OpenThread: clear the previous srp host and services when connecting to a new network (#35065)
diff --git a/src/platform/OpenThread/GenericNetworkCommissioningThreadDriver.cpp b/src/platform/OpenThread/GenericNetworkCommissioningThreadDriver.cpp
index dfec9a7..cb0b05a 100644
--- a/src/platform/OpenThread/GenericNetworkCommissioningThreadDriver.cpp
+++ b/src/platform/OpenThread/GenericNetworkCommissioningThreadDriver.cpp
@@ -189,6 +189,24 @@
status = Status::kUnknownError;
}
+ if (status == Status::kSuccess && ThreadStackMgrImpl().IsThreadAttached())
+ {
+ Thread::OperationalDataset currentDataset;
+ if (ThreadStackMgrImpl().GetThreadProvision(currentDataset) == CHIP_NO_ERROR)
+ {
+ // Clear the previous srp host and services
+ if (!currentDataset.AsByteSpan().data_equal(mStagingNetwork.AsByteSpan()) &&
+ ThreadStackMgrImpl().ClearAllSrpHostAndServices() != CHIP_NO_ERROR)
+ {
+ status = Status::kUnknownError;
+ }
+ }
+ else
+ {
+ status = Status::kUnknownError;
+ }
+ }
+
if (status == Status::kSuccess &&
DeviceLayer::ThreadStackMgrImpl().AttachToThreadNetwork(mStagingNetwork, callback) != CHIP_NO_ERROR)
{
