iOS:Firebase存储设置超时 [英] iOS: Firebase Storage set timeout

问题描述

从存储下载时，我想设置一个较小的超时时间，例如仅5-10秒，这可能吗?

when downloading from storage, I would like to set a smaller timeout, e.g. only 5 - 10 seconds, is this possible?

我这样下载:

        let storage = FIRStorage.storage()
        let storageRef = storage.reference(forURL: "gs://...")
        let fileRef = storageRef.child(myLink)
        let downloadTask = fileRef.write(toFile: url) { url, error in
        ...

推荐答案

我将对StorageDownloadTask类进行扩展，并添加一个函数，该函数将计时器设置为具有所请求的时间的计时器，该计时器将在触发时取消请求.

I would make a extension to the StorageDownloadTask class and add a function that sets a timer with the requested time that cancels the request if fired.

类似这样的东西:

extension StorageDownloadTask {
func withTimout(time: Int, block: @escaping () -> Void) {
    Timer.scheduledTimer(withTimeInterval: TimeInterval(time), repeats: false) { (_) in
        self.cancel()
        block()
    }
}

所以您应该写:

fileRef.write(toFile: url, completion: {
    (url, error) in
    ...
}).withTimeout(time: 10) {
    //Here you can tell everything that needs to know if the download failed that it did
}

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