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<== Date ==> <== Thread ==>

Subject: Re: caPutLog support for gateway
From: Ralph Lange <Ralph.Lange@gmx.de>
To: EPICS Core-Talk <core-talk@aps.anl.gov>
Cc: "Priller, John" <priller@frib.msu.edu>
Date: Thu, 27 Mar 2014 13:16:37 +0100
On 26.03.2014 14:57, Konrad, Martin wrote:
Hi Ben, Hi Andrew!

I'd like to bring your attention to two patches John Priller has
developed for caPutLog and cagateway:

1. This patch makes a few modifications to caPutLog to allow it to be
used by non-IOC applications like cagateway. See attached patch or [1]
for details.

2. This patch adds the option to use caPutLog with the gateway. See [2]
for details.

Note that patch 2 requires patch 1 to be merged.

Best regards,

Martin

[1] https://stash.nscl.msu.edu/users/konrad/repos/caputlog/commits
[2]
https://code.launchpad.net/~info-martin-konrad/+junk/epics-gateway-putlog


Looking at the gateway patches, here's a few things that I would like you to cross-check:

gateResources.cc, line 126:
Failing to create the mutex is not handled. Maybe use epicsMutexMustCreate() in this place?

I am a bit hesitant regarding the introduction of a new implementation for a ring buffer, given that libCom already offers ring buffers.

gateway.cc, line 1347:
The logic seems wrong. Shouldn't it rather loop while one OR the other task is not done yet?

Is the log output compatible with the output of a regular IOC using caPutLog? (Important when feeding into Splunk or a similar engine.)

Thanks a lot,
~Ralph


References:
caPutLog support for gateway Konrad, Martin

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