/* packet-calcappprotocol.c * Routines for the Calculation Application Protocol, a test application of the * rsplib RSerPool implementation * http://www.tdr.wiwi.uni-due.de/forschung/forschungsprojekte/reliable-server-pooling// * * Copyright 2006 by Thomas Dreibholz * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * Copied from README.developer * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "config.h" #include #include #define CALCAPPPROTOCOL_PAYLOAD_PROTOCOL_ID_LEGACY 0x29097603 void proto_register_calcappprotocol(void); void proto_reg_handoff_calcappprotocol(void); /* 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; /* 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); col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str_const(type, message_type_values, "Unknown CalcAppProtocol type")); proto_tree_add_item(calcappprotocol_tree, hf_message_type, message_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, ENC_BIG_ENDIAN); proto_tree_add_item(calcappprotocol_tree, hf_message_flags, message_tvb, MESSAGE_FLAGS_OFFSET, MESSAGE_FLAGS_LENGTH, ENC_BIG_ENDIAN); proto_tree_add_item(calcappprotocol_tree, hf_message_length, message_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, ENC_BIG_ENDIAN); proto_tree_add_item(calcappprotocol_tree, hf_message_jobid, message_tvb, MESSAGE_JOBID_OFFSET, MESSAGE_JOBID_LENGTH, ENC_BIG_ENDIAN); proto_tree_add_item(calcappprotocol_tree, hf_message_jobsize, message_tvb, MESSAGE_JOBSIZE_OFFSET, MESSAGE_JOBSIZE_LENGTH, ENC_BIG_ENDIAN); proto_tree_add_item(calcappprotocol_tree, hf_message_completed, message_tvb, MESSAGE_COMPLETED_OFFSET, MESSAGE_COMPLETED_LENGTH, ENC_BIG_ENDIAN); } static int dissect_calcappprotocol(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { proto_item *calcappprotocol_item; proto_tree *calcappprotocol_tree; 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, ENC_NA); 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 = create_dissector_handle(dissect_calcappprotocol, proto_calcappprotocol); dissector_add_uint("sctp.ppi", CALCAPPPROTOCOL_PAYLOAD_PROTOCOL_ID_LEGACY, calcappprotocol_handle); dissector_add_uint("sctp.ppi", CALCAPP_PAYLOAD_PROTOCOL_ID, calcappprotocol_handle); } /* * Editor modelines - http://www.wireshark.org/tools/modelines.html * * Local Variables: * c-basic-offset: 2 * tab-width: 8 * indent-tabs-mode: nil * End: * * ex: set shiftwidth=2 tabstop=8 expandtab: * :indentSize=2:tabSize=8:noTabs=true: */