1998-11-12 06:01:27 +00:00
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/* wtap.c
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*
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1999-01-07 16:15:37 +00:00
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* $Id: wtap.c,v 1.4 1999/01/07 16:15:36 gram Exp $
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1998-11-12 06:01:27 +00:00
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*
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* Wiretap Library
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* Copyright (c) 1998 by Gilbert Ramirez <gram@verdict.uthscsa.edu>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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1998-11-12 00:06:47 +00:00
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#include "wtap.h"
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FILE* wtap_file(wtap *wth)
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{
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1998-11-15 05:29:17 +00:00
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return wth->fh;
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1998-11-12 00:06:47 +00:00
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}
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int wtap_file_type(wtap *wth)
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{
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return wth->file_type;
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}
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int wtap_snapshot_length(wtap *wth)
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{
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1998-11-15 05:29:17 +00:00
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return wth->snapshot_length;
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1998-11-12 00:06:47 +00:00
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}
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void wtap_close(wtap *wth)
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{
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1999-01-07 16:15:37 +00:00
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/* free up memory. If any capture structure ever allocates
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* its own memory, it would be better to make a *close() function
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* for each filetype, like pcap_close(0, lanalyzer_close(), etc.
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* But for now this will work. */
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switch(wth->file_type) {
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case WTAP_FILE_PCAP:
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free(wth->capture.pcap);
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break;
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case WTAP_FILE_LANALYZER:
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free(wth->capture.lanalyzer);
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break;
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case WTAP_FILE_NGSNIFFER:
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free(wth->capture.ngsniffer);
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break;
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default:
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/* nothing */
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}
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1998-11-15 05:29:17 +00:00
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fclose(wth->fh);
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1998-11-12 00:06:47 +00:00
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}
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void wtap_loop(wtap *wth, int count, wtap_handler callback, u_char* user)
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{
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int i = 0;
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1998-11-15 05:29:17 +00:00
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int data_offset;
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1998-11-12 00:06:47 +00:00
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1998-11-15 05:29:17 +00:00
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while ((data_offset = wth->subtype_read(wth)) > 0) {
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i++;
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/*g_message("Parsing packet %d", i);*/
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callback(user, &wth->phdr, data_offset,
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buffer_start_ptr(&wth->frame_buffer));
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1998-11-12 00:06:47 +00:00
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}
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}
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