svc_internal.h

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/* -*- C -*- */
/*
 * Copyright (c) 2021 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_DTM0_SVC_INTERNAL_H__
#define __MOTR_DTM0_SVC_INTERNAL_H__

/* import */
#include "fop/fom_long_lock.h"       /* m0_long_lock */
#include "rpc/link.h"                /* m0_rpc_link */
struct m0_dtm0_service;

/* export */
struct dtm0_process;


/* Settings for RPC connections with DTM0 services. */
enum {
        DTM0_MAX_RPCS_IN_FLIGHT = 10,
        DTM0_DISCONNECT_TIMEOUT_SECS = 1,
};


struct dtm0_process {
        struct m0_tlink         dop_link;
        uint64_t                dop_magic;

        struct m0_clink         dop_ha_link;
        struct m0_rpc_link      dop_rlink;
        struct m0_fid           dop_rproc_fid;
        struct m0_fid           dop_rserv_fid;
        char                   *dop_rep;
        struct m0_long_lock     dop_llock;
};

M0_INTERNAL int dtm0_process_init(struct dtm0_process    *proc,
                                  struct m0_dtm0_service *dtms,
                                  const struct m0_fid    *rem_svc_fid);

M0_INTERNAL void dtm0_process_fini(struct dtm0_process *proc);

M0_INTERNAL void dtm0_service_conns_term(struct m0_dtm0_service *service);
M0_INTERNAL struct dtm0_process *
dtm0_service_process__lookup(struct m0_reqh_service *reqh_dtm0_svc,
                             const struct m0_fid    *remote_dtm0);

#endif /* __MOTR_DTM0_SVC_INTERNAL_H__ */

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/*
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