mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-11-03 14:34:27 -05:00
406 lines
12 KiB
Diff
406 lines
12 KiB
Diff
--- a/lib/ipfix.c
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+++ b/lib/ipfix.c
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@@ -37,6 +37,9 @@ $$LIC$$
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#ifdef SCTPSUPPORT
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#include <netinet/sctp.h>
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#endif
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+#ifndef NOTHREADS
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+#include <pthread.h>
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+#endif
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#include <fcntl.h>
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#include <netdb.h>
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@@ -123,6 +126,18 @@ static uint16_t g_lasttid;
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static ipfix_datarecord_t g_data = { NULL, NULL, 0 }; /* ipfix_export */
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static ipfix_field_t *g_ipfix_fields;
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+#ifndef NOTHREADS
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+static pthread_mutex_t g_mutex;
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+#define mod_lock() { \
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+ if ( pthread_mutex_lock( &g_mutex ) !=0 ) \
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+ mlogf( 0, "[ipfix] mutex_lock() failed: %s\n", \
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+ strerror( errno ) ); \
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+ }
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+#define mod_unlock() { pthread_mutex_unlock( &g_mutex ); }
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+#else
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+#define mod_lock()
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+#define mod_unlock()
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+#endif
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/*----- prototypes -------------------------------------------------------*/
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@@ -133,6 +148,7 @@ int _ipfix_send_message( ipfix_t *ifh,
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ipfix_message_t *message );
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int _ipfix_write_msghdr( ipfix_t *ifh, ipfix_message_t *msg, iobuf_t *buf );
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void _ipfix_disconnect( ipfix_collector_t *col );
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+int _ipfix_export_flush( ipfix_t *ifh );
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/* name : do_writeselect
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@@ -576,16 +592,18 @@ int ipfix_decode_float( void *in, void *
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int ipfix_snprint_float( char *str, size_t size, void *data, size_t len )
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{
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- float tmp32;
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- double tmp64;
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+ uint32_t tmp32;
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+ uint64_t tmp64;
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switch ( len ) {
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case 4:
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- ipfix_decode_float( data, &tmp32, 4);
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- return snprintf( str, size, "%f", tmp32 );
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+ memcpy( &tmp32, data, len );
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+ tmp32 = htonl( tmp32 );
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+ return snprintf( str, size, "%f", (float)tmp32 );
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case 8:
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- ipfix_decode_float( data, &tmp64, 8);
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- return snprintf( str, size, "%lf", tmp64);
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+ memcpy( &tmp64, data, len );
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+ tmp64 = HTONLL( tmp64 );
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+ return snprintf( str, size, "%lf", (double)tmp64 );
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default:
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break;
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}
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@@ -682,12 +700,19 @@ int ipfix_get_eno_ieid( char *field, int
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* parameters:
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* remarks: init module, read field type info.
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*/
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-int ipfix_init ( void )
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+int ipfix_init( void )
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{
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if ( g_tstart ) {
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ipfix_cleanup();
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}
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+#ifndef NOTHREADS
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+ if ( pthread_mutex_init( &g_mutex, NULL ) !=0 ) {
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+ mlogf( 0, "[ipfix] pthread_mutex_init() failed: %s\n",
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+ strerror(errno) );
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+ return -1;
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+ }
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+#endif
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g_tstart = time(NULL);
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signal( SIGPIPE, SIG_IGN );
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g_lasttid = 255;
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@@ -806,6 +831,9 @@ void ipfix_cleanup ( void )
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g_data.maxfields = 0;
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g_data.lens = NULL;
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g_data.addrs = NULL;
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+#ifndef NOTHREADS
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+ (void)pthread_mutex_destroy( &g_mutex );
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+#endif
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}
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int _ipfix_connect ( ipfix_collector_t *col )
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@@ -1465,7 +1493,7 @@ int _ipfix_write_template( ipfix_t
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default:
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/* check space */
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if ( tsize+ifh->offset > IPFIX_DEFAULT_BUFLEN ) {
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- if ( ipfix_export_flush( ifh ) < 0 )
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+ if ( _ipfix_export_flush( ifh ) < 0 )
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return -1;
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if ( tsize+ifh->offset > IPFIX_DEFAULT_BUFLEN )
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return -1;
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@@ -1474,6 +1502,8 @@ int _ipfix_write_template( ipfix_t
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/* write template prior to data */
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if ( ifh->offset > 0 ) {
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memmove( ifh->buffer + tsize, ifh->buffer, ifh->offset );
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+ if ( ifh->cs_tid )
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+ ifh->cs_header += tsize;
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}
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buf = ifh->buffer;
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@@ -1615,8 +1645,11 @@ int ipfix_open( ipfix_t **ipfixh, int so
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return -1;
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}
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node->ifh = i;
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+
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+ mod_lock();
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node->next = g_ipfixlist;
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g_ipfixlist = node;
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+ mod_unlock();
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*ipfixh = i;
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return 0;
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@@ -1633,7 +1666,8 @@ void ipfix_close( ipfix_t *h )
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{
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ipfix_node_t *l, *n;
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- ipfix_export_flush( h );
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+ mod_lock();
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+ _ipfix_export_flush( h );
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while( h->collectors )
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_ipfix_drop_collector( (ipfix_collector_t**)&h->collectors );
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@@ -1659,6 +1693,7 @@ void ipfix_close( ipfix_t *h )
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#endif
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free(h->buffer);
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free(h);
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+ mod_unlock();
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}
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}
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@@ -2156,6 +2191,22 @@ void ipfix_release_template( ipfix_t *if
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ipfix_delete_template( ifh, templ );
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}
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+static void _finish_cs( ipfix_t *ifh )
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+{
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+ size_t buflen;
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+ uint8_t *buf;
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+
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+ /* finish current dataset */
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+ if ( (buf=ifh->cs_header) ==NULL )
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+ return;
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+ buflen = 0;
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+ INSERTU16( buf+buflen, buflen, ifh->cs_tid );
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+ INSERTU16( buf+buflen, buflen, ifh->cs_bytes );
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+ ifh->cs_bytes = 0;
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+ ifh->cs_header = NULL;
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+ ifh->cs_tid = 0;
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+}
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+
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int ipfix_export( ipfix_t *ifh, ipfix_template_t *templ, ... )
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{
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int i;
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@@ -2199,13 +2250,14 @@ int ipfix_export( ipfix_t *ifh, ipfix_te
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g_data.addrs, g_data.lens );
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}
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-int ipfix_export_array( ipfix_t *ifh,
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- ipfix_template_t *templ,
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- int nfields,
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- void **fields,
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- uint16_t *lengths )
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+static int
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+_ipfix_export_array( ipfix_t *ifh,
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+ ipfix_template_t *templ,
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+ int nfields,
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+ void **fields,
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+ uint16_t *lengths )
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{
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- int i;
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+ int i, newset_f=0;
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size_t buflen, datasetlen;
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uint8_t *p, *buf;
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@@ -2249,7 +2301,19 @@ int ipfix_export_array( ipfix_t
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/** get size of data set, check space
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*/
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- for ( i=0, datasetlen=4; i<nfields; i++ ) {
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+ if ( templ->tid == ifh->cs_tid ) {
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+ newset_f = 0;
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+ datasetlen = 0;
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+ }
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+ else {
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+ if ( ifh->cs_tid > 0 ) {
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+ _finish_cs( ifh );
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+ }
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+ newset_f = 1;
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+ datasetlen = 4;
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+ }
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+
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+ for ( i=0; i<nfields; i++ ) {
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if ( templ->fields[i].flength == IPFIX_FT_VARLEN ) {
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if ( lengths[i]>254 )
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datasetlen += 3;
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@@ -2263,21 +2327,29 @@ int ipfix_export_array( ipfix_t
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}
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datasetlen += lengths[i];
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}
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- if ( ((ifh->offset + datasetlen) > IPFIX_DEFAULT_BUFLEN )
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- && (ipfix_export_flush( ifh ) <0) ) {
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- return -1;
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+
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+ if ( (ifh->offset + datasetlen) > IPFIX_DEFAULT_BUFLEN ) {
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+ if ( ifh->cs_tid )
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+ _finish_cs( ifh );
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+ newset_f = 1;
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+
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+ if ( _ipfix_export_flush( ifh ) <0 )
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+ return -1;
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}
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- /* fill buffer
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- */
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+ /* fill buffer */
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buf = (uint8_t*)(ifh->buffer) + ifh->offset;
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buflen = 0;
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- /* insert data set
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- */
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- ifh->nrecords ++;
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- INSERTU16( buf+buflen, buflen, templ->tid );
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- INSERTU16( buf+buflen, buflen, datasetlen );
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+ if ( newset_f ) {
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+ /* insert data set
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+ */
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+ ifh->cs_bytes = 0;
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+ ifh->cs_header = buf;
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+ ifh->cs_tid = templ->tid;
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+ INSERTU16( buf+buflen, buflen, templ->tid );
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+ INSERTU16( buf+buflen, buflen, 4 );
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+ }
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/* insert data record
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*/
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@@ -2303,7 +2375,9 @@ int ipfix_export_array( ipfix_t
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buflen += lengths[i];
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}
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+ ifh->nrecords ++;
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ifh->offset += buflen;
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+ ifh->cs_bytes += buflen;
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if ( ifh->version == IPFIX_VERSION )
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ifh->seqno ++;
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return 0;
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@@ -2313,7 +2387,7 @@ int ipfix_export_array( ipfix_t
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* parameters:
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* remarks: rewrite this func!
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*/
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-int ipfix_export_flush( ipfix_t *ifh )
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+int _ipfix_export_flush( ipfix_t *ifh )
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{
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iobuf_t *buf;
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ipfix_collector_t *col;
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@@ -2322,8 +2396,14 @@ int ipfix_export_flush( ipfix_t *ifh )
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if ( (ifh==NULL) || (ifh->offset==0) )
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return 0;
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- if ( (buf=_ipfix_getbuf()) ==NULL )
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+ if ( ifh->cs_tid > 0 ) {
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+ /* finish current dataset */
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+ _finish_cs( ifh );
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+ }
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+
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+ if ( (buf=_ipfix_getbuf()) ==NULL ) {
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return -1;
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+ }
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#ifdef DEBUG
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mlogf( 0, "[ipfix_export_flush] msg has %d records, %d bytes\n",
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@@ -2350,3 +2430,30 @@ int ipfix_export_flush( ipfix_t *ifh )
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_ipfix_freebuf( buf );
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return ret;
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}
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+
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+int ipfix_export_array( ipfix_t *ifh,
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+ ipfix_template_t *templ,
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+ int nfields,
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+ void **fields,
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+ uint16_t *lengths )
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+{
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+ int ret;
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+
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+ mod_lock();
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+ ret = _ipfix_export_array( ifh, templ, nfields, fields, lengths );
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+ mod_unlock();
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+
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+ return ret;
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+}
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+
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+int ipfix_export_flush( ipfix_t *ifh )
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+{
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+ int ret;
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+
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+ mod_lock();
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+ ret = _ipfix_export_flush( ifh );
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+ mod_unlock();
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+
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+ return ret;
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+}
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+
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--- a/lib/ipfix.h
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+++ b/lib/ipfix.h
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@@ -142,6 +142,12 @@ typedef struct
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int nrecords; /* no. of records in buffer */
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size_t offset; /* output buffer fill level */
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uint32_t seqno; /* sequence no. of next message */
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+
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+ /* experimental */
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+ int cs_tid; /* template id of current dataset */
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+ int cs_bytes; /* size of current set */
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+ uint8_t *cs_header; /* start of current set */
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+
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} ipfix_t;
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/** exporter funcs
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--- a/lib/ipfix_col.c
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+++ b/lib/ipfix_col.c
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@@ -907,7 +907,7 @@ int ipfix_decode_datarecord( ipfixt_node
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return 0;
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}
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-static void do_free_datarecord( ipfix_datarecord_t *data )
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+void ipfix_free_datarecord( ipfix_datarecord_t *data )
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{
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if ( data ) {
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if ( data->addrs )
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@@ -925,6 +925,7 @@ int ipfix_parse_msg( ipfix_input_t *inpu
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ipfix_hdr_t hdr; /* ipfix packet header */
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ipfixs_node_t *s;
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ipfix_datarecord_t data = { NULL, NULL, 0 };
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+ ipfixe_node_t *e;
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uint8_t *buf; /* ipfix payload */
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uint16_t setid, setlen; /* set id, set lenght */
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int i, nread, offset; /* counter */
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@@ -1042,6 +1043,12 @@ int ipfix_parse_msg( ipfix_input_t *inpu
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err_flag = 1;
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}
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else {
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+ for ( e=g_exporter; e!=NULL; e=e->next ) {
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+ if ( e->elem->export_dset )
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+ (void) e->elem->export_dset( t, buf+nread, setlen,
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+ e->elem->data );
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+ }
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+
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/** read data records
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*/
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for ( offset=nread, bytesleft=setlen; bytesleft>4; ) {
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@@ -1076,11 +1083,11 @@ int ipfix_parse_msg( ipfix_input_t *inpu
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goto errend;
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end:
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- do_free_datarecord( &data );
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+ ipfix_free_datarecord( &data );
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return nread;
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errend:
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- do_free_datarecord( &data );
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+ ipfix_free_datarecord( &data );
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return -1;
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}
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@@ -1093,7 +1100,7 @@ void process_client_tcp( int fd, int mas
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tcp_conn_t *tcon = (tcp_conn_t*)data;
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char *func = "process_client_tcp";
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- mlogf( 3, "[%s] fd %d mask %d called.\n", func, fd, mask );
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+ mlogf( 4, "[%s] fd %d mask %d called.\n", func, fd, mask );
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/** read ipfix header
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*/
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--- a/lib/ipfix_col.h
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+++ b/lib/ipfix_col.h
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@@ -88,6 +88,7 @@ typedef struct ipfix_col_info
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int (*export_newsource)(ipfixs_node_t*,void*);
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int (*export_newmsg)(ipfixs_node_t*,ipfix_hdr_t*,void*);
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int (*export_trecord)(ipfixs_node_t*,ipfixt_node_t*,void*);
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+ int (*export_dset)(ipfixt_node_t*,uint8_t*,size_t,void*);
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int (*export_drecord)(ipfixs_node_t*,ipfixt_node_t*,
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ipfix_datarecord_t*,void*);
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void (*export_cleanup)(void*);
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--- a/lib/ipfix_col_files.c
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+++ b/lib/ipfix_col_files.c
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@@ -68,7 +68,7 @@ static int export_newsource_file( ipfixs
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return -1;
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}
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snprintf( s->fname+strlen(s->fname), PATH_MAX-strlen(s->fname),
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- "/%u", s->odid );
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+ "/%u", (unsigned int)s->odid );
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if ( (access( s->fname, R_OK ) <0 )
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&& (mkdir( s->fname, S_IRWXU ) <0) ) {
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mlogf( 0, "[%s] cannot access dir '%s': %s\n",
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