On Jun 26, 2021, at 20:28, wa7skg <[email protected]> wrote:
> While working on another issue, I took a look at /var/log/boot.log. I had
> recently imported a bunch of music to the library with rdimport. I find these
> entries in boot.log:
>
> Jun 26 17:00:41 rd2 ripcd: sent notification: "NOTIFY CART MODIFY 35741" to
> 239.192.255.72:20539
> Jun 26 17:00:41 rd2 ripcd: closed connection 4
> Jun 26 17:00:41 rd2 ripcd: cleaned up connection 4
> Jun 26 17:00:41 rd2 ripcd: added new connection 4
> Jun 26 17:00:41 rd2 rdxport.cgi: processing RDXPORT_COMMAND_TRIMAUDIO
> Jun 26 17:00:41 rd2 ripcd: sent notification: "NOTIFY CART MODIFY 35741" to
> 239.192.255.72:20539
> Jun 26 17:00:41 rd2 ripcd: closed connection 4
> Jun 26 17:00:41 rd2 ripcd: cleaned up connection 4
> Jun 26 17:00:41 rd2 ripcd: sent notification: "NOTIFY CART ADD 35741" to
> 239.192.255.72:20539
>
> First, I don't understand why there are a bunch of Rivendell status stuff in
> the boot.log to begin with.
>
> Second, where/what is IP address 239.192.255.72 and why is Rivendell sending
> any notifications to it? Is this a security thing? Is it required? Can I stop
> it?
As Chris mentioned earlier, those are local (‘administratively scoped’ to be
precise) multicast messages. Starting with v3.x, Rivendell uses those to notify
modules that some object (cart, log, whatever) has been added/deleted/changed.
In the example you quote, cart 35741 was changed. Say, rdairplay(1) had a log
loaded that included that cart, it would know to update the widgets displaying
that cart. Likewise, other Rivendell instances can receive these messages and
keep their views up to date.
Yes, it is required for proper operation. The exact address used for such
updates can be set in RDAdmin->SystemSettings, although the default value
should be fine for the overwhelming majority of situations.
As for these entries appearing in ‘boot.log’, I couldn’t say. Doesn’t sound
right!
Cheers!
|---------------------------------------------------------------------|
| Frederick F. Gleason, Jr. | Chief Developer |
| | Paravel Systems |
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| A room without books is like a body without a soul. |
| |
| -- Cicero |
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