133 lines
4.2 KiB
C++
133 lines
4.2 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 "flow/actorcompiler.h"
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#include "fdbclient/NativeAPI.h"
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#include "fdbserver/TesterInterface.h"
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#include "workloads.h"
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#include "fdbclient/ManagementAPI.h"
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struct LockDatabaseWorkload : TestWorkload {
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double lockAfter, unlockAfter;
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bool ok;
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LockDatabaseWorkload(WorkloadContext const& wcx)
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: TestWorkload(wcx), ok(true)
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{
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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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ASSERT(unlockAfter > lockAfter);
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}
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virtual std::string description() { return "LockDatabase"; }
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virtual Future<Void> setup( Database const& cx ) {
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return Void();
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}
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virtual Future<Void> start( Database const& cx ) {
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if( clientId == 0 )
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return lockWorker( cx, this );
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return Void();
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}
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virtual Future<bool> check( Database const& cx ) {
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return ok;
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}
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virtual void getMetrics( vector<PerfMetric>& m ) {
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}
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ACTOR static Future<Standalone<RangeResultRef>> 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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Void _ = wait( lockDatabase(&tr, lockID) );
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state Standalone<RangeResultRef> data = wait( tr.getRange(normalKeys, 50000) );
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ASSERT(!data.more);
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Void _ = wait( tr.commit() );
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return data;
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} catch( Error &e ) {
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Void _ = 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, Standalone<RangeResultRef> 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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Void _ = wait( unlockDatabase(&tr, lockID) );
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state Standalone<RangeResultRef> data2 = wait( tr.getRange(normalKeys, 50000) );
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if(data.size() != data2.size()) {
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TraceEvent(SevError, "DataChangedWhileLocked").detail("beforeSize", data.size()).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").detail("i", i).detail("before", printable(data[i])).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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Void _ = wait( tr.commit() );
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return Void();
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} catch( Error &e ) {
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Void _ = 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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Void _ = 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 Future<Void> disabler = disableConnectionFailuresAfter(300, "lockDb");
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state UID lockID = g_random->randomUniqueID();
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Void _ = wait(delay(self->lockAfter));
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state Standalone<RangeResultRef> data = wait(lockAndSave(cx, self, lockID));
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state Future<Void> checker = checkLocked(cx, self);
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Void _ = wait(delay(self->unlockAfter - self->lockAfter));
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checker.cancel();
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Void _ = 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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