| /* |
| * 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 org.apache.tomcat.websocket.server; |
| |
| import java.io.EOFException; |
| import java.io.IOException; |
| |
| import javax.servlet.ServletInputStream; |
| |
| import org.apache.juli.logging.Log; |
| import org.apache.juli.logging.LogFactory; |
| import org.apache.tomcat.util.res.StringManager; |
| import org.apache.tomcat.websocket.Transformation; |
| import org.apache.tomcat.websocket.WsFrameBase; |
| import org.apache.tomcat.websocket.WsSession; |
| |
| public class WsFrameServer extends WsFrameBase { |
| |
| private static final Log log = LogFactory.getLog(WsFrameServer.class); |
| private static final StringManager sm = StringManager.getManager(Constants.PACKAGE_NAME); |
| |
| private final ServletInputStream sis; |
| private final Object connectionReadLock = new Object(); |
| |
| |
| public WsFrameServer(ServletInputStream sis, WsSession wsSession, |
| Transformation transformation) { |
| super(wsSession, transformation); |
| this.sis = sis; |
| } |
| |
| |
| /** |
| * Called when there is data in the ServletInputStream to process. |
| * |
| * @throws IOException if an I/O error occurs while processing the available |
| * data |
| */ |
| public void onDataAvailable() throws IOException { |
| if (log.isDebugEnabled()) { |
| log.debug("wsFrameServer.onDataAvailable"); |
| } |
| synchronized (connectionReadLock) { |
| while (isOpen() && sis.isReady()) { |
| // Fill up the input buffer with as much data as we can |
| int read = sis.read(inputBuffer, writePos, inputBuffer.length - writePos); |
| if (log.isDebugEnabled()) { |
| log.debug(sm.getString("wsFrameServer.bytesRead", Integer.toString(read))); |
| } |
| if (read == 0) { |
| return; |
| } |
| if (read == -1) { |
| throw new EOFException(); |
| } |
| writePos += read; |
| processInputBuffer(); |
| } |
| } |
| } |
| |
| |
| @Override |
| protected boolean isMasked() { |
| // Data is from the client so it should be masked |
| return true; |
| } |
| |
| |
| @Override |
| protected Transformation getTransformation() { |
| // Overridden to make it visible to other classes in this package |
| return super.getTransformation(); |
| } |
| |
| |
| @Override |
| protected Log getLog() { |
| return log; |
| } |
| } |