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AirVantage M2M CloudData Push Introduction

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• AMQP provides store-and-forward transactional messaging, high-performance publish and subscribe event notification mechanism

• It reliably delivers business value messages: we can absolutely trust AMQP to get the message to its destination once receipt is acknowledged by the transport

• Uses TCP for reliable delivery. AMQP connections use authentication and can be protected using TLS (SSL)

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AMQP - Presentation

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AirVantage Data Push API Principles

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Queue ConsumerPublish

M2M Cloud Platform

M2M Data

Storage

M2M Cloud API

3rd-Party

Hardware

Agent

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AirVantage Data Push API Principles (2)

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Connect

Message Check Ok

Close

Remove from QueueAcknowledge

Consume

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M2M Data

Storage

M2M Cloud API

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AirVantage Data Push API Principles (3)

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Connect

Acknowledge

Consume# 23

# 24

# 25Message Handling Error

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# 25

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M2M Data

Storage

M2M Cloud API

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AirVantage Data Push API Principles (4)

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Connect

Acknowledge

Consume# 23

# 24

# 25Error

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# 27

Reject

Consume

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AirVantage Data Push API Principles (5)

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Connect

Acknowledge

Consume# 24

# 25

# 26

# 25

Client error or crash

Connect

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M2M Data

Storage

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• AMQP official site: http://www.amqp.org

• RabbitMQ (Vmware) site: http://www.rabbitmq.com/

• Clients and developer tools in Java, Ruby, Python, .NET: http://www.rabbitmq.com/devtools.html

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AMQP - Resources

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+++++++++++++++++RabbitMQConsumer.java+++++++++++++++++++++++++++import com.rabbitmq.client.Connection;

import com.rabbitmq.client.Channel;

import com.rabbitmq.client.*;

public class RabbitMQConsumer

{

public static void main(String []args) throws Exception {

ConnectionFactory factory = new ConnectionFactory();

factory.setUsername("guest");

factory.setPassword("guest");

factory.setVirtualHost("/");

factory.setHost("127.0.0.1");

factory.setPort(5672);

Connection conn = factory.newConnection();

Channel channel = conn.createChannel();

String exchangeName = “AirVantageDataPushAPI";

String queueName = “myAirVantageQueue";

String routingKey = “myRoute";

boolean durable = true;

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Example code: RabbitMQConsumer.java

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channel.exchangeDeclare(exchangeName, "direct", durable);

channel.queueDeclare(queueName, durable,false,false,null);

channel.queueBind(queueName, exchangeName, routingKey);

boolean noAck = false;

QueueingConsumer consumer = new QueueingConsumer(channel);

channel.basicConsume(queueName, noAck, consumer);

boolean runInfinite = true;

while (runInfinite) {

QueueingConsumer.Delivery delivery;

try { delivery = consumer.nextDelivery(); }

catch (InterruptedException ie) { continue; }

System.out.println("Message received" + new String(delivery.getBody()));

channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);

}

channel.close();

conn.close(); }

}

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RabbitMQConsumer.java (2)

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