Gateway return gateway ip

IPNet return raw ipnet

LoadAndStore returns the existing value for the key if present, while setting the new value for the key. It stores the new value and returns the exist

MarkReusable allows Close to return this request to the pool after the request header is committed.

MoveToBack moves the value associated with key to the back of the ordered map, i.e. makes it the newest pair in the map. Returns an error iff key is n

New creates an LruCache

NewAllocator initiates a []byte allocator for frames less than 65536 bytes, the waste(memory fragmentation) of space allocation is guaranteed to be no

NewFingerprintVerifier returns a function that verifies whether a certificate's SHA-256 fingerprint matches the given one.

Offset returns the offset element. It must not be called when the buffer is empty, that means that callers might need to check if there are elements i

PopFront returns the next element. It must not be called when the buffer is empty, that means that callers might need to check if there are elements i

PushFront prepends an element to the front of the queue.

Reader returns the internal bufio.Reader.

Set sets the key-value pair, and returns what `Get` would have returned on that key prior to the call to `Set`.

WriteDatagram sends a single UDP datagram frame over a reliable stream.

BytesFromBandwidthAndTimeDelta calculates the bytes from a bandwidth(bits per second) and a time delta

If the ifindex is zero, interfaceTable returns mappings of all network interfaces. Otherwise it returns a mapping of a specific interface.