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9d7aa2c51f
If a control socket was created, exit() would block due to the non-daemon thread. Mark the thread as daemon to allow for unclean shutdown.
65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
__author__ = 'jbjohnso'
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2014 Lenovo Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#This file is responsible for a client-side communication method to enable
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#capabilities like measuring and rearranging the terminal window for
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#wcons
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import atexit
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import os
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import socket
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import stat
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import threading
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class TermHandler(object):
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def __init__(self, path):
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self.path = path
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self.socket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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try:
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os.remove(path)
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except OSError: # if file does not exist, no big deal
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pass
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atexit.register(self.shutdown)
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self.socket.bind(path)
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os.chmod(path, stat.S_IWUSR | stat.S_IRUSR)
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th = threading.Thread(target=self.sockinteract)
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th.daemon = True
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th.start()
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def shutdown(self):
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try:
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os.remove(self.path)
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except OSError:
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pass
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def sockinteract(self):
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self.socket.listen(5)
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while True:
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connection = None
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try:
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connection, address = self.socket.accept()
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connection.sendall("confetty control v1--\n")
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cmd = connection.recv(8)
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if 'GETWINID' == cmd:
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connection.sendall(os.environ['WINDOWID'])
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connection.close()
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except BaseException:
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pass
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finally:
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if connection is not None:
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connection.close() |