| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| package com.cloud.consoleproxy.vnc.network; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| |
| public class NioSocketTLSOutputStream extends NioSocketOutputStream { |
| |
| private final NioSocketSSLEngineManager sslEngineManager; |
| |
| public NioSocketTLSOutputStream(NioSocketSSLEngineManager sslEngineManager, NioSocket socket) { |
| super(sslEngineManager.getSession().getApplicationBufferSize(), socket); |
| this.sslEngineManager = sslEngineManager; |
| } |
| |
| @Override |
| public void flushWriteBuffer() { |
| int sentUpTo = start; |
| while (sentUpTo < currentPosition) { |
| int n = writeThroughSSLEngineManager(buffer, sentUpTo, currentPosition - sentUpTo); |
| sentUpTo += n; |
| offset += n; |
| } |
| |
| currentPosition = start; |
| } |
| |
| protected int writeThroughSSLEngineManager(byte[] data, int startPos, int length) { |
| try { |
| return sslEngineManager.write(ByteBuffer.wrap(data, startPos, length)); |
| } catch (IOException e) { |
| logger.error(String.format("Error writing though SSL engine manager: %s", e.getMessage()), e); |
| return 0; |
| } |
| } |
| |
| @Override |
| protected int rearrangeWriteBuffer(int itemSize, int numberItems) { |
| checkItemSizeOnBuffer(itemSize); |
| |
| flushWriteBuffer(); |
| |
| int window = endPosition - currentPosition; |
| return Math.min(window / itemSize, numberItems); |
| } |
| } |