Client Example Code (HU/TBM):
/**********************************************************************************************
* This example code is provided for illustrative purposes only and provided 'AS IS' without
* warranty of any kind.
*
* Copyright ©2014 Chrysler Group LLC. All Rights Reserved. All information contained herein is,
* and remains the property of Chrysler Group LLC and its suppliers, if any. The intellectual and
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* and may be covered by U.S. and Foreign Patents, patents in process, and are protected by trade
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* strictly forbidden unless prior written permission is obtained from Chrysler Group LLC.
*
* Chrysler, Jeep, Dodge, Ram, SRT, Mopar and the Pentastar logo are registered trademarks of
* Chrysler Group LLC. FIAT is a registered trademark of Fiat group Marketing & Corporate
* Communication S.p.A. used under license by Chrysler Group LLC.
*********************************************************************************************/
package com.fca.uconnect.global;
import com.amazonaws.services.iot.client.AWSIotException;
import com.amazonaws.services.iot.client.AWSIotMessage;
import com.amazonaws.services.iot.client.AWSIotMqttClient;
import com.amazonaws.services.iot.client.AWSIotQos;
import com.amazonaws.services.iot.client.AWSIotTopic;
import com.fca.uconnect.global.GlobalUconnectControl.Location;
import com.fca.uconnect.global.GlobalUconnectControl.UconnectAny;
import com.fca.uconnect.global.GlobalUconnectControl.UconnectMessage;
import com.fca.uconnect.global.GlobalUconnectExtTheftAlarmNotify.TheftAlarmNotification;
import com.fca.uconnect.global.GlobalUconnectExtTheftAlarmNotify.TheftAlarmNotification.AlarmCause;
import com.fca.uconnect.global.GlobalUconnectExtTheftAlarmNotify.TheftAlarmNotification.AlarmStatusEnum;
import com.google.protobuf.ByteString;
import com.google.protobuf.ExtensionRegistry;
import com.google.protobuf.InvalidProtocolBufferException;
/**
* This example class demonstrates how to use the AWS IoT mqtt client to send a Uconnect TheftAlarmNotification message to the SDP and wait for a response message.
* This code is only for reference and is furnished without warranty.....
*
* @author FCA Global V2C API Team
*
*/
public class TBMExampleForTheftAlarm {
private String clientId; // The clientId is unique to the device and obtained from the client X.509 certificate CN.
private ByteString sessionId; // The sessionId is assigned by the SDP to maintain a session independent of connection protocols.
private int messageId; // The messageId is a sequential number incremented and assigned to each message sent from the client.
private AWSIotMqttClient mqttClient; // The mqtt client object from the AWS IoT client library.
private boolean receivedResponse = false; // flag to wait for the response as part of this example.
private AWSIotTopic iotTopic; // The Topic object to subscribe for inbound messages.
private ExtensionRegistry extRegistry; // Google protocol buffers extension registry instance.
/**
* Constructor - initialize protocol buffer extension registry for parsing incoming Uconnect Messages.
*/
public TBMExampleForTheftAlarm() {
extRegistry = ExtensionRegistry.newInstance();
extRegistry.add(GlobalUconnectExtTheftAlarmNotify.theftAlarmNotificationResponse);
extRegistry.add(GlobalUconnectExtTheftAlarmNotify.theftAlarmNotification);
}
/**
* This method generates a Protocol Buffer Uconnect Message given the required inputs for TheftAlarmNotification.
* @param alarmCause
* @param vehicleLocation
* @param alarmStatus
* @return
*/
public UconnectMessage getTheftAlarmNotifyMsg(AlarmCause alarmCause,Location vehicleLocation,AlarmStatusEnum alarmStatus){
this.messageId++;
sessionId = ByteString.copyFrom(new byte[18]);
TheftAlarmNotification theftAlarmMsg = TheftAlarmNotification.newBuilder()
.setAlarmCause(alarmCause)
.setAlarmStatusEnum(alarmStatus)
.setVehicleLocation(vehicleLocation)
.setTimeStamp(System.currentTimeMillis())
.build();
UconnectMessage msg = UconnectMessage.newBuilder()
.setTimestamp(System.currentTimeMillis())
.setMessageId(messageId)
.addMessages(UconnectAny.newBuilder().
setExtension(GlobalUconnectExtTheftAlarmNotify.theftAlarmNotification, theftAlarmMsg))
.build();
return msg;
}
/**
* This method demonstrates connecting to the AWS IoT mqtt broker and publishing an TheftAlarmNotification message to the TANF topic.
*/
public void process() {
mqttClient = new AWSIotMqttClient("endpoint", clientId, "awsAccessKeyId", "awsSecretAccessKey");
try {
mqttClient.connect();
iotTopic = new AWSIotTopic(clientId+"/TANF/", AWSIotQos.QOS1) {
public void onMessage(AWSIotMessage msg) {
UconnectMessage msgIn;
try {
msgIn = UconnectMessage.parseFrom(msg.getPayload(),extRegistry);
} catch (InvalidProtocolBufferException e) {
e.printStackTrace();
}
}
};
mqttClient.subscribe(iotTopic);
AlarmCause alarmCause = AlarmCause.newBuilder()
.setIsFLDoorBreached(true)
.setIsVehiclePositionChanged(true)
.build();
Location vehicleLocation = Location.newBuilder()
.setPositionLongitude(43.9999f)
.setPositionLatitude(-84.54635343f)
.build();
UconnectMessage msg = getTheftAlarmNotifyMsg(alarmCause,vehicleLocation,AlarmStatusEnum.ACTIVE);
sendMessage(msg);
} catch (AWSIotException ex) {
System.out.println("Caught AWS Exception "+ex);
ex.printStackTrace();
}
}
/**
* This method publishes the message to TANF topic
*/
public void sendMessage(UconnectMessage msg) {
final byte[] msgOut = msg.toByteArray();
new Thread(new Runnable() {
@Override
public void run() {
try {
AWSIotMessage message = new
MessagePublisherListener("/TANF/"+clientId,AWSIotQos.QOS1,msgOut);
mqttClient.publish(message);
} catch (AWSIotException e) {
System.out.println("Caught Exception "+e);
e.printStackTrace();
}
}
}).start();
}
/**
* Example main to launch example.
*
*/
public static void main(String[] args) {
TBMExampleForTheftAlarm example = new TBMExampleForTheftAlarm();
example.process();
}
}
Here's an example of how Service Connects to AWS IOT MQTT for Theft AlarmNotification topics and process TheftAlarmNotification Request , send Acknowledgement.
Service Example Code (SDP):
package com.fca.uconnect.global;
import com.amazonaws.services.iot.client.AWSIotException;
import com.amazonaws.services.iot.client.AWSIotMessage;
import com.amazonaws.services.iot.client.AWSIotMqttClient;
import com.amazonaws.services.iot.client.AWSIotQos;
import com.amazonaws.services.iot.client.AWSIotTopic;
import com.fca.uconnect.global.GlobalUconnectControl.UconnectMessage;
import com.google.protobuf.ByteString;
import com.google.protobuf.ExtensionRegistry;
public class SDPExampleForTheftAlarm {
private String clientId; // The clientId is unique to the device and obtained from the client X.509 certificate CN.
private ByteString sessionId; // The sessionId is assigned by the SDP to maintain a session independent of connection protocols.
private int messageId; // The messageId is a sequential number incremented and assigned to each message sent from the client.
private AWSIotMqttClient mqttClient; // The mqtt client object from the AWS IoT client library.
private AWSIotTopic iotTopic; // The Topic object to subscribe for inbound messages.
private ExtensionRegistry extRegistry; // Google protocol buffers extension registry instance.
private Semaphore semaphore;//The semaphore object is used to wait for a response.
public SDPExampleForTheftAlarm() {
extRegistry = ExtensionRegistry.newInstance();
extRegistry.add(GlobalUconnectExtTheftAlarmNotify.theftAlarmNotification);
this.semaphore = new Semaphore();
}
public void process() {
mqttClient = new AWSIotMqttClient("endpoint", clientId, "awsAccessKeyId", "awsSecretAccessKey");
try {
mqttClient.connect();
iotTopic = new AWSIotTopic("/TANF/#",AWSIotQos.QOS1){
public void onMessage(AWSIotMessage msg) {
try {
UconnectMessage msgIn = UconnectMessage.parseFrom(msg.getPayload(),extRegistry);
if(msgIn.getMessages(0).hasExtension(GlobalUconnectExtTheftAlarmNotify.theftAlarmNotification)){
semaphore.unlock();
}
} catch( Exception ex) {
ex.printStackTrace();
System.out.println("Err processing message: "+ex+", try parsing Theft Alarm Notification.");
}
}
};
mqttClient.subscribe(iotTopic);
} catch (AWSIotException e) {
System.out.println("Caught Exception "+e);
e.printStackTrace();
}
try {
this.semaphore.lock();// lock thread
} catch (InterruptedException e) {
}
}
public void sendMessage(UconnectMessage msg) {
final byte[] msgOut = msg.toByteArray();
new Thread(new Runnable() {
@Override
public void run() {
try {
AWSIotMessage message = new
MessagePublisherListener(clientId+"/TANF/",AWSIotQos.QOS1,msgOut);
mqttClient.publish(message);
} catch (AWSIotException e) {
System.out.println("Caught Exception "+e);
e.printStackTrace();
}
}
}).start();
}
public static void main(String[] args) {
SDPExampleForTheftAlarm m = new SDPExampleForTheftAlarm();
m.process();
}
}
The example code demonstrates how to connect with AWS IoT for publishing and subscribing to the Theft Alarm Notification topic.
Download Client Example Code here
Download Service Example Code here