ios_buffer_pool.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 "ioservice/io_service.c"
#include "ut/misc.h"              /* M0_UT_PATH */
#include "ut/ut.h"

#define TRANSPORTNAME   M0_NET_XPRT_PREFIX_DEFAULT":"

extern const struct m0_tl_descr bufferpools_tl;

/* Motr setup arguments. */
static char *ios_ut_bp_singledom_cmd[] = {
        "m0d", "-T", "AD",
        "-D", "cs_sdb", "-S", "cs_stob",
        "-A", "linuxstob:cs_addb_stob",
        "-e", M0_NET_XPRT_PREFIX_DEFAULT":0@lo:12345:34:1",
        "-H", "0@lo:12345:34:1",
        "-w", "10",
        "-f", M0_UT_CONF_PROCESS,
        "-c", M0_UT_PATH("conf.xc")
};

static char *ios_ut_bp_multidom_cmd[] = {
        "m0d", "-T", "AD",
        "-D", "cs_sdb", "-S", "cs_stob",
        "-A", "linuxstob:cs_addb_stob",
        "-w", "10",
        "-e", M0_NET_XPRT_PREFIX_DEFAULT":0@lo:12345:34:1",
        "-e", "bulk-mem:127.0.0.1:35678",
        "-H", "0@lo:12345:34:1",
        "-f", M0_UT_CONF_PROCESS,
        "-c", M0_UT_PATH("conf.xc")
};

static char *ios_ut_bp_repeatdom_cmd[] = {
        "m0d", "-T", "AD",
        "-D", "cs_sdb", "-S", "cs_stob",
        "-A", "linuxstob:cs_addb_stob",
        "-w", "10",
        "-e", M0_NET_XPRT_PREFIX_DEFAULT":0@lo:12345:34:1",
        "-e", "bulk-mem:127.0.0.1:35678",
        "-e", "bulk-mem:127.0.0.1:35679",
        "-H", "0@lo:12345:34:1",
        "-f", M0_UT_CONF_PROCESS,
        "-c", M0_UT_PATH("conf.xc")
};

static char *ios_ut_bp_onerepeatdom_cmd[] = {
        "m0d", "-T", "AD",
        "-D", "cs_sdb", "-S", "cs_stob",
        "-A", "linuxstob:cs_addb_stob",
        "-w", "10",
        "-e", M0_NET_XPRT_PREFIX_DEFAULT":0@lo:12345:34:1",
        "-e", "bulk-mem:127.0.0.1:35678",
        "-e", "bulk-mem:127.0.0.1:35679",
        "-H", "0@lo:12345:34:1",
        "-f", M0_UT_CONF_PROCESS,
        "-c", M0_UT_PATH("conf.xc")
};

#define SERVER_LOG_FILE_NAME "cs_ut.errlog"

static int get_ioservice_buffer_pool_count(struct m0_rpc_server_ctx *sctx)
{
        struct m0_reqh_io_service *serv_obj;
        struct m0_reqh_service    *reqh_ios;
        struct m0_reqh            *reqh;

        reqh     = m0_cs_reqh_get(&sctx->rsx_motr_ctx);
        reqh_ios = m0_reqh_service_find(&m0_ios_type, reqh);
        serv_obj = container_of(reqh_ios, struct m0_reqh_io_service, rios_gen);
        M0_UT_ASSERT(serv_obj != NULL);

        return bufferpools_tlist_length(&serv_obj->rios_buffer_pools);
}

static int check_buffer_pool_per_domain(char *cs_argv[], int cs_argc, int nbp)
{
        int rc;
        int bp_count;
        struct m0_rpc_server_ctx sctx = {
                .rsx_argv             = cs_argv,
                .rsx_argc             = cs_argc,
                .rsx_log_file_name    = SERVER_LOG_FILE_NAME
        };

        sctx.rsx_xprts = m0_net_all_xprt_get();
        sctx.rsx_xprts_nr = m0_net_xprt_nr();
        rc = m0_rpc_server_start(&sctx);
        M0_UT_ASSERT(rc == 0);

        bp_count = get_ioservice_buffer_pool_count(&sctx);
        M0_UT_ASSERT(bp_count == nbp);

        m0_rpc_server_stop(&sctx);
        return rc;
}

void test_ios_bp_single_dom()
{
        /* It will create single buffer pool (per domain)*/
        check_buffer_pool_per_domain(ios_ut_bp_singledom_cmd,
                                     ARRAY_SIZE(ios_ut_bp_singledom_cmd), 1);
}

void test_ios_bp_multi_dom()
{
        /* It will create two buffer pool (per domain) */
        check_buffer_pool_per_domain(ios_ut_bp_multidom_cmd,
                                     ARRAY_SIZE(ios_ut_bp_multidom_cmd), 2);
}

void test_ios_bp_repeat_dom()
{
        /* It will create single buffer pool (per domain) */
        check_buffer_pool_per_domain(ios_ut_bp_repeatdom_cmd,
                                     ARRAY_SIZE(ios_ut_bp_repeatdom_cmd), 2);
}
void test_ios_bp_onerepeat_dom()
{
        /* It will create two buffer pool (per domain) */
        check_buffer_pool_per_domain(ios_ut_bp_onerepeatdom_cmd,
                                     ARRAY_SIZE(ios_ut_bp_onerepeatdom_cmd), 2);
}

struct m0_ut_suite ios_bufferpool_ut = {
        .ts_name = "ios-bufferpool-ut",
        .ts_init = NULL,
        .ts_fini = NULL,
        .ts_tests = {
                { "ios-bufferpool-single-domain", test_ios_bp_single_dom},
                { "ios-bufferpool-multiple-domains", test_ios_bp_multi_dom},
                { "ios-bufferpool-repeat-domains", test_ios_bp_repeat_dom},
                { "ios-bufferpool-onerepeat-domain", test_ios_bp_onerepeat_dom},
                { NULL, NULL }
        }
};

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