133 lines
4.3 KiB
C++
133 lines
4.3 KiB
C++
/*
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* LockDatabase.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 2013-2018 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 "fdbclient/NativeAPI.actor.h"
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#include "fdbserver/TesterInterface.actor.h"
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#include "fdbserver/workloads/workloads.actor.h"
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#include "fdbclient/ManagementAPI.actor.h"
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#include "flow/actorcompiler.h" // This must be the last #include.
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struct LockDatabaseWorkload : TestWorkload {
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double lockAfter, unlockAfter;
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bool ok;
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bool onlyCheckLocked;
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LockDatabaseWorkload(WorkloadContext const& wcx) : TestWorkload(wcx), ok(true) {
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lockAfter = getOption(options, LiteralStringRef("lockAfter"), 0.0);
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unlockAfter = getOption(options, LiteralStringRef("unlockAfter"), 10.0);
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onlyCheckLocked = getOption(options, LiteralStringRef("onlyCheckLocked"), false);
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ASSERT(unlockAfter > lockAfter);
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}
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std::string description() const override { return "LockDatabase"; }
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Future<Void> setup(Database const& cx) override { return Void(); }
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Future<Void> start(Database const& cx) override {
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if (clientId == 0)
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return onlyCheckLocked ? timeout(checkLocked(cx, this), 60, Void()) : lockWorker(cx, this);
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return Void();
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}
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Future<bool> check(Database const& cx) override { return ok; }
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void getMetrics(std::vector<PerfMetric>& m) override {}
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ACTOR static Future<RangeResult> lockAndSave(Database cx, LockDatabaseWorkload* self, UID lockID) {
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state Transaction tr(cx);
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loop {
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try {
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wait(lockDatabase(&tr, lockID));
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state RangeResult data = wait(tr.getRange(normalKeys, 50000));
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ASSERT(!data.more);
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wait(tr.commit());
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return data;
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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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ACTOR static Future<Void> unlockAndCheck(Database cx, LockDatabaseWorkload* self, UID lockID, RangeResult data) {
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state Transaction tr(cx);
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loop {
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try {
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tr.setOption(FDBTransactionOptions::LOCK_AWARE);
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Optional<Value> val = wait(tr.get(databaseLockedKey));
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if (!val.present())
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return Void();
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wait(unlockDatabase(&tr, lockID));
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state RangeResult data2 = wait(tr.getRange(normalKeys, 50000));
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if (data.size() != data2.size()) {
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TraceEvent(SevError, "DataChangedWhileLocked")
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.detail("BeforeSize", data.size())
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.detail("AfterSize", data2.size());
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self->ok = false;
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} else if (data != data2) {
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TraceEvent(SevError, "DataChangedWhileLocked").detail("Size", data.size());
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for (int i = 0; i < data.size(); i++) {
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if (data[i] != data2[i]) {
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TraceEvent(SevError, "DataChangedWhileLocked")
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.detail("I", i)
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.detail("Before", printable(data[i]))
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.detail("After", printable(data2[i]));
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}
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}
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self->ok = false;
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}
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wait(tr.commit());
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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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ACTOR static Future<Void> checkLocked(Database cx, LockDatabaseWorkload* self) {
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state Transaction tr(cx);
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loop {
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try {
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Version v = wait(tr.getReadVersion());
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TraceEvent(SevError, "GotVersionWhileLocked").detail("Version", v);
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self->ok = false;
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return Void();
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} catch (Error& e) {
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TEST(e.code() == error_code_database_locked); // Database confirmed locked
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wait(tr.onError(e));
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}
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}
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}
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ACTOR static Future<Void> lockWorker(Database cx, LockDatabaseWorkload* self) {
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state UID lockID = deterministicRandom()->randomUniqueID();
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wait(delay(self->lockAfter));
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state RangeResult data = wait(lockAndSave(cx, self, lockID));
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state Future<Void> checker = checkLocked(cx, self);
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wait(delay(self->unlockAfter - self->lockAfter));
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checker.cancel();
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wait(unlockAndCheck(cx, self, lockID, data));
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return Void();
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}
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};
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WorkloadFactory<LockDatabaseWorkload> LockDatabaseWorkloadFactory("LockDatabase");
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