493 lines
15 KiB
C++
493 lines
15 KiB
C++
/*
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* Locality.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2026 Apple Inc. and the FoundationDB project authors
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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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#include "fdbrpc/Locality.h"
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#include <cstdio>
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const UID LocalityData::UNSET_ID = UID(0x0ccb4e0feddb5583, 0x010f6b77d9d10ece);
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alignas(8) const StringRef LocalityData::keyProcessId = "processid"_sr;
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alignas(8) const StringRef LocalityData::keyZoneId = "zoneid"_sr;
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alignas(8) const StringRef LocalityData::keyDcId = "dcid"_sr;
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alignas(8) const StringRef LocalityData::keyMachineId = "machineid"_sr;
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alignas(8) const StringRef LocalityData::keyDataHallId = "data_hall"_sr;
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alignas(8) const StringRef LocalityData::ExcludeLocalityPrefix = "locality_"_sr;
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ProcessClass::ProcessClass(std::string s, ClassSource source) : _source(source) {
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if (s == "storage")
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_class = StorageClass;
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else if (s == "transaction")
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_class = TransactionClass;
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else if (s == "resolution")
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_class = ResolutionClass;
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else if (s == "commit_proxy")
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_class = CommitProxyClass;
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else if (s == "proxy") {
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_class = CommitProxyClass;
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printf("WARNING: 'proxy' machine class is deprecated and will be automatically converted "
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"'commit_proxy' machine class. Please use 'grv_proxy' or 'commit_proxy' specifically\n");
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} else if (s == "grv_proxy")
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_class = GrvProxyClass;
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else if (s == "master")
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_class = MasterClass;
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else if (s == "test")
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_class = TesterClass;
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else if (s == "unset")
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_class = UnsetClass;
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else if (s == "stateless")
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_class = StatelessClass;
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else if (s == "log")
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_class = LogClass;
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else if (s == "router")
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_class = LogRouterClass;
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else if (s == "cluster_controller")
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_class = ClusterControllerClass;
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else if (s == "fast_restore")
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ASSERT(false); // deprecated
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else if (s == "data_distributor")
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_class = DataDistributorClass;
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else if (s == "coordinator")
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_class = CoordinatorClass;
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else if (s == "ratekeeper")
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_class = RatekeeperClass;
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else if (s == "consistency_scan")
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_class = ConsistencyScanClass;
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else if (s == "blob_manager")
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_class = BlobManagerClass;
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else if (s == "blob_worker")
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_class = BlobWorkerClass;
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else if (s == "backup")
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_class = BackupClass;
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else if (s == "encrypt_key_proxy")
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_class = EncryptKeyProxyClass;
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else if (s == "sim_http_server")
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_class = SimHTTPServerClass;
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else
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_class = InvalidClass;
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}
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ProcessClass::ProcessClass(std::string classStr, std::string sourceStr) {
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if (classStr == "storage")
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_class = StorageClass;
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else if (classStr == "transaction")
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_class = TransactionClass;
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else if (classStr == "resolution")
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_class = ResolutionClass;
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else if (classStr == "commit_proxy")
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_class = CommitProxyClass;
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else if (classStr == "proxy") {
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_class = CommitProxyClass;
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printf("WARNING: 'proxy' machine class is deprecated and will be automatically converted "
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"'commit_proxy' machine class. Please use 'grv_proxy' or 'commit_proxy' specifically\n");
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} else if (classStr == "grv_proxy")
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_class = GrvProxyClass;
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else if (classStr == "master")
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_class = MasterClass;
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else if (classStr == "test")
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_class = TesterClass;
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else if (classStr == "unset")
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_class = UnsetClass;
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else if (classStr == "stateless")
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_class = StatelessClass;
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else if (classStr == "log")
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_class = LogClass;
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else if (classStr == "router")
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_class = LogRouterClass;
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else if (classStr == "cluster_controller")
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_class = ClusterControllerClass;
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else if (classStr == "fast_restore")
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ASSERT(false); // deprecated
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else if (classStr == "data_distributor")
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_class = DataDistributorClass;
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else if (classStr == "coordinator")
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_class = CoordinatorClass;
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else if (classStr == "ratekeeper")
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_class = RatekeeperClass;
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else if (classStr == "consistency_scan")
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_class = ConsistencyScanClass;
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else if (classStr == "blob_manager")
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_class = BlobManagerClass;
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else if (classStr == "blob_worker")
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_class = BlobWorkerClass;
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else if (classStr == "backup")
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_class = BackupClass;
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else if (classStr == "encrypt_key_proxy")
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_class = EncryptKeyProxyClass;
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else if (classStr == "sim_http_server")
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_class = SimHTTPServerClass;
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else
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_class = InvalidClass;
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if (sourceStr == "command_line")
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_source = CommandLineSource;
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else if (sourceStr == "configure_auto")
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_source = AutoSource;
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else if (sourceStr == "set_class")
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_source = DBSource;
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else
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_source = InvalidSource;
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}
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std::string ProcessClass::toString() const {
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switch (_class) {
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case UnsetClass:
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return "unset";
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case StorageClass:
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return "storage";
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case TransactionClass:
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return "transaction";
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case ResolutionClass:
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return "resolution";
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case CommitProxyClass:
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return "commit_proxy";
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case GrvProxyClass:
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return "grv_proxy";
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case MasterClass:
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return "master";
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case TesterClass:
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return "test";
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case StatelessClass:
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return "stateless";
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case LogClass:
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return "log";
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case LogRouterClass:
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return "router";
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case ClusterControllerClass:
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return "cluster_controller";
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case FastRestoreClass:
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ASSERT(false);
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return "fast_restore";
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case DataDistributorClass:
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return "data_distributor";
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case CoordinatorClass:
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return "coordinator";
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case RatekeeperClass:
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return "ratekeeper";
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case ConsistencyScanClass:
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return "consistency_scan";
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case BlobManagerClass:
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return "blob_manager";
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case BlobWorkerClass:
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return "blob_worker";
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case BackupClass:
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return "backup";
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case EncryptKeyProxyClass:
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return "encrypt_key_proxy";
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case SimHTTPServerClass:
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return "sim_http_server";
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default:
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return "invalid";
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}
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}
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std::string ProcessClass::sourceString() const {
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switch (_source) {
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case CommandLineSource:
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return "command_line";
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case AutoSource:
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return "configure_auto";
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case DBSource:
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return "set_class";
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default:
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return "invalid";
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}
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}
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ProcessClass::Fitness ProcessClass::machineClassFitness(ClusterRole role) const {
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switch (role) {
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case ProcessClass::Storage:
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switch (_class) {
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case ProcessClass::StorageClass:
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return ProcessClass::BestFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::TransactionClass:
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case ProcessClass::LogClass:
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return ProcessClass::WorstFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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default:
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return ProcessClass::NeverAssign;
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}
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case ProcessClass::TLog:
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switch (_class) {
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case ProcessClass::LogClass:
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return ProcessClass::BestFit;
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case ProcessClass::TransactionClass:
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return ProcessClass::GoodFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::StorageClass:
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return ProcessClass::WorstFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::NeverAssign;
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default:
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return ProcessClass::NeverAssign;
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}
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case ProcessClass::CommitProxy: // Resolver, Master, CommitProxy, and GrvProxy need to be the same besides best fit
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switch (_class) {
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case ProcessClass::CommitProxyClass:
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return ProcessClass::BestFit;
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case ProcessClass::StatelessClass:
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return ProcessClass::GoodFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::TransactionClass:
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return ProcessClass::OkayFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::NeverAssign;
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default:
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return ProcessClass::WorstFit;
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}
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case ProcessClass::GrvProxy: // Resolver, Master, CommitProxy, and GrvProxy need to be the same besides best fit
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switch (_class) {
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case ProcessClass::GrvProxyClass:
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return ProcessClass::BestFit;
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case ProcessClass::StatelessClass:
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return ProcessClass::GoodFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::TransactionClass:
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return ProcessClass::OkayFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::NeverAssign;
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default:
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return ProcessClass::WorstFit;
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}
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case ProcessClass::Master: // Resolver, Master, CommitProxy, and GrvProxy need to be the same besides best fit
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switch (_class) {
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case ProcessClass::MasterClass:
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return ProcessClass::BestFit;
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case ProcessClass::StatelessClass:
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return ProcessClass::GoodFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::TransactionClass:
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return ProcessClass::OkayFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::NeverAssign;
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default:
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return ProcessClass::WorstFit;
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}
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case ProcessClass::Resolver: // Resolver, Master, CommitProxy, and GrvProxy need to be the same besides best fit
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switch (_class) {
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case ProcessClass::ResolutionClass:
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return ProcessClass::BestFit;
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case ProcessClass::StatelessClass:
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return ProcessClass::GoodFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::TransactionClass:
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return ProcessClass::OkayFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::NeverAssign;
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default:
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return ProcessClass::WorstFit;
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}
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case ProcessClass::LogRouter:
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switch (_class) {
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case ProcessClass::LogRouterClass:
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return ProcessClass::BestFit;
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case ProcessClass::StatelessClass:
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return ProcessClass::GoodFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::TransactionClass:
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return ProcessClass::OkayFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::NeverAssign;
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default:
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return ProcessClass::WorstFit;
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}
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case ProcessClass::Backup:
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switch (_class) {
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case ProcessClass::BackupClass:
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return ProcessClass::BestFit;
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case ProcessClass::StatelessClass:
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case ProcessClass::LogRouterClass:
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return ProcessClass::GoodFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::TransactionClass:
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return ProcessClass::OkayFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::MasterClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::NeverAssign;
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default:
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return ProcessClass::WorstFit;
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}
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case ProcessClass::ClusterController:
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switch (_class) {
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case ProcessClass::ClusterControllerClass:
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return ProcessClass::BestFit;
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case ProcessClass::StatelessClass:
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return ProcessClass::GoodFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::MasterClass:
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case ProcessClass::ResolutionClass:
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case ProcessClass::TransactionClass:
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case ProcessClass::CommitProxyClass:
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case ProcessClass::GrvProxyClass:
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case ProcessClass::LogRouterClass:
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return ProcessClass::OkayFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::NeverAssign;
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default:
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return ProcessClass::WorstFit;
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}
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case ProcessClass::DataDistributor:
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switch (_class) {
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case ProcessClass::DataDistributorClass:
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return ProcessClass::BestFit;
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case ProcessClass::StatelessClass:
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return ProcessClass::GoodFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::MasterClass:
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return ProcessClass::OkayFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::NeverAssign;
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default:
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return ProcessClass::WorstFit;
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}
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case ProcessClass::Ratekeeper:
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switch (_class) {
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case ProcessClass::RatekeeperClass:
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return ProcessClass::BestFit;
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case ProcessClass::StatelessClass:
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return ProcessClass::GoodFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::MasterClass:
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return ProcessClass::OkayFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::NeverAssign;
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default:
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return ProcessClass::WorstFit;
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}
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case ProcessClass::ConsistencyScan:
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switch (_class) {
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case ProcessClass::ConsistencyScanClass:
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return ProcessClass::BestFit;
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case ProcessClass::StatelessClass:
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return ProcessClass::GoodFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::MasterClass:
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return ProcessClass::OkayFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::NeverAssign;
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default:
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return ProcessClass::WorstFit;
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}
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case ProcessClass::BlobManager:
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switch (_class) {
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case ProcessClass::BlobManagerClass:
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return ProcessClass::BestFit;
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case ProcessClass::StatelessClass:
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return ProcessClass::GoodFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::MasterClass:
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return ProcessClass::OkayFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::NeverAssign;
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default:
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return ProcessClass::WorstFit;
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}
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case ProcessClass::BlobWorker:
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switch (_class) {
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::BestFit;
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default:
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return ProcessClass::NeverAssign;
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}
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case ProcessClass::BlobMigrator:
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switch (_class) {
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case ProcessClass::StatelessClass:
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return ProcessClass::GoodFit;
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case ProcessClass::MasterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::OkayFit;
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default:
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return ProcessClass::NeverAssign;
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}
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case ProcessClass::EncryptKeyProxy:
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switch (_class) {
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case ProcessClass::EncryptKeyProxyClass:
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return ProcessClass::BestFit;
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case ProcessClass::StatelessClass:
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return ProcessClass::GoodFit;
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case ProcessClass::UnsetClass:
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return ProcessClass::UnsetFit;
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case ProcessClass::MasterClass:
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return ProcessClass::OkayFit;
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case ProcessClass::CoordinatorClass:
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case ProcessClass::TesterClass:
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case ProcessClass::BlobWorkerClass:
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return ProcessClass::NeverAssign;
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default:
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return ProcessClass::WorstFit;
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}
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default:
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return ProcessClass::NeverAssign;
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}
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}
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LBDistance::Type loadBalanceDistance(LocalityData const& loc1, LocalityData const& loc2, NetworkAddress const& addr2) {
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if (FLOW_KNOBS->LOAD_BALANCE_ZONE_ID_LOCALITY_ENABLED && loc1.zoneId().present() &&
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loc1.zoneId() == loc2.zoneId()) {
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return LBDistance::SAME_MACHINE;
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}
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// FIXME: add this back in when load balancing works with local requests
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// if ( g_network->isAddressOnThisHost( addr2 ) )
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// return LBDistance::SAME_MACHINE;
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if (FLOW_KNOBS->LOAD_BALANCE_DC_ID_LOCALITY_ENABLED && loc1.dcId().present() && loc1.dcId() == loc2.dcId()) {
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return LBDistance::SAME_DC;
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}
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return LBDistance::DISTANT;
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}
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