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