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