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[Group] Add source Node Id to group session #15038
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jepenven-silabs
merged 2 commits into
project-chip:master
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jepenven-silabs:add_node_id_group_session
Feb 10, 2022
Merged
[Group] Add source Node Id to group session #15038
jepenven-silabs
merged 2 commits into
project-chip:master
from
jepenven-silabs:add_node_id_group_session
Feb 10, 2022
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PR #15038: Size comparison from a08613b to f72d150 Increases (22 builds for cyw30739, efr32, esp32, k32w, linux, mbed, p6, qpg, telink)
Full report (24 builds for cyw30739, efr32, esp32, k32w, linux, mbed, p6, qpg, telink)
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bzbarsky-apple
approved these changes
Feb 10, 2022
PR #15038: Size comparison from a08613b to 983d6f5 Increases above 0.2%:
Increases (37 builds for cyw30739, efr32, esp32, k32w, linux, mbed, nrfconnect, qpg, telink)
Decreases (40 builds for cyw30739, efr32, esp32, k32w, linux, mbed, nrfconnect, p6, qpg, telink)
Full report (43 builds for cyw30739, efr32, esp32, k32w, linux, mbed, nrfconnect, p6, qpg, telink)
|
jmartinez-silabs
approved these changes
Feb 10, 2022
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LGTM
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Problem
According to spec : 4.4.1.6 and 4.7.2 the source NodeId needs to be present in the packet header for group messages. This is not case.
Change overview
Added the source NodeId to the constructor of the
GroupSession
so that theSessionManager
can retrieve it.This solution was implemented because it's the easiest way to retrieve the Sender nodeId without adding any dependency from the transport layer to the other layers. The transport layer should, in a perfect world, only deal with what it is given without having to search/retrieve for what it needs.
This also move the burden of providing a sourceNodeId closer to the app layer.
Testing