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authorGerald Combs <gerald@wireshark.org>1999-09-11 05:32:33 +0000
committerGerald Combs <gerald@wireshark.org>1999-09-11 05:32:33 +0000
commit72a668a88a6cbff1595c71cfdb13fc611a31ab66 (patch)
tree6cc23cc66c71a81e895a01eb8c52ca0ca10b0ebc /packet-ascend.c
parent70481fcc846e1455adcc5fa50b02cad71b28b966 (diff)
Oops - forgot to commit the Ascend header decoder..
svn path=/trunk/; revision=654
Diffstat (limited to 'packet-ascend.c')
-rw-r--r--packet-ascend.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/packet-ascend.c b/packet-ascend.c
new file mode 100644
index 0000000000..138ed25c84
--- /dev/null
+++ b/packet-ascend.c
@@ -0,0 +1,87 @@
+/* packet-ascend.c
+ * Routines for decoding Lucent/Ascend packet traces
+ *
+ * $Id: packet-ascend.c,v 1.1 1999/09/11 05:32:33 gerald Exp $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@zing.org>
+ *
+ * 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
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#include <glib.h>
+#include "packet.h"
+
+#include "wiretap/ascend.h"
+
+void
+dissect_ascend( const u_char *pd, frame_data *fd, proto_tree *tree ) {
+ proto_tree *fh_tree;
+ proto_item *ti;
+ ascend_pkthdr header;
+ static const value_string encaps_vals[] = {
+ {ASCEND_PFX_ETHER, "Ethernet" },
+ {ASCEND_PFX_PPP_X, "PPP Transmit"},
+ {ASCEND_PFX_PPP_R, "PPP Receive" },
+ {0, NULL } };
+
+ memcpy(&header, pd, ASCEND_PKTHDR_OFFSET);
+
+ /* load the top pane info. This should be overwritten by
+ the next protocol in the stack */
+ if(check_col(fd, COL_RES_DL_SRC))
+ col_add_str(fd, COL_RES_DL_SRC, "N/A" );
+ if(check_col(fd, COL_RES_DL_DST))
+ col_add_str(fd, COL_RES_DL_DST, "N/A" );
+ if(check_col(fd, COL_PROTOCOL))
+ col_add_str(fd, COL_PROTOCOL, "N/A" );
+ if(check_col(fd, COL_INFO))
+ col_add_str(fd, COL_INFO, "Lucent/Ascend packet trace" );
+
+ /* populate a tree in the second pane with the status of the link
+ layer (ie none) */
+ if(tree) {
+ ti = proto_tree_add_text(tree, 0, 0, "Lucent/Ascend packet trace" );
+ fh_tree = proto_item_add_subtree(ti, ETT_RAW);
+ proto_tree_add_text(fh_tree, 0, 0, "Link type: %s", val_to_str(header.type,
+ encaps_vals, "Unknown (%d)"));
+ proto_tree_add_text(fh_tree, 0, 0, "Username: %s", header.user);
+ proto_tree_add_text(fh_tree, 0, 0, "Session: %d", header.sess);
+ proto_tree_add_text(fh_tree, 0, 0, "Task: %08X", header.task);
+ }
+
+ /* The header is metadata, so we copy the packet data to the front */
+ /* XXX Maybe we should leave it in, and mark it as metadata, so that
+ it can be filtered upon? */
+ memmove(pd, pd + ASCEND_PKTHDR_OFFSET, fd->cap_len);
+ switch (header.type) {
+ case ASCEND_PFX_ETHER:
+ dissect_eth(pd, 0, fd, tree);
+ break;
+ case ASCEND_PFX_PPP_X:
+ case ASCEND_PFX_PPP_R:
+ dissect_ppp(pd, fd, tree);
+ break;
+ }
+}
+