libzypp  17.35.12
Logger.h
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8 \---------------------------------------------------------------------*/
12 #ifndef ZYPP_BASE_LOGGER_H
13 #define ZYPP_BASE_LOGGER_H
14 #include <cstring>
15 #include <iosfwd>
16 #include <string>
17 
18 #include <zypp/Globals.h>
19 
21 #ifndef ZYPP_NDEBUG
22 namespace zypp
23 {
24  namespace debug
25  { // impl in LogControl.cc
26 
27  // Log code loacaton and block leave
28  // Indent if nested
29  struct TraceLeave
30  {
31  TraceLeave( const TraceLeave & ) =delete;
32  TraceLeave & operator=( const TraceLeave & ) =delete;
33  TraceLeave( const char * file_r, const char * fnc_r, int line_r );
34  ~TraceLeave();
35  private:
36  static unsigned _depth;
37  const char * _file;
38  const char * _fnc;
39  int _line;
40  };
41 #define TRACE ::zypp::debug::TraceLeave _TraceLeave( __FILE__, __FUNCTION__, __LINE__ )
42 
43  // OnScreenDebug messages colored to stderr
44  struct ZYPP_API Osd
45  {
46  Osd( std::ostream &, int = 0 );
47  ~Osd();
48 
49  template<class Tp>
50  Osd & operator<<( Tp && val )
51  {
52  _strout << std::forward<Tp>(val);
53  _strlog << std::forward<Tp>(val);
54  return *this;
55  }
56 
57  Osd & operator<<( std::ostream& (*iomanip)( std::ostream& ) );
58 
59  private:
60  std::ostream & _strout;
61  std::ostream & _strlog;
62  };
63 #define OSD ::zypp::debug::Osd(L_USR("OSD"))
64  }
65 }
66 #endif // ZYPP_NDEBUG
67 
90 
91 #ifndef ZYPP_BASE_LOGGER_LOGGROUP
92 
93 #define ZYPP_BASE_LOGGER_LOGGROUP "DEFINE_LOGGROUP"
94 #endif
95 
96 #define XXX L_XXX( ZYPP_BASE_LOGGER_LOGGROUP )
97 #define DBG L_DBG( ZYPP_BASE_LOGGER_LOGGROUP )
98 #define MIL L_MIL( ZYPP_BASE_LOGGER_LOGGROUP )
99 #define WAR L_WAR( ZYPP_BASE_LOGGER_LOGGROUP )
100 #define ERR L_ERR( ZYPP_BASE_LOGGER_LOGGROUP )
101 #define SEC L_SEC( ZYPP_BASE_LOGGER_LOGGROUP )
102 #define INT L_INT( ZYPP_BASE_LOGGER_LOGGROUP )
103 #define USR L_USR( ZYPP_BASE_LOGGER_LOGGROUP )
104 
105 #define L_XXX(GROUP) ZYPP_BASE_LOGGER_LOG( GROUP, zypp::base::logger::E_XXX )
106 #define L_DBG(GROUP) ZYPP_BASE_LOGGER_LOG( GROUP"++", zypp::base::logger::E_MIL )
107 #define L_MIL(GROUP) ZYPP_BASE_LOGGER_LOG( GROUP, zypp::base::logger::E_MIL )
108 #define L_WAR(GROUP) ZYPP_BASE_LOGGER_LOG( GROUP, zypp::base::logger::E_WAR )
109 #define L_ERR(GROUP) ZYPP_BASE_LOGGER_LOG( GROUP, zypp::base::logger::E_ERR )
110 #define L_SEC(GROUP) ZYPP_BASE_LOGGER_LOG( GROUP, zypp::base::logger::E_SEC )
111 #define L_INT(GROUP) ZYPP_BASE_LOGGER_LOG( GROUP, zypp::base::logger::E_INT )
112 #define L_USR(GROUP) ZYPP_BASE_LOGGER_LOG( GROUP, zypp::base::logger::E_USR )
113 
114 
115 #define L_ENV_CONSTR_DEFINE_FUNC(ENV) \
116  namespace zypp::log { \
117  bool has_env_constr_##ENV () \
118  { \
119  static bool has_##ENV = (::getenv(#ENV) != NULL); \
120  return has_##ENV; \
121  } \
122  const char *empty_or_group_if_##ENV ( const char *group ) \
123  { \
124  return has_env_constr_##ENV() ? group : nullptr; \
125  } \
126  }
127 
128 #define L_ENV_CONSTR_FWD_DECLARE_FUNC(ENV) namespace zypp::log { bool has_env_constr_##ENV (); const char *empty_or_group_if_##ENV ( const char *group ); }
129 #define L_ENV_CONSTR(ENV,GROUP,LEVEL) ZYPP_BASE_LOGGER_LOG( zypp::log::empty_or_group_if_##ENV( GROUP ), LEVEL )
130 
131 #define L_BASEFILE ( *__FILE__ == '/' ? strrchr( __FILE__, '/' ) + 1 : __FILE__ )
132 
134 #define ZYPP_BASE_LOGGER_LOG(GROUP,LEVEL) \
135  zypp::base::logger::getStream( GROUP, LEVEL, L_BASEFILE, __FUNCTION__, __LINE__ )
136 
139 namespace zypp
141 {
142  namespace base
144  {
145 
147  namespace logger
148  {
149 
154  enum LogLevel {
155  E_XXX = 999,
156  E_DBG = 0,
163  };
164 
175  extern std::ostream & getStream( const char * group_r,
176  LogLevel level_r,
177  const char * file_r,
178  const char * func_r,
179  const int line_r ) ZYPP_API;
180  extern bool isExcessive() ZYPP_API;
181 
183  } // namespace logger
185 
187  } // namespace base
190 } // namespace zypp
192 #endif // ZYPP_BASE_LOGGER_H
Internal error.
Definition: Logger.h:161
Osd & operator<<(Tp &&val)
Definition: Logger.h:50
LogLevel
Definition of log levels.
Definition: Logger.h:154
std::ostream & _strlog
Definition: Logger.h:61
Debug or verbose.
Definition: Logger.h:156
std::ostream & _strout
Definition: Logger.h:60
TraceLeave & operator=(const TraceLeave &)=delete
Secutrity related.
Definition: Logger.h:160
const char * _fnc
Definition: Logger.h:38
TraceLeave(const TraceLeave &)=delete
const Arch Arch_armv7hnl Arch_armv7nhl ZYPP_API
Definition: ResTraits.h:93
std::ostream & operator<<(std::ostream &str, const Tm &obj)
Tm Stream output.
Definition: Measure.cc:128
static unsigned _depth
Definition: Logger.h:36
const char * _file
Definition: Logger.h:37
std::ostream & getStream(const char *group_r, LogLevel level_r, const char *file_r, const char *func_r, const int line_r)
Return a log stream to write on.
Definition: LogControl.cc:767
Excessive logging.
Definition: Logger.h:155
Easy-to use interface to the ZYPP dependency resolver.
Definition: Application.cc:19