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Initial support for per log file rotate size:count as last arg.

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson 2018-09-24 17:03:54 +02:00
parent 01a46ae8cc
commit bc92e860ef
1 changed files with 27 additions and 4 deletions
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31
src/syslogd.c
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@ -696,6 +696,8 @@ struct filed {
int f_prevcount; /* repetition cnt of prevline */
size_t f_repeatcount; /* number of "repeated" msgs */
int f_flags; /* store some additional flags */
int f_rotatecount;
int f_rotatesz;
};
/*
@ -1857,19 +1859,19 @@ void logrotate(struct filed *f)
{
struct stat statf;
if (!RotateSz)
if (!f->f_rotatesz)
return;
fstat(f->f_file, &statf);
/* bug (mostly harmless): can wrap around if file > 4gb */
if (S_ISREG(statf.st_mode) && statf.st_size > RotateSz) {
if (RotateCnt > 0) { /* always 0..999 */
if (S_ISREG(statf.st_mode) && statf.st_size > f->f_rotatesz) {
if (f->f_rotatecount > 0) { /* always 0..999 */
int len = strlen(f->f_un.f_fname) + 10 + 1;
char oldFile[len];
char newFile[len];
/* First age zipped log files */
for (int i = RotateCnt; i > 1; i--) {
for (int i = f->f_rotatecount; i > 1; i--) {
snprintf(oldFile, len, "%s.%d.gz", f->f_un.f_fname, i - 1);
snprintf(newFile, len, "%s.%d.gz", f->f_un.f_fname, i);
@ -2769,6 +2771,10 @@ void cfline(char *line, struct filed *f)
f->f_flags = 0;
}
/* default rotate from command line */
f->f_rotatecount = RotateCnt;
f->f_rotatesz = RotateSz;
/* scan through the list of selectors */
for (p = line; *p && *p != '\t' && *p != ' ';) {
@ -2922,6 +2928,23 @@ void cfline(char *line, struct filed *f)
case '|':
case '/':
/* Look for optional per-file rotate BYTES:COUNT */
for (q = p; !isspace(*q); q++)
;
if (isspace(*q)) {
int sz = 0, cnt = 0;
*q++ = 0;
while (*q == '\t' || *q == ' ')
q++;
sscanf(q, "%d:%d", &sz, &cnt);
if (sz > 0 && cnt > 0) {
f->f_rotatecount = cnt;
f->f_rotatesz = sz;
}
}
(void)strcpy(f->f_un.f_fname, p);
logit("filename: %s\n", p); /*ASP*/
if (syncfile)