blob: 55148e3700091dca12e80f9e1d44677affe8dbd6 [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
#if CHIP_DEVICE_CONFIG_ENABLE_WIFI_STATION
#include <platform/NetworkCommissioning.h>
#include <wfx_host_events.h>
namespace chip {
namespace DeviceLayer {
namespace NetworkCommissioning {
namespace {
inline constexpr uint8_t kMaxWiFiNetworks = 1;
inline constexpr uint8_t kWiFiScanNetworksTimeOutSeconds = 10;
inline constexpr uint8_t kWiFiConnectNetworkTimeoutSeconds = 20;
} // namespace
template <typename T>
class SlScanResponseIterator : public Iterator<T>
{
public:
SlScanResponseIterator(T * apScanResponse) : mpScanResponse(apScanResponse) {}
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;
};
class SlWiFiDriver final : public WiFiDriver
{
public:
class WiFiNetworkIterator final : public NetworkIterator
{
public:
WiFiNetworkIterator(SlWiFiDriver * aDriver) : mDriver(aDriver) {}
size_t Count() override;
bool Next(Network & item) override;
void Release() override { delete this; }
~WiFiNetworkIterator() = default;
private:
SlWiFiDriver * mDriver;
bool mExhausted = false;
};
struct WiFiNetwork
{
char ssid[DeviceLayer::Internal::kMaxWiFiSSIDLength];
uint8_t ssidLen = 0;
char credentials[DeviceLayer::Internal::kMaxWiFiKeyLength];
uint8_t credentialsLen = 0;
};
// BaseDriver
NetworkIterator * GetNetworks() override { return new WiFiNetworkIterator(this); }
CHIP_ERROR Init(NetworkStatusChangeCallback * networkStatusChangeCallback) override;
// WirelessDriver
uint8_t GetMaxNetworks() override { return kMaxWiFiNetworks; }
uint8_t GetScanNetworkTimeoutSeconds() override { return kWiFiScanNetworksTimeOutSeconds; }
uint8_t GetConnectNetworkTimeoutSeconds() override { return kWiFiConnectNetworkTimeoutSeconds; }
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;
// WiFiDriver
Status AddOrUpdateNetwork(ByteSpan ssid, ByteSpan credentials, MutableCharSpan & outDebugText,
uint8_t & outNetworkIndex) override;
void ScanNetworks(ByteSpan ssid, ScanCallback * callback) override;
CHIP_ERROR ConnectWiFiNetwork(const char * ssid, uint8_t ssidLen, const char * key, uint8_t keyLen);
chip::BitFlags<WiFiSecurity> ConvertSecuritytype(wfx_sec_t security);
void OnConnectWiFiNetwork();
void UpdateNetworkingStatus();
static SlWiFiDriver & GetInstance()
{
static SlWiFiDriver instance;
return instance;
}
private:
bool NetworkMatch(const WiFiNetwork & network, ByteSpan networkId);
bool StartScanWiFiNetworks(ByteSpan ssid);
static void OnScanWiFiNetworkDone(wfx_wifi_scan_result_t * aScanResult);
WiFiNetwork mSavedNetwork = {};
WiFiNetwork mStagingNetwork = {};
ScanCallback * mpScanCallback;
ConnectCallback * mpConnectCallback;
NetworkStatusChangeCallback * mpStatusChangeCallback = nullptr;
};
} // namespace NetworkCommissioning
} // namespace DeviceLayer
} // namespace chip
#endif