/* ascend.c
*
- * $Id: ascend.c,v 1.27 2002/03/04 00:25:35 guy Exp $
+ * $Id$
*
* Wiretap Library
* Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
- *
+ *
* 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.
around quite a bit, otherwise I'd put a more specific URL here.
Example 'wandsess' output data:
-
+
RECV-iguana:241:(task: B02614C0, time: 1975432.85) 49 octets @ 8003BD94
- [0000]: FF 03 00 3D C0 06 CA 22 2F 45 00 00 28 6A 3B 40
- [0010]: 00 3F 03 D7 37 CE 41 62 12 CF 00 FB 08 20 27 00
- [0020]: 50 E4 08 DD D7 7C 4C 71 92 50 10 7D 78 67 C8 00
- [0030]: 00
+ [0000]: FF 03 00 3D C0 06 CA 22 2F 45 00 00 28 6A 3B 40
+ [0010]: 00 3F 03 D7 37 CE 41 62 12 CF 00 FB 08 20 27 00
+ [0020]: 50 E4 08 DD D7 7C 4C 71 92 50 10 7D 78 67 C8 00
+ [0030]: 00
XMIT-iguana:241:(task: B04E12C0, time: 1975432.85) 53 octets @ 8009EB16
- [0000]: FF 03 00 3D C0 09 1E 31 21 45 00 00 2C 2D BD 40
- [0010]: 00 7A 06 D8 B1 CF 00 FB 08 CE 41 62 12 00 50 20
- [0020]: 29 7C 4C 71 9C 9A 6A 93 A4 60 12 22 38 3F 10 00
- [0030]: 00 02 04 05 B4
+ [0000]: FF 03 00 3D C0 09 1E 31 21 45 00 00 2C 2D BD 40
+ [0010]: 00 7A 06 D8 B1 CF 00 FB 08 CE 41 62 12 00 50 20
+ [0020]: 29 7C 4C 71 9C 9A 6A 93 A4 60 12 22 38 3F 10 00
+ [0030]: 00 02 04 05 B4
Example 'wdd' output data:
Note that a maximum of eight rows will be displayed (for a maximum of
128 bytes), no matter what the octet count is.
-
- When reading a packet, the module prepends an ascend_pkt_hdr to the
+
+ When reading a packet, the module prepends an ascend_pkt_hdr to the
data.
*/
#define ASCEND_W1_SIZE (sizeof ascend_w1magic / sizeof ascend_w1magic[0])
#define ASCEND_W2_SIZE (sizeof ascend_w2magic / sizeof ascend_w2magic[0])
-static gboolean ascend_read(wtap *wth, int *err, long *data_offset);
-static int ascend_seek_read (wtap *wth, long seek_off,
- union wtap_pseudo_header *pseudo_header, guint8 *pd, int len);
+static gboolean ascend_read(wtap *wth, int *err, gchar **err_info,
+ long *data_offset);
+static gboolean ascend_seek_read(wtap *wth, long seek_off,
+ union wtap_pseudo_header *pseudo_header, guint8 *pd, int len,
+ int *err, gchar **err_info);
static void ascend_close(wtap *wth);
/* Seeks to the beginning of the next packet, and returns the
* Move to where the read for this packet should start, and return
* that seek offset.
*/
- if (file_seek(wth->fh, packet_off, SEEK_SET) == -1) {
- *err = file_error(wth->fh);
+ if (file_seek(wth->fh, packet_off, SEEK_SET, err) == -1)
return -1;
- }
return packet_off;
}
-int ascend_open(wtap *wth, int *err)
+int ascend_open(wtap *wth, int *err, gchar **err_info _U_)
{
long offset;
struct stat statbuf;
found it. */
wth->capture.ascend->next_packet_seek_start = offset;
- /* MAXen and Pipelines report the time since reboot. In order to keep
+ /* MAXen and Pipelines report the time since reboot. In order to keep
from reporting packet times near the epoch, we subtract the first
packet's timestamp from the capture file's ctime, which gives us an
offset that we can apply to each packet.
}
/* Read the next packet; called from wtap_loop(). */
-static gboolean ascend_read(wtap *wth, int *err, long *data_offset)
+static gboolean ascend_read(wtap *wth, int *err, gchar **err_info,
+ long *data_offset)
{
long offset;
guint8 *buf = buffer_start_ptr(wth->frame_buffer);
ascend_pkthdr header;
/* (f)lex reads large chunks of the file into memory, so file_tell() doesn't
- give us the correct location of the packet. Instead, we seek to the
+ give us the correct location of the packet. Instead, we seek to the
offset after the header of the previous packet and try to find the next
packet. */
if (file_seek(wth->fh, wth->capture.ascend->next_packet_seek_start,
- SEEK_SET) == -1) {
- *err = file_error(wth->fh);
+ SEEK_SET, err) == -1)
return FALSE;
- }
offset = ascend_seek(wth, ASCEND_MAX_SEEK, err);
if (offset == -1)
return FALSE;
if (! parse_ascend(wth->fh, buf, &wth->pseudo_header.ascend, &header, 0)) {
*err = WTAP_ERR_BAD_RECORD;
+ *err_info = g_strdup((ascend_parse_error != NULL) ? ascend_parse_error : "parse error");
return FALSE;
}
wth->phdr.ts.tv_usec = header.usecs;
wth->phdr.caplen = header.caplen;
wth->phdr.len = header.len;
- wth->phdr.pkt_encap = wth->file_encap;
wth->data_offset = offset;
*data_offset = offset;
return TRUE;
}
-static int ascend_seek_read (wtap *wth, long seek_off,
- union wtap_pseudo_header *pseudo_header, guint8 *pd, int len)
+static gboolean ascend_seek_read(wtap *wth, long seek_off,
+ union wtap_pseudo_header *pseudo_header, guint8 *pd, int len,
+ int *err, gchar **err_info)
{
- file_seek(wth->random_fh, seek_off, SEEK_SET);
- return parse_ascend(wth->random_fh, pd, &pseudo_header->ascend, NULL, len);
+ if (file_seek(wth->random_fh, seek_off, SEEK_SET, err) == -1)
+ return FALSE;
+ if (! parse_ascend(wth->random_fh, pd, &pseudo_header->ascend, NULL, len)) {
+ *err = WTAP_ERR_BAD_RECORD;
+ *err_info = g_strdup((ascend_parse_error != NULL) ? ascend_parse_error : "parse error");
+ return FALSE;
+ }
+ return TRUE;
}
static void ascend_close(wtap *wth)