diff --git a/cs654/proj1/KaZaServer.java b/cs654/proj1/KaZaServer.java
index 5c19ff1..6fea03a 100644
--- a/cs654/proj1/KaZaServer.java
+++ b/cs654/proj1/KaZaServer.java
@@ -7,6 +7,7 @@ public class KaZaServer implements Runnable
 {
     public static final int LISTEN_PORT = 3442;
     private ServerSocket m_serverSocket;
+    private HashMap<String, ClientInfo> m_clientData;
 
     public void run()
     {
@@ -32,17 +33,65 @@ public class KaZaServer implements Runnable
     {
     }
 
+    public String[] getClientList()
+    {
+        Set<String> s;
+        synchronized (m_clientData)
+        {
+            s = m_clientData.keySet();
+        }
+        return (String[]) s.toArray();
+    }
+
+    private class ClientInfo
+    {
+        String userName;
+    }
+
     private class ClientHandler implements Runnable
     {
-        Socket m_socket;
+        private Socket m_socket;
+        private String m_clientIP;
 
         public ClientHandler(Socket socket)
         {
             m_socket = socket;
+            m_clientIP = m_socket.getInetAddress().getHostAddress();
+            synchronized (m_clientData)
+            {
+                if (!m_clientData.containsKey(m_clientIP))
+                { 
+                    m_clientData.put(socket.getInetAddress().getHostAddress(),
+                            new ClientInfo());
+                }
+            }
         }
 
         public void run()
         {
+            try
+            {
+                BufferedReader br = new BufferedReader(
+                                        new InputStreamReader(
+                                            m_socket.getInputStream()));
+
+                /* loop processing client messages */
+                for (;;)
+                {
+                    String inLine = br.readLine();
+
+                    StringTokenizer tokens = new StringTokenizer(inLine);
+                    if (!tokens.hasMoreTokens())
+                        continue;
+
+                    String opCode = tokens.nextToken();
+                    opCode.toLowerCase();
+                    if (opCode.equals("HELO"))
+                    {
+                        /* user is announcing his or her username */
+                    }
+                }
+            } catch (Exception e) { }
         }
     }
 }