Ejemplo n.º 1
0
        private void SendFileInternal(string fileName, byte[] preBuffer, byte[] postBuffer, TransmitFileOptions flags)
        {
            // Open the file, if any
            FileStream fileStream = OpenFile(fileName);

            SocketError errorCode;

            using (fileStream)
            {
                SafeFileHandle fileHandle = fileStream?.SafeFileHandle;

                // This can throw ObjectDisposedException.
                errorCode = SocketPal.SendFile(_handle, fileHandle, preBuffer, postBuffer, flags);
            }

            if (errorCode != SocketError.Success)
            {
                SocketException socketException = new SocketException((int)errorCode);
                UpdateStatusAfterSocketError(socketException);
                if (NetEventSource.IsEnabled)
                {
                    NetEventSource.Error(this, socketException);
                }
                throw socketException;
            }

            // If the user passed the Disconnect and/or ReuseSocket flags, then TransmitFile disconnected the socket.
            // Update our state to reflect this.
            if ((flags & (TransmitFileOptions.Disconnect | TransmitFileOptions.ReuseSocket)) != 0)
            {
                SetToDisconnected();
                _remoteEndPoint = null;
            }
        }
Ejemplo n.º 2
0
        private void SendFileInternal(string fileName, byte[] preBuffer, byte[] postBuffer, TransmitFileOptions flags)
        {
            CheckTransmitFileOptions(flags);

            // Open the file, if any
            // Open it before we send the preBuffer so that any exception happens first
            FileStream fileStream = OpenFile(fileName);

            SocketError errorCode = SocketError.Success;

            using (fileStream)
            {
                // Send the preBuffer, if any
                // This will throw on error
                if (preBuffer != null && preBuffer.Length > 0)
                {
                    Send(preBuffer);
                }

                // Send the file, if any
                if (fileStream != null)
                {
                    // This can throw ObjectDisposedException.
                    errorCode = SocketPal.SendFile(_handle, fileStream);
                }
            }

            if (errorCode != SocketError.Success)
            {
                SocketException socketException = new SocketException((int)errorCode);
                UpdateStatusAfterSocketError(socketException);
                if (NetEventSource.IsEnabled)
                {
                    NetEventSource.Error(this, socketException);
                }
                throw socketException;
            }

            // Send the postBuffer, if any
            // This will throw on error
            if (postBuffer != null && postBuffer.Length > 0)
            {
                Send(postBuffer);
            }
        }
Ejemplo n.º 3
0
        private void SendFileInternal(string?fileName, byte[]?preBuffer, byte[]?postBuffer, TransmitFileOptions flags)
        {
            CheckTransmitFileOptions(flags);

            // Open the file, if any
            // Open it before we send the preBuffer so that any exception happens first
            FileStream?fileStream = OpenFile(fileName);

            SocketError errorCode = SocketError.Success;

            using (fileStream)
            {
                // Send the preBuffer, if any
                // This will throw on error
                if (preBuffer != null && preBuffer.Length > 0)
                {
                    Send(preBuffer);
                }

                // Send the file, if any
                if (fileStream != null)
                {
                    // This can throw ObjectDisposedException.
                    errorCode = SocketPal.SendFile(_handle, fileStream);
                }
            }

            if (errorCode != SocketError.Success)
            {
                UpdateSendSocketErrorForDisposed(ref errorCode);

                UpdateStatusAfterSocketErrorAndThrowException(errorCode);
            }

            // Send the postBuffer, if any
            // This will throw on error
            if (postBuffer != null && postBuffer.Length > 0)
            {
                Send(postBuffer);
            }
        }