* Sherlock Library -- Logging
*
* (c) 1997--2001 Martin Mares <mj@ucw.cz>
+ *
+ * This software may be freely distributed and used according to the terms
+ * of the GNU Lesser General Public License.
*/
#include "lib/lib.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
+#include <string.h>
#include <fcntl.h>
#include <unistd.h>
-#include <sys/time.h>
+#include <time.h>
-static byte *log_progname;
+static char *log_progname, log_name_patt[64], log_name[64];
static pid_t log_pid;
+static int log_params;
void
log_fork(void)
{
- log_pid = 0;
+ log_pid = getpid();
+}
+
+static void
+log_switch(struct tm *tm)
+{
+ int fd;
+ char name[64];
+
+ if (!log_name_patt[0] ||
+ log_name[0] && !log_params)
+ return;
+ strftime(name, sizeof(name), log_name_patt, tm);
+ if (!strcmp(name, log_name))
+ return;
+ strcpy(log_name, name);
+ fd = open(name, O_WRONLY | O_CREAT | O_APPEND, 0666);
+ if (fd < 0)
+ die("Unable to open log file %s: %m", name);
+ close(2);
+ dup(fd);
+ close(fd);
}
static void
struct tm *tm = localtime(&tim);
char buf[32];
- if (!log_pid)
- log_pid = getpid();
+ log_switch(tm);
strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", tm);
fprintf(stderr, "%c %s ", cat, buf);
if (log_progname)
- fprintf(stderr, "[%s (%d)] ", log_progname, log_pid);
+ {
+ if (log_pid)
+ fprintf(stderr, "[%s (%d)] ", log_progname, log_pid);
+ else
+ fprintf(stderr, "[%s] ", log_progname);
+ }
+ else
+ {
+ if (log_pid)
+ fprintf(stderr, "[%d] ", log_pid);
+ }
vfprintf(stderr, msg, args);
fputc('\n', stderr);
fflush(stderr);
exit(1);
}
+#ifdef DEBUG
+void
+assert_failed(char *assertion, char *file, int line)
+{
+ log(L_FATAL, "Assertion `%s' failed at %s:%d", assertion, file, line);
+ abort();
+}
+#else
+void
+assert_failed(void)
+{
+ die("Internal error: Assertion failed.");
+}
+#endif
+
static byte *
-basename(byte *n)
+log_basename(byte *n)
{
byte *p = n;
log_init(byte *argv0)
{
if (argv0)
- log_progname = basename(argv0);
+ log_progname = log_basename(argv0);
}
void
{
if (name)
{
- int fd = open(name, O_WRONLY | O_CREAT | O_APPEND, 0666);
- if (fd < 0)
- die("Unable to open log file %s: %m", name);
- close(2);
- dup(fd);
- close(fd);
+ time_t tim = time(NULL);
+ struct tm *tm = localtime(&tim);
+ strcpy(log_name_patt, name);
+ log_params = !!strchr(name, '%');
+ log_name[0] = 0;
+ log_switch(tm);
}
}