remove transport draft, add grpc web and gateway support

service/register.go

@@ -0,0 +1,86 @@
+package service
+
+import (
+	"net"
+	"strings"
+	"time"
+
+	"go.linka.cloud/grpc/registry"
+	"go.linka.cloud/grpc/utils/addr"
+	"go.linka.cloud/grpc/utils/backoff"
+	net2 "go.linka.cloud/grpc/utils/net"
+)
+
+func (s *service) register() error {
+	const (
+		defaultRegisterInterval = time.Second * 30
+		defaultRegisterTTL      = time.Second * 90
+	)
+	regFunc := func(service *registry.Service) error {
+		var regErr error
+
+		for i := 0; i < 3; i++ {
+			// set the ttl
+			rOpts := []registry.RegisterOption{registry.RegisterTTL(defaultRegisterTTL)}
+			// attempt to register
+			if err := s.opts.Registry().Register(service, rOpts...); err != nil {
+				// set the error
+				regErr = err
+				// backoff then retry
+				time.Sleep(backoff.Do(i + 1))
+				continue
+			}
+			// success so nil error
+			regErr = nil
+			break
+		}
+
+		return regErr
+	}
+
+	var err error
+	var advt, host, port string
+
+	// // check the advertise address first
+	// // if it exists then use it, otherwise
+	// // use the address
+	// if len(config.Advertise) > 0 {
+	//	advt = config.Advertise
+	// } else {
+	advt = s.opts.address
+	// }
+
+	if cnt := strings.Count(advt, ":"); cnt >= 1 {
+		// ipv6 address in format [host]:port or ipv4 host:port
+		host, port, err = net.SplitHostPort(advt)
+		if err != nil {
+			return err
+		}
+	} else {
+		host = s.opts.address
+	}
+
+	addr, err := addr.Extract(host)
+	if err != nil {
+		return err
+	}
+
+	// register service
+	node := &registry.Node{
+		Id:      s.opts.name + "-" + s.id,
+		Address: net2.HostPort(addr, port),
+	}
+
+	s.regSvc = &registry.Service{
+		Name:    s.opts.name,
+		Version: s.opts.version,
+		Nodes:   []*registry.Node{node},
+	}
+
+	// register the service
+	if err := regFunc(s.regSvc); err != nil {
+		return err
+	}
+
+	return nil
+}