Intentando limitar el numero de cliente que pueden usar el servidor

Cliente.py

@@ -14,7 +14,7 @@ def get_ip_address():
     return IP
 
 HOST =  get_ip_address()
-PORT = 2005
+PORT = 2002
 
 while True:
     with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
@@ -22,22 +22,27 @@ while True:
         try:
             s.connect(server_address)
         except ConnectionRefusedError:
-            print("Connection refused, try again later.")
-            sys.exit()  # Terminate the program
-        # Send a message immediately after connecting
+            print("Conexión rechazada, intente más tarde.")
+            sys.exit()
         message = "Conectando!"
         print('{!r}'.format(message))
         s.sendall(message.encode('utf-8'))
-        print('Esperando la respuesta')
-        while True:  # Keep the connection open until the user enters a command
+        data = s.recv(1024)
+        print("Received data from server: " + data.decode('utf-8'))
+        if data.decode('utf-8') == "Maximo numero de conexiones alcanzado. Por favor intente mas tarde.":
+            print("Conexiones máximas alcanzadas. Por favor intente más tarde.")
+            sys.exit()
+        while True:
             command = input("Entra comando (retirar o 'exit' para salir): ")
             if command.lower() == 'exit':
+                s.sendall(command.encode('utf-8'))
+                time.sleep(1)
                 break
             elif command.lower() == 'retirar':
                 amount = input("Entera la cantidad de dinero: ")
                 message = f"{command} {amount}"
             else:
                 print("Comando no reconocido")
-                message = command  # Send the unrecognized command to the server
+                message = command
             s.sendall(message.encode('utf-8'))
-
+        break

Cliente2.py

@@ -14,7 +14,7 @@ def get_ip_address():
     return IP
 
 HOST =  get_ip_address()
-PORT = 2005
+PORT = 2002
 
 while True:
     with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
@@ -22,22 +22,27 @@ while True:
         try:
             s.connect(server_address)
         except ConnectionRefusedError:
-            print("Connection refused, try again later.")
-            sys.exit()  # Terminate the program
-        # Send a message immediately after connecting
+            print("Conexión rechazada, intente más tarde.")
+            sys.exit()
         message = "Conectando!"
         print('{!r}'.format(message))
         s.sendall(message.encode('utf-8'))
-        print('Esperando la respuesta')
-        while True:  # Keep the connection open until the user enters a command
+        data = s.recv(1024)
+        print("Received data from server: " + data.decode('utf-8'))
+        if data.decode('utf-8') == "Maximo numero de conexiones alcanzado. Por favor intente mas tarde.":
+            print("Conexiones máximas alcanzadas. Por favor intente más tarde.")
+            sys.exit()
+        while True:
             command = input("Entra comando (retirar o 'exit' para salir): ")
             if command.lower() == 'exit':
+                s.sendall(command.encode('utf-8'))
+                time.sleep(1)
                 break
             elif command.lower() == 'retirar':
                 amount = input("Entera la cantidad de dinero: ")
                 message = f"{command} {amount}"
             else:
                 print("Comando no reconocido")
-                message = command  # Send the unrecognized command to the server
+                message = command
             s.sendall(message.encode('utf-8'))
-
+        break

Cliente3.py

@@ -14,7 +14,7 @@ def get_ip_address():
     return IP
 
 HOST =  get_ip_address()
-PORT = 2005
+PORT = 2002
 
 while True:
     with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
@@ -22,22 +22,27 @@ while True:
         try:
             s.connect(server_address)
         except ConnectionRefusedError:
-            print("Connection refused, try again later.")
-            sys.exit()  # Terminate the program
-        # Send a message immediately after connecting
+            print("Conexión rechazada, intente más tarde.")
+            sys.exit()
         message = "Conectando!"
         print('{!r}'.format(message))
         s.sendall(message.encode('utf-8'))
-        print('Esperando la respuesta')
-        while True:  # Keep the connection open until the user enters a command
+        data = s.recv(1024)
+        print("Received data from server: " + data.decode('utf-8'))
+        if data.decode('utf-8') == "Maximo numero de conexiones alcanzado. Por favor intente mas tarde.":
+            print("Conexiones máximas alcanzadas. Por favor intente más tarde.")
+            sys.exit()
+        while True:
             command = input("Entra comando (retirar o 'exit' para salir): ")
             if command.lower() == 'exit':
+                s.sendall(command.encode('utf-8'))
+                time.sleep(1)
                 break
             elif command.lower() == 'retirar':
                 amount = input("Entera la cantidad de dinero: ")
                 message = f"{command} {amount}"
             else:
                 print("Comando no reconocido")
-                message = command  # Send the unrecognized command to the server
+                message = command
             s.sendall(message.encode('utf-8'))
-
+        break

Cliente4.py

@@ -14,7 +14,7 @@ def get_ip_address():
     return IP
 
 HOST =  get_ip_address()
-PORT = 2005
+PORT = 2002
 
 while True:
     with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
@@ -22,22 +22,27 @@ while True:
         try:
             s.connect(server_address)
         except ConnectionRefusedError:
-            print("Connection refused, try again later.")
-            sys.exit()  # Terminate the program
-        # Send a message immediately after connecting
+            print("Conexión rechazada, intente más tarde.")
+            sys.exit()
         message = "Conectando!"
         print('{!r}'.format(message))
         s.sendall(message.encode('utf-8'))
-        print('Esperando la respuesta')
-        while True:  # Keep the connection open until the user enters a command
+        data = s.recv(1024)
+        print("Received data from server: " + data.decode('utf-8'))
+        if data.decode('utf-8') == "Maximo numero de conexiones alcanzado. Por favor intente mas tarde.":
+            print("Conexiones máximas alcanzadas. Por favor intente más tarde.")
+            sys.exit()
+        while True:
             command = input("Entra comando (retirar o 'exit' para salir): ")
             if command.lower() == 'exit':
+                s.sendall(command.encode('utf-8'))
+                time.sleep(1)
                 break
             elif command.lower() == 'retirar':
                 amount = input("Entera la cantidad de dinero: ")
                 message = f"{command} {amount}"
             else:
                 print("Comando no reconocido")
-                message = command  # Send the unrecognized command to the server
+                message = command
             s.sendall(message.encode('utf-8'))
-
+        break

ServidorCajero.py

@@ -1,8 +1,9 @@
 import socket
+import sys
 import threading
 
 HOST = ''
-PORT = 2005
+PORT = 2002
 MAX_CONNECTIONS = 3
 MAX_DINERO = 120000
 connections = 0
@@ -11,21 +12,29 @@ max_connections_reached = False  # Add a flag for max connections reached
 def handle_client(client_socket, addr):
     global connections
     global MAX_DINERO
-    global max_connections_reached  # Access the global flag
     print(f"cliente conectado {addr})")
     connections += 1
-    if connections < MAX_CONNECTIONS:
-        max_connections_reached = False  # Reset the flag when connections drop below max
+    if connections > MAX_CONNECTIONS:
+        response = "Maximo numero de conexiones alcanzado. Por favor intente mas tarde."
+        client_socket.sendall(response.encode('utf-8'))
+        client_socket.close()
+        return
     print(f"Conexiones activas: {connections}")
-    client_socket.settimeout(60)  # Set a timeout of 60 seconds
-    while True:
-        try:
-            datos = client_socket.recv(1024)
+    try:
+        while True:
+            try:
+                datos = client_socket.recv(1024)
+            except ConnectionResetError:
+                print("Connection was closed by the client.")
+                break
             if not datos:
                 print("No data received from client. Closing connection.")
-                break  # Close the connection when no data is received
+                break
             decoded_data = datos.decode('utf-8')
-            if ' ' in decoded_data:
+            if decoded_data.lower() == 'conectando!':
+                response = "Connection successful!"
+                client_socket.sendall(response.encode('utf-8'))
+            elif ' ' in decoded_data:
                 command, amount = decoded_data.split()
                 amount = int(amount)
                 if command.lower() == 'retirar':
@@ -37,25 +46,25 @@ def handle_client(client_socket, addr):
                     else:
                         response = "Saldo insuficiente por favor intente mas tarde."
                     client_socket.sendall(response.encode('utf-8'))
+                elif command.lower() == 'exit':
+                    break
             else:
                 print(f"Received unexpected data: {decoded_data}")
-        except socket.timeout:
-            print("Client did not send data within the timeout period.")
-    connections -= 1
-    print(f"Conexiones activas: {connections}")
-    client_socket.close()
+    except socket.timeout:
+        print("Client did not send data within the timeout period.")
+    finally:
+        connections -= 1
+        print(f"Conexiones activas: {connections}")
+        client_socket.close()
+
+while True:
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+        server_address = (HOST, PORT)
+        s.bind(server_address)
+        s.listen(MAX_CONNECTIONS)
+        while True:
+            if connections < MAX_CONNECTIONS:
+                client_socket, addr = s.accept()
+                client_thread = threading.Thread(target=handle_client, args=(client_socket, addr))
+                client_thread.start()
 
-with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
-    s_addr = (HOST, PORT)
-    s.bind(s_addr)
-    s.listen(MAX_CONNECTIONS)
-    while True:
-        if connections >= MAX_CONNECTIONS:
-            if not max_connections_reached:  # Only print the message if the flag is False
-                print('Maximo de conexiones alcanzado, esperando a que se libere una conexion.')
-                max_connections_reached = True  # Set the flag to True after printing the message
-            continue
-        client_socket, addr = s.accept()
-        client_thread = threading.Thread(target=handle_client, args=(client_socket, addr))
-        client_thread.daemon = True
-        client_thread.start()