/*
- * Copyright (c) 1995-2004, Index Data
+ * Copyright (C) 1995-2005, Index Data ApS
* See the file LICENSE for details.
*
- * $Id: log.c,v 1.2 2004-10-15 00:19:00 adam Exp $
+ * $Id: log.c,v 1.26 2005-09-09 10:33:45 adam 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/xmalloc.h>
+
+static NMEM_MUTEX log_mutex = 0;
+static int mutex_init_flag = 0; /* not yet initialized */
#define HAS_STRERROR 1
#else
char *strerror(int n)
{
- extern char *sys_errlist[];
- return sys_errlist[n];
+ extern char *sys_errlist[];
+ return sys_errlist[n];
}
#endif
-static int l_level = LOG_DEFAULT_LEVEL;
+
+
+static int l_level = YLOG_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[] =
-{
- { LOG_FATAL, "fatal"},
- { LOG_DEBUG, "debug"},
- { LOG_WARN, "warn" },
- { LOG_LOG, "log" },
- { LOG_ERRNO, ""},
- { LOG_MALLOC, "malloc"},
- { LOG_APP, "app" },
- { LOG_NOTIME, "" },
- { LOG_APP2 , "app2" },
- { LOG_APP3 , "app3" },
- { LOG_ALL, "all" },
- { 0, "none" },
+} mask_names[MAX_MASK_NAMES] =
+{
+ { YLOG_FATAL, "fatal"},
+ { YLOG_DEBUG, "debug"},
+ { YLOG_WARN, "warn" },
+ { YLOG_LOG, "log" },
+ { YLOG_ERRNO, ""},
+ { YLOG_MALLOC, "malloc"},
+ { YLOG_APP, "app" },
+ { YLOG_NOTIME, "notime" },
+ { YLOG_APP2, "app2" },
+ { YLOG_APP3, "app3" },
+ { YLOG_ALL, "all" },
+ { YLOG_FLUSH, "flush" },
+ { YLOG_LOGLVL, "loglevel" },
+ { 0, "none" },
{ 0, NULL }
+ /* the rest will be filled in if the user defines dynamic modules*/
};
+static unsigned int next_log_bit = YLOG_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)
{
+ init_mutex();
if (fname)
{
- strncpy(l_fname, fname, sizeof(l_fname)-1);
- l_fname[sizeof(l_fname)-1] = '\0';
+ strncpy(l_fname, fname, sizeof(l_fname)-1);
+ l_fname[sizeof(l_fname)-1] = '\0';
}
else
- l_fname[0] = '\0';
+ l_fname[0] = '\0';
yaz_log_reopen();
}
void yaz_log_reopen(void)
{
FILE *new_file;
+ init_mutex();
if (!l_file)
l_file = stderr;
-
if (!*l_fname)
- new_file=stderr;
+ new_file = stderr;
else if (!(new_file = fopen(l_fname, "a")))
+ {
+ new_file=l_file;
+ l_file=stderr; /* just to be sure we don't rotate logs and recurse */
+ yaz_log(YLOG_WARN|YLOG_ERRNO,"Could not open log file '%s'",l_fname);
+ l_file=new_file; /* restore to old value, probably stderr as well */
return;
+ }
if (l_file != stderr)
{
fclose (l_file);
}
- setvbuf(new_file, 0, _IONBF, 0);
+ if (l_level & YLOG_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, 509);
+ newname[509] = '\0'; /* make sure it is terminated */
+ strcat(newname,".1");
+#ifdef WIN32
+ /* windows can't rename a file if it is open */
+ fclose(l_file);
+ l_file = stderr;
+#endif
+ rename(l_fname, newname);
+ yaz_log_reopen();
+}
+
+
void yaz_log_init_level (int level)
{
- l_level = level;
+ init_mutex();
+ if ( (l_level & YLOG_FLUSH) != (level & YLOG_FLUSH) )
+ {
+ l_level = level;
+ yaz_log_reopen(); /* make sure we set buffering right */
+ } else
+ l_level = level;
+ if (l_level & YLOG_LOGLVL)
+ { /* dump the log level bits */
+ const char *bittype = "Static ";
+ int i, sz;
+
+ yaz_log(YLOG_LOGLVL, "Setting log level to %d = 0x%08x",
+ l_level, l_level);
+ /* determine size of mask_names (locked) */
+ nmem_mutex_enter(log_mutex);
+ for (sz = 0; mask_names[sz].name; sz++)
+ ;
+ nmem_mutex_leave(log_mutex);
+ /* second pass without lock */
+ for (i = 0; i < sz; i++)
+ if (mask_names[i].mask && *mask_names[i].name)
+ if (strcmp(mask_names[i].name, "all") != 0)
+ {
+ yaz_log(YLOG_LOGLVL, "%s log bit %08x '%s' is %s",
+ bittype, mask_names[i].mask, mask_names[i].name,
+ (level & mask_names[i].mask)? "ON": "off");
+ if (mask_names[i].mask > YLOG_LAST_BIT)
+ bittype = "Dynamic";
+ }
+ }
}
void yaz_log_init_prefix (const char *prefix)
{
if (prefix && *prefix)
- sprintf(l_prefix, "%.511s ", prefix);
+ sprintf(l_prefix, "%.511s ", prefix);
else
*l_prefix = 0;
}
void yaz_log_init_prefix2 (const char *prefix)
{
if (prefix && *prefix)
- sprintf(l_prefix2, "%.511s ", prefix);
+ sprintf(l_prefix2, "%.511s ", prefix);
else
*l_prefix2 = 0;
}
void yaz_log_init(int level, const char *prefix, const char *fname)
{
+ 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;
int i;
time_t ti;
struct tm *tim;
- char tbuf[50]="";
+ char tbuf[TIMEFORMAT_LEN] = "";
int o_level = level;
+ int flen;
if (!(level & l_level))
- return;
+ return;
+ init_mutex();
+ nmem_mutex_enter(log_mutex);
if (!l_file)
l_file = stderr;
+
+ if ((l_file != stderr) && (l_max_size>0))
+ {
+ flen = ftell(l_file);
+ if (flen>l_max_size)
+ rotate_log();
+ }
+
*flags = '\0';
for (i = 0; level && mask_names[i].name; i++)
- if (mask_names[i].mask & level)
- {
- if (*mask_names[i].name)
- sprintf(flags + strlen(flags), "[%s]", mask_names[i].name);
- level -= mask_names[i].mask;
- }
+ if ( mask_names[i].mask & level)
+ {
+ if (*mask_names[i].name && mask_names[i].mask &&
+ mask_names[i].mask != YLOG_ALL)
+ {
+ sprintf(flags + strlen(flags), "[%s]", mask_names[i].name);
+ level &= ~mask_names[i].mask;
+ }
+ }
+
va_start(ap, fmt);
#ifdef WIN32
_vsnprintf(buf, sizeof(buf)-1, fmt, ap);
#endif
#endif
/* WIN32 */
- if (o_level & LOG_ERRNO)
+ if (o_level & YLOG_ERRNO)
{
strcat(buf, " [");
yaz_strerror(buf+strlen(buf), 2048);
(*start_hook_func)(o_level, buf, start_hook_info);
ti = time(0);
tim = localtime(&ti);
- if (l_level & LOG_NOTIME)
- tbuf[0]='\0';
+ if (l_level & YLOG_NOTIME)
+ tbuf[0] = '\0';
else
- strftime(tbuf, 50, "%H:%M:%S-%d/%m: ", tim);
- fprintf(l_file, "%s%s%s %s%s\n", tbuf, l_prefix, flags,
+ strftime(tbuf, TIMEFORMAT_LEN-1, l_actual_format, tim);
+ 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 & (YLOG_FLUSH|YLOG_DEBUG) )
+ fflush(l_file);
if (end_hook_func)
- (*end_hook_func)(o_level, buf, end_hook_info);
+ (*end_hook_func)(o_level, buf, end_hook_info);
+ nmem_mutex_leave(log_mutex);
+}
+
+void yaz_log_time_format(const char *fmt)
+{
+ if ( !fmt || !*fmt)
+ { /* no format, default to new */
+ l_actual_format = l_new_default_format;
+ return;
+ }
+ if (0==strcmp(fmt,"old"))
+ { /* force the old format */
+ l_actual_format = l_old_default_format;
+ return;
+ }
+ /* else use custom format */
+ strncpy(l_custom_format, fmt, TIMEFORMAT_LEN-1);
+ l_custom_format[TIMEFORMAT_LEN-1] = '\0';
+ 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 = namebuf;
+ char *start = namebuf;
+ if (buflen <= len)
+ len = buflen-1;
+ strncpy(namebuf, name, len);
+ namebuf[len] = '\0';
+ while ((p = strchr(start,'/')))
+ start = p+1;
+ if ((p = strrchr(start,'.')))
+ *p = '\0';
+ return start;
+}
+
+static int define_module_bit(const char *name)
+{
+ int i;
+ init_mutex();
+ nmem_mutex_enter(log_mutex);
+ for (i = 0; mask_names[i].name; i++)
+ if (0 == strcmp(mask_names[i].name, name))
+ {
+ nmem_mutex_leave(log_mutex);
+ return mask_names[i].mask;
+ }
+ if ( (i>=MAX_MASK_NAMES) || (next_log_bit >= 1<<31 ))
+ {
+ nmem_mutex_leave(log_mutex);
+ yaz_log(YLOG_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 = malloc (strlen(name)+1);
+ strcpy(mask_names[i].name, name);
+ mask_names[i+1].name = NULL;
+ mask_names[i+1].mask = 0;
+ nmem_mutex_leave(log_mutex);
+ 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));
+ init_mutex();
+
+ nmem_mutex_enter(log_mutex);
+ for (i = 0; mask_names[i].name; i++)
+ if (0==strcmp(n, mask_names[i].name))
+ {
+ nmem_mutex_leave(log_mutex);
+ yaz_log(YLOG_LOGLVL, "returning log bit 0x%x for '%s' %s",
+ mask_names[i].mask, n,
+ strcmp(n,name) ? name : "");
+ return mask_names[i].mask;
+ }
+ nmem_mutex_leave(log_mutex);
+ yaz_log(YLOG_LOGLVL, "returning NO log bit for '%s' %s", n,
+ strcmp(n, name) ? name : "" );
+ return 0;
}
int yaz_log_mask_str (const char *str)
{
- return yaz_log_mask_str_x (str, LOG_DEFAULT_LEVEL);
+ return yaz_log_mask_str_x (str, YLOG_DEFAULT_LEVEL);
}
int yaz_log_mask_str_x (const char *str, int level)
{
const char *p;
- int i;
while (*str)
{
+ int negated = 0;
for (p = str; *p && *p != ','; p++)
;
- if (*str == '-' || isdigit(*str))
- level = atoi (str);
- else
- 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 (mask_names[i].mask)
- level |= mask_names[i].mask;
- else
- level = 0;
- }
+ if (*str=='-')
+ {
+ negated = 1;
+ str++;
+ }
+ if (isdigit(*(unsigned char *) str))
+ {
+ level = atoi(str);
+ }
+ else
+ {
+ char clean[509];
+ char *n = clean_name(str, p-str, clean, sizeof(clean));
+ int mask = define_module_bit(n);
+ if (!mask)
+ level = 0; /* 'none' clears them all */
+ else if (negated)
+ level &= ~mask;
+ else
+ level |= mask;
+ }
if (*p == ',')
p++;
str = p;
}
return level;
}
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+
projects / yaz-moved-to-github.git / blobdiff