mirror of https://gitee.com/bigwinds/arangodb
97 lines
3.3 KiB
C++
97 lines
3.3 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2018 ArangoDB GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// 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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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Simon Grätzer
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////////////////////////////////////////////////////////////////////////////////
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#include "RocksDBMethods.h"
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#include "Basics/StringUtils.h"
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#include "Cluster/ClusterFeature.h"
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#include "Cluster/ClusterInfo.h"
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#include "ClusterEngine/ClusterEngine.h"
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#include "Futures/Utilities.h"
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#include "Network/Methods.h"
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#include "Network/NetworkFeature.h"
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#include "StorageEngine/EngineSelectorFeature.h"
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#include "VocBase/LogicalCollection.h"
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namespace arangodb {
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namespace rocksdb {
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////////////////////////////////////////////////////////////////////////////////
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/// @brief rotate the active journals for the collection on all DBServers
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////////////////////////////////////////////////////////////////////////////////
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Result recalculateCountsOnAllDBServers(std::string const& dbname, std::string const& collname) {
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ClusterEngine* ce = static_cast<ClusterEngine*>(EngineSelectorFeature::ENGINE);
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if (!ce->isRocksDB()) {
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return TRI_ERROR_NOT_IMPLEMENTED;
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}
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auto& server = ce->server();
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// Set a few variables needed for our work:
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NetworkFeature const& nf = server.getFeature<NetworkFeature>();
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network::ConnectionPool* pool = nf.pool();
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if (pool == nullptr) {
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// nullptr happens only during controlled shutdown
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return TRI_ERROR_SHUTTING_DOWN;
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}
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ClusterInfo& ci = server.getFeature<ClusterFeature>().clusterInfo();
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// First determine the collection ID from the name:
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auto collinfo = ci.getCollectionNT(dbname, collname);
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if (collinfo == nullptr) {
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return TRI_ERROR_ARANGO_DATA_SOURCE_NOT_FOUND;
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}
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std::string const baseUrl = "/_api/collection/";
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VPackBuffer<uint8_t> body;
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network::Headers headers;
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network::RequestOptions options;
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options.database = dbname;
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options.timeout = network::Timeout(600.0);
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// now we notify all leader and follower shards
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std::shared_ptr<ShardMap> shardList = collinfo->shardIds();
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std::vector<network::FutureRes> futures;
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for (auto const& shard : *shardList) {
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for (ServerID const& serverId : shard.second) {
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std::string uri = baseUrl + basics::StringUtils::urlEncode(shard.first) +
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"/recalculateCount";
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auto f = network::sendRequest(pool, "server:" + serverId, fuerte::RestVerb::Put,
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std::move(uri), body, options, headers);
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futures.emplace_back(std::move(f));
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}
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}
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auto responses = futures::collectAll(futures).get();
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for (auto const& r : responses) {
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if (!r.hasValue() || r.get().fail()) {
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return TRI_ERROR_FAILED;
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}
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}
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return TRI_ERROR_NO_ERROR;
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}
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} // namespace rocksdb
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} // namespace arangodb
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