foundationdb/flow/FaultInjection.h

/*
 * FaultInjection.h
 *
 * This source file is part of the FoundationDB open source project
 *
 * Copyright 2013-2018 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 FLOW_FAULTINJECTION_H
#define FLOW_FAULTINJECTION_H
#pragma once

#if 1
#define INJECT_FAULT( error_type, context ) \
	do { \
	if (should_inject_fault && should_inject_fault( context, __FILE__, __LINE__, error_code_##error_type )) \
			throw error_type().asInjectedFault(); \
	} while(0)

#define SHOULD_INJECT_FAULT( context ) \
	(should_inject_fault && should_inject_fault( context, __FILE__, __LINE__, 0 ))

extern bool (*should_inject_fault)( const char* context, const char* file, int line, int error_code );
#else
#define INJECT_FAULT( error_type, context )
#endif

#endif