Files
scylladb/locator/everywhere_replication_strategy.cc
Benny Halevy ba31350239 abstract_replication_strategy: add can_yield param to get_pending_ranges and friends
To prevent reactor stalls as seen in #7313.

Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
2020-11-11 14:20:24 +02:00

69 lines
3.1 KiB
C++

/*
* Licensed to the Apache Software Foundation (ASF) under one
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* to you under the Apache License, Version 2.0 (the
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* http://www.apache.org/licenses/LICENSE-2.0
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* 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/>.
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#include "locator/everywhere_replication_strategy.hh"
#include "utils/class_registrator.hh"
#include "utils/fb_utilities.hh"
#include "locator/token_metadata.hh"
namespace locator {
everywhere_replication_strategy::everywhere_replication_strategy(const sstring& keyspace_name, const shared_token_metadata& token_metadata, snitch_ptr& snitch, const std::map<sstring, sstring>& config_options) :
abstract_replication_strategy(keyspace_name, token_metadata, snitch, config_options, replication_strategy_type::everywhere_topology) {}
std::vector<inet_address> everywhere_replication_strategy::calculate_natural_endpoints(const token& search_token, const token_metadata& tm, can_yield) const {
return tm.get_all_endpoints();
}
std::vector<inet_address> everywhere_replication_strategy::do_get_natural_endpoints(const token& search_token, const token_metadata& tm, can_yield can_yield) {
if (tm.sorted_tokens().empty()) {
return std::vector<inet_address>({utils::fb_utilities::get_broadcast_address()});
}
return calculate_natural_endpoints(search_token, tm, can_yield);
}
size_t everywhere_replication_strategy::get_replication_factor() const {
return _shared_token_metadata.get()->get_all_endpoints_count();
}
using registry = class_registrator<abstract_replication_strategy, everywhere_replication_strategy, const sstring&, const shared_token_metadata&, snitch_ptr&, const std::map<sstring, sstring>&>;
static registry registrator("org.apache.cassandra.locator.EverywhereStrategy");
static registry registrator_short_name("EverywhereStrategy");
}