PostgreSQL Source Code git master
Macros | Functions | Variables
logging.c File Reference
#include "postgres_fe.h"
#include <unistd.h>
#include "common/logging.h"
Include dependency graph for logging.c:

Go to the source code of this file.

Macros

#define  SGR_ERROR_DEFAULT   "01;31"
 
#define  SGR_WARNING_DEFAULT   "01;35"
 
#define  SGR_NOTE_DEFAULT   "01;36"
 
#define  SGR_LOCUS_DEFAULT   "01"
 
#define  ANSI_ESCAPE_FMT   "\x1b[%sm"
 
#define  ANSI_ESCAPE_RESET   "\x1b[0m"
 

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

Variables

enum pg_log_level  __pg_log_level
 
static const char *  progname
 
static int  log_flags
 
static void(*  log_pre_callback )(void)
 
static void(*  log_locus_callback )(const char **, uint64 *)
 
static const char *  sgr_error = NULL
 
static const char *  sgr_warning = NULL
 
static const char *  sgr_note = NULL
 
static const char *  sgr_locus = NULL
 

Macro Definition Documentation

◆ ANSI_ESCAPE_FMT

#define ANSI_ESCAPE_FMT   "\x1b[%sm"

Definition at line 39 of file logging.c.

◆ ANSI_ESCAPE_RESET

#define ANSI_ESCAPE_RESET   "\x1b[0m"

Definition at line 40 of file logging.c.

◆ SGR_ERROR_DEFAULT

#define SGR_ERROR_DEFAULT   "01;31"

Definition at line 34 of file logging.c.

◆ SGR_LOCUS_DEFAULT

#define SGR_LOCUS_DEFAULT   "01"

Definition at line 37 of file logging.c.

◆ SGR_NOTE_DEFAULT

#define SGR_NOTE_DEFAULT   "01;36"

Definition at line 36 of file logging.c.

◆ SGR_WARNING_DEFAULT

#define SGR_WARNING_DEFAULT   "01;35"

Definition at line 35 of file logging.c.

Function Documentation

◆ pg_log_generic()

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

Definition at line 208 of file logging.c.

210{
211 va_list ap;
212
213 va_start(ap, fmt);
214 pg_log_generic_v(level, part, fmt, ap);
215 va_end(ap);
216}
void pg_log_generic_v(enum pg_log_level level, enum pg_log_part part, const char *pg_restrict fmt, va_list ap)
Definition: logging.c:219

References pg_log_generic_v().

Referenced by get_dirent_type().

◆ pg_log_generic_v()

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

Definition at line 219 of file logging.c.

221{
222 int save_errno = errno;
223 const char *filename = NULL;
224 uint64 lineno = 0;
225 va_list ap2;
226 size_t required_len;
227 char *buf;
228
230 Assert(level);
231 Assert(fmt);
232 Assert(fmt[strlen(fmt) - 1] != '\n');
233
234 /* Do nothing if log level is too low. */
235 if (level < __pg_log_level)
236 return;
237
238 /*
239 * Flush stdout before output to stderr, to ensure sync even when stdout
240 * is buffered.
241 */
242 fflush(stdout);
243
246
248 log_locus_callback(&filename, &lineno);
249
250 fmt = _(fmt);
251
253 {
254 if (sgr_locus)
257 fprintf(stderr, "%s:", progname);
258 if (filename)
259 {
260 fprintf(stderr, "%s:", filename);
261 if (lineno > 0)
262 fprintf(stderr, UINT64_FORMAT ":", lineno);
263 }
264 fprintf(stderr, " ");
265 if (sgr_locus)
266 fprintf(stderr, ANSI_ESCAPE_RESET);
267 }
268
270 {
271 switch (part)
272 {
273 case PG_LOG_PRIMARY:
274 switch (level)
275 {
276 case PG_LOG_ERROR:
277 if (sgr_error)
279 fprintf(stderr, _("error: "));
280 if (sgr_error)
281 fprintf(stderr, ANSI_ESCAPE_RESET);
282 break;
283 case PG_LOG_WARNING:
284 if (sgr_warning)
286 fprintf(stderr, _("warning: "));
287 if (sgr_warning)
288 fprintf(stderr, ANSI_ESCAPE_RESET);
289 break;
290 default:
291 break;
292 }
293 break;
294 case PG_LOG_DETAIL:
295 if (sgr_note)
297 fprintf(stderr, _("detail: "));
298 if (sgr_note)
299 fprintf(stderr, ANSI_ESCAPE_RESET);
300 break;
301 case PG_LOG_HINT:
302 if (sgr_note)
304 fprintf(stderr, _("hint: "));
305 if (sgr_note)
306 fprintf(stderr, ANSI_ESCAPE_RESET);
307 break;
308 }
309 }
310
311 errno = save_errno;
312
313 va_copy(ap2, ap);
314 required_len = vsnprintf(NULL, 0, fmt, ap2) + 1;
315 va_end(ap2);
316
318
319 errno = save_errno; /* malloc might change errno */
320
321 if (!buf)
322 {
323 /* memory trouble, just print what we can and get out of here */
324 vfprintf(stderr, fmt, ap);
325 return;
326 }
327
328 vsnprintf(buf, required_len, fmt, ap);
329
330 /* strip one newline, for PQerrorMessage() */
331 if (required_len >= 2 && buf[required_len - 2] == '\n')
332 buf[required_len - 2] = '0円';
333
334 fprintf(stderr, "%s\n", buf);
335
336 free(buf);
337}
#define UINT64_FORMAT
Definition: c.h:557
uint64_t uint64
Definition: c.h:539
#define fprintf(file, fmt, msg)
Definition: cubescan.l:21
_
#define _(x)
Definition: elog.c:91
void * pg_malloc_extended(size_t size, int flags)
Definition: fe_memutils.c:59
#define MCXT_ALLOC_NO_OOM
Definition: fe_memutils.h:29
Assert(PointerIsAligned(start, uint64))
#define free(a)
Definition: header.h:65
static int log_flags
Definition: logging.c:24
static const char * sgr_note
Definition: logging.c:31
static const char * sgr_error
Definition: logging.c:29
static const char * sgr_warning
Definition: logging.c:30
static void(* log_pre_callback)(void)
Definition: logging.c:26
static void(* log_locus_callback)(const char **, uint64 *)
Definition: logging.c:27
static const char * sgr_locus
Definition: logging.c:32
static const char * progname
Definition: logging.c:23
enum pg_log_level __pg_log_level
Definition: logging.c:21
#define ANSI_ESCAPE_RESET
Definition: logging.c:40
#define ANSI_ESCAPE_FMT
Definition: logging.c:39
#define PG_LOG_FLAG_TERSE
Definition: logging.h:86
@ PG_LOG_PRIMARY
Definition: logging.h:67
@ PG_LOG_HINT
Definition: logging.h:79
@ PG_LOG_DETAIL
Definition: logging.h:73
@ PG_LOG_WARNING
Definition: logging.h:38
@ PG_LOG_ERROR
Definition: logging.h:43
stdout
static char * filename
Definition: pg_dumpall.c:120
static char * buf
Definition: pg_test_fsync.c:72
#define vsnprintf
Definition: port.h:238
#define vfprintf
Definition: port.h:242

References _, __pg_log_level, ANSI_ESCAPE_FMT, ANSI_ESCAPE_RESET, Assert(), buf, filename, fprintf, free, log_flags, log_locus_callback, log_pre_callback, MCXT_ALLOC_NO_OOM, PG_LOG_DETAIL, PG_LOG_ERROR, PG_LOG_FLAG_TERSE, PG_LOG_HINT, PG_LOG_PRIMARY, PG_LOG_WARNING, pg_malloc_extended(), progname, sgr_error, sgr_locus, sgr_note, sgr_warning, generate_unaccent_rules::stdout, UINT64_FORMAT, vfprintf, and vsnprintf.

Referenced by pg_log_generic(), report_backup_error(), report_fatal_error(), report_manifest_error(), walsummary_error_callback(), and warn_or_exit_horribly().

◆ pg_logging_config()

void pg_logging_config ( int  new_flags )

Definition at line 166 of file logging.c.

167{
168 log_flags = new_flags;
169}

References log_flags.

Referenced by main(), and process_file().

◆ pg_logging_increase_verbosity()

void pg_logging_increase_verbosity ( void  )

Definition at line 185 of file logging.c.

186{
187 /*
188 * The enum values are chosen such that we have to decrease __pg_log_level
189 * in order to become more verbose.
190 */
193}
@ PG_LOG_NOTSET
Definition: logging.h: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
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 char *token;
123 char *cp = colors;
124
125 while ((token = strsep(&cp, ":")))
126 {
127 char *e = strchr(token, '=');
128
129 if (e)
130 {
131 char *name;
132 char *value;
133
134 *e = '0円';
135 name = token;
136 value = e + 1;
137
138 if (strcmp(name, "error") == 0)
139 sgr_error = strdup(value);
140 if (strcmp(name, "warning") == 0)
141 sgr_warning = strdup(value);
142 if (strcmp(name, "note") == 0)
143 sgr_note = strdup(value);
144 if (strcmp(name, "locus") == 0)
145 sgr_locus = strdup(value);
146 }
147 }
148
149 free(colors);
150 }
151 }
152 else
153 {
158 }
159 }
160}
#define token
Definition: indent_globs.h:126
static struct @169 value
#define SGR_WARNING_DEFAULT
Definition: logging.c:35
#define SGR_NOTE_DEFAULT
Definition: logging.c:36
#define SGR_LOCUS_DEFAULT
Definition: logging.c:37
#define SGR_ERROR_DEFAULT
Definition: logging.c:34
@ PG_LOG_INFO
Definition: logging.h:33
static char * argv0
Definition: pg_ctl.c:93
char * strsep(char **stringp, const char *delim)
Definition: strsep.c:49
const char * get_progname(const char *argv0)
Definition: path.c:652
e
e
Definition: preproc-init.c:82
Definition: oauth-curl.c:192
const char * name

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, strsep(), 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 176 of file logging.c.

177{
178 __pg_log_level = new_level;
179}

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 202 of file logging.c.

203{
205}

References log_locus_callback.

Referenced by main().

◆ pg_logging_set_pre_callback()

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

Definition at line 196 of file logging.c.

197{
198 log_pre_callback = cb;
199}

References log_pre_callback.

Referenced by main().

Variable Documentation

◆ __pg_log_level

enum pg_log_level __pg_log_level

Definition at line 21 of file logging.c.

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

◆ log_flags

int log_flags
static

Definition at line 24 of file logging.c.

Referenced by pg_log_generic_v(), and pg_logging_config().

◆ log_locus_callback

void(* log_locus_callback) (const char **, uint64 *) ( const char **  ,
uint64 *   
)
static

Definition at line 27 of file logging.c.

Referenced by pg_log_generic_v(), and pg_logging_set_locus_callback().

◆ log_pre_callback

void(* log_pre_callback) (void) ( void  )
static

Definition at line 26 of file logging.c.

Referenced by pg_log_generic_v(), and pg_logging_set_pre_callback().

◆ progname

const char* progname
static

Definition at line 23 of file logging.c.

Referenced by pg_log_generic_v(), and pg_logging_init().

◆ sgr_error

const char* sgr_error = NULL
static

Definition at line 29 of file logging.c.

Referenced by pg_log_generic_v(), and pg_logging_init().

◆ sgr_locus

const char* sgr_locus = NULL
static

Definition at line 32 of file logging.c.

Referenced by pg_log_generic_v(), and pg_logging_init().

◆ sgr_note

const char* sgr_note = NULL
static

Definition at line 31 of file logging.c.

Referenced by pg_log_generic_v(), and pg_logging_init().

◆ sgr_warning

const char* sgr_warning = NULL
static

Definition at line 30 of file logging.c.

Referenced by pg_log_generic_v(), and pg_logging_init().

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