org.apache.tomcat.jni.BIOCallback Maven / Gradle / Ivy

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A Mavenized fork of Tomcat Native which incorporates various patches. This artifact is statically linked to OpenSSL and Apache APR.

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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.jni;

/** Open SSL BIO Callback Interface
 *
 * @author Mladen Turk
 */
public interface BIOCallback {

    /**
     * Write data
     * @param buf containing the bytes to write.
     * @return Number of characters written.
     */
    public int write(byte [] buf);

    /**
     * Read data
     * @param buf buffer to store the read bytes.
     * @return number of bytes read.
     */
    public int read(byte [] buf);

    /**
     * Puts string
     * @param data String to write
     * @return Number of characters written
     */
    public int puts(String data);

    /**
     * Read string up to the len or CLRLF
     * @param len Maximum number of characters to read
     * @return String with up to len bytes read
     */
    public String gets(int len);

}