#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.
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
+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 = GNUNET_strdup (component);
- if (strlen (file) > 0 && file[0] != '*')
- {
- n.file = GNUNET_strdup (file);
- n.strlen_file = strlen (file);
- }
- if ((NULL != function) && (strlen (function) > 0) && (function[0] != '*'))
- n.function = GNUNET_strdup (function);
+ if (strlen (component) == 0)
+ component = (char *) ".*";
+ r = regcomp (&n.component_regex, (const char *) component, REG_NOSUB);
+ if (r != 0)
+ {
+ 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;
+ }
n.from_line = from_line;
n.to_line = to_line;
n.level = level;
n.force = force;
logdefs[logdefs_len++] = n;
+ return 0;
}
struct LogDef *ld;
int i;
int force_only;
- size_t strlen_file;
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))
- {
- /* We're finished */
- return caller_level <= ld->level;
- }
+ ld = &logdefs[i];
+ if ((!force_only || ld->force) &&
+ (line >= ld->from_line && line <= ld->to_line) &&
+ (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))
+ {
+ /* We're finished */
+ return caller_level <= ld->level;
+ }
}
/* No matches - use global level, if defined */
if (min_level >= 0)
to_line = INT_MAX;
for (p = def, state = 0, start = def; keep_looking; p++)
{
- switch (p[0])
- {
- case ';': /* found a field separator */
- p[0] = '\0';
- switch (state)
- {
- case 0: /* within a component name */
- comp = start;
- break;
- case 1: /* within a file name */
- file = start;
- break;
- 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 */
- if (strlen (start) > 0)
- {
- errno = 0;
- from_line = strtol (start, &t, 10);
- if (errno != 0 || from_line < 0)
- {
- free (def);
- return counter;
- }
- if (t < p && t[0] == '-')
- {
- errno = 0;
- start = t + 1;
- to_line = strtol (start, &t, 10);
- if (errno != 0 || to_line < 0 || t != p)
- {
- free (def);
- return counter;
- }
- }
- else /* one number means "match this line only" */
- to_line = from_line;
- }
- else /* default to 0-max */
- {
- from_line = 0;
- to_line = INT_MAX;
- }
- break;
- }
- start = p + 1;
- state += 1;
- break;
- case '\0': /* found EOL */
- keep_looking = 0;
- /* fall through to '/' */
- case '/': /* found a definition separator */
- switch (state)
- {
- 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)
- {
- free (def);
- return counter;
- }
- add_definition (comp, file, function, from_line, to_line, level, force);
- counter += 1;
- start = p + 1;
- break;
- default:
- break;
- }
- default:
- break;
- }
+ switch (p[0])
+ {
+ case ';': /* found a field separator */
+ p[0] = '\0';
+ switch (state)
+ {
+ case 0: /* within a component name */
+ comp = start;
+ break;
+ case 1: /* within a file name */
+ file = start;
+ break;
+ 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 */
+ if (strlen (start) > 0)
+ {
+ errno = 0;
+ from_line = strtol (start, &t, 10);
+ if (errno != 0 || from_line < 0)
+ {
+ free (def);
+ return counter;
+ }
+ if (t < p && t[0] == '-')
+ {
+ errno = 0;
+ start = t + 1;
+ to_line = strtol (start, &t, 10);
+ if (errno != 0 || to_line < 0 || t != p)
+ {
+ free (def);
+ return counter;
+ }
+ }
+ else /* one number means "match this line only" */
+ to_line = from_line;
+ }
+ else /* default to 0-max */
+ {
+ from_line = 0;
+ to_line = INT_MAX;
+ }
+ break;
+ }
+ start = p + 1;
+ state += 1;
+ break;
+ case '\0': /* found EOL */
+ keep_looking = 0;
+ /* fall through to '/' */
+ case '/': /* found a definition separator */
+ switch (state)
+ {
+ 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
+ || 0 != add_definition (comp, file, function, from_line,
+ to_line, level, force))
+ {
+ free (def);
+ return counter;
+ }
+ counter += 1;
+ start = p + 1;
+ break;
+ default:
+ break;
+ }
+ default:
+ break;
+ }
}
free (def);
return counter;
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)