blob: 28dc8f176ddd1f0d1c5bdadeb45d21bdf5a1b452 [file] [log] [blame]
/*
*
* 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.
*/
#pragma once
#include <platform/NetworkCommissioning.h>
namespace chip {
namespace DeviceLayer {
namespace NetworkCommissioning {
template <typename T>
class otScanResponseIterator : public Iterator<T>
{
public:
size_t Count() override { return itemCount; }
bool Next(T & item) override
{
if (mpScanResponse == nullptr || currentIterating >= itemCount)
{
return false;
}
item = mpScanResponse[currentIterating];
currentIterating++;
return true;
}
void Release() override
{
itemCount = currentIterating = 0;
Platform::MemoryFree(mpScanResponse);
mpScanResponse = nullptr;
}
void Add(T * pResponse)
{
size_t tempCount = itemCount + 1;
mpScanResponse = static_cast<T *>(Platform::MemoryRealloc(mpScanResponse, kItemSize * tempCount));
if (mpScanResponse)
{
// first item at index. update after the copy.
memcpy(&(mpScanResponse[itemCount]), pResponse, kItemSize);
itemCount = tempCount;
}
}
private:
size_t currentIterating = 0;
size_t itemCount = 0;
static constexpr size_t kItemSize = sizeof(T);
T * mpScanResponse = nullptr;
};
class GenericThreadDriver final : public ThreadDriver
{
public:
class ThreadNetworkIterator final : public NetworkIterator
{
public:
ThreadNetworkIterator(GenericThreadDriver * aDriver) : driver(aDriver) {}
size_t Count() override;
bool Next(Network & item) override;
void Release() override { delete this; }
~ThreadNetworkIterator() = default;
private:
GenericThreadDriver * driver;
bool exhausted = false;
};
GenericThreadDriver(uint8_t scanTimeoutSec = 10, uint8_t connectTimeoutSec = 20)
{
scanNetworkTimeoutSeconds = scanTimeoutSec;
connectNetworkTimeout = connectTimeoutSec;
}
// BaseDriver
NetworkIterator * GetNetworks() override { return new ThreadNetworkIterator(this); }
CHIP_ERROR Init(Internal::BaseDriver::NetworkStatusChangeCallback * statusChangeCallback) override;
void Shutdown() override;
// WirelessDriver
uint8_t GetMaxNetworks() override { return 1; }
uint8_t GetScanNetworkTimeoutSeconds() override { return scanNetworkTimeoutSeconds; }
uint8_t GetConnectNetworkTimeoutSeconds() override { return connectNetworkTimeout; }
ThreadCapabilities GetSupportedThreadFeatures() override;
uint16_t GetThreadVersion() override;
void SetScanNetworkTimeoutSeconds(uint8_t scanTimeoutSec) { scanNetworkTimeoutSeconds = scanTimeoutSec; }
void SetConnectNetworkTimeoutSeconds(uint8_t connectTimeoutSec) { connectNetworkTimeout = connectTimeoutSec; }
CHIP_ERROR CommitConfiguration() override;
CHIP_ERROR RevertConfiguration() override;
Status RemoveNetwork(ByteSpan networkId, MutableCharSpan & outDebugText, uint8_t & outNetworkIndex) override;
Status ReorderNetwork(ByteSpan networkId, uint8_t index, MutableCharSpan & outDebugText) override;
void ConnectNetwork(ByteSpan networkId, ConnectCallback * callback) override;
// ThreadDriver
Status AddOrUpdateNetwork(ByteSpan operationalDataset, MutableCharSpan & outDebugText, uint8_t & outNetworkIndex) override;
void ScanNetworks(ThreadDriver::ScanCallback * callback) override;
private:
uint8_t scanNetworkTimeoutSeconds;
uint8_t connectNetworkTimeout;
static void OnThreadStateChangeHandler(const ChipDeviceEvent * event, intptr_t arg);
Status MatchesNetworkId(const Thread::OperationalDataset & dataset, const ByteSpan & networkId) const;
CHIP_ERROR BackupConfiguration();
ThreadNetworkIterator mThreadIterator = ThreadNetworkIterator(this);
Thread::OperationalDataset mStagingNetwork = {};
};
} // namespace NetworkCommissioning
} // namespace DeviceLayer
} // namespace chip