1 /*
2 * Copyright 2019 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.http2;
17
18 /**
19 * An ack for a previously received {@link Http2SettingsFrame}.
20 * <p>
21 * The <a href="https://tools.ietf.org/html/rfc7540#section-6.5">HTTP/2 protocol</a> enforces that ACKs are applied in
22 * order, so this ACK will apply to the earliest received and not yet ACKed {@link Http2SettingsFrame} frame.
23 */
24 public interface Http2SettingsAckFrame extends Http2Frame {
25 Http2SettingsAckFrame INSTANCE = new DefaultHttp2SettingsAckFrame();
26
27 @Override
28 String name();
29 }