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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
/**
* \file PerftoolError.h
*/
#ifndef tests_storePerftools_common_PerftoolError_h_
#define tests_storePerftools_common_PerftoolError_h_
#include "Streamable.h"
#include <map>
#include <stdexcept> // std::runtime_error
#include <stdint.h> // uint32_t
// Macro definitions
#include <cstring> // std::strerror()
#include <sstream> // std::ostringstream
/**
* \brief Macro to retrieve and format the C errno value as a string.
*
* \param errno Value of errno to be formatted.
*/
#define FORMAT_SYSERR(errno) " errno=" << errno << " (" << std::strerror(errno) << ")"
/**
* \brief Macro to check for a clean pthread creation and throwing a JournalException with code JERR_PTHREAD if
* thread creation failed.
*
* \param err Value or errno.
* \param pfn Name of system call that failed.
* \param cls Name of class in which function failed.
* \param fn Name of class function that failed.
*/
#define PTHREAD_CHK(err, pfn, cls, fn) if(err != 0) { \
std::ostringstream oss; \
oss << pfn << " failed: " << FORMAT_SYSERR(err); \
throw tests::storePerftools::common::PerftoolError(tests::storePerftools::common::PerftoolError::PERR_PTHREAD, oss.str(), cls, fn); \
}
namespace tests {
namespace storePerftools {
namespace common {
class PerftoolError: public std::runtime_error, public Streamable
{
public:
// --- Constructors & destructors ---
PerftoolError(const uint32_t errCode) throw ();
PerftoolError(const std::string& errMsg) throw ();
PerftoolError(const uint32_t errCode,
const std::string& errMsg) throw ();
PerftoolError(const uint32_t errCode,
const std::string& throwingClass,
const std::string& throwingFunction) throw ();
PerftoolError(const std::string& errMsg,
const std::string& throwingClass,
const std::string& throwingFunction) throw ();
PerftoolError(const uint32_t errCode,
const std::string& errMsg,
const std::string& throwingClass,
const std::string& throwingFunction) throw ();
virtual ~PerftoolError() throw();
const char* what() const throw (); // overrides std::runtime_error::what()
uint32_t getErrorCode() const throw ();
const std::string getAdditionalInfo() const throw ();
const std::string getThrowingClass() const throw ();
const std::string getThrowingFunction() const throw ();
// --- Implementation of class Streamable ---
virtual void toStream(std::ostream& os = std::cout) const;
// --- Generic and system errors ---
static const uint32_t PERR_PTHREAD; ///< pthread operation failure
static const char* s_errorMessage(const uint32_t err_no) throw ();
protected:
uint32_t m_errCode; ///< Error or failure code, taken from JournalErrors.
std::string m_errMsg; ///< Additional information pertaining to the error or failure.
std::string m_throwingClass; ///< Name of the class throwing the error.
std::string m_throwingFunction; ///< Name of the function throwing the error.
std::string m_what; ///< Standard error of failure message, taken from JournalErrors.
void formatWhatStr() throw ();
virtual const char* className();
typedef std::map<uint32_t, const char*> errorMap_t; ///< Type for map of error messages
typedef errorMap_t::const_iterator errorMapCitr_t; ///< Const iterator for map of error messages
static errorMap_t s_errorMap; ///< Map of error messages
static errorMapCitr_t s_errorMapIterator; ///< Const iterator
private:
static const char* s_className; ///< Name of this class, used in formatting error messages.
static bool s_initializedFlag; ///< Dummy flag, used to initialize map.
PerftoolError();
static bool s_initialize(); ///< Static fn for initializing static data
};
}}} // namespace tests::stprePerftools::common
#endif // tests_storePerftools_common_PerftoolError_h_
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