rgw: svc: introduce a service for rgw_role

Signed-off-by: Abhishek Lekshmanan <abhishek@suse.com>

src/rgw/services/svc_role.h

@@ -0,0 +1,76 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab ft=cpp
+
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2020 SUSE LLC
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation. See file COPYING.
+ *
+ */
+
+#pragma once
+
+#include "rgw/rgw_service.h"
+#include "svc_meta_be.h"
+
+class RGWRole;
+
+class RGWSI_Role: public RGWServiceInstance
+{
+ public:
+  RGWSI_Role(CephContext *cct) : RGWServiceInstance(cct) {}
+  virtual ~RGWSI_Role() {}
+
+  virtual RGWSI_MetaBackend_Handler* get_be_handler() = 0;
+
+  virtual int store_info(RGWSI_MetaBackend::Context *ctx,
+			 const RGWRole& role,
+			 RGWObjVersionTracker * const objv_tracker,
+			 real_time * const pmtime,
+			 bool exclusive,
+			 std::map<std::string, bufferlist> * pattrs,
+			 optional_yield y) = 0;
+
+  virtual int store_name(RGWSI_MetaBackend::Context *ctx,
+			 const std::string& name,
+			 RGWObjVersionTracker * const objv_tracker,
+			 real_time * const pmtime,
+			 bool exclusive,
+			 optional_yield y) = 0;
+
+  virtual int store_path(RGWSI_MetaBackend::Context *ctx,
+			 const std::string& path,
+			 RGWObjVersionTracker * const objv_tracker,
+			 real_time * const pmtime,
+			 bool exclusive,
+			 optional_yield y) = 0;
+
+  virtual int read_info(RGWSI_MetaBackend::Context *ctx,
+			RGWRole *role,
+			RGWObjVersionTracker * const objv_tracker,
+			real_time * const pmtime,
+			std::map<std::string, bufferlist> * pattrs,
+			optional_yield y) = 0;
+
+  virtual int read_name(RGWSI_MetaBackend::Context *ctx,
+			std::string& name,
+			RGWObjVersionTracker * const objv_tracker,
+			real_time * const pmtime,
+			optional_yield y) = 0;
+
+  virtual int read_path(RGWSI_MetaBackend::Context *ctx,
+			std::string& path,
+			RGWObjVersionTracker * const objv_tracker,
+			real_time * const pmtime,
+			optional_yield y) = 0;
+
+  virtual int delete_info(RGWSI_MetaBackend::Context *ctx,
+			  const std::string& name,
+			  RGWObjVersionTracker * const objv_tracker,
+			  optional_yield y) = 0;
+};