# Python imports import os, threading, pickle from multiprocessing.connection import Listener, Client # Lib imports from gi.repository import GLib # Application imports class IPCServer: """ Create a listener so that other SolarFM instances send requests back to existing instance. """ def __init__(self, ipc_address: str = '127.0.0.1', conn_type: str = "socket"): self.is_ipc_alive = False self._ipc_port = 4848 self._ipc_address = ipc_address self._conn_type = conn_type self._ipc_authkey = b'' + bytes(f'solarfm-search_grep-ipc', 'utf-8') self._ipc_timeout = 15.0 if conn_type == "socket": self._ipc_address = f'/tmp/solarfm-search_grep-ipc.sock' elif conn_type == "full_network": self._ipc_address = '0.0.0.0' elif conn_type == "full_network_unsecured": self._ipc_authkey = None self._ipc_address = '0.0.0.0' elif conn_type == "local_network_unsecured": self._ipc_authkey = None @daemon_threaded def create_ipc_listener(self) -> None: if self._conn_type == "socket": if os.path.exists(self._ipc_address): os.unlink(self._ipc_address) listener = Listener(address=self._ipc_address, family="AF_UNIX", authkey=self._ipc_authkey) elif "unsecured" not in self._conn_type: listener = Listener((self._ipc_address, self._ipc_port), authkey=self._ipc_authkey) else: listener = Listener((self._ipc_address, self._ipc_port)) self.is_ipc_alive = True while True: conn = listener.accept() if not self.pause_fifo_update: self.handle_message(conn) else: conn.close() listener.close() def handle_message(self, conn) -> None: while True: msg = conn.recv() try: if "SEARCH|" in msg: ts, file = msg.split("SEARCH|")[1].strip().split("|", 1) timestamp = float(ts) if file and (timestamp > self.fsearch_time_stamp): GLib.idle_add(self._load_file_ui, file, priority=GLib.PRIORITY_HIGH_IDLE) if "GREP|" in msg: ts, data = msg.split("GREP|")[1].strip().split("|", 1) timestamp = float(ts) if data and (timestamp > self.grep_time_stamp): GLib.idle_add(self._load_grep_ui, data, priority=GLib.PRIORITY_HIGH_IDLE) if "SEARCH_DONE|" in msg: ts, ret_code = msg.split("SEARCH_DONE|")[1].strip().split("|", 1) GLib.idle_add(self.stop_spinner, (ret_code,), priority=GLib.PRIORITY_HIGH_IDLE) except Exception as e: print( repr(e) ) conn.close() break def send_ipc_message(self, message: str = "Empty Data...") -> None: try: if self._conn_type == "socket": conn = Client(address=self._ipc_address, family="AF_UNIX", authkey=self._ipc_authkey) elif "unsecured" not in self._conn_type: conn = Client((self._ipc_address, self._ipc_port), authkey=self._ipc_authkey) else: conn = Client((self._ipc_address, self._ipc_port)) conn.send(message) conn.close() except ConnectionRefusedError as e: print("Connection refused...") except Exception as e: print(repr(e))