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ot::MeshCoP::SteeringData class
Represents Steering Data (bloom filter).
Syntax
class SteeringData : public otSteeringData
{
public:
static constexpr uint8_t kMaxLength = OT_STEERING_DATA_MAX_LENGTH;
struct HashBitIndexes
{
static constexpr uint8_t kNumIndexes = 2;
uint16_t mIndex[kNumIndexes];
};
void Init(uint8_t aLength = kMaxLength);
void Clear(void) { Init(1); }
void SetToPermitAllJoiners(void);
uint8_t GetLength(void) const { return mLength; }
const uint8_t *GetData(void) const { return m8; }
uint8_t *GetData(void) { return m8; }
void UpdateBloomFilter(const Mac::ExtAddress &aJoinerId);
void UpdateBloomFilter(const JoinerDiscerner &aDiscerner);
bool IsEmpty(void) const { return DoesAllMatch(0); }
bool PermitsAllJoiners(void) const { return (mLength > 0) && DoesAllMatch(kPermitAll); }
bool Contains(const Mac::ExtAddress &aJoinerId) const;
bool Contains(const JoinerDiscerner &aDiscerner) const;
bool Contains(const HashBitIndexes &aIndexes) const;
static void CalculateHashBitIndexes(const Mac::ExtAddress &aJoinerId, HashBitIndexes &aIndexes);
static void CalculateHashBitIndexes(const JoinerDiscerner &aDiscerner, HashBitIndexes &aIndexes);
private:
static constexpr uint8_t kPermitAll = 0xff;
uint8_t GetNumBits(void) const { return (mLength * kBitsPerByte); }
uint8_t BitIndex(uint8_t aBit) const { return (mLength - 1 - (aBit / kBitsPerByte)); }
uint8_t BitFlag(uint8_t aBit) const { return static_cast<uint8_t>(1U << (aBit % kBitsPerByte)); }
bool GetBit(uint8_t aBit) const { return (m8[BitIndex(aBit)] & BitFlag(aBit)) != 0; }
void SetBit(uint8_t aBit) { m8[BitIndex(aBit)] |= BitFlag(aBit); }
void ClearBit(uint8_t aBit) { m8[BitIndex(aBit)] &= ~BitFlag(aBit); }
bool DoesAllMatch(uint8_t aMatch) const;
void UpdateBloomFilter(const HashBitIndexes &aIndexes);
};
Fields
Related Functions
Found 2 other functions taking a SteeringData
argument:
Function
Description
Finds and read the Steering Data in Commissioning Data TLV.
Copies the Steering Data from the TLV into a given `SteeringData` variable.