/*
 * Copyright DataStax, Inc.
 *
 * 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 com.datastax.driver.core;

import io.netty.channel.socket.SocketChannel;
import io.netty.handler.ssl.SslHandler;

import java.net.InetSocketAddress;

/**
 * Child interface to {@link SSLOptions} with the possibility to pass remote endpoint data
 * when instantiating {@link SslHandler}s.
 * <p/>
 * This is needed when e.g. hostname verification is required.
 * See <a href="https://datastax-oss.atlassian.net/browse/JAVA-1364">JAVA-1364</a> for details.
 * <p/>
 * The reason this is a child interface is to keep {@link SSLOptions} backwards-compatible.
 * This interface may be be merged into {@link SSLOptions} in a later major release.
 *
 * @see <a href="https://datastax-oss.atlassian.net/browse/JAVA-1364">JAVA-1364</a>
 * @since 3.2.0
 */
public interface RemoteEndpointAwareSSLOptions extends SSLOptions {

    /**
     * Creates a new SSL handler for the given Netty channel and the given remote endpoint.
     * <p/>
     * This gets called each time the driver opens a new connection to a Cassandra host. The newly created handler will be added
     * to the channel's pipeline to provide SSL support for the connection.
     * <p/>
     * You don't necessarily need to implement this method directly; see the provided implementations:
     * {@link RemoteEndpointAwareJdkSSLOptions} and {@link RemoteEndpointAwareNettySSLOptions}.
     *
     * @param channel        the channel.
     * @param remoteEndpoint the remote endpoint address.
     * @return a newly-created {@link SslHandler}.
     */
    SslHandler newSSLHandler(SocketChannel channel, InetSocketAddress remoteEndpoint);

}
