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我在Swift 3中使用StreamDelegate连接到Java套接字时遇到了问题。我目前正在重写一个大型Objective C项目,其中这段代码像魅力一样运行,但我似乎无法让它在Swift 3中工作。我遇到的问题是流功能从不运行。所以“流”!从不打印出来。 self.outputStream.open()
之后的Stream.Status
被称为1(开放)。代码运行时没有任何问题,并且“打开线程上的流:”被调用。Swift 3输入流和输出流连接但没有流
我试图连接到的套接字是一个Java套接字。
注:我已经体验到调试器打印出一条消息,说没有附加处理程序,但我不知道它是相关的。
我发现了一些类似的帖子,但没有在这个确切的问题。如果有人有任何想法,我会很高兴听到他们!感谢任何想要帮助的人。
import Foundation
@objc class SocketConnector : NSObject, StreamDelegate {
var inputStream : InputStream!
var outputStream : OutputStream!
var lock : NSRecursiveLock
override init() {
lock = NSRecursiveLock.init()
}
func connect (host : String, port : Int) -> Bool {
lock.lock()
var readStream : Unmanaged<CFReadStream>?
var writeStream : Unmanaged<CFWriteStream>?
CFStreamCreatePairWithSocketToHost(nil, host as CFString!, UInt32(port), &readStream, &writeStream)
inputStream = readStream!.takeRetainedValue()
outputStream = writeStream!.takeRetainedValue()
self.inputStream.delegate = self
self.outputStream.delegate = self
self.inputStream.schedule(in: RunLoop.current, forMode: .defaultRunLoopMode)
self.outputStream.schedule(in: RunLoop.current, forMode: .defaultRunLoopMode)
self.inputStream.open()
self.outputStream.open()
print("Opening streams on thread: %@", Thread.current)
lock.unlock()
return true
}
func stream (aStream : Stream, handleEvent eventCode : Stream.Event) {
print("Stream!")
switch eventCode {
case Stream.Event.hasBytesAvailable:
print("Stream has bytes:");
break;
case Stream.Event.errorOccurred:
print("Stream error occurred: %@",aStream.streamError?.localizedDescription)
case Stream.Event.openCompleted:
print("Stream has bytes:")
break
case Stream.Event.endEncountered:
print("Stream ended")
self.closeStreams()
break
default:
break
}
}
谢谢,你好!这个错误从来没有发生过,我习惯于编译器清理这样的事情。现在完美! – andeey