blob: 34fedf831b5ecf7e93bacee4c9ef13e3c6cae807 [file] [log] [blame]
/*
*
* Copyright (c) 2020 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 <inet/InetInterface.h>
#include <lib/core/CHIPConfig.h>
#include <lib/core/CHIPError.h>
#include <lib/core/Global.h>
#include <lib/dnssd/Advertiser.h>
#include <lib/dnssd/Resolver.h>
#include <lib/dnssd/platform/Dnssd.h>
#include <platform/CHIPDeviceConfig.h>
// Enable detailed mDNS logging for publish
#undef DETAIL_LOGGING
// #define DETAIL_LOGGING
namespace chip {
namespace Dnssd {
class DiscoveryImplPlatform : public ServiceAdvertiser, public Resolver
{
public:
// Members that implement both ServiceAdveriser and Resolver interfaces.
CHIP_ERROR Init(Inet::EndPointManager<Inet::UDPEndPoint> *) override { return InitImpl(); }
bool IsInitialized() override;
void Shutdown() override;
// Members that implement ServiceAdvertiser interface.
CHIP_ERROR RemoveServices() override;
CHIP_ERROR Advertise(const OperationalAdvertisingParameters & params) override;
CHIP_ERROR Advertise(const CommissionAdvertisingParameters & params) override;
CHIP_ERROR FinalizeServiceUpdate() override;
CHIP_ERROR GetCommissionableInstanceName(char * instanceName, size_t maxLength) const override;
CHIP_ERROR UpdateCommissionableInstanceName() override;
// Members that implement Resolver interface.
void SetOperationalDelegate(OperationalResolveDelegate * delegate) override { mOperationalDelegate = delegate; }
CHIP_ERROR ResolveNodeId(const PeerId & peerId) override;
void NodeIdResolutionNoLongerNeeded(const PeerId & peerId) override;
CHIP_ERROR DiscoverCommissionableNodes(DiscoveryFilter filter, DiscoveryContext & context);
CHIP_ERROR DiscoverCommissioners(DiscoveryFilter filter, DiscoveryContext & context);
CHIP_ERROR StartDiscovery(DiscoveryType type, DiscoveryFilter filter, DiscoveryContext & context) override;
CHIP_ERROR StopDiscovery(DiscoveryContext & context) override;
CHIP_ERROR ReconfirmRecord(const char * hostname, Inet::IPAddress address, Inet::InterfaceId interfaceId) override;
static DiscoveryImplPlatform & GetInstance();
private:
enum class State : uint8_t
{
kUninitialized,
kInitializing,
kInitialized
};
DiscoveryImplPlatform() = default;
DiscoveryImplPlatform(const DiscoveryImplPlatform &) = delete;
DiscoveryImplPlatform & operator=(const DiscoveryImplPlatform &) = delete;
CHIP_ERROR InitImpl();
static void HandleDnssdInit(void * context, CHIP_ERROR initError);
static void HandleDnssdError(void * context, CHIP_ERROR initError);
static void HandleDnssdPublish(void * context, const char * type, const char * instanceName, CHIP_ERROR error);
static CHIP_ERROR GenerateRotatingDeviceId(char rotatingDeviceIdHexBuffer[], size_t & rotatingDeviceIdHexBufferSize);
CHIP_ERROR PublishService(const char * serviceType, TextEntry * textEntries, size_t textEntrySize, const char ** subTypes,
size_t subTypeSize, const OperationalAdvertisingParameters & params);
CHIP_ERROR PublishService(const char * serviceType, TextEntry * textEntries, size_t textEntrySize, const char ** subTypes,
size_t subTypeSize, const CommissionAdvertisingParameters & params);
CHIP_ERROR PublishService(const char * serviceType, TextEntry * textEntries, size_t textEntrySize, const char ** subTypes,
size_t subTypeSize, uint16_t port, Inet::InterfaceId interfaceId, const chip::ByteSpan & mac,
DnssdServiceProtocol procotol, PeerId peerId);
static void HandleNodeIdResolve(void * context, DnssdService * result, const Span<Inet::IPAddress> & addresses,
CHIP_ERROR error);
State mState = State::kUninitialized;
uint8_t mCommissionableInstanceName[sizeof(uint64_t)];
OperationalResolveDelegate * mOperationalDelegate = nullptr;
friend Global<DiscoveryImplPlatform>;
static Global<DiscoveryImplPlatform> sManager;
};
} // namespace Dnssd
} // namespace chip