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openwrt-xburst/package/libipfix/patches/100-openimp_sync.patch
nbd cb62f7dffd add libipfix 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15049 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-03-26 20:56:36 +00:00

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