init.cpp

/**************
FILE          : init.cpp
***************
PROJECT       : SaX2 - library interface
              :
AUTHOR        : Marcus Schäfer <ms@suse.de>
              :
BELONGS TO    : SaX2 - SuSE advanced X11 configuration 
              : 
              :
DESCRIPTION   : native C++ class library to access SaX2
              : functionality. Easy to use interface for
              : //.../
              : - importing/exporting X11 configurations
              : - modifying/creating X11 configurations 
              : ---
              :
              :
STATUS        : Status: Development
**************/
#include "init.h"

namespace SaX {
//====================================
// Constructor...
//------------------------------------
SaXInit::SaXInit ( QList<const char*> opt ) {
        // .../
        // ----
        mOptions.append ((const char*)"--quiet");
        mOptions.append ((const char*)"no");
        const char* it;
        foreach (it,opt) {
                mOptions.append ( it );
        }
}

//====================================
// Constructor...
//------------------------------------
SaXInit::SaXInit ( void ) {
        // .../
        // ----
        mOptions.append ((const char*)"--quiet");
        mOptions.append ((const char*)"no");
}

//====================================
// needInit...
//------------------------------------
bool SaXInit::needInit (void) {
        // .../
        // ----
        if (! setLock()) {
                return false;
        }
        QFileInfo info (CACHE_CONFIG);
        if (! info.exists()) {
                unsetLock();
                return true;
        }
        unsetLock();
        return false;
}

//====================================
// ignoreProfile...
//------------------------------------
void SaXInit::ignoreProfile (void) {
        // .../
        // ----
        mOptions.append ((const char*)"-i");
}

//====================================
// setValidBusID...
//------------------------------------
void SaXInit::setValidBusID (void) {
        // .../
        // ----
        SaXProcessCall* proc = new SaXProcessCall ();
        QString sysp = "/usr/sbin/sysp -c | wc -l";
        proc -> addArgument ( GET_BASH );
        proc -> addArgument ( "-c" );
        proc -> addArgument ( sysp.ascii() );
        if ( ! proc -> start() ) {
                excProcessFailed();
                qError (errorString(),EXC_PROCESSFAILED);
                return;
        }
        QString optc;
        QString data = proc->readStdout().at(0);
        int count = data.toInt();
        if (count < 2) {
                mOptions.append ((const char*)"-b");
                mOptions.append ((const char*)"nobus");
        }
}

//====================================
// setPrimaryChip...
//------------------------------------
void SaXInit::setPrimaryChip (void) {
        // .../
        // ----
        SaXProcessCall* proc = new SaXProcessCall ();
        proc -> addArgument ( GET_PRIMARY );
        if ( ! proc -> start() ) {
                excProcessFailed();
                qError (errorString(),EXC_PROCESSFAILED);
                return;
        }
        QString* optc = new QString;
        QString data = proc->readStdout().at(0);
        int id = data.toInt();
        QTextOStream (optc) << id;
        mOptions.append ((const char*)"-c");
        mOptions.append ((const char*)optc->ascii());
        setValidBusID();
}

//====================================
// doInit...
//------------------------------------
void SaXInit::doInit (void) {
        // .../
        // ----
        if (! havePrivileges()) {
                excPermissionDenied();
                qError (errorString(),EXC_PERMISSIONDENIED);
                return;
        }
        if (setenv ("HW_UPDATE","1",1) != 0) {
                excInvalidArgument ( errno );
                qError (errorString(),EXC_INVALIDARGUMENT);
                return;
        }
        SaXProcessCall* proc = new SaXProcessCall ();
        proc -> addArgument ( SAX_INIT );
        const char* it;
        foreach (it,mOptions) {
                proc -> addArgument ( it );
        }
        if ( ! proc -> start() ) {
                excProcessFailed();
                qError (errorString(),EXC_PROCESSFAILED);
                return;
        }
}
} // end namespace