def start_tcp_server_v3():

server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

server_socket.settimeout(100) # Set timeout to 100 seconds as specified in Simulink

host, port = ‘localhost’, 50000

server_socket.bind((host, port))

# Listen for incoming connections

print(“Server is listening…”)

client_socket, client_address = server_socket.accept()

print(f“Connection established with {client_address}”)

# Reset the timeout for the client socket

client_socket.settimeout(None)

# Get user input for the data to send

user_input = input(“Please enter a double value to send: “)

double_value = float(user_input)

print(“Invalid input. Please enter a valid double value.”)

data = struct.pack(‘>d’, double_value) # Big-endian byte order, type double

client_socket.sendall(data)

print(“Just sent: [ “+str(double_value)+” ]”)

except (BrokenPipeError, ConnectionResetError, ConnectionAbortedError):

print(“Client disconnected. Returning to listening mode.”)

client_socket.close() # Close the client socket

break # Break the inner loop to go back to listening for new connections

print(“Server timeout. No client connected.”)

except KeyboardInterrupt:

print(“Server is shutting down.”)

# Close client socket if it exists

if ‘client_socket’ in locals():

# Close the server socket

print(“Server has been closed.”)

# —————————————–