public static unsafe SocketError SendFileAsync(SafeCloseSocket handle, FileStream fileStream, byte[] preBuffer, byte[] postBuffer, TransmitFileOptions flags, TransmitFileAsyncResult asyncResult)
{
asyncResult.SetUnmanagedStructures(fileStream, preBuffer, postBuffer, (flags & (TransmitFileOptions.Disconnect | TransmitFileOptions.ReuseSocket)) != 0);
SocketError errorCode = TransmitFileHelper(handle, fileStream?.SafeFileHandle, asyncResult.OverlappedHandle, preBuffer, postBuffer, flags);
// This will release resources if necessary
errorCode = asyncResult.CheckAsyncCallOverlappedResult(errorCode);
return(errorCode);
}
public static unsafe SocketError SendFileAsync(SafeCloseSocket handle, FileStream fileStream, byte[] preBuffer, byte[] postBuffer, TransmitFileOptions flags, TransmitFileAsyncResult asyncResult)
{
asyncResult.SetUnmanagedStructures(fileStream, preBuffer, postBuffer, (flags & (TransmitFileOptions.Disconnect | TransmitFileOptions.ReuseSocket)) != 0);
try
{
bool success = TransmitFileHelper(
handle,
fileStream?.SafeFileHandle,
asyncResult.OverlappedHandle,
preBuffer,
postBuffer,
flags);
return(asyncResult.ProcessOverlappedResult(success, 0));
}
catch
{
asyncResult.ReleaseUnmanagedStructures();
throw;
}
}
public static unsafe SocketError SendFileAsync(SafeCloseSocket handle, FileStream fileStream, byte[] preBuffer, byte[] postBuffer, TransmitFileOptions flags, TransmitFileAsyncResult asyncResult)
{
asyncResult.SetUnmanagedStructures(fileStream, preBuffer, postBuffer, (flags & (TransmitFileOptions.Disconnect | TransmitFileOptions.ReuseSocket)) != 0);
SocketError errorCode = TransmitFileHelper(handle, fileStream?.SafeFileHandle, asyncResult.OverlappedHandle, preBuffer, postBuffer, flags);
// This will release resources if necessary
errorCode = asyncResult.CheckAsyncCallOverlappedResult(errorCode);
return errorCode;
}