stats_fops.c

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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.
 *
 */


#define M0_TRACE_SUBSYSTEM M0_TRACE_SUBSYS_STATS
#include "lib/trace.h"
#include "lib/assert.h"
#include "lib/memory.h"
#include "rpc/item.h"
#include "fop/fop_item_type.h"
#include "rpc/rpc_opcodes.h"
#include "fop/fop.h"
#include "stats/stats_srv.h"
#include "stats/stats_fops_xc.h"

extern struct m0_sm_state_descr stats_update_phases[];
extern const struct m0_sm_conf stats_update_fom_sm_conf;
extern struct m0_sm_state_descr stats_query_phases[];
extern const struct m0_sm_conf stats_query_fom_sm_conf;
extern const struct m0_fom_type_ops stats_update_fom_type_ops;
extern const struct m0_fom_type_ops stats_query_fom_type_ops;

struct m0_fop_type m0_fop_stats_update_fopt;
struct m0_fop_type m0_fop_stats_query_fopt;
struct m0_fop_type m0_fop_stats_query_rep_fopt;

static const struct m0_rpc_item_type_ops stats_update_item_type_ops = {
        M0_FOP_DEFAULT_ITEM_TYPE_OPS,
};

static const struct m0_rpc_item_type_ops stats_query_item_type_ops = {
        M0_FOP_DEFAULT_ITEM_TYPE_OPS,
};

const struct m0_fop_type_ops stats_update_fop_ops;
const struct m0_fop_type_ops stats_query_fop_ops;

M0_INTERNAL int m0_stats_fops_init(void)
{
#ifndef __KERNEL__
        m0_sm_conf_extend(m0_generic_conf.scf_state, stats_query_phases,
                          m0_generic_conf.scf_nr_states);
#endif
        M0_FOP_TYPE_INIT(&m0_fop_stats_update_fopt,
                         .name      = "Stats update fop",
                         .opcode    = M0_STATS_UPDATE_FOP_OPCODE,
                         .xt        = m0_stats_update_fop_xc,
                         .rpc_flags = M0_RPC_ITEM_TYPE_ONEWAY,
                         .fop_ops   = &stats_update_fop_ops,
#ifndef __KERNEL__
                         .fom_ops   = &stats_update_fom_type_ops,
                         .sm        = &stats_update_fom_sm_conf,
                         .svc_type  = &m0_stats_svc_type,
#endif
                         .rpc_ops   = &stats_update_item_type_ops);
        M0_FOP_TYPE_INIT(&m0_fop_stats_query_fopt,
                         .name      = "Stats query fop",
                         .opcode    = M0_STATS_QUERY_FOP_OPCODE,
                         .xt        = m0_stats_query_fop_xc,
                         .rpc_flags = M0_RPC_ITEM_TYPE_REQUEST,
                         .fop_ops   = &stats_query_fop_ops,
#ifndef __KERNEL__
                         .fom_ops   = &stats_query_fom_type_ops,
                         .sm        = &stats_query_fom_sm_conf,
                         .svc_type  = &m0_stats_svc_type,
#endif
                         .rpc_ops   = &stats_query_item_type_ops);
        M0_FOP_TYPE_INIT(&m0_fop_stats_query_rep_fopt,
                         .name      = "Stats query rep fop",
                         .opcode    = M0_STATS_QUERY_REP_FOP_OPCODE,
                         .xt        = m0_stats_query_rep_fop_xc,
                         .rpc_flags = M0_RPC_ITEM_TYPE_REPLY);
        return 0;
}

M0_INTERNAL void m0_stats_fops_fini(void)
{
        m0_fop_type_fini(&m0_fop_stats_update_fopt);
        m0_fop_type_fini(&m0_fop_stats_query_fopt);
        m0_fop_type_fini(&m0_fop_stats_query_rep_fopt);
}

M0_INTERNAL struct m0_stats_update_fop *
m0_stats_update_fop_get(struct m0_fop *fop)
{
        return (struct m0_stats_update_fop *)m0_fop_data(fop);
}

M0_INTERNAL struct m0_stats_query_fop *
m0_stats_query_fop_get(struct m0_fop *fop)
{
        return (struct m0_stats_query_fop *)m0_fop_data(fop);
}

M0_INTERNAL struct m0_stats_query_rep_fop *
m0_stats_query_rep_fop_get(struct m0_fop *fop)
{
        return (struct m0_stats_query_rep_fop *)m0_fop_data(fop);
}

M0_INTERNAL void m0_stats_query_fop_release(struct m0_ref *ref)
{
        struct m0_fop *fop = container_of(ref, struct m0_fop, f_ref);

        M0_PRE(fop != NULL);
        m0_fop_fini(fop);
        m0_free(fop);
}

#undef M0_TRACE_SUBSYSTEM
/*
 *  Local variables:
 *  c-indentation-style: "K&R"
 *  c-basic-offset: 8
 *  tab-width: 8
 *  fill-column: 80
 *  scroll-step: 1
 *  End:
 */