From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001
From: Sven Eisenhauer <sven@sven-eisenhauer.net>
Date: Fri, 10 Nov 2023 15:11:48 +0100
Subject: add new repo

---
 .../hjp5/examples/EchoServer.java                  | 56 ++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Master/Reference Architectures and Patterns/hjp5/examples/EchoServer.java

(limited to 'Master/Reference Architectures and Patterns/hjp5/examples/EchoServer.java')

diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/EchoServer.java b/Master/Reference Architectures and Patterns/hjp5/examples/EchoServer.java
new file mode 100644
index 0000000..d0d93e0
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/EchoServer.java	
@@ -0,0 +1,56 @@
+/* EchoServer.java */
+
+import java.net.*;
+import java.io.*;
+
+public class EchoServer
+{
+  public static void main(String[] args)
+  {
+    int cnt = 0;
+    try {
+      System.out.println("Warte auf Verbindungen auf Port 7...");
+      ServerSocket echod = new ServerSocket(7);
+      while (true) {
+        Socket socket = echod.accept();
+        (new EchoClientThread(++cnt, socket)).start();
+      }
+    } catch (IOException e) {
+      System.err.println(e.toString());
+      System.exit(1);
+    }
+  }
+}
+
+class EchoClientThread
+extends Thread
+{
+  private int    name;
+  private Socket socket;
+
+  public EchoClientThread(int name, Socket socket)
+  {
+    this.name   = name;
+    this.socket = socket;
+  }
+
+  public void run()
+  {
+    String msg = "EchoServer: Verbindung " + name;
+    System.out.println(msg + " hergestellt");
+    try {
+      InputStream in = socket.getInputStream();
+      OutputStream out = socket.getOutputStream();
+      out.write((msg + "\r\n").getBytes());
+      int c;
+      while ((c = in.read()) != -1) {
+        out.write((char)c);
+        System.out.print((char)c);
+      }
+      System.out.println("Verbindung " + name + " wird beendet");
+      socket.close();
+    } catch (IOException e) {
+      System.err.println(e.toString());
+    }
+  }
+}
\ No newline at end of file
-- 
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