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);
}
async Task <bool> DoFindCloudlet()
{
bool ok = false;
MatchingEngine dme = mexSample.dme;
FindCloudletReply reply = null;
try
{
var deviceSourcedLocation = await LocationService.RetrieveLocation();
if (deviceSourcedLocation == null)
{
Debug.Log("FindCloudlet must have a device sourced location to send.");
return(false);
}
Debug.Log("Device sourced location: Lat: " + deviceSourcedLocation.latitude + " Long: " + deviceSourcedLocation.longitude);
var findCloudletRequest = dme.CreateFindCloudletRequest(
mexSample.carrierName,
mexSample.devName,
mexSample.appName,
mexSample.appVers,
deviceSourcedLocation);
if (findCloudletRequest == null)
{
Debug.Log("Failed to create request.");
ok = false;
return(ok);
}
reply = await dme.FindCloudlet(mexSample.host, mexSample.port, findCloudletRequest);
statusContainer.Post("FindCloudlet Reply status: " + reply.status);
}
catch (System.Net.WebException we)
{
Console.WriteLine(we.StackTrace);
statusContainer.Post(we.Source + ", WebException: " + we.Message);
statusContainer.Post(we.StackTrace);
}
finally
{
if (reply != null)
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(FindCloudletReply));
MemoryStream ms = new MemoryStream();
serializer.WriteObject(ms, reply);
string jsonStr = Util.StreamToString(ms);
statusContainer.Post("GPS Cloudlet location: " + jsonStr + ", fqdn: " + reply.fqdn);
// The list of registered edge cloudlets that the app can use:
if (reply.ports.Length == 0)
{
statusContainer.Post("There are no app ports for this app's edge cloudlets.");
}
else
{
statusContainer.Post("Cloudlet app ports:");
foreach (var appPort in reply.ports)
{
statusContainer.Post(
"Protocol: " + appPort.proto +
", internal_port: " + appPort.internal_port +
", public_port: " + appPort.public_port +
", path_prefix: " + appPort.path_prefix +
", fqdn_prefix: " + appPort.fqdn_prefix
);
}
}
}
}
return(ok);
}