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[89.27.7.11]) by smtp.gmail.com with ESMTPSA id z71sm168510lje.26.2017.10.20.03.22.40 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 20 Oct 2017 03:22:40 -0700 (PDT) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Cc: patrik.flykt@linux.intel.com, linux-wpan@vger.kernel.org Subject: [RFC 3/7] unit: Add initial test for bt_6lo Date: Fri, 20 Oct 2017 13:22:32 +0300 Message-Id: <20171020102236.17499-4-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20171020102236.17499-1-luiz.dentz@gmail.com> References: <20171020102236.17499-1-luiz.dentz@gmail.com> Sender: linux-wpan-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wpan@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Luiz Augusto von Dentz --- Makefile.am | 6 ++ unit/test-6lo.c | 271 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 277 insertions(+) create mode 100644 unit/test-6lo.c diff --git a/Makefile.am b/Makefile.am index bb5a77408..3ba1a8dab 100644 --- a/Makefile.am +++ b/Makefile.am @@ -430,6 +430,12 @@ unit_test_midi_LDADD = src/libshared-glib.la \ @GLIB_LIBS@ @ALSA_LIBS@ endif +unit_tests += unit/test-6lo + +unit_test_6lo_SOURCES = unit/test-6lo.c +unit_test_6lo_LDADD = src/libshared-glib.la \ + lib/libbluetooth-internal.la @GLIB_LIBS@ + if MAINTAINER_MODE noinst_PROGRAMS += $(unit_tests) endif diff --git a/unit/test-6lo.c b/unit/test-6lo.c new file mode 100644 index 000000000..77f24e795 --- /dev/null +++ b/unit/test-6lo.c @@ -0,0 +1,271 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2017 Intel Corporation. All rights reserved. + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 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 General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "src/shared/6lo.h" +#include "src/shared/util.h" + +#include "src/shared/tester.h" + +struct test_pdu { + bool valid; + const uint8_t *data; + size_t size; +}; + +struct test_data { + char *test_name; + struct test_pdu *pdu_list; +}; + +struct context { + struct bt_6lo *lo; + guint source; + guint process; + int fd; + unsigned int pdu_offset; + const struct test_data *data; +}; + +#define data(args...) ((const unsigned char[]) { args }) + +#define raw_pdu(args...) \ + { \ + .valid = true, \ + .data = data(args), \ + .size = sizeof(data(args)), \ + } + +#define define_test(name, function, args...) \ + do { \ + const struct test_pdu pdus[] = { \ + args, { } \ + }; \ + static struct test_data data; \ + data.test_name = g_strdup(name); \ + data.pdu_list = g_memdup(pdus, sizeof(pdus)); \ + tester_add(name, &data, NULL, function, NULL); \ + } while (0) + +static const uint8_t src[] = { 0xac, 0x9f, 0xa0, 0xf3, 0x42, 0x42 }; +static const uint8_t dst[] = { 0xac, 0x9f, 0xa0, 0xf3, 0x42, 0x43 }; + +static void test_debug(const char *str, void *user_data) +{ + const char *prefix = user_data; + + tester_debug("%s%s\n", prefix, str); +} + +static void test_free(gconstpointer user_data) +{ + const struct test_data *data = user_data; + + g_free(data->test_name); + g_free(data->pdu_list); +} + +static void destroy_context(struct context *context) +{ + if (context->source > 0) + g_source_remove(context->source); + + bt_6lo_unref(context->lo); + + test_free(context->data); + g_free(context); +} + +static gboolean context_quit(gpointer user_data) +{ + struct context *context = user_data; + + if (context == NULL) + return FALSE; + + if (context->process > 0) + g_source_remove(context->process); + + destroy_context(context); + tester_test_passed(); + + return FALSE; +} + +static gboolean send_pdu(gpointer user_data) +{ + struct context *context = user_data; + const struct test_pdu *pdu; + ssize_t len; + + pdu = &context->data->pdu_list[context->pdu_offset++]; + + len = write(context->fd, pdu->data, pdu->size); + + util_hexdump('<', pdu->data, len, test_debug, "6lo: "); + + g_assert_cmpint(len, ==, pdu->size); + + context->process = 0; + return FALSE; +} + +static void context_process(struct context *context) +{ + if (!context->data->pdu_list[context->pdu_offset].valid) { + context_quit(context); + return; + } + + context->process = g_idle_add(send_pdu, context); +} + +static gboolean test_handler(GIOChannel *channel, GIOCondition cond, + gpointer user_data) +{ + struct context *context = user_data; + const struct test_pdu *pdu; + unsigned char buf[1280]; + ssize_t len; + int fd; + + pdu = &context->data->pdu_list[context->pdu_offset++]; + + if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) { + context->source = 0; + g_print("%s: cond %x\n", __func__, cond); + return FALSE; + } + + fd = g_io_channel_unix_get_fd(channel); + + len = read(fd, buf, sizeof(buf)); + + g_assert(len > 0); + + util_hexdump('>', buf, len, test_debug, "6lo: "); + + g_assert_cmpint(len, ==, pdu->size); + + g_assert(memcmp(buf, pdu->data, pdu->size) == 0); + + context_process(context); + + return TRUE; +} + +static struct context *create_context(gconstpointer data) +{ + struct bt_6lo *lo; + struct context *context; + int err = 0; + + lo = bt_6lo_new_default(); + if (!lo) { + err = -ENOTSUP; + goto fail; + } + + err = bt_6lo_add(lo, "bt0", src); + if (err < 0) { + bt_6lo_unref(lo); + goto fail; + } + + context = g_new0(struct context, 1); + context->lo = lo; + + context->data = data; + + return context; + +fail: + tester_warn("Failed to setup bt_6lo: %s", strerror(-err)); + return NULL; +} + +static void attach_client(struct context *context) +{ + GIOChannel *channel; + int err, sv[2]; + + err = socketpair(AF_UNIX, SOCK_SEQPACKET | SOCK_CLOEXEC, 0, sv); + g_assert(err == 0); + + err = bt_6lo_attach(context->lo, src, sv[0], dst); + g_assert(err == 0); + + channel = g_io_channel_unix_new(sv[1]); + + g_io_channel_set_close_on_unref(channel, TRUE); + g_io_channel_set_encoding(channel, NULL, NULL); + g_io_channel_set_buffered(channel, FALSE); + + context->source = g_io_add_watch(channel, + G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL, + test_handler, context); + g_assert(context->source > 0); + + g_io_channel_unref(channel); + + context->fd = sv[1]; +} + +static void test_run(gconstpointer data) +{ + struct context *context = create_context(data); + + if (!context) { + tester_test_abort(); + return; + } + + if (!g_str_equal(context->data->test_name, "/6lo/init")) + attach_client(context); + + context_quit(context); +} + +int main(int argc, char *argv[]) +{ + tester_init(&argc, &argv); + + define_test("/6lo/init", test_run, raw_pdu()); + define_test("/6lo/attach", test_run, raw_pdu()); + + return tester_run(); +}