foundationdb/fdbrpc/sim_validation.cpp

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2017-05-26 04:48:44 +08:00
/*
* sim_validation.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
*
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* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
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* http://www.apache.org/licenses/LICENSE-2.0
*
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* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "sim_validation.h"
#include "fdbrpc/TraceFileIO.h"
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#include "flow/network.h"
#include "fdbrpc/simulator.h"
//used for simulation validations
static std::map< std::string, int64_t > validationData;
static std::set<UID> disabledMachines;
void debug_setVersionCheckEnabled(UID uid, bool enabled) {
if(enabled)
disabledMachines.erase(uid);
else {
disabledMachines.insert(uid);
debug_removeVersions(uid);
}
}
void debug_advanceCommittedVersions(UID id, int64_t minVersion, int64_t maxVersion) {
debug_advanceMinCommittedVersion(id, minVersion);
debug_advanceMaxCommittedVersion(id, maxVersion);
}
void debug_advanceVersion(UID id, int64_t version, const char *suffix) {
if(!disabledMachines.count(id)) {
auto& entry = validationData[id.toString() + suffix];
if( version > entry )
entry = version;
}
}
void debug_advanceMinCommittedVersion(UID id, int64_t version) {
if (!g_network->isSimulated() || g_simulator.extraDB) return;
debug_advanceVersion(id, version, "min");
}
void debug_advanceMaxCommittedVersion(UID id, int64_t version) {
if (!g_network->isSimulated() || g_simulator.extraDB) return;
debug_advanceVersion(id, version, "max");
}
bool debug_checkPartRestoredVersion( UID id, int64_t version, std::string context, std::string minormax, Severity sev = SevError ) {
if (!g_network->isSimulated() || g_simulator.extraDB) return false;
if( disabledMachines.count(id) ) return false;
if( !validationData.count( id.toString() + minormax ) ) {
TraceEvent(SevWarn, (context + "UnknownVersion").c_str(), id).detail("RestoredVersion", version);
return false;
}
int sign = minormax=="min" ? 1 : -1;
if( version*sign < validationData[id.toString() + minormax]*sign ) {
TraceEvent(sev, (context + "DurabilityError").c_str(), id)
.detail("RestoredVersion", version)
.detail("Checking", minormax)
.detail("MinVersion", validationData[id.toString() + "min"])
.detail("MaxVersion", validationData[id.toString() + "max"]);
return true;
}
return false;
}
bool debug_checkRestoredVersion( UID id, int64_t version, std::string context, Severity sev ) {
if (!g_network->isSimulated() || g_simulator.extraDB) return false;
return debug_checkPartRestoredVersion(id, version, context, "min", sev) || debug_checkPartRestoredVersion(id, version, context, "max", sev);
}
void debug_removeVersions(UID id) {
if(!g_network->isSimulated() || g_simulator.extraDB) return;
validationData.erase( id.toString() + "min" );
validationData.erase( id.toString() + "max" );
}
bool debug_versionsExist(UID id) {
if(!g_network->isSimulated() || g_simulator.extraDB) return false;
return validationData.count( id.toString() + "min" ) != 0 || validationData.count( id.toString() + "max" ) != 0;
}
bool debug_checkMinRestoredVersion( UID id, int64_t version, std::string context, Severity sev ) {
if (!g_network->isSimulated() || g_simulator.extraDB) return false;
return debug_checkPartRestoredVersion(id, version, context, "min", sev);
}
bool debug_checkMaxRestoredVersion( UID id, int64_t version, std::string context, Severity sev ) {
if (!g_network->isSimulated() || g_simulator.extraDB) return false;
return debug_checkPartRestoredVersion(id, version, context, "max", sev);
}
static bool checkRelocationDuration;
bool debug_isCheckRelocationDuration() {
return checkRelocationDuration;
}
void debug_setCheckRelocationDuration(bool check) {
checkRelocationDuration = check;
}