6179ded862
CustomTkinter desktop app for managing remote servers. Features: SSH terminal, SFTP file transfer, key management, background status monitoring, server CRUD with dark theme. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
"""
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Background status checker — daemon thread that pings servers periodically.
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"""
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import threading
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import time
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from typing import TYPE_CHECKING
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if TYPE_CHECKING:
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from core.server_store import ServerStore
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from core.ssh_client import SSHClientWrapper
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class StatusChecker:
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def __init__(self, store: "ServerStore", interval: int = 60):
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self.store = store
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self.interval = interval
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self._running = False
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self._thread: threading.Thread | None = None
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self._gui_callback = None # set by GUI for thread-safe updates
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def start(self):
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if self._running:
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return
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self._running = True
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self._thread = threading.Thread(target=self._loop, daemon=True)
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self._thread.start()
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def stop(self):
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self._running = False
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def set_gui_callback(self, callback):
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"""Set callback for thread-safe GUI updates."""
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self._gui_callback = callback
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def check_one(self, server: dict) -> bool:
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"""Check single server. Returns True if online."""
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key_path = self.store.get_ssh_key_path()
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wrapper = SSHClientWrapper(server, key_path)
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return wrapper.check_connection()
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def check_all_now(self):
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"""Run a full check cycle immediately (in background thread)."""
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threading.Thread(target=self._check_cycle, daemon=True).start()
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def _loop(self):
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while self._running:
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self._check_cycle()
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for _ in range(self.interval * 10):
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if not self._running:
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return
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time.sleep(0.1)
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def _check_cycle(self):
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servers = self.store.get_all()
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for server in servers:
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if not self._running:
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return
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alias = server["alias"]
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server_type = server.get("type", "ssh")
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if server_type != "ssh":
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self.store.set_status(alias, "unknown")
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continue
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online = self.check_one(server)
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self.store.set_status(alias, "online" if online else "offline")
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if self._gui_callback:
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try:
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self._gui_callback()
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except Exception:
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pass
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