df468504b6
All database code was converted to is when storage_proxy was made distributed, but then new code was written to use storage_proxy& again. Passing distributed<> object is safer since it can be passed between shards safely. There was a patch to fix one such case yesterday, I found one more while converting.
60 lines
2.2 KiB
C++
60 lines
2.2 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright 2015 Cloudius Systems
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*
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* Modified by Cloudius Systems
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*/
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#include "service/migration_task.hh"
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#include "message/messaging_service.hh"
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#include "gms/failure_detector.hh"
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#include "db/schema_tables.hh"
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#include "frozen_mutation.hh"
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namespace service {
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static logging::logger logger("Migration Task");
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future<> migration_task::run_may_throw(distributed<service::storage_proxy>& proxy, const gms::inet_address& endpoint)
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{
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if (!gms::get_failure_detector().local().is_alive(endpoint)) {
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logger.error("Can't send migration request: node {} is down.", endpoint);
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return make_ready_future<>();
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}
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net::messaging_service::shard_id id{endpoint, 0};
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auto& ms = net::get_local_messaging_service();
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return ms.send_migration_request(std::move(id), endpoint, engine().cpu_id()).then([&proxy](const std::vector<frozen_mutation>& mutations) {
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try {
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std::vector<mutation> schema;
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for (auto& m : mutations) {
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schema_ptr s = proxy.local().get_db().local().find_schema(m.column_family_id());
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schema.emplace_back(m.unfreeze(s));
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}
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return db::schema_tables::merge_schema(proxy, std::move(schema));
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} catch (const exceptions::configuration_exception& e) {
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logger.error("Configuration exception merging remote schema: {}", e.what());
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}
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return make_ready_future<>();
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});
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}
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}
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