diff options
Diffstat (limited to 'ui/cli/tap-sipstat.c')
| -rw-r--r-- | ui/cli/tap-sipstat.c | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/ui/cli/tap-sipstat.c b/ui/cli/tap-sipstat.c new file mode 100644 index 00000000..92d1463d --- /dev/null +++ b/ui/cli/tap-sipstat.c @@ -0,0 +1,370 @@ +/* tap_sipstat.c + * sip message counter for wireshark + * + * Copied from ui/gtk/sip_stat.c and tap-httpstat.c + * + * 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 <glib.h> + +#include <epan/packet_info.h> +#include <epan/tap.h> +#include <epan/stat_tap_ui.h> +#include <epan/value_string.h> +#include <epan/dissectors/packet-sip.h> + +#include <wsutil/wslog.h> + +#include <wsutil/cmdarg_err.h> + +void register_tap_listener_sipstat(void); + +/* used to keep track of the statictics for an entire program interface */ +typedef struct _sip_stats_t { + char *filter; + guint32 packets; /* number of sip packets, including continuations */ + guint32 resent_packets; + guint32 average_setup_time; + guint32 max_setup_time; + guint32 min_setup_time; + guint32 no_of_completed_calls; + guint64 total_setup_time; + GHashTable *hash_responses; + GHashTable *hash_requests; +} sipstat_t; + +/* used to keep track of the stats for a specific response code + * for example it can be { 3, 404, "Not Found" ,...} + * which means we captured 3 reply sip/1.1 404 Not Found */ +typedef struct _sip_response_code_t { + guint32 packets; /* 3 */ + guint response_code; /* 404 */ + const gchar *name; /* Not Found */ + sipstat_t *sp; +} sip_response_code_t; + +/* used to keep track of the stats for a specific request string */ +typedef struct _sip_request_method_t { + gchar *response; /* eg. : INVITE */ + guint32 packets; + sipstat_t *sp; +} sip_request_method_t; + + +/* Create tables for responses and requests */ +static void +sip_init_hash(sipstat_t *sp) +{ + int i; + + /* Create responses table */ + sp->hash_responses = g_hash_table_new(g_int_hash, g_int_equal); + + /* Add all response codes */ + for (i=0; sip_response_code_vals[i].strptr; i++) + { + gint *key = g_new (gint, 1); + sip_response_code_t *sc = g_new (sip_response_code_t, 1); + *key = sip_response_code_vals[i].value; + sc->packets = 0; + sc->response_code = *key; + sc->name = sip_response_code_vals[i].strptr; + sc->sp = sp; + g_hash_table_insert(sc->sp->hash_responses, key, sc); + } + + /* Create empty requests table */ + sp->hash_requests = g_hash_table_new(g_str_hash, g_str_equal); +} + +static void +sip_draw_hash_requests( gchar *key _U_, sip_request_method_t *data, gchar *format) +{ + if (data->packets == 0) + return; + printf( format, data->response, data->packets); +} + +static void +sip_draw_hash_responses( gint *key _U_ , sip_response_code_t *data, char *format) +{ + if (data == NULL) { + ws_warning("C'est quoi ce borderl key=%d\n", *key); + exit(EXIT_FAILURE); + } + if (data->packets == 0) + return; + printf(format, data->response_code, data->name, data->packets ); +} + +/* NOT USED at this moment */ +/* +static void +sip_free_hash( gpointer key, gpointer value, gpointer user_data _U_ ) +{ + g_free(key); + g_free(value); +} +*/ + +static void +sip_reset_hash_responses(gchar *key _U_ , sip_response_code_t *data, gpointer ptr _U_ ) +{ + data->packets = 0; +} +static void +sip_reset_hash_requests(gchar *key _U_ , sip_request_method_t *data, gpointer ptr _U_ ) +{ + data->packets = 0; +} + +static void +sipstat_reset(void *psp ) +{ + sipstat_t *sp = (sipstat_t *)psp; + if (sp) { + sp->packets = 0; + sp->resent_packets = 0; + sp->average_setup_time = 0; + sp->max_setup_time = 0; + sp->min_setup_time = 0; + sp->no_of_completed_calls = 0; + sp->total_setup_time = 0; + + g_hash_table_foreach( sp->hash_responses, (GHFunc)sip_reset_hash_responses, NULL); + g_hash_table_foreach( sp->hash_requests, (GHFunc)sip_reset_hash_requests, NULL); + } +} + + +/* Main entry point to SIP tap */ +static tap_packet_status +sipstat_packet(void *psp, packet_info *pinfo _U_, epan_dissect_t *edt _U_, const void *pri, tap_flags_t flags _U_) +{ + const sip_info_value_t *value = (const sip_info_value_t *)pri; + sipstat_t *sp = (sipstat_t *)psp; + + /* Total number of packets, including continuation packets */ + sp->packets++; + + /* Calculate average setup time */ + if (value->setup_time) { + sp->no_of_completed_calls++; + /* Check if it's the first value */ + if ( sp->total_setup_time == 0 ) { + sp->average_setup_time = value->setup_time; + sp->total_setup_time = value->setup_time; + sp->max_setup_time = value->setup_time; + sp->min_setup_time = value->setup_time; + }else{ + sp->total_setup_time = sp->total_setup_time + value->setup_time; + if (sp->max_setup_time < value->setup_time) { + sp->max_setup_time = value->setup_time; + } + if (sp->min_setup_time > value->setup_time) { + sp->min_setup_time = value->setup_time; + } + /* Calculate average */ + sp->average_setup_time = (guint32)(sp->total_setup_time / sp->no_of_completed_calls); + } + } + + /* Update resent count if flag set */ + if (value->resend) + { + sp->resent_packets++; + } + + + /* Looking at both requests and responses */ + if (value->response_code != 0) + { + /* Responses */ + guint key; + sip_response_code_t *sc; + + /* Look up response code in hash table */ + key = value->response_code; + sc = (sip_response_code_t *)g_hash_table_lookup(sp->hash_responses, &key); + if (sc == NULL) + { + /* Non-standard status code ; we classify it as others + * in the relevant category + * (Informational,Success,Redirection,Client Error,Server Error,Global Failure) + */ + int i = value->response_code; + if ((i < 100) || (i >= 700)) + { + /* Forget about crazy values */ + return TAP_PACKET_DONT_REDRAW; + } + else if (i < 200) + { + key = 199; /* Hopefully, this status code will never be used */ + } + else if (i < 300) + { + key = 299; + } + else if (i < 400) + { + key = 399; + } + else if (i < 500) + { + key = 499; + } + else if (i < 600) + { + key = 599; + } + else + { + key = 699; + } + + /* Now look up this fallback code to get its text description */ + sc = (sip_response_code_t *)g_hash_table_lookup(sp->hash_responses, &key); + if (sc == NULL) + { + return TAP_PACKET_DONT_REDRAW; + } + } + sc->packets++; + } + else if (value->request_method) + { + /* Requests */ + sip_request_method_t *sc; + + /* Look up the request method in the table */ + sc = (sip_request_method_t *)g_hash_table_lookup(sp->hash_requests, value->request_method); + if (sc == NULL) + { + /* First of this type. Create structure and initialise */ + sc = g_new(sip_request_method_t, 1); + sc->response = g_strdup(value->request_method); + sc->packets = 1; + sc->sp = sp; + /* Insert it into request table */ + g_hash_table_insert(sp->hash_requests, sc->response, sc); + } + else + { + /* Already existed, just update count for that method */ + sc->packets++; + } + /* g_free(value->request_method); */ + } + else + { + /* No request method set. Just ignore */ + return TAP_PACKET_DONT_REDRAW; + } + + return TAP_PACKET_REDRAW; +} + +static void +sipstat_draw(void *psp ) +{ + sipstat_t *sp = (sipstat_t *)psp; + printf("\n"); + printf("===================================================================\n"); + if (sp->filter == NULL) + printf("SIP Statistics\n"); + else + printf("SIP Statistics with filter %s\n", sp->filter); + + printf("\nNumber of SIP messages: %u", sp->packets); + printf("\nNumber of resent SIP messages: %u\n", sp->resent_packets); + printf( "\n* SIP Status Codes in reply packets\n"); + g_hash_table_foreach(sp->hash_responses, (GHFunc)sip_draw_hash_responses, + (gpointer)" SIP %3d %-15s : %5d Packets\n"); + printf("\n* List of SIP Request methods\n"); + g_hash_table_foreach(sp->hash_requests, (GHFunc)sip_draw_hash_requests, + (gpointer)" %-15s : %5d Packets\n"); + printf( "\n* Average setup time %u ms\n Min %u ms\n Max %u ms\n", sp->average_setup_time, sp->min_setup_time, sp->max_setup_time); + printf("===================================================================\n"); +} + +static void +sipstat_init(const char *opt_arg, void *userdata _U_) +{ + sipstat_t *sp; + const char *filter = NULL; + GString *error_string; + + if (strncmp (opt_arg, "sip,stat,", 9) == 0) { + filter = opt_arg+9; + } else { + filter = NULL; + } + + sp = g_new0(sipstat_t, 1); + sp->filter = g_strdup(filter); + /*g_hash_table_foreach( sip_status, (GHFunc)sip_reset_hash_responses, NULL);*/ + + + error_string = register_tap_listener( + "sip", + sp, + filter, + 0, + sipstat_reset, + sipstat_packet, + sipstat_draw, + NULL); + if (error_string) { + /* error, we failed to attach to the tap. clean up */ + g_free(sp->filter); + g_free(sp); + cmdarg_err("Couldn't register sip,stat tap: %s", + error_string->str); + g_string_free(error_string, TRUE); + exit(1); + } + + sp->packets = 0; + sp->resent_packets = 0; + sip_init_hash(sp); +} + +static stat_tap_ui sipstat_ui = { + REGISTER_STAT_GROUP_GENERIC, + NULL, + "sip,stat", + sipstat_init, + 0, + NULL +}; + +void +register_tap_listener_sipstat(void) +{ + register_stat_tap_ui(&sipstat_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: + */ |