82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2012 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SHRPX_DOWNSTREAM_CONNECTION_H
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#define SHRPX_DOWNSTREAM_CONNECTION_H
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#include "shrpx.h"
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#include <memory>
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#include "shrpx_io_control.h"
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namespace shrpx {
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class ClientHandler;
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class Upstream;
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class Downstream;
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struct DownstreamAddrGroup;
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struct DownstreamAddr;
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class DownstreamConnection {
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public:
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DownstreamConnection();
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virtual ~DownstreamConnection();
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virtual int attach_downstream(Downstream *downstream) = 0;
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virtual void detach_downstream(Downstream *downstream) = 0;
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virtual int push_request_headers() = 0;
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virtual int push_upload_data_chunk(const uint8_t *data, size_t datalen) = 0;
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virtual int end_upload_data() = 0;
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virtual void pause_read(IOCtrlReason reason) = 0;
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virtual int resume_read(IOCtrlReason reason, size_t consumed) = 0;
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virtual void force_resume_read() = 0;
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virtual int on_read() = 0;
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virtual int on_write() = 0;
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virtual int on_timeout() { return 0; }
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virtual void on_upstream_change(Upstream *upstream) = 0;
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// true if this object is poolable.
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virtual bool poolable() const = 0;
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virtual const std::shared_ptr<DownstreamAddrGroup> &
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get_downstream_addr_group() const = 0;
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virtual DownstreamAddr *get_addr() const = 0;
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void set_client_handler(ClientHandler *client_handler);
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ClientHandler *get_client_handler();
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Downstream *get_downstream();
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protected:
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ClientHandler *client_handler_;
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Downstream *downstream_;
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};
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} // namespace shrpx
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#endif // SHRPX_DOWNSTREAM_CONNECTION_H
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