2 * nghttp2 - HTTP/2 C Library
4 * Copyright (c) 2012 Tatsuhiro Tsujikawa
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:
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
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.
25 #ifndef SHRPX_SPDY_UPSTREAM_H
26 #define SHRPX_SPDY_UPSTREAM_H
34 #include <spdylay/spdylay.h>
36 #include "shrpx_upstream.h"
37 #include "shrpx_downstream_queue.h"
45 class SpdyUpstream : public Upstream {
47 SpdyUpstream(uint16_t version, ClientHandler *handler);
48 virtual ~SpdyUpstream();
49 virtual int on_read();
50 virtual int on_write();
51 virtual int on_timeout(Downstream *downstream);
52 virtual int on_downstream_abort_request(Downstream *downstream,
53 unsigned int status_code);
54 virtual ClientHandler *get_client_handler() const;
55 virtual int downstream_read(DownstreamConnection *dconn);
56 virtual int downstream_write(DownstreamConnection *dconn);
57 virtual int downstream_eof(DownstreamConnection *dconn);
58 virtual int downstream_error(DownstreamConnection *dconn, int events);
59 Downstream *add_pending_downstream(int32_t stream_id, int32_t priority);
60 void remove_downstream(Downstream *downstream);
61 Downstream *find_downstream(int32_t stream_id);
63 spdylay_session *get_http2_session();
65 int rst_stream(Downstream *downstream, int status_code);
66 int error_reply(Downstream *downstream, unsigned int status_code);
68 virtual void pause_read(IOCtrlReason reason);
69 virtual int resume_read(IOCtrlReason reason, Downstream *downstream,
72 virtual int on_downstream_header_complete(Downstream *downstream);
73 virtual int on_downstream_body(Downstream *downstream, const uint8_t *data,
74 size_t len, bool flush);
75 virtual int on_downstream_body_complete(Downstream *downstream);
77 virtual void on_handler_delete();
78 virtual int on_downstream_reset(bool no_retry);
80 virtual MemchunkPool *get_mcpool();
82 bool get_flow_control() const;
84 int consume(int32_t stream_id, size_t len);
86 void start_downstream(Downstream *downstream);
87 void initiate_downstream(std::unique_ptr<Downstream> downstream);
90 // must be put before downstream_queue_
92 DownstreamQueue downstream_queue_;
93 ClientHandler *handler_;
94 spdylay_session *session_;
95 int32_t initial_window_size_;
101 #endif // SHRPX_SPDY_UPSTREAM_H