117 lines
3.7 KiB
Swift
117 lines
3.7 KiB
Swift
import Foundation
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import Metrics
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import Observation
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import SMC
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@MainActor
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@Observable
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public final class FanController {
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public enum Mode: String, CaseIterable, Identifiable {
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case automatic, cooling, maximum, custom
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public var id: String { rawValue }
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var title: String {
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switch self {
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case .automatic: "自动"
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case .cooling: "降温"
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case .maximum: "强冷"
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case .custom: "自定义"
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}
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}
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/// “降温”档位于最低与最高转速之间的 60%
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static let coolingLevel = 0.6
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}
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public private(set) var mode: Mode = .automatic
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/// 自定义档位：0 为最低转速，1 为最高转速
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public var customLevel: Double = 0.5
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public private(set) var isApplying = false
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public private(set) var notice: String?
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public private(set) var noticeIsError = false
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@ObservationIgnored private let helper: HelperClient
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@ObservationIgnored private let store: MetricsStore
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@ObservationIgnored private let settings: AppSettings
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init(helper: HelperClient, store: MetricsStore, settings: AppSettings) {
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self.helper = helper
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self.store = store
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self.settings = settings
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}
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func select(_ newMode: Mode) async {
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guard newMode != mode || newMode == .custom else { return }
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let previous = mode
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mode = newMode
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if let error = await apply() {
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mode = previous
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show(error, isError: true)
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} else {
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clearNotice()
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}
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}
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func commitCustomLevel() async {
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guard mode == .custom else { return }
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if let error = await apply() { show(error, isError: true) }
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}
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/// 连接恢复或唤醒后重新下发
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func reapply() async {
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guard mode != .automatic else { return }
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if let error = await apply() { show(error, isError: true) }
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}
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/// 每次收到新指标时检查温度，自定义档位过低且 CPU 过热时交还系统控制
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func evaluateSafety() {
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guard mode == .custom, customLevel < 1,
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let hottest = store.sensors?.temperature(.cpu)?.maximum,
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hottest >= Double(settings.fanSafetyTemperature) else { return }
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Task {
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mode = .automatic
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_ = await apply()
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show("CPU 温度达到 \(Format.temperature(hottest, fahrenheit: settings.useFahrenheit))，已恢复系统自动控制", isError: false)
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}
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}
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func targetRPM(for fan: FanState) -> Double {
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switch mode {
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case .automatic: fan.target
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case .cooling: fan.minimum + (fan.maximum - fan.minimum) * Mode.coolingLevel
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case .maximum: fan.maximum
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case .custom: fan.minimum + (fan.maximum - fan.minimum) * customLevel
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}
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}
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private func apply() async -> String? {
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let fans = store.sensors?.fans ?? []
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guard !fans.isEmpty else { return "未检测到可调节的风扇" }
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isApplying = true
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defer { isApplying = false }
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if mode == .automatic {
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return await helper.resetAllFans()
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}
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for fan in fans {
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if let error = await helper.setFanTarget(fan: fan.id, rpm: targetRPM(for: fan)) {
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_ = await helper.resetAllFans()
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return error
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}
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}
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return nil
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}
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private func show(_ message: String, isError: Bool) {
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if isError { Log.fans.error("\(message, privacy: .public)") } else { Log.fans.info("\(message, privacy: .public)") }
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notice = message
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noticeIsError = isError
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}
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private func clearNotice() {
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notice = nil
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noticeIsError = false
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}
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}
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