mirror of
https://github.com/morgan9e/UxPlay
synced 2026-04-14 00:04:13 +09:00
begin winrt beacon development
This commit is contained in:
F. Duncanh
304
Bluetooth_LE_beacon/winrt/uxplay-beacon.py
Executable file
304
Bluetooth_LE_beacon/winrt/uxplay-beacon.py
Executable file
@@ -0,0 +1,304 @@
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#!/usr/bin/env python3
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# SPDX-License-Identifier: LGPL-2.1-or-later
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# adapted from https://github.com/bluez/bluez/blob/master/test/example-advertisement
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#----------------------------------------------------------------
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# a standalone python-3.6 or later DBus-based AirPlay Service-Discovery Bluetooth LE beacon for UxPlay
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# (c) F. Duncanh, October 2025
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import gi
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try:
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from gi.repository import GLib
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except ImportError:
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print(f"ImportError: failed to import GLib")
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def setup_beacon(ipv4_str, port, advmin, advmax, index):
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print(f"setup_becaon port {ipv4_str}:{port} [{advin}:{advmax}] ({index})")
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def beacon_on():
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print(f"beacon_on")
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return True
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def beacon_off():
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print(f"beacon off")
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#==generic code (non-dbus) below here =============
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import argparse
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import os
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import sys
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import psutil
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import struct
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import socket
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# global variables
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beacon_is_running = False
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beacon_is_pending_on = False
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beacon_is_pending_off = False
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port = int(0)
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advmin = int(100)
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advmax = int(100)
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ipv4_str = "ipv4_address"
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index = int(0)
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def start_beacon():
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global beacon_is_running
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global port
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global ipv4_str
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global advmin
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global advmax
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global index
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setup_beacon(ipv4_str, port, advmin, advmax, index)
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beacon_is_running = beacon_on()
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def stop_beacon():
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global beacon_is_running
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beacon_off()
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beacon_is_running = False
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def check_process_name(pid, pname):
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try:
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process = psutil.Process(pid)
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if process.name().find(pname,0) == 0:
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return True
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else:
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return False
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except psutil.NoSuchProcess:
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return False
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def check_pending():
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global beacon_is_running
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global beacon_is_pending_on
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global beacon_is_pending_off
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if beacon_is_running:
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if beacon_is_pending_off:
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stop_beacon()
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beacon_is_pending_off = False
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else:
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if beacon_is_pending_on:
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start_beacon()
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beacon_is_pending_on = False
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return True
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def check_file_exists(file_path):
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global port
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global beacon_is_running
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global beacon_is_pending_on
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global beacon_is_pending_off
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if os.path.exists(file_path):
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with open(file_path, 'rb') as file:
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data = file.read(2)
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port = struct.unpack('<H', data)[0]
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data = file.read(4)
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pid = struct.unpack('<I', data)[0]
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data = file.read(16)
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pname = data.split(b'\0',1)[0].decode('utf-8')
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last_element_of_pname = os.path.basename(pname)
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test = check_process_name(pid, last_element_of_pname)
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if test == True:
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if not beacon_is_running:
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beacon_is_pending_on = True
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else:
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print(f'orphan beacon file {file_path} exists, but process {pname} (pid {pid}) is no longer active')
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try:
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os.remove(file_path)
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print(f'File "{file_path}" deleted successfully.')
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except FileNotFoundError:
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print(f'File "{file_path}" not found.')
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if beacon_is_running:
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beacon_is_pending_off = True
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else:
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if beacon_is_running:
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beacon_is_pending_off = True
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def on_timeout(file_path):
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check_file_exists(file_path)
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return True
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def process_input(value):
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try:
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my_integer = int(value)
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return my_integer
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except ValueError:
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print(f'Error: could not convert "{value}" to integer: {my_integer}')
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return None
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#check AdvInterval
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def check_adv_intrvl(min, max):
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if not (100 <= min):
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raise ValueError('AdvMin was smaller than 100 msecs')
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if not (max >= min):
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raise ValueError('AdvMax was smaller than AdvMin')
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if not (max <= 10240):
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raise ValueError('AdvMax was larger than 10240 msecs')
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def main(file_path, ipv4_str_in, advmin_in, advmax_in, index_in):
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global ipv4_str
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global advmin
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global advmax
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global index
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ipv4_str = ipv4_str_in
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advmin = advmin_in
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advmax = advmax_in
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index = index_in
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try:
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while True:
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try:
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check_adv_intrvl(advmin, advmax)
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except ValueError as e:
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print(f'Error: {e}')
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raise SystemExit(1)
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GLib.timeout_add_seconds(5, on_timeout, file_path)
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GLib.timeout_add_seconds(1, check_pending)
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mainloop = GLib.MainLoop()
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mainloop.run()
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except KeyboardInterrupt:
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print(f'\nExiting ...')
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sys.exit(0)
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if __name__ == '__main__':
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if not sys.version_info >= (3,6):
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print("uxplay-beacon.py requires Python 3.6 or higher")
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# Create an ArgumentParser object
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parser = argparse.ArgumentParser(
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description='A program that runs an AirPlay service discovery BLE beacon.',
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epilog='Example: python beacon.py --ipv4 "192.168.1.100" --path "/home/user/ble" --AdvMin 100 --AdvMax 100"'
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)
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home_dir = os.path.expanduser("~")
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# Add arguments
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parser.add_argument(
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'--file',
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type=str,
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default= home_dir + "/.uxplay.beacon",
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help='beacon startup file (optional): one entry (key, value) per line, e.g. --ipv4 192.168.1.100, (lines startng with with # are ignored)'
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)
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parser.add_argument(
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'--path',
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type=str,
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default= home_dir + "/.uxplay.ble",
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help='path to AirPlay server BLE beacon information file (default: ~/.uxplay.ble)).'
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)
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parser.add_argument(
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'--ipv4',
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type=str,
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default='use gethostbyname',
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help='ipv4 address of AirPlay server (default: use gethostbyname).'
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)
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parser.add_argument(
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'--AdvMin',
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type=str,
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default="0",
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help='The minimum Advertising Interval (>= 100) units=msec, default 100)'
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)
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parser.add_argument(
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'--AdvMax',
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type=str,
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default="0",
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help='The maximum Advertising Interval (>= AdvMin, <= 10240) units=msec, default 100)'
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)
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parser.add_argument(
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'--index',
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type=str,
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default="0",
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help='use index >= 0 to distinguish multiple AirPlay Service Discovery beacons, default 0)'
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)
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# Parse the command-line argunts
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args = parser.parse_args()
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ipv4_str = None
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path = None
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advmin = int(100)
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advmax = int(100)
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index = int(0)
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if args.file:
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print(f'Using config file: {args.file}')
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if os.path.exists(args.file):
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with open(args.file, 'r') as file:
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for line in file:
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stripped_line = line.strip()
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if stripped_line.startswith('#'):
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continue
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parts = stripped_line.partition(" ")
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part0 = parts[0]
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part2 = parts[2]
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key = part0.strip()
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value = part2.strip()
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if key == "--path":
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path = value
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elif key == "--ipv4":
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ipv4_str = value
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elif key == "--AdvMin":
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if value.isdigit():
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advmin = int(value)
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else:
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print(f'Invalid config file input (--AdvMin) {value} in {args.file}')
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raise SystemExit(1)
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elif key == "--AdvMax":
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if value.isdigit():
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advmax = int(value)
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else:
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print(f'Invalid config file input (--AdvMax) {value} in {args.file}')
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raise SystemExit(1)
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elif key == "--index":
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if value.isdigit():
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index = int(value)
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else:
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print(f'Invalid config file input (--index) {value} in {args.file}')
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raise SystemExit(1)
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else:
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print(f'Unknown key "{key}" in config file {args.file}')
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raise SystemExit(1)
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if args.ipv4 == "use gethostbyname":
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if (ipv4_str is None):
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ipv4_str = socket.gethostbyname(socket.gethostname())
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else:
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ipv4_str = args.ipv4
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if args.AdvMin != "0":
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if args.AdvMin.isdigit():
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advmin = int(args.AdvMin)
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else:
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print(f'Invalid input (AdvMin) {args.AdvMin}')
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raise SystemExit(1)
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if args.AdvMax != "0":
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if args.AdvMax.isdigit():
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advmax = int(args.AdvMax)
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else:
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print(f'Invalid input (AdvMin) {args.AdvMin}')
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raise SystemExit(1)
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if args.index != "0":
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if args.index.isdigit():
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index = int(args.index)
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else:
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print(f'Invalid input (AdvMin) {args.AdvMin}')
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raise SystemExit(1)
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if index < 0:
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raise ValueError('index was negative (forbidden)')
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print(f'AirPlay Service-Discovery Bluetooth LE beacon: using BLE file {args.path}, advmin:advmax {advmin}:{advmax} index:{index}')
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print(f'(Press Ctrl+C to exit)')
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main(args.path, ipv4_str, advmin, advmax, index)
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@@ -2972,7 +2972,7 @@ int main (int argc, char *argv[]) {
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#define PID_MAX 4194304 // 2^22
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if (ble_filename.length()) {
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#ifdef _WIN_32
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#ifdef _WIN32
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DWORD pid = GetCurrentProcessId();
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g_assert(pid <= PID_MAX);
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#else
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