diference between amqp_basic_consume and amqp_basic_get

[chenyujian]

i'm confused with two apis.
ai i know, consumer will allocate a thread pool by default to listen the msg.
but according to the examples,i see while (1) instead.i think i can use amqp_basic_get to substitute amqp_basic_consum
so i want to know ,in rabbitmq-c, what's the key difference between amqp_basic_get and amqp_basic_consume.

[alanxz]

amqp_basic_get() exercises the basic.get AMQP method. Basic.get is a pull-API, meaning the client asks the broker for a single message from a queue and if the broker has a message it is delivered. For basic.get you have to continuously send the basic.get method to the broker asking for any new messages.

amqp_basic_consume() exercises the basic.consume AMQP method. Basic.consume is a push-API, meaning the client tells the broker, please send me a message when you have one for me, until I tell you to stop, the messages are delivered to the client asynchronously..

These methods are not interchangeable - they do different things.

FYI: rabbitmq-c current does not use a thread-pool to handle message delivery, everything is done on one thread.