protected virtual void Dispose(bool disposing)
{
if (data != null)
{
data.Dispose();
data = null;
}
}
public unsafe CFDataBuffer(byte[] buffer)
{
this.buffer = buffer;
/*
* Copy the buffer to allow the native side to take ownership.
*/
fixed(byte *ptr = buffer)
data = CFData.FromData((IntPtr)ptr, buffer.Length);
}
static void OnCallback(IntPtr s, nuint type, IntPtr address, IntPtr data, IntPtr info)
{
var socket = GCHandle.FromIntPtr(info).Target as CFSocket;
if (socket is null)
{
return;
}
CFSocketCallBackType cbType = (CFSocketCallBackType)(ulong)type;
if (cbType == CFSocketCallBackType.AcceptCallBack)
{
var ep = CFSocketAddress.EndPointFromAddressPtr(address);
var handle = new CFSocketNativeHandle(Marshal.ReadInt32(data));
socket.OnAccepted(new CFSocketAcceptEventArgs(handle, ep));
}
else if (cbType == CFSocketCallBackType.ConnectCallBack)
{
CFSocketError result;
if (data == IntPtr.Zero)
{
result = CFSocketError.Success;
}
else
{
// Note that we read a 32bit value even if CFSocketError is a nint:
// 'or a pointer to an SInt32 error code if the connect failed.'
result = (CFSocketError)Marshal.ReadInt32(data);
}
socket.OnConnect(new CFSocketConnectEventArgs(result));
}
else if (cbType == CFSocketCallBackType.DataCallBack)
{
var ep = CFSocketAddress.EndPointFromAddressPtr(address);
using (var cfdata = new CFData(data, false))
socket.OnData(new CFSocketDataEventArgs(ep, cfdata.GetBuffer()));
}
else if (cbType == CFSocketCallBackType.NoCallBack)
{
// nothing to do
}
else if (cbType == CFSocketCallBackType.ReadCallBack)
{
socket.OnRead(new CFSocketReadEventArgs());
}
else if (cbType == CFSocketCallBackType.WriteCallBack)
{
socket.OnWrite(new CFSocketWriteEventArgs());
}
}
private string CFData()
{
CFData typeArray = new CFData(typeRef);
return(Convert.ToBase64String(typeArray.ToByteArray()));
}
private string CFData()
{
CFData typeArray = new CFData(typeRef);
return Convert.ToBase64String(typeArray.ToByteArray());
}
public CFDataBuffer(IntPtr ptr)
{
data = new CFData(ptr, false);
buffer = data.GetBuffer();
}