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/*
* 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.tomcat.websocket.Transformation;
import org.apache.tomcat.websocket.WsFrameBase;
import org.apache.tomcat.websocket.WsSession;
public class WsFrameServer extends WsFrameBase {
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.
*/
public void onDataAvailable() throws IOException {
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 (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();
}
}
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