. Remaining Space: %d\n",s);
break;
}
}
if (ipfix_put_data_field(exporter,&data[i], sizeof(*data))) break;
i++;
}
ipfix_end_data_set(exporter, 1);
ipfix_send(exporter);
}
int main(int argc, char **argv)
{
int ret =0;
char *collector_ip;
int collector_port;
if (argc != 3) {
fprintf(stderr, "Usage: %s <server_ip_address> <server_port>\nWill use UDP.\n", argv[0]);
exit(1);
}
collector_ip=argv[1];
collector_port=atoi(argv[2]);
/*
Initialize an exporter
sourceID: the source ID the exported stream gets
exporter: an ipfix_exporter * to be initialized
*/
ipfix_exporter *my_exporter;
ret=ipfix_init_exporter(MY_SOURCE_ID, &my_exporter);
if (ret != 0) {
fprintf(stderr, "ipfix_init_exporter failed!\n");
exit(-1);
}
/*
Add a collector (the one who gets the data) to the exporting process
exporter: a previous init()ed exporter
coll_ip4_addr : the collector's ipv4 address (in dot notation, e.g. "123.123.123.123")
coll_port: port number of the collector
proto: transport protocol to use, TCP/UDP/SCTP
You can add up to IPFIX_MAX_COLLECTORS collectors.
*/
ret = ipfix_add_collector(my_exporter, collector_ip, collector_port, UDP);
printf("ipfix_add_collector returned %i\n", ret);
/*
You have to define a template set with the ID 12345 before the exporting process starts
The template shall contain the following fields:
# | IPFIX name of field | IPFIX field ID | length of associated datatype
-------------------------------------------------------------------------------
1 | sourceAddressV4 | 8 | 4
2 | destinationAddressV4 | 12 | 4
3 | transportSourcePort | 7 | 2
4 | transportDestinationPort | 11 | 2
5 | deltaOctetCount | 1 | 8
6 | deltaPacketCount | 2 | 8
FIXME - ???
As none of these fields is vendor specific, the length of the template fields is 6*4 bytes.
FIXME
*/
uint16_t my_template_id = 12345;
uint16_t my_n_template_id = htons(my_template_id);
/*
Now start the adding of fields.
exporter: the exporter
template_id: an ID for this template
field_count: # of entries/fields
*/
ret=ipfix_start_template_set(my_exporter, my_template_id, 6);
/*
Add fields to the exporter.
exporter: the exporter
template_id: the template ID chosen beforehand
type: the IPFIX field ID for this entry
length: sizeof() datatype
enterprise: FIXME ???
*/
ret=ipfix_put_template_field(my_exporter, my_template_id, 8, 4, 0);
ret=ipfix_put_template_field(my_exporter, my_template_id, 12, 4, 0);
ret=ipfix_put_template_field(my_exporter, my_template_id, 7, 2, 0);
ret=ipfix_put_template_field(my_exporter, my_template_id, 11, 2, 0);
ret=ipfix_put_template_field(my_exporter, my_template_id, 1, 8, 0);
ret=ipfix_put_template_field(my_exporter, my_template_id, 2, 8, 0);
/* Finalize the template */
ret=ipfix_end_template_set(my_exporter, my_template_id);
/*
Main exporting loop
What you basically do is
1) get data
2) start a data set
3) add the fields
4) send data set
*/
/* let's specify the number of data packets */
int exporting = 2;
while(exporting) {
int i;
meter_data my_meter_data;
meter_data my_meter_data2;
/* you may loop and add one or more data-sets */
for (i = 0; i < 2; i++) {
/* start a data-set */
ret=ipfix_start_data_set(my_exporter, &my_n_template_id);
if (ret != 0 ) {
// do not try use ipfix_put_data_field or ipfix_put_end_field,
// if ret=ipfix_start_data_set has failed!
fprintf(stderr, "ipfix_start_data_set failed!\n");
} else {
printf("main: (*(*my_exporter).data_sendbuffer).current %i\n",
(*(*my_exporter).data_sendbuffer).current);
/* get data - must be in Network Byte Order for interoperability */
meter_process_gimme_data(&my_meter_data);
/*
now fill the pre-defined data fields
NOTE: supplied data is NOT copied and has to
stay valid until the ipfix_send() below!
NOTE: It's the user's responsability to ensure that
the added data is conform to the indicated template.
*/
ipfix_put_data_field(my_exporter, &(my_meter_data.ip_src_addr), 4);
printf("main: (*(*my_exporter).data_sendbuffer).current %i\n", my_exporter->data_sendbuffer->current);
ipfix_put_data_field(my_exporter, &(my_meter_data.ip_dst_addr), 4);
printf("main: (*(*my_exporter).data_sendbuffer).current %i\n", my_exporter->data_sendbuffer->current);
ipfix_put_data_field(my_exporter, &(my_meter_data.src_port), 2);
printf("main: (*(*my_exporter).data_sendbuffer).current %i\n", my_exporter->data_sendbuffer->current);
ipfix_put_data_field(my_exporter, &(my_meter_data.dst_port), 2);
printf("main: (*(*my_exporter).data_sendbuffer).current %i\n", my_exporter->data_sendbuffer->current);
ipfix_put_data_field(my_exporter, &(my_meter_data.byte_count), 8);
printf("main: (*(*my_exporter).data_sendbuffer).current %i\n", my_exporter->data_sendbuffer->current);
ipfix_put_data_field(my_exporter, &(my_meter_data.packet_count), 8);
printf("main: (*(*my_exporter).data_sendbuffer).current %i\n", my_exporter->data_sendbuffer->current);
/* more than one record can be added to a data set, so let's add another one */
/* NOTE: we need another my_meter_data2 here, because the data of my_meter_data
has to remain valid till ipfix_send() is called */
meter_process_gimme_data2(&my_meter_data2);
ipfix_put_data_field(my_exporter, &(my_meter_data2.ip_src_addr), 4);
printf("main: (*(*my_exporter).data_sendbuffer).current %i\n", my_exporter->data_sendbuffer->current);
ipfix_put_data_field(my_exporter, &(my_meter_data2.ip_dst_addr), 4);
printf("main: (*(*my_exporter).data_sendbuffer).current %i\n", my_exporter->data_sendbuffer->current);
ipfix_put_data_field(my_exporter, &(my_meter_data2.src_port), 2);
printf("main: (*(*my_exporter).data_sendbuffer).current %i\n", my_exporter->data_sendbuffer->current);
ipfix_put_data_field(my_exporter, &(my_meter_data2.dst_port), 2);
printf("main: (*(*my_exporter).data_sendbuffer).current %i\n", my_exporter->data_sendbuffer->current);
ipfix_put_data_field(my_exporter, &(my_meter_data2.byte_count), 8);
printf("main: (*(*my_exporter).data_sendbuffer).current %i\n", my_exporter->data_sendbuffer->current);
ipfix_put_data_field(my_exporter, &(my_meter_data2.packet_count), 8);
printf("main: (*(*my_exporter).data_sendbuffer).current %i\n", my_exporter->data_sendbuffer->current);
/* finish the data-set
remark: the main task of ipfix_end_data_set is to calculate the length of the data set */
ret=ipfix_end_data_set(my_exporter);
// printf("main: (*(*my_exporter).data_sendbuffer).current %i\n", my_exporter->data_sendbuffer->current);
if (ret != 0)
fprintf(stderr, "ipfix_end_data_set failed!\n");
}
}
/*
send the data-set(s)
template sending is handled entirely by the library, too.
NOTE: ALL DATA added via ipfix_put_data_field has to
stay valid until ipfix_send() returns.
*/
ret=ipfix_send(my_exporter);
if (ret != 0)
fprintf(stderr, "ipfix_send failed!\n");
exporting--;
}
/* if you no longer need the exporter: free resources */
ret=ipfix_remove_collector(my_exporter, collector_ip, collector_port);
ipfix_deinit_exporter(my_exporter);
printf("bravo\n");
exit(0);
}