tree f806a4e94cf77574e6d36ae541d0aa5778bec46b
parent a675662c8b90c1de2862de2bcce45f6aaeafae2b
author Thu Nguyen <thu@os.amperecomputing.com> 1691025603 +0700
committer Thu Nguyen <thu@os.amperecomputing.com> 1698217859 +0000

requestHandler: Queue the request messages to one endpoint

Section "Requirements for requesters" in DSP0240 details "A PLDM
terminus that issues PLDM requests to another PLDM terminus shall wait
until one of the following occurs before issuing a new PLDM request:
it gets the response to a particular request, it times out waiting for
the response, or it receives an indication that transmission of the
particular request failed." So the registered request messages to one
endpoint have to be queued before sending to meet the requester
requirement.
When a sensor manager is added to pldmd daemon to manage the sensors
of one terminus, the sensor manager will support the sensor polling
timers. The timers will poll the PLDM sensors with different intervals
so there can be many `getSensorReading` requests to one endpoint to
get the sensor values. Moreover, BMC also sends
`PollForPlatformEventMessage` requests to get the event data when it
receives the `pldmMessagePollEvent` event from the terminus. So those
TX request messages have to be queued.

Signed-off-by: Thu Nguyen <thu@os.amperecomputing.com>
Change-Id: I9756e1029b41a297a8f73e2ab7be47bc143ef710