clnt_srv_ctx.c

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/* -*- C -*- */
/*
 * Copyright (c) 2012-2020 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.
 *
 */


#include "fop/fop.h"            /* m0_fop_alloc */
#include "rpc/rpclib.h"
#include "ut/cs_fop.h"          /* cs_ds2_req_fop_fopt */
#include "ut/cs_fop_xc.h"       /* cs_ds2_req_fop */
#include "ut/cs_service.h"      /* m0_cs_default_stypes */
#include "ut/misc.h"            /* M0_UT_PATH */
#define CLIENT_ENDPOINT_ADDR "0@lo:12345:34:*"

#define SERVER_DB_NAME        "rpc_ut_server.db"
#define SERVER_STOB_NAME      "rpc_ut_server.stob"
#define SERVER_ADDB_STOB_NAME "linuxstob:rpc_ut_server.addb_stob"
#define SERVER_LOG_NAME       "rpc_ut_server.log"
#define SERVER_ENDPOINT_ADDR  "0@lo:12345:34:1"
#define SERVER_ENDPOINT       M0_NET_XPRT_PREFIX_DEFAULT":"SERVER_ENDPOINT_ADDR

enum {
        MAX_RPCS_IN_FLIGHT = 1,
        CONNECT_TIMEOUT    = 5,
        MAX_RETRIES        = 5,
};
static struct m0_net_domain client_net_dom;

#ifndef __KERNEL__
static struct m0_rpc_client_ctx cctx = {
        .rcx_net_dom               = &client_net_dom,
        .rcx_local_addr            = CLIENT_ENDPOINT_ADDR,
        .rcx_remote_addr           = SERVER_ENDPOINT_ADDR,
        .rcx_max_rpcs_in_flight    = MAX_RPCS_IN_FLIGHT,
        .rcx_recv_queue_min_length = M0_NET_TM_RECV_QUEUE_DEF_LEN,
        .rcx_fid                   = &g_process_fid,
};

static char *server_argv[] = {
        "rpclib_ut", "-T", "AD", "-D", SERVER_DB_NAME,
        "-S", SERVER_STOB_NAME, "-A", SERVER_ADDB_STOB_NAME,
        "-w", "10", "-e", SERVER_ENDPOINT, "-H", SERVER_ENDPOINT_ADDR,
        "-f", M0_UT_CONF_PROCESS,
        "-c", M0_UT_PATH("conf.xc")
};

static struct m0_rpc_server_ctx sctx;

/* 'inline' is used, to avoid compiler warning if the function is not used
   in file that includes this file.
 */
static inline void sctx_reset(void)
{

        sctx = (struct m0_rpc_server_ctx){
                .rsx_xprts            = m0_net_all_xprt_get(),
                .rsx_xprts_nr         = m0_net_xprt_nr(),
                .rsx_argv             = server_argv,
                .rsx_argc             = ARRAY_SIZE(server_argv),
                .rsx_log_file_name    = SERVER_LOG_NAME,
        };
}

static inline void start_rpc_client_and_server(void)
{
        int rc;
        rc = m0_net_domain_init(&client_net_dom, m0_net_xprt_default_get());
        M0_ASSERT(rc == 0);
        sctx_reset();
        rc = m0_rpc_server_start(&sctx);
        M0_ASSERT(rc == 0);

        rc = m0_rpc_client_start(&cctx);
        M0_ASSERT(rc == 0);
}

/* 'inline' is used, to avoid compiler warning if the function is not used
   in file that includes this file.
 */
static inline void stop_rpc_client_and_server(void)
{
        int rc;
        rc = m0_rpc_client_stop(&cctx);
        M0_ASSERT(rc == 0);
        m0_rpc_server_stop(&sctx);
        m0_net_domain_fini(&client_net_dom);
}

/* 'inline' is used, to avoid compiler warning if the function is not used
   in file that includes this file.
 */
static inline struct m0_fop *fop_alloc(struct m0_rpc_machine *machine)
{
        struct cs_ds2_req_fop *cs_ds2_fop;
        struct m0_fop         *fop;

        M0_PRE(machine != NULL);

        fop = m0_fop_alloc(&cs_ds2_req_fop_fopt, NULL, machine);
        M0_UT_ASSERT(fop != NULL);

        cs_ds2_fop = m0_fop_data(fop);
        cs_ds2_fop->csr_value = 0xaaf5;

        return fop;
}

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