From 7c9396d62e429e00e7fc4e0e334767ef4d978bd2 Mon Sep 17 00:00:00 2001
From: Denis <denis@denis-Rev-1-0.(none)>
Date: Thu, 29 Nov 2012 17:48:13 +0100
Subject: [PATCH] Added new Class to generate and remove a certain number of
 nodes randomly

---
 .../P2P/uebungen/4/src/RandomGenerator.java   | 72 +++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 ws2012/P2P/uebungen/4/src/RandomGenerator.java

diff --git a/ws2012/P2P/uebungen/4/src/RandomGenerator.java b/ws2012/P2P/uebungen/4/src/RandomGenerator.java
new file mode 100644
index 00000000..30497f7e
--- /dev/null
+++ b/ws2012/P2P/uebungen/4/src/RandomGenerator.java
@@ -0,0 +1,72 @@
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.Random;
+import java.util.logging.LogManager;
+
+import node.Node;
+
+public class RandomGenerator {
+
+	/**
+	 * @param args
+	 * @throws IOException
+	 */
+	public static void main(String[] args) throws IOException {
+		ArrayList<Node> nodes = new ArrayList<Node>();
+		Random gen = new Random();
+
+		System.setProperty("java.util.logging.config.file",
+				"logging.properties");
+
+		nodes.add(new Node());
+
+		try {
+			LogManager.getLogManager().readConfiguration();
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+
+		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
+		String s;
+		while ((s = in.readLine()) != null && s.length() != 0) {
+			String[] splitted = s.split(" ");
+
+			String cmd = splitted[0];
+			int number = Integer.valueOf(splitted[1]);
+
+			switch (cmd) {
+			case "br":
+				nodes.get(number).gatherInformationOfNetwork();
+				break;
+			case "populate":
+				for (int i = 0; i < number; i++) {
+					Node newNode = nodes.get(gen.nextInt(nodes.size())).spawn();
+					nodes.add(newNode);
+				}
+				break;
+			case "remove":
+				if(number < nodes.size()){
+				for (int i = 0; i < number; i++) {
+					int index = gen.nextInt(nodes.size());
+					nodes.get(index).leave();
+					nodes.remove(index);
+				} 
+				} else {
+					System.out.println("Can't remove that many nodes.");
+				}
+				break;
+			case "status":
+				System.out.println(nodes.get(number));
+				break;
+			default:
+				System.out.println("Unknown command.");
+				break;
+			}
+			System.out.println("Length of the List: " + nodes.size());
+
+		}
+	}
+
+}