Implement basic JsonRPC Handler

pkg/server/api.go

@@ -1,7 +1,22 @@
 package server
 
-import "net/http"
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"runtime/debug"
+
+	"golang.org/x/exp/slog"
+)
 
 func HandleAPI(w http.ResponseWriter, r *http.Request) {
-
+	defer func() {
+		if r := recover(); r != nil {
+			slog.Error("Recovered Panic Handling HTTP API Request", fmt.Errorf("%v", r), "stack", debug.Stack())
+		}
+	}()
+	err := apiHandler.HandleRequest(context.TODO(), r.Body, w)
+	if err != nil {
+		slog.Error("Handling HTTP API Request", err)
+	}
 }

pkg/server/jsonrpc.go

@@ -0,0 +1,35 @@
+package server
+
+import (
+	"context"
+	"fmt"
+
+	"nfsense.net/nfsense/pkg/jsonrpc"
+)
+
+var apiHandler jsonrpc.Handler
+
+func init() {
+	apiHandler = jsonrpc.NewHandler(100 << 20)
+	apiHandler.Register("test", Ping{})
+}
+
+type Ping struct {
+}
+
+type PingRequest struct {
+	Msg string `json:"msg"`
+}
+
+type PingResponse struct {
+	Msg string `json:"msg"`
+}
+
+func (p Ping) Ping(ctx context.Context, req PingRequest) (*PingResponse, error) {
+	if req.Msg == "" {
+		return nil, fmt.Errorf("Message is empty")
+	}
+	return &PingResponse{
+		Msg: req.Msg,
+	}, nil
+}