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-rw-r--r--ui/cli/tap-rpcprogs.c240
1 files changed, 240 insertions, 0 deletions
diff --git a/ui/cli/tap-rpcprogs.c b/ui/cli/tap-rpcprogs.c
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+++ b/ui/cli/tap-rpcprogs.c
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+/* tap-rpcprogs.c
+ * rpcstat 2002 Ronnie Sahlberg
+ *
+ * $Id$
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/* This module provides rpc call/reply SRT statistics to tshark.
+ * It is only used by tshark and not wireshark
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#include <string.h>
+#include "epan/packet_info.h"
+#include <epan/tap.h>
+#include <epan/stat_cmd_args.h>
+#include <epan/dissectors/packet-rpc.h>
+
+#define MICROSECS_PER_SEC 1000000
+#define NANOSECS_PER_SEC 1000000000
+
+/* used to keep track of statistics for a specific program/version */
+typedef struct _rpc_program_t {
+ struct _rpc_program_t *next;
+ guint32 program;
+ guint32 version;
+ int num;
+ nstime_t min;
+ nstime_t max;
+ nstime_t tot;
+} rpc_program_t;
+
+static rpc_program_t *prog_list=NULL;
+static int already_enabled=0;
+
+static int
+rpcprogs_packet(void *dummy1 _U_, packet_info *pinfo, epan_dissect_t *edt _U_, const void *pri)
+{
+ const rpc_call_info_value *ri=pri;
+ nstime_t delta;
+ rpc_program_t *rp=NULL;
+
+ if(!prog_list){
+ /* the list was empty */
+ rp=g_malloc(sizeof(rpc_program_t));
+ rp->next=NULL;
+ rp->program=ri->prog;
+ rp->version=ri->vers;
+ rp->num=0;
+ rp->min.secs=0;
+ rp->min.nsecs=0;
+ rp->max.secs=0;
+ rp->max.nsecs=0;
+ rp->tot.secs=0;
+ rp->tot.nsecs=0;
+ prog_list=rp;
+ } else if((ri->prog==prog_list->program)
+ &&(ri->vers==prog_list->version)){
+ rp=prog_list;
+ } else if( (ri->prog<prog_list->program)
+ ||((ri->prog==prog_list->program)&&(ri->vers<prog_list->version))){
+ /* we should be first entry in list */
+ rp=g_malloc(sizeof(rpc_program_t));
+ rp->next=prog_list;
+ rp->program=ri->prog;
+ rp->version=ri->vers;
+ rp->num=0;
+ rp->min.secs=0;
+ rp->min.nsecs=0;
+ rp->max.secs=0;
+ rp->max.nsecs=0;
+ rp->tot.secs=0;
+ rp->tot.nsecs=0;
+ prog_list=rp;
+ } else {
+ /* we go somewhere else in the list */
+ for(rp=prog_list;rp;rp=rp->next){
+ if((rp->next)
+ && (rp->next->program==ri->prog)
+ && (rp->next->version==ri->vers)){
+ rp=rp->next;
+ break;
+ }
+ if((!rp->next)
+ || (rp->next->program>ri->prog)
+ || ( (rp->next->program==ri->prog)
+ &&(rp->next->version>ri->vers))){
+ rpc_program_t *trp;
+ trp=g_malloc(sizeof(rpc_program_t));
+ trp->next=rp->next;
+ trp->program=ri->prog;
+ trp->version=ri->vers;
+ trp->num=0;
+ trp->min.secs=0;
+ trp->min.nsecs=0;
+ trp->max.secs=0;
+ trp->max.nsecs=0;
+ trp->tot.secs=0;
+ trp->tot.nsecs=0;
+ rp->next=trp;
+ rp=trp;
+ break;
+ }
+ }
+ }
+
+
+ /* we are only interested in reply packets */
+ if(ri->request || !rp){
+ return 0;
+ }
+
+ /* calculate time delta between request and reply */
+ nstime_delta(&delta, &pinfo->fd->abs_ts, &ri->req_time);
+
+ if((rp->max.secs==0)
+ && (rp->max.nsecs==0) ){
+ rp->max.secs=delta.secs;
+ rp->max.nsecs=delta.nsecs;
+ }
+
+ if((rp->min.secs==0)
+ && (rp->min.nsecs==0) ){
+ rp->min.secs=delta.secs;
+ rp->min.nsecs=delta.nsecs;
+ }
+
+ if( (delta.secs<rp->min.secs)
+ ||( (delta.secs==rp->min.secs)
+ &&(delta.nsecs<rp->min.nsecs) ) ){
+ rp->min.secs=delta.secs;
+ rp->min.nsecs=delta.nsecs;
+ }
+
+ if( (delta.secs>rp->max.secs)
+ ||( (delta.secs==rp->max.secs)
+ &&(delta.nsecs>rp->max.nsecs) ) ){
+ rp->max.secs=delta.secs;
+ rp->max.nsecs=delta.nsecs;
+ }
+
+ rp->tot.secs += delta.secs;
+ rp->tot.nsecs += delta.nsecs;
+ if(rp->tot.nsecs > NANOSECS_PER_SEC){
+ rp->tot.nsecs -= NANOSECS_PER_SEC;
+ rp->tot.secs++;
+ }
+ rp->num++;
+
+ return 1;
+}
+
+
+static void
+rpcprogs_draw(void *dummy _U_)
+{
+ guint64 td;
+ rpc_program_t *rp;
+ char str[64];
+
+ printf("\n");
+ printf("==========================================================\n");
+ printf("ONC-RPC Program Statistics:\n");
+ printf("Program Version Calls Min SRT Max SRT Avg SRT\n");
+ for(rp=prog_list;rp;rp=rp->next){
+ /* Only display procs with non-zero calls */
+ if(rp->num==0){
+ continue;
+ }
+ /* Scale the average SRT in units of 1us and round to the nearest us. */
+ td = ((guint64)(rp->tot.secs)) * NANOSECS_PER_SEC + rp->tot.nsecs;
+ td = ((td / rp->num) + 500) / 1000;
+
+ g_snprintf(str, sizeof(str), "%s(%d)",rpc_prog_name(rp->program),rp->program);
+ printf("%-15s %2d %6d %3d.%06d %3d.%06d %3" G_GINT64_MODIFIER "u.%06" G_GINT64_MODIFIER "u\n",
+ str,
+ rp->version,
+ rp->num,
+ (int)(rp->min.secs),(rp->min.nsecs+500)/1000,
+ (int)(rp->max.secs),(rp->max.nsecs+500)/1000,
+ td/MICROSECS_PER_SEC, td%MICROSECS_PER_SEC
+ );
+ }
+ printf("===================================================================\n");
+}
+
+
+static void
+rpcprogs_init(const char *optarg _U_, void* userdata _U_)
+{
+ GString *error_string;
+
+ if(already_enabled){
+ return;
+ }
+ already_enabled=1;
+
+ error_string=register_tap_listener("rpc", NULL, NULL, 0, NULL, rpcprogs_packet, rpcprogs_draw);
+ if(error_string){
+ fprintf(stderr,"tshark: Couldn't register rpc,programs tap: %s\n",
+ error_string->str);
+ g_string_free(error_string, TRUE);
+ exit(1);
+ }
+}
+
+
+void
+register_tap_listener_rpcprogs(void)
+{
+ register_stat_cmd_arg("rpc,programs", rpcprogs_init, NULL);
+}
+
+
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