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reconnectable_snitch_helper.hh
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Modified by ScyllaDB
* Copyright (C) 2015 ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "gms/i_endpoint_state_change_subscriber.hh"
namespace locator {
// @note all callbacks should be called in seastar::async() context
class reconnectable_snitch_helper : public gms::i_endpoint_state_change_subscriber {
private:
static logging::logger& logger();
sstring _local_dc;
private:
void reconnect(gms::inet_address public_address, const gms::versioned_value& local_address_value);
void reconnect(gms::inet_address public_address, gms::inet_address local_address);
public:
reconnectable_snitch_helper(sstring local_dc);
void before_change(gms::inet_address endpoint, gms::endpoint_state cs, gms::application_state new_state_key, const gms::versioned_value& new_value) override;
void on_join(gms::inet_address endpoint, gms::endpoint_state ep_state) override;
void on_change(gms::inet_address endpoint, gms::application_state state, const gms::versioned_value& value) override;
void on_alive(gms::inet_address endpoint, gms::endpoint_state ep_state) override;
void on_dead(gms::inet_address endpoint, gms::endpoint_state ep_state) override;
void on_remove(gms::inet_address endpoint) override;
void on_restart(gms::inet_address endpoint, gms::endpoint_state state) override;
};
} // namespace locator