Symbols ![]()
loading (3/5)...
Files ![]()
loading (4/5)...
ot::Dns::ResourceRecord class
Syntax
class ResourceRecord
{
friend class OptRecord;
public:
static constexpr uint16_t kTypeZero = 0;
static constexpr uint16_t kTypeA = 1;
static constexpr uint16_t kTypeSoa = 6;
static constexpr uint16_t kTypeCname = 5;
static constexpr uint16_t kTypePtr = 12;
static constexpr uint16_t kTypeTxt = 16;
static constexpr uint16_t kTypeSig = 24;
static constexpr uint16_t kTypeKey = 25;
static constexpr uint16_t kTypeAaaa = 28;
static constexpr uint16_t kTypeSrv = 33;
static constexpr uint16_t kTypeOpt = 41;
static constexpr uint16_t kTypeNsec = 47;
static constexpr uint16_t kTypeAny = 255;
static constexpr uint16_t kClassInternet = 1;
static constexpr uint16_t kClassNone = 254;
static constexpr uint16_t kClassAny = 255;
void Init(uint16_t aType, uint16_t aClass = kClassInternet)
{
SetType(aType);
SetClass(aClass);
}
bool Matches(uint16_t aType, uint16_t aClass = kClassInternet) const
{
return (mType == BigEndian::HostSwap16(aType)) && (mClass == BigEndian::HostSwap16(aClass));
}
uint16_t GetType(void) const { return BigEndian::HostSwap16(mType); }
void SetType(uint16_t aType) { mType = BigEndian::HostSwap16(aType); }
uint16_t GetClass(void) const { return BigEndian::HostSwap16(mClass); }
void SetClass(uint16_t aClass) { mClass = BigEndian::HostSwap16(aClass); }
uint32_t GetTtl(void) const { return BigEndian::HostSwap32(mTtl); }
void SetTtl(uint32_t aTtl) { mTtl = BigEndian::HostSwap32(aTtl); }
uint16_t GetLength(void) const { return BigEndian::HostSwap16(mLength); }
void SetLength(uint16_t aLength) { mLength = BigEndian::HostSwap16(aLength); }
uint32_t GetSize(void) const { return sizeof(ResourceRecord) + GetLength(); }
static Error ParseRecords(const Message &aMessage, uint16_t &aOffset, uint16_t aNumRecords);
static Error FindRecord(const Message &aMessage, uint16_t &aOffset, uint16_t &aNumRecords, const Name &aName);
template <class RecordType>
static Error FindRecord(const Message &aMessage,
uint16_t &aOffset,
uint16_t aNumRecords,
uint16_t aIndex,
const Name &aName,
RecordType &aRecord)
{
return FindRecord(aMessage, aOffset, aNumRecords, aIndex, aName, RecordType::kType, aRecord,
sizeof(RecordType));
}
template <class RecordType> static Error ReadRecord(const Message &aMessage, uint16_t &aOffset, RecordType &aRecord)
{
return ReadRecord(aMessage, aOffset, RecordType::kType, aRecord, sizeof(RecordType));
}
protected:
Error ReadName(const Message &aMessage,
uint16_t &aOffset,
uint16_t aStartOffset,
char *aNameBuffer,
uint16_t aNameBufferSize,
bool aSkipRecord) const;
Error SkipRecord(const Message &aMessage, uint16_t &aOffset) const;
private:
static constexpr uint16_t kType = kTypeAny;
static Error FindRecord(const Message &aMessage,
uint16_t &aOffset,
uint16_t aNumRecords,
uint16_t aIndex,
const Name &aName,
uint16_t aType,
ResourceRecord &aRecord,
uint16_t aMinRecordSize);
static Error ReadRecord(const Message &aMessage,
uint16_t &aOffset,
uint16_t aType,
ResourceRecord &aRecord,
uint16_t aMinRecordSize);
Error CheckRecord(const Message &aMessage, uint16_t aOffset) const;
Error ReadFrom(const Message &aMessage, uint16_t aOffset);
uint16_t mType;
uint16_t mClass;
uint32_t mTtl;
uint16_t mLength;
};
Fields
Field
Declared as
uint16_t
uint16_t
uint32_t
uint16_t
Related Functions
Found 4 other functions taking a ResourceRecord
argument:
References
Code
Location
Scope
Referrer
Class Tree
ot::Dns::ResourceRecord inherits 10 classess:
Instances
Instance
Scope
Location
Project