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@ -22,17 +22,26 @@ import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.eclipse.paho.client.mqttv3.MqttException;
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import org.eclipse.paho.client.mqttv3.MqttMessage;
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import org.wso2.carbon.apimgt.application.extension.APIManagementProviderService;
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import org.wso2.carbon.apimgt.application.extension.dto.ApiApplicationKey;
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import org.wso2.carbon.apimgt.application.extension.exception.APIManagerException;
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import org.wso2.carbon.base.MultitenantConstants;
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import org.wso2.carbon.context.PrivilegedCarbonContext;
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import org.wso2.carbon.device.mgt.common.Device;
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import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
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import org.wso2.carbon.device.mgt.common.DeviceManagementException;
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import org.wso2.carbon.device.mgt.core.service.DeviceManagementProviderService;
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import org.wso2.carbon.device.mgt.iot.controlqueue.mqtt.MqttConfig;
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import org.wso2.carbon.device.mgt.iot.raspberrypi.service.impl.util.APIUtil;
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import org.wso2.carbon.device.mgt.iot.raspberrypi.service.impl.util.RaspberrypiServiceUtils;
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import org.wso2.carbon.device.mgt.iot.raspberrypi.plugin.constants.RaspberrypiConstants;
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import org.wso2.carbon.device.mgt.iot.sensormgt.SensorDataManager;
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import org.wso2.carbon.device.mgt.iot.transport.TransportHandlerException;
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import org.wso2.carbon.device.mgt.iot.transport.mqtt.MQTTTransportHandler;
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import org.wso2.carbon.identity.jwt.client.extension.JWTClient;
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import org.wso2.carbon.identity.jwt.client.extension.dto.AccessTokenInfo;
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import org.wso2.carbon.identity.jwt.client.extension.exception.JWTClientException;
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import org.wso2.carbon.user.api.UserStoreException;
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import org.wso2.carbon.utils.multitenancy.MultitenantUtils;
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import java.util.Calendar;
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@ -41,6 +50,8 @@ import java.util.UUID;
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public class RaspberryPiMQTTConnector extends MQTTTransportHandler {
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private static Log log = LogFactory.getLog(RaspberryPiMQTTConnector.class);
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private static final String subscribeTopic = "wso2/" + RaspberrypiConstants.DEVICE_TYPE + "/+/publisher";
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private static final String KEY_TYPE = "PRODUCTION";
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private static final String EMPTY_STRING = "";
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private static final String iotServerSubscriber = UUID.randomUUID().toString().substring(0, 5);
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@ -54,25 +65,42 @@ public class RaspberryPiMQTTConnector extends MQTTTransportHandler {
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Runnable connector = new Runnable() {
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public void run() {
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while (!isConnected()) {
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try {
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String brokerUsername = MqttConfig.getInstance().getMqttQueueUsername();
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String brokerPassword = MqttConfig.getInstance().getMqttQueuePassword();
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setUsernameAndPassword(brokerUsername, brokerPassword);
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PrivilegedCarbonContext.startTenantFlow();
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PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantDomain(
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RaspberrypiConstants.DEVICE_TYPE_PROVIDER_DOMAIN, true);
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try {
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String applicationUsername = PrivilegedCarbonContext.getThreadLocalCarbonContext().getUserRealm()
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.getRealmConfiguration().getAdminUserName();
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PrivilegedCarbonContext.getThreadLocalCarbonContext().setUsername(applicationUsername);
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APIManagementProviderService apiManagementProviderService = APIUtil.getAPIManagementProviderService();
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String[] tags = {RaspberrypiConstants.DEVICE_TYPE};
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ApiApplicationKey apiApplicationKey = apiManagementProviderService.generateAndRetrieveApplicationKeys(
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RaspberrypiConstants.DEVICE_TYPE, tags, KEY_TYPE, applicationUsername, true);
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JWTClient jwtClient = APIUtil.getJWTClientManagerService().getJWTClient();
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String scopes = "device_type_" + RaspberrypiConstants.DEVICE_TYPE + " device_mqtt_connector";
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AccessTokenInfo accessTokenInfo = jwtClient.getAccessToken(apiApplicationKey.getConsumerKey(),
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apiApplicationKey.getConsumerSecret(), applicationUsername, scopes);
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//create token
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String accessToken = accessTokenInfo.getAccessToken();
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setUsernameAndPassword(accessToken, EMPTY_STRING);
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connectToQueue();
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} catch (TransportHandlerException e) {
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log.error("Connection to MQTT Broker at: " + mqttBrokerEndPoint + " failed", e);
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try {
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Thread.sleep(timeoutInterval);
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} catch (InterruptedException ex) {
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log.error("MQTT-Connector: Thread Sleep Interrupt Exception.", ex);
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}
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}
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try {
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subscribeToQueue();
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} catch (TransportHandlerException e) {
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log.warn("Subscription to MQTT Broker at: " + mqttBrokerEndPoint + " failed", e);
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}
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} catch (TransportHandlerException e) {
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log.error("Connection/Subscription to MQTT Broker at: " + mqttBrokerEndPoint + " failed", e);
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try {
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Thread.sleep(timeoutInterval);
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} catch (InterruptedException ex) {
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log.error("MQTT-Connector: Thread Sleep Interrupt Exception.", ex);
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}
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} catch (JWTClientException e) {
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log.error("Failed to retrieve token from JWT Client.", e);
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} catch (UserStoreException e) {
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log.error("Failed to retrieve the user.", e);
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} catch (APIManagerException e) {
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log.error("Failed to create an application and generate keys.", e);
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} finally {
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PrivilegedCarbonContext.endTenantFlow();
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}
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}
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}
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};
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ayyoob
9 years ago