c16ec870da
Now that the endpoint_state isn't change in place we do not need to copy it to each subscriber. We can rather just pass the lw_shared_ptr holding a snapshot of it. Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
/*
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* Copyright (C) 2018-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#pragma once
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#include "gms/i_endpoint_state_change_subscriber.hh"
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#include <seastar/core/abort_source.hh>
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#include <seastar/core/future.hh>
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#include <seastar/core/sharded.hh>
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namespace gms {
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class gossiper;
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}
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namespace service {
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class storage_proxy;
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class view_update_backlog_broker final
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: public seastar::peering_sharded_service<view_update_backlog_broker>
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, public seastar::async_sharded_service<view_update_backlog_broker>
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, public gms::i_endpoint_state_change_subscriber {
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seastar::sharded<storage_proxy>& _sp;
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gms::gossiper& _gossiper;
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seastar::future<> _started = make_ready_future<>();
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seastar::abort_source _as;
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public:
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view_update_backlog_broker(seastar::sharded<storage_proxy>&, gms::gossiper&);
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seastar::future<> start();
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seastar::future<> stop();
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virtual future<> on_change(gms::inet_address, gms::application_state, const gms::versioned_value&, gms::permit_id) override;
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virtual future<> on_remove(gms::inet_address, gms::permit_id) override;
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virtual future<> on_join(gms::inet_address, gms::endpoint_state_ptr, gms::permit_id) override { return make_ready_future(); }
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virtual future<> before_change(gms::inet_address, gms::endpoint_state_ptr, gms::application_state, const gms::versioned_value&) override { return make_ready_future(); }
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virtual future<> on_alive(gms::inet_address, gms::endpoint_state_ptr, gms::permit_id) override { return make_ready_future(); }
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virtual future<> on_dead(gms::inet_address, gms::endpoint_state_ptr, gms::permit_id) override { return make_ready_future(); }
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virtual future<> on_restart(gms::inet_address, gms::endpoint_state_ptr, gms::permit_id) override { return make_ready_future(); }
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};
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}
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