osmo-pcu/tests/emu/pcu_emu.cpp

162 lines
4.0 KiB
C++

/* Code for a software PCU to test a SGSN.. */
/* (C) 2013 by Holger Hans Peter Freyther
*
* All Rights Reserved
*
* 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/>.
*
*/
extern "C" {
#include <osmocom/core/talloc.h>
#include <pcu_vty.h>
}
#include "gprs_tests.h"
#include <gprs_bssgp_pcu.h>
#include <gprs_rlcmac.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
static int current_test;
/* Extern data to please the underlying code */
void *tall_pcu_ctx;
struct gprs_rlcmac_bts *gprs_rlcmac_bts;
int16_t spoof_mnc = 0, spoof_mcc = 0;
extern void test_replay_gprs_attach(struct gprs_bssgp_pcu *pcu);
extern void test_replay_gprs_data(struct gprs_bssgp_pcu *, struct msgb *, struct tlv_parsed *);
extern void test_pdp_activation_start(struct gprs_bssgp_pcu *pcu);
extern void test_pdp_activation_data(struct gprs_bssgp_pcu *, struct msgb *, struct tlv_parsed*);
struct gprs_test all_tests[] = {
gprs_test("gprs_attach_with_tmsi",
"A simple test that verifies that N(U) is "
"increasing across various messages. This makes "
"sure that no new LLE/LLME is created on the fly.",
test_replay_gprs_attach,
test_replay_gprs_data),
gprs_test("gprs_full_attach_pdp_activation",
"A simple test to do a GPRS attach and open a PDP "
"context. Then goes to sleep and waits for you to ping "
"the connection and hopefully re-produce a crash.",
test_pdp_activation_start,
test_pdp_activation_data),
};
struct gprs_rlcmac_bts *create_bts()
{
struct gprs_rlcmac_bts *bts;
bts = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_bts);
if (!bts)
return NULL;
bts->fc_interval = 100;
bts->initial_cs_dl = bts->initial_cs_ul = 1;
bts->cs1 = 1;
bts->t3142 = 20;
bts->t3169 = 5;
bts->t3191 = 5;
bts->t3193_msec = 100;
bts->t3195 = 5;
bts->n3101 = 10;
bts->n3103 = 4;
bts->n3105 = 8;
bts->alpha = 0; /* a = 0.0 */
if (!bts->alloc_algorithm)
bts->alloc_algorithm = alloc_algorithm_b;
return bts;
}
static void bvci_unblocked(struct gprs_bssgp_pcu *pcu)
{
printf("BVCI unblocked. We can begin with test cases.\n");
all_tests[current_test].start(pcu);
}
static void bssgp_data(struct gprs_bssgp_pcu *pcu, struct msgb *msg, struct tlv_parsed *tp)
{
all_tests[current_test].data(pcu, msg, tp);
}
void create_and_connect_bssgp(struct gprs_rlcmac_bts *bts,
uint32_t sgsn_ip, uint16_t sgsn_port)
{
struct gprs_bssgp_pcu *pcu;
pcu = gprs_bssgp_create_and_connect(bts, 0, sgsn_ip, sgsn_port,
20, 20, 20, 0x901, 0x99, 1, 0, 0);
pcu->on_unblock_ack = bvci_unblocked;
pcu->on_dl_unit_data = bssgp_data;
}
int main(int argc, char **argv)
{
struct gprs_rlcmac_bts *bts;
tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile Emu-PCU context");
if (!tall_pcu_ctx)
abort();
msgb_set_talloc_ctx(tall_pcu_ctx);
osmo_init_logging(&gprs_log_info);
vty_init(&pcu_vty_info);
pcu_vty_init(&gprs_log_info);
gprs_rlcmac_bts = create_bts();
if (!gprs_rlcmac_bts)
abort();
create_and_connect_bssgp(gprs_rlcmac_bts, INADDR_LOOPBACK, 23000);
for (;;)
osmo_select_main(0);
return EXIT_SUCCESS;
}
/*
* Test handling..
*/
void gprs_test_success(struct gprs_bssgp_pcu *pcu)
{
current_test += 1;
if (current_test >= ARRAY_SIZE(all_tests)) {
printf("All tests executed.\n");
exit(EXIT_SUCCESS);
}
all_tests[current_test].start(pcu);
}
/*
* stubs that should not be reached
*/
extern "C" {
void l1if_pdch_req() { abort(); }
void l1if_connect_pdch() { abort(); }
void l1if_close_pdch() { abort(); }
void l1if_open_pdch() { abort(); }
}