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1 /*
2  * nghttp2 - HTTP/2 C Library
3  *
4  * Copyright (c) 2019 nghttp2 contributors
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining
7  * a copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sublicense, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be
15  * included in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24  */
25 #ifndef H2LOAD_HTTP3_SESSION_H
26 #define H2LOAD_HTTP3_SESSION_H
27 
28 #include "h2load_session.h"
29 
30 #include <nghttp3/nghttp3.h>
31 
32 namespace h2load {
33 
34 struct Client;
35 
36 class Http3Session : public Session {
37 public:
38   Http3Session(Client *client);
39   virtual ~Http3Session();
40   virtual void on_connect();
41   virtual int submit_request();
42   virtual int on_read(const uint8_t *data, size_t len);
43   virtual int on_write();
44   virtual void terminate();
45   virtual size_t max_concurrent_streams();
46 
47   int init_conn();
48   int stream_close(int64_t stream_id, uint64_t app_error_code);
49   void recv_data(int64_t stream_id, const uint8_t *data, size_t datalen);
50   void consume(int64_t stream_id, size_t nconsumed);
51   void begin_headers(int64_t stream_id);
52   void recv_header(int64_t stream_id, const nghttp3_vec *name,
53                    const nghttp3_vec *value);
54   int stop_sending(int64_t stream_id, uint64_t app_error_code);
55   int reset_stream(int64_t stream_id, uint64_t app_error_code);
56 
57   int close_stream(int64_t stream_id, uint64_t app_error_code);
58   int shutdown_stream_read(int64_t stream_id);
59   int extend_max_local_streams();
60   int64_t submit_request_internal();
61 
62   ssize_t read_stream(uint32_t flags, int64_t stream_id, const uint8_t *data,
63                       size_t datalen);
64   ssize_t write_stream(int64_t &stream_id, int &fin, nghttp3_vec *vec,
65                        size_t veccnt);
66   void block_stream(int64_t stream_id);
67   void shutdown_stream_write(int64_t stream_id);
68   int add_write_offset(int64_t stream_id, size_t ndatalen);
69   int add_ack_offset(int64_t stream_id, size_t datalen);
70 
71   void read_data(nghttp3_vec *vec, size_t veccnt, uint32_t *pflags);
72 
73 private:
74   Client *client_;
75   nghttp3_conn *conn_;
76   size_t npending_request_;
77   size_t reqidx_;
78 };
79 
80 } // namespace h2load
81 
82 #endif // H2LOAD_HTTP3_SESSION_H
83