void mscb_define(char *submaster, char *equipment, char *devname, DEVICE_DRIVER *driver,
int address, unsigned char var_index, char *name, double threshold)
{
int i, dev_index, chn_index, chn_total;
char str[256];
float f_threshold;
HNDLE hDB;
cm_get_experiment_database(&hDB, NULL);
//printf(hDB+"\n");
if (submaster && submaster[0]) {
sprintf(str, "/Equipment/%s/Settings/Devices/%s/Device", equipment, devname);
db_set_value(hDB, 0, str, submaster, 32, 1, TID_STRING);
sprintf(str, "/Equipment/%s/Settings/Devices/%s/Pwd", equipment, devname);
db_set_value(hDB, 0, str, "mscb174", 32, 1, TID_STRING);
}
/* find device in device driver */
for (dev_index=0 ; driver[dev_index].name[0] ; dev_index++)
if (equal_ustring(driver[dev_index].name, devname))
break;
if (!driver[dev_index].name[0]) {
cm_msg(MERROR, "Device \"%s\" not present in device driver list", devname);
return;
}
/* count total number of channels */
for (i=chn_total=0 ; i<=dev_index ; i++)
chn_total += driver[i].channels;
chn_index = driver[dev_index].channels;
sprintf(str, "/Equipment/%s/Settings/Devices/%s/MSCB Address", equipment, devname);
db_set_value_index(hDB, 0, str, &address, sizeof(int), chn_index, TID_INT, TRUE);
sprintf(str, "/Equipment/%s/Settings/Devices/%s/MSCB Index", equipment, devname);
db_set_value_index(hDB, 0, str, &var_index, sizeof(char), chn_index, TID_BYTE, TRUE);
if (threshold != -1) {
sprintf(str, "/Equipment/%s/Settings/Update Threshold", equipment);
f_threshold = (float) threshold;
db_set_value_index(hDB, 0, str, &f_threshold, sizeof(float), chn_total, TID_FLOAT, TRUE);
}
if (name && name[0]) {
sprintf(str, "/Equipment/%s/Settings/Names Input", equipment);
db_set_value_index(hDB, 0, str, name, 32, chn_total, TID_STRING, TRUE);
}
/* increment number of channels for this driver */
driver[dev_index].channels++;
}
int main()
{
int status, size;
HNDLE hDB, hKey;
/* connect to experiment */
status = cm_connect_experiment("", "", "ODBTest", NULL);
if (status != CM_SUCCESS)
return 1;
/* get handle to online database */
cm_get_experiment_database(&hDB, &hKey);
/* read key "runinfo/run number" */
size = sizeof(run_number);
status =
db_get_value(hDB, 0, "/runinfo/run number", &run_number, &size, TID_INT, TRUE);
if (status != DB_SUCCESS) {
printf("Cannot read run number");
return 0;
}
printf("Current run number is %d\n", run_number);
/* set new run number */
run_number++;
db_set_value(hDB, 0, "/runinfo/run number", &run_number, size, 1, TID_INT);
/* now open run_number with automatic updates */
db_find_key(hDB, 0, "/runinfo/run number", &hKey);
db_open_record(hDB, hKey, &run_number, sizeof(run_number),
MODE_READ, run_number_changed, NULL);
printf("Waiting for run number to change. Hit RETURN to abort\n");
do {
cm_yield(1000);
} while (!ss_kbhit());
db_close_record(hDB, hKey);
/* disconnect from experiment */
cm_disconnect_experiment();
return 1;
}
INT readout(char* pevent, INT off)
{
DWORD *pdata;
bk_init32(pevent);
bk_create(pevent,"INPT",TID_DWORD,&pdata);
int val = 98;
HNDLE hDB;
HNDLE hKey;
INT size;
cm_get_experiment_database(&hDB,NULL);
db_find_key(hDB,0,"/Equipment/Environment 2/Variables/Secret",&hKey);
size = sizeof(val);
db_get_data(hDB,hKey,&val,&size,TID_INT);
*pdata++ = val;
struct timeval t;
int status;
status = gettimeofday(&t,NULL);
printf(" t_tv.sec: %d",t.tv_sec);
printf(" ro: val is %d",val);
val++;
db_set_value(hDB,0,"/Equipment/Environment 2/Variables/Secret",&val,sizeof(val),1,TID_INT);
bk_close(pevent,pdata);
return bk_size(pevent);
}
/**
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;
}
/**
Trigger a certain alarm.
\code ...
lazy.alarm[0] = 0;
size = sizeof(lazy.alarm);
db_get_value(hDB, pLch->hKey, "Settings/Alarm Class", lazy.alarm, &size, TID_STRING, TRUE);
// trigger alarm if defined
if (lazy.alarm[0])
al_trigger_alarm("Tape", "Tape full...load new one!", lazy.alarm, "Tape full", AT_INTERNAL);
...
\endcode
@param alarm_name Alarm name, defined in /alarms/alarms
@param alarm_message Optional message which goes with alarm
@param default_class If alarm is not yet defined under
/alarms/alarms/\<alarm_name\>, a new one
is created and this default class is used.
@param cond_str String displayed in alarm condition
@param type Alarm type, one of AT_xxx
@return AL_SUCCESS, AL_INVALID_NAME
*/
INT al_trigger_alarm(const char *alarm_name, const char *alarm_message, const char *default_class, const char *cond_str, INT type)
{
if (rpc_is_remote())
return rpc_call(RPC_AL_TRIGGER_ALARM, alarm_name, alarm_message, default_class, cond_str, type);
#ifdef LOCAL_ROUTINES
{
int status, size;
HNDLE hDB, hkeyalarm, hkey;
char str[256];
ALARM a;
BOOL flag;
ALARM_ODB_STR(alarm_odb_str);
cm_get_experiment_database(&hDB, NULL);
/* 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;
/* find alarm */
sprintf(str, "/Alarms/Alarms/%s", alarm_name);
db_find_key(hDB, 0, str, &hkeyalarm);
if (!hkeyalarm) {
/* alarm must be an internal analyzer alarm, so create a default alarm */
status = db_create_record(hDB, 0, str, strcomb(alarm_odb_str));
db_find_key(hDB, 0, str, &hkeyalarm);
if (!hkeyalarm) {
cm_msg(MERROR, "al_trigger_alarm", "Cannot create alarm record");
return AL_ERROR_ODB;
}
if (default_class && default_class[0])
db_set_value(hDB, hkeyalarm, "Alarm Class", default_class, 32, 1, TID_STRING);
status = TRUE;
db_set_value(hDB, hkeyalarm, "Active", &status, sizeof(status), 1, TID_BOOL);
}
/* set parameters for internal alarms */
if (type != AT_EVALUATED && type != AT_PERIODIC) {
db_set_value(hDB, hkeyalarm, "Type", &type, sizeof(INT), 1, TID_INT);
strcpy(str, cond_str);
db_set_value(hDB, hkeyalarm, "Condition", str, 256, 1, TID_STRING);
}
size = sizeof(a);
status = db_get_record(hDB, hkeyalarm, &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, hkeyalarm, "", strcomb(alarm_odb_str), TRUE);
size = sizeof(a);
status = db_get_record(hDB, hkeyalarm, &a, &size, 0);
if (status != DB_SUCCESS) {
cm_msg(MERROR, "al_trigger_alarm", "Cannot get alarm record");
return AL_ERROR_ODB;
}
}
/* if internal alarm, check if active and check interval */
if (a.type != AT_EVALUATED && a.type != AT_PERIODIC) {
/* 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;
if (!a.active)
return AL_SUCCESS;
if ((INT) ss_time() - (INT) a.checked_last < a.check_interval)
return AL_SUCCESS;
/* now the alarm will be triggered, so save time */
a.checked_last = ss_time();
}
/* write back alarm message for internal alarms */
if (a.type != AT_EVALUATED && a.type != AT_PERIODIC) {
strncpy(a.alarm_message, alarm_message, 79);
a.alarm_message[79] = 0;
}
/* now trigger alarm class defined in this alarm */
if (a.alarm_class[0])
al_trigger_class(a.alarm_class, alarm_message, a.triggered > 0);
/* check for and trigger "All" class */
if (db_find_key(hDB, 0, "/Alarms/Classes/All", &hkey) == DB_SUCCESS)
al_trigger_class("All", alarm_message, a.triggered > 0);
/* signal alarm being triggered */
cm_asctime(str, sizeof(str));
if (!a.triggered)
strcpy(a.time_triggered_first, str);
a.triggered++;
strcpy(a.time_triggered_last, str);
a.checked_last = ss_time();
status = db_set_record(hDB, hkeyalarm, &a, sizeof(a), 0);
if (status != DB_SUCCESS) {
cm_msg(MERROR, "al_trigger_alarm", "Cannot update alarm record");
return AL_ERROR_ODB;
}
}
#endif /* LOCAL_ROUTINES */
return AL_SUCCESS;
}
INT ge_ln2_read(char *pevent, INT off) {
static INT status, size;
static DWORD lastfilled, now, timelimit;
static BOOL justfilled;
static DWORD *timesincefill;
bk_init(pevent);
timesincefill = NULL;
// Get recent values
size = sizeof(lastfilled);
status = db_get_value(hDB, 0, sLastFilled, &lastfilled, &size, TID_DWORD, FALSE);
if (status != DB_SUCCESS) {
cm_msg(MERROR, "ge_ln2_read", "Error getting last filled time");
return 0;
}
size = sizeof(justfilled);
status = db_get_value(hDB, 0, sJustFilled, &justfilled, &size, TID_BOOL, FALSE);
if (status != DB_SUCCESS) {
cm_msg(MERROR, "ge_ln2_read", "Error getting just filled status");
return 0;
}
size = sizeof(timelimit);
status = db_get_value(hDB, 0, sTimeLimit, &timelimit, &size, TID_DWORD, FALSE);
if (status != DB_SUCCESS) {
cm_msg(MERROR, "ge_ln2_read", "Error getting time limit between fills");
return 0;
}
// If just filled, write time to ODB
if (justfilled == TRUE) {
lastfilled = (DWORD)time(NULL);
status = db_set_value(hDB, 0, sLastFilled, &lastfilled, sizeof(lastfilled), 1, TID_DWORD);
if (status != DB_SUCCESS) {
cm_msg(MERROR, "gn_ln2_read", "Error setting last filled time");
return 0;
}
justfilled = FALSE;
status = db_set_value(hDB, 0, sJustFilled, &justfilled, sizeof(justfilled), 1, TID_BOOL);
if (status != DB_SUCCESS) {
cm_msg(MERROR, "gn_ln2_read", "Error setting just filled status");
return 0;
}
al_reset_alarm(sAlarmName);
bk_create(pevent, "LN2F", TID_DWORD, ×incefill);
*timesincefill = 0;
bk_close(pevent, ++timesincefill);
return bk_size(pevent);
}
// Check the status
bk_create(pevent, "LN2F", TID_DWORD, ×incefill);
now = (DWORD) time(NULL);
*timesincefill = now - lastfilled;
if (*timesincefill > timelimit) {
al_trigger_alarm(sAlarmName, "Germanium must be filled!", "Alarm", "", AT_INTERNAL);
printf("Alarm!\n");
}
bk_close(pevent, ++timesincefill);
return bk_size(pevent);
}
INT frontend_init() {
INT status;
BOOL default_justfilled = FALSE; // Assuming the worst
DWORD default_lastfilled = 0; // Assuming the worst
DWORD default_timelimit = 28000; // 8 hours between fills
// Get handles to database keys if they exist,
// and create otherwise with default worst-case-scenario values
status = cm_get_experiment_database(&hDB, NULL);
if (status != CM_SUCCESS) {
printf("Warning: Could not connect to ODB database!\n");
return FE_ERR_HW;
}
status = db_find_key(hDB, 0, sLastFilled, &kLastFilled);
if (status == DB_NO_KEY) {
db_create_key(hDB, 0, sLastFilled, TID_DWORD);
db_find_key(hDB, 0, sLastFilled, &kLastFilled);
status = db_set_value(hDB, 0, sLastFilled, &default_lastfilled, sizeof(default_lastfilled), 1, TID_DWORD);
}
if (status != DB_SUCCESS) {
printf("Warning: Could not access key %s!\n", sLastFilled);
return FE_ERR_HW;
}
status = db_find_key(hDB, 0, sJustFilled, &kJustFilled);
if (status == DB_NO_KEY) {
db_create_key(hDB, 0, sJustFilled, TID_BOOL);
db_find_key(hDB, 0, sJustFilled, &kJustFilled);
status = db_set_value(hDB, 0, sJustFilled, &default_justfilled, sizeof(default_justfilled), 1, TID_BOOL);
}
if (status != DB_SUCCESS) {
printf("Warning: Could not access key %s!\n", sJustFilled);
return FE_ERR_HW;
}
status = db_find_key(hDB, 0, sTimeLimit, &kTimeLimit);
if (status == DB_NO_KEY) {
db_create_key(hDB, 0, sTimeLimit, TID_DWORD);
db_find_key(hDB, 0, sTimeLimit, &kTimeLimit);
status = db_set_value(hDB, 0, sTimeLimit, &default_timelimit, sizeof(default_timelimit), 1, TID_DWORD);
}
if (status != DB_SUCCESS) {
printf("Warning: Could not access key %s!\n", sTimeLimit);
return FE_ERR_HW;
}
/*
// Check if alarm exists and, if not,create it
// Copied from midas.c which should take care of this, but doesn't
char str[256];
sprintf(str, "/Alarms/Alarms/%s", sAlarmName);
db_find_key(hDB, 0, str, &kAlarm);
if (!kAlarm) {
ALARM_ODB_STR(alarm_odb_str); // The initial "run number too large" settings for a default alarm
status = db_create_record(hDB, 0, str, strcomb(alarm_odb_str));
db_find_key(hDB, 0, str, &kAlarm);
if (!kAlarm) {
cm_msg(MERROR, "ge_ln2_init", "Cannot create alarm record");
return FE_ERR_HW;
}
BOOL al_active = TRUE; // Alarm should be on
INT al_type = AT_EVALUATED; // Alarm type is evaluated; it looks for a certain ODB value to be too large
char al_cond[256] = ""; // Not a "conditional" alarm in the MIDAS sense
char al_class[32] = "Alarm"; // When triggered, the alarm will have black letters on red background
char al_msg[80] = "Germanium must be filled!"; // Message on banner
db_set_value(hDB, kAlarm, "Active", &al_active, sizeof(al_active), 1, TID_BOOL);
db_set_value(hDB, kAlarm, "Type", &al_type, sizeof(al_type), 1, TID_INT);
db_set_value(hDB, kAlarm, "Condition", al_cond, sizeof(al_cond), 1, TID_STRING);
db_set_value(hDB, kAlarm, "Alarm Class", al_class, sizeof(al_class), 1, TID_STRING);
db_set_value(hDB, kAlarm, "Alarm Message", al_msg, sizeof(al_msg), 1, TID_STRING);
}
*/
return CM_SUCCESS;
}
