updated ChatClient.java, added ChordClient.java

git-svn-id: svn://anubis/gvsu@218 45c1a28c-8058-47b2-ae61-ca45b979098e

cs656/lab3/ChatClient.java

@@ -340,6 +340,9 @@ public class ChatClient
                 }
             }
         }
+
+		// Load the Chord properties files
+		PropertiesLoader.loadPropertyFile();
     }
 
     private static void usage()

cs656/lab3/ChordClient.java

@@ -0,0 +1,105 @@
+/**
+ * Some sample OpenChord code.  See OpenChord manual and javadocs for more detail.
+ * @author Jonathan Engelsma
+ */
+
+import java.net.InetAddress;
+import java.net.MalformedURLException;
+import de.uniba.wiai.lspi.chord.data.URL;
+import de.uniba.wiai.lspi.chord.service.*;
+import de.uniba.wiai.lspi.chord.service.impl.*;
+
+import java.util.*;
+import java.io.Serializable;
+
+public class ChordClient
+{
+	private Chord myChord;
+	
+	public Chord chord()
+	{
+	    return myChord;
+    }
+
+    public ChordClient(String masterHost, boolean master)
+    {
+		try
+		{
+			if (master)
+				createNetwork(masterHost);
+			else
+				joinNetwork(masterHost);				
+		}
+		catch (Exception e)
+		{
+			e.printStackTrace();
+		}
+	}
+    
+	public void createNetwork(String host)
+	{
+		System.out.println("Creating Chord network on \"" + host + "\"");
+		String protocol = URL.KNOWN_PROTOCOLS.get(URL.SOCKET_PROTOCOL);
+		URL localURL = null;
+		try
+		{
+			localURL = new URL( protocol + "://" + host + ":4242/");
+		}
+		catch (MalformedURLException e)
+		{
+			throw new RuntimeException(e);
+		}
+		
+		myChord = new ChordImpl();
+	
+		try
+		{
+			myChord.create(localURL);
+		}
+		catch (ServiceException e)
+		{
+			throw new RuntimeException("Error: Could not create DHT!", e);
+		}
+		
+	}
+	
+	public void joinNetwork(String host)
+	
+	{
+		System.out.println("Joining Chord network on \"" + host + "\"");		
+		String protocol = URL.KNOWN_PROTOCOLS.get(URL.SOCKET_PROTOCOL);		
+		URL localURL = null;
+		try
+		{
+			localURL = new URL(protocol + "://" + InetAddress.getLocalHost().getHostAddress() + ":4243/");			
+		}
+		catch (MalformedURLException e)
+		{
+			throw new RuntimeException(e);
+		}
+		catch (Exception ex)
+		{
+			throw new RuntimeException(ex);
+		}
+		
+		URL bootstrapURL = null;
+		try
+		{
+			bootstrapURL = new URL( protocol + "://" + host + ":4242/");	
+		}
+		catch (MalformedURLException e)
+		{
+			throw new RuntimeException (e);
+		}
+		myChord = new ChordImpl();
+		try
+		{
+			myChord.join(localURL , bootstrapURL);
+		}
+		catch (ServiceException e)
+		{
+			throw new RuntimeException("Error: Could not join DHT!", e);
+		}		
+					
+	}    
+}