>> On 28 Jul 1999 11:22:56 -0400,
>> [EMAIL PROTECTED] (John R. Levine) said:
J> What do you do about daily or weekly log summaries? I still haven't
J> come up with a good way to do that with cyclog.
I munged some of the cyclog code around to make it write to a file based
on the current date. We use this for a loghost that holds syslog output
from several other Unix systems. The listing is small, so it's enclosed
below; it replaces cyclog.c.
--
Karl Vogel
ASC/YCOA, Wright-Patterson AFB, OH 45433, USA
[EMAIL PROTECTED] or [EMAIL PROTECTED]
-----------------------------------------------------------------------------
#include <sys/types.h>
#include <sys/time.h>
#include "direntry.h"
#include "substdio.h"
#include "subfd.h"
#include "exit.h"
#include "sgetopt.h"
#include "strerr.h"
#include "scan.h"
#include "fmt.h"
#include "now.h"
#define FATAL "daylog: fatal: "
#define WARNING "daylog: warning: "
void die_usage()
{
strerr_die1x(100,"daylog: usage: daylog dir");
}
unsigned long size = 10240;
char fn[20 + FMT_ULONG];
int safewrite(fd,buf,len)
int fd;
char *buf;
int len;
{
int w;
for (;;) {
w = write(fd,buf,len);
if (w > 0) return w;
strerr_warn4(WARNING,"unable to write to ",fn,", pausing: ",&strerr_sys);
sleep(60);
}
}
void trace(x1) /* KEV */
char *x1;
{
strerr_sysinit();
if (x1) substdio_puts(subfderr,x1);
substdio_puts(subfderr,"\n");
substdio_flush(subfderr);
}
char outbuf[1024];
substdio ssout;
int flushread(fd,buf,len) int fd; char *buf; int len;
{
substdio_flush(&ssout);
return read(fd,buf,len);
}
char inbuf[1024];
substdio ssin = SUBSTDIO_FDBUF(flushread,0,inbuf,sizeof inbuf);
void main(argc,argv)
int argc;
char **argv;
{
char *dir;
char *fns;
char ch;
int fd;
int flageof;
int len;
int opt;
struct tm *t;
unsigned long bytes;
unsigned long lastnow;
umask(022);
while ((opt = getopt(argc,argv,"")) != opteof)
switch(opt) {
default:
die_usage();
}
argv += optind;
dir = *argv;
if (!dir)
die_usage();
if (chdir(dir) == -1)
strerr_die4sys(111,FATAL,"unable to chdir to ",dir,": ");
flageof = 0;
while (!flageof) {
for (;;) {
lastnow = now();
t = localtime(&lastnow);
fns = fn;
len = fmt_ulong(fns,(unsigned long) (1900 + t->tm_year));
fns += len;
*fns++ = '-';
len = fmt_uint0(fns,(unsigned int) (1 + t->tm_mon),2);
fns += len;
*fns++ = '-';
len = fmt_uint0(fns,(unsigned int) t->tm_mday,2);
fns += len;
*fns = '\0';
fd = open_append(fn);
if (fd != -1) break;
strerr_warn4(WARNING,"unable to create ",fn,", pausing: ",&strerr_sys);
sleep(60);
}
substdio_fdbuf(&ssout,safewrite,fd,outbuf,sizeof outbuf);
for (bytes = size;bytes > 0;--bytes) {
if (substdio_get(&ssin,&ch,1) < 1) { flageof = 1; break; }
substdio_BPUTC(&ssout,ch);
if (ch == '\n') break;
}
substdio_flush(&ssout);
while (fsync(fd) == -1) {
strerr_warn4(WARNING,"unable to sync to ",fn,", pausing: ",&strerr_sys);
sleep(60);
}
fchmod(fd,0644); /* if it fails, too bad */
close(fd);
}
_exit(0);
}
