#include "gnunet_strings_lib.h"
#include "gnunet_time_lib.h"
+#include <regex.h>
+
/**
* After how many milliseconds do we always print
* that "message X was repeated N times"? Use 12h.
struct LogDef
{
/**
- * Component name. NULL means that this definition matches any component
- */
- char *component;
-
- /**
- * File name. NULL means that this definition matches any file
+ * Component name regex
*/
- char *file;
+ regex_t component_regex;
/**
- * Stores strlen(file)
+ * File name regex
*/
- int strlen_file;
+ regex_t file_regex;
/**
- * Function name. NULL means that this definition matches any function
+ * Function name regex
*/
- char *function;
+ regex_t function_regex;
/**
* Lowest line at which this definition matches.
return GNUNET_ERROR_TYPE_NONE;
return GNUNET_ERROR_TYPE_INVALID;
}
+
#if !defined(GNUNET_CULL_LOGGING)
/**
* Utility function - reallocates logdefs array to be twice as large.
static void
resize_logdefs ()
{
- logdefs_size = (logdefs_size + 1) * 2;
- logdefs = GNUNET_realloc (logdefs, logdefs_size * sizeof (struct LogDef));
+ logdefs_size = (logdefs_size + 1) * 2;
+ logdefs = GNUNET_realloc (logdefs, logdefs_size * sizeof (struct LogDef));
}
+
+/**
+ * Abort the process, generate a core dump if possible.
+ */
+void
+GNUNET_abort ()
+{
+#if WINDOWS
+ DebugBreak ();
+#endif
+ abort ();
+}
+
+
/**
* Utility function - adds a parsed definition to logdefs array.
*
* @param to_line see struct LogDef
* @param level see struct LogDef, must be >= 0
* @param force see struct LogDef
+ * @return 0 on success, regex-specific error otherwise
*/
-static void
-add_definition (char *component, char *file, char *function, int from_line, int to_line, int level, int force)
+static int
+add_definition (char *component, char *file, char *function, int from_line,
+ int to_line, int level, int force)
{
+ struct LogDef n;
+ int r;
+
if (logdefs_size == logdefs_len)
resize_logdefs ();
- struct LogDef n;
memset (&n, 0, sizeof (n));
- if (strlen (component) > 0 && component[0] != '*')
- n.component = strdup (component);
- if (strlen (file) > 0 && file[0] != '*')
+ if (strlen (component) == 0)
+ component = (char *) ".*";
+ r = regcomp (&n.component_regex, (const char *) component, REG_NOSUB);
+ if (r != 0)
{
- n.file = strdup (file);
- n.strlen_file = strlen (file);
+ return r;
+ }
+ if (strlen (file) == 0)
+ file = (char *) ".*";
+ r = regcomp (&n.file_regex, (const char *) file, REG_NOSUB);
+ if (r != 0)
+ {
+ regfree (&n.component_regex);
+ return r;
+ }
+ if ((NULL == function) || (strlen (function) == 0))
+ function = (char *) ".*";
+ r = regcomp (&n.function_regex, (const char *) function, REG_NOSUB);
+ if (r != 0)
+ {
+ regfree (&n.component_regex);
+ regfree (&n.file_regex);
+ return r;
}
- if (strlen (function) > 0 && function[0] != '*')
- n.function = strdup (function);
n.from_line = from_line;
n.to_line = to_line;
n.level = level;
n.force = force;
logdefs[logdefs_len++] = n;
+ return 0;
}
* @param line line at which the call is made, usually __LINE__
* @return 0 to disallow the call, 1 to allow it
*/
-int
-GNUNET_get_log_call_status (int caller_level, const char *comp, const char *file, const char *function, int line)
+int
+GNUNET_get_log_call_status (int caller_level, const char *comp,
+ const char *file, const char *function, int line)
{
struct LogDef *ld;
int i;
int force_only;
- size_t strlen_file;
- int matches = 0;
if (comp == NULL)
/* Use default component */
/* Only look for forced definitions? */
force_only = min_level >= 0;
- strlen_file = strlen (file);
for (i = 0; i < logdefs_len; i++)
{
ld = &logdefs[i];
if ((!force_only || ld->force) &&
(line >= ld->from_line && line <= ld->to_line) &&
- (ld->component == NULL || strcmp (comp, ld->component) == 0) &&
- (ld->file == NULL ||
- (ld->strlen_file <= strlen_file &&
- strcmp (&file[strlen_file - ld->strlen_file], ld->file) == 0)) &&
- (ld->function == NULL || strcmp (function, ld->function) == 0)
- )
+ (regexec (&ld->component_regex, comp, 0, NULL, 0) == 0) &&
+ (regexec (&ld->file_regex, file, 0, NULL, 0) == 0) &&
+ (regexec (&ld->function_regex, function, 0, NULL, 0) == 0))
{
- /* This definition matched! */
- matches += 1;
- /* And if it allows the call to be made, then we're finished */
- if (caller_level <= ld->level)
- return 1;
+ /* We're finished */
+ return caller_level <= ld->level;
}
}
- /* If some definitions did match, but had too low loglevel to allow logging,
- * don't check any further.
- */
- if (matches > 0)
- return 0;
- /* Otherwise use global level, if defined */
+ /* No matches - use global level, if defined */
if (min_level >= 0)
return caller_level <= min_level;
/* All programs/services previously defaulted to WARNING.
*
* @param constname name of the environment variable from which to get the
* string to be parsed
- * @param force 1 if definitions found in @constname are to be forced
+ * @param force 1 if definitions found in constname are to be forced
* @return number of added definitions
*/
static int
int from_line, to_line;
int counter = 0;
int keep_looking = 1;
+
tmp = getenv (constname);
if (tmp == NULL)
return 0;
- def = strdup (tmp);
+ def = GNUNET_strdup (tmp);
level = -1;
from_line = 0;
to_line = INT_MAX;
{
switch (p[0])
{
- case ';': /* found a field separator */
+ case ';': /* found a field separator */
p[0] = '\0';
switch (state)
{
- case 0: /* within a component name */
+ case 0: /* within a component name */
comp = start;
break;
- case 1: /* within a file name */
+ case 1: /* within a file name */
file = start;
break;
- case 2: /* within a function name */
+ case 2: /* within a function name */
/* after a file name there must be a function name */
function = start;
break;
- case 3: /* within a from-to line range */
+ case 3: /* within a from-to line range */
if (strlen (start) > 0)
{
errno = 0;
return counter;
}
}
- else /* one number means "match this line only" */
+ else /* one number means "match this line only" */
to_line = from_line;
}
- else /* default to 0-max */
+ else /* default to 0-max */
{
from_line = 0;
to_line = INT_MAX;
start = p + 1;
state += 1;
break;
- case '\0': /* found EOL */
+ case '\0': /* found EOL */
keep_looking = 0;
/* fall through to '/' */
- case '/': /* found a definition separator */
+ case '/': /* found a definition separator */
switch (state)
{
- case 4: /* within a log level */
+ case 4: /* within a log level */
p[0] = '\0';
state = 0;
level = get_type ((const char *) start);
- if (level == GNUNET_ERROR_TYPE_INVALID || level == GNUNET_ERROR_TYPE_UNSPECIFIED)
+ if (level == GNUNET_ERROR_TYPE_INVALID ||
+ level == GNUNET_ERROR_TYPE_UNSPECIFIED ||
+ 0 != add_definition (comp, file, function, from_line, to_line,
+ level, force))
{
free (def);
return counter;
}
- add_definition (comp, file, function, from_line, to_line, level, force);
counter += 1;
start = p + 1;
break;
parse_definitions ("GNUNET_LOG", 0);
gnunet_log_parsed = GNUNET_YES;
if (gnunet_force_log_parsed == GNUNET_NO)
- gnunet_force_log_present = parse_definitions ("GNUNET_FORCE_LOG", 1) > 0 ? GNUNET_YES : GNUNET_NO;
+ gnunet_force_log_present =
+ parse_definitions ("GNUNET_FORCE_LOG", 1) > 0 ? GNUNET_YES : GNUNET_NO;
gnunet_force_log_parsed = GNUNET_YES;
}
#endif
int dirwarn;
char *fn;
const char *env_logfile = NULL;
+ int altlog_fd;
min_level = get_type (loglevel);
#if !defined(GNUNET_CULL_LOGGING)
GNUNET_free_non_null (component);
GNUNET_asprintf (&component, "%s-%d", comp, getpid ());
GNUNET_free_non_null (component_nopid);
- component_nopid = strdup (comp);
+ component_nopid = GNUNET_strdup (comp);
env_logfile = getenv ("GNUNET_FORCE_LOGFILE");
- if (env_logfile != NULL)
+ if ((env_logfile != NULL) && (strlen (env_logfile) > 0))
logfile = env_logfile;
if (logfile == NULL)
if (NULL == fn)
return GNUNET_SYSERR;
dirwarn = (GNUNET_OK != GNUNET_DISK_directory_create_for_file (fn));
- altlog = FOPEN (fn, "a");
- if (altlog == NULL)
+ altlog_fd = OPEN (fn, O_APPEND |
+#if WINDOWS
+ O_BINARY |
+#endif
+ O_WRONLY | O_CREAT,
+#if WINDOWS
+ _S_IREAD | _S_IWRITE
+#else
+ S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH
+#endif
+ );
+ if (altlog_fd != -1)
+ {
+ int dup_return;
+ if (GNUNET_stderr != NULL)
+ fclose (GNUNET_stderr);
+ dup_return = dup2 (altlog_fd, 2);
+ close (altlog_fd);
+ if (dup_return != -1)
+ {
+ altlog = fdopen (2, "ab");
+ if (altlog == NULL)
+ {
+ close (2);
+ altlog_fd = -1;
+ }
+ }
+ else
+ {
+ altlog_fd = -1;
+ }
+ }
+ if (altlog_fd == -1)
{
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, "fopen", fn);
if (dirwarn)
return GNUNET_SYSERR;
}
GNUNET_free (fn);
- if (GNUNET_stderr != NULL)
- fclose (GNUNET_stderr);
GNUNET_stderr = altlog;
return GNUNET_OK;
}
struct timeval timeofday;
struct tm *tmptr;
size_t size;
- char *buf;
va_list vacp;
va_copy (vacp, va);
size = VSNPRINTF (NULL, 0, message, vacp) + 1;
+ GNUNET_assert (0 != size);
va_end (vacp);
- buf = malloc (size);
- if (buf == NULL)
- return; /* oops */
- VSNPRINTF (buf, size, message, va);
- time (&timetmp);
- memset (date, 0, DATE_STR_SIZE);
- tmptr = localtime (&timetmp);
- gettimeofday (&timeofday, NULL);
- if (NULL != tmptr)
{
+ char buf[size];
+
+ VSNPRINTF (buf, size, message, va);
+ time (&timetmp);
+ memset (date, 0, DATE_STR_SIZE);
+ tmptr = localtime (&timetmp);
+ gettimeofday (&timeofday, NULL);
+ if (NULL != tmptr)
+ {
#ifdef WINDOWS
- LARGE_INTEGER pc;
-
- pc.QuadPart = 0;
- QueryPerformanceCounter (&pc);
- strftime (date2, DATE_STR_SIZE, "%b %d %H:%M:%S-%%020llu", tmptr);
- snprintf (date, sizeof (date), date2,
- (long long) (pc.QuadPart /
- (performance_frequency.QuadPart / 1000)));
+ LARGE_INTEGER pc;
+
+ pc.QuadPart = 0;
+ QueryPerformanceCounter (&pc);
+ strftime (date2, DATE_STR_SIZE, "%b %d %H:%M:%S-%%020llu", tmptr);
+ snprintf (date, sizeof (date), date2,
+ (long long) (pc.QuadPart /
+ (performance_frequency.QuadPart / 1000)));
#else
- strftime (date2, DATE_STR_SIZE, "%b %d %H:%M:%S-%%06u", tmptr);
- snprintf (date, sizeof (date), date2, timeofday.tv_usec);
+ strftime (date2, DATE_STR_SIZE, "%b %d %H:%M:%S-%%06u", tmptr);
+ snprintf (date, sizeof (date), date2, timeofday.tv_usec);
#endif
+ }
+ else
+ strcpy (date, "localtime error");
+ if ((0 != (kind & GNUNET_ERROR_TYPE_BULK)) &&
+ (last_bulk_time.abs_value != 0) &&
+ (0 == strncmp (buf, last_bulk, sizeof (last_bulk))))
+ {
+ last_bulk_repeat++;
+ if ((GNUNET_TIME_absolute_get_duration (last_bulk_time).rel_value >
+ BULK_DELAY_THRESHOLD) || (last_bulk_repeat > BULK_REPEAT_THRESHOLD))
+ flush_bulk (date);
+ return;
+ }
+ flush_bulk (date);
+ strncpy (last_bulk, buf, sizeof (last_bulk));
+ last_bulk_repeat = 0;
+ last_bulk_kind = kind;
+ last_bulk_time = GNUNET_TIME_absolute_get ();
+ strncpy (last_bulk_comp, comp, COMP_TRACK_SIZE);
+ output_message (kind, comp, date, buf);
}
- else
- strcpy (date, "localtime error");
- if ((0 != (kind & GNUNET_ERROR_TYPE_BULK)) && (last_bulk_time.abs_value != 0)
- && (0 == strncmp (buf, last_bulk, sizeof (last_bulk))))
- {
- last_bulk_repeat++;
- if ((GNUNET_TIME_absolute_get_duration (last_bulk_time).rel_value >
- BULK_DELAY_THRESHOLD) || (last_bulk_repeat > BULK_REPEAT_THRESHOLD))
- flush_bulk (date);
- free (buf);
- return;
- }
- flush_bulk (date);
- strncpy (last_bulk, buf, sizeof (last_bulk));
- last_bulk_repeat = 0;
- last_bulk_kind = kind;
- last_bulk_time = GNUNET_TIME_absolute_get ();
- strncpy (last_bulk_comp, comp, COMP_TRACK_SIZE);
- output_message (kind, comp, date, buf);
- free (buf);
}
*/
void
GNUNET_log_from_nocheck (enum GNUNET_ErrorType kind, const char *comp,
- const char *message, ...)
+ const char *message, ...)
{
va_list va;
char comp_w_pid[128];