new file mode 100644
--- /dev/null
+++ b/PacketReader.cpp
@@ -0,0 +1,63 @@
+/*
+ *  $Id: PacketReader.cpp 54 2008-01-10 00:24:52Z mbroeker $
+ * $URL: http://localhost/svn/cpp/qMonitor/trunk/PacketReader.cpp $
+ */
+
+#include <PacketReader.h>
+
+PacketReader::PacketReader (int tm)
+{
+    timeout = tm;
+
+    if ((p_socket = socket (PF_PACKET, SOCK_RAW, htons (ETH_P_ALL))) == -1) {
+        perror ("SocketException");
+        throw std::runtime_error ("SocketException: root access required");
+    }
+}
+
+PacketReader::PacketReader (std::string filename)
+{
+    if ((p_socket = open (filename.c_str (), O_RDONLY)) == -1) {
+        throw std::runtime_error ("FileException");
+    }
+
+    timeout = -1;
+}
+
+PacketReader::~PacketReader ()
+{
+    close (p_socket);
+}
+
+std::string PacketReader::read ()
+{
+    static char s[IP_MAXPACKET + 1];
+    int c;
+
+    c =::read (p_socket, s, IP_MAXPACKET);
+    s[c] = 0;
+    return std::string (s, c);
+}
+
+bool PacketReader::ready ()
+{
+    if (p_socket)
+        return true;
+
+    return false;
+}
+
+bool PacketReader::dataAvailable ()
+{
+    pollfd fdin;
+    int event = 1;
+
+    fdin.fd = p_socket;
+    fdin.events = POLLIN;
+    fdin.revents = 0;
+
+    if (poll (&fdin, event, timeout) > 0)
+        return true;
+
+    return false;
+}