add reload for web api

api/config_reload.go

@@ -0,0 +1,56 @@
+package api
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/go-gost/x/config"
+	"github.com/go-gost/x/config/loader"
+	"github.com/go-gost/x/config/parsing/parser"
+	"github.com/go-gost/x/registry"
+)
+
+// swagger:parameters reloadConfigRequest
+type reloadConfigRequest struct{}
+
+// successful operation.
+// swagger:response reloadConfigResponse
+type reloadConfigResponse struct {
+	Data Response
+}
+
+func reloadConfig(ctx *gin.Context) {
+	// swagger:route POST /config/reload Reload reloadConfigRequest
+	//
+	// Hot reload config.
+	//
+	//     Security:
+	//       basicAuth: []
+	//
+	//     Responses:
+	//       200: reloadConfigResponse
+
+	cfg, err := parser.Parse()
+	if err != nil {
+		writeError(ctx, NewError(http.StatusBadRequest, ErrCodeInvalid, err.Error()))
+		return
+	}
+
+	config.Set(cfg)
+
+	if err := loader.Load(cfg); err != nil {
+		writeError(ctx, NewError(http.StatusBadRequest, ErrCodeInvalid, err.Error()))
+		return
+	}
+
+	for _, svc := range registry.ServiceRegistry().GetAll() {
+		svc := svc
+		go func() {
+			svc.Serve()
+		}()
+	}
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}