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construct/include/ircd/client.h

114 lines
3.2 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;
//TODO: want to upgrade
char *read(client &, char *&start, char *const &stop);
parse::read_closure read_closure(client &);
std::shared_ptr<client> add_client(std::shared_ptr<socket>); // Creates a client.
}
/// Remote party connecting to our daemon to make requests.
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;
static uint64_t ctr; // monotonic
static void interrupt_all();
static void close_all();
static void wait_all();
struct conf *conf {&default_conf};
unique_buffer<mutable_buffer> head_buffer;
unique_buffer<mutable_buffer> content_buffer;
std::shared_ptr<socket> sock;
uint64_t id {++ctr};
ctx::ctx *reqctx {nullptr};
ircd::timer timer;
size_t head_length {0};
size_t content_consumed {0};
resource::request request;
size_t write_all(const const_buffer &);
void close(const net::close_opts &, net::close_callback);
ctx::future<void> close(const net::close_opts & = {});
void discard_unconsumed(const http::request::head &);
bool resource_request(const http::request::head &);
bool handle_request(parse::capstan &pc);
bool main();
bool 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 &);
};
/// Confs can be attached to individual clients to change their behavior
struct ircd::client::conf
{
static ircd::conf::item<seconds> async_timeout_default;
static ircd::conf::item<seconds> request_timeout_default;
static ircd::conf::item<size_t> header_max_size_default;
/// 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 {async_timeout_default};
/// Time limit for how long a connected client can be sending its request.
/// This is meaningful before the resource being sought is known (while
/// receiving headers), after which its own specific timeout specified by
/// its options takes over.
seconds request_timeout {request_timeout_default};
/// Number of bytes allocated to receive HTTP request headers for client.
size_t header_max_size {header_max_size_default};
};
/// Settings apply to all clients and cannot be configured per-client
struct ircd::client::settings
{
static ircd::conf::item<size_t> stack_size;
static ircd::conf::item<size_t> pool_size;
};
struct ircd::client::init
{
void interrupt();
void close();
void wait();
init();
~init() noexcept;
};