76 lines
1.8 KiB
Python
76 lines
1.8 KiB
Python
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#!/usr/bin/python3
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# file: server-clear.py
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# date: 26.07.2019
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# email: berhsi@web.de
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# server, who listen for connections for localhost, port 64000 and ipv4.
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import socket
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from time import time, ctime
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from sys import exit
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def connection_handle(conn):
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data = conn.recv(1).decode()
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if data == '0' or data == '1':
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if update_status(data) == True:
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conn.send(data.encode())
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else:
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conn.send(b'3')
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else:
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print('Invalid argument')
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return False
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return True
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def update_status(data):
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try:
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print('Update status ...')
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if data == '0':
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status = 'false'
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else:
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status = 'true'
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lastchange = str(time()).split('.')[0]
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print('Change status: {}: {}'.format(lastchange, status))
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except Exception as e:
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print('Error: {}'.format(e))
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return False
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return True
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def main():
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HOST = '127.0.0.1'
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PORT = 64000
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) as mySocket:
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print('Socket created')
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try:
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mySocket.bind((HOST, PORT))
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mySocket.listen()
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print('Listen on {} at Port {}'.format(HOST, PORT))
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except Exception as e:
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print('Error: unable to bind and listen')
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print('Error: {}'.format(e))
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while True:
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conn = None
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try:
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conn, addr = mySocket.accept()
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print('Connection from {}:{}'.format(addr[0], addr[1]))
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connection_handle(conn)
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except KeyboardInterrupt:
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print('\b\bExit')
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exit()
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except Exception as e:
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print('Error: {}'.format(e))
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finally:
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if conn:
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conn.close()
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if __name__ == '__main__':
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main()
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