/* tap-dcerpcstat.c
* dcerpcstat 2002 Ronnie Sahlberg
*
- * $Id: tap-dcerpcstat.c,v 1.2 2002/10/25 01:02:49 guy Exp $
+ * $Id$
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
#include <string.h>
#include "epan/packet_info.h"
-#include "tap.h"
-#include "packet-dcerpc.h"
-#include "tap-dcerpcstat.h"
+#include <epan/tap.h>
+#include <epan/dissectors/packet-dcerpc.h>
+#include "register.h"
/* used to keep track of statistics for a specific procedure */
typedef struct _rpc_procedure_t {
static int
-dcerpcstat_packet(rpcstat_t *rs, packet_info *pinfo, dcerpc_info *ri)
+dcerpcstat_packet(void *prs, packet_info *pinfo, epan_dissect_t *edt _U_, const void *pri)
{
+ const dcerpc_info *ri=pri;
+ rpcstat_t *rs=prs;
nstime_t delta;
rpc_procedure_t *rp;
}
/* we are only interested in reply packets */
- if(ri->request){
+ if(ri->ptype != PDU_RESP){
return 0;
}
delta.secs--;
}
- if((rp->max.secs==0)
- && (rp->max.nsecs==0) ){
+ if(rp->num==0){
rp->max.secs=delta.secs;
rp->max.nsecs=delta.nsecs;
}
- if((rp->min.secs==0)
- && (rp->min.nsecs==0) ){
+ if(rp->num==0){
rp->min.secs=delta.secs;
rp->min.nsecs=delta.nsecs;
}
rp->tot.nsecs-=1000000000;
rp->tot.secs++;
}
+
rp->num++;
return 1;
}
static void
-dcerpcstat_draw(rpcstat_t *rs)
+dcerpcstat_draw(void *prs)
{
+ rpcstat_t *rs=prs;
guint32 i;
#ifdef G_HAVE_UINT64
guint64 td;
#endif
printf("\n");
printf("===================================================================\n");
- printf("%s Version %d.%d RTT Statistics:\n", rs->prog, rs->ver&0xff,rs->ver>>8);
+ printf("%s Major Version %u RTT Statistics:\n", rs->prog, rs->ver);
printf("Filter: %s\n",rs->filter?rs->filter:"");
printf("Procedure Calls Min RTT Max RTT Avg RTT\n");
for(i=0;i<rs->num_procedures;i++){
-void
-dcerpcstat_init(e_uuid_t *uuid, int major, int minor, char *filter)
+static void
+dcerpcstat_init(char *optarg)
{
rpcstat_t *rs;
guint32 i, max_procs;
dcerpc_sub_dissector *procs;
+ e_uuid_t uuid;
+ guint d1,d2,d3,d40,d41,d42,d43,d44,d45,d46,d47;
+ int major, minor;
+ guint16 ver;
+ int pos=0;
+ char *filter=NULL;
+ GString *error_string;
+
+ /*
+ * XXX - DCE RPC statistics are maintained only by major version,
+ * not by major and minor version, so the minor version number is
+ * ignored.
+ *
+ * Should we just stop supporting minor version numbers here?
+ * Or should we allow it to be omitted? Or should we keep
+ * separate statistics for different minor version numbers,
+ * and allow the minor version number to be omitted, and
+ * report aggregate statistics for all minor version numbers
+ * if it's omitted?
+ *
+ * XXX - should this be called "srt" rather than "rtt"? The
+ * equivalent tap for Ethereal calls it "srt", for "Service
+ * Response Time", rather than "rtt" for "Round-Trip Time".
+ */
+ if(sscanf(optarg,"dcerpc,rtt,%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x,%d.%d%n", &d1,&d2,&d3,&d40,&d41,&d42,&d43,&d44,&d45,&d46,&d47,&major,&minor,&pos)==13){
+ uuid.Data1=d1;
+ uuid.Data2=d2;
+ uuid.Data3=d3;
+ uuid.Data4[0]=d40;
+ uuid.Data4[1]=d41;
+ uuid.Data4[2]=d42;
+ uuid.Data4[3]=d43;
+ uuid.Data4[4]=d44;
+ uuid.Data4[5]=d45;
+ uuid.Data4[6]=d46;
+ uuid.Data4[7]=d47;
+ if(pos){
+ filter=optarg+pos;
+ } else {
+ filter=NULL;
+ }
+ } else {
+ fprintf(stderr, "tethereal: invalid \"-z dcerpc,rtt,<uuid>,<major version>.<minor version>[,<filter>]\" argument\n");
+ exit(1);
+ }
+ if (major < 0 || major > 65535) {
+ fprintf(stderr,"tethereal: dcerpcstat_init() Major version number %d is invalid - must be positive and <= 65535\n", major);
+ exit(1);
+ }
+ if (minor < 0 || minor > 65535) {
+ fprintf(stderr,"tethereal: dcerpcstat_init() Minor version number %d is invalid - must be positive and <= 65535\n", minor);
+ exit(1);
+ }
+ ver = major;
rs=g_malloc(sizeof(rpcstat_t));
- rs->prog=dcerpc_get_proto_name(uuid, (minor<<8)|(major&0xff) );
+ rs->prog=dcerpc_get_proto_name(&uuid, ver);
if(!rs->prog){
g_free(rs);
- fprintf(stderr,"tethereal: dcerpcstat_init() Protocol with uuid:%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x v%d.%d not supported\n",uuid->Data1,uuid->Data2,uuid->Data3,uuid->Data4[0],uuid->Data4[1],uuid->Data4[2],uuid->Data4[3],uuid->Data4[4],uuid->Data4[5],uuid->Data4[6],uuid->Data4[7],major,minor);
+ fprintf(stderr,"tethereal: dcerpcstat_init() Protocol with uuid:%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x v%u not supported\n",uuid.Data1,uuid.Data2,uuid.Data3,uuid.Data4[0],uuid.Data4[1],uuid.Data4[2],uuid.Data4[3],uuid.Data4[4],uuid.Data4[5],uuid.Data4[6],uuid.Data4[7],ver);
exit(1);
}
- procs=dcerpc_get_proto_sub_dissector(uuid, (minor<<8)|(major&0xff) );
- rs->uuid=*uuid;
- rs->ver=(minor<<8)|(major&0xff);
+ procs=dcerpc_get_proto_sub_dissector(&uuid, ver);
+ rs->uuid=uuid;
+ rs->ver=ver;
if(filter){
rs->filter=g_malloc(strlen(filter)+1);
rs->procedures[i].tot.nsecs=0;
}
- if(register_tap_listener("dcerpc", rs, filter, NULL, (void*)dcerpcstat_packet, (void*)dcerpcstat_draw)){
+ error_string=register_tap_listener("dcerpc", rs, filter, NULL, dcerpcstat_packet, dcerpcstat_draw);
+ if(error_string){
/* error, we failed to attach to the tap. clean up */
g_free(rs->procedures);
g_free(rs->filter);
g_free(rs);
- fprintf(stderr,"tethereal: dcerpcstat_init() failed to attach to tap.\n");
+ fprintf(stderr, "tethereal: Couldn't register dcerpc,rtt tap: %s\n",
+ error_string->str);
+ g_string_free(error_string, TRUE);
exit(1);
}
}
+void
+register_tap_listener_dcerpcstat(void)
+{
+ register_ethereal_tap("dcerpc,rtt,", dcerpcstat_init);
+}