113 lines
3.6 KiB
Python
113 lines
3.6 KiB
Python
from __future__ import annotations
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import socket
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import time
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from concurrent.futures import FIRST_COMPLETED, Future, ThreadPoolExecutor, wait
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from PyQt6.QtCore import QThread, pyqtSignal
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from .engines.singbox.config_builder import is_singbox_endpoint_node
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from .models import Node
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_MAX_PING_WORKERS = 16
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def tcp_ping(host: str, port: int, timeout: float = 2.0) -> int | None:
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if not host or not port:
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return None
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start = time.perf_counter()
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try:
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with socket.create_connection((host, port), timeout=timeout):
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elapsed = (time.perf_counter() - start) * 1000.0
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return int(elapsed)
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except OSError:
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return None
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def ping_node(node: Node, timeout: float = 2.0) -> int | None:
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"""TCP-пинг ноды; endpoint-ноды (UDP-only, напр. WireGuard/AWG) не пингуются."""
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if is_singbox_endpoint_node(node):
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return None
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return tcp_ping(node.server, node.port, timeout)
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def apply_ping_measurement(node: Node, ping_ms: int | None) -> None:
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"""Применяет результат TCP-пинга к ноде.
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Endpoint-ноды (UDP-only) не измеряются по TCP: ping_ms остаётся None,
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is_alive не сбрасывается в False.
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"""
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if is_singbox_endpoint_node(node):
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node.ping_ms = None
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return
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node.ping_ms = ping_ms
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if ping_ms is not None or node.is_alive is None:
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node.is_alive = ping_ms is not None
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class PingWorker(QThread):
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result = pyqtSignal(str, object)
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progress = pyqtSignal(int, int) # current, total
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completed = pyqtSignal()
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def __init__(self, nodes: list[Node], timeout: float = 2.0):
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super().__init__()
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self._nodes = nodes
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self._timeout = timeout
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self._cancelled = False
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def cancel(self) -> None:
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self._cancelled = True
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def run(self) -> None:
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total = len(self._nodes)
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if total == 0:
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self.completed.emit()
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return
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max_workers = min(_MAX_PING_WORKERS, total)
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executor = ThreadPoolExecutor(max_workers=max_workers, thread_name_prefix="ping")
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pending: dict[Future[int | None], str] = {}
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iterator = iter(self._nodes)
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completed = 0
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try:
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for _ in range(max_workers):
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node = next(iterator, None)
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if node is None:
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break
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future = executor.submit(ping_node, node, self._timeout)
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pending[future] = node.id
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while pending and not self._cancelled:
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done, _ = wait(tuple(pending), timeout=0.1, return_when=FIRST_COMPLETED)
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if not done:
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continue
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for future in done:
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node_id = pending.pop(future)
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try:
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ms = future.result()
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except Exception:
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ms = None
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completed += 1
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self.result.emit(node_id, ms)
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self.progress.emit(completed, total)
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if self._cancelled:
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break
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next_node = next(iterator, None)
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if next_node is not None:
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next_future = executor.submit(ping_node, next_node, self._timeout)
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pending[next_future] = next_node.id
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if self._cancelled:
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for future in pending:
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future.cancel()
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finally:
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executor.shutdown(wait=False, cancel_futures=True)
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self.completed.emit()
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