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-rw-r--r--epan/dissectors/packet-media.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/epan/dissectors/packet-media.c b/epan/dissectors/packet-media.c
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+++ b/epan/dissectors/packet-media.c
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+/* packet-media.c
+ * Routines for displaying an undissected media type (default case),
+ * based on the generic "data" dissector.
+ *
+ * (C) Olivier Biot, 2004
+ *
+ * $Id$
+ *
+ * Refer to the AUTHORS file or the AUTHORS section in the man page
+ * for contacting the author(s) of this file.
+ *
+ * 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 <glib.h>
+#include <epan/packet.h>
+
+/* proto_media cannot be static because it's referenced in the
+ * print routines
+ */
+int proto_media = -1;
+
+static void
+dissect_media(tvbuff_t *tvb, packet_info *pinfo , proto_tree *tree)
+{
+ int bytes;
+
+ /* Add media type to the INFO column if it is visible */
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ col_append_fstr(pinfo->cinfo, COL_INFO, " (%s)", pinfo->match_string);
+ }
+
+ if (tree) {
+ bytes = tvb_length_remaining(tvb, 0);
+ if (bytes > 0) {
+ if (pinfo->private_data) {
+ /* The media type has parameters */
+ proto_tree_add_protocol_format(tree, proto_media, tvb, 0, bytes,
+ "Media Type: %s; %s (%d byte%s)",
+ pinfo->match_string, (char *)pinfo->private_data,
+ bytes, plurality(bytes, "", "s"));
+ } else {
+ /* The media type has no parameters */
+ proto_tree_add_protocol_format(tree, proto_media, tvb, 0, bytes,
+ "Media Type: %s (%d byte%s)",
+ pinfo->match_string,
+ bytes, plurality(bytes, "", "s"));
+ }
+ }
+ }
+}
+
+void
+proto_register_media(void)
+{
+ proto_media = proto_register_protocol (
+ "Media Type", /* name */
+ "Media", /* short name */
+ "media" /* abbrev */
+ );
+ register_dissector("media", dissect_media, proto_media);
+
+ /*
+ * "Media" is used to dissect something whose normal dissector
+ * is disabled, so it cannot itself be disabled.
+ */
+ proto_set_cant_toggle(proto_media);
+}