int notify(NotifyNotification **notification, int red, int min, int max)
{
if (*notification == NULL)
notifyInit(notification);
unsigned int value = 100 * (red - min) / (max - min);
if (text[0] != '\0') {
if (value > 100) value = 100;
sprintf(text, "%3u%% ", value);
const unsigned int top = 5 + (sizeof(text) - 5 - 1) * value / 100;
for (unsigned int i = 5; i < top; i++)
text[i] = '|';
text[top] = '\0';
value = 0;
}
notify_notification_update(*notification, "Red", text, red == max ? icon_off : icon_on);
notify_notification_set_hint_uint32(*notification, "value", value);
GError *error = NULL;
notify_notification_show(*notification, &error);
if (error) {
g_printerr("ERROR: %s\n", error->message);
g_error_free(error);
return -1;
}
return 0;
}
void dbProcessNotify(processNotify *ppn)
{
struct dbChannel *chan = ppn->chan;
dbCommon *precord = dbChannelRecord(chan);
short dbfType = dbChannelFieldType(chan);
notifyPvt *pnotifyPvt;
/* Must handle DBF_XXXLINKs as special case.
* Only dbPutField will change link fields.
* Also the record is not processed as a result
*/
ppn->status = notifyOK;
ppn->wasProcessed = 0;
if (dbfType>=DBF_INLINK && dbfType<=DBF_FWDLINK) {
if (ppn->requestType == putProcessRequest ||
ppn->requestType == putProcessGetRequest) {
/* Check if puts disabled */
if (precord->disp && (dbChannelField(ppn->chan) != (void *) &precord->disp)) {
ppn->putCallback(ppn, putDisabledType);
} else {
ppn->putCallback(ppn, putFieldType);
}
}
if (ppn->requestType == processGetRequest ||
ppn->requestType == putProcessGetRequest) {
ppn->getCallback(ppn, getFieldType);
}
ppn->doneCallback(ppn);
return;
}
dbScanLock(precord);
epicsMutexMustLock(pnotifyGlobal->lock);
pnotifyPvt = (notifyPvt *) ppn->pnotifyPvt;
if (pnotifyPvt && (pnotifyPvt->magic != MAGIC)) {
printf("dbPutNotify:pnotifyPvt was not initialized\n");
pnotifyPvt = 0;
}
if (pnotifyPvt) {
assert(pnotifyPvt->state == notifyUserCallbackActive);
pnotifyPvt->userCallbackWait = 1;
epicsMutexUnlock(pnotifyGlobal->lock);
dbScanUnlock(precord);
epicsEventWait(pnotifyPvt->userCallbackEvent);
dbScanLock(precord);
epicsMutexMustLock(pnotifyGlobal->lock);
notifyCleanup(ppn);
}
pnotifyPvt = (notifyPvt *) ppn->pnotifyPvt;
assert(!pnotifyPvt);
notifyInit(ppn);
pnotifyPvt = (notifyPvt *) ppn->pnotifyPvt;
if (!precord->ppnr) {
/* make sure record has a processNotifyRecord*/
precord->ppnr = dbCalloc(1, sizeof(processNotifyRecord));
precord->ppnr->precord = precord;
ellInit(&precord->ppnr->restartList);
}
processNotifyCommon(ppn, precord);
}
int main(int argc, char **argv)
{
PFWatchdogRegister (argc, argv, EPFWD_MODE_REBOOT, 30);
notifyInit();
configEventInit();
configInit(PFCONFIG_NAME);
run();
configEventExit();
notifyExit();
configUpdate(1);
PFWatchdogUnregister ();
return 0;
}
void processMessages(int sock)
{
const int sz = strlen(command) + BUFFER_SIZE;
struct sockaddr_in cli_addr;
char buffer[sz];
char arg[BUFFER_SIZE];
int red = RED_MAX;
NotifyNotification *notification = NULL;
while(1) {
socklen_t clilen = sizeof(cli_addr);
int newsock = accept(sock, (struct sockaddr *)&cli_addr, &clilen);
if (newsock < 0)
die("Cannot accept connection");
int n = read(newsock, arg, BUFFER_SIZE);
if (n < 0)
die("Cannot read from socket");
else if (n == 0)
break;
arg[n] = '\0';
int num = getRed(arg, red, RED_MIN, RED_MAX);
if (snprintf(buffer, sz, command, num) > 0) {
red = num;
system(buffer);
// FIXME: Sometimes gives error:
// GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name :1.167 was not provided by any .service files
if (notify(¬ification, red, RED_MIN, RED_MAX) == -1) {
notifyUninit(¬ification);
notifyInit(¬ification);
notify(¬ification, red, RED_MIN, RED_MAX);
}
}
close(newsock);
};
notifyUninit(¬ification);
}