mirror of
https://github.com/matrix-construct/construct
synced 2024-12-25 06:53:58 +01:00
563 lines
8.8 KiB
C++
563 lines
8.8 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.
|
|
|
|
#include "sender.int.h"
|
|
|
|
std::list<txn> txns;
|
|
std::map<std::string, node, std::less<>> nodes;
|
|
|
|
void remove_node(const node &);
|
|
static void recv_timeout(txn &, node &);
|
|
static void recv_timeouts();
|
|
static bool recv_handle(txn &, node &);
|
|
static void recv();
|
|
static void recv_worker();
|
|
ctx::dock recv_action;
|
|
|
|
static void send_from_user(const m::event &, const m::user::id &user_id);
|
|
static void send_to_user(const m::event &, const m::user::id &user_id);
|
|
static void send_to_room(const m::event &, const m::room::id &room_id);
|
|
static void send(const m::event &);
|
|
static void send_worker();
|
|
|
|
static void handle_notify(const m::event &, m::vm::eval &);
|
|
|
|
context
|
|
sender
|
|
{
|
|
"m.fedsnd.S", 1_MiB, &send_worker, context::POST,
|
|
};
|
|
|
|
context
|
|
receiver
|
|
{
|
|
"m.fedsnd.R", 1_MiB, &recv_worker, context::POST,
|
|
};
|
|
|
|
mapi::header
|
|
IRCD_MODULE
|
|
{
|
|
"federation sender",
|
|
nullptr, []
|
|
{
|
|
sender.terminate();
|
|
receiver.terminate();
|
|
sender.join();
|
|
receiver.join();
|
|
}
|
|
};
|
|
|
|
std::deque<std::pair<std::string, m::event::id::buf>>
|
|
notified_queue;
|
|
|
|
ctx::dock
|
|
notified_dock;
|
|
|
|
m::hookfn<m::vm::eval &>
|
|
notified
|
|
{
|
|
handle_notify,
|
|
{
|
|
{ "_site", "vm.notify" },
|
|
}
|
|
};
|
|
|
|
void
|
|
handle_notify(const m::event &event,
|
|
m::vm::eval &eval)
|
|
try
|
|
{
|
|
if(!my(event))
|
|
return;
|
|
|
|
assert(eval.opts);
|
|
if(!eval.opts->notify_servers)
|
|
return;
|
|
|
|
const m::event::id::buf &event_id
|
|
{
|
|
event.event_id?
|
|
m::event::id::buf{event.event_id}:
|
|
m::event::id::buf{}
|
|
};
|
|
|
|
notified_queue.emplace_back(json::strung{event}, event_id);
|
|
notified_dock.notify_all();
|
|
}
|
|
catch(const ctx::interrupted &)
|
|
{
|
|
throw;
|
|
}
|
|
catch(const std::exception &e)
|
|
{
|
|
log::critical
|
|
{
|
|
m::log, "Federation sender notify handler :%s",
|
|
e.what()
|
|
};
|
|
}
|
|
|
|
void
|
|
__attribute__((noreturn))
|
|
send_worker()
|
|
{
|
|
while(1) try
|
|
{
|
|
notified_dock.wait([]
|
|
{
|
|
return !notified_queue.empty();
|
|
});
|
|
|
|
const unwind pop{[]
|
|
{
|
|
assert(!notified_queue.empty());
|
|
notified_queue.pop_front();
|
|
}};
|
|
|
|
const auto &[event_, event_id]
|
|
{
|
|
notified_queue.front()
|
|
};
|
|
|
|
const m::event event
|
|
{
|
|
json::object{event_}, event_id
|
|
};
|
|
|
|
send(event);
|
|
}
|
|
catch(const std::exception &e)
|
|
{
|
|
log::error
|
|
{
|
|
"sender worker: %s", e.what()
|
|
};
|
|
}
|
|
}
|
|
|
|
void
|
|
send(const m::event &event)
|
|
{
|
|
const auto &sender
|
|
{
|
|
json::get<"sender"_>(event)
|
|
};
|
|
|
|
const auto &room_id
|
|
{
|
|
json::get<"room_id"_>(event)
|
|
};
|
|
|
|
if(json::get<"depth"_>(event) == json::undefined_number)
|
|
return;
|
|
|
|
// target is every remote server in a room
|
|
if(valid(m::id::ROOM, room_id))
|
|
return send_to_room(event, m::room::id{room_id});
|
|
|
|
// target is remote server hosting user/device
|
|
if(valid(m::id::USER, room_id))
|
|
return send_to_user(event, m::user::id{room_id});
|
|
|
|
// target is every remote server from every room a user is joined to.
|
|
if(valid(m::id::USER, sender))
|
|
return send_from_user(event, m::user::id{sender});
|
|
}
|
|
|
|
/// EDU and PDU path where the target is a room
|
|
void
|
|
send_to_room(const m::event &event,
|
|
const m::room::id &room_id)
|
|
{
|
|
// Unit is not allocated until we find another server in the room.
|
|
std::shared_ptr<struct unit> unit;
|
|
|
|
const m::room room{room_id};
|
|
const m::room::origins origins{room};
|
|
origins.for_each([&unit, &event]
|
|
(const string_view &origin)
|
|
{
|
|
if(my_host(origin))
|
|
return;
|
|
|
|
auto it{nodes.lower_bound(origin)};
|
|
if(it == end(nodes) || it->first != origin)
|
|
{
|
|
if(server::errmsg(origin))
|
|
return;
|
|
|
|
it = nodes.emplace_hint(it, origin, origin);
|
|
}
|
|
|
|
auto &node{it->second};
|
|
if(node.err)
|
|
return;
|
|
|
|
if(!unit)
|
|
unit = std::make_shared<struct unit>(event);
|
|
|
|
node.push(unit);
|
|
node.flush();
|
|
});
|
|
}
|
|
|
|
/// EDU path where the target is a user/device
|
|
void
|
|
send_to_user(const m::event &event,
|
|
const m::user::id &user_id)
|
|
{
|
|
const string_view &remote
|
|
{
|
|
user_id.host()
|
|
};
|
|
|
|
if(my_host(remote))
|
|
return;
|
|
|
|
auto it{nodes.lower_bound(remote)};
|
|
if(it == end(nodes) || it->first != remote)
|
|
{
|
|
if(server::errmsg(remote))
|
|
return;
|
|
|
|
it = nodes.emplace_hint(it, remote, remote);
|
|
}
|
|
|
|
auto &node{it->second};
|
|
if(node.err)
|
|
return;
|
|
|
|
auto unit
|
|
{
|
|
std::make_shared<struct unit>(event)
|
|
};
|
|
|
|
node.push(std::move(unit));
|
|
node.flush();
|
|
}
|
|
|
|
/// EDU path where the he target is every server from every room the sender
|
|
/// is joined to.
|
|
void
|
|
send_from_user(const m::event &event,
|
|
const m::user::id &user_id)
|
|
{
|
|
const m::user::servers servers
|
|
{
|
|
user_id
|
|
};
|
|
|
|
// Iterate all of the servers visible in this user's joined rooms.
|
|
servers.for_each("join", [&user_id, &event]
|
|
(const string_view &origin)
|
|
{
|
|
if(my_host(origin))
|
|
return true;
|
|
|
|
auto it{nodes.lower_bound(origin)};
|
|
if(it == end(nodes) || it->first != origin)
|
|
{
|
|
if(server::errmsg(origin))
|
|
return true;
|
|
|
|
it = nodes.emplace_hint(it, origin, origin);
|
|
}
|
|
|
|
auto &node{it->second};
|
|
if(node.err)
|
|
return true;
|
|
|
|
auto unit
|
|
{
|
|
std::make_shared<struct unit>(event)
|
|
};
|
|
|
|
node.push(unit);
|
|
node.flush();
|
|
return true;
|
|
});
|
|
}
|
|
|
|
void
|
|
node::push(std::shared_ptr<unit> su)
|
|
{
|
|
q.emplace_back(std::move(su));
|
|
}
|
|
|
|
bool
|
|
node::flush()
|
|
try
|
|
{
|
|
if(q.empty())
|
|
return true;
|
|
|
|
if(curtxn)
|
|
return true;
|
|
|
|
size_t pdus{0}, edus{0};
|
|
for(const auto &unit : q) switch(unit->type)
|
|
{
|
|
case unit::PDU: ++pdus; break;
|
|
case unit::EDU: ++edus; break;
|
|
default: break;
|
|
}
|
|
|
|
size_t pc(0), ec(0);
|
|
std::vector<json::value> units(pdus + edus);
|
|
for(const auto &unit : q) switch(unit->type)
|
|
{
|
|
case unit::PDU:
|
|
units.at(pc++) = string_view{unit->s};
|
|
break;
|
|
|
|
case unit::EDU:
|
|
units.at(pdus + ec++) = string_view{unit->s};
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
m::v1::send::opts opts;
|
|
opts.remote = remote;
|
|
opts.sopts = &sopts;
|
|
|
|
const vector_view<const json::value> pduv
|
|
{
|
|
units.data(), units.data() + pc
|
|
};
|
|
|
|
const vector_view<const json::value> eduv
|
|
{
|
|
units.data() + pdus, units.data() + pdus + ec
|
|
};
|
|
|
|
std::string content
|
|
{
|
|
m::txn::create(pduv, eduv)
|
|
};
|
|
|
|
txns.emplace_back(*this, std::move(content), std::move(opts));
|
|
const unwind::nominal::assertion na;
|
|
curtxn = &txns.back();
|
|
q.clear();
|
|
log::debug
|
|
{
|
|
m::log, "sending txn %s pdus:%zu edus:%zu to '%s'",
|
|
curtxn->txnid,
|
|
pdus,
|
|
edus,
|
|
this->remote,
|
|
};
|
|
|
|
recv_action.notify_one();
|
|
return true;
|
|
}
|
|
catch(const std::exception &e)
|
|
{
|
|
log::error
|
|
{
|
|
"flush error to %s :%s", remote, e.what()
|
|
};
|
|
|
|
err = true;
|
|
return false;
|
|
}
|
|
|
|
void
|
|
__attribute__((noreturn))
|
|
recv_worker()
|
|
{
|
|
while(1)
|
|
{
|
|
recv_action.wait([]
|
|
{
|
|
return !txns.empty();
|
|
});
|
|
|
|
recv();
|
|
recv_timeouts();
|
|
}
|
|
}
|
|
|
|
void
|
|
recv()
|
|
try
|
|
{
|
|
auto next
|
|
{
|
|
ctx::when_any(begin(txns), end(txns))
|
|
};
|
|
|
|
if(!next.wait(seconds(2), std::nothrow)) //TODO: conf
|
|
return;
|
|
|
|
const auto it
|
|
{
|
|
next.get()
|
|
};
|
|
|
|
if(unlikely(it == end(txns)))
|
|
{
|
|
assert(0);
|
|
return;
|
|
}
|
|
|
|
auto &txn
|
|
{
|
|
*it
|
|
};
|
|
|
|
assert(txn.node);
|
|
auto &node{*txn.node};
|
|
const auto ret
|
|
{
|
|
recv_handle(txn, node)
|
|
};
|
|
|
|
node.curtxn = nullptr;
|
|
txns.erase(it);
|
|
|
|
if(node.err)
|
|
return remove_node(node);
|
|
|
|
if(!ret)
|
|
return;
|
|
|
|
node.flush();
|
|
}
|
|
catch(const std::exception &e)
|
|
{
|
|
ircd::panicking(e);
|
|
}
|
|
|
|
bool
|
|
recv_handle(txn &txn,
|
|
node &node)
|
|
try
|
|
{
|
|
const auto code
|
|
{
|
|
txn.get()
|
|
};
|
|
|
|
const json::object obj
|
|
{
|
|
txn
|
|
};
|
|
|
|
const m::v1::send::response resp
|
|
{
|
|
obj
|
|
};
|
|
|
|
if(code != http::OK) log::dwarning
|
|
{
|
|
"%u %s from %s for %s",
|
|
ushort(code),
|
|
http::status(code),
|
|
node.remote,
|
|
txn.txnid
|
|
};
|
|
|
|
resp.for_each_pdu([&txn, &node]
|
|
(const m::event::id &event_id, const json::object &error)
|
|
{
|
|
if(empty(error))
|
|
return;
|
|
|
|
log::error
|
|
{
|
|
"Error from %s in %s for %s :%s",
|
|
node.remote,
|
|
txn.txnid,
|
|
string_view{event_id},
|
|
string_view{error}
|
|
};
|
|
});
|
|
|
|
return true;
|
|
}
|
|
catch(const http::error &e)
|
|
{
|
|
log::derror
|
|
{
|
|
"%u %s from %s for %s :%s",
|
|
ushort(e.code),
|
|
http::status(e.code),
|
|
node.remote,
|
|
txn.txnid,
|
|
e.what()
|
|
};
|
|
|
|
node.err = true;
|
|
return false;
|
|
}
|
|
catch(const std::exception &e)
|
|
{
|
|
log::derror
|
|
{
|
|
"Error from %s for %s :%s",
|
|
node.remote,
|
|
txn.txnid,
|
|
e.what()
|
|
};
|
|
|
|
node.err = true;
|
|
return false;
|
|
}
|
|
|
|
void
|
|
recv_timeouts()
|
|
{
|
|
const auto &now
|
|
{
|
|
ircd::now<steady_point>()
|
|
};
|
|
|
|
auto it(begin(txns));
|
|
for(; it != end(txns); ++it)
|
|
{
|
|
auto &txn(*it);
|
|
assert(txn.node);
|
|
if(txn.node->err)
|
|
continue;
|
|
|
|
if(txn.timeout + seconds(45) < now) //TODO: conf
|
|
recv_timeout(txn, *txn.node);
|
|
}
|
|
}
|
|
|
|
void
|
|
recv_timeout(txn &txn,
|
|
node &node)
|
|
{
|
|
log::dwarning
|
|
{
|
|
"Timeout to %s for txn %s",
|
|
node.remote,
|
|
txn.txnid
|
|
};
|
|
|
|
cancel(txn);
|
|
node.err = true;
|
|
}
|
|
|
|
void
|
|
remove_node(const node &node)
|
|
{
|
|
const auto it
|
|
{
|
|
nodes.find(node.remote)
|
|
};
|
|
|
|
assert(it != end(nodes));
|
|
nodes.erase(it);
|
|
}
|