server/zexception.h

#ifndef _zexception_hpp_
#define _zexception_hpp_

#include <stdarg.h>
#include <exception>
#include <string>

#define DEF_EXCEPTION(clsname)\
class clsname##_exception:public std::exception\
{\
	std::string m_what;\
public:\
    clsname##_exception(const std::string&msg) throw():m_what(msg) { } \
    ~clsname##_exception() throw()  { } \
	const char* what() const throw() { return m_what.c_str(); }\
};

inline const char*eformat(char*buf,const char*fmt,...)
{
	va_list ap;
	va_start(ap, fmt);
	vsprintf(buf,fmt,ap);
	va_end(ap);

	return buf;
}
#define THROW_EXCEPTION(clsname,fmt,...)	{\
	char ___fmt0[512]; \
	char ___buf[2048]; \
	sprintf(___fmt0,"[%s:%d]%s",__FILE__,__LINE__,fmt);\
	eformat(___buf,fmt,##__VA_ARGS__);\
	throw clsname##_exception(___buf);\
}

#endif