* Copyright (c) 1995-2004, Index Data
* See the file LICENSE for details.
*
- * $Id: log.c,v 1.6 2004-11-02 13:52:54 heikki Exp $
+ * $Id: log.c,v 1.8 2004-11-02 15:47:31 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 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_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*1024*1024;*/
+static int l_max_size=1024; /* while testing */
static struct {
int mask;
{ 0, NULL }
};
+static void init_mutex()
+{
+ if (mutex_init_flag)
+ return;
+ nmem_mutex_create (&log_mutex);
+ mutex_init_flag=1;
+}
+
+
FILE *yaz_log_file(void)
{
if (!l_file)
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")))
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)
{
if ( (l_level & LOG_FLUSH) != (level & LOG_FLUSH) )
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)
struct tm *tim;
char tbuf[TIMEFORMAT_LEN]="";
int o_level = level;
- /* int flen; */
+ int flen;
if (!(level & l_level))
return;
+ if (!mutex_init_flag)
+ init_mutex();
if (!l_file)
l_file = stderr;
-/*
- flen=ftell(l_file);
- if (flen>l_max_size)
- rotate_log();
-*/
+ if (l_file != stderr)
+ {
+ 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)