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From "michael goulish" <mgoul...@redhat.com>
Subject Review Request 33758: do something reasonable with local and remote max channels
Date Fri, 01 May 2015 17:34:18 GMT

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Review request for qpid, Kenneth Giusti and Ted Ross.

Repository: qpid-proton-git


PROTON-842 -- channels and sessions


  proton-c/src/engine/engine-internal.h e5ec602 
  proton-c/src/engine/engine.c 5e05cbc 
  proton-c/src/framing/framing.h 9650979 
  proton-c/src/transport/transport.c 62d4742 

Diff: https://reviews.apache.org/r/33758/diff/


tested with modified simple_send.py and reactor.py  
and qdrouterd.

my script has 1 qpidd broker, 2 routers, and 200 simple_senderer.

Each simple_sender makes 200 links over a single connection, to router B.
These become link-routes through router A to the broker.

the purpose of this diff is to get proton code to
  1. not cause router to crash when channels go above 2^15
  2. do something reasonable in this case, so that application level has a chance of doing
something reasonable.
I am not doing handles for links yet -- I want to get review for this first, get this done,
and then do same thing there.  I expect those changes will be identical.

Also please note -- I did NOT try to quit using the top bit of channel number as a flag. 
 Just advertising a lower number, trying to do something reasonable wrt local and remote max
channels, and trying to honor what the other side says.


michael goulish

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