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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 jexception.h
*
* Qpid asynchronous store plugin library
*
* Generic journal exception class mrg::journal::jexception (derived
* from class std::exception). Intended to serve as a common exception
* class for all more speicalized exceptions in the message journal. See
* class documentation for details.
*
* \author Kim van der Riet
*/
#ifndef QPID_LEGACYSTORE_JRNL_JEXCEPTION_H
#define QPID_LEGACYSTORE_JRNL_JEXCEPTION_H
namespace mrg
{
namespace journal
{
class jexception;
}
}
#include <cerrno>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <exception>
#include "qpid/legacystore/jrnl/jerrno.h"
#include <sstream>
#include <string>
#include <sys/types.h>
// Macro for formatting commom system errors
#define FORMAT_SYSERR(errno) " errno=" << errno << " (" << std::strerror(errno) << ")"
#define MALLOC_CHK(ptr, var, cls, fn) if(ptr == 0) { \
clean(); \
std::ostringstream oss; \
oss << var << ": malloc() failed: " << FORMAT_SYSERR(errno); \
throw jexception(jerrno::JERR__MALLOC, oss.str(), cls, fn); \
}
// TODO: The following is a temporary bug-tracking aid which forces a core.
// Replace with the commented out version below when BZ484048 is resolved.
#define PTHREAD_CHK(err, pfn, cls, fn) if(err != 0) { \
std::ostringstream oss; \
oss << cls << "::" << fn << "(): " << pfn; \
errno = err; \
::perror(oss.str().c_str()); \
::abort(); \
}
/*
#define PTHREAD_CHK(err, pfn, cls, fn) if(err != 0) { \
std::ostringstream oss; \
oss << pfn << " failed: " << FORMAT_SYSERR(err); \
throw jexception(jerrno::JERR__PTHREAD, oss.str(), cls, fn); \
}
*/
#define ASSERT(cond, msg) if(cond == 0) { \
std::cerr << msg << std::endl; \
::abort(); \
}
namespace mrg
{
namespace journal
{
/**
* \class jexception
* \brief Generic journal exception class
*/
class jexception : public std::exception
{
private:
u_int32_t _err_code;
std::string _additional_info;
std::string _throwing_class;
std::string _throwing_fn;
std::string _what;
void format();
public:
jexception() throw ();
jexception(const u_int32_t err_code) throw ();
jexception(const char* additional_info) throw ();
jexception(const std::string& additional_info) throw ();
jexception(const u_int32_t err_code, const char* additional_info) throw ();
jexception(const u_int32_t err_code, const std::string& additional_info) throw ();
jexception(const u_int32_t err_code, const char* throwing_class, const char* throwing_fn)
throw ();
jexception(const u_int32_t err_code, const std::string& throwing_class,
const std::string& throwing_fn) throw ();
jexception(const u_int32_t err_code, const char* additional_info,
const char* throwing_class, const char* throwing_fn) throw ();
jexception(const u_int32_t err_code, const std::string& additional_info,
const std::string& throwing_class, const std::string& throwing_fn) throw ();
virtual ~jexception() throw ();
virtual const char* what() const throw (); // override std::exception::what()
inline u_int32_t err_code() const throw () { return _err_code; }
inline const std::string additional_info() const throw () { return _additional_info; }
inline const std::string throwing_class() const throw () { return _throwing_class; }
inline const std::string throwing_fn() const throw () { return _throwing_fn; }
friend std::ostream& operator<<(std::ostream& os, const jexception& je);
friend std::ostream& operator<<(std::ostream& os, const jexception* jePtr);
}; // class jexception
} // namespace journal
} // namespace mrg
#endif // ifndef QPID_LEGACYSTORE_JRNL_JEXCEPTION_H
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