broker

type Broker interface {
	Options() Options
	Address() string
	Connect() error
	Disconnect() error
	Init(...Option) error
	Publish(string, *Message, ...PublishOption) error
	Subscribe(string, Handler, ...SubscribeOption) (Subscriber, error)
	String() string
}

type Handler func(Publication) error

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

type Option func(*Options)

type Options struct {
	Addrs     []string
	Secure    bool
	TLSConfig *tls.Config

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

type Publication interface {
	Topic() string
	Message() *Message
	Ack() error
}

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
}