1 /*
2  * nghttp2 - HTTP/2 C Library
3  *
4  * Copyright (c) 2014 Tatsuhiro Tsujikawa
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_SESSION_H
26 #define H2LOAD_SESSION_H
27 
28 #include "nghttp2_config.h"
29 
30 #include <sys/types.h>
31 
32 #include <cinttypes>
33 
34 #include "h2load.h"
35 
36 namespace h2load {
37 
38 class Session {
39 public:
~Session()40   virtual ~Session() {}
41   // Called when the connection was made.
42   virtual void on_connect() = 0;
43   // Called when one request must be issued.
44   virtual int submit_request() = 0;
45   // Called when incoming bytes are available. The subclass has to
46   // return the number of bytes read.
47   virtual int on_read(const uint8_t *data, size_t len) = 0;
48   // Called when write is available. Returns 0 on success, otherwise
49   // return -1.
50   virtual int on_write() = 0;
51   // Called when the underlying session must be terminated.
52   virtual void terminate() = 0;
53   // Return the maximum concurrency per connection
54   virtual size_t max_concurrent_streams() = 0;
55 };
56 
57 } // namespace h2load
58 
59 #endif // H2LOAD_SESSION_H
60