Restructured searcher layout

plugins/searcher/utils/ipc_server.py

@@ -0,0 +1,107 @@
+# Python imports
+import os, threading, time, pickle
+from multiprocessing.connection import Listener, Client
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk, 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()
+            start_time = time.perf_counter()
+            self.handle_message(conn, start_time)
+
+        listener.close()
+
+    def handle_message(self, conn, start_time) -> None:
+        while True:
+            msg  = conn.recv()
+
+            if not self.pause_fifo_update:
+                if "SEARCH|" in msg:
+                    file = msg.split("SEARCH|")[1].strip()
+                    if file:
+                        GLib.idle_add(self._load_file_ui, file)
+
+                    conn.close()
+                    break
+
+                if "GREP|" in msg:
+                    data = msg.split("GREP|")[1].strip()
+                    if data:
+                        GLib.idle_add(self._load_grep_ui, data)
+
+                    conn.close()
+                    break
+
+
+                if msg in ['close connection', 'close server']:
+                    conn.close()
+                    break
+
+                # NOTE: Not perfect but insures we don't lock up the connection for too long.
+                end_time = time.perf_counter()
+                if (end_time - start_time) > self._ipc_timeout:
+                    conn.close()
+                    break
+            else:
+                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))