private static Task DeviceCallback(string message)
{
/* Received command format for DeviceCommand from IOTConnect.Net SDK version < 2.0 */
//{"cpId":"<cpid>","guid":"00000000-0000-0000-0000-000000000000","uniqueId":"<deviceUniqueId>","command":"<Command> Command_Text","value":null,"ack":true,"ackId":"00000000-0000-0000-0000-000000000000"}
/* Received command format for Firmware/OTA update from IOTConnect.Net SDK version < 2.0 */
//{"cpId":"<cpid>","guid":"00000000-0000-0000-0000-000000000000","uniqueId":"<deviceUniqueId>","command":"<Command> OTA_Update_Url","value":null,"ack":false,"ackId":"00000000-0000-0000-0000-000000000000"}
/* Received command format for DeviceCommand from IOTConnect.Net SDK version 2.0 */
//{"cpId":"<cpid>","guid":"00000000-0000-0000-0000-000000000000","uniqueId":"<deviceUniqueId>","command":"<Command> Command_Text","value":null,"ack":true,"ackId":"00000000-0000-0000-0000-000000000000","cmdType": "0x01"}
/* Received command format for Firmware/OTA update from IOTConnect.Net SDK version 2.0 */
//{"cpId":"<cpid>","guid":"00000000-0000-0000-0000-000000000000","uniqueId":"<deviceUniqueId>","command":"<Command>","value":null,"ack":false,"ackId":"00000000-0000-0000-0000-000000000000","cmdType": "0x02","urls": [{"url": "<URL1>"}, {"url": "<URL2>"}]}
//"mt" = 5 - DeviceCommandAck, 11 - OtaAck/FirmwareUpgradeAck
//"st" = 4 - Failed, 6 - ExecutedAck[DeviceCommandAck], 7 - Success[OtaAck/FirmwareUpgradeAck]
try
{
var commandData = JsonConvert.DeserializeObject <CommandData>(message);
DeviceAckModel ackDetails = new DeviceAckModel()
{
AckId = commandData.AcknowledgeId,
ChildId = ""
};
//IOTConnect.Net SDK version < 2.0
bool isOta = (commandData != null && !string.IsNullOrWhiteSpace(commandData.Command) && commandData.Command.StartsWith("<CommandPrefix> ", StringComparison.CurrentCultureIgnoreCase));
//IOTConnect.Net SDK version >= 2.0
isOta = commandData.CommandType.Equals("0x02", StringComparison.CurrentCultureIgnoreCase);
if (isOta)
{
//TODO : download and save ota file from url [commandData.Command]
ackDetails.Msg = "OTA updated successfully.";
ackDetails.Status = 7;
}
else
{
ackDetails.Msg = "Device command received successfully.";
ackDetails.Status = 6;
}
var dataOta = JsonConvert.SerializeObject(ackDetails);
//NOTE: SendAck method have different arguments as per the SDK version. Choose accordingly.
//IOTConnect.Net SDK version < 2.0
//client.SendAck(dataOta, isOta ? 11 : 5);
//IOTConnect.Net SDK version >= 2.0
client.SendAck(dataOta, "2020-02-14T12:19:33.7769262Z", isOta ? 11 : 5);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
return(Task.CompletedTask);
}
