utils

Nov 26, 2020

Changes in this version

+ func GetMsgBuf(size int) []byte

+ func GetMsgBufFor(m *dns.Msg) ([]byte, error)

+ func ReleaseMsgBuf(buf []byte)

+ type Allocator struct

+ func NewAllocator() *Allocator

+ func (alloc *Allocator) Get(size int) []byte

+ func (alloc *Allocator) Put(buf []byte)

type LoadOnceCache

+ func (c *LoadOnceCache) LoadFromCacheOrRawDisk(file string) (interface{}, []byte, error)

Oct 25, 2020

Changes in this version

+ func GetTimer(t time.Duration) *time.Timer

+ func Load(key string) (interface{}, bool)

+ func Put(key string, data interface{}, ttl time.Duration)

+ func ReleaseTimer(timer *time.Timer)

+ func Remove(key string)

+ func ResetAndDrainTimer(timer *time.Timer, d time.Duration)

+ type LoadOnceCache struct

+ func NewCache() *LoadOnceCache

+ func (c *LoadOnceCache) Load(key string) (interface{}, bool)

+ func (c *LoadOnceCache) Put(key string, data interface{}, ttl time.Duration)

+ func (c *LoadOnceCache) Remove(key string)

Sep 18, 2020

Changes in this version

+ const IPv6UdpMaxPayload

Sep 11, 2020

Changes in this version

+ const IPv4UdpMaxPayload

+ func ReadMsgFromTCP(c io.Reader) (m *dns.Msg, n int, err error)

+ func ReadMsgFromUDP(c io.Reader, bufSize int) (m *dns.Msg, n int, err error)

+ func ReadUDPMsgFrom(c net.PacketConn, bufSize int) (m *dns.Msg, from net.Addr, n int, err error)

+ func WriteMsgToTCP(c io.Writer, m *dns.Msg) (n int, err error)

+ func WriteMsgToUDP(c io.Writer, m *dns.Msg) (n int, err error)

+ func WriteRawMsgToTCP(c io.Writer, b []byte) (n int, err error)

+ func WriteRawMsgToUDP(c io.Writer, b []byte) (n int, err error)

+ func WriteUDPMsgTo(m *dns.Msg, c net.PacketConn, to net.Addr) (n int, err error)

Jul 6, 2020

Changes in this version

+ func GetAnswerMinTTL(m *dns.Msg) uint32

+ func SetAnswerTTL(m *dns.Msg, ttl uint32)

Jun 12, 2020

Changes in this version

+ func ExchangeMsgID(newID uint16, m []byte) (oldID uint16)

+ func GetMsgID(m []byte) uint16

+ func SetMsgID(id uint16, m []byte)