iOS聊天APNS，套接字或时间间隔[关闭]

iOS聊天APNS，套接字或时间间隔

swift
// 注册推送通知
func registerForRemoteNotifications() {
    UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound, .badge]) { (granted, error) in
        if granted {
            DispatchQueue.main.async {
                UIApplication.shared.registerForRemoteNotifications()
            }
        }
    }
}
// 注册设备令牌
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
    let token = deviceToken.map { String(format: "%02.2hhx", $0) }.joined()
    // 将设备令牌发送给后台服务
}
// 处理收到的推送通知
func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
    completionHandler([.alert, .sound])
}

swift
// 建立连接
func connectToServer() {
    let socket = GCDAsyncSocket(delegate: self, delegateQueue: DispatchQueue.main)
    do {
        try socket.connect(toHost: "服务器地址", onPort: 8080)
    } catch {
        print("连接失败：\(error)")
    }
}
// 发送消息
func sendMessage(message: String) {
    let data = message.data(using: .utf8)
    socket.write(data!, withTimeout: -1, tag: 0)
}
// 接收消息
func socket(_ sock: GCDAsyncSocket, didRead data: Data, withTag tag: Int) {
    if let message = String(data: data, encoding: .utf8) {
        // 处理接收到的消息
    }
    socket.readData(withTimeout: -1, tag: 0)
}

swift
// 发送消息的时间间隔
let sendInterval: TimeInterval = 1
// 上次发送消息的时间
var lastSendTime: Date?
// 发送消息
func sendMessage(message: String) {
    let currentTime = Date()
    guard let lastSendTime = lastSendTime else {
        // 第一次发送消息
        send(message: message)
        self.lastSendTime = currentTime
        return
    }
    
    if currentTime.timeIntervalSince(lastSendTime) >= sendInterval {
        // 距离上次发送消息已经超过时间间隔
        send(message: message)
        self.lastSendTime = currentTime
    } else {
        // 未超过时间间隔，忽略该消息
    }
}
// 发送消息的具体实现
func send(message: String) {
    // 发送消息的逻辑
}