mirror of
https://github.com/Martin-P/OpenV2G.git
synced 2024-11-08 12:45:42 +00:00
doip files
git-svn-id: https://svn.code.sf.net/p/openv2g/code/trunk@23 d9f2db14-54d0-4bde-b00c-16405c910529
This commit is contained in:
parent
12bd32bd8a
commit
a7e1ab57dd
2 changed files with 185 additions and 0 deletions
117
src/transport/doIP.c
Normal file
117
src/transport/doIP.c
Normal file
|
@ -0,0 +1,117 @@
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (C) 2007-2010 Siemens AG
|
||||||
|
*
|
||||||
|
* This program is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU Lesser General Public License as published
|
||||||
|
* by the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Lesser General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*******************************************************************
|
||||||
|
*
|
||||||
|
* @author Sebastian.Kaebisch.EXT@siemens.com
|
||||||
|
* @version 0.3
|
||||||
|
* @contact Joerg.Heuer@siemens.com
|
||||||
|
*
|
||||||
|
********************************************************************/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* This file implements the DoIP header writer and reader.
|
||||||
|
* Note: Not all functions are implemented yet.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <stdint.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <stdint.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <math.h>
|
||||||
|
#include <string.h>
|
||||||
|
|
||||||
|
#include "doIP.h"
|
||||||
|
|
||||||
|
int write_doIPNack(uint8_t* outStream, uint32_t* outStreamLength, uint8_t nackCode)
|
||||||
|
{
|
||||||
|
/* if(outStreamLength<DOIP_HEADER_LENGTH+1)
|
||||||
|
return -1;*/
|
||||||
|
|
||||||
|
/* payload length=1 and nack payload type*/
|
||||||
|
*outStreamLength = 1;
|
||||||
|
|
||||||
|
write_doIPHeader(outStream,outStreamLength, DOIP_NEGATIVE_ACKNOWLEDGE);
|
||||||
|
outStream[8]=nackCode;
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int write_doIPHeader(uint8_t* outStream, uint32_t* outStreamLength, uint16_t payloadType)
|
||||||
|
{
|
||||||
|
|
||||||
|
/* write DoIP version number 1=byte */
|
||||||
|
outStream[0]=DOIP_VERSION;
|
||||||
|
|
||||||
|
/* write inverse DoIP version */
|
||||||
|
outStream[1]=DOIP_VERSION_INV;
|
||||||
|
|
||||||
|
|
||||||
|
/* write payload type */
|
||||||
|
outStream[2] = (uint8_t)(payloadType & 0xFF);
|
||||||
|
outStream[3] = (uint8_t)(payloadType >> 8 & 0xFF);
|
||||||
|
|
||||||
|
/* write payload length */
|
||||||
|
outStream[4] = (uint8_t)(*outStreamLength & 0xFF);
|
||||||
|
outStream[5] = (uint8_t)(*outStreamLength>>8 & 0xFF);
|
||||||
|
outStream[6] = (uint8_t)(*outStreamLength>>16 & 0xFF);
|
||||||
|
outStream[7] = (uint8_t)(*outStreamLength>>24 & 0xFF);
|
||||||
|
|
||||||
|
/* here, the outStream length have to be resized by the DoIP offset*/
|
||||||
|
*outStreamLength += DOIP_HEADER_LENGTH;
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int read_doIPHeader(uint8_t* inStream, size_t inStreamLength, uint32_t* payloadLength)
|
||||||
|
{
|
||||||
|
uint16_t payloadType=0;
|
||||||
|
|
||||||
|
|
||||||
|
/* check, if we support this DoIP version */
|
||||||
|
if(inStream[0]!=DOIP_VERSION && inStream[1]!=DOIP_VERSION_INV)
|
||||||
|
return DOIP_INCORRECT_PATTERN_FORMAT;
|
||||||
|
|
||||||
|
|
||||||
|
/* check, if we support this payload type*/
|
||||||
|
payloadType = inStream[3];
|
||||||
|
payloadType = (payloadType << 8 | inStream[2]);
|
||||||
|
|
||||||
|
if(payloadType != DOIP_EXI_TYPE && payloadType != DOIP_NEGATIVE_ACKNOWLEDGE)
|
||||||
|
return DOIP_UNKNOWN_PAYLOAD_TYPE;
|
||||||
|
|
||||||
|
|
||||||
|
/* determine payload length*/
|
||||||
|
*payloadLength = inStream[7];
|
||||||
|
*payloadLength = (*payloadLength << 8 | inStream[6]);
|
||||||
|
*payloadLength = (*payloadLength << 16 | inStream[5]);
|
||||||
|
*payloadLength = (*payloadLength << 24 | inStream[4]);
|
||||||
|
|
||||||
|
if((*payloadLength+DOIP_HEADER_LENGTH)!=inStreamLength)
|
||||||
|
return DOIP_INVALID_PAYLOAD_LENGTH;
|
||||||
|
|
||||||
|
/* if payload is a NACK read its NACK code and return it*/
|
||||||
|
/* TODO: should be handled by an extra method */
|
||||||
|
if(payloadType == DOIP_NEGATIVE_ACKNOWLEDGE)
|
||||||
|
return inStream[8];
|
||||||
|
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
68
src/transport/doIP.h
Normal file
68
src/transport/doIP.h
Normal file
|
@ -0,0 +1,68 @@
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (C) 2007-2010 Siemens AG
|
||||||
|
*
|
||||||
|
* This program is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU Lesser General Public License as published
|
||||||
|
* by the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Lesser General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*******************************************************************
|
||||||
|
*
|
||||||
|
* @author Sebastian.Kaebisch.EXT@siemens.com
|
||||||
|
* @version 0.3
|
||||||
|
* @contact Joerg.Heuer@siemens.com
|
||||||
|
*
|
||||||
|
********************************************************************/
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
extern "C" {
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef DOIP_H_
|
||||||
|
#define DOIP_H_
|
||||||
|
|
||||||
|
/* generic DoIP header length */
|
||||||
|
#define DOIP_HEADER_LENGTH 8
|
||||||
|
|
||||||
|
/* define DoIP Version */
|
||||||
|
#define DOIP_VERSION 0x01
|
||||||
|
#define DOIP_VERSION_INV 0xFE
|
||||||
|
|
||||||
|
/* define DoIP payload types*/
|
||||||
|
#define DOIP_NEGATIVE_ACKNOWLEDGE 0x0000
|
||||||
|
#define DOIP_EXI_TYPE 0xC350 /* == 50000 */
|
||||||
|
|
||||||
|
|
||||||
|
/* Generic DoIP Header NACK codes */
|
||||||
|
#define DOIP_INCORRECT_PATTERN_FORMAT 0x00
|
||||||
|
#define DOIP_UNKNOWN_PAYLOAD_TYPE 0x01
|
||||||
|
#define DOIP_MESSAGE_TOO_LARGE 0x02
|
||||||
|
#define DOIP_OUT_OF_MEMORY 0x03
|
||||||
|
#define DOIP_INVALID_PAYLOAD_LENGTH 0x04
|
||||||
|
|
||||||
|
/* EXI NACK code */
|
||||||
|
#define DOIP_INVALID_EXI_MESSAGE 0x05
|
||||||
|
|
||||||
|
|
||||||
|
/* DoIP methods */
|
||||||
|
int write_doIPNack(uint8_t* outStream, uint32_t* outStreamLength, uint8_t nackCode);
|
||||||
|
|
||||||
|
int write_doIPHeader(uint8_t* outStream, uint32_t* outStreamLength, uint16_t payloadType);
|
||||||
|
|
||||||
|
int read_doIPHeader(uint8_t* inStream, size_t inStreamLength, uint32_t* payloadLength);
|
||||||
|
|
||||||
|
#endif /* DOIP_H_ */
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
|
#endif
|
Loading…
Reference in a new issue