mirror of
https://github.com/matrix-construct/construct
synced 2024-11-04 12:58:53 +01:00
92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2018 Jason Volk
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
// DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
|
|
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
|
// IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_SERVER_LINK_H
|
|
|
|
/// A single connection to a remote node.
|
|
///
|
|
struct ircd::server::link
|
|
{
|
|
bool init {false}; ///< link is connecting
|
|
bool fini {false}; ///< link is disconnecting
|
|
bool exclude {false}; ///< link is excluded
|
|
int8_t handles {0}; ///< async operations
|
|
std::shared_ptr<server::node> node; ///< backreference to node
|
|
std::shared_ptr<net::socket> socket; ///< link's socket
|
|
std::list<tag> queue; ///< link's work queue
|
|
|
|
template<class F> size_t accumulate_tags(F&&) const;
|
|
|
|
void inc_handles();
|
|
void dec_handles();
|
|
|
|
void discard_read();
|
|
const_buffer process_read_next(const const_buffer &, tag &, bool &done);
|
|
bool process_read(const_buffer &);
|
|
void handle_readable_success();
|
|
void handle_readable(const error_code &);
|
|
void wait_readable();
|
|
|
|
const_buffer process_write_next(const const_buffer &);
|
|
bool process_write(tag &);
|
|
void handle_writable_success();
|
|
void handle_writable(const error_code &);
|
|
void wait_writable();
|
|
|
|
void handle_close(std::exception_ptr);
|
|
void handle_open(std::exception_ptr);
|
|
|
|
public:
|
|
// config related
|
|
size_t tag_max() const;
|
|
size_t tag_commit_max() const;
|
|
|
|
// indicator lights
|
|
bool connected() const noexcept;
|
|
bool ready() const;
|
|
bool busy() const;
|
|
|
|
// stats for upload-side bytes across all tags
|
|
size_t write_total() const;
|
|
size_t write_completed() const;
|
|
size_t write_remaining() const;
|
|
|
|
// stats for download-side bytes ~across all tags~; note: this is not
|
|
// accurate except for the one tag at the front of the queue having
|
|
// its response processed.
|
|
size_t read_total() const; // see: tag::read_total() notes
|
|
size_t read_completed() const; // see: tag::read_completed() notes
|
|
size_t read_remaining() const; // see: tag::read_remaining() notes
|
|
|
|
// stats for tags
|
|
size_t tag_count() const;
|
|
size_t tag_committed() const;
|
|
size_t tag_uncommitted() const;
|
|
|
|
// request panel
|
|
void submit(request &);
|
|
|
|
// control panel
|
|
bool close(const net::close_opts & = net::close_opts_default);
|
|
bool open(const net::open_opts &);
|
|
|
|
link(server::node &);
|
|
~link() noexcept;
|
|
};
|