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#include <sys/types.h>
#include <signal.h>
#include <errno.h>
#include <qdir.h>
#include <system.h>
#include <resources.h>
#include <netnode.h>
#include "GPRSrun.h"
State_t GPRSRun::detectState( void ) {
// is pppd still running ?
// is rfcomm still active
NetworkSetup * NC = networkSetup();
InterfaceInfo * I = NC->assignedInterface();
QDir D("/var/run");
if( I ) {
// has some pppx attached
return ( I->IsUp ) ? IsUp : Available;
}
// check ppp itself and figure out interface
odebug << "Check for ppp " << NC->name() << oendl;
if( D.exists( QString("ppp-")+removeSpaces(NC->name())+".pid") ) {
// get pid and check if pppd is still running
QFile F( D.path()+"/ppp-"+removeSpaces(NC->name())+".pid");
odebug << "PPP PID " << F.name() << oendl;
if( F.open( IO_ReadOnly ) ) {
QTextStream TS(&F);
QString X = TS.readLine();
PPPPid = X.toULong();
int rv;
rv = ::kill( PPPPid, 0 );
if( rv == 0 ||
( rv < 0 && errno == EPERM )
) {
// pppd is still up
X = TS.readLine();
I = NSResources->system().findInterface(X);
odebug << "ppp running : IFace " << X << " = " << (long)I << oendl;
if( I ) {
NC->assignInterface( I );
return (I->IsUp) ? IsUp : Available;
}
return Available;
} else {
// pppd is down
PPPPid = 0;
}
} // else pppd is down
}
NC->assignInterface( 0 );
return Unknown;
}
QString GPRSRun::setMyState( NetworkSetup * NC, Action_t A , bool ) {
if( A == Up ) {
// start ppp on deviceFile
QStringList SL;
SL << "pon"
<< removeSpaces( NC->name() )
<< NC->device()->deviceFile();
if( ! NSResources->system().execAsUser( SL ) ) {
return QString("Cannot start pppd for %1").arg(NC->name());
}
} else if ( A == Down ) {
if( PPPPid == 0 ) {
detectState();
}
if( PPPPid ) {
QStringList SL;
SL << "poff"
<< removeSpaces( NC->name() );
if( ! NSResources->system().execAsUser( SL ) ) {
return QString("Cannot terminate pppd for %1").arg(NC->name());
}
NC->assignInterface( 0 );
odebug << "ppp stopped " << oendl;
PPPPid = 0;
}
}
return QString();
}
bool GPRSRun::handlesInterface( const QString & S ) {
return Pat.match( S ) >= 0;
}
bool GPRSRun::handlesInterface( InterfaceInfo * I ) {
return handlesInterface( I->Name );
}
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