epan/dissectors/packet-h248_10.c

   1 /*
   2  *  packet-h248_10.c
   3  *
   4  * $Id$
   5  *
   6  *  H.248.10
   7  *  Gateway control protocol: Media gateway
   8  *  resource congestion handling package
   9  *
  10  *  (c) 2006, Luis E. Garcia Ontanon <luis@ontanon.org>
  11  *
  12  * Wireshark - Network traffic analyzer
  13  * By Gerald Combs <gerald@wireshark.org>
  14  * Copyright 1998 Gerald Combs
  15  *
  16  * This program is free software; you can redistribute it and/or
  17  * modify it under the terms of the GNU General Public License
  18  * as published by the Free Software Foundation; either version 2
  19  * of the License, or (at your option) any later version.
  20  *
  21  * This program is distributed in the hope that it will be useful,
  22  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24  * GNU General Public License for more details.
  25  *
  26  * You should have received a copy of the GNU General Public License
  27  * along with this program; if not, write to the Free Software
  28  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  29  *
  30  */
  31
  32 #include "config.h"
  33
  34 #include "packet-h248.h"
  35 #define PNAME  "H.248.10"
  36 #define PSNAME "H248CHP"
  37 #define PFNAME "h248.chp"
  38
  39 static int proto_h248_CHP = -1;
  40
  41 static int hf_h248_CHP_mgcon = -1;
  42 static int hf_h248_CHP_mgcon_reduction = -1;
  43
  44 static gint ett_h248_CHP = -1;
  45 static gint ett_h248_CHP_mgcon = -1;
  46
  47 static const value_string h248_CHP_prop_vals[] = {
  48         { 0, "chp (MG Congestion Handling)" },
  49         { 0, NULL }
  50 };
  51
  52 static const value_string h248_CHP_events_vals[] = {
  53         {1, "MGCon"},
  54         { 0, NULL }
  55 };
  56
  57 static const value_string h248_CHP_mgcon_params_vals[] = {
  58         {1, "reduction"},
  59         { 0, NULL }
  60 };
  61
  62
  63 static const h248_pkg_param_t h248_CHP_mgcon_params[] = {
  64         { 0x0001, &hf_h248_CHP_mgcon_reduction, h248_param_ber_integer, NULL },
  65         { 0, NULL, NULL, NULL}
  66 };
  67
  68
  69 static const h248_pkg_evt_t h248_CHP_mgcon_events[] = {
  70         { 0x0001, &hf_h248_CHP_mgcon, &ett_h248_CHP_mgcon, h248_CHP_mgcon_params, h248_CHP_mgcon_params_vals},
  71         { 0, NULL, NULL, NULL, NULL}
  72 };
  73
  74 static const h248_package_t h248_pkg_CHP = {
  75         0x0029,
  76         &proto_h248_CHP,
  77         &ett_h248_CHP,
  78
  79         h248_CHP_prop_vals,
  80         NULL,
  81         h248_CHP_events_vals,
  82         NULL,
  83
  84         NULL,
  85         NULL,
  86         h248_CHP_mgcon_events,
  87         NULL
  88 };
  89
  90 void proto_register_h248_dot10(void) {
  91         static hf_register_info hf[] = {
  92                 /* H.248.1 E.1  Generic Package */
  93                 { &hf_h248_CHP_mgcon, { "MGCon", "h248.chp.mgcon", FT_BYTES, BASE_NONE, NULL, 0, "This event occurs when the MG requires that the MGC start or finish load reduction.", HFILL }},
  94                 { &hf_h248_CHP_mgcon_reduction, { "Reduction", "h248.chp.mgcon.reduction", FT_UINT32, BASE_DEC, NULL, 0, "Percentage of the load that the MGC is requested to block", HFILL }},
  95         };
  96
  97         static gint *ett[] = {
  98                 &ett_h248_CHP,
  99                 &ett_h248_CHP_mgcon,
 100         };
 101
 102         proto_h248_CHP = proto_register_protocol(PNAME, PSNAME, PFNAME);
 103
 104         proto_register_field_array(proto_h248_CHP, hf, array_length(hf));
 105
 106         proto_register_subtree_array(ett, array_length(ett));
 107
 108         h248_register_package(&h248_pkg_CHP,REPLACE_PKG);
 109 }
 110
 111