53 lines
1.1 KiB
Swift
53 lines
1.1 KiB
Swift
//
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// SDLFlowTracer.swift
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// Tun
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//
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// Created by 安礼成 on 2024/5/27.
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//
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import Foundation
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import Darwin
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// 流量统计器
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final class SDLFlowTracer {
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enum FlowType {
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case forward
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case p2p
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case inbound
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}
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private var forwardFlowBytes: UInt32 = 0
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private var p2pFlowBytes: UInt32 = 0
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private var inFlowBytes: UInt32 = 0
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private let lock = NSLock()
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func inc(num: Int, type: FlowType) {
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lock.lock()
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defer {
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lock.unlock()
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}
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switch type {
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case .inbound:
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self.inFlowBytes += UInt32(num)
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case .forward:
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self.forwardFlowBytes += UInt32(num)
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case .p2p:
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self.p2pFlowBytes += UInt32(num)
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}
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}
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func reset() -> (UInt32, UInt32, UInt32) {
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lock.lock()
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defer {
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self.forwardFlowBytes = 0
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self.inFlowBytes = 0
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self.p2pFlowBytes = 0
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lock.unlock()
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}
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return (forwardFlowBytes, p2pFlowBytes, inFlowBytes)
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}
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}
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