[zeromq-dev] Questions

[Stam, Louis van der - Acision]

Hi,

I have recently found my way to the zeromq web-site and have been studying the API and the examples.

Not everything is clear to me, so that is why I come here and post some questions:

- It's my understanding that the threads that have to be associated with a poll_thread_t instance are there only for the purpose of dealing with IPC (between different processes). They do not serve a purpose when exchanging messages between an exchange and a queue inside the same process. Is this a correct view?

- It's my understanding that the poll_thread_t instances are not counted as a thread in the sense of the number of threads supported by the dispatcher instance. Is this a correct view?

- It's my understanding that a thread associates itself with the dispatcher through the api_thread_t instance and that it is this association that counts in the sense of the number of threads supported by the dispatcher. Is this a correct view?

- I'm having similar thoughts on the use of the threads associated with a binding as for the poll_thread_t. Is this a correct view?

- Is it possible to have one thread listen to two or more queues queues?

- Is it possible to have one thread listen to a queue (or more see above) and also get woken-up when a fd has some work to be done (like a socket fd)?

- Is it possible to get a notification when a binding is established, and if so is it possible to see which exchange is binding to what queue?

- Is it possible to get a notification of a binding being broken, and if so is it possible to see which exchange is unbound from what queue?


Seeing the above it's quite a list already.

Looking forward to your answers. Regards,

Louis van der Stam


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