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/* isi-commgr.c
* Dissector for ISI's commgr resource
* Copyright 2011, Klaus Kurzmann <mok@fluxnetz.de>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <glib.h>
#include <epan/prefs.h>
#include <epan/packet.h>
#include "packet-isi.h"
#include "isi-commgr.h"
static const value_string isi_commgr_id[] = {
{0x10, "PNS_SUBSCRIBED_RESOURCES_IND"},
{0x11, "PNS_SUBSCRIBED_RESOURCES_PMM_IND"},
{0x12, "PNS_SUBSCRIBED_RESOURCES_EXTEND_IND"},
{0x13, "PNS_SUBSCRIBED_RESOURCES_PMM_EXTEND_IND"},
{0x00, NULL}
};
static dissector_handle_t isi_commgr_handle;
static void dissect_isi_commgr(tvbuff_t *tvb, packet_info *pinfo, proto_item *tree);
static guint32 hf_isi_commgr_cmd = -1;
static guint32 hf_isi_commgr_resource_count = -1;
void proto_reg_handoff_isi_commgr(void) {
static gboolean initialized=FALSE;
if (!initialized) {
isi_commgr_handle = create_dissector_handle(dissect_isi_commgr, proto_isi);
dissector_add("isi.resource", 0x10, isi_commgr_handle);
}
}
void proto_register_isi_commgr(void) {
static hf_register_info hf[] = {
{ &hf_isi_commgr_cmd,
{ "Command", "isi.commgr.cmd", FT_UINT8, BASE_HEX, isi_commgr_id, 0x0, "Command", HFILL }},
{ &hf_isi_commgr_resource_count,
{ "Resource-Count", "isi.commgr.resource_count", FT_UINT8, BASE_DEC, NULL, 0x0, "Resource-Count", HFILL }},
};
proto_register_field_array(proto_isi, hf, array_length(hf));
register_dissector("isi.commgr", dissect_isi_commgr, proto_isi);
}
static void _show_resources(tvbuff_t *tvb, proto_tree *tree) {
guint8 cnt, f;
cnt = tvb_get_guint8(tvb, 1);
proto_tree_add_item(tree, hf_isi_commgr_resource_count, tvb, 1, 1, FALSE);
for(f = 0; f < cnt; f++) {
proto_tree_add_item(tree, hf_isi_res, tvb, 2+f, 1, FALSE);
}
}
static void dissect_isi_commgr(tvbuff_t *tvb, packet_info *pinfo, proto_item *isitree) {
proto_item *item = NULL;
proto_tree *tree = NULL;
guint8 cmd, code;
if(isitree) {
item = proto_tree_add_text(isitree, tvb, 0, -1, "Payload");
tree = proto_item_add_subtree(item, ett_isi_msg);
proto_tree_add_item(tree, hf_isi_commgr_cmd, tvb, 0, 1, FALSE);
cmd = tvb_get_guint8(tvb, 0);
switch (cmd) {
case 0x10: /* PNS_SUBSCRIBED_RESOURCES_IND */
col_set_str(pinfo->cinfo, COL_INFO, "Subscribed Resources Indication");
_show_resources(tvb, tree);
break;
case 0x11: /* PNS_SUBSCRIBED_RESOURCES_PMM_IND */
col_set_str(pinfo->cinfo, COL_INFO, "Subscribed Resources PMM Indication");
_show_resources(tvb, tree);
break;
case 0x12: /* PNS_SUBSCRIBED_RESOURCES_EXTEND_IND */
col_set_str(pinfo->cinfo, COL_INFO, "Subscribed Resources Extended Indication");
_show_resources(tvb, tree);
break;
case 0x13: /* PNS_SUBSCRIBED_RESOURCES_PMM_EXTEND_IND */
col_set_str(pinfo->cinfo, COL_INFO, "Subscribed Resources PMM Extended Indication");
_show_resources(tvb, tree);
break;
default:
col_set_str(pinfo->cinfo, COL_INFO, "unknown Indication packet");
expert_add_info_format(pinfo, item, PI_PROTOCOL, PI_WARN, "unsupported packet");
break;
}
}
}
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