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/* packet-dvb-ipdc.c
 * Routines for ETSI IP Datacast ESG Bootstrap parsing
 * Copyright 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
 *
 * $Id$
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * 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>


/* Initialize the protocol and registered fields */
static int proto_ipdc = -1;

static int hf_ipdc_esg_bootstrap_xml = -1;

/* Initialize the subtree pointers */
static gint ett_ipdc = -1;


enum {
	SUB_FLUTE,
	SUB_MAX,
};

static dissector_handle_t sub_handles[SUB_MAX];

#define UDP_PORT_IPDC_ESG_BOOTSTRAP 9214


/* Code to actually dissect the packets */
static void
dissect_ipdc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
	tvbuff_t *next_tvb;
	guint16 len;

	col_set_str(pinfo->cinfo, COL_PROTOCOL, "IPDC");
	col_clear(pinfo->cinfo, COL_INFO);

	/* call into flute */
	len = tvb_reported_length_remaining(tvb, 0);

	if (tree) {
		proto_item *ti;
		proto_tree *esg_tree;

		ti = proto_tree_add_protocol_format(tree, proto_ipdc,
				tvb, 0, len,
				"ESG Bootstrap");
		esg_tree = proto_item_add_subtree(ti, ett_ipdc);
	}


	next_tvb = tvb_new_subset(tvb, 0, len, len);
	call_dissector(sub_handles[SUB_FLUTE], next_tvb, pinfo, tree);
}

void
proto_register_dvb_ipdc(void)
{
	static hf_register_info hf[] = {
		{&hf_ipdc_esg_bootstrap_xml,
		 {"ESG Provider Discovery", "ipdc.bootstrap",
		  FT_STRING, BASE_NONE, NULL, 0x0,
		  "List of ESG Providers", HFILL}
		},
	};

	static gint *ett[] = {
		&ett_ipdc,
	};

	proto_ipdc =
	    proto_register_protocol("ETSI IPDC Bootstrap",
				    "ESG Bootstrap", "dvb_ipdc");
	proto_register_field_array(proto_ipdc, hf, array_length(hf));
	proto_register_subtree_array(ett, array_length(ett));

	register_dissector("dvb_ipdc", dissect_ipdc, proto_ipdc);
}

void
proto_reg_handoff_dvb_ipdc(void)
{
	dissector_handle_t ipdc_handle;

	sub_handles[SUB_FLUTE] = find_dissector("alc");

	ipdc_handle = create_dissector_handle(dissect_ipdc, proto_ipdc);
	dissector_add_uint("udp.port", UDP_PORT_IPDC_ESG_BOOTSTRAP, ipdc_handle);

}

/*
 * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
 *
 * Local variables:
 * c-basic-offset: 4
 * tab-width: 4
 * indent-tabs-mode: nil
 * End:
 *
 * vi: set shiftwidth=4 tabstop=4 expandtab:
 * :indentSize=4:tabSize=4:noTabs=true:
 */