nghttp2/src/shrpx_http2_downstream_conn...

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/*
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* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef SHRPX_HTTP2_DOWNSTREAM_CONNECTION_H
#define SHRPX_HTTP2_DOWNSTREAM_CONNECTION_H
#include "shrpx.h"
#include <openssl/ssl.h>
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#include <nghttp2/nghttp2.h>
#include "shrpx_downstream_connection.h"
namespace shrpx {
struct StreamData;
class Http2Session;
class DownstreamConnectionPool;
class Http2DownstreamConnection : public DownstreamConnection {
public:
Http2DownstreamConnection(DownstreamConnectionPool *dconn_pool,
Http2Session *http2session);
virtual ~Http2DownstreamConnection();
virtual int attach_downstream(Downstream *downstream);
virtual void detach_downstream(Downstream *downstream);
virtual int push_request_headers();
virtual int push_upload_data_chunk(const uint8_t *data, size_t datalen);
virtual int end_upload_data();
virtual void pause_read(IOCtrlReason reason) {}
virtual int resume_read(IOCtrlReason reason, size_t consumed);
virtual void force_resume_read() {}
virtual int on_read();
virtual int on_write();
virtual int on_timeout();
virtual void on_upstream_change(Upstream *upstream) {}
virtual int on_priority_change(int32_t pri);
virtual size_t get_group() const;
// This object is not poolable because we dont' have facility to
// migrate to another Http2Session object.
virtual bool poolable() const { return false; }
int send();
void attach_stream_data(StreamData *sd);
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StreamData *detach_stream_data();
int submit_rst_stream(Downstream *downstream,
uint32_t error_code = NGHTTP2_INTERNAL_ERROR);
Http2DownstreamConnection *dlnext, *dlprev;
private:
Http2Session *http2session_;
StreamData *sd_;
};
} // namespace shrpx
#endif // SHRPX_HTTP2_DOWNSTREAM_CONNECTION_H