Update options to be public. This means people can implement the interfaces and actually use the options

broker/broker.go

@@ -1,6 +1,7 @@
 package broker
 
 type Broker interface {
+	Options() Options
 	Address() string
 	Connect() error
 	Disconnect() error
@@ -28,7 +29,7 @@ type Publication interface {
 }
 
 type Subscriber interface {
-	Config() SubscribeOptions
+	Options() SubscribeOptions
 	Topic() string
 	Unsubscribe() error
 }

broker/http_broker.go

@@ -28,6 +28,7 @@ type httpBroker struct {
 	id          string
 	address     string
 	unsubscribe chan *httpSubscriber
+	opts        Options
 
 	sync.RWMutex
 	subscribers map[string][]*httpSubscriber
@@ -85,7 +86,7 @@ func (h *httpPublication) Topic() string {
 	return h.t
 }
 
-func (h *httpSubscriber) Config() SubscribeOptions {
+func (h *httpSubscriber) Options() SubscribeOptions {
 	return h.opts
 }
 
@@ -213,6 +214,10 @@ func (h *httpBroker) Init(opts ...Option) error {
 	return nil
 }
 
+func (h *httpBroker) Options() Options {
+	return h.opts
+}
+
 func (h *httpBroker) Publish(topic string, msg *Message, opts ...PublishOption) error {
 	s, err := registry.GetService("topic:" + topic)
 	if err != nil {

broker/options.go

@@ -1,6 +1,10 @@
 package broker
 
-type Options struct{}
+type Options struct {
+
+	// Other options to be used by broker implementations
+	Options map[string]string
+}
 
 type PublishOptions struct{}