foundationdb/fdbserver/MutationTracking.h

48 lines
2.1 KiB
C++

/*
* MutationTracking.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2020 Apple Inc. and the FoundationDB project authors
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
#ifndef _FDBSERVER_MUTATIONTRACKING_H_
#define _FDBSERVER_MUTATIONTRACKING_H_
#pragma once
#include "fdbclient/FDBTypes.h"
#include "fdbclient/CommitTransaction.h"
#define MUTATION_TRACKING_ENABLED 0
// The keys to track are defined in the .cpp file to limit recompilation.
#define DEBUG_MUTATION(...) MUTATION_TRACKING_ENABLED&& debugMutation(__VA_ARGS__)
TraceEvent debugMutation(const char* context, Version version, MutationRef const& mutation, UID id = UID());
// debugKeyRange and debugTagsAndMessage only log the *first* occurrence of a key in their range/commit.
// TODO: Create a TraceEventGroup that forwards all calls to each element of a std::vector<TraceEvent>,
// to allow "multiple" TraceEvents to be returned.
#define DEBUG_KEY_RANGE(...) MUTATION_TRACKING_ENABLED&& debugKeyRange(__VA_ARGS__)
TraceEvent debugKeyRange(const char* context, Version version, KeyRangeRef const& keys, UID id = UID());
#define DEBUG_TAGS_AND_MESSAGE(...) MUTATION_TRACKING_ENABLED&& debugTagsAndMessage(__VA_ARGS__)
TraceEvent debugTagsAndMessage(const char* context, Version version, StringRef commitBlob, UID id = UID());
// TODO: Version Tracking. If the bug is in handling a version rather than a key, then it'd be good to be able to log
// each time that version is handled within simulation. A similar set of functions should be implemented.
#endif