1 /*
2 * Copyright 2012 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. You may obtain a copy of the License at:
7 *
8 * https://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package io.netty.handler.codec.socks;
17
18 import io.netty.buffer.ByteBuf;
19 import io.netty.util.internal.ObjectUtil;
20
21 import java.util.Collections;
22 import java.util.List;
23
24 /**
25 * An socks init request.
26 *
27 * @see SocksInitResponse
28 * @see SocksInitRequestDecoder
29 */
30 public final class SocksInitRequest extends SocksRequest {
31 private final List<SocksAuthScheme> authSchemes;
32
33 public SocksInitRequest(List<SocksAuthScheme> authSchemes) {
34 super(SocksRequestType.INIT);
35 this.authSchemes = ObjectUtil.checkNotNull(authSchemes, "authSchemes");
36 }
37
38 /**
39 * Returns the List<{@link SocksAuthScheme}> of this {@link SocksInitRequest}
40 *
41 * @return The List<{@link SocksAuthScheme}> of this {@link SocksInitRequest}
42 */
43 public List<SocksAuthScheme> authSchemes() {
44 return Collections.unmodifiableList(authSchemes);
45 }
46
47 @Override
48 public void encodeAsByteBuf(ByteBuf byteBuf) {
49 byteBuf.writeByte(protocolVersion().byteValue());
50 byteBuf.writeByte(authSchemes.size());
51 for (SocksAuthScheme authScheme : authSchemes) {
52 byteBuf.writeByte(authScheme.byteValue());
53 }
54 }
55 }