int
OpenLog(const char *fileName)
{
/*
* This function should allow various libraries that inconsistently
* use stdout/stderr to all go to the same place
*/
int tempfd, isfifo = 0;
char oldName[MAXPATHLEN];
struct timeval Start;
struct tm *TimeFields;
char FileName[MAXPATHLEN];
#ifndef AFS_NT40_ENV
struct stat statbuf;
if (serverLogSyslog) {
openlog(serverLogSyslogTag, LOG_PID, serverLogSyslogFacility);
return (0);
}
/* Support named pipes as logs by not rotating them */
if ((lstat(fileName, &statbuf) == 0) && (S_ISFIFO(statbuf.st_mode))) {
isfifo = 1;
}
#endif
if (mrafsStyleLogs) {
time_t t;
TM_GetTimeOfDay(&Start, 0);
t = Start.tv_sec;
TimeFields = localtime(&t);
if (fileName) {
if (strncmp(fileName, (char *)&ourName, strlen(fileName)))
strcpy((char *)&ourName, (char *)fileName);
}
afs_snprintf(FileName, MAXPATHLEN, "%s.%d%02d%02d%02d%02d%02d",
ourName, TimeFields->tm_year + 1900,
TimeFields->tm_mon + 1, TimeFields->tm_mday,
TimeFields->tm_hour, TimeFields->tm_min,
TimeFields->tm_sec);
if (!isfifo)
renamefile(fileName, FileName); /* don't check error code */
tempfd = open(fileName, O_WRONLY | O_TRUNC | O_CREAT | (isfifo?O_NONBLOCK:0), 0666);
} else {
strcpy(oldName, fileName);
strcat(oldName, ".old");
/* don't check error */
if (!isfifo)
renamefile(fileName, oldName);
tempfd = open(fileName, O_WRONLY | O_TRUNC | O_CREAT | (isfifo?O_NONBLOCK:0), 0666);
}
if (tempfd < 0) {
printf("Unable to open log file %s\n", fileName);
return -1;
}
/* redirect stdout and stderr so random printf's don't write to data */
(void)freopen(fileName, "a", stdout);
(void)freopen(fileName, "a", stderr);
#ifdef HAVE_SETVBUF
#ifdef SETVBUF_REVERSED
setvbuf(stderr, _IONBF, NULL, 0);
#else
setvbuf(stderr, NULL, _IONBF, 0);
#endif
#else
setbuf(stderr, NULL);
#endif
#if defined(AFS_PTHREAD_ENV)
assert(pthread_mutex_init(&serverLogMutex, NULL) == 0);
#endif /* AFS_PTHREAD_ENV */
serverLogFD = tempfd;
return 0;
} /*OpenLog */
static time_t mytime(void)
{
struct timeval t;
TM_GetTimeOfDay(&t, NULL);
return(t.tv_sec);
}
