diff options
Diffstat (limited to 'tests/gb')
| -rw-r--r-- | tests/gb/gprs_ns2_test.c | 164 | ||||
| -rw-r--r-- | tests/gb/gprs_ns2_test.ok | 10 |
2 files changed, 174 insertions, 0 deletions
diff --git a/tests/gb/gprs_ns2_test.c b/tests/gb/gprs_ns2_test.c new file mode 100644 index 00000000..86a01902 --- /dev/null +++ b/tests/gb/gprs_ns2_test.c @@ -0,0 +1,164 @@ +/* test routines for NS connection handling + * (C) 2020 sysmocom - s.f.m.c. GmbH + * Author: Alexander Couzens <lynxis@fe80.eu> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#undef _GNU_SOURCE +#define _GNU_SOURCE + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <stdint.h> +#include <string.h> +#include <getopt.h> +#include <dlfcn.h> +#include <sys/types.h> +#include <sys/socket.h> + +#include <osmocom/core/fsm.h> +#include <osmocom/core/msgb.h> +#include <osmocom/core/application.h> +#include <osmocom/core/utils.h> +#include <osmocom/core/logging.h> +#include <osmocom/core/socket.h> +#include <osmocom/core/talloc.h> +#include <osmocom/core/write_queue.h> +#include <osmocom/gprs/gprs_msgb.h> +#include <osmocom/gprs/gprs_ns2.h> +#include <osmocom/gprs/gprs_bssgp.h> + +#include "../../src/gb/gprs_ns2_internal.h" + +int bssgp_prim_cb(struct osmo_prim_hdr *oph, void *ctx) +{ + return -1; +} + +static struct log_info info = {}; + +static int ns_prim_cb(struct osmo_prim_hdr *oph, void *ctx) +{ + return 0; +} + +void free_bind(struct gprs_ns2_vc_bind *bind) +{ + OSMO_ASSERT(bind); + talloc_free(bind); +} + +struct gprs_ns2_vc_driver vc_driver_dummy = { + .name = "GB UDP dummy", + .free_bind = free_bind, +}; + +static int vc_sendmsg(struct gprs_ns2_vc *nsvc, struct msgb *msg) +{ + struct gprs_ns2_vc_bind *bind = nsvc->bind; + struct osmo_wqueue *queue = bind->priv; + + osmo_wqueue_enqueue(queue, msg); + return 0; +} + +static struct gprs_ns2_vc_bind *dummy_bind(struct gprs_ns2_inst *nsi, const char *name) +{ + struct gprs_ns2_vc_bind *bind = talloc_zero(nsi, struct gprs_ns2_vc_bind); + OSMO_ASSERT(bind); + + bind->name = talloc_strdup(bind, name); + bind->driver = &vc_driver_dummy; + bind->ll = GPRS_NS2_LL_UDP; + bind->transfer_capability = 42; + bind->nsi = nsi; + bind->send_vc = vc_sendmsg; + bind->priv = talloc_zero(bind, struct osmo_wqueue); + struct osmo_wqueue *queue = bind->priv; + + INIT_LLIST_HEAD(&bind->nsvc); + llist_add(&bind->list, &nsi->binding); + osmo_wqueue_init(queue, 100); + + return bind; +} + +void test_nse_transfer_cap(void *ctx) +{ + struct gprs_ns2_inst *nsi; + struct gprs_ns2_vc_bind *bind[2]; + struct gprs_ns2_nse *nse; + struct gprs_ns2_vc *nsvc[3]; + + /* create a UDP dummy bind[0] with transfer cap 42. + * create nse (nsei 1001) + * create 2x nsvc with the same bind. + * nsvc[0] or nsvc[1] is alive (or both) cap == 42 + * + * create a second bind with transfer cap == 23 + * create 3rd nsvc with bind[1] + * transfer cap should be 42 + 23 + */ + + printf("--- Testing NSE transfer cap\n"); + + printf("---- Create NSE + Binds\n"); + nsi = gprs_ns2_instantiate(ctx, ns_prim_cb, NULL); + bind[0] = dummy_bind(nsi, "transfercap1"); + bind[1] = dummy_bind(nsi, "transfercap2"); + bind[1]->transfer_capability = 23; + nse = gprs_ns2_create_nse(nsi, 1001, GPRS_NS2_LL_UDP, NS2_DIALECT_STATIC_ALIVE); + OSMO_ASSERT(nse); + + printf("---- Test with NSVC[0]\n"); + nsvc[0] = ns2_vc_alloc(bind[0], nse, false, NS2_VC_MODE_ALIVE); + OSMO_ASSERT(nsvc[0]); + OSMO_ASSERT(ns2_count_transfer_cap(nse, 0) == 0); + nsvc[0]->fi->state = 3; /* HACK: 3 = GPRS_NS2_ST_UNBLOCKED */ + ns2_nse_notify_unblocked(nsvc[0], true); + OSMO_ASSERT(ns2_count_transfer_cap(nse, 0) == 42); + + printf("---- Test with NSVC[1]\n"); + nsvc[1] = ns2_vc_alloc(bind[0], nse, false, NS2_VC_MODE_ALIVE); + OSMO_ASSERT(nsvc[1]); + OSMO_ASSERT(ns2_count_transfer_cap(nse, 0) == 42); + nsvc[1]->fi->state = 3; /* HACK: 3 = GPRS_NS2_ST_UNBLOCKED */ + ns2_nse_notify_unblocked(nsvc[1], true); + OSMO_ASSERT(ns2_count_transfer_cap(nse, 0) == 42); + + printf("---- Test with NSVC[2]\n"); + nsvc[2] = ns2_vc_alloc(bind[1], nse, false, NS2_VC_MODE_ALIVE); + OSMO_ASSERT(nsvc[2]); + OSMO_ASSERT(ns2_count_transfer_cap(nse, 0) == 42); + nsvc[2]->fi->state = 3; /* HACK: 3 = GPRS_NS2_ST_UNBLOCKED */ + ns2_nse_notify_unblocked(nsvc[2], true); + OSMO_ASSERT(ns2_count_transfer_cap(nse, 0) == 42 + 23); + + printf("---- Test with NSVC[1] removed\n"); + /* reset nsvc[1] to be unconfigured - shouldn't change anything */ + nsvc[1]->fi->state = 0; /* HACK: 0 = GPRS_NS2_ST_UNCONFIGURED */ + ns2_nse_notify_unblocked(nsvc[1], false); + OSMO_ASSERT(ns2_count_transfer_cap(nse, 0) == 42 + 23); + + printf("--- Finish NSE transfer cap\n"); + +} + +int main(int argc, char **argv) +{ + void *ctx = talloc_named_const(NULL, 0, "gprs_ns2_test"); + osmo_init_logging2(ctx, &info); + log_set_use_color(osmo_stderr_target, 0); + log_set_print_filename(osmo_stderr_target, 0); + log_set_print_filename(osmo_stderr_target, 0); + log_set_log_level(osmo_stderr_target, LOGL_INFO); + setlinebuf(stdout); + + printf("===== NS2 protocol test START\n"); + test_nse_transfer_cap(ctx); + printf("===== NS2 protocol test END\n\n"); + + exit(EXIT_SUCCESS); +} diff --git a/tests/gb/gprs_ns2_test.ok b/tests/gb/gprs_ns2_test.ok new file mode 100644 index 00000000..62bbbfe7 --- /dev/null +++ b/tests/gb/gprs_ns2_test.ok @@ -0,0 +1,10 @@ +===== NS2 protocol test START +--- Testing NSE transfer cap +---- Create NSE + Binds +---- Test with NSVC[0] +---- Test with NSVC[1] +---- Test with NSVC[2] +---- Test with NSVC[1] removed +--- Finish NSE transfer cap +===== NS2 protocol test END + |