help function for create instance from config bytes

functions.go

@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"v2ray.com/core/common"
+	"v2ray.com/core/common/buf"
 )
 
 // CreateObject creates a new object based on the given V2Ray instance and config. The V2Ray instance may be nil.
@@ -15,6 +16,24 @@ func CreateObject(v *Instance, config interface{}) (interface{}, error) {
 	return common.CreateObject(ctx, config)
 }
 
+// StartInstance starts a new V2Ray instance with given serialized config, and return a handle for shutting down the instance.
+func StartInstance(configFormat string, configBytes []byte) (common.Closable, error) {
+	var mb buf.MultiBuffer
+	common.Must2(mb.Write(configBytes))
+	config, err := LoadConfig(configFormat, "", &mb)
+	if err != nil {
+		return nil, err
+	}
+	instance, err := New(config)
+	if err != nil {
+		return nil, err
+	}
+	if err := instance.Start(); err != nil {
+		return nil, err
+	}
+	return instance, nil
+}
+
 func PrintDeprecatedFeatureWarning(feature string) {
 	newError("You are using a deprecated feature: " + feature + ". Please update your config file with latest configuration format, or update your client software.").WriteToLog()
 }