From 7ced8f71cd61115b593b78cb779553f1c7df3071 Mon Sep 17 00:00:00 2001 From: Jacob Erlbeck Date: Tue, 14 Oct 2014 14:49:37 +0200 Subject: gprs/test: Add BSSGP tests This patch adds a test suite for the BSSGP protocol. The first (and only) test checks the handling of BSSGP SUSPEND/RESUME. Sponsored-by: On-Waves ehf --- tests/Makefile.am | 8 ++- tests/gb/gprs_bssgp_test.c | 151 ++++++++++++++++++++++++++++++++++++++++++++ tests/gb/gprs_bssgp_test.ok | 5 ++ tests/testsuite.at | 6 ++ 4 files changed, 168 insertions(+), 2 deletions(-) create mode 100644 tests/gb/gprs_bssgp_test.c create mode 100644 tests/gb/gprs_bssgp_test.ok diff --git a/tests/Makefile.am b/tests/Makefile.am index ea4bf9ca..12ddded8 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -4,8 +4,8 @@ check_PROGRAMS = timer/timer_test sms/sms_test ussd/ussd_test \ smscb/smscb_test bits/bitrev_test a5/a5_test \ conv/conv_test auth/milenage_test lapd/lapd_test \ gsm0808/gsm0808_test gsm0408/gsm0408_test \ - gb/bssgp_fc_test gb/gprs_ns_test kasumi/kasumi_test \ - logging/logging_test fr/fr_test \ + gb/bssgp_fc_test gb/gprs_bssgp_test gb/gprs_ns_test \ + kasumi/kasumi_test logging/logging_test fr/fr_test \ loggingrb/loggingrb_test strrb/strrb_test \ vty/vty_test comp128/comp128_test utils/utils_test @@ -62,6 +62,9 @@ ussd_ussd_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gs gb_bssgp_fc_test_SOURCES = gb/bssgp_fc_test.c gb_bssgp_fc_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gb/libosmogb.la +gb_gprs_bssgp_test_SOURCES = gb/gprs_bssgp_test.c +gb_gprs_bssgp_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gb/libosmogb.la $(LIBRARY_DL) + gb_gprs_ns_test_SOURCES = gb/gprs_ns_test.c gb_gprs_ns_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gb/libosmogb.la $(LIBRARY_DL) @@ -106,6 +109,7 @@ EXTRA_DIST = testsuite.at $(srcdir)/package.m4 $(TESTSUITE) \ lapd/lapd_test.ok gsm0408/gsm0408_test.ok \ gsm0808/gsm0808_test.ok gb/bssgp_fc_tests.err \ gb/bssgp_fc_tests.ok gb/bssgp_fc_tests.sh \ + gb/gprs_bssgp_test.ok \ gb/gprs_ns_test.ok kasumi/kasumi_test.ok \ msgfile/msgfile_test.ok msgfile/msgconfig.cfg \ logging/logging_test.ok logging/logging_test.err \ diff --git a/tests/gb/gprs_bssgp_test.c b/tests/gb/gprs_bssgp_test.c new file mode 100644 index 00000000..a2a40680 --- /dev/null +++ b/tests/gb/gprs_bssgp_test.c @@ -0,0 +1,151 @@ +/* Test routines for the BSSGP implementation in libosmogb + * + * (C) 2014 by sysmocom s.f.m.c. GmbH + * Author: Jacob Erlbeck + * + * Skeleton based on bssgp_fc_test.c + * (C) 2012 by Harald Welte + */ + +#undef _GNU_SOURCE +#define _GNU_SOURCE + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#define BSS_NSEI 0x0b55 + +static struct osmo_prim_hdr last_oph = {0}; + +/* override */ +ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, + const struct sockaddr *dest_addr, socklen_t addrlen) +{ + typedef ssize_t (*sendto_t)(int, const void *, size_t, int, + const struct sockaddr *, socklen_t); + static sendto_t real_sendto = NULL; + uint32_t dest_host = htonl(((struct sockaddr_in *)dest_addr)->sin_addr.s_addr); + + if (!real_sendto) + real_sendto = dlsym(RTLD_NEXT, "sendto"); + + fprintf(stderr, "MESSAGE to 0x%08x, msg length %d\n%s\n", + dest_host, len, osmo_hexdump(buf, len)); + + return len; +} + +/* override */ +int gprs_ns_callback(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, + struct msgb *msg, uint16_t bvci) +{ + fprintf(stderr, "CALLBACK, event %d, msg length %d, bvci 0x%04x\n%s\n\n", + event, msgb_bssgp_len(msg), bvci, + osmo_hexdump(msgb_bssgph(msg), msgb_bssgp_len(msg))); + return 0; +} + +int bssgp_prim_cb(struct osmo_prim_hdr *oph, void *ctx) +{ + printf("BSSGP primitive, SAP %d, prim = %d, op = %d, msg = %s\n", + oph->sap, oph->primitive, oph->operation, msgb_hexdump(oph->msg)); + + last_oph.sap = oph->sap; + last_oph.primitive = oph->primitive; + last_oph.operation = oph->operation; + last_oph.msg = NULL; + return -1; +} + +static void msgb_bssgp_send_and_free(struct msgb *msg) +{ + msgb_nsei(msg) = BSS_NSEI; + + bssgp_rcvmsg(msg); + + msgb_free(msg); +} + +static void send_bssgp_supend(enum bssgp_pdu_type pdu_type, uint32_t tlli) +{ + struct msgb *msg = bssgp_msgb_alloc(); + uint32_t tlli_be = htonl(tlli); + uint8_t rai[] = {0x0f, 0xf1, 0x80, 0x20, 0x37, 0x00}; + + msgb_v_put(msg, pdu_type); + msgb_tvlv_put(msg, BSSGP_IE_TLLI, sizeof(tlli_be), (uint8_t *)&tlli_be); + msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, sizeof(rai), &rai[0]); + + msgb_bssgp_send_and_free(msg); +} + +static void send_bssgp_resume(enum bssgp_pdu_type pdu_type, uint32_t tlli) +{ + struct msgb *msg = bssgp_msgb_alloc(); + uint32_t tlli_be = htonl(tlli); + uint8_t rai[] = {0x0f, 0xf1, 0x80, 0x20, 0x37, 0x00}; + uint8_t suspend_ref = 1; + + msgb_v_put(msg, pdu_type); + msgb_tvlv_put(msg, BSSGP_IE_TLLI, sizeof(tlli_be), (uint8_t *)&tlli_be); + msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, sizeof(rai), &rai[0]); + msgb_tvlv_put(msg, BSSGP_IE_SUSPEND_REF_NR, 1, &suspend_ref); + + msgb_bssgp_send_and_free(msg); +} + +static void test_bssgp_suspend_resume(void) +{ + const uint32_t tlli = 0xf0123456; + + printf("----- %s START\n", __func__); + memset(&last_oph, 0, sizeof(last_oph)); + + send_bssgp_supend(BSSGP_PDUT_SUSPEND, tlli); + /* OSMO_ASSERT(last_oph.primitive == PRIM_BSSGP_GMM_SUSPEND); */ + + send_bssgp_resume(BSSGP_PDUT_RESUME, tlli); + /* OSMO_ASSERT(last_oph.primitive == PRIM_BSSGP_GMM_RESUME); */ + + printf("----- %s END\n", __func__); +} + +static struct log_info info = {}; + +int main(int argc, char **argv) +{ + struct sockaddr_in bss_peer= {0}; + + osmo_init_logging(&info); + log_set_use_color(osmo_stderr_target, 0); + log_set_print_filename(osmo_stderr_target, 0); + + bssgp_nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); + + bss_peer.sin_family = AF_INET; + bss_peer.sin_port = htons(32000); + bss_peer.sin_addr.s_addr = htonl(0x7f0000ff); + + gprs_ns_nsip_connect(bssgp_nsi, &bss_peer, BSS_NSEI, BSS_NSEI+1); + + + printf("===== BSSGP test START\n"); + test_bssgp_suspend_resume(); + printf("===== BSSGP test END\n\n"); + + exit(EXIT_SUCCESS); +} diff --git a/tests/gb/gprs_bssgp_test.ok b/tests/gb/gprs_bssgp_test.ok new file mode 100644 index 00000000..9c7b4c07 --- /dev/null +++ b/tests/gb/gprs_bssgp_test.ok @@ -0,0 +1,5 @@ +===== BSSGP test START +----- test_bssgp_suspend_resume START +----- test_bssgp_suspend_resume END +===== BSSGP test END + diff --git a/tests/testsuite.at b/tests/testsuite.at index 7ce2ee80..fe30363c 100644 --- a/tests/testsuite.at +++ b/tests/testsuite.at @@ -118,6 +118,12 @@ cat $abs_srcdir/vty/vty_test.ok > expout AT_CHECK([$abs_top_builddir/tests/vty/vty_test], [0], [expout], [ignore]) AT_CLEANUP +AT_SETUP([gprs-bssgp]) +AT_KEYWORDS([gprs-bssgp]) +cat $abs_srcdir/gb/gprs_bssgp_test.ok > expout +AT_CHECK([$abs_top_builddir/tests/gb/gprs_bssgp_test], [0], [expout], [ignore]) +AT_CLEANUP + AT_SETUP([gprs-ns]) AT_KEYWORDS([gprs-ns]) cat $abs_srcdir/gb/gprs_ns_test.ok > expout -- cgit v1.2.3