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PHLog.h
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1 #ifndef PHOOL_PHLOG_H
2 #define PHOOL_PHLOG_H
3 
4 #include <log4cpp/Appender.hh>
5 #include <log4cpp/Category.hh>
6 #include <log4cpp/FileAppender.hh>
7 #include <log4cpp/OstreamAppender.hh>
8 #include <log4cpp/PatternLayout.hh>
9 #include <log4cpp/Priority.hh>
10 #include <log4cpp/PropertyConfigurator.hh>
11 
12 #include <pwd.h>
13 #include <sys/types.h>
14 #include <unistd.h>
15 
16 class PHLog
17 {
18  public:
19  static void Init()
20  {
21  const std::string initFileName = "phlog.conf";
22  const char* env_file = std::getenv("PHLOGCONF");
23  if (_file_exists(initFileName))
24  {
26  }
27  else if (_file_exists(std::string(_get_homedir()) + "/" + initFileName))
28  {
30  }
31  else if (env_file && _file_exists(env_file))
32  {
34  }
35  else
36  {
37  log4cpp::PatternLayout* layout1 = new log4cpp::PatternLayout();
38  layout1->setConversionPattern("%d [%p] %c: %m%n");
39  log4cpp::Appender* appender1 = new log4cpp::OstreamAppender("console", &std::cout);
40  appender1->setLayout(layout1);
41  log4cpp::Category& root = log4cpp::Category::getRoot();
42  root.setPriority(log4cpp::Priority::FATAL);
43  root.addAppender(appender1);
44  }
45  };
46 
47  static void Deinit()
48  {
49  log4cpp::Category::shutdown();
50  };
51 
52  static log4cpp::Category& get(const std::string& category = "")
53  {
54  static bool phlog_is_initialized = false;
55  if (!phlog_is_initialized)
56  {
57  Init();
58  phlog_is_initialized = true;
59  }
60  return log4cpp::Category::getInstance(category);
61  }
62 
63  private:
64  static const char* _get_homedir()
65  {
66  struct passwd* pw = getpwuid(getuid());
67  return pw->pw_dir;
68  };
69 
70  static inline bool _file_exists(const std::string& filename)
71  {
72  struct stat buffer;
73  return (stat(filename.c_str(), &buffer) == 0);
74  };
75 };
76 
77 // conditional logging
78 
79 #define LOG_DEBUG_IF(category, cond) \
80  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::DEBUG) && (cond)) \
81  PHLog::get(category) << log4cpp::Priority::DEBUG
82 
83 #define LOG_INFO_IF(category, cond) \
84  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::INFO) && (cond)) \
85  PHLog::get(category) << log4cpp::Priority::INFO
86 
87 #define LOG_NOTICE_IF(category, cond) \
88  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::NOTICE) && (cond)) \
89  PHLog::get(category) << log4cpp::Priority::NOTICE
90 
91 #define LOG_WARN_IF(category, cond) \
92  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::WARN) && (cond)) \
93  PHLog::get(category) << log4cpp::Priority::WARN
94 
95 #define LOG_ERROR_IF(category, cond) \
96  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::ERROR) && (cond)) \
97  PHLog::get(category) << log4cpp::Priority::ERROR
98 
99 #define LOG_CRIT_IF(category, cond) \
100  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::CRIT) && (cond)) \
101  PHLog::get(category) << log4cpp::Priority::CRIT
102 
103 #define LOG_ALERT_IF(category, cond) \
104  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::ALERT) && (cond)) \
105  PHLog::get(category) << log4cpp::Priority::ALERT
106 
107 #define LOG_FATAL_IF(category, cond) \
108  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::FATAL) && (cond)) \
109  PHLog::get(category) << log4cpp::Priority::FATAL
110 
111 // non-conditional logging
112 
113 #define LOG_DEBUG(category) \
114  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::DEBUG)) \
115  PHLog::get(category) << log4cpp::Priority::DEBUG
116 
117 #define LOG_INFO(category) \
118  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::INFO)) \
119  PHLog::get(category) << log4cpp::Priority::INFO
120 
121 #define LOG_NOTICE(category) \
122  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::NOTICE)) \
123  PHLog::get(category) << log4cpp::Priority::NOTICE
124 
125 #define LOG_WARN(category) \
126  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::WARN)) \
127  PHLog::get(category) << log4cpp::Priority::WARN
128 
129 #define LOG_ERROR(category) \
130  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::ERROR)) \
131  PHLog::get(category) << log4cpp::Priority::ERROR
132 
133 #define LOG_CRIT(category) \
134  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::CRIT)) \
135  PHLog::get(category) << log4cpp::Priority::CRIT
136 
137 #define LOG_ALERT(category) \
138  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::ALERT)) \
139  PHLog::get(category) << log4cpp::Priority::ALERT
140 
141 #define LOG_FATAL(category) \
142  if (PHLog::get(category).isPriorityEnabled(log4cpp::Priority::FATAL)) \
143  PHLog::get(category) << log4cpp::Priority::FATAL
144 
145 #endif // PHOOL_PHLOG_H