/**
* Moves the device from managed state to unmanaged state
*
* <p>A device uses this request when it no longer needs to be managed. This means IoTF will no
* longer send new device management requests to this device and device management requests from
* this device will be rejected apart from a Manage device request
*
* @return True if the unmanage command is successful
* @throws MqttException
*/
public boolean unmanage() throws MqttException {
final String METHOD = "unmanage";
boolean success = false;
DeviceTopic topic = DeviceTopic.UNMANAGE;
JsonObject jsonPayload = new JsonObject();
JsonObject jsonResponse = sendAndWait(topic, jsonPayload, REGISTER_TIMEOUT_VALUE);
if (jsonResponse != null
&& jsonResponse.get("rc").getAsInt() == ResponseCode.DM_SUCCESS.getCode()) {
success = true;
}
terminate();
DMListener.stop(this);
DMRequestHandler.clearRequestHandlers(this);
this.deviceData.terminateHandlers();
this.supportsDeviceActions = false;
this.supportsFirmwareActions = false;
if (responseSubscription != null) {
this.unsubscribe(this.responseSubscription);
responseSubscription = null;
}
LoggerUtility.log(Level.FINE, CLASS_NAME, METHOD, "Success (" + success + ")");
if (success) {
bManaged = false;
}
return success;
}
/**
* Send a device manage request to IoT Foundation
*
* <p>A device uses this request to become a managed device. It should be the first device
* management request sent by the device after connecting to the Internet of Things Foundation. It
* would be usual for a device management agent to send this whenever is starts or restarts.
*
* <p>This method connects the device to IoT Foundation connect if its not connected already
*
* @param lifetime The length of time in seconds within which the device must send another Manage
* device request. if set to 0, the managed device will not become dormant. When set, the
* minimum supported setting is 3600 (1 hour).
* @return True if successful
* @throws MqttException
*/
public boolean manage(long lifetime) throws MqttException {
final String METHOD = "manage";
LoggerUtility.log(Level.FINE, CLASS_NAME, METHOD, "lifetime value (" + lifetime + ")");
boolean success = false;
DeviceTopic topic = DeviceTopic.MANAGE;
if (!this.isConnected()) {
this.connect();
}
JsonObject jsonPayload = new JsonObject();
if (deviceData.getDeviceInfo() != null || deviceData.getMetadata() != null) {
JsonObject supports = new JsonObject();
supports.add("deviceActions", new JsonPrimitive(this.supportsDeviceActions));
supports.add("firmwareActions", new JsonPrimitive(this.supportsFirmwareActions));
JsonObject data = new JsonObject();
data.add("supports", supports);
if (deviceData.getDeviceInfo() != null) {
data.add("deviceInfo", deviceData.getDeviceInfo().toJsonObject());
}
if (deviceData.getMetadata() != null) {
data.add("metadata", deviceData.getMetadata().getMetadata());
}
data.add("lifetime", new JsonPrimitive(lifetime));
jsonPayload.add("d", data);
} else {
LoggerUtility.log(
Level.SEVERE,
CLASS_NAME,
METHOD,
"Cannot send manage request " + "as either deviceInfo or metadata is not set !!");
return false;
}
JsonObject jsonResponse = sendAndWait(topic, jsonPayload, REGISTER_TIMEOUT_VALUE);
if (jsonResponse != null
&& jsonResponse.get("rc").getAsInt() == ResponseCode.DM_SUCCESS.getCode()) {
DMListener.start(this);
DMRequestHandler.setRequestHandlers(this);
publishQueue = new LinkedBlockingQueue<JsonObject>();
Thread t = new Thread(this);
t.start();
/*
* set the dormant time to a local variable, in case if the connection is
* lost due to n/w interruption, we need to send another manage request
* with the dormant time as the lifetime
*/
if (lifetime > 0) {
Date currentTime = new Date();
dormantTime = new Date(currentTime.getTime() + (lifetime * 1000));
}
success = true;
}
LoggerUtility.log(Level.FINE, CLASS_NAME, METHOD, "Success (" + success + ")");
bManaged = success;
return success;
}