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ot::NetworkData::MutableNetworkData class
Represents mutable Network Data.
Syntax
class MutableNetworkData;
typedef otNetworkDataIterator Iterator;
constexpr Iterator kIteratorInit = OT_NETWORK_DATA_ITERATOR_INIT;
class NetworkData : public InstanceLocator
{
friend class Leader;
friend class Publisher;
friend class MutableNetworkData;
friend class Service::Manager;
public:
static constexpr uint8_t kMaxSize = 254;
explicit NetworkData(Instance &aInstance, const uint8_t *aTlvs = nullptr, uint8_t aLength = 0)
: InstanceLocator(aInstance)
, mTlvs(aTlvs)
, mLength(aLength)
{
}
NetworkData(Instance &aInstance, const NetworkDataTlv *aStartTlv, const NetworkDataTlv *aEndTlv)
: InstanceLocator(aInstance)
, mTlvs(reinterpret_cast<const uint8_t *>(aStartTlv))
, mLength(static_cast<uint8_t>(reinterpret_cast<const uint8_t *>(aEndTlv) -
reinterpret_cast<const uint8_t *>(aStartTlv)))
{
}
uint8_t GetLength(void) const { return mLength; }
const uint8_t *GetBytes(void) const { return mTlvs; }
Error CopyNetworkData(Type aType, uint8_t *aData, uint8_t &aDataLength) const;
Error CopyNetworkData(Type aType, MutableNetworkData &aNetworkData) const;
Error GetNextOnMeshPrefix(Iterator &aIterator, OnMeshPrefixConfig &aConfig) const;
Error GetNextOnMeshPrefix(Iterator &aIterator, uint16_t aRloc16, OnMeshPrefixConfig &aConfig) const;
Error GetNextExternalRoute(Iterator &aIterator, ExternalRouteConfig &aConfig) const;
Error GetNextExternalRoute(Iterator &aIterator, uint16_t aRloc16, ExternalRouteConfig &aConfig) const;
Error GetNextService(Iterator &aIterator, ServiceConfig &aConfig) const;
Error GetNextService(Iterator &aIterator, uint16_t aRloc16, ServiceConfig &aConfig) const;
Error GetNextLowpanContextInfo(Iterator &aIterator, LowpanContextInfo &aContextInfo) const;
bool ContainsOnMeshPrefix(const OnMeshPrefixConfig &aPrefix) const;
bool ContainsExternalRoute(const ExternalRouteConfig &aRoute) const;
bool ContainsService(const ServiceConfig &aService) const;
bool ContainsEntriesFrom(const NetworkData &aCompare, uint16_t aRloc16) const;
Error FindDomainIdFor(const Ip6::Prefix &aPrefix, uint8_t &aDomainId) const;
void FindRlocs(BorderRouterFilter aBrFilter, RoleFilter aRoleFilter, Rlocs &aRlocs) const;
uint8_t CountBorderRouters(RoleFilter aRoleFilter) const;
bool ContainsBorderRouterWithRloc(uint16_t aRloc16) const;
protected:
enum ServiceMatchMode : uint8_t
{
kServicePrefixMatch,
kServiceExactMatch,
};
const NetworkDataTlv *GetTlvsStart(void) const { return reinterpret_cast<const NetworkDataTlv *>(mTlvs); }
const NetworkDataTlv *GetTlvsEnd(void) const { return reinterpret_cast<const NetworkDataTlv *>(mTlvs + mLength); }
const PrefixTlv *FindPrefix(const uint8_t *aPrefix, uint8_t aPrefixLength) const;
const PrefixTlv *FindPrefix(const Ip6::Prefix &aPrefix) const
{
return FindPrefix(aPrefix.GetBytes(), aPrefix.GetLength());
}
const ServiceTlv *FindService(uint32_t aEnterpriseNumber,
const ServiceData &aServiceData,
ServiceMatchMode aServiceMatchMode) const;
const ServiceTlv *FindNextService(const ServiceTlv *aPrevServiceTlv,
uint32_t aEnterpriseNumber,
const ServiceData &aServiceData,
ServiceMatchMode aServiceMatchMode) const;
const ServiceTlv *FindNextThreadService(const ServiceTlv *aPrevServiceTlv,
const ServiceData &aServiceData,
ServiceMatchMode aServiceMatchMode) const;
private:
class NetworkDataIterator
{
public:
explicit NetworkDataIterator(Iterator &aIterator)
: mIteratorBuffer(reinterpret_cast<uint8_t *>(&aIterator))
{
}
const NetworkDataTlv *GetTlv(const uint8_t *aTlvs) const
{
return reinterpret_cast<const NetworkDataTlv *>(aTlvs + GetTlvOffset());
}
void AdvanceTlv(const uint8_t *aTlvs)
{
SaveTlvOffset(GetTlv(aTlvs)->GetNext(), aTlvs);
SetSubTlvOffset(0);
SetEntryIndex(0);
}
const NetworkDataTlv *GetSubTlv(const NetworkDataTlv *aSubTlvs) const
{
return reinterpret_cast<const NetworkDataTlv *>(reinterpret_cast<const uint8_t *>(aSubTlvs) +
GetSubTlvOffset());
}
void AdvanceSubTlv(const NetworkDataTlv *aSubTlvs)
{
SaveSubTlvOffset(GetSubTlv(aSubTlvs)->GetNext(), aSubTlvs);
SetEntryIndex(0);
}
uint8_t GetAndAdvanceIndex(void) { return mIteratorBuffer[kEntryPosition]++; }
bool IsNewEntry(void) const { return GetEntryIndex() == 0; }
void MarkEntryAsNotNew(void) { SetEntryIndex(1); }
private:
static constexpr uint8_t kTlvPosition = 0;
static constexpr uint8_t kSubTlvPosition = 1;
static constexpr uint8_t kEntryPosition = 2;
uint8_t GetTlvOffset(void) const { return mIteratorBuffer[kTlvPosition]; }
uint8_t GetSubTlvOffset(void) const { return mIteratorBuffer[kSubTlvPosition]; }
void SetSubTlvOffset(uint8_t aOffset) { mIteratorBuffer[kSubTlvPosition] = aOffset; }
void SetTlvOffset(uint8_t aOffset) { mIteratorBuffer[kTlvPosition] = aOffset; }
uint8_t GetEntryIndex(void) const { return mIteratorBuffer[kEntryPosition]; }
void SetEntryIndex(uint8_t aIndex) { mIteratorBuffer[kEntryPosition] = aIndex; }
void SaveTlvOffset(const NetworkDataTlv *aTlv, const uint8_t *aTlvs)
{
SetTlvOffset(static_cast<uint8_t>(reinterpret_cast<const uint8_t *>(aTlv) - aTlvs));
}
void SaveSubTlvOffset(const NetworkDataTlv *aSubTlv, const NetworkDataTlv *aSubTlvs)
{
SetSubTlvOffset(static_cast<uint8_t>(reinterpret_cast<const uint8_t *>(aSubTlv) -
reinterpret_cast<const uint8_t *>(aSubTlvs)));
}
uint8_t *mIteratorBuffer;
};
struct Config
{
OnMeshPrefixConfig *mOnMeshPrefix;
ExternalRouteConfig *mExternalRoute;
ServiceConfig *mService;
LowpanContextInfo *mLowpanContext;
};
Error Iterate(Iterator &aIterator, uint16_t aRloc16, Config &aConfig) const;
static bool MatchService(const ServiceTlv &aServiceTlv,
uint32_t aEnterpriseNumber,
const ServiceData &aServiceData,
ServiceMatchMode aServiceMatchMode);
static void AddRloc16ToRlocs(uint16_t aRloc16, Rlocs &aRlocs, RoleFilter aRoleFilter);
const uint8_t *mTlvs;
uint8_t mLength;
};
class MutableNetworkData : public NetworkData;
Implemented in ![]()
network_data.hpp:558
Fields
Field
Declared as