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
* 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 java.util.ArrayList;
import java.util.List;
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.UconnectAny;
import com.fca.uconnect.global.GlobalUconnectControl.UconnectMessage;
import com.fca.uconnect.global.GlobalUconnectExtSQDF.SQDFData;
import com.fca.uconnect.global.GlobalUconnectExtSQDF.SQDFData.ECUDataPoint;
import com.fca.uconnect.global.GlobalUconnectExtSQDF.SQDFData.ECUDataPoint.CanType;
import com.fca.uconnect.global.GlobalUconnectExtSQDF.SQDFData.QuickScan;
import com.fca.uconnect.global.GlobalUconnectExtSQDF.SQDFPublish;
import com.fca.uconnect.global.GlobalUconnectExtSQDF.SQDFResponse;
import com.google.protobuf.ByteString;
import com.google.protobuf.ExtensionRegistry;
/**
* This example class demonstrates how to use the AWS IoT mqtt client to send a Uconnect SQDF 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 TBMExampleForSQDF {
private String clientId; // The clientId is unique to the device and obtained from the client X.509 certificate CN.
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.
List messages ;
/**
* Constructor - initialize protocol buffer extension registry for parsing incoming Uconnect Messages.
*/
public TBMExampleForSQDF() {
extRegistry = ExtensionRegistry.newInstance();
extRegistry.add(GlobalUconnectExtSQDF.sqdfRequest);
}
/**
* This method generates a Protocol Buffer Uconnect Message given the required inputs for SQDFPublish.
*
* @return UconnectMessage Protocol Buffer
*/
public UconnectMessage getSQDFPubMsg() {
this.messageId++;
ECUDataPoint dataPoint = ECUDataPoint.newBuilder()
.setResponseID(12345)
.setType(CanType.BHCAN_OR_I_CAN)
.setCanFrame(ByteString.copyFrom(new byte[18]))
.build();
QuickScan scan = QuickScan.newBuilder()
.setODO(60)
.setGpsLatitude(12.34)
.setGpsLongitude(12.34)
.addQuickscanDataPoints(dataPoint)
.setGpsAltitude(12.34)
.setGpsTimestamp(System.currentTimeMillis())
.setVIN(122)
.build();
SQDFData data = SQDFData.newBuilder()
.setQuickScan(scan)
.build();
SQDFPublish pubMsg = SQDFPublish.newBuilder()
.setData(data)
.build();
UconnectMessage msg = UconnectMessage.newBuilder()
.setTimestamp(System.currentTimeMillis())
.setMessageId(messageId)
.addMessages(UconnectAny.newBuilder().
setExtension(GlobalUconnectExtSQDF.sqdfPublish, pubMsg))
.build();
return msg;
}
/**
* This method demonstrates connecting to the AWS IoT mqtt broker and publishing an SQDF message to the SQDF topic.
*/
public List process() {
mqttClient = new AWSIotMqttClient("endpoint", clientId, "awsAccessKeyId", "awsSecretAccessKey");
try {
mqttClient.connect();
iotTopic = new AWSIotTopic(clientId+"/SQDF/", AWSIotQos.QOS1) {
public void onMessage(AWSIotMessage msg) {
try{
UconnectMessage msgIn;
msgIn = UconnectMessage.parseFrom(msg.getPayload(),extRegistry);
if (msgIn.getMessages(0).hasExtension(GlobalUconnectExtSQDF.sqdfRequest)) {
if(messages==null)
messages = new ArrayList();
messages.add(msgIn.getMessages(0));
}
} catch( Exception ex) {
ex.printStackTrace();
System.out.println("Err processing message: "+ex+", try parsing SQDF.");
}
}
};
mqttClient.subscribe(iotTopic);
UconnectMessage msg = getSQDFPubMsg();
mqttClient.publish("/SQDF/"+clientId, AWSIotQos.QOS1, msg.toByteArray());
if(messages!=null)
return messages;
} catch (AWSIotException ex) {
System.out.println("Caught AWS Exception "+ex);
ex.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* Example main to launch example.
*
* @param args
*/
public static void main(String[] args) {
TBMExampleForSQDF example = new TBMExampleForSQDF();
example.process();
}
}
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.UconnectAny;
import com.fca.uconnect.global.GlobalUconnectControl.UconnectMessage;
import com.fca.uconnect.global.GlobalUconnectExtSQDF.SQDFRequest;
import com.fca.uconnect.global.GlobalUconnectExtSQDF.SQDFRequest.PolicySubscriptionScope;
import com.fca.uconnect.global.GlobalUconnectExtSQDF.SQDFRequest.SQDFCommand;
import com.google.protobuf.ExtensionRegistry;
public class SDPExampleForSQDF {
private String clientId; // The clientId is unique to the device and obtained from the client X.509 certificate CN.
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.
public SDPExampleForSQDF() {
extRegistry = ExtensionRegistry.newInstance();
extRegistry.add(GlobalUconnectExtSQDF.sqdfResponse);
}
public static void main(String[] args) {
SDPExampleForSQDF m = new SDPExampleForSQDF();
m.process();
}
public UconnectMessage getSQDFRequestMsg() {
messageId++;
SQDFRequest sreq = SQDFRequest.newBuilder()
.setCommand(SQDFCommand.SendData)
.setPolicySubscriptionScope(PolicySubscriptionScope.GenericData)
.build();
UconnectMessage msg = UconnectMessage.newBuilder()
.setTimestamp(System.currentTimeMillis())
.setMessageId(messageId)
.addMessages(UconnectAny.newBuilder().
setExtension(GlobalUconnectExtSQDF.sqdfRequest, sreq))
.build();
return msg;
}
public void process() {
mqttClient = new AWSIotMqttClient("endpoint", clientId, "awsAccessKeyId", "awsSecretAccessKey");
try {
mqttClient.connect();
iotTopic = new AWSIotTopic("/SQDF/#",AWSIotQos.QOS1){
public void onMessage(AWSIotMessage msg) {
try {
UconnectMessage msgIn = UconnectMessage.parseFrom(msg.getPayload(),extRegistry);
GlobalUconnectExtSQDF.SQDFResponse SQDFRespMsg = msgIn.getMessages(0).getExtension(GlobalUconnectExtSQDF.sqdfResponse);
if (SQDFRespMsg!=null) {
//receive sqdfresponse.
}
} catch( Exception ex) {
ex.printStackTrace();
}
}
};
mqttClient.subscribe(iotTopic);
sendMessage(getSQDFRequestMsg());
} 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 {
mqttClient.publish(clientId+"/SQDF/", AWSIotQos.QOS1, msgOut);
} catch (AWSIotException e) {
System.out.println("Caught Exception "+e);
e.printStackTrace();
}
}
}).start();
}
}
The example code demonstrates how to connect with AWS IoT for publishing and subscribing to the SQDF topic.
Download Client Example Code here
Download Service Example Code here