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ircd:Ⓜ️:init::backfill: Only ask the server which provided the unknown head for the event.

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This commit is contained in:
Jason Volk 2019-09-16 12:30:44 -07:00
parent a9b86c5594
commit c7de8aec82
1 changed files with 6 additions and 4 deletions
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10
modules/m_init_backfill.cc
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@ -12,7 +12,7 @@
/// this code should be portable for a future when m::init is unstructured.
struct ircd::m::init::backfill
{
static bool handle_event(const room::id &, const event::id &, const string_view &hint);
static bool handle_event(const room::id &, const event::id &, const string_view &hint, const bool &ask_one);
static void handle_missing(const room::id &);
static void handle_room(const room::id &);
static void worker();
@ -348,7 +348,7 @@ try
}
++fetching;
if(!handle_event(room_id, event_id, result.origin))
if(!handle_event(room_id, event_id, result.origin, true))
{
errors.emplace(event_id);
return true;
@ -440,7 +440,7 @@ try
min_depth,
};
if(!handle_event(room_id, event_id, string_view{}))
if(!handle_event(room_id, event_id, string_view{}, false))
fail.emplace_hint(it, event_id);
}
@ -474,7 +474,8 @@ catch(const std::exception &e)
bool
ircd::m::init::backfill::handle_event(const room::id &room_id,
const event::id &event_id,
const string_view &hint)
const string_view &hint,
const bool &ask_hint_only)
try
{
fetch::opts opts;
@ -483,6 +484,7 @@ try
opts.event_id = event_id;
opts.backfill_limit = 1;
opts.hint = hint;
opts.attempt_limit = ask_hint_only;
auto future
{
fetch::start(opts)