Just FYI, note that there was a similair issue fixed in event service long back.
Changeset
summary: edsv: saEvtInitialize has same priority as saEvtFinalize (#2000)
mnaickan@ubuntu:~/staging$ hg diff -c 2683 | more
diff --git a/osaf/libs/agents/saf/eda/eda_mds.c
b/osaf/libs/agents/saf/eda/eda_mds.c
--- a/osaf/libs/agents/saf/eda/eda_mds.c
+++ b/osaf/libs/agents/saf/eda/eda_mds.c
@@ -1608,7 +1608,8 @@ uint32_t eda_mds_msg_sync_send(EDA_CB *c
/* Fill the send structure */
mds_info.info.svc_send.i_msg = (NCSCONTEXT)i_msg;
- if (i_msg->info.api_info.type == EDSV_EDA_RETENTION_TIME_CLR)
+ if ((i_msg->info.api_info.type == EDSV_EDA_RETENTION_TIME_CLR) ||
+ (i_msg->info.api_info.type == EDSV_EDA_INITIALIZE))
mds_info.info.svc_send.i_priority = MDS_SEND_PRIORITY_MEDIUM;
else
mds_info.info.svc_send.i_priority = MDS_SEND_PRIORITY_HIGH;
Mathi.
----- [email protected] wrote:
> • status : accepted --> assigned
> • assigned_to : do truong giang --> Vu Minh Nguyen
>
>
>
> [tickets:#1396] log: issue with priority of messages adding to mailbox
> in the server
>
> Status: assigned
> Milestone: 5.0.FC
> Created: Mon Jun 29, 2015 09:14 AM UTC by Vu Minh Nguyen
> Last Updated: Sun Nov 01, 2015 09:36 PM UTC
> Owner: Vu Minh Nguyen
>
> If there are several initialize and finalize done in a row in the same
> process, there is possibility getting SA_AIS_ERR_BAD_HANDLE.
>
> [Test sequence]
> 1. saLogInitialize()
> 2. saLogFinalize()
> 3. saLogInitialize()
> 4. saLogFinalize()
> --> get error SA_AIS_ERR_BAD_HANDLE Here is the problem:
>
>
> The finalize request will delete the requested client and the agent
> will wait for the answer (ack). If the last client initialized by this
> process is finalized the agent will free the resources used by the
> agent which means that the mds also is finalized which results in an
> agent down event on the server side.
> The agent down message to the event handler is placed in the mailbox
> queue with the lowest priority.
> In this test sequence the next thing that happens is that the agent is
> started again and a new initiate request is sent. When this request is
> received on the server the initialize message to the event handler is
> placed in the queue with the highest priority.
>
> What happen in this case is that the event handler has not yet fetched
> the agent down message when the initiate message is queued which means
> that the order of handling the messages will be initialize (highest
> priority) and then agent down (lowest priority).
> - The initialize will create a client
> - The agent down will remove all clients for the agent process
> including the just initialized
> - The agent sends a finalize and gets BAD_HANDLE as a reply in the ack
> from the server since the client is already deleted.
>
>
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