base grpc support

server/grpc_server.go

@@ -0,0 +1,55 @@
+package server
+
+import (
+	"net"
+	"strings"
+
+	"google.golang.org/grpc"
+
+	. "github.com/tendermint/go-common"
+	"github.com/tendermint/tmsp/types"
+)
+
+// var maxNumberConnections = 2
+
+type GRPCServer struct {
+	QuitService
+
+	proto    string
+	addr     string
+	listener net.Listener
+
+	app types.TMSPApplicationServer
+}
+
+func NewGRPCServer(protoAddr string, app types.TMSPApplicationServer) (Service, error) {
+	parts := strings.SplitN(protoAddr, "://", 2)
+	proto, addr := parts[0], parts[1]
+	s := &GRPCServer{
+		proto:    proto,
+		addr:     addr,
+		listener: nil,
+		app:      app,
+	}
+	s.QuitService = *NewQuitService(nil, "TMSPServer", s)
+	_, err := s.Start() // Just start it
+	return s, err
+}
+
+func (s *GRPCServer) OnStart() error {
+	s.QuitService.OnStart()
+	ln, err := net.Listen(s.proto, s.addr)
+	if err != nil {
+		return err
+	}
+	s.listener = ln
+	grpcServer := grpc.NewServer()
+	types.RegisterTMSPApplicationServer(grpcServer, s.app)
+	go grpcServer.Serve(ln)
+	return nil
+}
+
+func (s *GRPCServer) OnStop() {
+	s.QuitService.OnStop()
+	s.listener.Close()
+}

server/server.go

@@ -25,7 +25,7 @@ type Server struct {
 	app    types.Application
 }
 
-func NewServer(protoAddr string, app types.Application) (*Server, error) {
+func NewServer(protoAddr string, app types.Application) (Service, error) {
 	parts := strings.SplitN(protoAddr, "://", 2)
 	proto, addr := parts[0], parts[1]
 	s := &Server{