svPacketData.h

00001 /**
00002  * Rapid-prototyping protection schemes with IEC 61850
00003  *
00004  * Copyright (c) 2012 Steven Blair
00005  *
00006  * This program is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU General Public License
00008  * as published by the Free Software Foundation; either version 2
00009  * of the License, or (at your option) any later version.
00010 
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015 
00016  * You should have received a copy of the GNU General Public License
00017  * along with this program; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00019  */
00020 
00021 #ifndef SV_PACKET_DATA_H
00022 #define SV_PACKET_DATA_H
00023 
00024 #include <stdlib.h>
00025 #include <string.h>
00026 #include "ctypes.h"
00027 
00028 #define SV_USE_VLAN                        0    // set to "1" to insert VLAN tag into SV packets
00029 #define SV_OPTIONAL_SUPPORTED            0    // set to "1" to enable output of optional items in SV packets (Wireshark does not support these)
00030 #define SV_FIXED_SMPCNT_CONFREV_SIZE    1    // set to "1" to force smpCnt and confRev field to be fixed size, rather than BER encoded
00031 
00032 #define SV_MAX_DATASET_SIZE     512//1024
00033 
00034 struct ASDU {
00035     unsigned char *svID;
00036     unsigned char *datset;            // optional
00037     CTYPE_INT16U smpCnt;
00038     CTYPE_INT32U confRev;
00039     //struct UtcTime refrTm;            // optional
00040     CTYPE_TIMESTAMP refrTm;            // optional
00041     CTYPE_BOOLEAN smpSynch;
00042     CTYPE_INT16U smpRate;            // optional
00043     int showDatset;
00044     int showRefrTm;
00045     int showSmpRate;
00046     struct data {
00047         unsigned char data[SV_MAX_DATASET_SIZE];
00048         CTYPE_INT32U size;
00049     } data;
00050 };
00051 
00052 struct svControl {
00053     struct ethHeaderData ethHeaderData;
00054     short noASDU;
00055     struct ASDU *ASDU;
00056     CTYPE_INT16U ASDUCount;                // stores present ASDU count; transmit a packet when equals "noASDU"
00057     CTYPE_INT16U sampleCountMaster;
00058     int (*update)(unsigned char *buf);    // function pointer to save next ASDU, and possible send SV packet
00059 };
00060 
00061 #endif