89 lines
2.7 KiB
Python
89 lines
2.7 KiB
Python
# Python imports
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import os, threading, time
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from multiprocessing.connection import Listener, Client
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# Lib imports
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# Application imports
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def threaded(fn):
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def wrapper(*args, **kwargs):
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threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=True).start()
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return wrapper
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class IPCServer:
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''' Create a listener so that other instances send requests back to existing instance. '''
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def __init__(self, conn_type: str = "socket"):
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self.is_ipc_alive = False
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self._conn_type = conn_type
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self.ipc_authkey = b'app-ipc'
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self.ipc_timeout = 15.0
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if conn_type == "socket":
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self.ipc_address = '/tmp/app-ipc.sock'
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else:
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self.ipc_address = '127.0.0.1'
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self.ipc_port = 8888
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@threaded
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def create_ipc_server(self) -> None:
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if self._conn_type == "socket":
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if os.path.exists(self.ipc_address):
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return
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listener = Listener(address=self.ipc_address, family="AF_UNIX", authkey=self.ipc_authkey)
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else:
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listener = Listener((self.ipc_address, self.ipc_port), authkey=self.ipc_authkey)
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self.is_ipc_alive = True
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while True:
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conn = listener.accept()
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start_time = time.time()
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print(f"New Connection: {listener.last_accepted}")
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while True:
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msg = conn.recv()
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if debug:
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print(msg)
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if "FILE|" in msg:
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file = msg.split("FILE|")[1].strip()
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if file:
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event_system.push_gui_event([None, "handle_file_from_ipc", (file,)])
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conn.close()
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break
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if msg == 'close connection':
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conn.close()
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break
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if msg == 'close server':
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conn.close()
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break
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# NOTE: Not perfect but insures we don't lockup the connection for too long.
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end_time = time.time()
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if (end - start) > self.ipc_timeout:
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conn.close()
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listener.close()
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def send_ipc_message(self, message: str = "Empty Data...") -> None:
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try:
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if self._conn_type == "socket":
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conn = Client(address=self.ipc_address, family="AF_UNIX", authkey=self.ipc_authkey)
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else:
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conn = Client((self.ipc_address, self.ipc_port), authkey=self.ipc_authkey)
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conn.send(message)
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conn.send('close connection')
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conn.close()
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except Exception as e:
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print(repr(e))
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