diff options
author | Ulf Lamping <ulf.lamping@web.de> | 2004-10-20 18:50:58 +0000 |
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committer | Ulf Lamping <ulf.lamping@web.de> | 2004-10-20 18:50:58 +0000 |
commit | 0f80fa5c7d747a026d4fd30220a98d087cef53b1 (patch) | |
tree | 32d5522fd1cd1a87e2803b0df458fe6fb77d99ba /capinfos.c | |
parent | 39de90e5da056fd473dfd0b47f4e4d06ea4aa8d3 (diff) |
renamed capinfo to capinfos, as the former name capinfo was already used in a program called tcprelay, so that might confuse packaging managers and users. Hopefully I got all the places need to be changed.
svn path=/trunk/; revision=12358
Diffstat (limited to 'capinfos.c')
-rw-r--r-- | capinfos.c | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/capinfos.c b/capinfos.c new file mode 100644 index 0000000000..5fb5eb1d5b --- /dev/null +++ b/capinfos.c @@ -0,0 +1,332 @@ +/* capinfos.c + * Reports capture file information including # of packets, duration, others + * + * Copyright 2004 Ian Schorr + * + * $Id$ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * 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 <stdlib.h> +#include <glib.h> +#include <string.h> + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#endif + +#include <string.h> +#include <epan/packet.h> +#include "wtap.h" + +#ifdef NEED_GETOPT_H +#include "getopt.h" +#endif + +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif + + +static gboolean cap_file_type = FALSE; /* Do not report capture type */ +static gboolean cap_packet_count = FALSE; /* Do not produce packet count */ +static gboolean cap_file_size = FALSE; /* Do not report file size */ +static gboolean cap_data_size = FALSE; /* Do not report packet byte size */ +static gboolean cap_duration = FALSE; /* Do not report capture duration */ +static gboolean cap_start_time = FALSE; +static gboolean cap_end_time = FALSE; + +static gboolean cap_data_rate_byte = FALSE; +static gboolean cap_data_rate_bit = FALSE; +static gboolean cap_packet_size = FALSE; + + +typedef struct _capture_info { + const char *filename; + guint16 file_type; + guint64 filesize; + guint64 packet_bytes; + double start_time; + double stop_time; + guint32 packet_count; + gboolean snap_set; + guint32 snaplen; + gboolean drops_known; + guint32 drop_count; + + double duration; + double packet_rate; + double packet_size; + double data_rate; /* in bytes */ +} capture_info; + +static double +secs_usecs(guint32 s, guint32 us) +{ + return (us / 1000000.0) + (double)s; +} + +static void +print_stats(capture_info *cf_info) +{ + const gchar *file_type_string; + time_t start_time_t; + time_t stop_time_t; + + /* Build printable strings for various stats */ + file_type_string = wtap_file_type_string(cf_info->file_type); + start_time_t = (time_t)cf_info->start_time; + stop_time_t = (time_t)cf_info->stop_time; + + if (cap_file_type) printf("File Type: %s\n", file_type_string); + if (cap_packet_count) printf("Number of packets: %u \n", cf_info->packet_count); + if (cap_file_size) printf("File Size: %" PRIu64 " bytes\n", cf_info->filesize); + if (cap_data_size) printf("Data Size: %" PRIu64 " bytes\n", cf_info->packet_bytes); + if (cap_duration) printf("Capture duration: %f seconds\n", cf_info->duration); + if (cap_start_time) printf("Start time: %s", ctime (&start_time_t)); + if (cap_end_time) printf("End time: %s", ctime (&stop_time_t)); + if (cap_data_rate_byte) printf("Data rate: %.2f bytes/s\n", cf_info->data_rate); + if (cap_data_rate_bit) printf("Data rate: %.2f bits/s\n", cf_info->data_rate*8); + if (cap_packet_size) printf("Average packet size: %.2f bytes\n", cf_info->packet_size); + +} + +static int +process_cap_file(wtap *wth) +{ + int err; + gchar *err_info; + struct stat cf_stat; + long data_offset; + + guint32 packet = 0; + gint64 bytes = 0; + const struct wtap_pkthdr *phdr; + capture_info cf_info; + double start_time = 0; + double stop_time = 0; + double cur_time = 0; + + /* Tally up data that we need to parse through the file to find */ + while (wtap_read(wth, &err, &err_info, &data_offset)) { + phdr = wtap_phdr(wth); + cur_time = secs_usecs(phdr->ts.tv_sec, phdr->ts.tv_usec); + if(packet==0) { + start_time = cur_time; + stop_time = cur_time; + } + if (cur_time < start_time) { + start_time = cur_time; + } + if (cur_time > stop_time) { + stop_time = cur_time; + } + bytes+=phdr->len; + packet++; + } + + if (err != 0) { + fprintf(stderr, "Error after reading %i packets\n", packet); + exit(1); + } + + /* File size */ + if (fstat(wtap_fd(wth), &cf_stat) < 0) { + wtap_close(wth); + return 1; + } + + cf_info.filesize = cf_stat.st_size; + + /* File Type */ + cf_info.file_type = wtap_file_type(wth); + + /* # of packets */ + cf_info.packet_count = packet; + + /* File Times */ + cf_info.start_time = start_time; + cf_info.stop_time = stop_time; + cf_info.duration = stop_time-start_time; + + /* Number of packet bytes */ + cf_info.packet_bytes = bytes; + + /* Data rate per second */ + cf_info.data_rate = (double)bytes / (stop_time-start_time); + + /* Avg packet size */ + cf_info.packet_size = (double)bytes/packet; + + print_stats(&cf_info); + +return 0; +} + +static void usage(gboolean is_error) +{ + FILE *output; + + if (!is_error) { + output = stdout; + /* XXX - add capinfos header info here */ + } + else { + output = stderr; + } + + + fprintf(output, "Usage: capinfos [-t] [-c] [-s] [-d] [-u] [-a] [-e] [-y]\n"); + fprintf(output, " [-i] [-z] [-h] <capfile>\n"); + fprintf(output, " where\t-t display the capture type of <capfile>\n"); + fprintf(output, " \t-c count the number of packets\n"); + fprintf(output, " \t-s display the size of the file \n"); + fprintf(output, " \t-d display the total length of all packets in the file\n"); + fprintf(output, " \t (in bytes)\n"); + fprintf(output, " \t-u display the capture duration (in seconds) \n"); + fprintf(output, " \t-a display the capture start time\n"); + fprintf(output, " \t-e display the capture end time\n"); + fprintf(output, " \t-y display average data rate (in bytes)\n"); + fprintf(output, " \t-i display average data rate (in bits)\n"); + fprintf(output, " \t-z display average packet size (in bytes)\n"); + fprintf(output, " \t-h produces this help listing.\n"); + fprintf(output, "\n \t If no data flags are given, default is to display all statistics\n"); +} + +int main(int argc, char *argv[]) +{ + wtap *wth; + int err; + gchar *err_info; + extern char *optarg; + extern int optind; + int opt; + int status = 0; + + /* Process the options first */ + + while ((opt = getopt(argc, argv, "tcsduaeyizvh")) !=-1) { + + switch (opt) { + + case 't': + cap_file_type = TRUE; + break; + + case 'c': + cap_packet_count = TRUE; + break; + + case 's': + cap_file_size = TRUE; + break; + + case 'd': + cap_data_size = TRUE; + break; + + case 'u': + cap_duration = TRUE; + break; + + case 'a': + cap_start_time = TRUE; + break; + + case 'e': + cap_end_time = TRUE; + break; + + case 'y': + cap_data_rate_byte = TRUE; + break; + + case 'i': + cap_data_rate_bit = TRUE; + break; + + case 'z': + cap_packet_size = TRUE; + break; + + case 'h': + usage(FALSE); + exit(1); + break; + + case '?': /* Bad flag - print usage message */ + usage(TRUE); + exit(1); + break; + } + } + + if (optind < 2) { + + /* If no arguments were given, by default display all statistics */ + cap_file_type = TRUE; + cap_packet_count = TRUE; + cap_file_size = TRUE; + cap_data_size = TRUE; + cap_duration = TRUE; + cap_start_time = TRUE; + cap_end_time = TRUE; + + cap_data_rate_byte = TRUE; + cap_data_rate_bit = TRUE; + cap_packet_size = TRUE; + } + + if ((argc - optind) < 1) { + usage(TRUE); + exit(1); + } + + wth = wtap_open_offline(argv[optind], &err, &err_info, FALSE); + + if (!wth) { + fprintf(stderr, "capinfos: Can't open %s: %s\n", argv[optind], + wtap_strerror(err)); + switch (err) { + + case WTAP_ERR_UNSUPPORTED: + case WTAP_ERR_UNSUPPORTED_ENCAP: + case WTAP_ERR_BAD_RECORD: + fprintf(stderr, "(%s)\n", err_info); + g_free(err_info); + break; + } + exit(1); + } + + status = process_cap_file(wth); + + wtap_close(wth); + return status; +} |