lnd.xprv/lnwire/pong.go
eugene 7ff04d8bad
lnwire: remove MaxPayloadLength from Message interface
Removes the MaxPayloadLength function from the Message interface
and checks that each message payload is not greater than MaxMsgBody.
Since all messages are now allowed to be 65535 bytes in size, the
MaxPayloadLength is no longer needed.
2021-03-04 16:48:10 -05:00

56 lines
1.5 KiB
Go

package lnwire
import "io"
// PongPayload is a set of opaque bytes sent in response to a ping message.
type PongPayload []byte
// Pong defines a message which is the direct response to a received Ping
// message. A Pong reply indicates that a connection is still active. The Pong
// reply to a Ping message should contain the nonce carried in the original
// Pong message.
type Pong struct {
// PongBytes is a set of opaque bytes that corresponds to the
// NumPongBytes defined in the ping message that this pong is
// replying to.
PongBytes PongPayload
}
// NewPong returns a new Pong message.
func NewPong(pongBytes []byte) *Pong {
return &Pong{
PongBytes: pongBytes,
}
}
// A compile time check to ensure Pong implements the lnwire.Message interface.
var _ Message = (*Pong)(nil)
// Decode deserializes a serialized Pong message stored in the passed io.Reader
// observing the specified protocol version.
//
// This is part of the lnwire.Message interface.
func (p *Pong) Decode(r io.Reader, pver uint32) error {
return ReadElements(r,
&p.PongBytes,
)
}
// Encode serializes the target Pong into the passed io.Writer observing the
// protocol version specified.
//
// This is part of the lnwire.Message interface.
func (p *Pong) Encode(w io.Writer, pver uint32) error {
return WriteElements(w,
p.PongBytes,
)
}
// MsgType returns the integer uniquely identifying this message type on the
// wire.
//
// This is part of the lnwire.Message interface.
func (p *Pong) MsgType() MessageType {
return MsgPong
}