void CWatchdogMngr::OnQuit()
{
CSimpleTimer t ;
Ping(); //to make sure that prepare_for_reboot.sh has time to run
systemf_to( ON_QUIT_DELAY, NIVIS_FIRMWARE "prepare_for_reboot.sh&" );
LOG("Waiting[%u seconds] for prepare_for_reboot.sh",ON_QUIT_DELAY) ;
int nTimeLeftToPing = ON_QUIT_DELAY;
if (FileIsExecutable(FTP_SCRIPT))
{
nTimeLeftToPing = ON_QUIT_DELAY_FTP_LOGS;
}
t.SetTimer( nTimeLeftToPing) ;
while( ! t.IsSignaling() )
{
Ping() ;
Sleep() ;
}
Ping() ;
systemf_to( 20, "log2flash 'WTD: Finished running quit procedure.'&");
}
static bool log2flash_fa(const char *fname, const char *fmt, va_list arglist)
{
bool retcode=false; // assume operation failed.
int fd;
time_t cur_time;
time_t duration=0;
struct tm *ptm; // structure to obtain date information
char printbuf[MAX_WRITE_CHAR+2]; // size + '\n' + '\0'
int bytes_to_write;
int lock_to; // time out for flock()
DPRINT( "log2flash_fa() called\n" );
fd = open(fname, O_RDWR|O_CREAT|O_NONBLOCK, 00644);
if (fd == -1) {
LOG_ERR("log2flash ERROR: Unable to open file.");
goto EXIT;
}
lock_to = FLOCK_TIMEOUT;
while( flock(fd, LOCK_EX | LOCK_NB) != 0 ) {
sleep(1);
lock_to--;
if (lock_to < 0) {
LOG_ERR("log2flash ERROR: lock timeout");
goto CLOSE_EXIT;
}
}
if ( lseek(fd, 0, SEEK_END) == -1 ) {
LOG_ERR("log2flash ERROR: unable to seek to the end of file. errno=%d", errno);
goto CLOSE_EXIT;
}
cur_time=time(NULL);
ptm=gmtime(&cur_time);
// tm_year from 1900, tm_mon [0-11]
// it takes 20 characters spaces.
sprintf(printbuf, "%d-%02d-%02d %02d:%02d:%02d ",
ptm->tm_year+1900, ptm->tm_mon+1, ptm->tm_mday,
ptm->tm_hour, ptm->tm_min, ptm->tm_sec);
// generate the buffer string.
vsnprintf(printbuf+20, MAX_WRITE_CHAR-20, fmt, arglist);
bytes_to_write = strlen(printbuf);
printbuf[bytes_to_write] = '\n';
printbuf[++bytes_to_write] = 0;
DPRINT( printbuf );
// gather statistic
struct stat f_stat;
if ( fstat(fd, &f_stat) == -1 ) {
LOG_ERR("log2flash ERROR: unable to gatter statistic for %s. errno=%d", fname, errno);
goto CLOSE_EXIT;
}
// if write failed, goto CLOSE_EXIT
if (loop_write(fd, printbuf, bytes_to_write) != true) goto CLOSE_EXIT;
if ( f_stat.st_size + strlen(printbuf) > LOG_LIMIT) { // starting to rotate
DPRINT( "File Size exceeded LOG_LIMIT - Perform rotation\n" );
char from[PATH_MAX];
char to[PATH_MAX];
for( int i=ROTATE_MAX; i>0; --i)
{
sprintf( from, "%s.%d", fname, i-1);
sprintf( to, "%s.%d", fname, i);
rename( from, to);
}
duration = time(NULL);
Copy( fname, from, LOG_LIMIT );
unlink( fname );
duration -= time(NULL);
if (FileIsExecutable(FTP_SCRIPT))
{
char sBaseFile[PATH_MAX];
char sFileName[PATH_MAX];
sprintf(sBaseFile,NIVIS_TMP"activity.log");
AttachDatetime(sBaseFile,sFileName);
Copy(from,sFileName);
systemf_to(5, FTP_SCRIPT" %s &", sFileName);
}
}
retcode=true;
CLOSE_EXIT:
flock(fd, LOCK_UN);
close(fd);
if (duration < -10) { //it really is negative :) we only convert it when we need to show it, below
log2flash("Logfile rotation took quite long: %d seconds", -duration);
}
EXIT:
return retcode;
}
