ASF subversion and git services commented on PROTON-636:

Commit e828055b2a0fade8835cd597e91d0ae3c8bb3f5a in qpid-proton's branch 
refs/heads/master from [~aconway]
[ https://git-wip-us.apache.org/repos/asf?p=qpid-proton.git;h=e828055 ]

PROTON-1809: PROTON-636: Unable to receive messages when max-frame-size > 2^20

Caused when the frame size was greater than the default session-capacity so the
incoming windows is always 0.


1. No default session-capacity. Session flow control is enabled only if both
   session-capacity and max-frame-size are set. Neither value is deduced

2. Transport error if both are set and session-capacity is less than
   max-frame-size. In this case the incoming window is always 0 so
   communication is impossible.

3. Update API doc for pn_session_set_capacity

4. Add tests to verify this behavior

> setting a 1MB frame size results in an undesirably small session window
> -----------------------------------------------------------------------
>                 Key: PROTON-636
>                 URL: https://issues.apache.org/jira/browse/PROTON-636
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>            Reporter: Rafael H. Schloming
>            Assignee: Alan Conway
>            Priority: Major
>              Labels: framing

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