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/*
*
* Copyright (c) 2020 Project CHIP Authors
* Copyright (c) 2019 Nest Labs, Inc.
*
* 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 <platform/internal/CHIPDeviceLayerInternal.h>
#include <platform/ConnectivityManager.h>
#include <platform/internal/BLEManager.h>
#include <new>
#include <lib/support/CodeUtils.h>
#include <lib/support/SafeInt.h>
#include <lib/support/logging/CHIPLogging.h>
#include <platform/internal/GenericConnectivityManagerImpl_UDP.ipp>
#if INET_CONFIG_ENABLE_TCP_ENDPOINT
#include <platform/internal/GenericConnectivityManagerImpl_TCP.ipp>
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE
#include <platform/internal/GenericConnectivityManagerImpl_BLE.ipp>
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD
#include <platform/internal/GenericConnectivityManagerImpl_Thread.ipp>
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_WIFI
#include <platform/internal/GenericConnectivityManagerImpl_WiFi.ipp>
#endif
#if TARGET_OS_OSX
#import <CoreFoundation/CoreFoundation.h>
#import <SystemConfiguration/SCNetworkConfiguration.h>
#endif // TARGET_OS_OSX
using namespace ::chip;
using namespace ::chip::TLV;
using namespace ::chip::DeviceLayer::Internal;
namespace chip {
namespace DeviceLayer {
ConnectivityManagerImpl ConnectivityManagerImpl::sInstance;
CHIP_ERROR ConnectivityManagerImpl::_Init()
{
// Initialize the generic base classes that require it.
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD
ReturnErrorOnFailure(GenericConnectivityManagerImpl_Thread<ConnectivityManagerImpl>::_Init());
#endif
return CHIP_NO_ERROR;
}
void ConnectivityManagerImpl::_OnPlatformEvent(const ChipDeviceEvent * event)
{
// Forward the event to the generic base classes as needed.
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD
GenericConnectivityManagerImpl_Thread<ConnectivityManagerImpl>::_OnPlatformEvent(event);
#endif
}
CHIP_ERROR ConnectivityManagerImpl::GetEthernetInterfaceName(char * outName, size_t maxLen)
{
CHIP_ERROR err = CHIP_ERROR_NOT_IMPLEMENTED;
#if TARGET_OS_OSX
if (!CanCastTo<CFIndex>(maxLen))
{
return CHIP_ERROR_INVALID_ARGUMENT;
}
CFArrayRef interfaces = SCNetworkInterfaceCopyAll();
VerifyOrReturnError(interfaces != nullptr, CHIP_ERROR_INTERNAL);
err = CHIP_ERROR_KEY_NOT_FOUND;
CFIndex count = CFArrayGetCount(interfaces);
for (CFIndex i = 0; i < count; i++)
{
const SCNetworkInterfaceRef interface = static_cast<const SCNetworkInterfaceRef>(CFArrayGetValueAtIndex(interfaces, i));
CFStringRef interfaceType = SCNetworkInterfaceGetInterfaceType(interface);
if (interfaceType == nullptr || interfaceType != kSCNetworkInterfaceTypeEthernet)
{
continue;
}
CFStringRef interfaceName = SCNetworkInterfaceGetBSDName(interface);
if (interfaceName == nullptr)
{
continue;
}
if (!CFStringGetCString(interfaceName, outName, static_cast<CFIndex>(maxLen), kCFStringEncodingUTF8))
{
continue;
}
outName[maxLen - 1] = '\0';
err = CHIP_NO_ERROR;
break;
}
CFRelease(interfaces);
#endif // TARGET_OS_OSX
return err;
}
CHIP_ERROR ConnectivityManagerImpl::GetInterfaceStatus(const char * interfaceName, bool * status)
{
CHIP_ERROR err = CHIP_ERROR_NOT_IMPLEMENTED;
#if TARGET_OS_OSX
SCDynamicStoreRef store = SCDynamicStoreCreate(nullptr, CFSTR("Matter"), nullptr, nullptr);
if (store == nullptr)
{
return CHIP_ERROR_NO_MEMORY;
}
auto path = CFStringCreateWithFormat(nullptr, nullptr, CFSTR("State:/Network/Interface/%s/Link"), interfaceName);
if (path == nullptr)
{
CFRelease(store);
return CHIP_ERROR_NO_MEMORY;
}
auto dict = static_cast<CFDictionaryRef>(SCDynamicStoreCopyValue(store, path));
if (dict == nullptr)
{
CFRelease(path);
CFRelease(store);
return CHIP_ERROR_INVALID_ARGUMENT;
}
CFBooleanRef linkActive = static_cast<CFBooleanRef>(CFDictionaryGetValue(dict, kSCPropNetLinkActive));
if (linkActive == nullptr)
{
CFRelease(dict);
CFRelease(path);
CFRelease(store);
return CHIP_ERROR_INVALID_ARGUMENT;
}
*status = CFBooleanGetValue(linkActive);
CFRelease(dict);
CFRelease(path);
CFRelease(store);
err = CHIP_NO_ERROR;
#endif // TARGET_OS_OSX
return err;
}
} // namespace DeviceLayer
} // namespace chip