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-rw-r--r--ui/cli/tap-camelsrt.c268
1 files changed, 268 insertions, 0 deletions
diff --git a/ui/cli/tap-camelsrt.c b/ui/cli/tap-camelsrt.c
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--- /dev/null
+++ b/ui/cli/tap-camelsrt.c
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+/* tap_camelsrt.c
+ * CAMEL Service Response Time statistics for tshark
+ * Copyright 2006 Florent Drouin (based on tap_h225rassrt.c from Lars Roland)
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "epan/packet.h"
+#include <epan/tap.h>
+#include "epan/value_string.h"
+#include "epan/asn1.h"
+#include "epan/dissectors/packet-camel.h"
+#include "epan/dissectors/packet-tcap.h"
+#include "epan/timestats.h"
+#include "epan/stat_tap_ui.h"
+
+#include <wsutil/cmdarg_err.h>
+
+void register_tap_listener_camelsrt(void);
+
+/* Save the first NUM_RAS_STATS stats in the array to calculate percentile */
+#define NUM_RAS_STATS 500000
+
+/* Number of couple message Request/Response to analyze*/
+#define NB_CRITERIA 7
+
+/* used to keep track of the statistics for an entire program interface */
+struct camelsrt_t {
+ char *filter;
+ guint32 count[NB_CAMELSRT_CATEGORY];
+ timestat_t stats[NB_CAMELSRT_CATEGORY];
+ nstime_t delta_time[NB_CAMELSRT_CATEGORY][NUM_RAS_STATS];
+};
+
+/* Reset the counter */
+static void camelsrt_reset(void *phs)
+{
+ struct camelsrt_t *hs = (struct camelsrt_t *)phs;
+ memset(hs, 0, sizeof(struct camelsrt_t));
+}
+
+
+static tap_packet_status camelsrt_packet(void *phs,
+ packet_info *pinfo _U_,
+ epan_dissect_t *edt _U_,
+ const void *phi, tap_flags_t flags _U_)
+{
+ struct camelsrt_t *hs = (struct camelsrt_t *)phs;
+ const struct camelsrt_info_t * pi = (const struct camelsrt_info_t *)phi;
+ int i;
+
+ for (i=0; i<NB_CAMELSRT_CATEGORY; i++) {
+ if (pi->bool_msginfo[i] &&
+ pi->msginfo[i].is_delta_time
+ && pi->msginfo[i].request_available
+ && !pi->msginfo[i].is_duplicate ) {
+
+ time_stat_update(&(hs->stats[i]),
+ &(pi->msginfo[i].delta_time),
+ pinfo);
+
+ if (hs->count[i] < NUM_RAS_STATS) {
+ hs->delta_time[i][hs->count[i]++]
+ = pi->msginfo[i].delta_time;
+ }
+ }
+ }
+ return TAP_PACKET_REDRAW;
+}
+
+
+static void camelsrt_draw(void *phs)
+{
+ struct camelsrt_t *hs = (struct camelsrt_t *)phs;
+ guint j, z;
+ guint32 li;
+ int somme, iteration = 0;
+ timestat_t *rtd_temp;
+ double x, delay, delay_max, delay_min, delta;
+ double criteria[NB_CRITERIA] = { 5.0, 10.0, 75.0, 90.0, 95.0, 99.0, 99.90 };
+ double delay_criteria[NB_CRITERIA];
+ gchar* tmp_str;
+
+ printf("\n");
+ printf("Camel Service Response Time (SRT) Statistics:\n");
+ printf("=================================================================================================\n");
+ printf("| Category | Measure | Min SRT | Max SRT | Avg SRT | Min frame | Max frame |\n");
+ printf("|-------------------------|---------|-----------|-----------|-----------|-----------|-----------|\n");
+
+ j = 1;
+ tmp_str = val_to_str_wmem(NULL, j, camelSRTtype_naming, "Unknown Message 0x%02x");
+ printf("|%24s |%8u |%8.2f s |%8.2f s |%8.2f s |%10u |%10u |\n",
+ tmp_str,
+ hs->stats[j].num,
+ nstime_to_sec(&(hs->stats[j].min)),
+ nstime_to_sec(&(hs->stats[j].max)),
+ get_average(&(hs->stats[j].tot), hs->stats[j].num)/1000.0,
+ hs->stats[j].min_num,
+ hs->stats[j].max_num
+ );
+ wmem_free(NULL, tmp_str);
+ for (j=2; j<NB_CAMELSRT_CATEGORY; j++) {
+ if (hs->stats[j].num == 0) {
+ tmp_str = val_to_str_wmem(NULL, j, camelSRTtype_naming, "Unknown Message 0x%02x");
+ printf("|%24s |%8u |%8.2f ms|%8.2f ms|%8.2f ms|%10u |%10u |\n",
+ tmp_str, 0U, 0.0, 0.0, 0.0, 0U, 0U);
+ wmem_free(NULL, tmp_str);
+ continue;
+ }
+
+ tmp_str = val_to_str_wmem(NULL, j, camelSRTtype_naming, "Unknown Message 0x%02x");
+ printf("|%24s |%8u |%8.2f ms|%8.2f ms|%8.2f ms|%10u |%10u |\n",
+ tmp_str,
+ hs->stats[j].num,
+ MIN(9999, nstime_to_msec(&(hs->stats[j].min))),
+ MIN(9999, nstime_to_msec(&(hs->stats[j].max))),
+ MIN(9999, get_average(&(hs->stats[j].tot), hs->stats[j].num)),
+ hs->stats[j].min_num,
+ hs->stats[j].max_num
+ );
+ wmem_free(NULL, tmp_str);
+ } /* j category */
+
+ printf("=================================================================================================\n");
+ /*
+ * Display 95%
+ */
+
+ printf("| Category/Criteria |");
+ for (z=0; z<NB_CRITERIA; z++) printf("%7.2f%% |", criteria[z]);
+ printf("\n");
+
+ printf("|-------------------------|");
+ for (z=0; z<NB_CRITERIA; z++) printf("---------|");
+ printf("\n");
+ /* calculate the delay max to have a given number of messages (in percentage) */
+ for (j=2; j<NB_CAMELSRT_CATEGORY;j++) {
+
+ rtd_temp = &(hs->stats[j]);
+
+ if (hs->count[j] > 0) {
+ /* Calculate the delay to answer to p% of the MS */
+ for (z=0; z<NB_CRITERIA; z++) {
+ iteration = 0;
+ delay_max = (double)rtd_temp->max.secs*1000 +(double)rtd_temp->max.nsecs/1000000;
+ delay_min = (double)rtd_temp->min.secs*1000 +(double)rtd_temp->min.nsecs/1000000;
+ delay = delay_min;
+ delta = delay_max-delay_min;
+ while ( (delta > 0.001) && (iteration < 10000) ) {
+ somme = 0;
+ iteration++;
+
+ for (li=0; li<hs->count[j]; li++) {
+ x = hs->delta_time[j][li].secs*1000
+ + (double)hs->delta_time[j][li].nsecs/1000000;
+ if (x <= delay) somme++;
+ }
+ if ( somme*100 > hs->count[j]*criteria[z] ) { /* trop grand */
+ delay_max = delay;
+ delay = (delay_max+delay_min)/2;
+ delta = delay_max-delay_min;
+ } else { /* trop petit */
+ delay_min = delay;
+ delay = (delay_max+delay_min)/2;
+ delta = delay_max-delay_min;
+ }
+ } /* while */
+ delay_criteria[z] = delay;
+ } /* z criteria */
+ /* Append the result to the table */
+ tmp_str = val_to_str_wmem(NULL, j, camelSRTtype_naming, "Unknown Message 0x%02x");
+ printf("X%24s |", tmp_str);
+ wmem_free(NULL, tmp_str);
+ for (z=0; z<NB_CRITERIA; z++) printf("%8.2f |", MIN(9999, delay_criteria[z]));
+ printf("\n");
+ } else { /* count */
+ tmp_str = val_to_str_wmem(NULL, j, camelSRTtype_naming, "Unknown Message 0x%02x");
+ printf("X%24s |", tmp_str);
+ wmem_free(NULL, tmp_str);
+ for (z=0; z<NB_CRITERIA; z++) printf("%8.2f |", 0.0);
+ printf("\n");
+ } /* count */
+ }/* j category */
+ printf("===========================");
+ for (z=0; z<NB_CRITERIA; z++) printf("==========");
+ printf("\n");
+}
+
+static void camelsrt_init(const char *opt_arg, void *userdata _U_)
+{
+ struct camelsrt_t *p_camelsrt;
+ GString *error_string;
+
+ p_camelsrt = g_new(struct camelsrt_t, 1);
+ camelsrt_reset(p_camelsrt);
+
+ if (!strncmp(opt_arg, "camel,srt,", 10)) {
+ p_camelsrt->filter = g_strdup(opt_arg+10);
+ } else {
+ p_camelsrt->filter = NULL;
+ }
+
+ error_string = register_tap_listener("CAMEL",
+ p_camelsrt,
+ p_camelsrt->filter,
+ 0,
+ NULL,
+ camelsrt_packet,
+ camelsrt_draw,
+ NULL);
+
+ if (error_string) {
+ /* error, we failed to attach to the tap. clean up */
+ g_free(p_camelsrt->filter);
+ g_free(p_camelsrt);
+
+ cmdarg_err("Couldn't register camel,srt tap: %s", error_string->str);
+ g_string_free(error_string, TRUE);
+ exit(1);
+ }
+
+ /*
+ * If we are using tshark, we have to display the stats, even if the stats are not persistent
+ * As the frame are proceeded in the chronological order, we do not need persistent stats
+ * Whereas, with wireshark, it is not possible to have the correct display, if the stats are
+ * not saved along the analyze
+ */
+ gtcap_StatSRT = TRUE;
+ gcamel_StatSRT = TRUE;
+}
+
+static stat_tap_ui camelsrt_ui = {
+ REGISTER_STAT_GROUP_GENERIC,
+ NULL,
+ "camel,srt",
+ camelsrt_init,
+ 0,
+ NULL
+};
+
+void
+register_tap_listener_camelsrt(void)
+{
+ register_stat_tap_ui(&camelsrt_ui, NULL);
+}
+
+/*
+ * Editor modelines - https://www.wireshark.org/tools/modelines.html
+ *
+ * Local Variables:
+ * c-basic-offset: 2
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=2 tabstop=8 expandtab:
+ * :indentSize=2:tabSize=8:noTabs=true:
+ */
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