From patchwork Mon Sep 14 03:22:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Howard Chung X-Patchwork-Id: 11772779 X-Patchwork-Delegate: luiz.dentz@gmail.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2BF7E14F6 for ; Mon, 14 Sep 2020 03:22:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 072D121548 for ; Mon, 14 Sep 2020 03:22:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=google.com header.i=@google.com header.b="EcF2brSm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725983AbgINDWy (ORCPT ); Sun, 13 Sep 2020 23:22:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47992 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725973AbgINDWw (ORCPT ); Sun, 13 Sep 2020 23:22:52 -0400 Received: from mail-qt1-x849.google.com (mail-qt1-x849.google.com [IPv6:2607:f8b0:4864:20::849]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B4D8C061788 for ; Sun, 13 Sep 2020 20:22:52 -0700 (PDT) Received: by mail-qt1-x849.google.com with SMTP id b18so11063761qto.4 for ; Sun, 13 Sep 2020 20:22:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=YW+W6VPmCcUxZ0aKiaV5YI57Jl28Wn5E2tIC1a3e4wo=; b=EcF2brSmvrhgJqYWBuG++Nydgv5/jlTLD8CaRojWP1RYRkS69g9FxNYw1bUs4WtmhM zQ/QVQofVjzIxKmA2JU5nskcIFf4DgmjbLJYV2tCmYfXZtHCEbxrRHx/y2gKp2NkRbCk TK8cHpQOY4za9D+4ioF0ZTVBq80t8JzF+djygvGsPH6oYNTSioEq1gF0pU9udJaLVXaj 54GrpLemd6/Rc+zNpwxlphtt8ZWyEZZBY17jealGoQoHElx81H4d3f+S+JNtnDQubtdu e8X1XUbpX3J9beFtbaRZFYrRjSP/OUzEsm/QCaaUTqYkLV84lVFgX9GsY13+guB+MC1P pTkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=YW+W6VPmCcUxZ0aKiaV5YI57Jl28Wn5E2tIC1a3e4wo=; b=IBxPjn7pzhDmKBUQ6r/miKePXlcSWVUOg5IHUWgC/legHr8ehcDxeihHPRoYerV7zo NPCs9WrwD3TPLluGdkkPdbIKnZ2jrhVGZkvkE6ynUpzIR+ppc8chp0KopBr2xe+fMFIL 0p98A2gVR37Cwk8rDSqW2b9RrYXqnEJ4Qcg0dg37sNAIxYBJ/Kt1GWNSRW/ArF7rUI5u ehK4hZ/U2DPRzWFCp3Kk01Xjk3Iwjdnz+Bc+scHRr8oqr1Vc6EsRmh3FcRqRilDkt9vt YGylFk0P1TWU0Ihx19sXUKO/2Ti4tPUfwvrL215Ch5YcRqDoEghYsEj2RReGQxP9UQ4j ziHQ== X-Gm-Message-State: AOAM530gA6WQW+K63RXZo/z2Qu+BQ+NUH1Hz2GRmHC9ASN3X8YWtaff3 ChHldPHbrbo9v8/BpmhwIX/U9WHceZKkqEnV+ghiGmbKrchxIYkkKvG1hmLsg/kPe2MSjdGN2DI hol6S2uSL3NQl9rnvR92mPRbniNjxDrPgDT3n2u7lwCQOzIhLfcZRF84TLl0vstUaFGdpyMlo8P p98AU7Bq2Urns= X-Google-Smtp-Source: ABdhPJxI9yOBiZfYsQy2CFlnXhGhirO09U6556yXKIyc1iodIPY5fap/fZYq0cb1y1M8gMAfVs3FsScAmqWtEacWFA== X-Received: from howardchung-p920.tpe.corp.google.com ([2401:fa00:1:10:f693:9fff:fef4:4e45]) (user=howardchung job=sendgmr) by 2002:a0c:8645:: with SMTP id p63mr11527589qva.21.1600053771128; Sun, 13 Sep 2020 20:22:51 -0700 (PDT) Date: Mon, 14 Sep 2020 11:22:32 +0800 In-Reply-To: <20200914112137.BlueZ.v4.1.I8e067a74d324751fc788f53e0c14f60923683d01@changeid> Message-Id: <20200914112137.BlueZ.v4.3.I680cda25cec9c45ca2b2c5ac3a8e437772ea76d9@changeid> Mime-Version: 1.0 References: <20200914112137.BlueZ.v4.1.I8e067a74d324751fc788f53e0c14f60923683d01@changeid> X-Mailer: git-send-email 2.28.0.618.gf4bc123cb7-goog Subject: [BlueZ PATCH v4 3/4] client: Expose ADV monitor objects From: Howard Chung To: linux-bluetooth@vger.kernel.org Cc: mcchou@chromium.org, luiz.von.dentz@intel.com, mmandlik@chromium.org, alainm@chromium.org, Howard Chung Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org This adds logic to expose user-defined advertisement monitor to dbus and also implements methods for exposed objects. Reviewed-by: Manish Mandlik --- Changes in v4: - Remove PRE-UPSTREAM in commit title Reviewed-by: Miao-chen Chou client/adv_monitor.c | 185 ++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 182 insertions(+), 3 deletions(-) diff --git a/client/adv_monitor.c b/client/adv_monitor.c index 49c0dd01d..bb833ffea 100644 --- a/client/adv_monitor.c +++ b/client/adv_monitor.c @@ -53,6 +53,7 @@ struct pattern { struct adv_monitor { uint8_t idx; + char *path; char *type; struct rssi_setting *rssi; GSList *patterns; @@ -68,6 +69,163 @@ static struct adv_monitor_manager { static uint8_t adv_mon_idx; static GSList *adv_mons; +static void remove_adv_monitor(void *data, void *user_data); + +static DBusMessage *release_adv_monitor(DBusConnection *conn, + DBusMessage *msg, void *user_data) +{ + struct adv_monitor *adv_monitor = user_data; + + bt_shell_printf("Advertisement monitor %d released\n", + adv_monitor->idx); + remove_adv_monitor(adv_monitor, conn); + + return dbus_message_new_method_return(msg); +} + +static DBusMessage *activate_adv_monitor(DBusConnection *conn, + DBusMessage *msg, void *user_data) +{ + struct adv_monitor *adv_monitor = user_data; + + bt_shell_printf("Advertisement monitor %d activated\n", + adv_monitor->idx); + return dbus_message_new_method_return(msg); +} + +static DBusMessage *device_found_adv_monitor(DBusConnection *conn, + DBusMessage *msg, void *user_data) +{ + struct adv_monitor *adv_monitor = user_data; + const char *device; + + dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &device, + DBUS_TYPE_INVALID); + bt_shell_printf("Advertisement monitor %d found device %s\n", + adv_monitor->idx, device); + return dbus_message_new_method_return(msg); +} + +static DBusMessage *device_lost_adv_monitor(DBusConnection *conn, + DBusMessage *msg, void *user_data) +{ + struct adv_monitor *adv_monitor = user_data; + const char *device; + + dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &device, + DBUS_TYPE_INVALID); + bt_shell_printf("Advertisement monitor %d lost device %s\n", + adv_monitor->idx, device); + return dbus_message_new_method_return(msg); +} + +static const GDBusMethodTable adv_monitor_methods[] = { + { GDBUS_ASYNC_METHOD("Release", NULL, NULL, release_adv_monitor) }, + { GDBUS_ASYNC_METHOD("Activate", NULL, NULL, activate_adv_monitor) }, + { GDBUS_ASYNC_METHOD("DeviceFound", GDBUS_ARGS({ "device", "o" }), + NULL, device_found_adv_monitor) }, + { GDBUS_ASYNC_METHOD("DeviceLost", GDBUS_ARGS({ "device", "o" }), + NULL, device_lost_adv_monitor) }, + { } +}; + + +static gboolean get_type(const GDBusPropertyTable *property, + DBusMessageIter *iter, void *user_data) +{ + struct adv_monitor *adv_monitor = user_data; + + dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, + &adv_monitor->type); + return TRUE; +} + +static gboolean get_rssi(const GDBusPropertyTable *property, + DBusMessageIter *iter, void *user_data) +{ + struct adv_monitor *adv_monitor = user_data; + struct rssi_setting *rssi = adv_monitor->rssi; + DBusMessageIter data_iter; + + dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT, + NULL, &data_iter); + dbus_message_iter_append_basic(&data_iter, DBUS_TYPE_INT16, + &rssi->high_threshold); + dbus_message_iter_append_basic(&data_iter, DBUS_TYPE_UINT16, + &rssi->high_timer); + dbus_message_iter_append_basic(&data_iter, DBUS_TYPE_INT16, + &rssi->low_threshold); + dbus_message_iter_append_basic(&data_iter, DBUS_TYPE_UINT16, + &rssi->low_timer); + dbus_message_iter_close_container(iter, &data_iter); + return TRUE; +} + +static gboolean rssi_exists(const GDBusPropertyTable *property, void *data) +{ + struct adv_monitor *adv_monitor = data; + + return adv_monitor->rssi != NULL; +} + +static void append_pattern_content_to_dbus(DBusMessageIter *iter, + struct pattern *pattern) +{ + DBusMessageIter data_iter; + int idx; + + dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY, + DBUS_TYPE_BYTE_AS_STRING, &data_iter); + for (idx = 0; idx < pattern->content_len; idx++) + dbus_message_iter_append_basic(&data_iter, DBUS_TYPE_BYTE, + &pattern->content[idx]); + dbus_message_iter_close_container(iter, &data_iter); +} + +static void append_pattern_to_dbus(void *data, void *user_data) +{ + struct pattern *pattern = data; + DBusMessageIter *array_iter = user_data; + DBusMessageIter data_iter; + + dbus_message_iter_open_container(array_iter, DBUS_TYPE_STRUCT, + NULL, &data_iter); + dbus_message_iter_append_basic(&data_iter, DBUS_TYPE_BYTE, + &pattern->start_pos); + dbus_message_iter_append_basic(&data_iter, DBUS_TYPE_BYTE, + &pattern->ad_data_type); + append_pattern_content_to_dbus(&data_iter, pattern); + dbus_message_iter_close_container(array_iter, &data_iter); +} + +static gboolean get_patterns(const GDBusPropertyTable *property, + DBusMessageIter *iter, void *user_data) +{ + struct adv_monitor *adv_monitor = user_data; + DBusMessageIter array_iter; + + dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY, "(yyay)", + &array_iter); + g_slist_foreach(adv_monitor->patterns, append_pattern_to_dbus, + &array_iter); + dbus_message_iter_close_container(iter, &array_iter); + return TRUE; +} + +static gboolean pattern_exists(const GDBusPropertyTable *property, void *data) +{ + struct adv_monitor *adv_monitor = data; + + return adv_monitor->patterns != NULL; +} + +static const GDBusPropertyTable adv_monitor_props[] = { + { "Type", "s", get_type }, + { "RSSIThresholdsAndTimers", "(nqnq)", get_rssi, NULL, rssi_exists }, + { "Patterns", "a(yyay)", get_patterns, NULL, pattern_exists }, + { } +}; + static void set_supported_list(GSList **list, DBusMessageIter *iter) { char *str; @@ -201,6 +359,7 @@ static void free_adv_monitor(void *user_data) { struct adv_monitor *adv_monitor = user_data; + g_free(adv_monitor->path); g_free(adv_monitor->type); g_free(adv_monitor->rssi); g_slist_free_full(adv_monitor->patterns, free_pattern); @@ -325,6 +484,16 @@ static GSList *parse_patterns(char *pattern_list[], int num) return patterns; } +static void remove_adv_monitor(void *data, void *user_data) +{ + struct adv_monitor *adv_monitor = data; + DBusConnection *conn = user_data; + + adv_mons = g_slist_remove(adv_mons, adv_monitor); + g_dbus_unregister_interface(conn, adv_monitor->path, + ADV_MONITOR_INTERFACE); +} + static gint cmp_adv_monitor_with_idx(gconstpointer a, gconstpointer b) { const struct adv_monitor *adv_monitor = a; @@ -360,6 +529,7 @@ static void print_adv_monitor(struct adv_monitor *adv_monitor) GSList *l; bt_shell_printf("Advertisement Monitor %d\n", adv_monitor->idx); + bt_shell_printf("\tpath: %s\n", adv_monitor->path); bt_shell_printf("\ttype: %s\n", adv_monitor->type); if (adv_monitor->rssi) { bt_shell_printf("\trssi:\n"); @@ -434,6 +604,16 @@ void adv_monitor_add_monitor(DBusConnection *conn, char *type, adv_monitor->type = g_strdup(type); adv_monitor->rssi = rssi; adv_monitor->patterns = patterns; + adv_monitor->path = g_strdup_printf("%s/%hhu", ADV_MONITOR_APP_PATH, + adv_mon_idx); + if (g_dbus_register_interface(conn, adv_monitor->path, + ADV_MONITOR_INTERFACE, + adv_monitor_methods, NULL, + adv_monitor_props, adv_monitor, + free_adv_monitor) == FALSE) { + bt_shell_printf("Failed to register advertisement monitor\n"); + return bt_shell_noninteractive_quit(EXIT_FAILURE); + } adv_mons = g_slist_append(adv_mons, adv_monitor); bt_shell_printf("Advertisement Monitor %d added\n", adv_monitor->idx); @@ -468,7 +648,7 @@ void adv_monitor_remove_monitor(DBusConnection *conn, int monitor_idx) struct adv_monitor *adv_monitor; if (monitor_idx < 0) { - g_slist_free_full(g_steal_pointer(&adv_mons), free_adv_monitor); + g_slist_foreach(adv_mons, remove_adv_monitor, conn); return; } @@ -479,8 +659,7 @@ void adv_monitor_remove_monitor(DBusConnection *conn, int monitor_idx) return; } - adv_mons = g_slist_remove(adv_mons, adv_monitor); - free_adv_monitor(adv_monitor); + remove_adv_monitor(adv_monitor, conn); bt_shell_printf("Monitor %d deleted\n", monitor_idx); }