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[23.128.96.18]) by mx.google.com with ESMTP id i3si6524371ejj.583.2021.02.05.21.55.30; Fri, 05 Feb 2021 21:55:54 -0800 (PST) Received-SPF: pass (google.com: domain of linux-bluetooth-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-bluetooth-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-bluetooth-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229564AbhBFFvS (ORCPT + 99 others); Sat, 6 Feb 2021 00:51:18 -0500 Received: from mga01.intel.com ([192.55.52.88]:48292 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229565AbhBFFvR (ORCPT ); Sat, 6 Feb 2021 00:51:17 -0500 IronPort-SDR: LEeho/rarq9D91qyuZLRFt/6NcxrDd7JDD7Ln9uFdN2UFgBW9lyTZuwbrgi9JwK2hca2dH+Q0y /BnoFXJZ8/Ig== X-IronPort-AV: E=McAfee;i="6000,8403,9886"; a="200540947" X-IronPort-AV: E=Sophos;i="5.81,157,1610438400"; d="scan'208";a="200540947" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Feb 2021 21:50:34 -0800 IronPort-SDR: Zg7mXB0u7T9/UlCQKGODs9bKHvLgnjuO1Ym0MDdEQGybHZ7/iobWorMCbvAjRlZNgY0X7heOgd a50vNxh7R/Ww== X-IronPort-AV: E=Sophos;i="5.81,157,1610438400"; d="scan'208";a="397733225" Received: from yxiong5-mobl2.amr.corp.intel.com (HELO istotlan-desk.intel.com) ([10.212.99.79]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Feb 2021 21:50:34 -0800 From: Inga Stotland To: linux-bluetooth@vger.kernel.org Cc: brian.gix@intel.com, luiz.dentz@gmail.com Subject: [PATCH BlueZ v3 2/3] mesh: Add unit test IO Date: Fri, 5 Feb 2021 21:50:22 -0800 Message-Id: <20210206055023.401381-3-inga.stotland@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210206055023.401381-1-inga.stotland@intel.com> References: <20210206055023.401381-1-inga.stotland@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Brian Gix This adds a new type of mesh IO that is used for non-interactive testing. The new io option can be specified on command line as: --io unit: When the bluetooth-meshd daemon starts with the "unit" IO type, the daemon opens a socket (fd to open is provided after "unit:" in ). The communication with the daemon is done either through the loop-back using mesh DBus-based APIs or the specified named socket. --- Makefile.mesh | 2 + mesh/main.c | 41 +++- mesh/mesh-io-unit.c | 533 ++++++++++++++++++++++++++++++++++++++++++++ mesh/mesh-io-unit.h | 11 + mesh/mesh-io.c | 9 +- mesh/mesh-io.h | 3 +- 6 files changed, 582 insertions(+), 17 deletions(-) create mode 100644 mesh/mesh-io-unit.c create mode 100644 mesh/mesh-io-unit.h diff --git a/Makefile.mesh b/Makefile.mesh index 228dd1b5f..73eaded4a 100644 --- a/Makefile.mesh +++ b/Makefile.mesh @@ -17,6 +17,8 @@ mesh_sources = mesh/mesh.h mesh/mesh.c \ mesh/error.h mesh/mesh-io-api.h \ mesh/mesh-io-generic.h \ mesh/mesh-io-generic.c \ + mesh/mesh-io-unit.h \ + mesh/mesh-io-unit.c \ mesh/net.h mesh/net.c \ mesh/crypto.h mesh/crypto.c \ mesh/friend.h mesh/friend.c \ diff --git a/mesh/main.c b/mesh/main.c index 4356e3f65..1b466598b 100644 --- a/mesh/main.c +++ b/mesh/main.c @@ -61,7 +61,7 @@ static void usage(void) "\t--help Show %s information\n", __func__); fprintf(stderr, "io:\n" - "\t([hci] | generic[:[hci]])\n" + "\t([hci] | generic[:[hci]] | unit:)\n" "\t\tUse generic HCI io on interface hci, or the first\n" "\t\tavailable one\n"); } @@ -77,6 +77,7 @@ static void mesh_ready_callback(void *user_data, bool success) { struct l_dbus *dbus = user_data; + l_info("mesh_ready_callback"); if (!success) { l_error("Failed to start mesh"); l_main_quit(); @@ -92,10 +93,8 @@ static void mesh_ready_callback(void *user_data, bool success) static void request_name_callback(struct l_dbus *dbus, bool success, bool queued, void *user_data) { - l_info("Request name %s", - success ? "success": "failed"); - - if (!success) { + if (!success && io_type != MESH_IO_TYPE_UNIT_TEST) { + l_info("Request name failed"); l_main_quit(); return; } @@ -159,6 +158,21 @@ static bool parse_io(const char *optarg, enum mesh_io_type *type, void **opts) return true; return false; + + } else if (strstr(optarg, "unit") == optarg) { + char *test_path; + + *type = MESH_IO_TYPE_UNIT_TEST; + + optarg += strlen("unit"); + if (*optarg != ':') + return false; + + optarg++; + test_path = strdup(optarg); + + *opts = test_path; + return true; } return false; @@ -187,11 +201,19 @@ int main(int argc, char *argv[]) for (;;) { int opt; - opt = getopt_long(argc, argv, "i:s:c:ndbh", main_options, NULL); + opt = getopt_long(argc, argv, "u:i:s:c:ndbh", main_options, + NULL); if (opt < 0) break; switch (opt) { + case 'u': + if (sscanf(optarg, "%d", &hci_index) == 1 || + sscanf(optarg, "%d", &hci_index) == 1) + io = l_strdup_printf("unit:%d", hci_index); + else + io = l_strdup(optarg); + break; case 'i': if (sscanf(optarg, "hci%d", &hci_index) == 1 || sscanf(optarg, "%d", &hci_index) == 1) @@ -261,11 +283,8 @@ int main(int argc, char *argv[]) status = l_main_run_with_signal(signal_handler, NULL); done: - if (io) - l_free(io); - - if (io_opts) - l_free(io_opts); + l_free(io); + l_free(io_opts); mesh_cleanup(); l_dbus_destroy(dbus); diff --git a/mesh/mesh-io-unit.c b/mesh/mesh-io-unit.c new file mode 100644 index 000000000..c5aae6741 --- /dev/null +++ b/mesh/mesh-io-unit.c @@ -0,0 +1,533 @@ +// SPDX-License-Identifier: LGPL-2.1-or-later +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2021 Intel Corporation. All rights reserved. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "mesh/mesh-defs.h" +#include "mesh/dbus.h" +#include "mesh/mesh-io.h" +#include "mesh/mesh-io-api.h" +#include "mesh/mesh-io-generic.h" + +struct mesh_io_private { + struct l_io *sio; + void *user_data; + char *unique_name; + mesh_io_ready_func_t ready_callback; + struct l_timeout *tx_timeout; + struct l_queue *rx_regs; + struct l_queue *tx_pkts; + struct sockaddr_un addr; + int fd; + uint16_t interval; +}; + +struct pvt_rx_reg { + mesh_io_recv_func_t cb; + void *user_data; + uint8_t len; + uint8_t filter[0]; +}; + +struct process_data { + struct mesh_io_private *pvt; + const uint8_t *data; + uint8_t len; + struct mesh_io_recv_info info; +}; + +struct tx_pkt { + struct mesh_io_send_info info; + bool delete; + uint8_t len; + uint8_t pkt[30]; +}; + +struct tx_pattern { + const uint8_t *data; + uint8_t len; +}; + +static uint32_t get_instant(void) +{ + struct timeval tm; + uint32_t instant; + + gettimeofday(&tm, NULL); + instant = tm.tv_sec * 1000; + instant += tm.tv_usec / 1000; + + return instant; +} + +static uint32_t instant_remaining_ms(uint32_t instant) +{ + instant -= get_instant(); + return instant; +} + +static void process_rx_callbacks(void *v_reg, void *v_rx) +{ + struct pvt_rx_reg *rx_reg = v_reg; + struct process_data *rx = v_rx; + + if (!memcmp(rx->data, rx_reg->filter, rx_reg->len)) + rx_reg->cb(rx_reg->user_data, &rx->info, rx->data, rx->len); +} + +static void process_rx(struct mesh_io_private *pvt, int8_t rssi, + uint32_t instant, const uint8_t *addr, + const uint8_t *data, uint8_t len) +{ + struct process_data rx = { + .pvt = pvt, + .data = data, + .len = len, + .info.instant = instant, + .info.addr = addr, + .info.chan = 7, + .info.rssi = rssi, + }; + + l_queue_foreach(pvt->rx_regs, process_rx_callbacks, &rx); +} + +static bool incoming(struct l_io *sio, void *user_data) +{ + struct mesh_io_private *pvt = user_data; + uint32_t instant; + uint8_t buf[31]; + size_t size; + + instant = get_instant(); + + size = recv(pvt->fd, buf, sizeof(buf), MSG_DONTWAIT); + + if (size > 9 && buf[0]) { + process_rx(pvt, -20, instant, NULL, buf + 1, (uint8_t)size); + } else if (size == 1 && !buf[0] && pvt->unique_name) { + + /* Return DBUS unique name */ + size = strlen(pvt->unique_name); + + if (size > sizeof(buf) - 2) + return true; + + buf[0] = 0; + memcpy(buf + 1, pvt->unique_name, size + 1); + send(pvt->fd, buf, size + 2, MSG_DONTWAIT); + } + + return true; +} + +static bool find_by_ad_type(const void *a, const void *b) +{ + const struct tx_pkt *tx = a; + uint8_t ad_type = L_PTR_TO_UINT(b); + + return !ad_type || ad_type == tx->pkt[0]; +} + +static bool find_by_pattern(const void *a, const void *b) +{ + const struct tx_pkt *tx = a; + const struct tx_pattern *pattern = b; + + if (tx->len < pattern->len) + return false; + + return (!memcmp(tx->pkt, pattern->data, pattern->len)); +} + +static void free_socket(struct mesh_io_private *pvt) +{ + l_io_destroy(pvt->sio); + close(pvt->fd); + unlink(pvt->addr.sun_path); +} + +static void hello_callback(struct l_dbus_message *msg, void *user_data) +{ + struct mesh_io_private *pvt = user_data; + + pvt->unique_name = l_strdup(l_dbus_message_get_destination(msg)); + l_debug("User-Daemon unique name: %s", pvt->unique_name); +} + +static void get_name(struct l_timeout *timeout, void *user_data) +{ + struct mesh_io_private *pvt = user_data; + struct l_dbus *dbus = dbus_get_bus(); + struct l_dbus_message *msg; + + l_timeout_remove(timeout); + if (!dbus) { + l_timeout_create_ms(20, get_name, pvt, NULL); + return; + } + + /* Retrieve unique name */ + msg = l_dbus_message_new_method_call(dbus, "org.freedesktop.DBus", + "/org/freedesktop/DBus", + "org.freedesktop.DBus", + "GetId"); + + l_dbus_message_set_arguments(msg, ""); + + l_dbus_send_with_reply(dbus, msg, hello_callback, pvt, NULL); +} + +static void unit_up(void *user_data) +{ + struct mesh_io_private *pvt = user_data; + + l_debug("Started io-unit"); + + if (pvt->ready_callback) + pvt->ready_callback(pvt->user_data, true); + + l_timeout_create_ms(1, get_name, pvt, NULL); +} + +static bool unit_init(struct mesh_io *io, void *opt, + mesh_io_ready_func_t cb, void *user_data) +{ + struct mesh_io_private *pvt; + char *sk_path; + size_t size; + + l_debug("Starting Unit test IO"); + if (!io || io->pvt) + return false; + + sk_path = (char *) opt; + + pvt = l_new(struct mesh_io_private, 1); + + pvt->addr.sun_family = AF_LOCAL; + snprintf(pvt->addr.sun_path, sizeof(pvt->addr.sun_path), "%s", + sk_path); + + pvt->fd = socket(PF_LOCAL, SOCK_DGRAM | SOCK_CLOEXEC, 0); + if (pvt->fd < 0) + goto fail; + + unlink(pvt->addr.sun_path); + size = offsetof(struct sockaddr_un, sun_path) + + strlen(pvt->addr.sun_path); + + if (bind(pvt->fd, (struct sockaddr *) &pvt->addr, size) < 0) + goto fail; + + /* Setup socket handlers */ + pvt->sio = l_io_new(pvt->fd); + if (!l_io_set_read_handler(pvt->sio, incoming, pvt, NULL)) + goto fail; + + pvt->rx_regs = l_queue_new(); + pvt->tx_pkts = l_queue_new(); + + pvt->ready_callback = cb; + pvt->user_data = user_data; + + io->pvt = pvt; + + l_idle_oneshot(unit_up, pvt, NULL); + + return true; + +fail: + l_error("Failed to bind Unit Test socket"); + free_socket(pvt); + l_free(pvt); + + return false; +} + +static bool unit_destroy(struct mesh_io *io) +{ + struct mesh_io_private *pvt = io->pvt; + + if (!pvt) + return true; + + l_free(pvt->unique_name); + l_timeout_remove(pvt->tx_timeout); + l_queue_destroy(pvt->rx_regs, l_free); + l_queue_destroy(pvt->tx_pkts, l_free); + + free_socket(pvt); + + l_free(pvt); + io->pvt = NULL; + + return true; +} + +static bool unit_caps(struct mesh_io *io, struct mesh_io_caps *caps) +{ + struct mesh_io_private *pvt = io->pvt; + + if (!pvt || !caps) + return false; + + caps->max_num_filters = 255; + caps->window_accuracy = 50; + + return true; +} + +static bool simple_match(const void *a, const void *b) +{ + return a == b; +} + +static void send_pkt(struct mesh_io_private *pvt, struct tx_pkt *tx, + uint16_t interval) +{ + send(pvt->fd, tx->pkt, tx->len, MSG_DONTWAIT); + + if (tx->delete) { + l_queue_remove_if(pvt->tx_pkts, simple_match, tx); + l_free(tx); + } +} + +static void tx_to(struct l_timeout *timeout, void *user_data) +{ + struct mesh_io_private *pvt = user_data; + struct tx_pkt *tx; + uint16_t ms; + uint8_t count; + + if (!pvt) + return; + + tx = l_queue_pop_head(pvt->tx_pkts); + if (!tx) { + l_timeout_remove(timeout); + pvt->tx_timeout = NULL; + return; + } + + if (tx->info.type == MESH_IO_TIMING_TYPE_GENERAL) { + ms = tx->info.u.gen.interval; + count = tx->info.u.gen.cnt; + if (count != MESH_IO_TX_COUNT_UNLIMITED) + tx->info.u.gen.cnt--; + } else { + ms = 25; + count = 1; + } + + tx->delete = !!(count == 1); + + send_pkt(pvt, tx, ms); + + if (count == 1) { + /* Recalculate wakeup if we are responding to POLL */ + tx = l_queue_peek_head(pvt->tx_pkts); + + if (tx && tx->info.type == MESH_IO_TIMING_TYPE_POLL_RSP) { + ms = instant_remaining_ms(tx->info.u.poll_rsp.instant + + tx->info.u.poll_rsp.delay); + } + } else + l_queue_push_tail(pvt->tx_pkts, tx); + + if (timeout) { + pvt->tx_timeout = timeout; + l_timeout_modify_ms(timeout, ms); + } else + pvt->tx_timeout = l_timeout_create_ms(ms, tx_to, pvt, NULL); +} + +static void tx_worker(void *user_data) +{ + struct mesh_io_private *pvt = user_data; + struct tx_pkt *tx; + uint32_t delay; + + tx = l_queue_peek_head(pvt->tx_pkts); + if (!tx) + return; + + switch (tx->info.type) { + case MESH_IO_TIMING_TYPE_GENERAL: + if (tx->info.u.gen.min_delay == tx->info.u.gen.max_delay) + delay = tx->info.u.gen.min_delay; + else { + l_getrandom(&delay, sizeof(delay)); + delay %= tx->info.u.gen.max_delay - + tx->info.u.gen.min_delay; + delay += tx->info.u.gen.min_delay; + } + break; + + case MESH_IO_TIMING_TYPE_POLL: + if (tx->info.u.poll.min_delay == tx->info.u.poll.max_delay) + delay = tx->info.u.poll.min_delay; + else { + l_getrandom(&delay, sizeof(delay)); + delay %= tx->info.u.poll.max_delay - + tx->info.u.poll.min_delay; + delay += tx->info.u.poll.min_delay; + } + break; + + case MESH_IO_TIMING_TYPE_POLL_RSP: + /* Delay until Instant + Delay */ + delay = instant_remaining_ms(tx->info.u.poll_rsp.instant + + tx->info.u.poll_rsp.delay); + if (delay > 255) + delay = 0; + break; + + default: + return; + } + + if (!delay) + tx_to(pvt->tx_timeout, pvt); + else if (pvt->tx_timeout) + l_timeout_modify_ms(pvt->tx_timeout, delay); + else + pvt->tx_timeout = l_timeout_create_ms(delay, tx_to, pvt, NULL); +} + +static bool send_tx(struct mesh_io *io, struct mesh_io_send_info *info, + const uint8_t *data, uint16_t len) +{ + struct mesh_io_private *pvt = io->pvt; + struct tx_pkt *tx; + bool sending = false; + + if (!info || !data || !len || len > sizeof(tx->pkt)) + return false; + + tx = l_new(struct tx_pkt, 1); + + memcpy(&tx->info, info, sizeof(tx->info)); + memcpy(&tx->pkt, data, len); + tx->len = len; + + if (info->type == MESH_IO_TIMING_TYPE_POLL_RSP) + l_queue_push_head(pvt->tx_pkts, tx); + else { + sending = !l_queue_isempty(pvt->tx_pkts); + + l_queue_push_tail(pvt->tx_pkts, tx); + } + + if (!sending) { + l_timeout_remove(pvt->tx_timeout); + pvt->tx_timeout = NULL; + l_idle_oneshot(tx_worker, pvt, NULL); + } + + return true; +} + +static bool tx_cancel(struct mesh_io *io, const uint8_t *data, uint8_t len) +{ + struct mesh_io_private *pvt = io->pvt; + struct tx_pkt *tx; + + if (!data) + return false; + + if (len == 1) { + do { + tx = l_queue_remove_if(pvt->tx_pkts, find_by_ad_type, + L_UINT_TO_PTR(data[0])); + l_free(tx); + + } while (tx); + } else { + struct tx_pattern pattern = { + .data = data, + .len = len + }; + + do { + tx = l_queue_remove_if(pvt->tx_pkts, find_by_pattern, + &pattern); + l_free(tx); + + } while (tx); + } + + if (l_queue_isempty(pvt->tx_pkts)) { + l_timeout_remove(pvt->tx_timeout); + pvt->tx_timeout = NULL; + } + + return true; +} + +static bool find_by_filter(const void *a, const void *b) +{ + const struct pvt_rx_reg *rx_reg = a; + const uint8_t *filter = b; + + return !memcmp(rx_reg->filter, filter, rx_reg->len); +} + +static bool recv_register(struct mesh_io *io, const uint8_t *filter, + uint8_t len, mesh_io_recv_func_t cb, void *user_data) +{ + struct mesh_io_private *pvt = io->pvt; + struct pvt_rx_reg *rx_reg; + + if (!cb || !filter || !len) + return false; + + rx_reg = l_queue_remove_if(pvt->rx_regs, find_by_filter, filter); + + l_free(rx_reg); + rx_reg = l_malloc(sizeof(*rx_reg) + len); + + memcpy(rx_reg->filter, filter, len); + rx_reg->len = len; + rx_reg->cb = cb; + rx_reg->user_data = user_data; + + l_queue_push_head(pvt->rx_regs, rx_reg); + + return true; +} + +static bool recv_deregister(struct mesh_io *io, const uint8_t *filter, + uint8_t len) +{ + return true; +} + +const struct mesh_io_api mesh_io_unit = { + .init = unit_init, + .destroy = unit_destroy, + .caps = unit_caps, + .send = send_tx, + .reg = recv_register, + .dereg = recv_deregister, + .cancel = tx_cancel, +}; diff --git a/mesh/mesh-io-unit.h b/mesh/mesh-io-unit.h new file mode 100644 index 000000000..846eea7bc --- /dev/null +++ b/mesh/mesh-io-unit.h @@ -0,0 +1,11 @@ +// SPDX-License-Identifier: LGPL-2.1-or-later +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2021 Intel Corporation. All rights reserved. + * + * + */ + +extern const struct mesh_io_api mesh_io_unit; diff --git a/mesh/mesh-io.c b/mesh/mesh-io.c index 62fc5d12e..96891313a 100644 --- a/mesh/mesh-io.c +++ b/mesh/mesh-io.c @@ -22,10 +22,12 @@ /* List of Mesh-IO Type headers */ #include "mesh/mesh-io-generic.h" +#include "mesh/mesh-io-unit.h" /* List of Supported Mesh-IO Types */ static const struct mesh_io_table table[] = { - {MESH_IO_TYPE_GENERIC, &mesh_io_generic} + {MESH_IO_TYPE_GENERIC, &mesh_io_generic}, + {MESH_IO_TYPE_UNIT_TEST, &mesh_io_unit}, }; static struct l_queue *io_list; @@ -64,12 +66,9 @@ struct mesh_io *mesh_io_new(enum mesh_io_type type, void *opts, io = l_new(struct mesh_io, 1); - if (!io) - return NULL; - io->type = type; - io->api = api; + if (!api->init(io, opts, cb, user_data)) goto fail; diff --git a/mesh/mesh-io.h b/mesh/mesh-io.h index b11c6c6e1..80ef3fa3e 100644 --- a/mesh/mesh-io.h +++ b/mesh/mesh-io.h @@ -14,7 +14,8 @@ struct mesh_io; enum mesh_io_type { MESH_IO_TYPE_NONE = 0, - MESH_IO_TYPE_GENERIC + MESH_IO_TYPE_GENERIC, + MESH_IO_TYPE_UNIT_TEST }; enum mesh_io_timing_type { -- 2.26.2