swift 中 GCDAsyncUDPSocket getHost 的数据类型

Question

我很困惑。这是我的代码：

public func udpSocket(sock: GCDAsyncUdpSocket!, didReceiveData data: NSData!, fromAddress address: NSData!, withFilterContext filterContext: AnyObject!) {
   var send_port : UnsafeMutablePointer<UInt16>
   var hostPtr : AutoreleasingUnsafeMutablePointer<NSString?>

   // This appears to be a class level function - not an individual function attached to the sock variable
   GCDAsyncUdpSocket.getHost(&hostPtr, port: &send_port, fromAddress: address)       
}

这是我的错误：

无法使用类型为“(inout AutoreleasingUnsafeMutablePointer, port: inout UnsafeMutablePointer, fromAddress: NSData!)”

的参数列表调用 'getHost'

这里是 "prototype"

class func getHost(hostPtr: AutoreleasingUnsafeMutablePointer<NSString?>, port portPtr: UnsafeMutablePointer<UInt16>, fromAddress address: NSData!) -> Bool
class func getHost(hostPtr: AutoreleasingUnsafeMutablePointer<NSString?>, port portPtr: UnsafeMutablePointer<UInt16>, family afPtr: UnsafeMutablePointer<Int32>, fromAddress address: NSData!) -> Bool

对我来说，你似乎通过了：

AutoreleasingUnsafeMutablePointer<NSString?>

还有一个

UnsafeMutablePointer<UInt16> 我以为我做到了。

有什么地方出错了吗？

Answer 1

您必须将变量定义为

var send_port : UInt16 = 0
var hostPtr : NSString? = nil

使用 & 变量作为输入参数传递给函数取相应的 UnsafeMutablePointer 参数。

swift 中 GCDAsyncUDPSocket getHost 的数据类型

What data types for GCDAsyncUDPSocket getHost in swift

ios

gcdasyncsocket

swift