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components/openthread/openthread/src/core/net/dnssd.cpp
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/*
* Copyright (c) 2023, The OpenThread Authors.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file
* This file implements infrastructure DNS-SD module.
*/
#include "dnssd.hpp"
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE || OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
#include "instance/instance.hpp"
namespace ot {
//---------------------------------------------------------------------------------------------------------------------
// Dnssd::RequestIdRange
void Dnssd::RequestIdRange::Add(RequestId aId)
{
if (IsEmpty())
{
mStart = aId;
mEnd = aId + 1;
}
else if (SerialNumber::IsLess(aId, mStart)) // Equivalent to (aId < mStart)
{
mStart = aId;
}
else if (!SerialNumber::IsLess(aId, mEnd)) // Equivalent to !(aId < mEd) -> (aId >= mEnd)
{
mEnd = aId + 1;
}
}
void Dnssd::RequestIdRange::Remove(RequestId aId)
{
if (!IsEmpty())
{
if (aId == mStart)
{
mStart++;
}
else if (aId + 1 == mEnd)
{
mEnd--;
}
}
}
bool Dnssd::RequestIdRange::Contains(RequestId aId) const
{
// Equivalent to `(aId >= mStart) && (aId < mEnd)`
return (!SerialNumber::IsLess(aId, mStart) && SerialNumber::IsLess(aId, mEnd));
}
//---------------------------------------------------------------------------------------------------------------------
// Dnssd
Dnssd::Dnssd(Instance &aInstance)
: InstanceLocator(aInstance)
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
, mUseNativeMdns(true)
#endif
{
}
Dnssd::State Dnssd::GetState(void) const
{
State state;
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
state = Get<Dns::Multicast::Core>().IsEnabled() ? kReady : kStopped;
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
state = MapEnum(otPlatDnssdGetState(&GetInstance()));
ExitNow();
#endif
exit:
return state;
}
void Dnssd::RegisterService(const Service &aService, RequestId aRequestId, RegisterCallback aCallback)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().RegisterService(aService, aRequestId, aCallback));
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdRegisterService(&GetInstance(), &aService, aRequestId, aCallback);
#endif
exit:
return;
}
void Dnssd::UnregisterService(const Service &aService, RequestId aRequestId, RegisterCallback aCallback)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().UnregisterService(aService));
VerifyOrExit(aCallback != nullptr);
aCallback(&GetInstance(), aRequestId, kErrorNone);
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdUnregisterService(&GetInstance(), &aService, aRequestId, aCallback);
#endif
exit:
return;
}
void Dnssd::RegisterHost(const Host &aHost, RequestId aRequestId, RegisterCallback aCallback)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().RegisterHost(aHost, aRequestId, aCallback));
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdRegisterHost(&GetInstance(), &aHost, aRequestId, aCallback);
#endif
exit:
return;
}
void Dnssd::UnregisterHost(const Host &aHost, RequestId aRequestId, RegisterCallback aCallback)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().UnregisterHost(aHost));
VerifyOrExit(aCallback != nullptr);
aCallback(&GetInstance(), aRequestId, kErrorNone);
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdUnregisterHost(&GetInstance(), &aHost, aRequestId, aCallback);
#endif
exit:
return;
}
void Dnssd::RegisterKey(const Key &aKey, RequestId aRequestId, RegisterCallback aCallback)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().RegisterKey(aKey, aRequestId, aCallback));
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdRegisterKey(&GetInstance(), &aKey, aRequestId, aCallback);
#endif
exit:
return;
}
void Dnssd::UnregisterKey(const Key &aKey, RequestId aRequestId, RegisterCallback aCallback)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().UnregisterKey(aKey));
VerifyOrExit(aCallback != nullptr);
aCallback(&GetInstance(), aRequestId, kErrorNone);
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdUnregisterKey(&GetInstance(), &aKey, aRequestId, aCallback);
#endif
exit:
return;
}
void Dnssd::StartBrowser(const Browser &aBrowser)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().StartBrowser(aBrowser));
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdStartBrowser(&GetInstance(), &aBrowser);
#endif
exit:
return;
}
void Dnssd::StopBrowser(const Browser &aBrowser)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().StopBrowser(aBrowser));
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdStopBrowser(&GetInstance(), &aBrowser);
#endif
exit:
return;
}
void Dnssd::StartSrvResolver(const SrvResolver &aResolver)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().StartSrvResolver(aResolver));
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdStartSrvResolver(&GetInstance(), &aResolver);
#endif
exit:
return;
}
void Dnssd::StopSrvResolver(const SrvResolver &aResolver)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().StopSrvResolver(aResolver));
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdStopSrvResolver(&GetInstance(), &aResolver);
#endif
exit:
return;
}
void Dnssd::StartTxtResolver(const TxtResolver &aResolver)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().StartTxtResolver(aResolver));
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdStartTxtResolver(&GetInstance(), &aResolver);
#endif
exit:
return;
}
void Dnssd::StopTxtResolver(const TxtResolver &aResolver)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().StopTxtResolver(aResolver));
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdStopTxtResolver(&GetInstance(), &aResolver);
#endif
exit:
return;
}
void Dnssd::StartIp6AddressResolver(const AddressResolver &aResolver)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().StartIp6AddressResolver(aResolver));
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdStartIp6AddressResolver(&GetInstance(), &aResolver);
#endif
exit:
return;
}
void Dnssd::StopIp6AddressResolver(const AddressResolver &aResolver)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().StopIp6AddressResolver(aResolver));
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdStopIp6AddressResolver(&GetInstance(), &aResolver);
#endif
exit:
return;
}
void Dnssd::StartIp4AddressResolver(const AddressResolver &aResolver)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().StartIp4AddressResolver(aResolver));
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdStartIp4AddressResolver(&GetInstance(), &aResolver);
#endif
exit:
return;
}
void Dnssd::StopIp4AddressResolver(const AddressResolver &aResolver)
{
VerifyOrExit(IsReady());
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
{
IgnoreError(Get<Dns::Multicast::Core>().StopIp4AddressResolver(aResolver));
ExitNow();
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
otPlatDnssdStopIp4AddressResolver(&GetInstance(), &aResolver);
#endif
exit:
return;
}
void Dnssd::HandleStateChange(void)
{
#if OPENTHREAD_CONFIG_SRP_SERVER_ADVERTISING_PROXY_ENABLE
Get<Srp::AdvertisingProxy>().HandleDnssdPlatformStateChange();
#endif
#if OPENTHREAD_CONFIG_DNSSD_SERVER_ENABLE && OPENTHREAD_CONFIG_DNSSD_DISCOVERY_PROXY_ENABLE
Get<Dns::ServiceDiscovery::Server>().HandleDnssdPlatformStateChange();
#endif
}
#if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
void Dnssd::HandleMdnsCoreStateChange(void)
{
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ALLOW_RUN_TIME_SELECTION
if (mUseNativeMdns)
#endif
{
HandleStateChange();
}
}
#endif
#if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE
extern "C" void otPlatDnssdStateHandleStateChange(otInstance *aInstance)
{
AsCoreType(aInstance).Get<Dnssd>().HandleStateChange();
}
#endif
} // namespace ot
#endif // OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE || OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
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