revert some changes

server/server.go

@@ -3,7 +3,11 @@ package server
 
 import (
 	"context"
+	"os"
+	"os/signal"
+	"syscall"
 
+	"github.com/micro/go-log"
 	"github.com/pborman/uuid"
 )
 
@@ -63,7 +67,102 @@ var (
 	DefaultServer  Server = newRpcServer()
 )
 
+// DefaultOptions returns config options for the default service
+func DefaultOptions() Options {
+	return DefaultServer.Options()
+}
+
+// Init initialises the default server with options passed in
+func Init(opt ...Option) {
+	if DefaultServer == nil {
+		DefaultServer = newRpcServer(opt...)
+	}
+	DefaultServer.Init(opt...)
+}
+
 // NewServer returns a new server with options passed in
 func NewServer(opt ...Option) Server {
 	return newRpcServer(opt...)
 }
+
+// NewSubscriber creates a new subscriber interface with the given topic
+// and handler using the default server
+func NewSubscriber(topic string, h interface{}, opts ...SubscriberOption) Subscriber {
+	return DefaultServer.NewSubscriber(topic, h, opts...)
+}
+
+// NewHandler creates a new handler interface using the default server
+// Handlers are required to be a public object with public
+// methods. Call to a service method such as Foo.Bar expects
+// the type:
+//
+//	type Foo struct {}
+//	func (f *Foo) Bar(ctx, req, rsp) error {
+//		return nil
+//	}
+//
+func NewHandler(h interface{}, opts ...HandlerOption) Handler {
+	return DefaultServer.NewHandler(h, opts...)
+}
+
+// Handle registers a handler interface with the default server to
+// handle inbound requests
+func Handle(h Handler) error {
+	return DefaultServer.Handle(h)
+}
+
+// Subscribe registers a subscriber interface with the default server
+// which subscribes to specified topic with the broker
+func Subscribe(s Subscriber) error {
+	return DefaultServer.Subscribe(s)
+}
+
+// Register registers the default server with the discovery system
+func Register() error {
+	return DefaultServer.Register()
+}
+
+// Deregister deregisters the default server from the discovery system
+func Deregister() error {
+	return DefaultServer.Deregister()
+}
+
+// Run starts the default server and waits for a kill
+// signal before exiting. Also registers/deregisters the server
+func Run() error {
+	if err := Start(); err != nil {
+		return err
+	}
+
+	if err := DefaultServer.Register(); err != nil {
+		return err
+	}
+
+	ch := make(chan os.Signal, 1)
+	signal.Notify(ch, syscall.SIGTERM, syscall.SIGINT, syscall.SIGKILL)
+	log.Logf("Received signal %s", <-ch)
+
+	if err := DefaultServer.Deregister(); err != nil {
+		return err
+	}
+
+	return Stop()
+}
+
+// Start starts the default server
+func Start() error {
+	config := DefaultServer.Options()
+	log.Logf("Starting server %s id %s", config.Name, config.Id)
+	return DefaultServer.Start()
+}
+
+// Stop stops the default server
+func Stop() error {
+	log.Logf("Stopping server")
+	return DefaultServer.Stop()
+}
+
+// String returns name of Server implementation
+func String() string {
+	return DefaultServer.String()
+}