mirror of
https://github.com/matrix-construct/construct
synced 2024-10-05 23:28:53 +02:00
467 lines
8.7 KiB
C++
467 lines
8.7 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.
|
|
|
|
using namespace ircd;
|
|
|
|
mapi::header
|
|
IRCD_MODULE
|
|
{
|
|
"Federation :General Library and Utils"
|
|
};
|
|
|
|
namespace ircd::m::feds
|
|
{
|
|
template<class T>
|
|
struct request;
|
|
|
|
template<class T>
|
|
static bool
|
|
handler(const opts &, const closure &, std::list<request<T>> &);
|
|
|
|
template<class T>
|
|
static std::list<request<T>>
|
|
creator(const opts &, const std::function<T (request<T> &, const string_view &origin)> &);
|
|
}
|
|
|
|
template<class T>
|
|
struct ircd::m::feds::request
|
|
:T
|
|
{
|
|
char origin[256];
|
|
char buf[8_KiB];
|
|
|
|
request(const std::function<T (request &)> &closure)
|
|
:T(closure(*this))
|
|
{}
|
|
|
|
request(request &&) = delete;
|
|
request(const request &) = delete;
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// m/feds.h
|
|
//
|
|
|
|
bool
|
|
IRCD_MODULE_EXPORT
|
|
ircd::m::feds::perspective(const opts &opts,
|
|
const closure &closure)
|
|
{
|
|
const auto make_request{[&opts]
|
|
(auto &request, const auto &origin)
|
|
{
|
|
m::v1::key::query::opts v1opts;
|
|
v1opts.dynamic = false;
|
|
v1opts.remote = string_view
|
|
{
|
|
request.origin, strlcpy{request.origin, origin}
|
|
};
|
|
|
|
const m::v1::key::server_key server_key
|
|
{
|
|
opts.arg[0], opts.arg[1]
|
|
};
|
|
|
|
return m::v1::key::query
|
|
{
|
|
{&server_key, 1}, request.buf, std::move(v1opts)
|
|
};
|
|
}};
|
|
|
|
auto requests
|
|
{
|
|
creator<m::v1::key::query>(opts, make_request)
|
|
};
|
|
|
|
return handler(opts, closure, requests);
|
|
}
|
|
|
|
bool
|
|
IRCD_MODULE_EXPORT
|
|
ircd::m::feds::version(const opts &opts,
|
|
const closure &closure)
|
|
{
|
|
static const auto make_request{[]
|
|
(auto &request, const auto &origin)
|
|
{
|
|
m::v1::version::opts opts;
|
|
opts.dynamic = false;
|
|
opts.remote = string_view
|
|
{
|
|
request.origin, strlcpy{request.origin, origin}
|
|
};
|
|
|
|
return m::v1::version
|
|
{
|
|
request.buf, std::move(opts)
|
|
};
|
|
}};
|
|
|
|
auto requests
|
|
{
|
|
creator<m::v1::version>(opts, make_request)
|
|
};
|
|
|
|
return handler(opts, closure, requests);
|
|
}
|
|
|
|
bool
|
|
IRCD_MODULE_EXPORT
|
|
ircd::m::feds::state(const opts &opts,
|
|
const closure &closure)
|
|
{
|
|
const auto make_request{[&opts]
|
|
(auto &request, const auto &origin)
|
|
{
|
|
m::v1::state::opts v1opts;
|
|
v1opts.dynamic = true;
|
|
v1opts.ids_only = opts.arg[0] == "ids";
|
|
v1opts.event_id = opts.event_id;
|
|
v1opts.remote = string_view
|
|
{
|
|
strlcpy{request.origin, origin}
|
|
};
|
|
|
|
return m::v1::state
|
|
{
|
|
opts.room_id, request.buf, std::move(v1opts)
|
|
};
|
|
}};
|
|
|
|
auto requests
|
|
{
|
|
creator<m::v1::state>(opts, make_request)
|
|
};
|
|
|
|
return handler(opts, closure, requests);
|
|
}
|
|
|
|
bool
|
|
IRCD_MODULE_EXPORT
|
|
ircd::m::feds::event(const opts &opts,
|
|
const closure &closure)
|
|
{
|
|
const auto make_request{[&opts]
|
|
(auto &request, const auto &origin)
|
|
{
|
|
m::v1::event::opts v1opts;
|
|
v1opts.dynamic = true;
|
|
v1opts.remote = string_view
|
|
{
|
|
request.origin, strlcpy{request.origin, origin}
|
|
};
|
|
|
|
return m::v1::event
|
|
{
|
|
opts.event_id, request.buf, std::move(v1opts)
|
|
};
|
|
}};
|
|
|
|
auto requests
|
|
{
|
|
creator<m::v1::event>(opts, make_request)
|
|
};
|
|
|
|
return handler(opts, closure, requests);
|
|
}
|
|
|
|
bool
|
|
IRCD_MODULE_EXPORT
|
|
ircd::m::feds::head(const opts &opts,
|
|
const closure &closure)
|
|
{
|
|
const auto make_request{[&opts]
|
|
(auto &request, const auto &origin)
|
|
{
|
|
m::v1::make_join::opts v1opts;
|
|
v1opts.remote = string_view
|
|
{
|
|
strlcpy{request.origin, origin}
|
|
};
|
|
|
|
return m::v1::make_join
|
|
{
|
|
opts.room_id, opts.user_id, request.buf, std::move(v1opts)
|
|
};
|
|
}};
|
|
|
|
auto requests
|
|
{
|
|
creator<m::v1::make_join>(opts, make_request)
|
|
};
|
|
|
|
return handler(opts, closure, requests);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// (internal)
|
|
//
|
|
|
|
template<class T>
|
|
std::list<m::feds::request<T>>
|
|
ircd::m::feds::creator(const opts &opts,
|
|
const std::function<T (request<T> &, const string_view &origin)> &closure)
|
|
{
|
|
assert(opts.room_id);
|
|
const m::room::origins origins
|
|
{
|
|
opts.room_id
|
|
};
|
|
|
|
std::list<m::feds::request<T>> ret;
|
|
origins.for_each([&ret, &closure]
|
|
(const string_view &origin)
|
|
{
|
|
if(!server::errmsg(origin)) try
|
|
{
|
|
ret.emplace_back([&closure, &origin]
|
|
(auto &request)
|
|
{
|
|
return closure(request, origin);
|
|
});
|
|
}
|
|
catch(const std::exception &)
|
|
{
|
|
return;
|
|
}
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
template<class T>
|
|
bool
|
|
ircd::m::feds::handler(const opts &opts,
|
|
const closure &closure,
|
|
std::list<request<T>> &reqs)
|
|
{
|
|
const auto when
|
|
{
|
|
now<steady_point>() + opts.timeout
|
|
};
|
|
|
|
while(!reqs.empty())
|
|
{
|
|
auto next
|
|
{
|
|
ctx::when_any(begin(reqs), end(reqs))
|
|
};
|
|
|
|
if(!next.wait_until(when, std::nothrow))
|
|
break;
|
|
|
|
const auto it
|
|
{
|
|
next.get()
|
|
};
|
|
|
|
auto &req{*it}; try
|
|
{
|
|
const auto code{req.get()};
|
|
const json::array &array{req.in.content};
|
|
const json::object &object{req.in.content};
|
|
if(!closure({req.origin, {}, object, array}))
|
|
return false;
|
|
}
|
|
catch(const std::exception &)
|
|
{
|
|
const ctx::exception_handler eptr;
|
|
if(!closure({req.origin, eptr}))
|
|
return false;
|
|
}
|
|
|
|
reqs.erase(it);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//
|
|
// legacy
|
|
//
|
|
|
|
extern "C" void
|
|
feds__event(const m::event::id &event_id, std::ostream &out)
|
|
{
|
|
const m::room::id::buf room_id{[&event_id]
|
|
{
|
|
const m::event::fetch event
|
|
{
|
|
event_id
|
|
};
|
|
|
|
return m::room::id::buf{at<"room_id"_>(event)};
|
|
}()};
|
|
|
|
struct req
|
|
:m::v1::event
|
|
{
|
|
char origin[256];
|
|
char buf[96_KiB];
|
|
|
|
req(const m::event::id &event_id, const string_view &origin)
|
|
:m::v1::event{[&]
|
|
{
|
|
m::v1::event::opts opts;
|
|
opts.dynamic = false;
|
|
opts.remote = string_view{this->origin, strlcpy(this->origin, origin)};
|
|
return m::v1::event{event_id, mutable_buffer{buf}, std::move(opts)};
|
|
}()}
|
|
{}
|
|
};
|
|
|
|
std::list<req> reqs;
|
|
const m::room::origins origins{room_id};
|
|
origins.for_each([&out, &event_id, &reqs]
|
|
(const string_view &origin)
|
|
{
|
|
const auto emsg
|
|
{
|
|
ircd::server::errmsg(origin)
|
|
};
|
|
|
|
if(emsg)
|
|
{
|
|
out << "! " << origin << " " << emsg << std::endl;
|
|
return;
|
|
}
|
|
|
|
try
|
|
{
|
|
reqs.emplace_back(event_id, origin);
|
|
}
|
|
catch(const std::exception &e)
|
|
{
|
|
out << "! " << origin << " " << e.what() << std::endl;
|
|
return;
|
|
}
|
|
});
|
|
|
|
auto all
|
|
{
|
|
ctx::when_all(begin(reqs), end(reqs))
|
|
};
|
|
|
|
all.wait(30s, std::nothrow);
|
|
|
|
for(auto &req : reqs) try
|
|
{
|
|
if(req.wait(1ms, std::nothrow))
|
|
{
|
|
const auto code{req.get()};
|
|
out << "+ " << req.origin << " " << http::status(code) << std::endl;
|
|
}
|
|
else cancel(req);
|
|
}
|
|
catch(const std::exception &e)
|
|
{
|
|
out << "- " << req.origin << " " << e.what() << std::endl;
|
|
}
|
|
}
|
|
|
|
extern "C" void
|
|
feds__backfill(const m::room::id &room_id,
|
|
const m::event::id &event_id,
|
|
const size_t &limit,
|
|
std::ostream &out)
|
|
{
|
|
struct req
|
|
:m::v1::backfill
|
|
{
|
|
char origin[256];
|
|
char buf[16_KiB];
|
|
|
|
req(const m::room::id &room_id, const m::event::id &event_id, const string_view &origin, const size_t &limit)
|
|
:m::v1::backfill{[&]
|
|
{
|
|
m::v1::backfill::opts opts;
|
|
opts.remote = string_view{this->origin, strlcpy(this->origin, origin)};
|
|
opts.event_id = event_id;
|
|
opts.limit = limit;
|
|
opts.dynamic = true;
|
|
return m::v1::backfill{room_id, mutable_buffer{buf}, std::move(opts)};
|
|
}()}
|
|
{}
|
|
};
|
|
|
|
std::list<req> reqs;
|
|
const m::room::origins origins{room_id};
|
|
origins.for_each([&out, &room_id, &event_id, &limit, &reqs]
|
|
(const string_view &origin)
|
|
{
|
|
const auto emsg
|
|
{
|
|
ircd::server::errmsg(origin)
|
|
};
|
|
|
|
if(!emsg) try
|
|
{
|
|
reqs.emplace_back(room_id, event_id, origin, limit);
|
|
}
|
|
catch(const std::exception &e)
|
|
{
|
|
return;
|
|
}
|
|
});
|
|
|
|
auto all
|
|
{
|
|
ctx::when_all(begin(reqs), end(reqs))
|
|
};
|
|
|
|
all.wait(30s, std::nothrow);
|
|
|
|
std::map<string_view, std::set<const req *>> grid;
|
|
|
|
for(auto &req : reqs) try
|
|
{
|
|
if(req.wait(1ms, std::nothrow))
|
|
{
|
|
const auto code{req.get()};
|
|
const json::object &response{req};
|
|
const json::array pdus
|
|
{
|
|
response.at("pdus")
|
|
};
|
|
|
|
for(const json::object &pdu : pdus)
|
|
{
|
|
const auto &event_id
|
|
{
|
|
unquote(pdu.at("event_id"))
|
|
};
|
|
|
|
grid[event_id].emplace(&req);
|
|
}
|
|
}
|
|
else cancel(req);
|
|
}
|
|
catch(const std::exception &e)
|
|
{
|
|
out << "- " << req.origin << " " << e.what() << std::endl;
|
|
}
|
|
|
|
size_t i(0);
|
|
for(const auto &p : grid)
|
|
out << i++ << " " << p.first << std::endl;
|
|
|
|
for(size_t j(0); j < i; ++j)
|
|
out << "| " << std::left << std::setw(2) << j;
|
|
out << "|" << std::endl;
|
|
|
|
for(const auto &req : reqs)
|
|
{
|
|
for(const auto &p : grid)
|
|
out << "| " << (p.second.count(&req)? '+' : ' ') << " ";
|
|
out << "| " << req.origin << std::endl;
|
|
}
|
|
}
|