mirror of
https://github.com/matrix-construct/construct
synced 2024-10-30 02:18:58 +01:00
588 lines
11 KiB
C++
588 lines
11 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::v1
|
|
{
|
|
struct version;
|
|
struct state;
|
|
struct head;
|
|
struct perspective;
|
|
}
|
|
|
|
struct ircd::m::feds::v1::version
|
|
:m::v1::version
|
|
{
|
|
using closure = std::function<bool (const string_view &, std::exception_ptr, const json::object &)>;
|
|
|
|
char origin[256];
|
|
char buf[16_KiB];
|
|
|
|
version(const string_view &origin)
|
|
:m::v1::version{[&]
|
|
{
|
|
m::v1::version::opts opts;
|
|
opts.dynamic = false;
|
|
opts.remote = string_view{this->origin, strlcpy(this->origin, origin)};
|
|
return m::v1::version{mutable_buffer{buf}, std::move(opts)};
|
|
}()}
|
|
{}
|
|
|
|
version(version &&) = delete;
|
|
version(const version &) = delete;
|
|
};
|
|
|
|
std::list<m::feds::v1::version>
|
|
feds__version(const m::room::id &room_id)
|
|
{
|
|
std::list<m::feds::v1::version> reqs;
|
|
m::room::origins{room_id}.for_each([&reqs]
|
|
(const string_view &origin)
|
|
{
|
|
const auto emsg
|
|
{
|
|
ircd::server::errmsg(origin)
|
|
};
|
|
|
|
if(!emsg) try
|
|
{
|
|
reqs.emplace_back(origin);
|
|
}
|
|
catch(const std::exception &)
|
|
{
|
|
return;
|
|
}
|
|
});
|
|
|
|
return std::move(reqs);
|
|
}
|
|
|
|
extern "C" void
|
|
feds__version(const m::room::id &room_id,
|
|
const milliseconds &timeout,
|
|
const m::feds::v1::version::closure &closure)
|
|
{
|
|
auto reqs
|
|
{
|
|
feds__version(room_id)
|
|
};
|
|
|
|
auto when
|
|
{
|
|
now<steady_point>() + 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::object &response{req};
|
|
if(!closure(req.origin, {}, response))
|
|
break;
|
|
}
|
|
catch(const std::exception &)
|
|
{
|
|
if(!closure(req.origin, std::current_exception(), {}))
|
|
break;
|
|
}
|
|
|
|
reqs.erase(it);
|
|
}
|
|
}
|
|
|
|
struct ircd::m::feds::v1::state
|
|
:m::v1::state
|
|
{
|
|
using closure = std::function<bool (const string_view &, std::exception_ptr, const json::object &)>;
|
|
|
|
char origin[256];
|
|
char buf[16_KiB];
|
|
|
|
state(const m::room::id &room_id, const m::event::id &event_id, const string_view &origin)
|
|
:m::v1::state{[&]
|
|
{
|
|
m::v1::state::opts opts;
|
|
opts.dynamic = true;
|
|
opts.ids_only = true;
|
|
opts.event_id = event_id;
|
|
opts.remote = string_view{strlcpy{this->origin, origin}};
|
|
return m::v1::state{room_id, mutable_buffer{buf}, std::move(opts)};
|
|
}()}
|
|
{}
|
|
|
|
state(state &&) = delete;
|
|
state(const state &) = delete;
|
|
};
|
|
|
|
std::list<m::feds::v1::state>
|
|
feds__state(const m::room::id &room_id,
|
|
const m::event::id &event_id)
|
|
{
|
|
std::list<m::feds::v1::state> reqs;
|
|
m::room::origins{room_id}.for_each([&room_id, &event_id, &reqs]
|
|
(const string_view &origin)
|
|
{
|
|
const auto emsg
|
|
{
|
|
ircd::server::errmsg(origin)
|
|
};
|
|
|
|
if(!emsg) try
|
|
{
|
|
reqs.emplace_back(room_id, event_id, origin);
|
|
}
|
|
catch(const std::exception &)
|
|
{
|
|
return;
|
|
}
|
|
});
|
|
|
|
return std::move(reqs);
|
|
}
|
|
|
|
extern "C" void
|
|
feds__state(const m::room::id &room_id,
|
|
const m::event::id &event_id,
|
|
const milliseconds &timeout,
|
|
const m::feds::v1::state::closure &closure)
|
|
{
|
|
auto reqs
|
|
{
|
|
feds__state(room_id, event_id)
|
|
};
|
|
|
|
auto when
|
|
{
|
|
now<steady_point>() + 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::object &response{req};
|
|
if(!closure(req.origin, {}, response))
|
|
break;
|
|
}
|
|
catch(const std::exception &)
|
|
{
|
|
if(!closure(req.origin, std::current_exception(), {}))
|
|
break;
|
|
}
|
|
|
|
reqs.erase(it);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
struct ircd::m::feds::v1::head
|
|
:m::v1::make_join
|
|
{
|
|
using closure = std::function<bool (const string_view &, std::exception_ptr, const json::object &)>;
|
|
|
|
char origin[256];
|
|
char buf[16_KiB];
|
|
|
|
head(const m::room::id &room_id, const m::user::id &user_id, const string_view &origin)
|
|
:m::v1::make_join{[this, &room_id, &user_id, &origin]
|
|
{
|
|
m::v1::make_join::opts opts;
|
|
opts.dynamic = false;
|
|
opts.remote = string_view{this->origin, strlcpy(this->origin, origin)};
|
|
return m::v1::make_join{room_id, user_id, mutable_buffer{buf}, std::move(opts)};
|
|
}()}
|
|
{}
|
|
};
|
|
|
|
std::list<m::feds::v1::head>
|
|
feds__head(const m::room::id &room_id,
|
|
const m::user::id &user_id)
|
|
{
|
|
std::list<m::feds::v1::head> reqs;
|
|
m::room::origins{room_id}.for_each([&reqs, &room_id, &user_id]
|
|
(const string_view &origin)
|
|
{
|
|
const auto emsg
|
|
{
|
|
ircd::server::errmsg(origin)
|
|
};
|
|
|
|
if(!emsg) try
|
|
{
|
|
reqs.emplace_back(room_id, user_id, origin);
|
|
}
|
|
catch(const std::exception &)
|
|
{
|
|
return;
|
|
}
|
|
});
|
|
|
|
return std::move(reqs);
|
|
}
|
|
|
|
extern "C" void
|
|
feds__head(const m::room::id &room_id,
|
|
const m::user::id &user_id,
|
|
const milliseconds &timeout,
|
|
const m::feds::v1::head::closure &closure)
|
|
{
|
|
auto reqs
|
|
{
|
|
feds__head(room_id, user_id)
|
|
};
|
|
|
|
auto when
|
|
{
|
|
now<steady_point>() + 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::object &response{req};
|
|
const json::object &event{response.at("event")};
|
|
if(!closure(req.origin, {}, event))
|
|
break;
|
|
}
|
|
catch(const std::exception &)
|
|
{
|
|
if(!closure(req.origin, std::current_exception(), {}))
|
|
break;
|
|
}
|
|
|
|
reqs.erase(it);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
struct ircd::m::feds::v1::perspective
|
|
:m::v1::key::query
|
|
{
|
|
using closure = std::function<bool (const string_view &, std::exception_ptr, const json::array &)>;
|
|
|
|
char origin[256];
|
|
char buf[24_KiB];
|
|
|
|
perspective(const string_view &origin,
|
|
const m::v1::key::server_key &server_key)
|
|
:m::v1::key::query{[&]
|
|
{
|
|
m::v1::key::opts opts;
|
|
opts.dynamic = false;
|
|
opts.remote = string_view{this->origin, strlcpy(this->origin, origin)};
|
|
return m::v1::key::query
|
|
{
|
|
{&server_key, 1}, mutable_buffer{buf}, std::move(opts)
|
|
};
|
|
}()}
|
|
{}
|
|
|
|
perspective(perspective &&) = delete;
|
|
perspective(const perspective &) = delete;
|
|
};
|
|
|
|
std::list<m::feds::v1::perspective>
|
|
feds__perspective(const m::room::id &room_id,
|
|
const m::v1::key::server_key &server_key)
|
|
{
|
|
std::list<m::feds::v1::perspective> reqs;
|
|
m::room::origins{room_id}.for_each([&reqs, &server_key]
|
|
(const string_view &origin)
|
|
{
|
|
const auto emsg
|
|
{
|
|
ircd::server::errmsg(origin)
|
|
};
|
|
|
|
if(!emsg) try
|
|
{
|
|
reqs.emplace_back(origin, server_key);
|
|
}
|
|
catch(const std::exception &)
|
|
{
|
|
return;
|
|
}
|
|
});
|
|
|
|
return std::move(reqs);
|
|
}
|
|
|
|
extern "C" void
|
|
feds__perspective(const m::room::id &room_id,
|
|
const m::v1::key::server_key &server_key, // pair<server_name, key_id>
|
|
const milliseconds &timeout,
|
|
const m::feds::v1::perspective::closure &closure)
|
|
{
|
|
auto reqs
|
|
{
|
|
feds__perspective(room_id, server_key)
|
|
};
|
|
|
|
auto when
|
|
{
|
|
now<steady_point>() + 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 &response{req};
|
|
if(!closure(req.origin, {}, response))
|
|
break;
|
|
}
|
|
catch(const std::exception &)
|
|
{
|
|
if(!closure(req.origin, std::current_exception(), {}))
|
|
break;
|
|
}
|
|
|
|
reqs.erase(it);
|
|
}
|
|
}
|