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Code Issues Releases Wiki Activity

modules/client/rooms/join: Implement the lazychain optimization; tweak eval options.

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This commit is contained in:
Jason Volk 2019-06-06 04:10:56 -07:00
parent 2b43a5a92b
commit 55e2ac98ce
1 changed files with 50 additions and 3 deletions
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53
modules/client/rooms/join.cc
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@ -211,6 +211,22 @@ backfill_first
)"}
};
conf::item<bool>
lazychain
{
{ "name", "ircd.client.rooms.join.lazychain" },
{ "default", true },
{ "description",
R"(
During the room join bootstrap process, this controls whether the
auth_chain in the response is only selectively processed. This is a
safe optimization that allows the bootstrap to progress to the next
phase. The skipped events are eventually processed during the state
evaluation phase.
)"}
};
event::id::buf
bootstrap(const net::hostport &host,
const m::room::id &room_id,
@ -323,6 +339,8 @@ try
{
m::vm::opts opts;
opts.fetch_state_check = false;
opts.fetch_prev_check = false;
opts.infolog_accept = false;
m::vm::eval
{
pdus, opts
@ -347,6 +365,7 @@ bootstrap_eval_state(const json::array &state)
m::vm::opts opts;
opts.fetch_prev_check = false;
opts.fetch_state_check = false;
opts.infolog_accept = false;
m::vm::eval
{
state, opts
@ -356,13 +375,41 @@ bootstrap_eval_state(const json::array &state)
void
bootstrap_eval_auth_chain(const json::array &auth_chain)
{
log::info
{
m::log, "Auth chain %zu events",
auth_chain.size()
};
m::vm::opts opts;
opts.infolog_accept = true;
opts.fetch = false;
m::vm::eval
if(!lazychain)
{
auth_chain, opts
};
m::vm::eval
{
auth_chain, opts
};
return;
}
std::vector<m::event> auth_events(begin(auth_chain), end(auth_chain));
std::sort(begin(auth_events), end(auth_events));
for(const auto &event : auth_events)
{
// Skip all events which aren't power events. We don't need them
// here yet. They can wait until state evaluation later.
if(json::get<"depth"_>(event) >= 4)
if(!m::event::auth::is_power_event(event))
continue;
m::vm::eval
{
event, opts
};
}
}
std::tuple<json::object, unique_buffer<mutable_buffer>>