new file mode 100644
--- /dev/null
+++ b/monitor.cpp
@@ -0,0 +1,104 @@
+/*
+ *  $Id: monitor.cpp 54 2008-01-10 00:24:52Z mbroeker $
+ * $URL: http://localhost/svn/cpp/qMonitor/trunk/monitor.cpp $
+ */
+
+#include "include/monitor.h"
+#include "include/readerthread.h"
+
+#ifndef ICON_PATH
+#define ICON_PATH "/usr/share/icons/qMonitor_icon.png"
+#endif
+
+#define HTML_MESSAGE \
+"<p align='center'><h1>qMonitor</h1><br></p>" \
+"<p align='center'>" \
+"<li>W&auml;hlen Sie das Protokoll</li>" \
+"<li>W&auml;hlen Sie einen Port (0=ALLE)</li>" \
+"<li>Dr&uuml;cken Sie Start</li>" \
+"<br><br>" \
+"<h5>Dieses Programm zeigt den Traffic im Netz an und unterst&uuml;tzt Sie bei t&auml;glichen Aufgaben:</h5><br><br>" \
+"<li>Kontrolle der TCP/UDP Verbindungen</li>" \
+"<li>&Uuml;berwachung von textbasierten Serverdiensten</li>" \
+"<li>Protokollanalyse</li>" \
+"</p>"
+
+Monitor::Monitor (QWidget * parent)
+{
+    setupUi ((QDialog *) this);
+    textEdit->setReadOnly (true);
+
+    listWidget1->insertItem (0, "TCP");
+    listWidget1->insertItem (1, "UDP");
+    listWidget1->insertItem (2, "ICMP");
+    listWidget1->insertItem (3, "RAW");
+    listWidget1->insertItem (4, "IP");
+
+    Protocol["TCP"] = IPPROTO_TCP;
+    Protocol["UDP"] = IPPROTO_UDP;
+    Protocol["ICMP"] = IPPROTO_ICMP;
+    Protocol["RAW"] = IPPROTO_RAW;
+    Protocol["IP"] = IPPROTO_IP;
+
+    listWidget1->setCurrentRow (0);
+    lineEdit1->setText ("0");
+
+    setWindowIcon (QPixmap (ICON_PATH));
+
+    textEdit->insertHtml (HTML_MESSAGE);
+
+    try {
+        reader = new readerThread (this);
+    }
+    catch (std::exception const &e) {
+        textEdit->append (e.what ());
+        reader = NULL;
+    }
+
+    connect (pushButton1, SIGNAL (clicked ()), this, SLOT (startCapture ()));
+    connect (pushButton2, SIGNAL (clicked ()), this, SLOT (stopCapture ()));
+
+}
+
+Monitor::~Monitor ()
+{
+    if (reader != NULL)
+        delete reader;
+}
+
+void Monitor::startCapture ()
+{
+    textEdit->clear ();
+
+    if (reader != NULL) {
+        if (!reader->isRunning ())
+            reader->start (QThread::NormalPriority);
+    }
+}
+
+void Monitor::stopCapture ()
+{
+    if (reader != NULL) {
+        if (reader->isRunning ())
+            reader->terminate ();
+    }
+}
+
+int Monitor::getProtocol ()
+{
+    return Protocol[listWidget1->item (listWidget1->currentRow ())->text ()];
+}
+
+int Monitor::getPort ()
+{
+    return lineEdit1->text ().toInt ();
+}
+
+void Monitor::customEvent (QEvent * e)
+{
+    if (e->type () == MSG_EVENT) {
+        DataChangeEvent *me = (DataChangeEvent *) e;
+
+        textEdit->append (me->Text ());
+    }
+}