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ot::OffsetRange class
Represents an offset range.
Syntax
class OffsetRange : public Clearable<OffsetRange>
{
public:
void Init(uint16_t aOffset, uint16_t aLength);
void InitFromRange(uint16_t aStartOffset, uint16_t aEndOffset);
void InitFromMessageOffsetToEnd(const Message &aMessage);
void InitFromMessageFullLength(const Message &aMessage);
uint16_t GetOffset(void) const { return mOffset; }
uint16_t GetEndOffset(void) const { return (mOffset + mLength); }
uint16_t GetLength(void) const { return mLength; }
bool IsEmpty(void) const { return (mLength == 0); }
bool Contains(uint32_t aLength) const { return aLength <= mLength; }
void AdvanceOffset(uint32_t aLength);
void ShrinkLength(uint16_t aLength);
private:
uint16_t mOffset;
uint16_t mLength;
};
Fields
Related Functions
Found 6 other functions taking a OffsetRange
argument:
Function
Description
Finds the offset range of the TLV value for a given TLV type within @p aMessage. Can be used independent of whether the read TLV (from message) is an Extended TLV or not.
Parses and validates the IPv6 Option from a given message. The Option is read from @p aOffset in @p aMessage. This method then checks that the entire Option is present within @p aOffsetRange.
Reads the challenge bytes from given message. If the given @p aLength is longer than `kMaxSize`, only `kMaxSize` bytes will be read.
Processes an MPL option. When the MPL module acts as an MPL Forwarder it disseminates MPL Data Message using Trickle timer expirations. When acts as an MPL Seed it allows to send the first MPL Data Message directly, then sets up Trickle timer expirations for subsequent retransmissions.
Is used by non-Leader devices to set Network Data by reading it from a message from Leader.