Cannot join group unless leader / co-ordinator is known

originallyus / node-red-contrib-better-sonos

NodeRed node for controlling Sonos Players

MIT License

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Cannot join group unless leader / co-ordinator is known #19

Open gjhw opened 6 years ago

gjhw commented 6 years ago

I have a flow configured so that I can ask Alexa to join a zone to another that is already playing, however, this will generate the following error if the zone isn't the group leader / co-ordinator:

Error: HTTP response code 500 for "urn:schemas-upnp-org:service:AVTransport:1#SetAVTransportURI"

It's not really possible to keep track of the leader, especially if I use another flow to leave the group as the leader then passes to another unpredictable zone.

gjhw commented 6 years ago

Following up on this some more, it appears that when a zone is part of a group, the URI is always: x-rincon:RINCON_[MAC]01400 (where [MAC] is the MAC address of the group leader.

So for now I can parse the URI to establish the group leader but maybe it is possible to have the node deal with it a bit better without excess code?

Once I have figured out my JSON to establish a group leader I will share it here in case it helps.