1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.shardingsphere.proxy.frontend.authentication;
19
20 import io.netty.channel.ChannelHandlerContext;
21 import org.apache.shardingsphere.authentication.result.AuthenticationResult;
22 import org.apache.shardingsphere.db.protocol.payload.PacketPayload;
23
24 /**
25 * Authentication engine.
26 */
27 public interface AuthenticationEngine {
28
29 /**
30 * Handshake.
31 *
32 * @param context channel handler context
33 * @return connection ID
34 */
35 int handshake(ChannelHandlerContext context);
36
37 /**
38 * Authenticate.
39 *
40 * @param context channel handler context
41 * @param payload packet payload
42 * @return authentication result
43 */
44 AuthenticationResult authenticate(ChannelHandlerContext context, PacketPayload payload);
45 }