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
* technical concepts contained herein are proprietary to Chrysler Group LLC and its suppliers
* and may be covered by U.S. and Foreign Patents, patents in process, and are protected by trade
* secret or copyright law. Dissemination of this information or reproduction of this material is
* 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.UconnectMessage;
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 receive a Uconnect SendDestinationtoCar messages from the SDP
* This code is only for reference and is furnished without warranty.....
*
* @author FCA Global V2C API Team
*
*/
public class TBMExampleForSendDesttoCar {
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.
private Semaphore semaphore;//The semaphore object is used to wait for a response.
/**
* Constructor - initialize protocol buffer extension registry for parsing incoming Uconnect Messages.
*/
public TBMExampleForSendDesttoCar() {
extRegistry = ExtensionRegistry.newInstance();
extRegistry.add(GlobalUconnectExtSendAndGo.destinationPush);
this.semaphore = new Semaphore();
}
/**
* This method demonstrates connecting to the AWS IoT mqtt broker and publishing and subscribing SendDestoVehicle messages to the SDTC topic.
*/
public void process() {
mqttClient = new AWSIotMqttClient("endpoint", clientId, "awsAccessKeyId", "awsSecretAccessKey");
try {
mqttClient.connect();
iotTopic = new AWSIotTopic(clientId+"/SDTC/", AWSIotQos.QOS1) {
public void onMessage(AWSIotMessage msg) {
try {
UconnectMessage msgIn;
msgIn = UconnectMessage.parseFrom(msg.getPayload(),extRegistry);
if (msgIn.getMessages(0).hasExtension(GlobalUconnectExtSendAndGo.destinationPush)) {
semaphore.unlock();// Releasing the lock
}
} catch (InvalidProtocolBufferException e) {
}
}};
mqttClient.subscribe(iotTopic);
this.semaphore.lock(); //Wait for response, lock thread
} catch (AWSIotException ex) {
System.out.println("Caught AWS Exception "+ex);
ex.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Example main to launch example.
*
* @param args
*/
public static void main(String[] args) {
TBMExampleForSendDesttoCar example = new TBMExampleForSendDesttoCar();
example.process();
}
}
Here's an example of how Service Connects to AWS IOT MQTT for SDTC topics and process Send Destination to Car messages.
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.Address;
import com.fca.uconnect.global.GlobalUconnectControl.Destination;
import com.fca.uconnect.global.GlobalUconnectControl.Destination.OriginalSource;
import com.fca.uconnect.global.GlobalUconnectControl.Destination.RoutePreference;
import com.fca.uconnect.global.GlobalUconnectControl.Location;
import com.fca.uconnect.global.GlobalUconnectControl.PointOfInterest;
import com.fca.uconnect.global.GlobalUconnectControl.UconnectAny;
import com.fca.uconnect.global.GlobalUconnectControl.UconnectMessage;
import com.fca.uconnect.global.GlobalUconnectExtSendAndGo.DestinationPush;
import com.fca.uconnect.global.GlobalUconnectExtSendAndGo.DestinationPush.MapDataBaseVariant;
import com.fca.uconnect.global.GlobalUconnectExtSendAndGo.DestinationPush.MapDataBaseVariant.NavTypeEnum;
import com.google.protobuf.ByteString;
import com.google.protobuf.ExtensionRegistry;
public class SDPExampleForSendDesttoCar {
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=10; // 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.
public SDPExampleForSendDesttoCar() {
extRegistry = ExtensionRegistry.newInstance();
extRegistry.add(GlobalUconnectExtSendAndGo.destinationPush);
}
/**
* This method generates a Protocol Buffer Uconnect Message given the required inputs for DestinationPush.
* @param mapDBVariant
* @param dest
* @param isImmediateNavigation
* @return
*/
public UconnectMessage getDestinationPushMsg(MapDataBaseVariant mapDBVariant,Destination dest,boolean isImmediateNavigation) {
this.messageId++;
sessionId = ByteString.copyFrom(new byte[18]);
DestinationPush destPushMsg = DestinationPush.newBuilder()
.setIsImmediateNavigation(false)
.setMapDataBaseVariant(mapDBVariant)
.addDestinationList(dest)
.build();
UconnectMessage msg = UconnectMessage.newBuilder()
.setTimestamp(System.currentTimeMillis())
.setSessionId(sessionId)
.setMessageId(messageId)
.addMessages(UconnectAny.newBuilder().
setExtension(GlobalUconnectExtSendAndGo.destinationPush,destPushMsg))
.build();
return msg;
}
/**
* This method demonstrates connecting to the AWS IoT mqtt broker and publishing an SendDestinationToCar messages to the SDTC topic.
*/
public void process() {
mqttClient = new AWSIotMqttClient("endpoint", clientId, "awsAccessKeyId", "awsSecretAccessKey");
try {
mqttClient.connect();
iotTopic = new AWSIotTopic("/SDTC/#",AWSIotQos.QOS1){
public void onMessage(AWSIotMessage msg) {
}
};
mqttClient.subscribe(iotTopic);
MapDataBaseVariant mapDBVariant =MapDataBaseVariant.newBuilder()
.setNavTypeEnum(NavTypeEnum.AUTO)
.setVersion("1.0")
.build();
Location destLocation = Location.newBuilder()
.setPositionLatitude(42.480201)
.setPositionLongitude(-83.671875F)
.build();
Address address = Address.newBuilder()
.setHouseNumber("1000")
.setStreetName("Chrystler Drive")
.setCityName("Auburn Hills")
.setProvinceName("Michigan")
.setCountryName("USA")
.build();
Address poiAddress = Address.newBuilder()
.setHouseNumber("2000")
.setStreetName("abc drive")
.setCityName("Auburn Hills")
.setProvinceName("Michigan")
.setCountryName("USA")
.build();
PointOfInterest poi = PointOfInterest.newBuilder()
.setCategory("Restaurant")
.setDescription("favorite")
.setName("ABCD Restaurant")
.setId(123)
.setPhoneNumber("123 456 7890")
.setLocation(destLocation)
.setUrl("www.abcrestaurant.com")
.setAddress(poiAddress)
.build();
Destination dest = Destination.newBuilder()
.setDestinationDescription("fav restaurant")
.setRoutePreference(RoutePreference.Fast)
.setOrignalSource(OriginalSource.SDP)
.setCreateTimestamp(System.currentTimeMillis())
.setLocation(destLocation)
.setDestinationPoi(poi)
.setDestinationAddress(address)
.build();
sendMessage(getDestinationPushMsg(mapDBVariant,dest,true));
} catch (AWSIotException e) {
System.out.println("Caught Exception "+e);
e.printStackTrace();
}
}
public void sendMessage(UconnectMessage msg) {
final byte[] msgOut = msg.toByteArray();
new Thread(new Runnable() {
@Override
public void run() {
try {
AWSIotMessage message = new
MessagePublisherListener(clientId+"/SDTC/",AWSIotQos.QOS1,msgOut);
mqttClient.publish(message);
} catch (AWSIotException e) {
System.out.println("Caught Exception "+e);
e.printStackTrace();
}
}
}).start();
}
public static void main(String[] args) {
SDPExampleForSendDesttoCar m = new SDPExampleForSendDesttoCar();
m.process();
}
}
The example code demonstrates how to connect with AWS IoT for publishing and subscribing to the SDTC topic.
Download Client Example Code here
Download Service Example Code here