Factored out non-gui data class

Added support for prompting

1 files changed, 438 insertions, 0 deletions

diff --git a/noncore/settings/networksettings2/nsdata.cpp b/noncore/settings/networksettings2/nsdata.cpp
new file mode 100644
index 0000000..9b2ad3a
--- a/dev/null
+++ b/noncore/settings/networksettings2/nsdata.cpp
@@ -0,0 +1,438 @@
+#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;
+    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;
+}
+