64 lines
2.5 KiB
C++
64 lines
2.5 KiB
C++
/*
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* ConsistencyCheckCommand.actor.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 2013-2021 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 "fdbcli/fdbcli.actor.h"
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#include "fdbclient/FDBOptions.g.h"
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#include "fdbclient/IClientApi.h"
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#include "flow/Arena.h"
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#include "flow/FastRef.h"
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#include "flow/ThreadHelper.actor.h"
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#include "flow/actorcompiler.h" // This must be the last #include.
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namespace fdb_cli {
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const KeyRef consistencyCheckSpecialKey = LiteralStringRef("\xff\xff/management/consistency_check_suspended");
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ACTOR Future<bool> consistencyCheckCommandActor(Reference<ITransaction> tr, std::vector<StringRef> tokens) {
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// Here we do not proceed in a try-catch loop since the transaction is always supposed to succeed.
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// If not, the outer loop catch block(fdbcli.actor.cpp) will handle the error and print out the error message
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tr->setOption(FDBTransactionOptions::SPECIAL_KEY_SPACE_ENABLE_WRITES);
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if (tokens.size() == 1) {
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Optional<Value> suspended = wait(safeThreadFutureToFuture(tr->get(consistencyCheckSpecialKey)));
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printf("ConsistencyCheck is %s\n", suspended.present() ? "off" : "on");
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} else if (tokens.size() == 2 && tokencmp(tokens[1], "off")) {
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tr->set(consistencyCheckSpecialKey, Value());
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wait(safeThreadFutureToFuture(tr->commit()));
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} else if (tokens.size() == 2 && tokencmp(tokens[1], "on")) {
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tr->clear(consistencyCheckSpecialKey);
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wait(safeThreadFutureToFuture(tr->commit()));
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} else {
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printUsage(tokens[0]);
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return false;
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}
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return true;
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}
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CommandFactory consistencyCheckFactory(
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"consistencycheck",
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CommandHelp(
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"consistencycheck [on|off]",
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"permits or prevents consistency checking",
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"Calling this command with `on' permits consistency check processes to run and `off' will halt their checking. "
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"Calling this command with no arguments will display if consistency checking is currently allowed.\n"));
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} // namespace fdb_cli
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