Package derphttp implements DERP-over-HTTP.

CanAckPings returns a ClientOpt to set whether it advertises to the server that it's capable of acknowledging ping requests.

IsProber returns a ClientOpt to pass to the DERP server during connect to declare that this client is a a prober.

MeshKey returns a ClientOpt to pass to the DERP server during connect to get access to join the mesh.

NewServer returns a new DERP server.

ServerPublicKey returns a ClientOpt to declare that the server's DERP public key is known.

MaxPacketSize is the maximum size of a packet sent over DERP.

ProtocolVersion is bumped whenever there's a wire-incompatible change.

BytesSentRecv records the number of bytes that have been sent since the last traffic check for a given process, as well as the public key of the process sending those bytes.

Client is a DERP client.

HealthMessage is a one-way message from server to client, declaring the connection health state.

KeepAliveMessage is a one-way empty message from server to client, just to keep the connection alive.

ReceivedPacket is a ReceivedMessage representing an incoming packet.

Server is a DERP server.

ServerInfoMessage is sent by the server upon first connect.

ServerRestartingMessage is a one-way message from server to client, advertising that the server is restarting.

ClientOpt is an option passed to NewClient.

Conn is the subset of the underlying net.Conn the DERP Server needs.

PacketForwarder is something that can forward packets.

ReceivedMessage represents a type returned by Client.Recv.

PeerGoneMessage is a ReceivedMessage that indicates that the client identified by the underlying public key had previously sent you a packet but has now disconnected from the server.

PeerPresentMessage is a ReceivedMessage that indicates that the client is connected to the server.

PingMessage is a request from a client or server to reply to the other side with a PongMessage with the given payload.

PongMessage is a reply to a PingMessage from a client or server with the payload sent previously in a PingMessage.