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logging.h File Reference
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Macros

#define PG_LOG_FLAG_TERSE   1
 
#define pg_log_error(...)    pg_log_generic(PG_LOG_ERROR, PG_LOG_PRIMARY, __VA_ARGS__)
 
#define pg_log_error_detail(...)    pg_log_generic(PG_LOG_ERROR, PG_LOG_DETAIL, __VA_ARGS__)
 
#define pg_log_error_hint(...)    pg_log_generic(PG_LOG_ERROR, PG_LOG_HINT, __VA_ARGS__)
 
#define pg_log_warning(...)    pg_log_generic(PG_LOG_WARNING, PG_LOG_PRIMARY, __VA_ARGS__)
 
#define pg_log_warning_detail(...)    pg_log_generic(PG_LOG_WARNING, PG_LOG_DETAIL, __VA_ARGS__)
 
#define pg_log_warning_hint(...)    pg_log_generic(PG_LOG_WARNING, PG_LOG_HINT, __VA_ARGS__)
 
#define pg_log_info(...)    pg_log_generic(PG_LOG_INFO, PG_LOG_PRIMARY, __VA_ARGS__)
 
#define pg_log_info_detail(...)    pg_log_generic(PG_LOG_INFO, PG_LOG_DETAIL, __VA_ARGS__)
 
#define pg_log_info_hint(...)    pg_log_generic(PG_LOG_INFO, PG_LOG_HINT, __VA_ARGS__)
 
#define pg_log_debug(...)
 
#define pg_log_debug_detail(...)
 
#define pg_log_debug_hint(...)
 
#define pg_fatal(...)
 

Enumerations

enum  pg_log_level {
  PG_LOG_NOTSET = 0 , PG_LOG_DEBUG , PG_LOG_INFO , PG_LOG_WARNING ,
  PG_LOG_ERROR , PG_LOG_OFF
}
 
enum  pg_log_part { PG_LOG_PRIMARY , PG_LOG_DETAIL , PG_LOG_HINT }
 

Functions

void pg_logging_init (const char *argv0)
 
void pg_logging_config (int new_flags)
 
void pg_logging_set_level (enum pg_log_level new_level)
 
void pg_logging_increase_verbosity (void)
 
void pg_logging_set_pre_callback (void(*cb)(void))
 
void pg_logging_set_locus_callback (void(*cb)(const char **filename, uint64 *lineno))
 
void pg_log_generic (enum pg_log_level level, enum pg_log_part part, const char *pg_restrict fmt,...) pg_attribute_printf(3
 
void void pg_log_generic_v (enum pg_log_level level, enum pg_log_part part, const char *pg_restrict fmt, va_list ap) pg_attribute_printf(3
 

Variables

enum pg_log_level __pg_log_level
 

Macro Definition Documentation

◆ pg_fatal

#define pg_fatal (   ...)
Value:
do { \
pg_log_generic(PG_LOG_ERROR, PG_LOG_PRIMARY, __VA_ARGS__); \
exit(1); \
} while(0)
PG_LOG_PRIMARY
@ PG_LOG_PRIMARY
Definition: logging.h:67
PG_LOG_ERROR
@ PG_LOG_ERROR
Definition: logging.h:43

Definition at line 151 of file logging.h.

◆ pg_log_debug

#define pg_log_debug (   ...)
Value:
do { \
if (unlikely(__pg_log_level <= PG_LOG_DEBUG)) \
pg_log_generic(PG_LOG_DEBUG, PG_LOG_PRIMARY, __VA_ARGS__); \
} while(0)
unlikely
#define unlikely(x)
Definition: c.h:300
PG_LOG_DEBUG
@ PG_LOG_DEBUG
Definition: logging.h:26
__pg_log_level
enum pg_log_level __pg_log_level
Definition: logging.c:21

Definition at line 133 of file logging.h.

◆ pg_log_debug_detail

#define pg_log_debug_detail (   ...)
Value:
do { \
if (unlikely(__pg_log_level <= PG_LOG_DEBUG)) \
pg_log_generic(PG_LOG_DEBUG, PG_LOG_DETAIL, __VA_ARGS__); \
} while(0)
PG_LOG_DETAIL
@ PG_LOG_DETAIL
Definition: logging.h:73

Definition at line 138 of file logging.h.

◆ pg_log_debug_hint

#define pg_log_debug_hint (   ...)
Value:
do { \
if (unlikely(__pg_log_level <= PG_LOG_DEBUG)) \
pg_log_generic(PG_LOG_DEBUG, PG_LOG_HINT, __VA_ARGS__); \
} while(0)
PG_LOG_HINT
@ PG_LOG_HINT
Definition: logging.h:79

Definition at line 143 of file logging.h.

◆ pg_log_error

#define pg_log_error (   ...)     pg_log_generic(PG_LOG_ERROR, PG_LOG_PRIMARY, __VA_ARGS__)

Definition at line 106 of file logging.h.

◆ pg_log_error_detail

#define pg_log_error_detail (   ...)     pg_log_generic(PG_LOG_ERROR, PG_LOG_DETAIL, __VA_ARGS__)

Definition at line 109 of file logging.h.

◆ pg_log_error_hint

#define pg_log_error_hint (   ...)     pg_log_generic(PG_LOG_ERROR, PG_LOG_HINT, __VA_ARGS__)

Definition at line 112 of file logging.h.

◆ PG_LOG_FLAG_TERSE

#define PG_LOG_FLAG_TERSE   1

Definition at line 86 of file logging.h.

◆ pg_log_info

#define pg_log_info (   ...)     pg_log_generic(PG_LOG_INFO, PG_LOG_PRIMARY, __VA_ARGS__)

Definition at line 124 of file logging.h.

◆ pg_log_info_detail

#define pg_log_info_detail (   ...)     pg_log_generic(PG_LOG_INFO, PG_LOG_DETAIL, __VA_ARGS__)

Definition at line 127 of file logging.h.

◆ pg_log_info_hint

#define pg_log_info_hint (   ...)     pg_log_generic(PG_LOG_INFO, PG_LOG_HINT, __VA_ARGS__)

Definition at line 130 of file logging.h.

◆ pg_log_warning

#define pg_log_warning (   ...)     pg_log_generic(PG_LOG_WARNING, PG_LOG_PRIMARY, __VA_ARGS__)

Definition at line 115 of file logging.h.

◆ pg_log_warning_detail

#define pg_log_warning_detail (   ...)     pg_log_generic(PG_LOG_WARNING, PG_LOG_DETAIL, __VA_ARGS__)

Definition at line 118 of file logging.h.

◆ pg_log_warning_hint

#define pg_log_warning_hint (   ...)     pg_log_generic(PG_LOG_WARNING, PG_LOG_HINT, __VA_ARGS__)

Definition at line 121 of file logging.h.

Enumeration Type Documentation

◆ pg_log_level

enum pg_log_level
Enumerator
PG_LOG_NOTSET 
PG_LOG_DEBUG 
PG_LOG_INFO 
PG_LOG_WARNING 
PG_LOG_ERROR 
PG_LOG_OFF 

Definition at line 16 of file logging.h.

17 {
18  /*
19  * Not initialized yet (not to be used as an actual message log level).
20  */
21  PG_LOG_NOTSET = 0,
22 
23  /*
24  * Low level messages that are normally off by default.
25  */
26  PG_LOG_DEBUG,
27 
28  /*
29  * Any program messages that go to stderr, shown by default. (The
30  * program's normal output should go to stdout and not use the logging
31  * system.)
32  */
33  PG_LOG_INFO,
34 
35  /*
36  * Warnings and "almost" errors, depends on the program
37  */
38  PG_LOG_WARNING,
39 
40  /*
41  * Errors
42  */
43  PG_LOG_ERROR,
44 
45  /*
46  * Turn all logging off (not to be used as an actual message log level).
47  */
48  PG_LOG_OFF,
49 };
PG_LOG_INFO
@ PG_LOG_INFO
Definition: logging.h:33
PG_LOG_NOTSET
@ PG_LOG_NOTSET
Definition: logging.h:21
PG_LOG_WARNING
@ PG_LOG_WARNING
Definition: logging.h:38
PG_LOG_OFF
@ PG_LOG_OFF
Definition: logging.h:48

◆ pg_log_part

enum pg_log_part
Enumerator
PG_LOG_PRIMARY 
PG_LOG_DETAIL 
PG_LOG_HINT 

Definition at line 61 of file logging.h.

62 {
63  /*
64  * The primary message. Try to keep it to one line; follow the backend's
65  * style guideline for primary messages.
66  */
67  PG_LOG_PRIMARY,
68 
69  /*
70  * Additional detail. Follow the backend's style guideline for detail
71  * messages.
72  */
73  PG_LOG_DETAIL,
74 
75  /*
76  * Hint (not guaranteed correct) about how to fix the problem. Follow the
77  * backend's style guideline for hint messages.
78  */
79  PG_LOG_HINT,
80 };

Function Documentation

◆ pg_log_generic()

void pg_log_generic ( enum pg_log_level  level,
enum pg_log_part  part,
const char *pg_restrict  fmt,
  ... 
)

◆ pg_log_generic_v()

void void pg_log_generic_v ( enum pg_log_level  level,
enum pg_log_part  part,
const char *pg_restrict  fmt,
va_list  ap 
)

◆ pg_logging_config()

void pg_logging_config ( int  new_flags)

Definition at line 163 of file logging.c.

164 {
165  log_flags = new_flags;
166 }
log_flags
static int log_flags
Definition: logging.c:24

References log_flags.

Referenced by main(), and process_file().

◆ pg_logging_increase_verbosity()

void pg_logging_increase_verbosity ( void  )

Definition at line 182 of file logging.c.

183 {
184  /*
185  * The enum values are chosen such that we have to decrease __pg_log_level
186  * in order to become more verbose.
187  */
188  if (__pg_log_level > PG_LOG_NOTSET + 1)
189  __pg_log_level--;
190 }
__pg_log_level
enum pg_log_level __pg_log_level
Definition: logging.c:21

References __pg_log_level, and PG_LOG_NOTSET.

Referenced by main().

◆ pg_logging_init()

void pg_logging_init ( const char *  argv0)

Definition at line 83 of file logging.c.

84 {
85  const char *pg_color_env = getenv("PG_COLOR");
86  bool log_color = false;
87  bool color_terminal = isatty(fileno(stderr));
88 
89 #ifdef WIN32
90 
91  /*
92  * On Windows, check if environment is VT100-compatible if using a
93  * terminal.
94  */
95  if (color_terminal)
96  color_terminal = enable_vt_processing();
97 #endif
98 
99  /* usually the default, but not on Windows */
100  setvbuf(stderr, NULL, _IONBF, 0);
101 
102  progname = get_progname(argv0);
103  __pg_log_level = PG_LOG_INFO;
104 
105  if (pg_color_env)
106  {
107  if (strcmp(pg_color_env, "always") == 0 ||
108  (strcmp(pg_color_env, "auto") == 0 && color_terminal))
109  log_color = true;
110  }
111 
112  if (log_color)
113  {
114  const char *pg_colors_env = getenv("PG_COLORS");
115 
116  if (pg_colors_env)
117  {
118  char *colors = strdup(pg_colors_env);
119 
120  if (colors)
121  {
122  for (char *token = strtok(colors, ":"); token; token = strtok(NULL, ":"))
123  {
124  char *e = strchr(token, '=');
125 
126  if (e)
127  {
128  char *name;
129  char *value;
130 
131  *e = '\0';
132  name = token;
133  value = e + 1;
134 
135  if (strcmp(name, "error") == 0)
136  sgr_error = strdup(value);
137  if (strcmp(name, "warning") == 0)
138  sgr_warning = strdup(value);
139  if (strcmp(name, "note") == 0)
140  sgr_note = strdup(value);
141  if (strcmp(name, "locus") == 0)
142  sgr_locus = strdup(value);
143  }
144  }
145 
146  free(colors);
147  }
148  }
149  else
150  {
151  sgr_error = SGR_ERROR_DEFAULT;
152  sgr_warning = SGR_WARNING_DEFAULT;
153  sgr_note = SGR_NOTE_DEFAULT;
154  sgr_locus = SGR_LOCUS_DEFAULT;
155  }
156  }
157 }
free
#define free(a)
Definition: header.h:65
token
#define token
Definition: indent_globs.h:126
value
static struct @148 value
SGR_WARNING_DEFAULT
#define SGR_WARNING_DEFAULT
Definition: logging.c:35
SGR_NOTE_DEFAULT
#define SGR_NOTE_DEFAULT
Definition: logging.c:36
sgr_note
static const char * sgr_note
Definition: logging.c:31
sgr_error
static const char * sgr_error
Definition: logging.c:29
SGR_LOCUS_DEFAULT
#define SGR_LOCUS_DEFAULT
Definition: logging.c:37
SGR_ERROR_DEFAULT
#define SGR_ERROR_DEFAULT
Definition: logging.c:34
sgr_warning
static const char * sgr_warning
Definition: logging.c:30
sgr_locus
static const char * sgr_locus
Definition: logging.c:32
progname
static const char * progname
Definition: logging.c:23
argv0
static char * argv0
Definition: pg_ctl.c:92
get_progname
const char * get_progname(const char *argv0)
Definition: path.c:574
e
e
Definition: preproc-init.c:82
name
const char * name
Definition: wait_event_funcs.c:28

References __pg_log_level, argv0, free, get_progname(), name, PG_LOG_INFO, progname, sgr_error, SGR_ERROR_DEFAULT, sgr_locus, SGR_LOCUS_DEFAULT, sgr_note, SGR_NOTE_DEFAULT, sgr_warning, SGR_WARNING_DEFAULT, token, and value.

Referenced by get_opts(), main(), and regression_main().

◆ pg_logging_set_level()

void pg_logging_set_level ( enum pg_log_level  new_level)

Definition at line 173 of file logging.c.

174 {
175  __pg_log_level = new_level;
176 }

References __pg_log_level.

Referenced by main().

◆ pg_logging_set_locus_callback()

void pg_logging_set_locus_callback ( void(*)(const char **filename, uint64 *lineno)  cb)

Definition at line 199 of file logging.c.

200 {
201  log_locus_callback = cb;
202 }
log_locus_callback
static void(* log_locus_callback)(const char **, uint64 *)
Definition: logging.c:27

References log_locus_callback.

Referenced by main().

◆ pg_logging_set_pre_callback()

void pg_logging_set_pre_callback ( void(*)(void)  cb)

Definition at line 193 of file logging.c.

194 {
195  log_pre_callback = cb;
196 }
log_pre_callback
static void(* log_pre_callback)(void)
Definition: logging.c:26

References log_pre_callback.

Referenced by main().

Variable Documentation

◆ __pg_log_level

enum pg_log_level __pg_log_level
extern

Definition at line 1 of file logging.c.

Referenced by executeMetaCommand(), pg_log_generic_v(), pg_logging_increase_verbosity(), pg_logging_init(), and pg_logging_set_level().