mirror of
https://github.com/matrix-construct/construct
synced 2024-12-28 00:14:07 +01:00
148 lines
4.1 KiB
C++
148 lines
4.1 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_SERVER_PEER_H
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namespace ircd::server
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{
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extern std::map<string_view, std::unique_ptr<peer>> peers;
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}
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/// Remote entity.
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///
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struct ircd::server::peer
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{
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struct err;
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static const size_t LINK_MAX;
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static net::sock_opts sock_opts;
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static ios::descriptor close_desc;
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static conf::item<size_t> link_min_default;
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static conf::item<size_t> link_max_default;
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static conf::item<seconds> error_clear_default;
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static conf::item<seconds> remote_ttl_min;
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static conf::item<seconds> remote_ttl_max;
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static conf::item<bool> enable_ipv6;
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static conf::item<ssize_t> only_ipv6;
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static conf::item<ssize_t> sock_nodelay;
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static conf::item<ssize_t> sock_read_bufsz;
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static conf::item<ssize_t> sock_read_lowat;
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static conf::item<ssize_t> sock_write_bufsz;
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static conf::item<ssize_t> sock_write_lowat;
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static uint64_t ids;
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uint64_t id {++ids};
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std::string hostcanon; // hostname:service[:port]
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net::ipport remote;
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system_point remote_expires;
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net::open_opts open_opts;
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std::list<link> links;
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std::unique_ptr<err> e;
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std::string server_version;
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size_t write_bytes {0};
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size_t read_bytes {0};
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size_t tag_done {0};
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bool op_resolve {false};
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bool op_fini {false};
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template<class F> size_t accumulate_links(F&&) const;
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template<class F> size_t accumulate_tags(F&&) const;
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void handle_finished();
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void open_links();
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void handle_resolve_A(const hostport &, const json::array &);
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void handle_resolve_AAAA(const hostport &, const json::array &);
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void handle_resolve_SRV(const hostport &, const json::array &);
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void resolve(const hostport &, const net::dns::opts &);
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void resolve();
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void cleanup_canceled();
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void disperse_uncommitted(link &);
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void disperse(link &);
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void del(link &);
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void handle_head_recv(const link &, const tag &, const http::response::head &);
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void handle_link_done(link &);
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void handle_tag_done(link &, tag &) noexcept;
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void handle_finished(link &);
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void handle_error(link &, const std::system_error &);
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void handle_error(link &, std::exception_ptr);
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void handle_close(link &, std::exception_ptr);
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void handle_open(link &, std::exception_ptr);
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public:
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// indicator lights
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bool finished() const;
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bool expired() const;
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// config related
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size_t link_min() const;
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size_t link_max() const;
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// stats for all links in peer
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size_t link_count() const;
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size_t link_busy() const;
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size_t link_ready() const;
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size_t link_tag_done() const;
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// stats for all tags in all links in peer
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size_t tag_count() const;
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size_t tag_committed() const;
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size_t tag_uncommitted() const;
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// stats for all upload-side bytes in all tags in all links
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size_t write_size() const;
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size_t write_completed() const;
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size_t write_remaining() const;
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// stats for download-side bytes in all tags in all links (note:
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// see notes in link.h/tag.h about inaccuracy here).
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size_t read_size() const;
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size_t read_completed() const;
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size_t read_remaining() const;
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// stats accumulated over time
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size_t write_total() const;
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size_t read_total() const;
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// link control panel
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link &link_add(const size_t &num = 1);
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link *link_get(const request &);
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// request panel
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void submit(request &);
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// Error related
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bool err_has() const;
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string_view err_msg() const;
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template<class... A> void err_set(A&&...);
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bool err_clear();
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bool err_check();
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// control panel
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void cancel();
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void close(const net::close_opts & = net::close_opts_default);
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peer(const net::hostport &hostport,
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const net::open_opts &open_opts = {});
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peer(peer &&) = delete;
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peer(const peer &) = delete;
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~peer() noexcept;
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};
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struct ircd::server::peer::err
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{
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std::exception_ptr eptr;
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system_point etime;
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err(const std::exception_ptr &);
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~err() noexcept;
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};
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