Base implementation of the RPC endpoint

cmd/server/main.go

@@ -5,12 +5,14 @@ import (
 	"log"
 	"net/http"
 
+	"forge.cadoles.com/Pyxis/orion/cmd/server/rpc"
 	"github.com/go-chi/chi"
 	"github.com/go-chi/chi/middleware"
 )
 
 var (
-	conf = newDefaultConfig()
+	conf    = newDefaultConfig()
+	jsonrpc = rpc.NewServer()
 )
 
 func main() {
@@ -26,6 +28,8 @@ func main() {
 	r.Use(middleware.RealIP)
 	r.Use(middleware.Logger)
 
+	r.Post("/rpc", handleRPC)
+
 	hostStr := fmt.Sprintf("%s:%s", conf.HTTPHost, conf.HTTPPort)
 	log.Printf("listening on http://%s", hostStr)
 
@@ -34,3 +38,7 @@ func main() {
 	}
 
 }
+
+func handleRPC(w http.ResponseWriter, r *http.Request) {
+	jsonrpc.ServeHTTP(w, r)
+}

cmd/server/rpc/server.go

@@ -0,0 +1,38 @@
+package rpc
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/gorilla/rpc"
+	"github.com/gorilla/rpc/json"
+)
+
+// OrionService is the JSON-RPC API
+type OrionService struct{}
+
+// HelloArgs is the arguments expected by the Hello method
+type HelloArgs struct {
+	Who string
+}
+
+// HelloResponse is the response returned from the Hello method
+type HelloResponse struct {
+	Message string
+}
+
+// Hello is a demo RPC method fro the OrionService
+func (o *OrionService) Hello(r *http.Request, args *HelloArgs, reply *HelloResponse) error {
+	reply.Message = fmt.Sprintf("hello %s", args.Who)
+	return nil
+}
+
+// NewServer returns a new configured JSON-RPC server
+func NewServer() *rpc.Server {
+	server := rpc.NewServer()
+	server.RegisterCodec(json.NewCodec(), "application/json")
+	if err := server.RegisterService(new(OrionService), "Orion"); err != nil {
+		panic(err)
+	}
+	return server
+}