WebSVN – HomeAutomation – Diff – /trunk/PcSoftware/Atom/CanNet/canidtranslator.cpp


/***************************************************************************
 *   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();
 
        bool correct = false;
 
        if (commandId >= 128)
        {
            if (stoi(attributes["id"]) == commandId && attributes["module"] == moduleName)
            {
                correct = true;
            }
        }
        else if (stoi(attributes["id"]) == commandId)
        {
            correct = true;
        }
 
        if (correct)
        {
            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();
 
        bool correct = false;
 
        if (commandId >= 128)
        {
            if (stoi(attributes["id"]) == commandId && attributes["module"] == moduleName)
            {
                correct = true;
            }
        }
        else if (stoi(attributes["id"]) == commandId)
        {
            correct = true;
        }
 
        if (correct)
        {
            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 = stou(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));
            }
        }
    }
 
    try
    {
        bin = bin.substr(0, highestBit);
    }
    catch (std::out_of_range& e)
    {
        cout << "DEBUG: translateValidDataToHex exception: " << e.what() << "\n";
        cout << "DEBUG: A bin=" << bin << " :: highestBit=" << highestBit << endl;
    }
 
    return bin2hex(bin);
}
 
map<string, CanVariable> CanIdTranslator::translateData(vector<XmlNode> variableNodes, string dataHex)
{
    map<string, CanVariable> variables;
    string dataBin = hex2bin(dataHex);
    //dataBin = rpad(dataBin, 64, '0');
 
    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;
 
        try
        {
            bits = dataBin.substr(bitStart, bitLength);
        }
        catch (std::out_of_range& e)
        {
            return variables;
        }
 
        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(utos(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)
            {
                try
                {
                    str += (char)bin2uint(bits.substr(k, 8));
                }
                catch (std::out_of_range& e)
                {
                    cout << "DEBUG: TranslateData exception: " << e.what() << "\n";
                    cout << "DEBUG: B bits=" << bits << " :: k=" << k << endl;
                    continue;
                }
            }
 
            variable.setValue(str);
        }
        else if (attributes["type"] == "hexstring")
        {
            string str;
 
            for (int k = 0; k < bits.length(); k += 4)
            {
                try
                {
                    str += bin2hex(bits.substr(k, 4));
                }
                catch (std::out_of_range& e)
                {
                    cout << "DEBUG: TranslateData exception: " << e.what() << "\n";
                    cout << "DEBUG: C bits=" << bits << " :: k=" << k << endl;
                    continue;
                }
            }
 
            variable.setValue(str);
        }
 
        variables[attributes["name"]] = variable;
    }
 
    return variables;
}
 
 
 
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