mirror of https://gerrit.osmocom.org/libosmocore
tests/gb: Add test for GPRS NS protocol
This tests the connection establishment by directly calling gprs_ns_rcvmsg() and printing the resulting messages and the NS-VC list.
This commit is contained in:
Jacob Erlbeck
Holger Hans Peter Freyther
parent
73ae7a9ca0
commit
dcce196be9
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@ -4,7 +4,8 @@ check_PROGRAMS = timer/timer_test sms/sms_test ussd/ussd_test \
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smscb/smscb_test bits/bitrev_test a5/a5_test \
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conv/conv_test auth/milenage_test lapd/lapd_test \
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gsm0808/gsm0808_test gsm0408/gsm0408_test \
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gb/bssgp_fc_test logging/logging_test fr/fr_test \
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gb/bssgp_fc_test gb/gprs_ns_test \
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logging/logging_test fr/fr_test \
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loggingrb/loggingrb_test strrb/strrb_test \
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vty/vty_test
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@ -51,6 +52,9 @@ ussd_ussd_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gs
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gb_bssgp_fc_test_SOURCES = gb/bssgp_fc_test.c
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gb_bssgp_fc_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gb/libosmogb.la
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gb_gprs_ns_test_SOURCES = gb/gprs_ns_test.c
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gb_gprs_ns_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gb/libosmogb.la $(LIBRARY_DL)
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logging_logging_test_SOURCES = logging/logging_test.c
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logging_logging_test_LDADD = $(top_builddir)/src/libosmocore.la
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@ -92,6 +96,7 @@ EXTRA_DIST = testsuite.at $(srcdir)/package.m4 $(TESTSUITE) \
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lapd/lapd_test.ok gsm0408/gsm0408_test.ok \
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gsm0808/gsm0808_test.ok gb/bssgp_fc_tests.err \
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gb/bssgp_fc_tests.ok gb/bssgp_fc_tests.sh \
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gb/gprs_ns_test.ok \
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msgfile/msgfile_test.ok msgfile/msgconfig.cfg \
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logging/logging_test.ok logging/logging_test.err \
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fr/fr_test.ok loggingrb/logging_test.ok \
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@ -0,0 +1,247 @@
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/* test routines for NS connection handling
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* (C) 2013 by sysmocom s.f.m.c. GmbH
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* Author: Jacob Erlbeck <jerlbeck@sysmocom.de>
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*/
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#undef _GNU_SOURCE
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <getopt.h>
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#include <dlfcn.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/application.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/gprs/gprs_msgb.h>
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#include <osmocom/gprs/gprs_ns.h>
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#include <osmocom/gprs/gprs_bssgp.h>
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/* GPRS Network Service, PDU type: NS_RESET,
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* Cause: O&M intervention, NS VCI: 0x1122, NSEI 0x1122
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*/
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static const unsigned char gprs_ns_reset[12] = {
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0x02, 0x00, 0x81, 0x01, 0x01, 0x82, 0x11, 0x22,
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0x04, 0x82, 0x11, 0x22
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};
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/* GPRS Network Service, PDU type: NS_RESET,
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* Cause: O&M intervention, NS VCI: 0x3344, NSEI 0x1122
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*/
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static const unsigned char gprs_ns_reset_vci2[12] = {
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0x02, 0x00, 0x81, 0x01, 0x01, 0x82, 0x33, 0x44,
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0x04, 0x82, 0x11, 0x22
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};
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/* GPRS Network Service, PDU type: NS_RESET,
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* Cause: O&M intervention, NS VCI: 0x1122, NSEI 0x3344
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*/
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static const unsigned char gprs_ns_reset_nsei2[12] = {
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0x02, 0x00, 0x81, 0x01, 0x01, 0x82, 0x11, 0x22,
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0x04, 0x82, 0x33, 0x44
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};
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/* GPRS Network Service, PDU type: NS_ALIVE */
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static const unsigned char gprs_ns_alive[1] = {
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0x0a
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};
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/* GPRS Network Service, PDU type: NS_STATUS,
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* Cause: PDU not compatible with the protocol state
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* PDU: NS_ALIVE
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*/
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static const unsigned char gprs_ns_status_invalid_alive[7] = {
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0x08, 0x00, 0x81, 0x0a, 0x02, 0x81, 0x0a
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};
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/* GPRS Network Service, PDU type: NS_ALIVE_ACK */
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static const unsigned char gprs_ns_alive_ack[1] = {
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0x0b
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};
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/* GPRS Network Service, PDU type: NS_UNBLOCK */
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static const unsigned char gprs_ns_unblock[1] = {
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0x06
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};
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/* GPRS Network Service, PDU type: NS_STATUS,
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* Cause: PDU not compatible with the protocol state
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* PDU: NS_RESET_ACK, NS VCI: 0x1122, NSEI 0x1122
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*/
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static const unsigned char gprs_ns_status_invalid_reset_ack[15] = {
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0x08, 0x00, 0x81, 0x0a, 0x02, 0x89, 0x03, 0x01,
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0x82, 0x11, 0x22, 0x04, 0x82, 0x11, 0x22
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};
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/* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 */
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static const unsigned char gprs_bssgp_reset[22] = {
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0x00, 0x00, 0x00, 0x00, 0x22, 0x04, 0x82, 0x4a,
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0x2e, 0x07, 0x81, 0x08, 0x08, 0x88, 0x10, 0x20,
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0x30, 0x40, 0x50, 0x60, 0x10, 0x00
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};
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int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg,
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struct sockaddr_in *saddr, enum gprs_ns_ll ll);
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/* override */
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int gprs_ns_callback(enum gprs_ns_evt event, struct gprs_nsvc *nsvc,
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struct msgb *msg, uint16_t bvci)
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{
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printf("CALLBACK, event %d, msg length %d, bvci 0x%04x\n%s\n\n",
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event, msgb_bssgp_len(msg), bvci,
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osmo_hexdump(msgb_bssgph(msg), msgb_bssgp_len(msg)));
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return 0;
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}
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/* override */
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ssize_t sendto(int sockfd, const void *buf, size_t len, int flags,
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const struct sockaddr *dest_addr, socklen_t addrlen)
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{
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typedef ssize_t (*sendto_t)(int, const void *, size_t, int,
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const struct sockaddr *, socklen_t);
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static sendto_t real_sendto = NULL;
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if (!real_sendto)
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real_sendto = dlsym(RTLD_NEXT, "sendto");
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if (sockfd != 0xdead && ((struct sockaddr_in *)dest_addr)->sin_addr.s_addr != htonl(0x01020304))
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return real_sendto(sockfd, buf, len, flags, dest_addr, addrlen);
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printf("RESPONSE, msg length %d\n%s\n\n", len, osmo_hexdump(buf, len));
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return len;
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}
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static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text, struct sockaddr_in *peer, const unsigned char* data, size_t data_len)
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{
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struct msgb *msg;
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int ret;
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if (data_len > NS_ALLOC_SIZE - NS_ALLOC_HEADROOM) {
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fprintf(stderr, "message too long: %d\n", data_len);
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return -1;
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}
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msg = gprs_ns_msgb_alloc();
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memmove(msg->data, data, data_len);
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msg->l2h = msg->data;
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msgb_put(msg, data_len);
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printf("PROCESSING %s from 0x%08x:%d\n%s\n\n",
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text, ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port),
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osmo_hexdump(data, data_len));
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ret = gprs_ns_rcvmsg(nsi, msg, peer, GPRS_NS_LL_UDP);
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printf("result (%s) = %d\n\n", text, ret);
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msgb_free(msg);
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return ret;
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}
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static void gprs_dump_nsi(struct gprs_ns_inst *nsi)
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{
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struct gprs_nsvc *nsvc;
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printf("Current NS-VCIs:\n");
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llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) {
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struct sockaddr_in *peer = &(nsvc->ip.bts_addr);
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printf(" VCI 0x%04x, NSEI 0x%04x, peer 0x%08x:%d\n",
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nsvc->nsvci, nsvc->nsei,
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ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port)
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);
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}
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printf("\n");
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}
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static void test_ns()
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{
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struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL);
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struct sockaddr_in peer[4] = {{0},};
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peer[0].sin_family = AF_INET;
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peer[0].sin_port = htons(1111);
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peer[0].sin_addr.s_addr = htonl(0x01020304);
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peer[1].sin_family = AF_INET;
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peer[1].sin_port = htons(2222);
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peer[1].sin_addr.s_addr = htonl(0x01020304);
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peer[2].sin_family = AF_INET;
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peer[2].sin_port = htons(3333);
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peer[2].sin_addr.s_addr = htonl(0x01020304);
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peer[3].sin_family = AF_INET;
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peer[3].sin_port = htons(4444);
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peer[3].sin_addr.s_addr = htonl(0x01020304);
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gprs_process_message(nsi, "RESET", &peer[0],
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gprs_ns_reset, sizeof(gprs_ns_reset));
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gprs_dump_nsi(nsi);
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gprs_process_message(nsi, "ALIVE", &peer[0],
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gprs_ns_alive, sizeof(gprs_ns_alive));
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gprs_process_message(nsi, "UNBLOCK", &peer[0],
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gprs_ns_unblock, sizeof(gprs_ns_unblock));
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gprs_process_message(nsi, "BSSGP RESET", &peer[0],
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gprs_bssgp_reset, sizeof(gprs_bssgp_reset));
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printf("--- Peer port changes, RESET, message remains unchanged ---\n\n");
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gprs_process_message(nsi, "RESET", &peer[1],
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gprs_ns_reset, sizeof(gprs_ns_reset));
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gprs_dump_nsi(nsi);
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printf("--- Peer port changes, RESET, VCI changes ---\n\n");
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gprs_process_message(nsi, "RESET", &peer[2],
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gprs_ns_reset_vci2, sizeof(gprs_ns_reset_vci2));
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gprs_dump_nsi(nsi);
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printf("--- Peer port changes, RESET, NSEI changes ---\n\n");
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gprs_process_message(nsi, "RESET", &peer[3],
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gprs_ns_reset_nsei2, sizeof(gprs_ns_reset_nsei2));
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gprs_dump_nsi(nsi);
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printf("--- Peer port 3333, RESET, VCI is changed back ---\n\n");
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gprs_process_message(nsi, "RESET", &peer[2],
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gprs_ns_reset, sizeof(gprs_ns_reset));
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gprs_dump_nsi(nsi);
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printf("--- Peer port 4444, RESET, NSEI is changed back ---\n\n");
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gprs_process_message(nsi, "RESET", &peer[3],
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gprs_ns_reset, sizeof(gprs_ns_reset));
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gprs_dump_nsi(nsi);
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gprs_ns_destroy(nsi);
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nsi = NULL;
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}
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int bssgp_prim_cb(struct osmo_prim_hdr *oph, void *ctx)
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{
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return -1;
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}
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static struct log_info info = {};
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int main(int argc, char **argv)
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{
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osmo_init_logging(&info);
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log_set_use_color(osmo_stderr_target, 0);
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log_set_print_filename(osmo_stderr_target, 0);
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printf("===== NS protocol test START\n");
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test_ns();
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printf("===== NS protocol test END\n\n");
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exit(EXIT_SUCCESS);
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}
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@ -0,0 +1,124 @@
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===== NS protocol test START
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PROCESSING RESET from 0x01020304:1111
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02 00 81 01 01 82 11 22 04 82 11 22
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RESPONSE, msg length 1
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0a
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RESPONSE, msg length 9
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03 01 82 11 22 04 82 11 22
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result (RESET) = 9
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Current NS-VCIs:
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VCI 0x1122, NSEI 0x1122, peer 0x01020304:1111
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PROCESSING ALIVE from 0x01020304:1111
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0a
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RESPONSE, msg length 1
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0b
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result (ALIVE) = 1
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PROCESSING UNBLOCK from 0x01020304:1111
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06
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RESPONSE, msg length 1
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07
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result (UNBLOCK) = 1
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PROCESSING BSSGP RESET from 0x01020304:1111
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00 00 00 00 22 04 82 4a 2e 07 81 08 08 88 10 20 30 40 50 60 10 00
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CALLBACK, event 0, msg length 18, bvci 0x0000
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22 04 82 4a 2e 07 81 08 08 88 10 20 30 40 50 60 10 00
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result (BSSGP RESET) = 0
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--- Peer port changes, RESET, message remains unchanged ---
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PROCESSING RESET from 0x01020304:2222
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02 00 81 01 01 82 11 22 04 82 11 22
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RESPONSE, msg length 1
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0a
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RESPONSE, msg length 9
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03 01 82 11 22 04 82 11 22
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result (RESET) = 9
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Current NS-VCIs:
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VCI 0x1122, NSEI 0x1122, peer 0x01020304:2222
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--- Peer port changes, RESET, VCI changes ---
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PROCESSING RESET from 0x01020304:3333
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02 00 81 01 01 82 33 44 04 82 11 22
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RESPONSE, msg length 1
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0a
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RESPONSE, msg length 9
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03 01 82 33 44 04 82 11 22
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result (RESET) = 9
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Current NS-VCIs:
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VCI 0x3344, NSEI 0x1122, peer 0x01020304:3333
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--- Peer port changes, RESET, NSEI changes ---
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PROCESSING RESET from 0x01020304:4444
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02 00 81 01 01 82 11 22 04 82 33 44
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RESPONSE, msg length 1
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0a
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RESPONSE, msg length 9
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03 01 82 11 22 04 82 33 44
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result (RESET) = 9
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Current NS-VCIs:
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VCI 0x1122, NSEI 0x3344, peer 0x01020304:4444
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VCI 0x3344, NSEI 0x1122, peer 0x01020304:3333
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--- Peer port 3333, RESET, VCI is changed back ---
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PROCESSING RESET from 0x01020304:3333
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02 00 81 01 01 82 11 22 04 82 11 22
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RESPONSE, msg length 1
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0a
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RESPONSE, msg length 9
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03 01 82 11 22 04 82 11 22
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result (RESET) = 9
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Current NS-VCIs:
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VCI 0x1122, NSEI 0x3344, peer 0x01020304:4444
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VCI 0x1122, NSEI 0x1122, peer 0x01020304:3333
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--- Peer port 4444, RESET, NSEI is changed back ---
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PROCESSING RESET from 0x01020304:4444
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02 00 81 01 01 82 11 22 04 82 11 22
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RESPONSE, msg length 1
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0a
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RESPONSE, msg length 9
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03 01 82 11 22 04 82 11 22
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result (RESET) = 9
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Current NS-VCIs:
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VCI 0x1122, NSEI 0x1122, peer 0x01020304:4444
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VCI 0x1122, NSEI 0x1122, peer 0x01020304:3333
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===== NS protocol test END
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@ -106,6 +106,12 @@ cat $abs_srcdir/vty/vty_test.ok > expout
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AT_CHECK([$abs_top_builddir/tests/vty/vty_test], [0], [expout], [ignore])
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AT_CLEANUP
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AT_SETUP([gprs-ns])
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AT_KEYWORDS([gprs-ns])
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cat $abs_srcdir/gb/gprs_ns_test.ok > expout
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AT_CHECK([$abs_top_builddir/tests/gb/gprs_ns_test], [0], [expout], [ignore])
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AT_CLEANUP
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AT_SETUP([bssgp-fc])
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AT_KEYWORDS([bssgp-fc])
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cat $abs_srcdir/gb/bssgp_fc_tests.ok > expout
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