add example tcp/udp communication using socket

socket/TcpServer.py

@@ -0,0 +1,36 @@
+import socket
+import sys
+
+# Create a TCP/IP socket
+sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+# Bind the socket to the port
+server_address = ('localhost', 10000)
+print >>sys.stderr, 'starting up on %s port %s' % server_address
+sock.bind(server_address)
+
+# Listen for incoming connections
+sock.listen(1)
+
+while True:
+    # Wait for a connection
+    print >>sys.stderr, 'waiting for a connection'
+    connection, client_address = sock.accept()
+
+    try:
+        print >>sys.stderr, 'connection from', client_address
+
+        # Receive the data in small chunks and retransmit it
+        while True:
+            data = connection.recv(1024)
+            print >>sys.stderr, 'received "%s"' % data
+            if data:
+                print >>sys.stderr, 'sending data back to the client'
+                connection.sendall(data)
+            else:
+                print >>sys.stderr, 'no more data from', client_address
+                break
+            
+    finally:
+        # Clean up the connection
+        connection.close()