1 files changed, 128 insertions, 0 deletions
diff --git a/src/devreaderfactory.cpp b/src/devreaderfactory.cpp
new file mode 100644
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--- /dev/null
+++ b/src/devreaderfactory.cpp
@@ -0,0 +1,128 @@
+/***************************************************************************
+                             devreaderfactory.cpp
+                             --------------------
+    begin                : Fri Nov 16 2007
+    copyright            : (C) 2007 - 2012 by Roland Riegel
+    email                : feedback@roland-riegel.de
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "devreaderfactory.h"
+
+#include "config.h"
+
+#include "devreader.h"
+#include "devreader-bsd.h"
+#include "devreader-hpux.h"
+#include "devreader-linux-proc.h"
+#include "devreader-linux-sys.h"
+#include "devreader-linux.h"
+#include "devreader-solaris.h"
+
+#include <string>
+#include <list>
+#include <map>
+
+using namespace std;
+
+map<string, DevReader*> DevReaderFactory::m_devReaders;
+DevReaderFactory DevReaderFactory::m_instance;
+
+DevReaderFactory::DevReaderFactory()
+{
+}
+
+DevReaderFactory::~DevReaderFactory()
+{
+    for(map<string, DevReader*>::const_iterator it = m_devReaders.begin(); it != m_devReaders.end(); ++it)
+        delete it->second;
+
+    m_devReaders.clear();
+}
+
+int DevReaderFactory::findAllDevices()
+{
+#if defined HAVE_BSD
+    list<string> interfaceNames = DevReaderBsd::findAllDevices();
+#elif defined HAVE_HPUX
+    list<string> interfaceNames = DevReaderHpux::findAllDevices();
+#elif defined HAVE_LINUX
+    list<string> interfaceNames = DevReaderLinux::findAllDevices();
+#elif defined HAVE_SOLARIS
+    list<string> interfaceNames = DevReaderSolaris::findAllDevices();
+#endif
+
+    map<string, DevReader*>::iterator devReaderIt = m_devReaders.begin();
+    while(devReaderIt != m_devReaders.end())
+    {
+        list<string>::iterator interfaceIt = interfaceNames.begin();
+        list<string>::iterator interfaceItEnd = interfaceNames.end();
+        
+        while(*interfaceIt != devReaderIt->first && interfaceIt != interfaceItEnd)
+            ++interfaceIt;
+
+        // delete all devices which disappeared
+        if(interfaceIt == interfaceItEnd)
+        {
+            delete devReaderIt->second;
+            m_devReaders.erase(devReaderIt++);
+        }
+        // delete all entries in the interface name list which we know of already
+        else
+        {
+            interfaceNames.erase(interfaceIt);
+            devReaderIt++;
+        }
+    }
+    
+    // the interface name list now contains only devices which just appeared in the system
+    for(list<string>::const_iterator it = interfaceNames.begin(); it != interfaceNames.end(); ++it)
+    {
+        DevReader* newReader = createDevReader(*it);
+        if(newReader)
+            m_devReaders[*it] = newReader;
+    }
+    
+    return m_devReaders.size();
+}
+
+int DevReaderFactory::getDeviceCount()
+{
+    return m_devReaders.size();
+}
+
+const map<string, DevReader*>& DevReaderFactory::getAllDevReaders()
+{
+    return m_devReaders;
+}
+
+DevReader* DevReaderFactory::createDevReader(const string& deviceName)
+{
+    DevReader* reader = 0;
+    
+#if defined HAVE_BSD
+    reader = new DevReaderBsd(deviceName);
+#elif defined HAVE_HPUX
+    reader = new DevReaderHpux(deviceName);
+#elif defined HAVE_LINUX
+    if(DevReaderLinuxSys::isAvailable())
+        reader = new DevReaderLinuxSys(deviceName);
+    else if(DevReaderLinuxProc::isAvailable())
+        reader = new DevReaderLinuxProc(deviceName);
+    else
+        reader = 0;
+#elif defined HAVE_SOLARIS
+    reader = new DevReaderSolaris(deviceName);
+#endif
+
+    return reader;
+}
+