void receive_message(HNDLE hBuf, HNDLE id, EVENT_HEADER * header, void *message)
{
char str[256], *pc, *sp;
static DWORD last_beep = 0;
/* print message */
printf("%s\n", (char *) (message));
if (fp == NULL) {
fputs("Speech synthesizer not enabled - terminating\n", stderr);
cm_disconnect_experiment();
exit(2);
}
/* skip none talking message */
if (header->trigger_mask == MT_TALK || header->trigger_mask == MT_USER) {
pc = strchr((char *) (message), ']') + 2;
sp = pc + strlen(pc) - 1;
while (*sp == ' ' || *sp == '\t')
sp--;
*(++sp) = '\0';
/* Send beep first */
// "play --volume=0.3 /etc/mt_talk.wav"
if ((ss_time() - last_beep) > shutupTime) {
switch (header->trigger_mask) {
case MT_TALK:
if (mtTalkStr[0])
sprintf(str, "%s", mtTalkStr);
break;
case MT_USER:
if (mtUserStr[0])
sprintf(str, "%s", mtUserStr);
break;
}
ss_system(str);
last_beep = ss_time();
ss_sleep(1000);
}
#ifdef OS_DARWIN
sprintf(str, "say %s.", pc);
ss_system(str);
#else
fprintf(fp, "%s.\n", pc);
fflush(fp);
#endif
}
return;
}
/**
Scan ODB for alarms.
@return AL_SUCCESS
*/
INT al_check()
{
if (rpc_is_remote())
return rpc_call(RPC_AL_CHECK);
#ifdef LOCAL_ROUTINES
{
INT i, status, size, semaphore;
HNDLE hDB, hkeyroot, hkey;
KEY key;
ALARM a;
char str[256], value[256];
time_t now;
PROGRAM_INFO program_info;
BOOL flag;
ALARM_CLASS_STR(alarm_class_str);
ALARM_ODB_STR(alarm_odb_str);
ALARM_PERIODIC_STR(alarm_periodic_str);
cm_get_experiment_database(&hDB, NULL);
if (hDB == 0)
return AL_SUCCESS; /* called from server not yet connected */
/* check online mode */
flag = TRUE;
size = sizeof(flag);
db_get_value(hDB, 0, "/Runinfo/Online Mode", &flag, &size, TID_INT, TRUE);
if (!flag)
return AL_SUCCESS;
/* check global alarm flag */
flag = TRUE;
size = sizeof(flag);
db_get_value(hDB, 0, "/Alarms/Alarm system active", &flag, &size, TID_BOOL, TRUE);
if (!flag)
return AL_SUCCESS;
/* request semaphore */
cm_get_experiment_semaphore(&semaphore, NULL, NULL, NULL);
status = ss_semaphore_wait_for(semaphore, 100);
if (status == SS_TIMEOUT)
return AL_SUCCESS; /* someone else is doing alarm business */
if (status != SS_SUCCESS) {
printf("al_check: Something is wrong with our semaphore, ss_semaphore_wait_for() returned %d, aborting.\n", status);
//abort(); // DOES NOT RETURN
printf("al_check: Cannot abort - this will lock you out of odb. From this point, MIDAS will not work correctly. Please read the discussion at https://midas.triumf.ca/elog/Midas/945\n");
// NOT REACHED
return AL_SUCCESS;
}
/* check ODB alarms */
db_find_key(hDB, 0, "/Alarms/Alarms", &hkeyroot);
if (!hkeyroot) {
/* create default ODB alarm */
status = db_create_record(hDB, 0, "/Alarms/Alarms/Demo ODB", strcomb(alarm_odb_str));
db_find_key(hDB, 0, "/Alarms/Alarms", &hkeyroot);
if (!hkeyroot) {
ss_semaphore_release(semaphore);
return AL_SUCCESS;
}
status = db_create_record(hDB, 0, "/Alarms/Alarms/Demo periodic", strcomb(alarm_periodic_str));
db_find_key(hDB, 0, "/Alarms/Alarms", &hkeyroot);
if (!hkeyroot) {
ss_semaphore_release(semaphore);
return AL_SUCCESS;
}
/* create default alarm classes */
status = db_create_record(hDB, 0, "/Alarms/Classes/Alarm", strcomb(alarm_class_str));
status = db_create_record(hDB, 0, "/Alarms/Classes/Warning", strcomb(alarm_class_str));
if (status != DB_SUCCESS) {
ss_semaphore_release(semaphore);
return AL_SUCCESS;
}
}
for (i = 0;; i++) {
status = db_enum_key(hDB, hkeyroot, i, &hkey);
if (status == DB_NO_MORE_SUBKEYS)
break;
db_get_key(hDB, hkey, &key);
size = sizeof(a);
status = db_get_record(hDB, hkey, &a, &size, 0);
if (status != DB_SUCCESS || a.type < 1 || a.type > AT_LAST) {
/* make sure alarm record has right structure */
db_check_record(hDB, hkey, "", strcomb(alarm_odb_str), TRUE);
size = sizeof(a);
status = db_get_record(hDB, hkey, &a, &size, 0);
if (status != DB_SUCCESS || a.type < 1 || a.type > AT_LAST) {
cm_msg(MERROR, "al_check", "Cannot get alarm record");
continue;
}
}
/* check periodic alarm only when active */
if (a.active &&
a.type == AT_PERIODIC &&
a.check_interval > 0 && (INT) ss_time() - (INT) a.checked_last > a.check_interval) {
/* if checked_last has not been set, set it to current time */
if (a.checked_last == 0) {
a.checked_last = ss_time();
db_set_record(hDB, hkey, &a, size, 0);
} else
al_trigger_alarm(key.name, a.alarm_message, a.alarm_class, "", AT_PERIODIC);
}
/* check alarm only when active and not internal */
if (a.active &&
a.type == AT_EVALUATED &&
a.check_interval > 0 && (INT) ss_time() - (INT) a.checked_last > a.check_interval) {
/* if condition is true, trigger alarm */
if (al_evaluate_condition(a.condition, value)) {
sprintf(str, a.alarm_message, value);
al_trigger_alarm(key.name, str, a.alarm_class, "", AT_EVALUATED);
} else {
a.checked_last = ss_time();
status = db_set_value(hDB, hkey, "Checked last", &a.checked_last, sizeof(DWORD), 1, TID_DWORD);
if (status != DB_SUCCESS) {
cm_msg(MERROR, "al_check", "Cannot change alarm record");
continue;
}
}
}
}
/* check /programs alarms */
db_find_key(hDB, 0, "/Programs", &hkeyroot);
if (hkeyroot) {
for (i = 0;; i++) {
status = db_enum_key(hDB, hkeyroot, i, &hkey);
if (status == DB_NO_MORE_SUBKEYS)
break;
db_get_key(hDB, hkey, &key);
/* don't check "execute on xxx" */
if (key.type != TID_KEY)
continue;
size = sizeof(program_info);
status = db_get_record(hDB, hkey, &program_info, &size, 0);
if (status != DB_SUCCESS) {
cm_msg(MERROR, "al_check", "Cannot get program info record");
continue;
}
now = ss_time();
rpc_get_name(str);
str[strlen(key.name)] = 0;
if (!equal_ustring(str, key.name) && cm_exist(key.name, FALSE) == CM_NO_CLIENT) {
if (program_info.first_failed == 0) {
program_info.first_failed = (DWORD) now;
db_set_record(hDB, hkey, &program_info, sizeof(program_info), 0);
}
/* fire alarm when not running for more than what specified in check interval */
if (now - program_info.first_failed >= program_info.check_interval / 1000) {
/* if not running and alarm calss defined, trigger alarm */
if (program_info.alarm_class[0]) {
sprintf(str, "Program %s is not running", key.name);
al_trigger_alarm(key.name, str, program_info.alarm_class,
"Program not running", AT_PROGRAM);
}
/* auto restart program */
if (program_info.auto_restart && program_info.start_command[0]) {
ss_system(program_info.start_command);
program_info.first_failed = 0;
cm_msg(MTALK, "al_check", "Program %s restarted", key.name);
}
}
} else {
if (program_info.first_failed != 0) {
program_info.first_failed = 0;
db_set_record(hDB, hkey, &program_info, sizeof(program_info), 0);
}
}
}
}
ss_semaphore_release(semaphore);
}
#endif /* LOCAL_COUTINES */
return SUCCESS;
}
INT al_trigger_class(const char *alarm_class, const char *alarm_message, BOOL first)
/********************************************************************\
Routine: al_trigger_class
Purpose: Trigger a certain alarm class
Input:
char *alarm_class Alarm class, must be defined in
/alarms/classes
char *alarm_message Optional message which goes with alarm
BOOL first TRUE if alarm is triggered first time
(used for elog)
Output:
Function value:
AL_INVALID_NAME Alarm class not defined
AL_SUCCESS Successful completion
\********************************************************************/
{
int status, size, state;
HNDLE hDB, hkeyclass;
char str[256], command[256], tag[32], url[256];
ALARM_CLASS ac;
DWORD now = ss_time();
tag[0] = 0;
cm_get_experiment_database(&hDB, NULL);
/* get alarm class */
sprintf(str, "/Alarms/Classes/%s", alarm_class);
db_find_key(hDB, 0, str, &hkeyclass);
if (!hkeyclass) {
cm_msg(MERROR, "al_trigger_class", "Alarm class %s not found in ODB", alarm_class);
return AL_INVALID_NAME;
}
size = sizeof(ac);
status = db_get_record(hDB, hkeyclass, &ac, &size, 0);
if (status != DB_SUCCESS) {
cm_msg(MERROR, "al_trigger_class", "Cannot get alarm class record");
return AL_ERROR_ODB;
}
/* write system message */
if (ac.write_system_message && (now - ac.system_message_last >= (DWORD)ac.system_message_interval)) {
if (equal_ustring(alarm_class, "All"))
sprintf(str, "General alarm: %s", alarm_message);
else
sprintf(str, "%s: %s", alarm_class, alarm_message);
cm_msg(MTALK, "al_trigger_class", "%s", str);
ac.system_message_last = now;
}
/* write elog message on first trigger if using internal ELOG */
size = sizeof(url);
if (ac.write_elog_message && first &&
db_get_value(hDB, 0, "/Elog/URL", url, &size, TID_STRING, FALSE) != DB_SUCCESS)
el_submit(0, "Alarm system", "Alarm", "General", alarm_class, str,
"", "plain", "", "", 0, "", "", 0, "", "", 0, tag, sizeof(tag));
/* execute command */
if (ac.execute_command[0] &&
ac.execute_interval > 0 && (INT) ss_time() - (INT) ac.execute_last > ac.execute_interval) {
if (equal_ustring(alarm_class, "All"))
sprintf(str, "General alarm: %s", alarm_message);
else
sprintf(str, "%s: %s", alarm_class, alarm_message);
sprintf(command, ac.execute_command, str);
cm_msg(MINFO, "al_trigger_class", "Execute: %s", command);
ss_system(command);
ac.execute_last = ss_time();
}
/* stop run */
if (ac.stop_run) {
state = STATE_STOPPED;
size = sizeof(state);
db_get_value(hDB, 0, "/Runinfo/State", &state, &size, TID_INT, TRUE);
if (state != STATE_STOPPED) {
cm_msg(MINFO, "al_trigger_class", "Stopping the run from alarm class \'%s\', message \'%s\'", alarm_class, alarm_message);
cm_transition(TR_STOP, 0, NULL, 0, TR_DETACH, FALSE);
}
}
status = db_set_record(hDB, hkeyclass, &ac, sizeof(ac), 0);
if (status != DB_SUCCESS) {
cm_msg(MERROR, "al_trigger_class", "Cannot update alarm class record");
return AL_ERROR_ODB;
}
return AL_SUCCESS;
}
