new examples

Author: furas

socket/Niezapisany dokument 1 renamed to socket/simple-server.py

@@ -1,29 +1,48 @@
+#!/usr/bin/env python3 
+
 import socket
 
 HOST, PORT = '', 8888
 
 listen_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+# to solve problem with 
 listen_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+
 listen_socket.bind((HOST, PORT))
 listen_socket.listen(1)
 
 print(f'Serving HTTP on port {PORT} ...')
 
 while True:
-    print ('1 - start')
-    client_connection, client_address = listen_socket.accept()
+
+    # ---
+    
+    print('start ')
+    
+    # --- accept new client ---
 
+    client_connection, client_address = listen_socket.accept()
+
+    # --- receive request ---
+        
     request_data = b''
 
     while True:
-        chunk = client_connection.recv(1)
-        request_data += chunk
-        print(chunk)
-        if request_data.endswith(b'\r\n\r\n'):
+        request_data += client_connection.recv(1) # get by char to easier recognize end of header
+        if request_data.endswith(b'\r\n\r\n'): # recognize end of header - empty line
             break
 
     print(request_data.decode('utf-8'))
 
+    # --- send response ---
+    
     client_connection.sendall(b"""HTTP/1.1 200 OK\n\nHello, World 3@!\n""")
+    
+    # --- close connection to client ---
+    
     client_connection.close()
-    print ('2 - end')
+    
+    # ----
+    
+    print('end')