From d252822cba323c53ee2e8f0ec58cd217bc85e1c5 Mon Sep 17 00:00:00 2001
From: "M.Scholz" <m.scholz88@onlinehome.de>
Date: Thu, 1 Nov 2012 13:32:16 +0100
Subject: [PATCH] added CMD_SPLIT. sequence "0t", "-e", "-s", "-t" will produce
 "test" on top of the stack

---
 GIT/P2P/uebungen/2/p2p_ex2/src/NetworkStack.java | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/GIT/P2P/uebungen/2/p2p_ex2/src/NetworkStack.java b/GIT/P2P/uebungen/2/p2p_ex2/src/NetworkStack.java
index 10664db2..15c6740b 100644
--- a/GIT/P2P/uebungen/2/p2p_ex2/src/NetworkStack.java
+++ b/GIT/P2P/uebungen/2/p2p_ex2/src/NetworkStack.java
@@ -1,19 +1,13 @@
 package u1;
 
 import java.io.IOException;
-import java.net.DatagramPacket;
-import java.net.DatagramSocket;
-import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.SocketAddress;
-import java.net.SocketException;
 import java.nio.ByteBuffer;
 import java.nio.channels.DatagramChannel;
 import java.util.EmptyStackException;
 import java.util.Stack;
 
-import javax.sound.sampled.ReverbType;
-
 /* Truncated messages (happens after 1024 bytes) are not handled as such by the server.
  * 
  * 
@@ -32,6 +26,7 @@ class NetworkStack {
 	private DatagramChannel channel;
 	
 	protected static final byte CMD_PUSH = '0';
+	protected static final byte CMD_SPLIT = '-';
 	protected static final byte CMD_POP = '1';
 	protected static final byte CMD_PRINT = '2';
 
@@ -44,7 +39,7 @@ class NetworkStack {
 		channel = DatagramChannel.open();
 		channel.socket().bind(new InetSocketAddress(port));
 		
-		ByteBuffer buf = ByteBuffer.allocate(1024);
+		ByteBuffer buf = ByteBuffer.allocate(2);
 		buf.clear();
 
 
@@ -66,6 +61,13 @@ class NetworkStack {
 				System.out.println("Push " + value);
 				break;
 
+			case CMD_SPLIT:
+				String old = stack.pop();
+				String valueNew = old + new String(receivedData).substring(1).trim();
+				stack.push(valueNew);
+				System.out.println("Pop previous message: " + old + " and Push " + valueNew);
+				break;
+				
 			case CMD_POP:
 				try {
 					String popped = stack.pop() + '\n';