1 /*
2 * Copyright 2023 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.compression;
17
18 import io.netty.channel.ChannelFuture;
19 import io.netty.channel.ChannelHandlerContext;
20 import io.netty.channel.ChannelPromise;
21 import io.netty.util.concurrent.Future;
22
23 import java.util.concurrent.TimeUnit;
24
25 final class EncoderUtil {
26 private static final int THREAD_POOL_DELAY_SECONDS = 10;
27
28 static void closeAfterFinishEncode(final ChannelHandlerContext ctx, final ChannelFuture finishFuture,
29 final ChannelPromise promise) {
30 if (!finishFuture.isDone()) {
31 // Ensure the channel is closed even if the write operation completes in time.
32 final Future<?> future = ctx.executor().schedule(new Runnable() {
33 @Override
34 public void run() {
35 ctx.close(promise);
36 }
37 }, THREAD_POOL_DELAY_SECONDS, TimeUnit.SECONDS);
38
39 finishFuture.addListener(f -> {
40 // Cancel the scheduled timeout.
41 future.cancel(true);
42 if (!promise.isDone()) {
43 ctx.close(promise);
44 }
45 });
46 } else {
47 ctx.close(promise);
48 }
49 }
50
51 private EncoderUtil() { }
52 }
53