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** [tickets:#3292] log: Introduce an initial node status callback **
**Status:** assigned
**Milestone:** 5.21.12
**Created:** Mon Oct 18, 2021 09:02 AM UTC by Hieu Hong Hoang
**Last Updated:** Mon Oct 18, 2021 09:02 AM UTC
**Owner:** Hieu Hong Hoang
Currently, loga don't know when logd is ready for a request. In this ticket, we
introduce a new callback from logd to loga. When logd detect a log agent is up,
logd will send the initial node status to loga. Loga should wait for that
message before sending any request to logd.
This callback could solve the issue with priority of messages in
[1396](https://sourceforge.net/p/opensaf/tickets/1396/).
In 1396: the agent down message received before the initial client message but
it's processed after the initial client message due to the priority of messages.
If the loga wait for the initial node status message before sending the
initial client message, all messages will be processed in right order.
Following is the order of processing messages:
1. logd: agent up message
2. loga: initial node status message
3. logd: initial client message
4. logd: final client message
5. logd: agent down message
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