Message Consumption in Tutorials Push or Pull API?

[Asadullah Hussain]

Hello, I just started out with RabbitMQ on Linux and am going through the tutorials. The AMQP protocol states that there are two ways to for consumer:

1. Have messages delivered to them ("push API")
   
2. Fetch messages as needed ("pull API")

Which type of message consumption is this (Push or Pull)? It seems the tutorials employ push API. Is there an example of pull API using python?

[Laing, Michael]

Here's an example: http://pika.readthedocs.org/en/latest/examples/blocking_basic_get.html

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[Michael Klishin]

 On 8 August 2014 at 15:36:24, Asadullah Hussain (asad...@gmail.com) wrote:
> > Hello, I just started out with RabbitMQ on Linux and am going

> through the tutorials(http://www.rabbitmq.com/tutorials/).
> The AMQP protocol(https://www.rabbitmq.com/tutorials/amqp-concepts.html)

> states that there are two ways to for consumer:
> Have messages delivered to them ("push API")
> Fetch messages as needed ("pull API")
> Which type of message consumption is this (Push or Pull)? It seems
> the tutorials employ push API

The tutorials use basic.consume, which creates a subscription. RabbitMQ
then delivers messages to the consumer as they become available.

So yes, this is what is known as the "push API". The "pull API" uses
basic.get.
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MK

Staff Software Engineer, Pivotal/RabbitMQ

[software s]

Dear Michael,

I would like to ask you where it is possible to find more information concenring the "push API".
In particular, I would like to know if it is possible to deploy a "push API" on a mobile device (e.g. a smartphone), which not have a fixed IP.
If it is possible, could you explain how RabbitMQ works when the IP of the mobile device has changed. In this case, how the broker can find the client ("push API")?

Thank you in advance.

[Michael Klishin]

Clients have to re-connect and begin consuming again.

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