static void
dm_write_log (int level, const char *file, int line, const char *f, ...)
{
va_list ap;
int thres;
if (level > 6)
level = 6;
thres = (conf) ? conf->verbosity : 0;
if (thres <= 3 || level > thres)
return;
va_start(ap, f);
if (!logsink) {
time_t t = time(NULL);
struct tm *tb = localtime(&t);
char buff[16];
strftime(buff, sizeof(buff), "%b %d %H:%M:%S", tb);
buff[sizeof(buff)-1] = '\0';
fprintf(stdout, "%s | ", buff);
fprintf(stdout, "libdevmapper: %s(%i): ", file, line);
vfprintf(stdout, f, ap);
fprintf(stdout, "\n");
} else {
condlog(level, "libdevmapper: %s(%i): ", file, line);
log_safe(level + 3, f, ap);
}
va_end(ap);
return;
}
void dlog (int sink, int prio, const char * fmt, ...)
{
va_list ap;
int thres;
va_start(ap, fmt);
thres = (conf) ? conf->verbosity : 0;
if (prio <= thres) {
if (sink < 1) {
if (sink == 0) {
time_t t = time(NULL);
struct tm *tb = localtime(&t);
char buff[16];
strftime(buff, sizeof(buff),
"%b %d %H:%M:%S", tb);
buff[sizeof(buff)-1] = '\0';
fprintf(stdout, "%s | ", buff);
}
vfprintf(stdout, fmt, ap);
}
else
log_safe(prio + 3, fmt, ap);
}
va_end(ap);
}
void dlog (int sink, int prio, const char * fmt, ...)
{
va_list ap;
int thres;
struct config *conf;
va_start(ap, fmt);
conf = get_multipath_config();
ANNOTATE_IGNORE_READS_BEGIN();
thres = (conf) ? conf->verbosity : 0;
ANNOTATE_IGNORE_READS_END();
put_multipath_config(conf);
if (prio <= thres) {
if (sink < 1) {
if (sink == 0) {
time_t t = time(NULL);
struct tm *tb = localtime(&t);
char buff[16];
strftime(buff, sizeof(buff),
"%b %d %H:%M:%S", tb);
buff[sizeof(buff)-1] = '\0';
fprintf(stdout, "%s | ", buff);
}
vfprintf(stdout, fmt, ap);
}
else
log_safe(prio + 3, fmt, ap);
}
va_end(ap);
}
void
log_level_down(void)
{
struct logger *l = &logger;
if (l->level > LOG_EMERG) {
l->level--;
log_safe("down log level to %d", l->level);
}
}
void
log_level_up(void)
{
struct logger *l = &logger;
if (l->level < LOG_PVERB) {
l->level++;
log_safe("up log level to %d", l->level);
}
}
void
signal_handler(int signo)
{
struct signal *sig;
void (*action)(void);
char *actionstr;
bool done;
for (sig = signals; sig->signo != 0; sig++) {
if (sig->signo == signo) {
break;
}
}
ASSERT(sig->signo != 0);
actionstr = "";
action = NULL;
done = false;
switch (signo) {
case SIGUSR1:
actionstr = ", config reload";
break;
case SIGUSR2:
break;
case SIGTTIN:
actionstr = ", up logging level";
action = log_level_up;
break;
case SIGTTOU:
actionstr = ", down logging level";
action = log_level_down;
break;
case SIGHUP:
actionstr = ", reopening log file";
action = log_reopen;
break;
case SIGINT:
done = true;
actionstr = ", exiting";
break;
case SIGSEGV:
log_stacktrace();
actionstr = ", core dumping";
raise(SIGSEGV);
break;
default:
NOT_REACHED();
}
log_safe("signal %d (%s) received%s", signo, sig->signame, actionstr);
if (action != NULL) {
action();
}
if (done) {
exit(1);
}
signal_report_to_channel(signo);
}
void
signal_handler(int signo)
{
struct signal *sig;
void (*action)(void);
char *actionstr;
bool done;
for (sig = signals; sig->signo != 0; sig++) {
if (sig->signo == signo) {
break;
}
}
ASSERT(sig->signo != 0);
actionstr = "";
action = NULL;
done = false;
switch (signo) {
case SIGUSR1:
#if 1 //shenzheng 2015-3-26 for debug
#ifdef NC_DEBUG_LOG
actionstr = ", print timeout used msgs";
action = print_timeout_used_msgs;
#endif
#endif //shenzheng 2015-3-26 for debug
break;
case SIGUSR2:
#if 1 //shenzheng 2015-3-26 for debug
#ifdef NC_DEBUG_LOG
actionstr = ", print used msgs";
action = print_used_msgs;
#endif
#endif //shenzheng 2015-3-26 for debug
break;
case SIGTTIN:
actionstr = ", up logging level";
action = log_level_up;
break;
case SIGTTOU:
actionstr = ", down logging level";
action = log_level_down;
break;
case SIGHUP:
actionstr = ", reopening log file";
action = log_reopen;
break;
case SIGINT:
done = true;
actionstr = ", exiting";
break;
case SIGSEGV:
log_stacktrace();
actionstr = ", core dumping";
raise(SIGSEGV);
break;
default:
NOT_REACHED();
}
log_safe("signal %d (%s) received%s", signo, sig->signame, actionstr);
if (action != NULL) {
action();
}
if (done) {
exit(1);
}
}
