public override unsafe IPEndPoint[] GetActiveUdpListeners()
{
int realCount = Interop.Sys.GetEstimatedUdpListenerCount();
int infoCount = realCount * 2;
Interop.Sys.IPEndPointInfo[] infos = new Interop.Sys.IPEndPointInfo[infoCount];
fixed(Interop.Sys.IPEndPointInfo *infosPtr = infos)
{
if (Interop.Sys.GetActiveUdpListeners(infosPtr, &infoCount) == -1)
{
throw new NetworkInformationException(SR.net_PInvokeError);
}
}
IPEndPoint[] endPoints = new IPEndPoint[infoCount];
for (int i = 0; i < infoCount; i++)
{
Interop.Sys.IPEndPointInfo endPointInfo = infos[i];
int port = (int)endPointInfo.Port;
IPAddress ipAddress = endPointInfo.NumAddressBytes == 0 ?
IPAddress.Any :
new IPAddress(new ReadOnlySpan <byte>(endPointInfo.AddressBytes, checked ((int)endPointInfo.NumAddressBytes)));
endPoints[i] = new IPEndPoint(ipAddress, port);
}
return(endPoints);
}
public unsafe override IPEndPoint[] GetActiveUdpListeners()
{
int realCount = Interop.Sys.GetEstimatedUdpListenerCount();
int infoCount = realCount * 2;
Interop.Sys.IPEndPointInfo[] infos = new Interop.Sys.IPEndPointInfo[infoCount];
fixed(Interop.Sys.IPEndPointInfo *infosPtr = infos)
{
if (Interop.Sys.GetActiveUdpListeners(infosPtr, &infoCount) == -1)
{
throw new NetworkInformationException(SR.net_PInvokeError);
}
}
IPEndPoint[] endPoints = new IPEndPoint[infoCount];
for (int i = 0; i < infoCount; i++)
{
Interop.Sys.IPEndPointInfo endPointInfo = infos[i];
int port = (int)endPointInfo.Port;
IPAddress ipAddress;
if (endPointInfo.NumAddressBytes == 0)
{
ipAddress = IPAddress.Any;
}
else
{
byte[] bytes = new byte[endPointInfo.NumAddressBytes];
fixed(byte *bytesPtr = &bytes[0])
{
Buffer.MemoryCopy(endPointInfo.AddressBytes, bytesPtr, bytes.Length, bytes.Length);
}
ipAddress = new IPAddress(bytes);
}
endPoints[i] = new IPEndPoint(ipAddress, port);
}
return(endPoints);
}
public unsafe override IPEndPoint[] GetActiveUdpListeners()
{
int realCount = Interop.Sys.GetEstimatedUdpListenerCount();
int infoCount = (int)(realCount * 1.5f);
Interop.Sys.IPEndPointInfo *infos = stackalloc Interop.Sys.IPEndPointInfo[infoCount];
while (Interop.Sys.GetActiveUdpListeners(infos, &infoCount) == -1)
{
var newAlloc = stackalloc Interop.Sys.IPEndPointInfo[infoCount];
infos = newAlloc;
}
IPEndPoint[] endPoints = new IPEndPoint[infoCount];
for (int i = 0; i < infoCount; i++)
{
Interop.Sys.IPEndPointInfo endPointInfo = infos[i];
int port = (int)endPointInfo.Port;
IPAddress ipAddress;
if (endPointInfo.NumAddressBytes == 0)
{
ipAddress = IPAddress.Any;
}
else
{
byte[] bytes = new byte[endPointInfo.NumAddressBytes];
fixed(byte *bytesPtr = bytes)
{
Buffer.MemoryCopy(endPointInfo.AddressBytes, bytesPtr, bytes.Length, bytes.Length);
}
ipAddress = new IPAddress(bytes);
}
endPoints[i] = new IPEndPoint(ipAddress, port);
}
return(endPoints);
}
