stats_srv.h

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/* -*- C -*- */
/*
 * Copyright (c) 2013-2020 Seagate Technology LLC and/or its Affiliates
 *
 * 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.
 *
 * For any questions about this software or licensing,
 * please email opensource@seagate.com or cortx-questions@seagate.com.
 *
 */


#pragma once

#ifndef __MOTR_STATS_STATS_SVC_H__
#define __MOTR_STATS_STATS_SVC_H__
#ifndef __KERNEL__

#include "stats/stats_fops.h"
#include "reqh/reqh.h"
#include "reqh/reqh_service.h"
#include "fop/fom_generic.h"

extern struct m0_reqh_service_type m0_stats_svc_type;

struct m0_stats {
        uint64_t            s_magic;
        struct m0_tlink     s_linkage;
        struct m0_stats_sum s_sum;
};

struct stats_svc {
        uint64_t               ss_magic;
        struct m0_tl           ss_stats;
        struct m0_reqh_service ss_reqhs;
};

struct stats_update_fom {
        uint64_t      suf_magic;
        struct m0_fom suf_fom;
};

enum stats_update_fom_phases {
        STATS_UPDATE_FOM_INIT = M0_FOPH_INIT,
        STATS_UPDATE_FOM_FINISH = M0_FOPH_FINISH,
        STATS_UPDATE_FOM_UPDATE_OBJECT = M0_FOPH_NR + 1,
};

/*
 * Stats query fom.
 */
struct stats_query_fom {
        uint64_t      sqf_magic;
        struct m0_fom sqf_fom;
};

enum stats_query_fom_phases {
        STATS_QUERY_FOM_READ_OBJECT = M0_FOPH_NR + 1,
};

M0_INTERNAL int m0_stats_svc_init(void);

M0_INTERNAL void m0_stats_svc_fini(void);

M0_INTERNAL struct m0_stats *
m0_stats_get(struct m0_tl *stats_list, uint64_t id);

#define STATS_SVC_ALLOC_PTR(ptr) M0_ALLOC_PTR(ptr)

#endif /* __KERNEL__ */
#endif /* __MOTR_STATS_STATS_SVC_H_ */
/*
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 *  c-indentation-style: "K&R"
 *  c-basic-offset: 8
 *  tab-width: 8
 *  fill-column: 80
 *  scroll-step: 1
 *  End:
 */