mirror of
https://github.com/vesper8/Quest2Frame.git
synced 2026-10-23 07:02:00 +02:00
MichaelScottsman
6b014289d3
Include managed uninstall and tests. Keep-awake integration is work in progress: Frame authorization currently rejects the inhibitor and blocks wireless installation until resolved.
65 lines
2.6 KiB
Python
65 lines
2.6 KiB
Python
# SPDX-License-Identifier: GPL-3.0-only
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"""Short-lived Frame sleep inhibitor with a disconnect/crash watchdog."""
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import shlex
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import threading
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class FrameAwake:
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# Remote read timeout releases the lock even if an SSH connection becomes
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# half-open. No power settings, services, or privileged files are changed.
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command = (
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'systemd-inhibit --what=idle:sleep --mode=block --who=Quest2Frame '
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'--why=' + shlex.quote('Wireless game installation') + ' bash -c ' +
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shlex.quote('printf "Q2F_AWAKE_READY\\n"; '
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'while IFS= read -r -t 45 pulse; do '
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'[ "$pulse" = Q2F_KEEP_AWAKE ] || break; done')
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)
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def __init__(self, client, log):
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self.client=client;self.log=log;self.channel=None
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self.streams=();self.stop=threading.Event();self.thread=None
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self.failed=threading.Event()
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def __enter__(self):
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try:
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self.streams=self.client.exec_command(self.command,timeout=10)
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_,out,_=self.streams;self.channel=out.channel
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if out.readline().strip()!='Q2F_AWAKE_READY':
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raise RuntimeError('Frame refused the sleep inhibitor. Check systemd-inhibit permissions on Frame; no wireless installation was started.')
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self.check()
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self.thread=threading.Thread(target=self._heartbeat,daemon=True)
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self.thread.start()
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self.log('Frame keep-awake active for wireless installation (idle/suspend blocked).')
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return self
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except Exception:
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self.close()
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raise
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def check(self):
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if self.failed.is_set() or self.channel is None or self.channel.closed or self.channel.exit_status_ready():
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raise RuntimeError('Frame keep-awake connection was lost. Wireless installation stopped; reconnect Frame and retry.')
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def _heartbeat(self):
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while not self.stop.wait(10):
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try:
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self.check()
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self.channel.sendall(b'Q2F_KEEP_AWAKE\n')
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except Exception:
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self.failed.set();return
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def close(self):
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self.stop.set()
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if self.channel is not None:
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try:self.channel.shutdown_write()
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except Exception:pass
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try:self.channel.close()
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except Exception:pass
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for stream in self.streams:
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try:stream.close()
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except Exception:pass
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if self.thread is not None:self.thread.join(timeout=.2)
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def __exit__(self, *exc):
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self.close()
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self.log('Frame keep-awake released; normal power management resumes (within 45 seconds if the connection was lost).')
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