108 lines
3.6 KiB
Python
108 lines
3.6 KiB
Python
# Python imports
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import os, threading, time, pickle
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from multiprocessing.connection import Listener, Client
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# Lib imports
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import gi
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gi.require_version('Gtk', '3.0')
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from gi.repository import Gtk, GLib
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# Application imports
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class IPCServer:
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""" Create a listener so that other SolarFM instances send requests back to existing instance. """
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def __init__(self, ipc_address: str = '127.0.0.1', conn_type: str = "socket"):
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self.is_ipc_alive = False
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self._ipc_port = 4848
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self._ipc_address = ipc_address
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self._conn_type = conn_type
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self._ipc_authkey = b'' + bytes(f'solarfm-search_grep-ipc', 'utf-8')
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self._ipc_timeout = 15.0
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if conn_type == "socket":
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self._ipc_address = f'/tmp/solarfm-search_grep-ipc.sock'
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elif conn_type == "full_network":
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self._ipc_address = '0.0.0.0'
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elif conn_type == "full_network_unsecured":
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self._ipc_authkey = None
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self._ipc_address = '0.0.0.0'
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elif conn_type == "local_network_unsecured":
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self._ipc_authkey = None
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@daemon_threaded
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def create_ipc_listener(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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os.unlink(self._ipc_address)
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listener = Listener(address=self._ipc_address, family="AF_UNIX", authkey=self._ipc_authkey)
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elif "unsecured" not in self._conn_type:
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listener = Listener((self._ipc_address, self._ipc_port), authkey=self._ipc_authkey)
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else:
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listener = Listener((self._ipc_address, self._ipc_port))
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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.perf_counter()
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self.handle_message(conn, start_time)
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listener.close()
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def handle_message(self, conn, start_time) -> None:
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while True:
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msg = conn.recv()
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if not self.pause_fifo_update:
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if "SEARCH|" in msg:
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file = msg.split("SEARCH|")[1].strip()
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if file:
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GLib.idle_add(self._load_file_ui, file)
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conn.close()
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break
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if "GREP|" in msg:
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data = msg.split("GREP|")[1].strip()
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if data:
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GLib.idle_add(self._load_grep_ui, data)
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conn.close()
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break
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if msg in ['close connection', '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 lock up the connection for too long.
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end_time = time.perf_counter()
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if (end_time - start_time) > self._ipc_timeout:
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conn.close()
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break
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else:
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conn.close()
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break
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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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elif "unsecured" not in self._conn_type:
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conn = Client((self._ipc_address, self._ipc_port), authkey=self._ipc_authkey)
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else:
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conn = Client((self._ipc_address, self._ipc_port))
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conn.send(message)
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conn.close()
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except ConnectionRefusedError as e:
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print("Connection refused...")
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except Exception as e:
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print(repr(e))
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