Created
March 28, 2023 12:36
-
-
Save Kethen/93c26675b2da5484d8057e7fbaeb517b to your computer and use it in GitHub Desktop.
prototype gbinder-python hidl booster
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/usr/bin/python3 | |
| import dbus | |
| from dbus.mainloop.glib import DBusGMainLoop | |
| from gi.repository import GLib | |
| import subprocess | |
| import gbinder | |
| import time | |
| from threading import Thread | |
| match_string = "type='signal',member='Changed',interface='org.gtk.Actions',path='/org/ayatana/indicator/power'" | |
| binder_interface = "/dev/hwbinder" | |
| service_name = "android.hardware.power@1.0::IPower/default" | |
| interface_name = "android.hardware.power@1.0::IPower" | |
| set_interactive_id = 1 | |
| power_hint_id = 2 | |
| enum_low_power = 5 | |
| enum_sustained_performance = 6 | |
| first_boot_check_file = "/tmp/hidl_perf_boost_booted" | |
| power_saving_toggle_file = "/home/phablet/.config/power_saving" | |
| def is_power_saving(): | |
| try: | |
| f = open(power_saving_toggle_file, "r") | |
| f.close() | |
| return True | |
| except: | |
| return False | |
| first_boot_state = None | |
| def is_first_boot(): | |
| global first_boot_state | |
| if first_boot_state is None: | |
| try: | |
| open(first_boot_check_file, "r") | |
| first_boot_state = False | |
| except: | |
| first_boot_state = True | |
| f = open(first_boot_check_file, "w") | |
| f.close() | |
| return first_boot_state | |
| def hidl_set_power_hint(client, type_enum, enable): | |
| if enable: | |
| enable = 1 | |
| else: | |
| enable = 0 | |
| request = client.new_request() | |
| request.append_int32(type_enum) | |
| request.append_int32(enable) | |
| reply, status = client.transact_sync_reply(power_hint_id, request) | |
| return (reply, status) | |
| def hidl_set_interactive(client, interactive): | |
| request = client.new_request() | |
| request.append_bool(interactive) | |
| reply, status = client.transact_sync_reply(set_interactive_id, request) | |
| return (reply, status) | |
| was_interactive = not is_first_boot() | |
| set_interactive_client = None | |
| def set_interactive(is_interactive): | |
| global was_interactive | |
| global set_interactive_client | |
| if set_interactive_client is None: | |
| set_interactive_client = gbinder.Client(service, interface_name) | |
| client = set_interactive_client | |
| if client is None: | |
| raise Exception("failed opening {0}::{1}".format(service_name, interface_name)) | |
| if is_interactive != was_interactive: | |
| was_interactive = is_interactive | |
| power_saving = is_power_saving() | |
| hidl_set_interactive(client, is_interactive) | |
| hidl_set_power_hint(client, enum_low_power, (not is_interactive) or power_saving) | |
| hidl_set_power_hint(client, enum_sustained_performance, is_interactive and (not power_saving)) | |
| def filter_cb(bus, message): | |
| arg_list = message.get_args_list() | |
| for item in arg_list: | |
| if isinstance(item, dict): | |
| if 'brightness' in item: | |
| brightness = item['brightness'] | |
| if brightness < 0: | |
| set_interactive(False) | |
| else: | |
| set_interactive(True) | |
| sm = gbinder.ServiceManager(binder_interface) | |
| intf = sm.list_sync(); | |
| service = None | |
| tries = 0 | |
| while service is None and tries < 20: | |
| service, status = sm.get_service_sync(service_name) | |
| time.sleep(0.5) | |
| tries = tries + 1 | |
| if service is None: | |
| raise Exception("failed oepning {0}".format(service_name)) | |
| print("binder is ready") | |
| DBusGMainLoop(set_as_default=True) | |
| bus = dbus.SessionBus() | |
| bus.add_match_string(match_string) | |
| bus.add_message_filter(filter_cb) | |
| set_interactive(is_first_boot()) | |
| print("starting glib loop") | |
| loop = GLib.MainLoop() | |
| loop.run() |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment