gboolean
affile_open_file(gchar *name, FileOpenOptions *open_opts, FilePermOptions *perm_opts, gint *fd)
{
cap_t saved_caps;
if (_path_is_spurious(name, spurious_paths))
{
msg_error("Spurious path, logfile not created",
evt_tag_str("path", name),
NULL);
return FALSE;
}
saved_caps = g_process_cap_save();
if (!_obtain_capabilities(name, open_opts, perm_opts, &saved_caps))
{
g_process_cap_restore(saved_caps);
return FALSE;
}
_validate_file_type(name, open_opts);
*fd = _open_fd(name, open_opts, perm_opts);
if (!is_file_device(name))
_set_fd_permission(perm_opts, *fd);
g_process_cap_restore(saved_caps);
msg_trace("affile_open_file",
evt_tag_str("path", name),
evt_tag_int("fd", *fd),
NULL);
return (*fd != -1);
}
/*
* event_notify - Notify Moab of some event
* event_code IN - message code to send Moab
* 1234 - job state change
* 1235 - partition state change
* desc IN - event description
* RET 0 on success, -1 on failure
*/
extern int event_notify(int event_code, char *desc)
{
time_t now = time(NULL);
int rc = 0, retry = 2;
char *event_msg;
DEF_TIMERS;
START_TIMER;
if (e_port == 0) {
/* Event notification disabled */
return 0;
}
if (event_code == 1234) { /* job change */
if (job_aggregation_time
&& (difftime(now, last_notify_time) < job_aggregation_time)) {
debug("wiki event notification already sent recently");
return 0;
}
event_msg = "1234";
} else if (event_code == 1235) { /* configuration change */
event_msg = "1235";
} else {
error("event_notify: invalid event code: %d", event_code);
return -1;
}
slurm_mutex_lock(&event_mutex);
while (retry) {
if ((event_fd == -1) && ((rc = _open_fd(now)) == -1)) {
/* Can't even open socket.
* Don't retry again for a while (2 mins)
* to avoid long delays from ETIMEDOUT */
last_notify_time = now + 120;
break;
}
if (write(event_fd, event_msg, (strlen(event_msg) + 1)) > 0) {
verbose("wiki event_notification sent: %s", desc);
last_notify_time = now;
rc = 0;
/* Dave Jackson says to leave the connection
* open, but Moab isn't. Without the _close_fd()
* here, the next write() generates a broken pipe
* error. Just remove the _close_fd() and this
* comment when Moab maintains the connection. */
_close_fd();
break; /* success */
}
error("wiki event notification failure: %m");
rc = -1;
retry--;
if ((errno == EAGAIN) || (errno == EINTR))
continue;
_close_fd();
if (errno == EPIPE) {
/* If Moab closed the socket we get an EPIPE,
* retry once */
continue;
} else {
break;
}
}
slurm_mutex_unlock(&event_mutex);
END_TIMER2("event_notify");
return rc;
}
