98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
/*
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* BlobRangeCommand.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 "fdbclient/ManagementAPI.actor.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 {
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// copy to standalones for krm
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ACTOR Future<Void> setBlobRange(Database db, Key startKey, Key endKey, Value value) {
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state Reference<ReadYourWritesTransaction> tr = makeReference<ReadYourWritesTransaction>(db);
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loop {
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try {
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tr->setOption(FDBTransactionOptions::ACCESS_SYSTEM_KEYS);
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tr->setOption(FDBTransactionOptions::PRIORITY_SYSTEM_IMMEDIATE);
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// FIXME: check that the set range is currently inactive, and that a revoked range is currently its own
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// range in the map and fully set.
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tr->set(blobRangeChangeKey, deterministicRandom()->randomUniqueID().toString());
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// This is not coalescing because we want to keep each range logically separate.
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wait(krmSetRange(tr, blobRangeKeys.begin, KeyRange(KeyRangeRef(startKey, endKey)), value));
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wait(tr->commit());
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printf("Successfully updated blob range [%s - %s) to %s\n",
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startKey.printable().c_str(),
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endKey.printable().c_str(),
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value.printable().c_str());
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return Void();
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} catch (Error& e) {
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wait(tr->onError(e));
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}
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}
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}
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} // namespace
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namespace fdb_cli {
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ACTOR Future<bool> blobRangeCommandActor(Database localDb, std::vector<StringRef> tokens) {
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// enables blob writing for the given range
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if (tokens.size() != 4) {
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printUsage(tokens[0]);
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return false;
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} else if (tokens[3] > LiteralStringRef("\xff")) {
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// TODO is this something we want?
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printf("Cannot blobbify system keyspace! Problematic End Key: %s\n", tokens[3].printable().c_str());
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return false;
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} else if (tokens[2] >= tokens[3]) {
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printf("Invalid blob range [%s - %s)\n", tokens[2].printable().c_str(), tokens[3].printable().c_str());
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} else {
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if (tokencmp(tokens[1], "start")) {
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printf("Starting blobbify range for [%s - %s)\n",
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tokens[2].printable().c_str(),
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tokens[3].printable().c_str());
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wait(setBlobRange(localDb, tokens[2], tokens[3], LiteralStringRef("1")));
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} else if (tokencmp(tokens[1], "stop")) {
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printf("Stopping blobbify range for [%s - %s)\n",
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tokens[2].printable().c_str(),
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tokens[3].printable().c_str());
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wait(setBlobRange(localDb, tokens[2], tokens[3], StringRef()));
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} else {
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printUsage(tokens[0]);
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printf("Usage: blobrange <start|stop> <startkey> <endkey>");
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return false;
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}
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}
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return true;
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}
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CommandFactory blobRangeFactory("blobrange", CommandHelp("blobrange <start|stop> <startkey> <endkey>", "", ""));
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} // namespace fdb_cli
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