/
Http2EmptyDataFrameConnectionDecoder.java
41 lines (36 loc) · 1.55 KB
/
Http2EmptyDataFrameConnectionDecoder.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
/*
* Copyright 2019 The Netty Project
*
* The Netty Project licenses this file to you 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 io.netty.handler.codec.http2;
import io.netty.util.internal.ObjectUtil;
/**
* Enforce a limit on the maximum number of consecutive empty DATA frames (without end_of_stream flag) that are allowed
* before the connection will be closed.
*/
final class Http2EmptyDataFrameConnectionDecoder extends DecoratingHttp2ConnectionDecoder {
private final int maxConsecutiveEmptyFrames;
Http2EmptyDataFrameConnectionDecoder(Http2ConnectionDecoder delegate, int maxConsecutiveEmptyFrames) {
super(delegate);
this.maxConsecutiveEmptyFrames = ObjectUtil.checkPositive(
maxConsecutiveEmptyFrames, "maxConsecutiveEmptyFrames");
}
@Override
public void frameListener(Http2FrameListener listener) {
if (listener != null) {
super.frameListener(new Http2EmptyDataFrameListener(listener, maxConsecutiveEmptyFrames));
} else {
super.frameListener(null);
}
}
}