* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*
- * $Id: log.h,v 1.15 2004-11-02 12:55:04 heikki Exp $
+ * $Id: log.h,v 1.16 2004-11-03 14:25:06 heikki Exp $
*/
/**
#define LOG_DEFAULT_LEVEL (LOG_FATAL | LOG_ERRNO | LOG_LOG | LOG_WARN)
+#define LOG_LAST_BIT LOG_FLUSH /* the last bit used for regular log bits */
+ /* the rest are for dynamic modules */
+
#define logf yaz_log
+/**
+ * yaz_log_init is a shorthand for initializing the log level and prefixes */
YAZ_EXPORT void yaz_log_init(int level, const char *prefix, const char *name);
+
+/** yaz_log_init_file sets the file name used for yaz_log */
YAZ_EXPORT void yaz_log_init_file (const char *fname);
+
+/** yaz_log_init_level sets the logging level. Use an OR of the bits above */
YAZ_EXPORT void yaz_log_init_level (int level);
+
+/** yaz_log_init_prefix sets the log prefix */
YAZ_EXPORT void yaz_log_init_prefix (const char *prefix);
+
+/** yaz_log_init_prefix2 sets an optional second prefix */
YAZ_EXPORT void yaz_log_init_prefix2 (const char *prefix);
+
/**
* yaz_log_time_format sets the format of the timestamp. See man 3 strftime
* Calling with "old" sets to the old format "11:55:06-02/11"
* Calling with NULL or "" sets to the new format "20041102-115719"
* If not called at all, the old format is used, for backward compatibility
- *
- * */
+ */
YAZ_EXPORT void yaz_log_time_format(const char *fmt);
+/**
+ * yaz_log_init_max_size sets the max size for a log file.
+ * zero means no limit. Negative means built-in limit (1GB)
+ */
+YAZ_EXPORT void yaz_log_init_max_size(int mx);
+
+/**
+ * yaz_log writes an entry in the log. Defaults to stderr if not initialized
+ * to a file with yaz_log_init_file. The level must match the level set via
+ * yaz_log_init_level, optionally defined via yaz_log_mask_str. */
YAZ_EXPORT void yaz_log(int level, const char *fmt, ...)
#ifdef __GNUC__
__attribute__ ((format (printf, 2, 3)))
#endif
;
+
+/**
+ * yaz_log_mask_str converts a comma-separated list of log levels to a bit
+ * mask. Starts from default level, and adds bits as specified, unless 'none'
+ * is specified, which clears the list. If a name matches the name of a
+ * LOG_BIT above, that one is set. Otherwise a new value is picked, and given
+ * to that name, to be found with yaz_log_module_level */
YAZ_EXPORT int yaz_log_mask_str (const char *str);
+
+/** yaz_log_mask_str_x is like yaz_log_mask_str, but with a given start value*/
YAZ_EXPORT int yaz_log_mask_str_x (const char *str, int level);
+
+/**
+ * yaz_log_module_level returns a log level mask corresponding to the module
+ * name. If that had been specified on the -v arguments (that is, passed to
+ * yaz_log_mask_str), then a non-zero mask is returned. If not, we get a
+ * zero. This can later be used in yaz_log for the level argument
+ */
+YAZ_EXPORT int yaz_log_module_level(const char *name);
+
+/** yaz_log_file returns the file handle for yaz_log. */
YAZ_EXPORT FILE *yaz_log_file(void);
YAZ_EXPORT void log_event_start (void (*func)(int level, const char *msg, void *info),
* Copyright (c) 1995-2004, Index Data
* See the file LICENSE for details.
*
- * $Id: log.c,v 1.8 2004-11-02 15:47:31 heikki Exp $
+ * $Id: log.c,v 1.9 2004-11-03 14:25:06 heikki Exp $
*/
/**
#include <yaz/nmem.h>
static NMEM_MUTEX log_mutex=0;
-static mutex_init_flag=0; /* not yet initialized */
+static int mutex_init_flag=0; /* not yet initialized */
#define HAS_STRERROR 1
static char *l_actual_format=l_old_default_format;
/** l_max_size tells when to rotate the log. Default to 1 GB */
-/*static int l_max_size=1024*1024*1024;*/
-static int l_max_size=1024; /* while testing */
+static const int l_def_max_size=1024*1024*1024;
+static int l_max_size=1024*1024*1024;
+#define MAX_MASK_NAMES 35 /* 32 bits plus a few combo names */
static struct {
int mask;
char *name;
-} mask_names[] =
+} mask_names[MAX_MASK_NAMES] =
{
- { LOG_FATAL, "fatal"},
- { LOG_DEBUG, "debug"},
- { LOG_WARN, "warn" },
- { LOG_LOG, "log" },
- { LOG_ERRNO, ""},
+ { LOG_FATAL, "fatal"},
+ { LOG_DEBUG, "debug"},
+ { LOG_WARN, "warn" },
+ { LOG_LOG, "log" },
+ { LOG_ERRNO, ""},
{ LOG_MALLOC, "malloc"},
- { LOG_APP, "app" },
+ { LOG_APP, "app" },
{ LOG_NOTIME, "" },
- { LOG_APP2 , "app2" },
- { LOG_APP3 , "app3" },
- { LOG_ALL, "all" },
- { LOG_FLUSH, "flush" },
- { 0, "none" },
+ { LOG_APP2, "app2" },
+ { LOG_APP3, "app3" },
+ { LOG_ALL, "all" },
+ { LOG_FLUSH, "flush" },
+ { 0, "none" },
{ 0, NULL }
+ /* the rest will be filled in if the user defines dynamic modules*/
};
+static unsigned int next_log_bit=LOG_LAST_BIT<<1; /* first dynamic bit */
static void init_mutex()
{
yaz_log_init_file (fname);
}
+void yaz_log_init_max_size(int mx)
+{
+ if (mx <0)
+ l_max_size=l_def_max_size;
+ else
+ l_max_size=mx;
+}
+
static void (*start_hook_func)(int, const char *, void *) = NULL;
static void *start_hook_info;
static void (*end_hook_func)(int, const char *, void *) = NULL;
if (!l_file)
l_file = stderr;
- if (l_file != stderr)
+ if ((l_file != stderr) && (l_max_size>0))
{
nmem_mutex_enter (log_mutex);
flen=ftell(l_file);
*flags = '\0';
for (i = 0; level && mask_names[i].name; i++)
- if (mask_names[i].mask & level)
+ if ( mask_names[i].mask & level)
{
- if (*mask_names[i].name)
+ if (*mask_names[i].name && mask_names[i].mask &&
+ mask_names[i].mask != LOG_ALL)
sprintf(flags + strlen(flags), "[%s]", mask_names[i].name);
level -= mask_names[i].mask;
}
l_actual_format = l_custom_format;
}
+/** cleans a loglevel name from leading paths and suffixes */
+static char *clean_name(const char *name, int len, char *namebuf, int buflen)
+{
+ char *p;
+ char *start;
+ if (buflen <len)
+ len=buflen;
+ strncpy(namebuf, name, len);
+ namebuf[len]='\0';
+ start=p=namebuf;
+ while ((p=index(start,'/')))
+ start=p+1;
+ if ((p=rindex(start,'.')))
+ *p='\0';
+ return start;
+
+}
+
+static int define_module_bit(const char *name)
+{
+ int i;
+ for (i=0;mask_names[i].name;i++)
+ ;
+ if ( (i>=MAX_MASK_NAMES) || (next_log_bit >= 1<<31 ))
+ {
+ yaz_log(LOG_WARN,"No more log bits left, not logging '%s'", name);
+ return 0;
+ }
+ mask_names[i].mask= next_log_bit;
+ next_log_bit= next_log_bit<<1;
+ mask_names[i].name=xstrdup(name);
+ mask_names[i+1].name=NULL;
+ mask_names[i+1].mask=0;
+ return mask_names[i].mask;
+}
+
+int yaz_log_module_level(const char *name)
+{
+ int i;
+ char clean[255];
+ char *n=clean_name(name, strlen(name), clean, sizeof(clean));
+ for (i=0;mask_names[i].name;i++)
+ if (0==strcmp(n,mask_names[i].name))
+ return mask_names[i].mask;
+ return 0;
+}
+
int yaz_log_mask_str (const char *str)
{
return yaz_log_mask_str_x (str, LOG_DEFAULT_LEVEL);
{
const char *p;
int i;
+ int found;
+ char clean[255];
+ char *n;
while (*str)
{
+ found=0;
for (p = str; *p && *p != ','; p++)
;
if (*str == '-' || isdigit(*str))
+ {
level = atoi (str);
+ found=1;
+ }
else
+ n=clean_name(str, p-str, clean, sizeof(clean));
for (i = 0; mask_names[i].name; i++)
- if (strlen (mask_names[i].name) == (size_t) (p-str) &&
- memcmp (mask_names[i].name, str, p-str) == 0)
+ /*if (strlen (mask_names[i].name) == (size_t) (p-str) &&
+ memcmp (mask_names[i].name, str, p-str) == 0)*/
+ if (0==strcmp (mask_names[i].name,n))
{
if (mask_names[i].mask)
level |= mask_names[i].mask;
else
level = 0;
+ found=1;
}
+ if (!found)
+ level |= define_module_bit(n);
if (*p == ',')
p++;
str = p;