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view_update_generator: Add early abort subscription

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Subscribe v.u.g. to the main's stop_signal. For now a no-op callback.

Signed-off-by: Pavel Emelyanov <xemul@scylladb.com>
This commit is contained in:
Pavel Emelyanov
2023-09-18 20:41:32 +03:00
parent 7f03ef07c8
commit e34220ebb7
4 changed files with 12 additions and 5 deletions
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9
db/view/view_update_generator.cc
View File

@@ -90,10 +90,12 @@ public:
}
};
view_update_generator::view_update_generator(replica::database& db, sharded<service::storage_proxy>& proxy)
view_update_generator::view_update_generator(replica::database& db, sharded<service::storage_proxy>& proxy, abort_source& as)
: _db(db)
, _proxy(proxy)
, _progress_tracker(std::make_unique<progress_tracker>()) {
, _progress_tracker(std::make_unique<progress_tracker>())
, _early_abort_subscription(as.subscribe([this] () noexcept { do_abort(); }))
{
setup_metrics();
discover_staging_sstables();
_db.plug_view_update_generator(*this);
@@ -213,6 +215,9 @@ future<> view_update_generator::start() {
return make_ready_future<>();
}
void view_update_generator::do_abort() noexcept {
}
future<> view_update_generator::stop() {
_db.unplug_view_update_generator();
_as.request_abort();

4
db/view/view_update_generator.hh
View File

@@ -64,8 +64,10 @@ private:
metrics::metric_groups _metrics;
class progress_tracker;
std::unique_ptr<progress_tracker> _progress_tracker;
optimized_optional<abort_source::subscription> _early_abort_subscription;
void do_abort() noexcept;
public:
view_update_generator(replica::database& db, sharded<service::storage_proxy>& proxy);
view_update_generator(replica::database& db, sharded<service::storage_proxy>& proxy, abort_source& as);
~view_update_generator();
future<> start();