Armadilloフォーラム

import socket  
from datetime import datetime, timezone, timedelta  
import os  
 
def log_message(message):  
    """Log a message to temp.txt and print to console"""  
    log_path = 'temp.txt'  # ログファイルのパスを指定  
    add_header = not os.path.exists(log_path)  
 
    try:  
        with open(log_path, 'a') as f:  
            if add_header:  
                f.write("time,message\n")  
            jst = timezone(timedelta(hours=+9), 'JST')  
            current_time = datetime.now(jst).strftime('%Y-%m-%d %H:%M:%S')  
            log_entry = f"{current_time},{message}\n"  
            f.write(log_entry)  
            print(log_entry.strip())  # 標準出力に表示  
    except Exception as e:  
        print(f"Error writing to {log_path}: {e}")  
 
def start_server(host='0.0.0.0', port=58080):  
    server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)  
    try:  
        server_socket.bind((host, port))  
        server_socket.listen(1)  
        log_message(f"Server listening on {host}:{port}")  
 
        while True:  
            try:  
                log_message("Waiting for a connection...")  
                client_socket, addr = server_socket.accept()  
                log_message(f"Connection from {addr}")  
 
                while True:  
                    data = client_socket.recv(1024)  
                    if not data:  
                        log_message("No data received, closing connection.")  
                        break  
                    message = data.decode()  
                    log_message(f"Received from client: {message}")  
                    response = f"Echo: {message}"  
                    log_message(f"Sending response to client: {response}")  
                    client_socket.send(response.encode())  
            except Exception as e:  
                log_message(f"Error handling client: {e}")  
            finally:  
                client_socket.close()  
                log_message(f"Connection with client closed")  
    except Exception as e:  
        log_message(f"Server error: {e}")  
    finally:  
        server_socket.close()  
 
if __name__ == '__main__':  
    start_server() 

import socket  
 
def start_client(server_ip, server_port=58080):  
    client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)  
    client_socket.connect((server_ip, server_port))  
    print(f"Connected to server at {server_ip}:{server_port}")  
    client_socket.settimeout(5.0)  # タイムアウトを設定  
 
    try:  
        while True:  
            message = input("Enter message to send (type 'exit' to quit): ")  
            if message.lower() == 'exit':  
                break  
            client_socket.send(message.encode())  
            print("Message sent successfully")  # 送信完了メッセージを表示  
 
            try:  
                response = client_socket.recv(1024)  
                print(f"Received from server: {response.decode()}")  
            except socket.timeout:  
                print("No response from server, timed out.")  
    finally:  
        client_socket.close()  
        print("Connection closed")  
 
if __name__ == "__main__":  
    server_ip = 'XXX.XXX.XXX.XXX'  # サーバーのIPアドレスを指定  
    start_client(server_ip)