* Copyright (c) 1995-2004, Index Data
* See the file LICENSE for details.
*
- * $Id: log.c,v 1.3 2004-11-02 11:37:21 heikki Exp $
+ * $Id: log.c,v 1.10 2004-11-03 17:52:53 heikki Exp $
*/
/**
#include <windows.h>
#endif
+#if YAZ_POSIX_THREADS
+#include <pthread.h>
+#endif
+
+#if YAZ_GNU_THREADS
+#include <pth.h>
+#endif
+
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <time.h>
#include <yaz/nmem.h>
#include <yaz/log.h>
+#include <yaz/nmem.h>
+
+static NMEM_MUTEX log_mutex=0;
+static int mutex_init_flag=0; /* not yet initialized */
#define HAS_STRERROR 1
#endif
+
static int l_level = LOG_DEFAULT_LEVEL;
static FILE *l_file = NULL;
static char l_prefix[512] = "";
static char l_prefix2[512] = "";
static char l_fname[512] = "";
+
static char l_old_default_format[]="%H:%M:%S-%d/%m";
static char l_new_default_format[]="%Y%m%d-%H%M%S";
#define TIMEFORMAT_LEN 50
static char l_custom_format[TIMEFORMAT_LEN]="";
static char *l_actual_format=l_old_default_format;
+/** l_max_size tells when to rotate the log. Default to 1 GB */
+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" },
- { 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()
+{
+ if (mutex_init_flag)
+ return;
+ nmem_mutex_create (&log_mutex);
+ mutex_init_flag=1;
+}
+
FILE *yaz_log_file(void)
{
void yaz_log_init_file (const char *fname)
{
+ if (!mutex_init_flag)
+ init_mutex();
if (fname)
{
strncpy(l_fname, fname, sizeof(l_fname)-1);
void yaz_log_reopen(void)
{
FILE *new_file;
+ if (!mutex_init_flag)
+ init_mutex();
if (!l_file)
l_file = stderr;
-
if (!*l_fname)
new_file=stderr;
else if (!(new_file = fopen(l_fname, "a")))
{
fclose (l_file);
}
- setvbuf(new_file, 0, _IONBF, 0);
+ if (l_level & LOG_FLUSH)
+ setvbuf(new_file, 0, _IONBF, 0);
l_file = new_file;
}
+static void rotate_log()
+{
+ char newname[512];
+ if (l_file==stderr)
+ return; /* can't rotate that */
+ if (!*l_fname)
+ return; /* hmm, no name, can't rotate */
+ strncpy(newname, l_fname, 510);
+ newname[510]='\0'; /* make sure it is terminated */
+ strcat(newname,".1");
+#ifdef WIN32
+ fclose(l_file);
+ l_file=stderr;
+#endif
+ rename(l_fname, newname);
+ yaz_log_reopen();
+}
+
+
void yaz_log_init_level (int level)
{
- l_level = level;
+ if ( (l_level & LOG_FLUSH) != (level & LOG_FLUSH) )
+ {
+ l_level = level;
+ yaz_log_reopen(); /* make sure we set buffering right */
+ } else
+ l_level = level;
}
void yaz_log_init_prefix (const char *prefix)
void yaz_log_init(int level, const char *prefix, const char *fname)
{
+ if (!mutex_init_flag)
+ init_mutex();
yaz_log_init_level (level);
yaz_log_init_prefix (prefix);
if (fname && *fname)
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;
struct tm *tim;
char tbuf[TIMEFORMAT_LEN]="";
int o_level = level;
+ int flen;
if (!(level & l_level))
return;
+ if (!mutex_init_flag)
+ init_mutex();
if (!l_file)
l_file = stderr;
+
+ if ((l_file != stderr) && (l_max_size>0))
+ {
+ nmem_mutex_enter (log_mutex);
+ flen=ftell(l_file);
+ if (flen>l_max_size)
+ rotate_log();
+ nmem_mutex_leave (log_mutex);
+ }
+
*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;
}
tbuf[TIMEFORMAT_LEN-1]='\0';
fprintf(l_file, "%s %s%s %s%s\n", tbuf, l_prefix, flags,
l_prefix2, buf);
- fflush(l_file);
+ if (l_level & (LOG_FLUSH|LOG_DEBUG) )
+ fflush(l_file);
if (end_hook_func)
(*end_hook_func)(o_level, buf, end_hook_info);
}
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=namebuf;
+ p=namebuf;
+ while ((p=index(start,'/')))
+ start=p+1;
+ if ((p=rindex(start,'.')))
+ *p='\0';
+ /*logf(LOG_LOG,"cleaned '%.*s' to '%s' ", len,name, start); */
+ 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=clean;
while (*str)
{
+ found=0;
for (p = str; *p && *p != ','; p++)
;
if (*str == '-' || isdigit(*str))
+ {
level = atoi (str);
- else
+ 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;
projects / yaz-moved-to-github.git / blobdiff