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construct/modules/federation/sender.h
2020-03-05 20:06:14 -08:00

109 lines
2.1 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.
//
// Internal header for sender.cc only.
// Do not include.
//
using namespace ircd;
struct txn;
struct node;
struct unit
:std::enable_shared_from_this<unit>
{
enum type { PDU, EDU, FAILURE };
enum type type;
std::string s;
unit(std::string s, const enum type &type);
unit(const m::event &event);
};
unit::unit(std::string s, const enum type &type)
:type{type}
,s{std::move(s)}
{
}
unit::unit(const m::event &event)
:type{event.event_id? PDU : EDU}
,s{[this, &event]() -> std::string
{
switch(this->type)
{
case PDU:
return json::strung{event};
case EDU:
return json::strung{json::members
{
{ "content", json::get<"content"_>(event) },
{ "edu_type", json::get<"type"_>(event) },
}};
default:
return {};
}
}()}
{
}
struct txndata
{
std::string content;
string_view txnid;
char txnidbuf[64];
txndata(std::string content)
:content{std::move(content)}
,txnid{m::txn::create_id(txnidbuf, this->content)}
{}
};
struct node
{
std::deque<std::shared_ptr<unit>> q;
std::array<char, rfc3986::DOMAIN_BUFSIZE> rembuf;
string_view remote;
m::node::room room;
server::request::opts sopts;
txn *curtxn {nullptr};
bool err {false};
bool flush();
void push(std::shared_ptr<unit>);
node(const string_view &remote)
:remote{ircd::strlcpy{mutable_buffer{rembuf}, remote}}
,room{this->remote}
{}
};
struct txn
:txndata
,m::fed::send
{
struct node *node;
steady_point timeout;
char headers[8_KiB];
txn(struct node &node,
std::string content,
m::fed::send::opts opts)
:txndata{std::move(content)}
,send{this->txnid, string_view{this->content}, this->headers, std::move(opts)}
,node{&node}
,timeout{now<steady_point>()} //TODO: conf
{}
};