You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
libiec61850/src/mms/inc_private/ber_encoder.h

104 lines
3.1 KiB
C

/*
* ber_encoder.h
*
* Copyright 2013-2018 Michael Zillgith
*
* This file is part of libIEC61850.
*
* libIEC61850 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 3 of the License, or
* (at your option) any later version.
*
* libIEC61850 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 libIEC61850. If not, see <http://www.gnu.org/licenses/>.
*
* See COPYING file for the complete license text.
*/
#ifndef BER_ENCODER_H_
#define BER_ENCODER_H_
#include "libiec61850_platform_includes.h"
#include "asn1_ber_primitive_value.h"
/*
* encoding functions
*
* Encoding to buffer starts at bufPos. The return value is the position in the buffer
* of the next entity to encode.
*/
LIB61850_INTERNAL int
BerEncoder_encodeLength(uint32_t length, uint8_t* buffer, int bufPos);
LIB61850_INTERNAL int
BerEncoder_encodeTL(uint8_t tag, uint32_t length, uint8_t* buffer, int bufPos);
LIB61850_INTERNAL int
BerEncoder_encodeBoolean(uint8_t tag, bool value, uint8_t* buffer, int bufPos);
LIB61850_INTERNAL int
BerEncoder_encodeStringWithTag(uint8_t tag, const char* string, uint8_t* buffer, int bufPos);
LIB61850_INTERNAL int
BerEncoder_encodeOctetString(uint8_t tag, uint8_t* octetString, uint32_t octetStringSize, uint8_t* buffer, int bufPos);
LIB61850_INTERNAL int
BerEncoder_encodeAsn1PrimitiveValue(uint8_t tag, Asn1PrimitiveValue* value, uint8_t* buffer, int bufPos);
LIB61850_INTERNAL int
BerEncoder_encodeUInt32(uint32_t value, uint8_t* buffer, int bufPos);
LIB61850_INTERNAL int
BerEncoder_encodeInt32(int32_t value, uint8_t* buffer, int bufPos);
LIB61850_INTERNAL int
BerEncoder_encodeUInt32WithTL(uint8_t tag, uint32_t value, uint8_t* buffer, int bufPos);
LIB61850_INTERNAL int
BerEncoder_encodeBitString(uint8_t tag, int bitStringSize, uint8_t* bitString, uint8_t* buffer, int bufPos);
LIB61850_INTERNAL int
BerEncoder_determineEncodedBitStringSize(int bitStringSize);
LIB61850_INTERNAL int
BerEncoder_encodeFloat(uint8_t* floatValue, uint8_t formatWidth, uint8_t exponentWidth,
uint8_t* buffer, int bufPos);
/*
* functions to determine size of encoded entities.
*/
LIB61850_INTERNAL int
BerEncoder_UInt32determineEncodedSize(uint32_t value);
LIB61850_INTERNAL int
BerEncoder_determineLengthSize(uint32_t length);
LIB61850_INTERNAL int
BerEncoder_determineEncodedStringSize(const char* string);
LIB61850_INTERNAL int
BerEncoder_determineEncodedBitStringSize(int bitStringSize);
/*
* helper functions
*/
LIB61850_INTERNAL int
BerEncoder_encodeOIDToBuffer(const char* oidString, uint8_t* buffer, int maxBufLen);
LIB61850_INTERNAL void
BerEncoder_revertByteOrder(uint8_t* octets, const int size);
LIB61850_INTERNAL int
BerEncoder_compressInteger(uint8_t* integer, int originalSize);
#endif /* BER_ENCODER_H_ */