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/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
* All Rights Reserved
*
* Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <osmocom/core/utils.h>
#include <osmocom/hlr/gsup_server.h>
#define comment_start() printf("\n===== %s\n", __func__)
#define comment_end() printf("===== %s: SUCCESS\n\n", __func__)
#define btw(fmt, args...) printf("\n" fmt "\n", ## args)
#define VERBOSE_ASSERT(val, expect_op, fmt) \
do { \
printf(#val " == " fmt "\n", (val)); \
OSMO_ASSERT((val) expect_op); \
} while (0)
void osmo_gsup_server_add_conn(struct llist_head *clients,
struct osmo_gsup_conn *conn);
static void test_add_conn(void)
{
struct llist_head _list;
struct llist_head *clients = &_list;
struct osmo_gsup_conn conn_inst[23] = {};
struct osmo_gsup_conn *conn;
unsigned int i;
comment_start();
INIT_LLIST_HEAD(clients);
btw("Add 10 items");
for (i = 0; i < 10; i++) {
osmo_gsup_server_add_conn(clients, &conn_inst[i]);
printf("conn_inst[%u].auc_3g_ind == %u\n", i, conn_inst[i].auc_3g_ind);
OSMO_ASSERT(clients->next == &conn_inst[0].list);
}
btw("Expecting a list of 0..9");
i = 0;
llist_for_each_entry(conn, clients, list) {
printf("conn[%u].auc_3g_ind == %u\n", i, conn->auc_3g_ind);
OSMO_ASSERT(conn->auc_3g_ind == i);
OSMO_ASSERT(conn == &conn_inst[i]);
i++;
}
btw("Punch two holes in the sequence in arbitrary order,"
" a larger one from 2..4 and a single one at 7.");
llist_del(&conn_inst[4].list);
llist_del(&conn_inst[2].list);
llist_del(&conn_inst[3].list);
llist_del(&conn_inst[7].list);
btw("Expecting a list of 0,1, 5,6, 8,9");
i = 0;
llist_for_each_entry(conn, clients, list) {
printf("conn[%u].auc_3g_ind == %u\n", i, conn->auc_3g_ind);
i++;
}
btw("Add conns, expecting them to take the open slots");
osmo_gsup_server_add_conn(clients, &conn_inst[12]);
VERBOSE_ASSERT(conn_inst[12].auc_3g_ind, == 2, "%u");
osmo_gsup_server_add_conn(clients, &conn_inst[13]);
VERBOSE_ASSERT(conn_inst[13].auc_3g_ind, == 3, "%u");
osmo_gsup_server_add_conn(clients, &conn_inst[14]);
VERBOSE_ASSERT(conn_inst[14].auc_3g_ind, == 4, "%u");
osmo_gsup_server_add_conn(clients, &conn_inst[17]);
VERBOSE_ASSERT(conn_inst[17].auc_3g_ind, == 7, "%u");
osmo_gsup_server_add_conn(clients, &conn_inst[18]);
VERBOSE_ASSERT(conn_inst[18].auc_3g_ind, == 10, "%u");
btw("Expecting a list of 0..10");
i = 0;
llist_for_each_entry(conn, clients, list) {
printf("conn[%u].auc_3g_ind == %u\n", i, conn->auc_3g_ind);
OSMO_ASSERT(conn->auc_3g_ind == i);
i++;
}
btw("Does it also work for the first item?");
llist_del(&conn_inst[0].list);
btw("Expecting a list of 1..10");
i = 0;
llist_for_each_entry(conn, clients, list) {
printf("conn[%u].auc_3g_ind == %u\n", i, conn->auc_3g_ind);
OSMO_ASSERT(conn->auc_3g_ind == i + 1);
i++;
}
btw("Add another conn, should take auc_3g_ind == 0");
osmo_gsup_server_add_conn(clients, &conn_inst[20]);
VERBOSE_ASSERT(conn_inst[20].auc_3g_ind, == 0, "%u");
btw("Expecting a list of 0..10");
i = 0;
llist_for_each_entry(conn, clients, list) {
printf("conn[%u].auc_3g_ind == %u\n", i, conn->auc_3g_ind);
OSMO_ASSERT(conn->auc_3g_ind == i);
i++;
}
btw("If a client reconnects, it will (likely) get the same auc_3g_ind");
VERBOSE_ASSERT(conn_inst[5].auc_3g_ind, == 5, "%u");
llist_del(&conn_inst[5].list);
conn_inst[5].auc_3g_ind = 423;
osmo_gsup_server_add_conn(clients, &conn_inst[5]);
VERBOSE_ASSERT(conn_inst[5].auc_3g_ind, == 5, "%u");
comment_end();
}
int main(int argc, char **argv)
{
printf("test_gsup_server.c\n");
test_add_conn();
printf("Done\n");
return 0;
}
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