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/*
* psocksxx - A C++ wrapper for POSIX sockets
* Copyright (C) 2013 Uditha Atukorala
*
* This software library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This software library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef PSOCKSXX_SOCKEXCEPTION_H
#define PSOCKSXX_SOCKEXCEPTION_H
#include <exception>
#include <cstddef>
#include <string>
namespace psocksxx {
/**
* @brief Socket exception
*
* This is the base class for all socket exceptions.
*/
class sockexception : public std::exception {
public:
/**
* @brief constructor
*
* Create an instance with the passed in error message.
* If a message is not passed in or is equal to @c 0 then
* the system error message is used.
*
* @param message (optional) user error message
*/
sockexception( const char * message = 0 ) throw();
virtual ~sockexception() throw(); //!< destructor
/**
* @brief Returns exception message
*
* Returns a C-Style character string describing the
* exception.
*
* @return exception message
* @sa sockexception() constructor
*/
const char * what() const throw();
protected:
/** user exception message */
std::string _message;
/** system error number */
int _errno;
/** system error message */
std::string _sys_msg;
};
} /* end of namespace psocksxx */
#endif /* !PSOCKSXX_SOCKEXCEPTION_H */
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