From 4ea2f227d3fb0d9591bb4f18555420ac47f3397d Mon Sep 17 00:00:00 2001
From: wimpie <wimpie>
Date: Fri, 02 Apr 2004 18:30:55 +0000
Subject: first import of NS2 app

---
(limited to 'noncore/settings/networksettings2/lancard/lancardrun.cpp')

diff --git a/noncore/settings/networksettings2/lancard/lancardrun.cpp b/noncore/settings/networksettings2/lancard/lancardrun.cpp
new file mode 100644
index 0000000..b3b592b
--- a/dev/null
+++ b/noncore/settings/networksettings2/lancard/lancardrun.cpp
@@ -0,0 +1,158 @@
+#include <qfile.h>
+#include <qtextstream.h>
+#include <resources.h>
+#include "lancardrun.h"
+
+void LanCardRun::detectState( NodeCollection * NC ) {
+
+    // unavailable : no card found
+    // available : card found and assigned to us or free
+    // up : card found and assigned to us and up
+
+    QString S = QString( "/tmp/profile-%1.up" ).arg(NC->number());
+    System & Sys = NSResources->system();
+    InterfaceInfo * Run;
+
+    QFile F( S );
+
+    if( F.open( IO_ReadOnly ) ) {
+      // could open file -> read interface and assign
+      QString X;
+      QTextStream TS(&F);
+      X = TS.readLine();
+      // find interface
+      if( handlesInterface( X ) ) {
+        for( QDictIterator<InterfaceInfo> It(Sys.interfaces());
+             It.current();
+             ++It ) {
+          Run = It.current();
+          if( X == Run->Name ) {
+            Run->assignNode( netNode() );
+            assignInterface( Run );
+            NC->setCurrentState( IsUp );
+            return;
+          }
+        }
+      }
+    } 
+
+    // we are certainly not UP
+    assignInterface( 0 );
+
+    // find possible interface
+    for( QDictIterator<InterfaceInfo> It(Sys.interfaces());
+         It.current();
+         ++It ) {
+      Run = It.current();
+      if( handlesInterface( Run->Name ) &&
+          Run->CardType == ARPHRD_ETHER &&
+          ! Run->IsUp
+        ) {
+        // proper type, and Not UP -> free
+        NC->setCurrentState( Off );
+        return;
+      }
+    }
+    // no free found
+
+    NC->setCurrentState( Unavailable );
+
+}
+
+bool LanCardRun::setState( NodeCollection * NC, Action_t A ) {
+
+    // we only handle activate and deactivate
+    switch( A ) {
+      case Activate :
+        { 
+          if( NC->currentState() != Off ) {
+            return 0;
+          }
+          InterfaceInfo * N = getInterface();
+          if( ! N ) {
+            // no interface available
+            NC->setCurrentState( Unavailable );
+            return 0;
+          }
+          // because we were OFF the interface
+          // we get back is NOT assigned
+          N->assignNode( netNode() );
+          assignInterface( N );
+          NC->setCurrentState( Available );
+          return 1;
+        }
+      case Deactivate :
+        if( NC->currentState() == IsUp ) {
+          // bring down first
+          if( ! connection()->setState( Down ) )
+            // could not ...
+            return 0;
+        }
+        if( NC->currentState() != Available ) {
+          return 1;
+        }
+        assignedInterface()->assignNode( 0 ); // release
+        assignInterface( 0 );
+        NC->setCurrentState( Off );
+        return 1;
+      default :
+        // FT
+        break;
+    }
+    return 0;
+}
+
+bool LanCardRun::canSetState( State_t Curr, Action_t A ) {
+    // we only handle up down activate and deactivate
+    switch( A ) {
+      case Activate :
+        { // at least available 
+          if( Curr == Available ) {
+            return 1;
+          }
+          // or we can make one available
+          InterfaceInfo * N = getInterface();
+          if( ! N || N->assignedNode() != 0 ) {
+            // non available or assigned
+            return 0;
+          }
+          return 1;
+        }
+      case Deactivate :
+        return ( Curr >= Available );
+      default :
+        // FT
+        break;
+    }
+    return 0;
+}
+
+// get interface that is free or assigned to us
+InterfaceInfo * LanCardRun::getInterface( void ) {
+
+    System & S = NSResources->system();
+    InterfaceInfo * best = 0, * Run;
+
+    for( QDictIterator<InterfaceInfo> It(S.interfaces());
+         It.current();
+         ++It ) {
+      Run = It.current();
+      if( handlesInterface( Run->Name ) &&
+          Run->CardType == ARPHRD_ETHER
+        ) {
+        // this is a LAN card
+        if( Run->assignedNode() == netNode() ) {
+          // assigned to us
+          return Run;
+        } else if( Run->assignedNode() == 0 ) {
+          // free
+          best = Run;
+        }
+      }
+    }
+    return best; // can be 0
+}
+
+bool LanCardRun::handlesInterface( const QString & S ) {
+    return Pat.match( S ) >= 0;
+}
--
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