diff options
Diffstat (limited to 'epan/dissectors/packet-media.c')
-rw-r--r-- | epan/dissectors/packet-media.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/epan/dissectors/packet-media.c b/epan/dissectors/packet-media.c new file mode 100644 index 0000000000..726da7a292 --- /dev/null +++ b/epan/dissectors/packet-media.c @@ -0,0 +1,88 @@ +/* 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); +} |