/
FlinkHttpObjectAggregator.java
69 lines (59 loc) · 2.71 KB
/
FlinkHttpObjectAggregator.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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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 org.apache.flink.runtime.rest;
import org.apache.flink.configuration.RestOptions;
import org.apache.flink.runtime.rest.handler.util.HandlerUtils;
import org.apache.flink.runtime.rest.messages.ErrorResponseBody;
import org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerContext;
import org.apache.flink.shaded.netty4.io.netty.handler.codec.TooLongFrameException;
import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpObject;
import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpResponseStatus;
import javax.annotation.Nonnull;
import java.util.List;
import java.util.Map;
/**
* Same as {@link org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpObjectDecoder} but
* returns HTTP 413 to the client if the payload exceeds {@link #maxContentLength}.
*/
public class FlinkHttpObjectAggregator
extends org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpObjectAggregator {
private final Map<String, String> responseHeaders;
public FlinkHttpObjectAggregator(
final int maxContentLength, @Nonnull final Map<String, String> responseHeaders) {
super(maxContentLength);
this.responseHeaders = responseHeaders;
}
@Override
protected void decode(
final ChannelHandlerContext ctx, final HttpObject msg, final List<Object> out)
throws Exception {
try {
super.decode(ctx, msg, out);
} catch (final TooLongFrameException e) {
HandlerUtils.sendErrorResponse(
ctx,
false,
new ErrorResponseBody(
String.format(
e.getMessage() + " Try to raise [%s]",
RestOptions.SERVER_MAX_CONTENT_LENGTH.key())),
HttpResponseStatus.REQUEST_ENTITY_TOO_LARGE,
responseHeaders);
}
}
}