blob: 0d4ebb6000964650c444f76617d9a14a81ebd257 [file] [log] [blame]
/*
*
* Copyright (c) 2021 Project CHIP Authors
* All rights reserved.
*
* 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 "WakeOnLanManager.h"
#include <fstream>
#include <iostream>
#include <lib/support/BytesToHex.h>
#include <platform/ConfigurationManager.h>
#include <string>
constexpr char kNullHexMACAddress[] = "000000000000";
using namespace chip;
using namespace chip::app::Clusters::WakeOnLan;
std::string getMacAddress()
{
uint8_t macBuffer[chip::DeviceLayer::ConfigurationManager::kPrimaryMACAddressLength];
MutableByteSpan mac(macBuffer);
if (chip::DeviceLayer::ConfigurationMgr().GetPrimaryMACAddress(mac) != CHIP_NO_ERROR)
{
ChipLogProgress(Zcl, "WakeOnLanManager::getMacAddress no primary MAC configured by DeviceLayer");
return kNullHexMACAddress;
}
char macStr[chip::DeviceLayer::ConfigurationManager::kPrimaryMACAddressLength * 2 + 1] = { 0 }; // added null char
if (BytesToHex(mac.data(), mac.size(), &macStr[0], sizeof(macBuffer) * 2u, chip::Encoding::HexFlags::kUppercase) !=
CHIP_NO_ERROR)
{
ChipLogProgress(Zcl, "WakeOnLanManager::getMacAddress hex conversion failed");
return kNullHexMACAddress;
}
return std::string(macStr);
}
CHIP_ERROR WakeOnLanManager::HandleGetMacAddress(chip::app::AttributeValueEncoder & aEncoder)
{
ChipLogProgress(Zcl, "WakeOnLanManager::HandleGetMacAddress");
// Spec REQUIRES 48-bit mac addresses. This means at least Thread devices will
// fail here.
if (chip::DeviceLayer::ConfigurationManager::kPrimaryMACAddressLength != 6)
{
ChipLogError(Zcl, "WakeOnLanManager: primary MAC address is not 48-bit");
return CHIP_ERROR_BUFFER_TOO_SMALL;
}
return aEncoder.Encode(CharSpan::fromCharString(getMacAddress().c_str()));
}