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From "Alan Conway (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PROTON-1438) c proactor listening behavior
Date Wed, 15 Mar 2017 17:43:41 GMT
Alan Conway created PROTON-1438:
-----------------------------------

             Summary: c proactor listening behavior
                 Key: PROTON-1438
                 URL: https://issues.apache.org/jira/browse/PROTON-1438
             Project: Qpid Proton
          Issue Type: Improvement
          Components: proton-c
    Affects Versions: 0.17.0
            Reporter: Alan Conway
            Assignee: Alan Conway
             Fix For: 0.18.0


Improved listening behavior for pn_proactor_listen to allow selective listening by protocol
(ipv4/v6) or portable "listen to everything".

Host can be a host name, IPV4 or IPV6 literal,
or the empty string/NULL (treated the same). The empty string listens on all local addresses.
A host name listens on all addresses associated with the name. An IPV6 literal address (or
wildcard '[::]') listens only for IPV6. An IPV4 literal address (or wildcard '0.0.0.0') listens
only for IPV4.

- pn_proactor_listen may listen on more than one socket for ipv6/v4 or
for DNS names with multiple address records.

- the 'backlog' applies to *each* socket (open for debate - we might
want to divide the backlog among sockets with some minimum if there's
not enough)

- pn_listener_close() closes all sockets, PN_LISTENER_CLOSE event
indicates all sockets are closed.

- An error on any socket will close all the sockets of the listener,
PN_LISTERN_CLOSE event indicates all sockets are closed and provides
the error that triggered the close.




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