int main (int argc, char *argv[])
{
char opt; /* short options: character */
char optstr[] = "hp:c:P:r:stuvlf:";
int port; /* port number */
int cport = 4740; /* target collector port number */
int protocol = IPFIX_PROTO_TCP;
int do_log = 0; /* flag to stre whether logging to stdout was enabled */
/** set default options
*/
port = 4739;
datadir = NULL;
snprintf( progname, sizeof(progname), "%s", basename( argv[0]) );
/* --- command line parsing ---
*/
int cisset = 0;
while( ( opt = getopt( argc, argv, optstr ) ) != EOF ) {
switch ( opt )
{
case 'o':
if ((sourceid=atoi(optarg)) <0) {
fprintf( stderr, "Invalid -o argument!\n" );
exit(1);
}
break;
case 'p':
if ((port=atoi(optarg)) <0) {
fprintf( stderr, "Invalid -p argument!\n" );
exit(1);
}
break;
case 'v':
verbose_level ++;
break;
case 'l':
do_log = 1;
break;
case 'P':
if ((cport=atoi(optarg)) <0) {
fprintf( stderr, "Invalid -P argument!\n" );
exit(1);
}
break;
case 'r':
if ((degrade=atoi(optarg)) <0) {
fprintf( stderr, "Invalid -r argument!\n" );
exit(1);
}
break;
case 'c':
if (chost)
free(chost); /* executed in case of multiple "-c <collectorhost>" */
chost = strdup(optarg);
cisset = 1;
break;
case 'f':
if (datadir)
free(datadir); /* executed in case of multiple "-f <datadir>" */
datadir = strdup(optarg);
break;
case 's':
protocol = IPFIX_PROTO_SCTP;
break;
case 't':
protocol = IPFIX_PROTO_TCP;
break;
case 'u':
protocol = IPFIX_PROTO_UDP;
break;
case 'h':
default:
usage(progname);
exit(1);
}
}
if (!chost && !datadir && !do_log) {
fprintf( stderr, "You must specify either an IPFIX target collector host or a datadir or enable log to stdout. Type option '-h' for help.\n");
exit(1);
}
/** init hashtable structures */
hi_init_uint32_t(&indegree, 1000);
hi_init_uint32_t(&outdegree, 1000);
hi_init_uint32_t(&flows, 1000);
hi_init_str (&templates, 100);
/** init logging
*/
mlog_set_vlevel( verbose_level );
/** init ipfix lib
*/
if ( ipfix_init() <0 ) {
fprintf( stderr, "ipfix_init() failed: %s\n", strerror(errno) );
exit(1);
}
if ( ipfix_add_vendor_information_elements( ipfix_ft_fokus ) <0 ) {
fprintf( stderr, "ipfix_add_ie() failed: %s\n", strerror(errno) );
exit(1);
}
/** init ipfix import/export
*/
if ( ipfix_open( &ipfixh, sourceid, IPFIX_VERSION ) <0 ) {
fprintf( stderr, "ipfix_open() failed: %s\n", strerror(errno) );
exit(1);
}
/** signal handler
*/
signal( SIGKILL, exit_func );
signal( SIGTERM, exit_func );
signal( SIGINT, exit_func );
/** initialize callback methods
*/
/** activate stdout log output
* if "-l" was specified on cmd line
*/
if (do_log) {
(void) ipfix_col_start_msglog( stdout );
}
/** activate file export
* if "-f <datadir>" was specified on cmd line
*/
if (datadir) {
(void) ipfix_col_init_fileexport( datadir );
}
if (chost) {
if ( ipfix_add_collector( ipfixh, chost, cport, protocol ) <0 ) {
fprintf( stderr, "ipfix_add_collector(%s,%d) failed: %s\n",
chost, cport, strerror(errno));
exit(1);
}
/** activate callback for re-export
*/
if ( (g_colinfo=calloc( 1, sizeof(ipfix_col_info_t))) ==NULL) {
fprintf( stderr, "a calloc failed while initializing callback methods.\n" );
return -1;
}
g_colinfo->export_newsource = export_newsource_cb;
g_colinfo->export_newmsg = export_newmsg_cb;
g_colinfo->export_trecord = export_trecord_cb;
g_colinfo->export_drecord = export_drecord_cb;
g_colinfo->export_cleanup = export_cleanup_cb;
g_colinfo->data = NULL;
if ( ipfix_col_register_export( g_colinfo ) <0 ) {
fprintf( stderr, "ipfix_col_register_export() failed: %s\n", strerror(errno) );
exit(1);
}
}
/** open ipfix collector port(s)
*/
if ( ipfix_col_listen( &ntcp_s, &tcp_s, IPFIX_PROTO_TCP,
port, AF_INET, 10 ) <0 ) {
fprintf( stderr, "[%s] ipfix_listen(tcp) failed.\n",
progname );
return -1;
}
/** event loop
*/
(void) mpoll_loop( -1 );
exit(1);
}
/* name : export_init
*/
static int export_init( probe_t *probe )
{
ipfix_t *ifh =NULL;
ipfix_template_t *t4, *t6;
char *p, *host;
int port;
if ( (ipfix_init() <0)
|| (ipfix_add_vendor_information_elements( ipfix_ft_fokus ) <0 ) ) {
mlogf( 0, "[%s] cannot init ipfix module\n", __func__ );
return -1;
}
if ( ipfix_open( &ifh, g_par.odid, IPFIX_VERSION ) <0 ) {
mlogf( 0, "[%s] ipfix_open() failed: %s\n",
__func__, strerror(errno) );
ipfix_cleanup();
return -1;
}
for ( host=g_par.collector, port=g_par.port;; ) {
/* check if hostname has :portno suffix
*/
if ( ((p=strrchr( host, ':' )) !=NULL)
&& (p==strchr( host, ':' )) && ((port=atoi(p+1))>0) ) {
*p = '\0';
}
if ( !port )
port = IPFIX_PORTNO;
#ifdef SSLSUPPORT
if ( g_par.ssl ) {
ipfix_ssl_opts_t opts;
opts.cafile = g_par.cafile;
opts.cadir = g_par.cadir;
opts.keyfile = g_par.keyfile;
opts.certfile= g_par.certfile;
if ( ipfix_add_collector_ssl( ifh, host, port,
g_par.protocol, &opts ) <0 ) {
mlogf( 0, "[%s] ipfix_add_collector_ssl() failed: %s\n",
__func__, strerror(errno) );
goto err;
}
break;
}
#endif
if ( ipfix_add_collector( ifh, host, port, g_par.protocol ) <0 ) {
mlogf( 0, "[%s] ipfix_add_collector() failed: %s\n",
__func__, strerror(errno) );
goto err;
}
break;
}
if ( g_par.biflows ) {
if ( ipfix_make_template( ifh, &t4,
ipbiflow4_fields,
ipbiflow4_nfields ) <0) {
goto err;
}
if ( ipfix_make_template( ifh, &t6,
ipbiflow6_fields,
ipbiflow6_nfields ) <0) {
ipfix_delete_template( ifh, t4 );
goto err;
}
}
else {
if ( ipfix_make_template( ifh, &t4,
ipflow4_fields,
ipflow4_nfields ) <0) {
goto err;
}
if ( ipfix_make_template( ifh, &t6,
ipflow6_fields,
ipflow6_nfields ) <0) {
ipfix_delete_template( ifh, t4 );
goto err;
}
}
probe->ipfix = ifh;
probe->templ = t4;
probe->templ6 = t6;
return 0;
err:
ipfix_close( ifh );
ipfix_cleanup();
return -1;
}
