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/*
*
* Copyright (c) 2021 Project CHIP Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <app/CASEClient.h>
namespace chip {
void CASEClient::SetRemoteMRPIntervals(const ReliableMessageProtocolConfig & remoteMRPConfig)
{
mCASESession.SetRemoteMRPConfig(remoteMRPConfig);
}
CHIP_ERROR CASEClient::EstablishSession(const CASEClientInitParams & params, const ScopedNodeId & peer,
const Transport::PeerAddress & peerAddress,
const ReliableMessageProtocolConfig & remoteMRPConfig,
SessionEstablishmentDelegate * delegate)
{
VerifyOrReturnError(params.fabricTable != nullptr, CHIP_ERROR_INVALID_ARGUMENT);
// Create a UnauthenticatedSession for CASE pairing.
Optional<SessionHandle> session = params.sessionManager->CreateUnauthenticatedSession(peerAddress, remoteMRPConfig);
VerifyOrReturnError(session.HasValue(), CHIP_ERROR_NO_MEMORY);
// Allocate the exchange immediately before calling CASESession::EstablishSession.
//
// CASESession::EstablishSession takes ownership of the exchange and will
// free it on error, but can only do this if it is actually called.
// Allocating the exchange context right before calling EstablishSession
// ensures that if allocation succeeds, CASESession has taken ownership.
Messaging::ExchangeContext * exchange = params.exchangeMgr->NewContext(session.Value(), &mCASESession);
VerifyOrReturnError(exchange != nullptr, CHIP_ERROR_INTERNAL);
mCASESession.SetGroupDataProvider(params.groupDataProvider);
ReturnErrorOnFailure(mCASESession.EstablishSession(*params.sessionManager, params.fabricTable, peer, exchange,
params.sessionResumptionStorage, params.certificateValidityPolicy, delegate,
params.mrpLocalConfig));
return CHIP_NO_ERROR;
}
}; // namespace chip