reqh_service_internal.h

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/* -*- C -*- */
/*
 * Copyright (c) 2017-2020 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_REQH_REQH_SERVICE_INTERNAL_H__
#define __MOTR_REQH_REQH_SERVICE_INTERNAL_H__

#include "reqh/reqh_service.h"

enum {
        M0_RSC_OFFLINE,
        M0_RSC_ONLINE,
        M0_RSC_CONNECTING,
        M0_RSC_DISCONNECTING,
        M0_RSC_CANCELLED,
};

enum {
        /* Is set after `sc_rlink` initialisation. */
        M0_RSC_RLINK_INITED,
        /*
         * Is set when m0_reqh_service_connect() is called. Remains set
         * after m0_reqh_service_disconnect().
         */
        M0_RSC_RLINK_CONNECT,
        M0_RSC_RLINK_DISCONNECT,
        /* Is set when rpc session can not be cancelled immediately. */
        M0_RSC_RLINK_CANCEL,
        /* Is set when urgent link termination requested. */
        M0_RSC_RLINK_ABORT,
};

#define CTX_STATE(ctx) (ctx)->sc_sm.sm_state

static inline void reqh_service_ctx_sm_lock(struct m0_reqh_service_ctx *ctx)
{
        m0_sm_group_lock(&ctx->sc_sm_grp);
}

static inline void reqh_service_ctx_sm_unlock(struct m0_reqh_service_ctx *ctx)
{
        m0_sm_group_unlock(&ctx->sc_sm_grp);
}

static inline bool
reqh_service_ctx_sm_is_locked(const struct m0_reqh_service_ctx *ctx)
{
        return m0_sm_group_is_locked(&ctx->sc_sm_grp);
}

static inline void
reqh_service_ctx_state_move(struct m0_reqh_service_ctx *ctx, int  state)
{
        m0_sm_state_set(&ctx->sc_sm, state);
}

static inline void
reqh_service_ctx_flag_set(struct m0_reqh_service_ctx *ctx, int  flag)
{
        ctx->sc_conn_flags |= M0_BITS(flag);
}

static inline void
reqh_service_ctx_flag_clear(struct m0_reqh_service_ctx *ctx, int  flag)
{
        ctx->sc_conn_flags &= ~M0_BITS(flag);
}

static inline bool
reqh_service_ctx_flag_is_set(const struct m0_reqh_service_ctx *ctx, int flag)
{
        return !!(ctx->sc_conn_flags & M0_BITS(flag));
}

#endif /* __MOTR_REQH_REQH_SERVICE_INTERNAL_H__ */

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