//Repeatedly read telemetry data from server using an HTTP GET request and update notification data
IEnumerator GetTelemetryData()
{
while (true)
{
string numericalStr = "blank:blank", switchStr = "blank:blank", jsonStr = "blank:blank";
//Get numerical data
using (UnityWebRequest www1 = UnityWebRequest.Get(numericalDataURL))
{
yield return(www1.Send());
if (www1.isError)
{
numericalServerConnErr = true;
Debug.Log(www1.error);
}
else
{
numericalServerConnErr = false;
numericalStr = www1.downloadHandler.text;
numericalStr = numericalStr.Trim();
}
}
//Get switch data
using (UnityWebRequest www2 = UnityWebRequest.Get(switchDataURL))
{
yield return(www2.Send());
if (www2.isError)
{
switchServerConnErr = true;
Debug.Log(www2.error);
}
else
{
switchServerConnErr = false;
switchStr = www2.downloadHandler.text;
switchStr = switchStr.Trim();
}
}
//Parse and update notifications if valid connections to servers exist
//Note that BOTH connections must be working for any updates to occur
//TODO: if one server goes down, figure out how to only update notifications from the other server
if (!switchServerConnErr && !numericalServerConnErr)
{
jsonStr = numericalStr.Substring(1, numericalStr.Length - 3) + "," + switchStr.Substring(2, switchStr.Length - 3);
JSONData jsonData = JSONData.CreateFromJSON(jsonStr);
UpdateNotificationsArray(jsonData);
}
//Clear notifications
foreach (Transform child in notificationsPanel.transform)
{
Destroy(child.gameObject);
}
//Clear right panel text
foreach (Transform child in textPanel.transform)
{
Destroy(child.gameObject);
}
//Create new notifications
//Special notifications for server communication failure appear first (if any)
SwitchData switchConnNotification, numConnNotification;
int index = 0;
if (switchServerConnErr)
{
switchConnNotification = new SwitchData("Switch server connection", "false", false);
CreateTelemetryNotification(switchConnNotification, index);
++index;
}
if (numericalServerConnErr)
{
numConnNotification = new SwitchData("Telemetry server connection", "false", false);
CreateTelemetryNotification(numConnNotification, index);
++index;
}
for (; index < MAX_NOTIFICATIONS; ++index)
{
if (notificationsList[index] == null)
{
break; //hit end of list early
}
if (notificationsList[index].severity == Severity.NOMINAL)
{
break; //only show errors and warnings
}
CreateTelemetryNotification(notificationsList[index], index);
}
//Update notification icon
Severity notifySeverity = notificationsList[0].severity; //there should always be something in index 0, even if server is down
if (switchServerConnErr || numericalServerConnErr)
{
notifySeverity = Severity.CRITICAL;
}
String notifyIconPath = String.Format("Icons/notify-{0}", notifySeverity.ToString());
Sprite notifyIcon = Resources.Load <Sprite>(notifyIconPath);
notifyImage.GetComponent <Image>().sprite = notifyIcon;
//Update notification count
int numNotifications = (NUM_NUMERICAL + NUM_SWITCH + NUM_TIMER) - notificationsList.FindAll(x => x.severity == Severity.NOMINAL).Count;
if (numNotifications == 0)
{
notificationCountText.SetActive(false);
}
else
{
notificationCountText.SetActive(true);
notificationCountText.GetComponentInChildren <Text>().text = "" + numNotifications;
}
/*
* if (notifySeverity == Severity.CRITICAL)
* {
* notifyImage.GetComponent<AudioSource>().Play();
* }
* else
* {
* notifyImage.GetComponent<AudioSource>().Stop();
* }
*/
//Create telemetry text for right panel
CreateTelemetryTextHeaders();
for (int j = 0; j < numericalTextList.Count; ++j)
{
CreateTelemetryText(numericalTextList[j], j, TelemetryType.NUMERICAL);
}
for (int k = 0; k < switchTextList.Count; ++k)
{
CreateTelemetryText(switchTextList[k], k, TelemetryType.SWITCH);
}
for (int m = 0; m < timerTextList.Count; ++m)
{
CreateTelemetryText(timerTextList[m], m, TelemetryType.TIMER);
}
//Get pressure, oxygen, temperature, and battery data
NumericalData suit_pressure = numericalTextList[SUIT_PRESSURE_INDEX];
NumericalData oxygen_pressure = numericalTextList[OXYGEN_INDEX];
NumericalData temperature = numericalTextList[TEMPERATURE_INDEX];
TimerData battery = timerTextList[BATTERY_INDEX];
//Update the pressure, oxygen, temperature, and battery icons and text
if (suit_pressure != null)
{
String pressureIconPath = String.Format("Icons/suit-{0}", suit_pressure.severity.ToString());
Sprite pressureIcon = Resources.Load <Sprite>(pressureIconPath);
pressureImage.sprite = pressureIcon;
pressureText.GetComponentInChildren <Text>().text = suit_pressure.value + " " + suit_pressure.units;
}
if (oxygen_pressure != null)
{
String oxygenIconPath = String.Format("Icons/oxygen-{0}", oxygen_pressure.severity.ToString());
Sprite oxygenIcon = Resources.Load <Sprite>(oxygenIconPath);
oxygenImage.sprite = oxygenIcon;
oxygenText.GetComponentInChildren <Text>().text = oxygen_pressure.value + " " + oxygen_pressure.units;
}
if (temperature != null)
{
String temperatureIconPath = String.Format("Icons/temperature-{0}", temperature.severity.ToString());
Sprite temperatureIcon = Resources.Load <Sprite>(temperatureIconPath);
temperatureImage.sprite = temperatureIcon;
temperatureText.GetComponentInChildren <Text>().text = temperature.value + " " + temperature.units;
}
if (battery != null)
{
String batteryIconPath = String.Format("Icons/battery-{0}", battery.severity.ToString());
Sprite batteryIcon = Resources.Load <Sprite>(batteryIconPath);
batteryImage.sprite = batteryIcon;
}
//Update pressure and oxygen arrows if they have values
//If null, the arrows won't change their rotation
if (suit_pressure != null)
{
double pressureAngle = ValueToDegrees(suit_pressure);
pressureArrow.GetComponent <RectTransform>().rotation = Quaternion.Euler(0, 0, (float)pressureAngle);
}
if (oxygen_pressure != null)
{
double oxygenAngle = ValueToDegrees(oxygen_pressure);
oxygenArrow.GetComponent <RectTransform>().rotation = Quaternion.Euler(0, 0, (float)oxygenAngle);
}
//Wait before pulling data again
yield return(new WaitForSecondsRealtime((float)REFRESH_RATE));
}
}