chore: import upstream snapshot with attribution

server/rpc_helper.go

@@ -0,0 +1,85 @@
+package server
+
+import (
+	"fmt"
+	"sync"
+
+	"go-micro.dev/v6/codec"
+	"go-micro.dev/v6/registry"
+)
+
+// isRegistered will check if the service has already been registered.
+func (s *rpcServer) isRegistered() bool {
+	s.RLock()
+	defer s.RUnlock()
+
+	return s.registered
+}
+
+// setStarted will set started state safely.
+func (s *rpcServer) setStarted(b bool) {
+	s.Lock()
+	defer s.Unlock()
+
+	s.started = b
+}
+
+// isStarted will check if the service has already been started.
+func (s *rpcServer) isStarted() bool {
+	s.RLock()
+	defer s.RUnlock()
+
+	return s.started
+}
+
+// getWaitgroup returns the global waitgroup safely.
+func (s *rpcServer) getWg() *sync.WaitGroup {
+	s.RLock()
+	defer s.RUnlock()
+
+	return s.wg
+}
+
+// setOptsAddr will set the address in the service options safely.
+func (s *rpcServer) setOptsAddr(addr string) {
+	s.Lock()
+	defer s.Unlock()
+
+	s.opts.Address = addr
+}
+
+func (s *rpcServer) getCachedService() *registry.Service {
+	s.RLock()
+	defer s.RUnlock()
+
+	return s.rsvc
+}
+
+func (s *rpcServer) Options() Options {
+	s.RLock()
+	defer s.RUnlock()
+
+	return s.opts
+}
+
+// swapAddr swaps the address found in the config and the transport address.
+func (s *rpcServer) swapAddr(config Options, addr string) string {
+	s.Lock()
+	defer s.Unlock()
+
+	a := config.Address
+	s.opts.Address = addr
+	return a
+}
+
+func (s *rpcServer) newCodec(contentType string) (codec.NewCodec, error) {
+	if cf, ok := s.opts.Codecs[contentType]; ok {
+		return cf, nil
+	}
+
+	if cf, ok := DefaultCodecs[contentType]; ok {
+		return cf, nil
+	}
+
+	return nil, fmt.Errorf("unsupported Content-Type: %s", contentType)
+}