Refactor Heal RPC and add Shutdown RPC (#2488)

cmd/controller-handlers.go

@@ -0,0 +1,88 @@
+/*
+ * Minio Cloud Storage, (C) 2016 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package cmd
+
+// HealListArgs - argument for ListObjects RPC.
+type HealListArgs struct {
+	Bucket    string
+	Prefix    string
+	Marker    string
+	Delimiter string
+	MaxKeys   int
+}
+
+// HealListReply - reply by ListObjects RPC.
+type HealListReply struct {
+	IsTruncated bool
+	NextMarker  string
+	Objects     []string
+}
+
+// ListObjects - list all objects that needs healing.
+func (c *controllerAPIHandlers) ListObjectsHeal(arg *HealListArgs, reply *HealListReply) error {
+	objAPI := c.ObjectAPI
+	if objAPI == nil {
+		return errInvalidArgument
+	}
+	info, err := objAPI.ListObjectsHeal(arg.Bucket, arg.Prefix, arg.Marker, arg.Delimiter, arg.MaxKeys)
+	if err != nil {
+		return err
+	}
+	reply.IsTruncated = info.IsTruncated
+	reply.NextMarker = info.NextMarker
+	for _, obj := range info.Objects {
+		reply.Objects = append(reply.Objects, obj.Name)
+	}
+	return nil
+}
+
+// HealObjectArgs - argument for HealObject RPC.
+type HealObjectArgs struct {
+	Bucket string
+	Object string
+}
+
+// HealObjectReply - reply by HealObject RPC.
+type HealObjectReply struct{}
+
+// HealObject - heal the object.
+func (c *controllerAPIHandlers) HealObject(arg *HealObjectArgs, reply *HealObjectReply) error {
+	objAPI := c.ObjectAPI
+	if objAPI == nil {
+		return errInvalidArgument
+	}
+	return objAPI.HealObject(arg.Bucket, arg.Object)
+}
+
+// ShutdownArgs - argument for Shutdown RPC.
+type ShutdownArgs struct {
+	Reboot bool
+}
+
+// ShutdownReply - reply by Shutdown RPC.
+type ShutdownReply struct{}
+
+// Shutdown - Shutdown the server.
+
+func (c *controllerAPIHandlers) Shutdown(arg *ShutdownArgs, reply *ShutdownReply) error {
+	if arg.Reboot {
+		globalShutdownSignalCh <- shutdownRestart
+	} else {
+		globalShutdownSignalCh <- shutdownHalt
+	}
+	return nil
+}