io.netty.internal.tcnative.SSLTask Maven / Gradle / Ivy
/*
* Copyright 2019 The Netty Project
*
* The Netty Project 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 io.netty.internal.tcnative;
/**
* A SSL related task that will be returned by {@link SSL#getTask(int)}
*/
abstract class SSLTask implements Runnable {
private final long ssl;
// These fields are accessed via JNI.
private int returnValue;
private boolean complete;
protected SSLTask(long ssl) {
// It is important that this constructor never throws. Be sure to not change this!
this.ssl = ssl;
}
@Override
public final void run() {
if (!complete) {
complete = true;
returnValue = runTask(ssl);
}
}
/**
* Run the task and return the return value that should be passed back to OpenSSL.
*/
protected abstract int runTask(long ssl);
}