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/*
 * Copyright (C) 2005-2008 Jive Software and Artur Hefczyc. All rights reserved.
 *
 * Licensed 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.jivesoftware.openfire.net;

/**
 * A TLSStatus enum describing the current handshaking state of this TLS connection.
 * 
 * @author Artur Hefczyc
 * @author Hao Chen
 */
public enum TLSStatus {

    /**
     * ust send data to the remote side before handshaking can continue.
     */
    NEED_WRITE,

    /**
     * Need to receive data from the remote side before handshaking can continue.
     */
    NEED_READ,

    /**
     * Not be able to unwrap the incoming data because there were not enough source bytes available
     * to make a complete packet.
     */
    UNDERFLOW,

    /**
     * The operation just closed this side of the SSLEngine, or the operation could not be completed
     * because it was already closed.
     */
    CLOSED,

    /**
     * Handshaking is OK.
     */
    OK;
}