import socket


# Check whether a port is in use
def check_port_in_use(port, host='127.0.0.1'):
    s = None
    try:
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.settimeout(1)
        s.connect((host, int(port)))
        return True
    except socket.error:
        return False
    finally:
        if s:
            s.close()


# Get the IP address of the server
def get_ip():
    try:
        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        s.connect(('8.8.8.8', 80))
        ip = s.getsockname()[0]

    finally:
        s.close()
        return ip


# Check whether a server is active
def check_port(ip, port):
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.settimeout(1)

    try:
        result = sock.connect_ex((ip, port))
        if result == 0:
            return True
        else:
            return False

    except Exception as e:
        print(e)
        return False

    finally:
        sock.close()