private IAsyncResult BeginSendFileInternal(string fileName, byte[] preBuffer, byte[] postBuffer, TransmitFileOptions flags, AsyncCallback callback, object state)
{
FileStream fileStream = OpenFile(fileName);
TransmitFileAsyncResult asyncResult = new TransmitFileAsyncResult(this, state, callback);
asyncResult.StartPostingAsyncOp(false);
SocketError errorCode = SocketPal.SendFileAsync(_handle, fileStream, preBuffer, postBuffer, flags, asyncResult);
// Check for synchronous exception
if (errorCode != SocketError.Success)
{
SocketException socketException = new SocketException((int)errorCode);
UpdateStatusAfterSocketError(socketException);
if (NetEventSource.IsEnabled)
{
NetEventSource.Error(this, socketException);
}
throw socketException;
}
asyncResult.FinishPostingAsyncOp(ref Caches.SendClosureCache);
return(asyncResult);
}
private IAsyncResult BeginSendFileInternal(string fileName, byte[] preBuffer, byte[] postBuffer, TransmitFileOptions flags, AsyncCallback callback, object state)
{
FileStream fileStream = OpenFile(fileName);
TransmitFileAsyncResult asyncResult = new TransmitFileAsyncResult(this, state, callback);
asyncResult.StartPostingAsyncOp(false);
SocketError errorCode = SocketPal.SendFileAsync(_handle, fileStream, preBuffer, postBuffer, flags, asyncResult);
// Check for synchronous exception
if (!CheckErrorAndUpdateStatus(errorCode))
{
throw new SocketException((int)errorCode);
}
asyncResult.FinishPostingAsyncOp(ref Caches.SendClosureCache);
return(asyncResult);
}
private IAsyncResult BeginSendFileInternal(string fileName, byte[] preBuffer, byte[] postBuffer, TransmitFileOptions flags, AsyncCallback callback, object state)
{
FileStream fileStream = OpenFile(fileName);
TransmitFileAsyncResult asyncResult = new TransmitFileAsyncResult(this, state, callback);
asyncResult.StartPostingAsyncOp(false);
SocketError errorCode = SocketPal.SendFileAsync(_handle, fileStream, preBuffer, postBuffer, flags, asyncResult);
// Check for synchronous exception
if (errorCode != SocketError.Success)
{
SocketException socketException = new SocketException((int)errorCode);
UpdateStatusAfterSocketError(socketException);
if (NetEventSource.IsEnabled) NetEventSource.Error(this, socketException);
throw socketException;
}
asyncResult.FinishPostingAsyncOp(ref Caches.SendClosureCache);
return asyncResult;
}
