feat(io): Add dbus bus com.revolutionpi.ios1

Signed-off-by: Sven Sager <s.sager@kunbus.com>
2025-05-22 11:08:48 +02:00
parent cc560770ce
commit 1774422dff
4 changed files with 301 additions and 0 deletions
--- a/src/revpi_middleware/ios1/bus_provider_io.py
+++ b/src/revpi_middleware/ios1/bus_provider_io.py
@@ -0,0 +1,100 @@
+# -*- coding: utf-8 -*-
+# SPDX-FileCopyrightText: 2025 KUNBUS GmbH
+# SPDX-License-Identifier: GPL-2.0-or-later
+"""D-Bus bus provider for revpi_middleware."""
+from logging import getLogger
+from threading import Thread
+
+import revpimodio2
+from gi.repository import GLib
+from pydbus import SessionBus, SystemBus
+from revpimodio2 import Cycletools
+
+from . import REVPI_DBUS_NAME
+from .interface_ios import (
+    InterfaceIoManager,
+    InterfaceInpBool,
+    InterfaceOutBool,
+    InterfaceInpInt,
+    InterfaceOutInt,
+)
+
+log = getLogger(__name__)
+
+
+class BusProviderIo(Thread):
+
+    def __init__(
+        self,
+        picontrol_device="/dev/piControl0",
+        config_rsc="/etc/revpi/config.rsc",
+        use_system_bus=True,
+    ):
+        log.debug("enter BusProviderIo.__init__")
+        super().__init__()
+
+        self._bus = SystemBus() if use_system_bus else SessionBus()
+        self._dc_io_interfaces = {}
+        self._loop = GLib.MainLoop()
+        self._modio = revpimodio2.RevPiModIO(
+            procimg=picontrol_device,
+            configrsc=config_rsc,
+            shared_procimg=True,
+        )
+
+        self.picontrol_device = picontrol_device
+        self.config_rsc = config_rsc
+
+    def run(self):
+        log.debug("enter BusProviderIo.run")
+
+        self._dc_io_interfaces.clear()
+
+        for io in self._modio.io:
+            interface = None
+            value_type = type(io.value)
+            if value_type is bool:
+                interface = (
+                    InterfaceInpBool(self._bus, io)
+                    if io.type == revpimodio2.INP
+                    else InterfaceOutBool(self._bus, io)
+                )
+            elif value_type is int:
+                interface = (
+                    InterfaceInpInt(self._bus, io)
+                    if io.type == revpimodio2.INP
+                    else InterfaceOutInt(self._bus, io)
+                )
+
+            if interface is not None:
+                self._dc_io_interfaces[io.name] = interface
+
+        lst_interfaces = [
+            (f"io/{io_name}", self._dc_io_interfaces[io_name]) for io_name in self._dc_io_interfaces
+        ]
+        try:
+            self._bus.publish(
+                REVPI_DBUS_NAME,
+                InterfaceIoManager(self._modio, self._dc_io_interfaces),
+                *lst_interfaces,
+            )
+        except Exception as e:
+            log.error(f"can not publish dbus {REVPI_DBUS_NAME}: {e}")
+
+        try:
+            self._loop.run()
+        except Exception as e:
+            log.error(f"can not run dbus mainloop: {e}")
+
+        self._modio.cleanup()
+
+        log.debug("leave BusProviderIo.run")
+
+    def stop(self):
+        log.debug("enter BusProviderIo.stop")
+        self._loop.quit()
+        log.debug("leave BusProviderIo.stop")
+
+    @property
+    def running(self):
+        return self._loop.is_running()