43 lines
943 B
Swift
43 lines
943 B
Swift
//
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// SDLAddressResolverPool.swift
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// Tun
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//
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// Created by 安礼成 on 2026/2/3.
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//
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import Foundation
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import NIOCore
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import NIOPosix
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actor SDLAddressResolver {
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static let shared = SDLAddressResolver(threads: System.coreCount)
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private let pool: NIOThreadPool
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private var cache: [String: SocketAddress] = [:]
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private init(threads: Int = 2) {
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self.pool = NIOThreadPool(numberOfThreads: threads)
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self.pool.start()
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}
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func resolve(host: String, port: Int) async throws -> SocketAddress {
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let key = "\(host):\(port)"
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if let cached = cache[key] {
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return cached
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}
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let address = try await pool.runIfActive {
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try SocketAddress.makeAddressResolvingHost(host, port: port)
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}
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cache[key] = address
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return address
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}
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deinit {
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pool.shutdownGracefully { _ in }
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}
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}
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