Initial QSfera import

Server/vendor/go-micro.dev/v4/server/handler.go

@@ -0,0 +1,80 @@
+package server
+
+import "context"
+
+type HandlerOption func(*HandlerOptions)
+
+type HandlerOptions struct {
+	Metadata map[string]map[string]string
+	Internal bool
+}
+
+type SubscriberOption func(*SubscriberOptions)
+
+type SubscriberOptions struct {
+	Context context.Context
+	Queue   string
+	// AutoAck defaults to true. When a handler returns
+	// with a nil error the message is acked.
+	AutoAck  bool
+	Internal bool
+}
+
+// EndpointMetadata is a Handler option that allows metadata to be added to
+// individual endpoints.
+func EndpointMetadata(name string, md map[string]string) HandlerOption {
+	return func(o *HandlerOptions) {
+		o.Metadata[name] = md
+	}
+}
+
+// Internal Handler options specifies that a handler is not advertised
+// to the discovery system. In the future this may also limit request
+// to the internal network or authorized user.
+func InternalHandler(b bool) HandlerOption {
+	return func(o *HandlerOptions) {
+		o.Internal = b
+	}
+}
+
+// Internal Subscriber options specifies that a subscriber is not advertised
+// to the discovery system.
+func InternalSubscriber(b bool) SubscriberOption {
+	return func(o *SubscriberOptions) {
+		o.Internal = b
+	}
+}
+func NewSubscriberOptions(opts ...SubscriberOption) SubscriberOptions {
+	opt := SubscriberOptions{
+		AutoAck: true,
+		Context: context.Background(),
+	}
+
+	for _, o := range opts {
+		o(&opt)
+	}
+
+	return opt
+}
+
+// DisableAutoAck will disable auto acking of messages
+// after they have been handled.
+func DisableAutoAck() SubscriberOption {
+	return func(o *SubscriberOptions) {
+		o.AutoAck = false
+	}
+}
+
+// Shared queue name distributed messages across subscribers.
+func SubscriberQueue(n string) SubscriberOption {
+	return func(o *SubscriberOptions) {
+		o.Queue = n
+	}
+}
+
+// SubscriberContext set context options to allow broker SubscriberOption passed.
+func SubscriberContext(ctx context.Context) SubscriberOption {
+	return func(o *SubscriberOptions) {
+		o.Context = ctx
+	}
+}