/***************************************************************************
* Copyright (C) November 28, 2008 by Mattias Runge *
* mattias@runge.se *
* canidtranslator.cpp *
* *
* 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. *
***************************************************************************/
#include "canidtranslator.h"
CanIdTranslator* CanIdTranslator::myInstance = NULL;
CanIdTranslator& CanIdTranslator::getInstance()
{
if (myInstance == NULL)
{
myInstance = new CanIdTranslator();
}
return *myInstance;
}
void CanIdTranslator::deleteInstance()
{
delete myInstance;
myInstance = NULL;
}
CanIdTranslator::CanIdTranslator()
{
SyslogStream &slog = SyslogStream::getInstance();
string filename = Settings::get("CanIdXMLFile");
if (file_exists(filename))
{
xmlNode.load(filename.c_str());
slog << "Loading definitions from " + filename + ".\n";
}
else
{
slog << "CanIdXMLFile is not defined in the config file, this will probably not work at all.\n";
}
}
string CanIdTranslator::lookupClassName(int classId)
{
XmlNode classesNode = xmlNode.findChild("classes");
vector<XmlNode> classNodes = classesNode.getChildren();
for (int n = 0; n < classNodes.size(); n++)
{
map<string, string> attributes = classNodes[n].getAttributes();
if (stoi(attributes["id"]) == classId)
{
return attributes["name"];
}
}
return "";
}
int CanIdTranslator::resolveClassId(string className)
{
XmlNode classesNode = xmlNode.findChild("classes");
vector<XmlNode> classNodes = classesNode.getChildren();
for (int n = 0; n < classNodes.size(); n++)
{
map<string, string> attributes = classNodes[n].getAttributes();
if (attributes["name"].compare(className) == 0)
{
return stoi(attributes["id"]);
}
}
return -1;
}
string CanIdTranslator::lookupCommandName(int commandId, string moduleName)
{
XmlNode commandsNode = xmlNode.findChild("commands");
vector<XmlNode> commandNodes = commandsNode.getChildren();
for (int n = 0; n < commandNodes.size(); n++)
{
map<string, string> attributes = commandNodes[n].getAttributes();
if (commandId >= 128)
{
if (stoi(attributes["id"]) == commandId && attributes["module"] == moduleName)
{
return attributes["name"];
}
}
else if (stoi(attributes["id"]) == commandId)
{
return attributes["name"];
}
}
return "";
}
int CanIdTranslator::resolveCommandId(string commandName, string moduleName)
{
XmlNode commandsNode = xmlNode.findChild("commands");
vector<XmlNode> commandNodes = commandsNode.getChildren();
for (int n = 0; n < commandNodes.size(); n++)
{
map<string, string> attributes = commandNodes[n].getAttributes();
if (attributes["name"].compare(commandName) == 0)
{
int commandId = stoi(attributes["id"]);
if (commandId >= 128)
{
if (attributes["module"] == moduleName)
{
return commandId;
}
}
else
{
return commandId;
}
}
}
return -1;
}
string CanIdTranslator::lookupNMTCommandName(int commandId)
{
XmlNode commandsNode = xmlNode.findChild("nmt_messages");
vector<XmlNode> commandNodes = commandsNode.getChildren();
for (int n = 0; n < commandNodes.size(); n++)
{
map<string, string> attributes = commandNodes[n].getAttributes();
if (stoi(attributes["id"]) == commandId)
{
return attributes["name"];
}
}
return "";
}
int CanIdTranslator::resolveNMTCommandId(string commandName)
{
XmlNode commandsNode = xmlNode.findChild("nmt_messages");
vector<XmlNode> commandNodes = commandsNode.getChildren();
for (int n = 0; n < commandNodes.size(); n++)
{
map<string, string> attributes = commandNodes[n].getAttributes();
if (attributes["name"].compare(commandName) == 0)
{
return stoi(attributes["id"]);
}
}
return -1;
}
string CanIdTranslator::getDefineId(string name, string group)
{
XmlNode definesNode = xmlNode.findChild("defines");
vector<XmlNode> defineNodes = definesNode.getChildren();
for (int n = 0; n < defineNodes.size(); n++)
{
map<string, string> attributes = defineNodes[n].getAttributes();
if (attributes["group"] == group && attributes["name"] == name)
{
return attributes["id"];
}
}
return "";
}
string CanIdTranslator::lookupDirectionFlag(int directionFlag)
{
XmlNode definesNode = xmlNode.findChild("defines");
vector<XmlNode> defineNodes = definesNode.getChildren();
for (int n = 0; n < defineNodes.size(); n++)
{
map<string, string> attributes = defineNodes[n].getAttributes();
if (attributes["group"].compare("DirectionFlag") == 0 && stoi(attributes["id"]) == directionFlag)
{
return attributes["name"];
}
}
return "";
}
int CanIdTranslator::resolveDirectionFlag(string directionName)
{
XmlNode definesNode = xmlNode.findChild("defines");
vector<XmlNode> defineNodes = definesNode.getChildren();
for (int n = 0; n < defineNodes.size(); n++)
{
map<string, string> attributes = defineNodes[n].getAttributes();
if (attributes["group"].compare("DirectionFlag") == 0 && attributes["name"].compare(directionName) == 0)
{
return stoi(attributes["id"]);
}
}
return -1;
}
string CanIdTranslator::lookupModuleName(int moduleId)
{
XmlNode modulesNode = xmlNode.findChild("modules");
vector<XmlNode> moduleNodes = modulesNode.getChildren();
for (int n = 0; n < moduleNodes.size(); n++)
{
map<string, string> attributes = moduleNodes[n].getAttributes();
if (stoi(attributes["id"]) == moduleId)
{
return attributes["name"];
}
}
return "";
}
int CanIdTranslator::resolveModuleId(string moduleName)
{
XmlNode modulesNode = xmlNode.findChild("modules");
vector<XmlNode> moduleNodes = modulesNode.getChildren();
for (int n = 0; n < moduleNodes.size(); n++)
{
map<string, string> attributes = moduleNodes[n].getAttributes();
if (attributes["name"].compare(moduleName) == 0)
{
return stoi(attributes["id"]);
}
}
return -1;
}
void CanIdTranslator::makeNMTDataValid(int commandId, map<string, CanVariable> &data)
{
vector<XmlNode> commandNodes = xmlNode.findChild("nmt_messages").getChildren();
for (int n = 0; n < commandNodes.size(); n++)
{
map<string, string> attributes = commandNodes[n].getAttributes();
if (stoi(attributes["id"]) == commandId)
{
XmlNode varablesNode = commandNodes[n].findChild("variables");
makeDataValid(varablesNode.getChildren(), data);
return;
}
}
}
void CanIdTranslator::makeDataValid(int commandId, string moduleName, map<string, CanVariable> &data)
{
vector<XmlNode> commandNodes = xmlNode.findChild("commands").getChildren();
for (int n = 0; n < commandNodes.size(); n++)
{
map<string, string> attributes = commandNodes[n].getAttributes();
if ((stoi(attributes["id"]) == commandId) || (commandId >= 128 && (stoi(attributes["id"]) == commandId && attributes["module"] == moduleName)))
{
XmlNode varablesNode = commandNodes[n].findChild("variables");
makeDataValid(varablesNode.getChildren(), data);
return;
}
}
}
void CanIdTranslator::makeDataValid(vector<XmlNode> variableNodes, map<string, CanVariable> &data)
{
///FIXME: Remove variables that do not exist in the xmlfile
for (int c = 0; c < variableNodes.size(); c++)
{
map<string, string> attributes = variableNodes[c].getAttributes();
if (data.find(attributes["name"]) != data.end())
{
data[attributes["name"]].setType(attributes["type"]);
data[attributes["name"]].setUnit(attributes["unit"]);
data[attributes["name"]].setBitLength(stoi(attributes["bit_length"]));
data[attributes["name"]].setStartBit(stoi(attributes["start_bit"]));
}
}
}
string CanIdTranslator::translateDataToHex(int commandId, string moduleName, map<string, CanVariable> &data)
{
makeDataValid(commandId, moduleName, data);
return translateValidDataToHex(data);
}
map<string, CanVariable> CanIdTranslator::translateData(int commandId, string moduleName, string dataHex)
{
vector<XmlNode> commandNodes = xmlNode.findChild("commands").getChildren();
for (int n = 0; n < commandNodes.size(); n++)
{
map<string, string> attributes = commandNodes[n].getAttributes();
if ((stoi(attributes["id"]) == commandId) || (commandId >= 128 && (stoi(attributes["id"]) == commandId && attributes["module"] == moduleName)))
{
XmlNode varablesNode = commandNodes[n].findChild("variables");
return translateData(varablesNode.getChildren(), dataHex);
}
}
map<string, CanVariable> variables;
return variables;
}
map<string, CanVariable> CanIdTranslator::translateNMTData(int commandId, string dataHex)
{
vector<XmlNode> commandNodes = xmlNode.findChild("nmt_messages").getChildren();
for (int n = 0; n < commandNodes.size(); n++)
{
map<string, string> attributes = commandNodes[n].getAttributes();
if (stoi(attributes["id"]) == commandId)
{
XmlNode varablesNode = commandNodes[n].findChild("variables");
return translateData(varablesNode.getChildren(), dataHex);
}
}
map<string, CanVariable> variables;
return variables;
}
string CanIdTranslator::translateNMTDataToHex(int commandId, map<string, CanVariable> &data)
{
makeNMTDataValid(commandId, data);
return translateValidDataToHex(data);
}
string CanIdTranslator::translateValidDataToHex(map<string, CanVariable> &data)
{
string bin = "0000000000000000000000000000000000000000000000000000000000000000";
int highestBit = 0;
for (map<string, CanVariable>::iterator iter = data.begin(); iter != data.end(); iter++)
{
if (iter->second.getType() == "uint")
{
if (iter->second.getStartBit() + iter->second.getBitLength() > highestBit)
highestBit = iter->second.getStartBit() + iter->second.getBitLength();
unsigned int a = stoi(iter->second.getValue());
bin.replace(iter->second.getStartBit(), iter->second.getBitLength(), uint2bin(a, iter->second.getBitLength()));
}
else if (iter->second.getType() == "float")
{
if (iter->second.getStartBit() + iter->second.getBitLength() > highestBit)
highestBit = iter->second.getStartBit() + iter->second.getBitLength();
bin.replace(iter->second.getStartBit(), iter->second.getBitLength(), float2bin(stof(iter->second.getValue()), iter->second.getBitLength()));
}
else if (iter->second.getType() == "ascii")
{
for (int n = 0; n < iter->second.getValue().length(); n++)
{
if (iter->second.getStartBit()+n*8 + 8 > highestBit)
highestBit = iter->second.getStartBit()+n*8 + 8;
bin.replace(iter->second.getStartBit()+n*8, 8, uint2bin((unsigned int)iter->second.getValue()[n], 8));
}
}
else if (iter->second.getType() == "hexstring")
{
for (int n = 0; n < iter->second.getValue().length(); n++)
{
if (iter->second.getStartBit()+n*4 + 4 > highestBit)
highestBit = iter->second.getStartBit()+n*4 + 4;
string character;
character += iter->second.getValue()[n];
bin.replace(iter->second.getStartBit()+n*4, 4, hex2bin(character));
}
}
}
bin = bin.substr(0, highestBit);
return bin2hex(bin);
}
map<string, CanVariable> CanIdTranslator::translateData(vector<XmlNode> variableNodes, string dataHex)
{
map<string, CanVariable> variables;
string dataBin = hex2bin(dataHex);
for (int c = 0; c < variableNodes.size(); c++)
{
map<string, string> attributes = variableNodes[c].getAttributes();
int bitStart = stoi(attributes["start_bit"]);
int bitLength = stoi(attributes["bit_length"]);
string bits = dataBin.substr(bitStart, bitLength);
CanVariable variable;
variable.setName(attributes["name"]);
variable.setType(attributes["type"]);
variable.setUnit(attributes["unit"]);
variable.setStartBit(bitStart);
variable.setBitLength(bitLength);
if (attributes["type"] == "uint")
{
variable.setValue(itos(bin2uint(bits)));
}
else if (attributes["type"] == "float")
{
variable.setValue(ftos(bin2float(bits)));
}
else if (attributes["type"] == "ascii")
{
string str;
for (int k = 0; k < bits.length(); k += 8)
{
str += (char)bin2uint(bits.substr(k, 8));
}
variable.setValue(str);
}
else if (attributes["type"] == "hexstring")
{
string str;
for (int k = 0; k < bits.length(); k += 4)
{
str += bin2hex(bits.substr(k, 4));
}
variable.setValue(str);
}
variables[attributes["name"]] = variable;
}
return variables;
}