tunnel

var (
	// DiscoverTime sets the time at which we fire discover messages
	DiscoverTime = 30 * time.Second
	// KeepAliveTime defines time interval we send keepalive messages to outbound links
	KeepAliveTime = 30 * time.Second
	// ReconnectTime defines time interval we periodically attempt to reconnect dead links
	ReconnectTime = 5 * time.Second
)

var (
	// DefaultAddress is default tunnel bind address
	DefaultAddress = ":0"
	// The shared default token
	DefaultToken = "go.micro.tunnel"
)

var (
	// DefaultDialTimeout is the dial timeout if none is specified
	DefaultDialTimeout = time.Second * 5
	// ErrDialTimeout is returned by a call to Dial where the timeout occurs
	ErrDialTimeout = errors.New("dial timeout")
	// ErrDiscoverChan is returned when we failed to receive the "announce" back from a discovery
	ErrDiscoverChan = errors.New("failed to discover channel")
	// ErrLinkNotFound is returned when a link is specified at dial time and does not exist
	ErrLinkNotFound = errors.New("link not found")
	// ErrLinkDisconnected is returned when a link we attempt to send to is disconnected
	ErrLinkDisconnected = errors.New("link not connected")
	// ErrLinkLoppback is returned when attempting to send an outbound message over loopback link
	ErrLinkLoopback = errors.New("link is loopback")
	// ErrLinkRemote is returned when attempting to send a loopback message over remote link
	ErrLinkRemote = errors.New("link is remote")
	// ErrReadTimeout is a timeout on session.Recv
	ErrReadTimeout = errors.New("read timeout")
	// ErrDecryptingData is for when theres a nonce error
	ErrDecryptingData = errors.New("error decrypting data")
)

var (
	ErrLinkConnectTimeout = errors.New("link connect timeout")
)