1 /** @file
2  *
3  *  A brief file description
4  *
5  *  @section license License
6  *
7  *  Licensed to the Apache Software Foundation (ASF) under one
8  *  or more contributor license agreements.  See the NOTICE file
9  *  distributed with this work for additional information
10  *  regarding copyright ownership.  The ASF licenses this file
11  *  to you under the Apache License, Version 2.0 (the
12  *  "License"); you may not use this file except in compliance
13  *  with the License.  You may obtain a copy of the License at
14  *
15  *      http://www.apache.org/licenses/LICENSE-2.0
16  *
17  *  Unless required by applicable law or agreed to in writing, software
18  *  distributed under the License is distributed on an "AS IS" BASIS,
19  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20  *  See the License for the specific language governing permissions and
21  *  limitations under the License.
22  */
23 
24 #pragma once
25 
26 #include "QUICApplication.h"
27 #include "Http3Frame.h"
28 #include "Http3FrameHandler.h"
29 #include <vector>
30 
31 class Http3FrameDispatcher
32 {
33 public:
34   Http3ErrorUPtr on_read_ready(QUICStreamIO &stream_io, uint64_t &nread);
35 
36   void add_handler(Http3FrameHandler *handler);
37 
38 private:
39   enum READING_STATE {
40     READING_TYPE_LEN,
41     READING_LENGTH_LEN,
42     READING_PAYLOAD_LEN,
43     READING_PAYLOAD,
44   } _reading_state = READING_TYPE_LEN;
45   int64_t _reading_frame_type_len;
46   int64_t _reading_frame_length_len;
47   uint64_t _reading_frame_payload_len;
48   Http3FrameFactory _frame_factory;
49   std::vector<Http3FrameHandler *> _handlers[256];
50 };
51