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construct/include/ircd/server/node.h

93 lines
2.6 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// 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. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_SERVER_NODE_H
/// Remote entity.
///
struct ircd::server::node
:std::enable_shared_from_this<ircd::server::node>
{
static conf::item<size_t> link_min_default;
static conf::item<size_t> link_max_default;
net::remote remote;
std::list<link> links;
std::exception_ptr eptr;
string_view emsg; // points to eptr->what()
steady_point etime; // time of error
std::string server_name;
template<class F> size_t accumulate_links(F&&) const;
template<class F> size_t accumulate_tags(F&&) const;
void handle_resolve(std::weak_ptr<node>, std::exception_ptr, const ipport &);
void resolve(const hostport &);
void disperse_uncommitted(link &);
void disperse(link &);
void del(link &);
void handle_head_recv(const link &, const tag &, const http::response::head &);
void handle_link_done(link &);
void handle_tag_done(link &, tag &) noexcept;
void handle_finished(link &);
void handle_error(link &, const boost::system::system_error &);
void handle_error(link &, std::exception_ptr);
void handle_close(link &, std::exception_ptr);
void handle_open(link &, std::exception_ptr);
public:
// config related
size_t link_min() const;
size_t link_max() const;
// stats for all links in node
size_t link_count() const;
size_t link_busy() const;
size_t link_ready() const;
// stats for all tags in all links in node
size_t tag_count() const;
size_t tag_committed() const;
size_t tag_uncommitted() const;
// stats for all upload-side bytes in all tags in all links
size_t write_total() const;
size_t write_completed() const;
size_t write_remaining() const;
// stats for download-side bytes in all tags in all links (note:
// see notes in link.h/tag.h about inaccuracy here).
size_t read_total() const;
size_t read_completed() const;
size_t read_remaining() const;
// link control panel
link &link_add(const size_t &num = 1);
link *link_get(const request &);
// request panel
void submit(request &);
// Error related
bool err_has() const;
string_view err_msg() const;
void err_clear();
// control panel
void interrupt();
void close(const net::close_opts & = net::close_opts_default);
node();
~node() noexcept;
};