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#include <stdlib.h>
#include <qpe/qpeapplication.h>
#include <qtextstream.h>
#include <qdir.h>
#include <qfile.h>
#include <qfileinfo.h>
#include "nsdata.h"
#include <asdevice.h>
#include <resources.h>
static QString CfgFile;
NetworkSettingsData::NetworkSettingsData( void ) {
// init global resources structure
new TheNSResources();
CfgFile.sprintf( "%s/NETCONFIG", getenv("HOME") );
// load settings
Force = 0;
IsModified = 0;
loadSettings();
}
// saving is done by caller
NetworkSettingsData::~NetworkSettingsData( void ) {
delete NSResources;
}
void NetworkSettingsData::loadSettings( void ) {
QString S;
ANetNodeInstance* NNI;
QString Attr, Value;
long idx;
QFile F( CfgFile );
QTextStream TS( &F );
do {
if( ! F.open(IO_ReadOnly) )
break;
/* load the file ->
FORMAT :
[NETNODETYPE]
Entries ...
<EMPTYLINE>
[connection]
Name=Name
Node=Name
<EMPTYLINE>
*/
while( ! TS.atEnd() ) {
S = TS.readLine();
if ( S.isEmpty() || S[0] != '[' )
continue;
S = S.mid( 1, S.length()-2 );
if( ! NSResources ) {
continue;
}
if( S == "connection" ) {
// load connections -> collections of nodes
NodeCollection * NC = new NodeCollection( TS );
NSResources->addConnection( NC );
} else {
// load nodes
NNI = NSResources->createNodeInstance( S );
if( ! NNI ) {
printf( "SKIPPING %s\n", S.latin1() );
}
do {
S = TS.readLine();
if( S.isEmpty() ) {
// empty line
break;
}
// node found ?
if( NNI ) {
idx = S.find( '=' );
if( idx > 0 ) {
Attr = S.left( idx );
Value = S.mid( idx+1, S.length() );
} else {
Value="";
Attr = S;
}
Value.stripWhiteSpace();
Attr.stripWhiteSpace();
Attr.lower();
// dequote Attr
Value = deQuote(Value);
// set the attribute
NNI->setAttribute( Attr, Value );
}
} while( 1 );
if( NNI ) {
// loading from file -> exists
NNI->setNew( FALSE );
NSResources->addNodeInstance( NNI );
}
}
}
} while( 0 );
}
QString NetworkSettingsData::saveSettings( void ) {
QString ErrS = "";
if( ! isModified() )
return ErrS;
QString S;
QFile F( CfgFile + ".bup" );
printf( "Saving settings to %s\n", CfgFile.latin1() );
if( ! F.open( IO_WriteOnly | IO_Truncate ) ) {
ErrS = qApp->translate( "NetworkSettings",
"<p>Could not save setup to %1 !</p>" ).
arg(CfgFile);
// problem
return ErrS;
}
QTextStream TS( &F );
{ Name2Connection_t & M = NSResources->connections();
ANetNodeInstance * NNI;
// for all connections
for( QDictIterator<NodeCollection> it(M);
it.current();
++it ) {
// all nodes in those connections
for( QListIterator<ANetNodeInstance> nit(*(it.current()));
nit.current();
++nit ) {
// header
NNI = nit.current();
TS << '[' <<NNI->netNode()->nodeName() << ']' << endl;
NNI->saveAttributes( TS );
TS << endl;
}
TS << "[connection]" << endl;
it.current()->save(TS);
}
}
QDir D(".");
D.rename( CfgFile + ".bup", CfgFile );
//
// proper files AND system files regenerated
//
setModified( 0 );
return ErrS;
}
QString NetworkSettingsData::generateSettings( bool ForceReq ) {
bool ForceIt;
QString S = "";
// include own force flag
ForceIt = (Force) ? 1 : ForceReq;
if( ! ForceIt && ! isModified() )
return S;
// regenerate system files
printf( "Generating settings from %s\n", CfgFile.latin1() );
{ Name2SystemFile_t & SFM = NSResources->systemFiles();
Name2Connection_t & M = NSResources->connections();
NodeCollection * NC;
ANetNodeInstance * NNI;
SystemFile * SF;
bool needToRegenerate = ForceIt;
//
// check if we need to generate at least one of the system files
//
if( ! ForceIt ) {
for( QDictIterator<SystemFile> sfit(SFM);
sfit.current();
++sfit ) {
SF = sfit.current();
// check if there are nodes that are modified and require
// data for this system file
// for all connections
for( QDictIterator<NodeCollection> ncit(M);
ncit.current();
++ncit ) {
NC = ncit.current();
if( NC->isModified() ) {
// does this connection 'touch' this system file ?
for( QListIterator<ANetNodeInstance> cncit(*NC);
cncit.current();
++cncit ) {
NNI = cncit.current();
if( NNI->netNode()->hasDataFor( SF->name() ) &&
NNI->isModified() ) {
needToRegenerate = 1;
break;
}
}
}
if( needToRegenerate )
break;
}
if( needToRegenerate )
break;
}
}
// we cannot renumber with a FORCE request since
// we probably are NOT going to save the config
// e.g. when using --regen option
if( ! ForceReq && needToRegenerate ) {
NSResources->renumberConnections();
setModified(1);
}
//
// generate files proper to each netnodeinstance
//
{ Name2Instance_t & NNIs = NSResources->netNodeInstances();
ANetNodeInstance * NNI;
for( QDictIterator<ANetNodeInstance> NNIIt(NNIs);
NNIIt.current();
++NNIIt
){
// for all nodes find those that are modified
NNI = NNIIt.current();
if( ForceIt || NNI->isModified() ) {
if( ! NNI->netNode()->generateProperFilesFor( NNI ) ) {
// problem generating
S = qApp->translate( "NetworkSettings",
"<p>Cannot generate files proper to %1</p>" ).
arg(NNI->netNode()->nodeName()) ;
return S;
}
}
}
}
//
// generate system files
//
for( QDictIterator<SystemFile> sfit(SFM);
sfit.current();
++sfit ) {
SF = sfit.current();
//
// regenerate current file
//
printf( "Generating %s\n", SF->name().latin1() );
SF->open();
do { // so we can break;
if( SF->preSection() ) {
S = qApp->translate( "NetworkSettings",
"<p>Error in preSection for file %1</p>" ).
arg( SF->name() );
return S;
}
for( QDictIterator<NodeCollection> ncit(M);
ncit.current();
++ncit ) {
NC = ncit.current();
// get the netnode that serves as the device for this
// connection
AsDevice * Dev = NC->device();
// generate 'entry' for every possible device this profile handles
for( QListIterator<ANetNodeInstance> cncit(*NC);
cncit.current();
++cncit ) {
NNI = cncit.current();
for( int i = 0; i < Dev->count(); i ++ ) {
if( NNI->netNode()->hasDataFor( SF->name() ) ) {
if( SF->preNodeSection( NNI, i ) ) {
S = qApp->translate( "NetworkSettings",
"<p>Error in preNodeSection for file %1 and node %2</p>" ).
arg( SF->name() ).
arg( NNI->netNode()->nodeName() );
return S;
}
if( NNI->netNode()->generateDataForCommonFile(*SF,i,NNI) ) {
S = qApp->translate( "NetworkSettings",
"<p>Error in node part for file %1 and node %2</p>" ).
arg( SF->name() ).
arg( NNI->netNode()->nodeName() );
return S;
}
if( SF->postNodeSection( NNI, i ) ) {
S = qApp->translate( "NetworkSettings",
"<p>Error in postNodeSection for file %1 and node %2</p>" ).
arg( SF->name() ).
arg( NNI->netNode()->nodeName() );
return S;
}
}
}
}
*SF << endl;
}
if( SF->postSection() ) {
S = qApp->translate( "NetworkSettings",
"<p>Error in postSection for file %1</p>" ).
arg( SF->name() );
return S;
}
} while( 0 );
SF->close();
}
}
Force = 0;
return S;
}
QList<NodeCollection> NetworkSettingsData::collectPossible( const char * Interface ) {
// collect connections that can work on top of this interface
NodeCollection * NC;
QList<NodeCollection> PossibleConnections;
Name2Connection_t & M = NSResources->connections();
// for all connections
for( QDictIterator<NodeCollection> it(M);
it.current();
++it ) {
NC = it.current();
// check if this profile handles the requested interface
if( NC->handlesInterface( Interface ) && // if different Intf.
NC->state() != Disabled && // if not enabled
NC->state() != IsUp // if already used
) {
PossibleConnections.append( NC );
}
}
return PossibleConnections;
}
/*
Called by the system to see if interface can be brought UP
if allowed, echo Interface-allowed else Interface-disallowed
*/
void NetworkSettingsData::canStart( const char * Interface ) {
// load situation
NodeCollection * NC = 0;
QList<NodeCollection> PossibleConnections;
PossibleConnections = collectPossible( Interface );
switch( PossibleConnections.count() ) {
case 0 : // no connections
break;
case 1 : // one connection
NC = PossibleConnections.first();
break;
default : // need to ask user ?
// are we connected to a server
// system( "su %d networksettings2 --prompt %s\n",
// "", Interface );
break;
}
if( NC ) {
switch( NC->state() ) {
case Unchecked :
case Unknown :
case Unavailable :
case Disabled :
// this profile does not allow interface to be UP
// -> try others
break;
case Off :
// try to UP the device
if( ! NC->setState( Activate ) ) {
// cannot bring device Online -> try other alters
break;
}
// FT
case Available :
case IsUp : // also called for 'ifdown'
// device is ready -> done
printf( "%s-c%d-allowed\n", Interface, NC->number() );
return;
}
} else {
// if we come here no alternatives are possible
printf( "%s-cnn-disallowed\n", Interface );
}
}
/*
Called by the system to regenerate config files
*/
bool NetworkSettingsData::regenerate( void ) {
QString S;
// load situation
S = generateSettings( TRUE );
if( ! S.isEmpty() ) {
fprintf( stdout, "%s\n", S.latin1() );
return 1;
}
return 0;
}
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