/* packet-calcappprotocol.c * Routines for the Calculation Application Protocol, a test application of the * rsplib RSerPool implementation * http://tdrwww.exp-math.uni-essen.de/dreibholz/rserpool/ * * Copyright 2006 by Thomas Dreibholz * * $Id$ * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * Copied from README.developer * * 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 #define CALCAPPPROTOCOL_PAYLOAD_PROTOCOL_ID 0x29097603 /* Initialize the protocol and registered fields */ static int proto_calcappprotocol = -1; static int hf_message_type = -1; static int hf_message_flags = -1; static int hf_message_length = -1; static int hf_message_jobid = -1; static int hf_message_jobsize = -1; static int hf_message_completed = -1; /* Initialize the subtree pointers */ static gint ett_calcappprotocol = -1; static void dissect_calcappprotocol_message(tvbuff_t *, packet_info *, proto_tree *); /* Dissectors for messages. This is specific to CalcAppProtocol */ #define MESSAGE_TYPE_LENGTH 1 #define MESSAGE_FLAGS_LENGTH 1 #define MESSAGE_LENGTH_LENGTH 2 #define MESSAGE_JOBID_LENGTH 4 #define MESSAGE_JOBSIZE_LENGTH 8 #define MESSAGE_COMPLETED_LENGTH 8 #define MESSAGE_TYPE_OFFSET 0 #define MESSAGE_FLAGS_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH) #define MESSAGE_LENGTH_OFFSET (MESSAGE_FLAGS_OFFSET + MESSAGE_FLAGS_LENGTH) #define MESSAGE_JOBID_OFFSET (MESSAGE_LENGTH_OFFSET + MESSAGE_LENGTH_LENGTH) #define MESSAGE_JOBSIZE_OFFSET (MESSAGE_JOBID_OFFSET + MESSAGE_JOBID_OFFSET) #define MESSAGE_COMPLETED_OFFSET (MESSAGE_JOBSIZE_OFFSET + MESSAGE_JOBSIZE_OFFSET) #define CALCAPP_REQUEST_MESSAGE_TYPE 1 #define CALCAPP_ACCEPT_MESSAGE_TYPE 2 #define CALCAPP_REJECT_MESSAGE_TYPE 3 #define CALCAPP_ABORT_MESSAGE_TYPE 4 #define CALCAPP_COMPLETE_MESSAGE_TYPE 5 #define CALCAPP_KEEPALIVE_MESSAGE_TYPE 6 #define CALCAPP_KEEPALIVE_ACK_MESSAGE_TYPE 7 static const value_string message_type_values[] = { { CALCAPP_REQUEST_MESSAGE_TYPE, "CalcApp Request" }, { CALCAPP_ACCEPT_MESSAGE_TYPE, "CalcApp Accept" }, { CALCAPP_REJECT_MESSAGE_TYPE, "CalcApp Reject" }, { CALCAPP_ABORT_MESSAGE_TYPE, "CalcApp Abort" }, { CALCAPP_COMPLETE_MESSAGE_TYPE, "CalcApp Complete" }, { CALCAPP_KEEPALIVE_MESSAGE_TYPE, "CalcApp Keep-Alive" }, { CALCAPP_KEEPALIVE_ACK_MESSAGE_TYPE, "CalcApp Keep-Alive Ack" }, { 0, NULL } }; static void dissect_calcappprotocol_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *calcappprotocol_tree) { guint8 type; type = tvb_get_guint8(message_tvb, MESSAGE_TYPE_OFFSET); if (pinfo && (check_col(pinfo->cinfo, COL_INFO))) { col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(type, message_type_values, "Unknown CalcAppProtocol type")); } proto_tree_add_item(calcappprotocol_tree, hf_message_type, message_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, FALSE); proto_tree_add_item(calcappprotocol_tree, hf_message_flags, message_tvb, MESSAGE_FLAGS_OFFSET, MESSAGE_FLAGS_LENGTH, FALSE); proto_tree_add_item(calcappprotocol_tree, hf_message_length, message_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, FALSE); proto_tree_add_item(calcappprotocol_tree, hf_message_jobid, message_tvb, MESSAGE_JOBID_OFFSET, MESSAGE_JOBID_LENGTH, FALSE); proto_tree_add_item(calcappprotocol_tree, hf_message_jobsize, message_tvb, MESSAGE_JOBSIZE_OFFSET, MESSAGE_JOBSIZE_LENGTH, FALSE); proto_tree_add_item(calcappprotocol_tree, hf_message_completed, message_tvb, MESSAGE_COMPLETED_OFFSET, MESSAGE_COMPLETED_LENGTH, FALSE); } static int dissect_calcappprotocol(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree) { proto_item *calcappprotocol_item; proto_tree *calcappprotocol_tree; /* pinfo is NULL only if dissect_calcappprotocol_message is called from dissect_error cause */ if (pinfo) col_set_str(pinfo->cinfo, COL_PROTOCOL, "CalcAppProtocol"); /* In the interest of speed, if "tree" is NULL, don't do any work not necessary to generate protocol tree items. */ if (tree) { /* create the calcappprotocol protocol tree */ calcappprotocol_item = proto_tree_add_item(tree, proto_calcappprotocol, message_tvb, 0, -1, FALSE); calcappprotocol_tree = proto_item_add_subtree(calcappprotocol_item, ett_calcappprotocol); } else { calcappprotocol_tree = NULL; }; /* dissect the message */ dissect_calcappprotocol_message(message_tvb, pinfo, calcappprotocol_tree); return(TRUE); } /* Register the protocol with Wireshark */ void proto_register_calcappprotocol(void) { /* Setup list of header fields */ static hf_register_info hf[] = { { &hf_message_type, { "Type", "calcappprotocol.message_type", FT_UINT8, BASE_DEC, VALS(message_type_values), 0x0, NULL, HFILL } }, { &hf_message_flags, { "Flags", "calcappprotocol.message_flags", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_message_length, { "Length", "calcappprotocol.message_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_message_jobid, { "JobID", "calcappprotocol.message_jobid", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_message_jobsize, { "JobSize", "calcappprotocol.message_jobsize", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_message_completed, { "Completed", "calcappprotocol.message_completed", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_calcappprotocol }; /* Register the protocol name and description */ proto_calcappprotocol = proto_register_protocol("Calculation Application Protocol", "CalcAppProtocol", "calcappprotocol"); /* Required function calls to register the header fields and subtrees used */ proto_register_field_array(proto_calcappprotocol, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); } void proto_reg_handoff_calcappprotocol(void) { dissector_handle_t calcappprotocol_handle; calcappprotocol_handle = new_create_dissector_handle(dissect_calcappprotocol, proto_calcappprotocol); dissector_add_uint("sctp.ppi", CALCAPPPROTOCOL_PAYLOAD_PROTOCOL_ID, calcappprotocol_handle); }