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construct/include/ircd/client.h
2018-02-05 21:24:34 -08:00

120 lines
2.9 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_CLIENT_H
namespace ircd
{
struct client;
const char *write(client &, const char *&start, const char *const &stop);
char *read(client &, char *&start, char *const &stop);
http::response::write_closure write_closure(client &);
parse::read_closure read_closure(client &);
void close_all_clients();
std::shared_ptr<client> add_client(std::shared_ptr<socket>); // Creates a client.
}
struct ircd::client
:std::enable_shared_from_this<client>
,ircd::instance_list<client>
{
struct init;
struct conf;
struct settings;
struct request;
static struct settings settings;
static struct conf default_conf;
static ctx::pool context;
std::shared_ptr<socket> sock;
struct conf *conf {&default_conf};
struct request *request {nullptr};
void close(const net::close_opts &, net::close_callback);
ctx::future<void> close(const net::close_opts & = {});
void discard_unconsumed(struct request &);
bool resource_request(struct request &);
bool handle_request(parse::capstan &pc);
bool main() noexcept;
void async();
public:
client(std::shared_ptr<socket>);
client();
client(client &&) = delete;
client(const client &) = delete;
client &operator=(client &&) = delete;
client &operator=(const client &) = delete;
~client() noexcept;
friend ipport remote(const client &);
friend ipport local(const client &);
};
/// Organizes components of an individual request. A pointer to this structure
/// is placed as a member of client when a request is being made; this allows
/// for access to it without a separate argument wherever client goes.
struct ircd::client::request
{
static constexpr size_t HEAD_MAX
{
4_KiB
};
ircd::timer timer;
http::request::head head;
size_t content_consumed {0};
string_view content_partial;
request(parse::capstan &pc);
};
/// Confs can be attached to individual clients to change their behavior
struct ircd::client::conf
{
/// Default time limit for how long a client connection can be in "async mode"
/// (or idle mode) after which it is disconnected.
seconds async_timeout {35s};
/// Time limit for how long a connected client can be in "request mode." This
/// should never be hit unless there's an error in the handling code.
seconds request_timeout {15s};
};
/// Settings apply to all clients and cannot be configured per-client
struct ircd::client::settings
{
/// TODO
size_t stack_size
{
1_MiB
};
/// TODO
size_t pool_size
{
128
};
};
struct ircd::client::init
{
void interrupt();
init();
~init() noexcept;
};