blob: 0a0f3e47d0939f8a34e31d5ef605400130a7160a [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.
*/
#include "lib/dnssd/platform/Dnssd.h"
#include <lib/support/CodeUtils.h>
#include <platform/CHIPDeviceLayer.h>
#include <platform/OpenThread/OpenThreadUtils.h>
using namespace ::chip::DeviceLayer;
namespace chip {
namespace Dnssd {
CHIP_ERROR ChipDnssdInit(DnssdAsyncReturnCallback initCallback, DnssdAsyncReturnCallback errorCallback, void * context)
{
ReturnErrorOnFailure(ThreadStackMgr().SetSrpDnsCallbacks(initCallback, errorCallback, context));
uint8_t macBuffer[ConfigurationManager::kPrimaryMACAddressLength];
MutableByteSpan mac(macBuffer);
char hostname[kHostNameMaxLength + 1] = "";
ReturnErrorOnFailure(DeviceLayer::ConfigurationMgr().GetPrimaryMACAddress(mac));
MakeHostName(hostname, sizeof(hostname), mac);
return ThreadStackMgr().ClearSrpHost(hostname);
}
void ChipDnssdShutdown() {}
const char * GetProtocolString(DnssdServiceProtocol protocol)
{
return protocol == DnssdServiceProtocol::kDnssdProtocolUdp ? "_udp" : "_tcp";
}
CHIP_ERROR ChipDnssdPublishService(const DnssdService * service, DnssdPublishCallback callback, void * context)
{
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD_SRP_CLIENT
ReturnErrorCodeIf(service == nullptr, CHIP_ERROR_INVALID_ARGUMENT);
if (strcmp(service->mHostName, "") != 0)
{
ReturnErrorOnFailure(ThreadStackMgr().SetupSrpHost(service->mHostName));
}
char serviceType[chip::Dnssd::kDnssdTypeAndProtocolMaxSize + 1];
snprintf(serviceType, sizeof(serviceType), "%s.%s", service->mType, GetProtocolString(service->mProtocol));
Span<const char * const> subTypes(service->mSubTypes, service->mSubTypeSize);
Span<const TextEntry> textEntries(service->mTextEntries, service->mTextEntrySize);
return ThreadStackMgr().AddSrpService(service->mName, serviceType, service->mPort, subTypes, textEntries);
#else
return CHIP_ERROR_NOT_IMPLEMENTED;
#endif // CHIP_DEVICE_CONFIG_ENABLE_THREAD_SRP_CLIENT
}
CHIP_ERROR ChipDnssdRemoveServices()
{
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD_SRP_CLIENT
ThreadStackMgr().InvalidateAllSrpServices();
return CHIP_NO_ERROR;
#else
return CHIP_ERROR_NOT_IMPLEMENTED;
#endif // CHIP_DEVICE_CONFIG_ENABLE_THREAD_SRP_CLIENT
}
CHIP_ERROR ChipDnssdFinalizeServiceUpdate()
{
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD_SRP_CLIENT
return ThreadStackMgr().RemoveInvalidSrpServices();
#else
return CHIP_ERROR_NOT_IMPLEMENTED;
#endif // CHIP_DEVICE_CONFIG_ENABLE_THREAD_SRP_CLIENT
}
CHIP_ERROR ChipDnssdBrowse(const char * type, DnssdServiceProtocol protocol, Inet::IPAddressType addressType,
Inet::InterfaceId interface, DnssdBrowseCallback callback, void * context)
{
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD_SRP_CLIENT && CHIP_DEVICE_CONFIG_ENABLE_THREAD_DNS_CLIENT
if (type == nullptr || callback == nullptr)
return CHIP_ERROR_INVALID_ARGUMENT;
char serviceType[Dnssd::kDnssdFullTypeAndProtocolMaxSize + 1]; // +1 for null-terminator
snprintf(serviceType, sizeof(serviceType), "%s.%s", type, GetProtocolString(protocol));
return ThreadStackMgr().DnsBrowse(serviceType, callback, context);
#else
return CHIP_ERROR_NOT_IMPLEMENTED;
#endif // CHIP_DEVICE_CONFIG_ENABLE_THREAD_SRP_CLIENT && CHIP_DEVICE_CONFIG_ENABLE_THREAD_DNS_CLIENT
}
CHIP_ERROR ChipDnssdResolve(DnssdService * browseResult, Inet::InterfaceId interface, DnssdResolveCallback callback, void * context)
{
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD_SRP_CLIENT && CHIP_DEVICE_CONFIG_ENABLE_THREAD_DNS_CLIENT
if (browseResult == nullptr || callback == nullptr)
return CHIP_ERROR_INVALID_ARGUMENT;
char serviceType[chip::Dnssd::kDnssdTypeAndProtocolMaxSize + 1];
snprintf(serviceType, sizeof(serviceType), "%s.%s", browseResult->mType, GetProtocolString(browseResult->mProtocol));
return ThreadStackMgr().DnsResolve(serviceType, browseResult->mName, callback, context);
#else
return CHIP_ERROR_NOT_IMPLEMENTED;
#endif // CHIP_DEVICE_CONFIG_ENABLE_THREAD_SRP_CLIENT && CHIP_DEVICE_CONFIG_ENABLE_THREAD_DNS_CLIENT
}
} // namespace Dnssd
} // namespace chip