erasure encoded demo

cmd/erasure-demo/erasure.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"errors"
+	"io"
+	"os"
+	"path"
+
+	"github.com/minio-io/minio/pkgs/storage"
+	es "github.com/minio-io/minio/pkgs/storage/encodedstorage"
+)
+
+func erasureGetList(config inputConfig) (io.Reader, error) {
+	// do nothing
+	return nil, errors.New("Not Implemented")
+}
+
+func erasureGet(config inputConfig, objectPath string) (io.Reader, error) {
+	var objectStorage storage.ObjectStorage
+	rootDir := path.Join(config.rootDir, config.storageDriver)
+	objectStorage, err := es.NewStorage(rootDir, 10, 6, 1024*1024)
+	if err != nil {
+		return nil, err
+	}
+	object, err := objectStorage.Get(objectPath)
+	if err != nil {
+		return nil, err
+	}
+	return object, nil
+}
+
+func erasurePut(config inputConfig, objectPath string, reader io.Reader) error {
+	var err error
+	rootDir := path.Join(config.rootDir, config.storageDriver)
+	if err := os.MkdirAll(rootDir, 0700); err != nil {
+		return err
+	}
+	var objectStorage storage.ObjectStorage
+	if objectStorage, err = es.NewStorage(rootDir, 10, 6, 1024*1024); err != nil {
+		return err
+	}
+	if err = objectStorage.Put(objectPath, reader); err != nil {
+		return err
+	}
+	return nil
+}