public async Task <FindCloudletReply> FindCloudlet()
{
// Location is ephemeral, so retrieve a new location from the platform. May return 0,0 which is
// technically valid, though less likely real, as of writing.
Loc loc = await GetLocationFromDevice();
// If MEX is reachable on your SIM card:
string aCarrierName = GetCarrierName();
string eCarrierName;
if (me.useOnlyWifi) // There's no host (PC, UnityEditor, etc.)...
{
eCarrierName = carrierName;
}
else
{
if (aCarrierName == "" || aCarrierName == null)
{
Debug.Log("Missing CarrierName for FindCloudlet.");
return(null);
}
eCarrierName = aCarrierName;
}
FindCloudletRequest req = me.CreateFindCloudletRequest(eCarrierName, loc);
FindCloudletReply reply = await me.FindCloudlet(req);
return(reply);
}
/// <summary>
/// Wrapper for FindCloudlet. Will find the "nearest" cloudlet hosting the application backend
/// To use Performance mode. Call UseFindCloudletPerformanceMode(true)
/// </summary>
/// <returns>FindCloudletReply Task</returns>
public async Task <bool> FindCloudlet(string dmeHost = null, uint dmePort = 0)
{
latestFindCloudletReply = null;
if (!latestRegisterStatus)
{
throw new FindCloudletException("Last RegisterClient was unsuccessful. Call RegisterClient again before FindCloudlet");
}
try
{
if (fallbackLocation.Longitude == 0 && fallbackLocation.Latitude == 0)
{
LocationFromIPAddress locationFromIP = await GetLocationFromIP();
fallbackLocation = new Location(locationFromIP.longitude, locationFromIP.latitude);
}
await UpdateLocationAndCarrierInfo();
}
catch (CarrierInfoException cie)
{
Debug.LogError("MobiledgeX: FindCloudlet CarrierInfoException: " + cie.Message);
throw new FindCloudletException(cie.Message);
}
FindCloudletReply reply = null;
try
{
if (location == null)
{
throw new FindCloudletException("Location must not be null!");
}
Logger.Log("FindCloudlet Location: " + location.longitude + ", lat: " + location.latitude);
FindCloudletRequest req = matchingEngine.CreateFindCloudletRequest(location, "");
if (dmeHost != null && dmePort != 0)
{
Logger.Log("Doing FindCloudlet with DME: " + dmeHost + ", p: " + dmePort + " with req: " + req);
reply = await matchingEngine.FindCloudlet(dmeHost, dmePort, req, mode);
}
else
{
if (!useSelectedRegionInProduction)
{
#if UNITY_EDITOR
Logger.Log("Doing FindCloudlet with DME: " + region + ", p: " + MatchingEngine.defaultDmeRestPort + " with req: " + req);
Logger.LogWarning("Region Selection will work only in UnityEditor not on Mobile Devices");
reply = await matchingEngine.FindCloudlet(region, MatchingEngine.defaultDmeRestPort, req);
#else
Logger.Log("Doing FindCloudlet, with req: " + req);
reply = await matchingEngine.FindCloudlet(req, mode);
#endif
}
else
{
Logger.Log("Doing FindCloudlet with DME: " + region + ", p: " + MatchingEngine.defaultDmeRestPort + " with req: " + req);
reply = await matchingEngine.FindCloudlet(region, MatchingEngine.defaultDmeRestPort, req, mode);
}
}
}
catch (HttpException httpe)
{
throw new FindCloudletException("FindCloudlet Exception: " + httpe.Message + ", HTTP StatusCode: " + httpe.HttpStatusCode + ", API ErrorCode: " + httpe.ErrorCode + "\nStack: " + httpe.StackTrace);
}
catch (Exception e)
{
throw new FindCloudletException("FindCloudletException Type: " + e.GetType() + ", Message: " + e.Message + ", InnerException : " + e.InnerException + "\nStack: " + e.StackTrace);
}
finally
{
if (reply == null)
{
throw new FindCloudletException("FindCloudletReply returned null. Make Sure you created App Instances for your Application and they are deployed in the correct region.");
}
if (reply.status != FindCloudletReply.FindStatus.FIND_FOUND)
{
throw new FindCloudletException("Unable to findCloudlet. Status is " + reply.status);
}
}
Logger.Log("FindCloudlet with DME result: " + reply.status);
latestFindCloudletReply = reply;
latestAppPortList = reply.ports;
return(reply.status == FindCloudletReply.FindStatus.FIND_FOUND);
}
