55 lines
1.3 KiB
Swift
55 lines
1.3 KiB
Swift
//
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// SDLPathDebounceActor.swift
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// punchnet
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//
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// Created by 安礼成 on 2026/4/29.
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//
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import Foundation
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import Network
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actor SDLPathDebounceActor {
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private var lastSnapshot: SDLPathSnapshot?
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private var debounceTask: Task<Void, Never>?
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private let delay: Duration
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public let statusStream: AsyncStream<NWPath.Status>
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private let statusCont: AsyncStream<NWPath.Status>.Continuation
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init(delay: Duration = .seconds(2)) {
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self.delay = delay
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let (stream, cont) = AsyncStream.makeStream(of: NWPath.Status.self)
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self.statusStream = stream
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self.statusCont = cont
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}
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func submit(_ snapshot: SDLPathSnapshot) {
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guard snapshot != lastSnapshot else {
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return
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}
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self.lastSnapshot = snapshot
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self.debounceTask?.cancel()
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self.debounceTask = Task { [delay] in
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try? await Task.sleep(for: delay)
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guard !Task.isCancelled else {
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return
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}
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await self.handleStableSnapshot(snapshot)
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}
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}
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private func handleStableSnapshot(_ snapshot: SDLPathSnapshot) async {
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self.statusCont.yield(snapshot.status)
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}
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func stop() {
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debounceTask?.cancel()
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debounceTask = nil
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}
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}
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