diff options
author | Anders Broman <anders.broman@ericsson.com> | 2011-06-21 12:45:37 +0000 |
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committer | Anders Broman <anders.broman@ericsson.com> | 2011-06-21 12:45:37 +0000 |
commit | 4c219ee855e8c867f487b072035dfd7687f55e87 (patch) | |
tree | 9a4fdf0d4b573658ad73771d19beb05864fbc361 /tap-rtspstat.c | |
parent | e9e32d78444c7cde6754b6795c67c6ad229b404e (diff) |
From Stéphane Gorse:
The menu gets a new item (Statistics -> RTSP -> Packet Counter).
Like HTTP, filter can be set and then the dialog windows shows the result of the RTSP analysis.
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6042
svn path=/trunk/; revision=37741
Diffstat (limited to 'tap-rtspstat.c')
-rw-r--r-- | tap-rtspstat.c | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/tap-rtspstat.c b/tap-rtspstat.c new file mode 100644 index 0000000000..feb8c8bd8e --- /dev/null +++ b/tap-rtspstat.c @@ -0,0 +1,282 @@ +/* tap-rtspstat.c + * tap-rtspstat March 2011 + * + * Stephane GORSE (Orange Labs / France Telecom) + * Copied from Jean-Michel FAYARD's works (HTTP) + * + * $Id$ + * + * 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. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <stdio.h> +#include <string.h> + +#include "epan/packet_info.h" +#include "epan/value_string.h" +#include <epan/tap.h> +#include <epan/stat_cmd_args.h> +#include "register.h" +#include <epan/dissectors/packet-rtsp.h> + + +/* used to keep track of the statictics for an entire program interface */ +typedef struct _rtsp_stats_t { + char *filter; + GHashTable *hash_responses; + GHashTable *hash_requests; +} rtspstat_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 rtsp/1.1 404 Not Found */ +typedef struct _rtsp_response_code_t { + guint32 packets; /* 3 */ + guint response_code; /* 404 */ + const gchar *name; /* Not Found */ + rtspstat_t *sp; +} rtsp_response_code_t; + +/* used to keep track of the stats for a specific request string */ +typedef struct _rtsp_request_methode_t { + gchar *response; /* eg. : SETUP */ + guint32 packets; + rtspstat_t *sp; +} rtsp_request_methode_t; + + +/* insert some entries */ +static void +rtsp_init_hash( rtspstat_t *sp) +{ + int i; + + sp->hash_responses = g_hash_table_new( g_int_hash, g_int_equal); + + for (i=0 ; rtsp_status_code_vals[i].strptr ; i++ ) + { + gint *key = g_malloc (sizeof(gint)); + rtsp_response_code_t *sc = g_malloc (sizeof(rtsp_response_code_t)); + *key = rtsp_status_code_vals[i].value; + sc->packets=0; + sc->response_code = *key; + sc->name=rtsp_status_code_vals[i].strptr; + sc->sp = sp; + g_hash_table_insert( sc->sp->hash_responses, key, sc); + } + sp->hash_requests = g_hash_table_new( g_str_hash, g_str_equal); +} +static void +rtsp_draw_hash_requests( gchar *key _U_ , rtsp_request_methode_t *data, gchar * format) +{ + if (data->packets==0) + return; + printf( format, data->response, data->packets); +} + +static void +rtsp_draw_hash_responses( gint * key _U_ , rtsp_response_code_t *data, char * format) +{ + if (data==NULL) { + g_warning("No data available, key=%d\n", *key); + exit(EXIT_FAILURE); + } + if (data->packets==0) + return; + /* " RTSP %3d %-35s %9d packets", */ + printf(format, data->response_code, data->name, data->packets ); +} + + + +/* NOT USED at this moment */ +/* +static void +rtsp_free_hash( gpointer key, gpointer value, gpointer user_data _U_ ) +{ + g_free(key); + g_free(value); +} +*/ +static void +rtsp_reset_hash_responses(gchar *key _U_ , rtsp_response_code_t *data, gpointer ptr _U_ ) +{ + data->packets = 0; +} +static void +rtsp_reset_hash_requests(gchar *key _U_ , rtsp_request_methode_t *data, gpointer ptr _U_ ) +{ + data->packets = 0; +} + +static void +rtspstat_reset(void *psp ) +{ + rtspstat_t *sp=psp; + + g_hash_table_foreach( sp->hash_responses, (GHFunc)rtsp_reset_hash_responses, NULL); + g_hash_table_foreach( sp->hash_requests, (GHFunc)rtsp_reset_hash_requests, NULL); + +} + +static int +rtspstat_packet(void *psp , packet_info *pinfo _U_, epan_dissect_t *edt _U_, const void *pri) +{ + const rtsp_info_value_t *value=pri; + rtspstat_t *sp=(rtspstat_t *) psp; + + /* We are only interested in reply packets with a status code */ + /* Request or reply packets ? */ + if (value->response_code!=0) { + guint *key=g_malloc( sizeof(guint) ); + rtsp_response_code_t *sc; + + *key=value->response_code; + sc = 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) + */ + int i = value->response_code; + if ((i<100) || (i>=600)) { + return 0; + } + 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{ + *key=599; + } + sc = g_hash_table_lookup( + sp->hash_responses, + key); + if (sc==NULL) + return 0; + } + sc->packets++; + } + else if (value->request_method){ + rtsp_request_methode_t *sc; + + sc = g_hash_table_lookup( + sp->hash_requests, + value->request_method); + if (sc==NULL){ + sc=g_malloc( sizeof(rtsp_request_methode_t) ); + sc->response=g_strdup( value->request_method ); + sc->packets=1; + sc->sp = sp; + g_hash_table_insert( sp->hash_requests, sc->response, sc); + } else { + sc->packets++; + } + } else { + return 0; + } + return 1; +} + + +static void +rtspstat_draw(void *psp ) +{ + rtspstat_t *sp=psp; + printf("\n"); + printf("===================================================================\n"); + if (! sp->filter[0]) + printf("RTSP Statistics\n"); + else + printf("RTSP Statistics with filter %s\n", sp->filter); + + printf( "* RTSP Status Codes in reply packets\n"); + g_hash_table_foreach( sp->hash_responses, (GHFunc)rtsp_draw_hash_responses, + " RTSP %3d %s\n"); + printf("* List of RTSP Request methods\n"); + g_hash_table_foreach( sp->hash_requests, (GHFunc)rtsp_draw_hash_requests, + " %9s %d \n"); + printf("===================================================================\n"); +} + + + +/* When called, this function will create a new instance of gtk_rtspstat. + */ +static void +gtk_rtspstat_init(const char *optarg,void* userdata _U_) +{ + rtspstat_t *sp; + const char *filter=NULL; + GString *error_string; + + if (!strncmp (optarg, "rtsp,stat,", 10)){ + filter=optarg+10; + } else { + filter=NULL; + } + + sp = g_malloc( sizeof(rtspstat_t) ); + if(filter){ + sp->filter=g_strdup(filter); + } else { + sp->filter=NULL; + } + /*g_hash_table_foreach( rtsp_status, (GHFunc)rtsp_reset_hash_responses, NULL);*/ + + + error_string = register_tap_listener( + "rtsp", + sp, + filter, + 0, + rtspstat_reset, + rtspstat_packet, + rtspstat_draw); + if (error_string){ + /* error, we failed to attach to the tap. clean up */ + g_free(sp->filter); + g_free(sp); + fprintf (stderr, "tshark: Couldn't register rtsp,stat tap: %s\n", + error_string->str); + g_string_free(error_string, TRUE); + exit(1); + } + + rtsp_init_hash(sp); +} + +void +register_tap_listener_gtkrtspstat(void) +{ + register_stat_cmd_arg("rtsp,stat,", gtk_rtspstat_init,NULL); +} |