nats

type Conn interface {
	Init(...Option) error
	Options() Options
	Address() string
	Connect() error
	Disconnect() error
	Publish(topic string, m []byte, opts ...PublishOption) error
	Subscribe(topic string, h Handler, opts ...SubscribeOption) (Subscriber, error)
	Request(topic string, data []byte, timeout time.Duration) (*Message, error)
	RequestWithContext(ctx context.Context, topic string, data []byte) (*Message, error)
	String() string
	GetConn() *nats.Conn
}

type Event interface {
	Topic() string
	Message() *Message
	Reply() string
	Ack() error
	Error() error
}

type EventCallback func(context.Context, Event) error

type Handler func(Event) error

type Message struct {
	Header map[string]string
	Body   []byte
}

type Option func(*Options)

type Options struct {
	Addrs  []string
	Secure bool
	Codec  codec.Marshaler

	// Handler executed when error happens in broker mesage
	// processing
	ErrorHandler Handler

	TLSConfig *tls.Config
	// Registry used for clustering
	// Other options for implementations of the interface
	// can be stored in a context
	Context context.Context
	Trace   bool
}

type Publication struct {
	// contains filtered or unexported fields
}

type PublishOption func(*PublishOptions)

type PublishOptions struct {
	// Other options for implementations of the interface
	// can be stored in a context
	Context context.Context
}

type SubscribeOption func(*SubscribeOptions)

type SubscribeOptions struct {
	// AutoAck defaults to true. When a handler returns
	// with a nil error the message is acked.
	AutoAck bool
	// Subscribers with the same queue name
	// will create a shared subscription where each
	// receives a subset of messages.
	Queue string

	// Other options for implementations of the interface
	// can be stored in a context
	Context context.Context
}

type Subscriber interface {
	Options() SubscribeOptions
	Topic() string
	Unsubscribe() error
	SetPendingLimits(msgLimit, bytesLimit int) error
}