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ot::NetworkData::PrefixTlv class
Syntax
class PrefixTlv : public NetworkDataTlv
{
public:
static constexpr Type kType = kTypePrefix;
void Init(uint8_t aDomainId, uint8_t aPrefixLength, const uint8_t *aPrefix)
{
NetworkDataTlv::Init();
SetType(kTypePrefix);
mDomainId = aDomainId;
mPrefixLength = aPrefixLength;
memcpy(GetPrefix(), aPrefix, Ip6::Prefix::SizeForLength(aPrefixLength));
SetSubTlvsLength(0);
}
void Init(uint8_t aDomainId, const Ip6::Prefix aPrefix)
{
Init(aDomainId, aPrefix.GetLength(), aPrefix.GetBytes());
}
bool IsValid(void) const
{
return ((GetLength() >= sizeof(*this) - sizeof(NetworkDataTlv)) &&
(GetLength() >= Ip6::Prefix::SizeForLength(mPrefixLength) + sizeof(*this) - sizeof(NetworkDataTlv)) &&
(Ip6::Prefix::SizeForLength(mPrefixLength) <= sizeof(Ip6::Address)));
}
uint8_t GetDomainId(void) const { return mDomainId; }
uint8_t GetPrefixLength(void) const { return mPrefixLength; }
uint8_t *GetPrefix(void) { return reinterpret_cast<uint8_t *>(this) + sizeof(*this); }
const uint8_t *GetPrefix(void) const { return reinterpret_cast<const uint8_t *>(this) + sizeof(*this); }
void CopyPrefixTo(Ip6::Prefix &aPrefix) const { aPrefix.Set(GetPrefix(), GetPrefixLength()); }
bool IsEqual(Ip6::Prefix &aPrefix) const { return aPrefix.IsEqual(GetPrefix(), GetPrefixLength()); }
bool IsEqual(const uint8_t *aPrefix, uint8_t aPrefixLength) const
{
return (aPrefixLength == mPrefixLength) &&
(Ip6::Prefix::MatchLength(GetPrefix(), aPrefix, Ip6::Prefix::SizeForLength(aPrefixLength)) >=
mPrefixLength);
}
NetworkDataTlv *GetSubTlvs(void)
{
return reinterpret_cast<NetworkDataTlv *>(GetPrefix() + Ip6::Prefix::SizeForLength(mPrefixLength));
}
const NetworkDataTlv *GetSubTlvs(void) const
{
return reinterpret_cast<const NetworkDataTlv *>(GetPrefix() + Ip6::Prefix::SizeForLength(mPrefixLength));
}
uint8_t GetSubTlvsLength(void) const
{
return GetLength() - (sizeof(*this) - sizeof(NetworkDataTlv) + Ip6::Prefix::SizeForLength(mPrefixLength));
}
void SetSubTlvsLength(uint8_t aLength)
{
SetLength(sizeof(*this) - sizeof(NetworkDataTlv) + Ip6::Prefix::SizeForLength(mPrefixLength) + aLength);
}
template <typename SubTlvType> SubTlvType *FindSubTlv(void)
{
return As<SubTlvType>(FindSubTlv(SubTlvType::kType));
}
template <typename SubTlvType> const SubTlvType *FindSubTlv(void) const
{
return As<SubTlvType>(FindSubTlv(SubTlvType::kType));
}
template <typename SubTlvType> SubTlvType *FindSubTlv(bool aStable)
{
return As<SubTlvType>(FindSubTlv(static_cast<Type>(SubTlvType::kType), aStable));
}
template <typename SubTlvType> const SubTlvType *FindSubTlv(bool aStable) const
{
return As<SubTlvType>(FindSubTlv(static_cast<Type>(SubTlvType::kType), aStable));
}
NetworkDataTlv *FindSubTlv(Type aType) { return AsNonConst(AsConst(this)->FindSubTlv(aType)); }
const NetworkDataTlv *FindSubTlv(Type aType) const;
NetworkDataTlv *FindSubTlv(Type aType, bool aStable)
{
return AsNonConst(AsConst(this)->FindSubTlv(aType, aStable));
}
const NetworkDataTlv *FindSubTlv(Type aType, bool aStable) const;
static uint16_t CalculateSize(uint8_t aPrefixLength)
{
return sizeof(PrefixTlv) + Ip6::Prefix::SizeForLength(aPrefixLength);
}
private:
uint8_t mDomainId;
uint8_t mPrefixLength;
};
Fields
Field
Declared as
Related Functions
Found 16 other functions taking a PrefixTlv
argument:
Function