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wasmbus

package

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Versions in this module

v0

v0.1.5

Feb 9, 2026

v0.1.4

Dec 18, 2025

Changes in this version

+ const NatsDefaultURL

+ const NoBackLog

+ const PatternAll

+ var ErrDecode = errors.New("decode error")

+ var ErrEncode = errors.New("encode error")

+ var ErrInternal = errors.New("internal error")

+ var ErrOperation = errors.New("operation error")

+ var ErrTransport = errors.New("transport error")

+ var ErrValidation = errors.New("validation error")

+ func Decode(rawResp *Message, into any) error

+ func EncodeMimetype(payload any, mimeType string) ([]byte, error)

+ func NatsConnect(url string, options ...NatsOption) (*nats.Conn, error)

+ func NatsDefaultServerOptions() *server.Options

+ func NatsEmbeddedServer(opts *server.Options, startTimeout time.Duration) (*server.Server, error)

+ func NewInbox() string

+ type AnyServerHandler interface

+ HandleMessage func(ctx context.Context, msg *Message) error

+ type Bus interface

+ Publish func(msg *Message) error

+ QueueSubscribe func(subject string, queue string, backlog int) (Subscription, error)

+ Request func(ctx context.Context, msg *Message) (*Message, error)

+ Subscribe func(subject string, backlog int) (Subscription, error)

+ type Header = http.Header

+ type LatticeRequest struct

+ Bus Bus

+ PostRequest func(context.Context, *Y, *Message) error

+ PreRequest func(context.Context, T, *Message) error

+ Request T

+ Response Y

+ Subject string

+ func NewLatticeRequest[T any, Y any](bus Bus, subject string, in T, out Y) *LatticeRequest[T, Y]

+ func (l *LatticeRequest[T, Y]) Execute(ctx context.Context) (*Y, error)

+ type Message struct

+ Data []byte

+ Header Header

+ Reply string

+ Subject string

+ func Encode(subject string, payload any) (*Message, error)

+ func NewMessage(subject string) *Message

+ func (m *Message) Bus() Bus

+ func (m *Message) LastSubjectPart() string

+ func (m *Message) SubjectParts() []string

+ type NatsBus struct

+ func NewNatsBus(nc *nats.Conn) *NatsBus

+ func (c *NatsBus) Publish(msg *Message) error

+ func (c *NatsBus) QueueSubscribe(subject string, queue string, backlog int) (Subscription, error)

+ func (c *NatsBus) Request(ctx context.Context, msg *Message) (*Message, error)

+ func (c *NatsBus) Subscribe(subject string, backlog int) (Subscription, error)

+ type NatsOption = nats.Option

+ type NatsSubscription struct

+ func (s *NatsSubscription) Drain() error

+ func (s *NatsSubscription) Handle(callback SubscriptionCallback)

+ type RequestHandler struct

+ Handler func(context.Context, *T) (*Y, error)

+ PostRequest func(context.Context, *Y, *Message) error

+ PreRequest func(context.Context, *T, *Message) error

+ Request T

+ Response Y

+ func NewRequestHandler[T any, Y any](req T, resp Y, handler func(context.Context, *T) (*Y, error)) *RequestHandler[T, Y]

+ func (s *RequestHandler[T, Y]) HandleMessage(ctx context.Context, msg *Message) error

+ type Server struct

+ ContextFunc func() context.Context

+ Lattice string

+ func NewServer(bus Bus, lattice string) *Server

+ func (s *Server) Drain() error

+ func (s *Server) ErrorStream() <-chan *ServerError

+ func (s *Server) RegisterHandler(subject string, handler AnyServerHandler) error

+ type ServerError struct

+ Context context.Context

+ Err error

+ Request *Message

+ type ServerHandlerFunc func(context.Context, *Message) error

+ func (f ServerHandlerFunc) HandleMessage(ctx context.Context, msg *Message) error

+ type Subscription interface

+ Drain func() error

+ Handle func(callback SubscriptionCallback)

+ type SubscriptionCallback func(msg *Message)

v0.1.3

Nov 8, 2025

v0.1.2

Nov 8, 2025

v0.1.1

Oct 16, 2025

v0.1.0

Oct 16, 2025

Other modules containing this package

go.wasmcloud.dev/runtime-operator/v2