0b91b007db
both parts now uses byteorder, int.from_bytes() and data.to_bytes(). to compare values, raw data are cast to integer. furthermore encode() is nowhere used. at the moment the server listen at nr18.space at port 10001.
77 lines
1.9 KiB
Python
Executable file
77 lines
1.9 KiB
Python
Executable file
#!/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, byteorder
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def connection_handle(conn):
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bom = byteorder
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raw_data = conn.recv(1)
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print('Data recived: {}'.format(raw_data))
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data = int.from_bytes(raw_data, bom)
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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.to_bytes(1, bom))
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else:
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conn.send(b'\x03')
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else:
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print('Invalid argument')
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conn.send(b'3')
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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 = 'nr18.space'
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PORT = 10001
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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(5)
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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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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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conn.settimeout(3.0)
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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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if __name__ == '__main__':
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main()
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