EMANE  1.2.1
exception.h
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33 
34 #ifndef EMANEEXCEPTION_HEADER_
35 #define EMANEEXCEPTION_HEADER_
36 
37 #include <exception>
38 #include <string>
39 #include <cstdarg>
40 
41 namespace EMANE
42 {
49  class Exception : public std::exception
50  {
51  public:
55  ~Exception() throw(){}
56 
62  const char* what() const throw()
63  {
64  return sDescription_.c_str();
65  }
66 
72  virtual const char * type() const throw()
73  {
74  return sType_.c_str();
75  }
76 
77  protected:
78  Exception(const std::string & sType,
79  const std::string & sDescription = {}):
80  sType_{sType},
81  sDescription_{sDescription}{}
82 
83  private:
84  const std::string sType_;
85  const std::string sDescription_;
86  };
87 
99  template<typename T, std::size_t len = 1024>
100  T makeException(const char *fmt,...)
101  {
102  char buf[len];
103 
104  va_list ap;
105 
106  va_start(ap, fmt);
107 
108  vsnprintf(buf, sizeof(buf),fmt,ap);
109 
110  va_end(ap);
111 
112  return T{buf};
113  }
114 }
115 
116 #endif // EMANEEXCEPTION_HEADER_
virtual const char * type() const
Definition: exception.h:72
Exception base class that allows for type and description information.
Definition: exception.h:49
const char * what() const
Definition: exception.h:62
T makeException(const char *fmt,...)
Definition: exception.h:100
Definition: agent.h:43
Exception(const std::string &sType, const std::string &sDescription={})
Definition: exception.h:78