Some Questions : Qpid python library

[周暉禎 <da...@gmail.com>]

Hi all,
I am new to Qpid and python.
I want to set up a queue service among my service managers.
Here are some questions about the Qpid python library, and I am
wondering how much capabilities it present.
So please help me, thanks!!

1.      Does the heartbeat mechanism supported by Python client ?

2.      How to browse the server queue by Python client?

3.      When the producer sends a message to the queue server, will the
queue server send back an Ack. "automatically" to notify the producer
that the message is received successfully?

4. Is it possible that a message is transmitted twice?
i.e., When client A wants to send a message to client B by queue
server C, if the message is undeliverable because of the crash of C,
a period of time later, client A's timeout is reached and C is not
recovered yet. A choose queue server D to pass the message and it's
done successfully.
However, the message will be delivered again to B by C.
Does it means that B has to have the ability to prevent executing the
same command(the content of the message) twice?


Sincerely,
David


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