summaryrefslogtreecommitdiffstats
path: root/ui/cli/tap-rpcprogs.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--ui/cli/tap-rpcprogs.c246
1 files changed, 246 insertions, 0 deletions
diff --git a/ui/cli/tap-rpcprogs.c b/ui/cli/tap-rpcprogs.c
new file mode 100644
index 0000000..e64c93b
--- /dev/null
+++ b/ui/cli/tap-rpcprogs.c
@@ -0,0 +1,246 @@
+/* tap-rpcprogs.c
+ * rpcstat 2002 Ronnie Sahlberg
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+/* This module provides rpc call/reply SRT statistics to tshark.
+ * It is only used by tshark and not wireshark
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <glib.h>
+
+#include <epan/packet_info.h>
+#include <epan/tap.h>
+#include <epan/stat_tap_ui.h>
+#include <epan/dissectors/packet-rpc.h>
+
+#include <wsutil/cmdarg_err.h>
+
+#define MICROSECS_PER_SEC 1000000
+#define NANOSECS_PER_SEC 1000000000
+
+void register_tap_listener_rpcprogs(void);
+
+/* 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 tap_packet_status
+rpcprogs_packet(void *dummy1 _U_, packet_info *pinfo, epan_dissect_t *edt _U_, const void *pri, tap_flags_t flags _U_)
+{
+ const rpc_call_info_value *ri = (const rpc_call_info_value *)pri;
+ nstime_t delta;
+ rpc_program_t *rp = NULL;
+
+ if (!prog_list) {
+ /* the list was empty */
+ rp = g_new(rpc_program_t, 1);
+ 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_new(rpc_program_t, 1);
+ 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_new(rpc_program_t, 1);
+ 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 TAP_PACKET_DONT_REDRAW;
+ }
+
+ /* calculate time delta between request and reply */
+ nstime_delta(&delta, &pinfo->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 TAP_PACKET_REDRAW;
+}
+
+
+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;
+
+ snprintf(str, sizeof(str), "%s(%d)", rpc_prog_name(rp->program), rp->program);
+ printf("%-15s %2u %6d %3d.%06d %3d.%06d %3" PRIu64 ".%06" PRIu64 "\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 *opt_arg _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, NULL);
+ if (error_string) {
+ cmdarg_err("Couldn't register rpc,programs tap: %s",
+ error_string->str);
+ g_string_free(error_string, TRUE);
+ exit(1);
+ }
+}
+
+static stat_tap_ui rpcprogs_ui = {
+ REGISTER_STAT_GROUP_GENERIC,
+ NULL,
+ "rpc,programs",
+ rpcprogs_init,
+ 0,
+ NULL
+};
+
+void
+register_tap_listener_rpcprogs(void)
+{
+ register_stat_tap_ui(&rpcprogs_ui, NULL);
+}
+
+/*
+ * Editor modelines - https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 8
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * End:
+ *
+ * vi: set shiftwidth=8 tabstop=8 noexpandtab:
+ * :indentSize=8:tabSize=8:noTabs=false:
+ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-08 06:55:47 +0000