From patchwork Thu Jan 25 19:08:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Fr=C3=A9d=C3=A9ric_Danis?= X-Patchwork-Id: 13531536 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 201E11339A3 for ; Thu, 25 Jan 2024 19:08:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706209698; cv=none; b=b20zTvXd4MA8Laya2aoIriUyH9flK403FyMQQtscGY1mp483IXzod8e8Qf+B5wPuuahA3bcX6fBtNT0X1mxWqNoFZ6dMEtf+Boecc0k3WNHvLTufLkVPNyo3PWZs8pNcOPGNmABpH9YROeGQ3eurWkJ6HvSwYyyYXi8n8K4u77o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706209698; c=relaxed/simple; bh=FC+9pgSINxVbv8TKyD9qVRj5fjcBXeSQmgiihqqgTVE=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=QAC4fF1cjGwisuI71zISq6P97RWUMhIJuU/zlAkZ0VnIttrsbmRRo7CRg4SXhraAFh/pKUJ0bA+rAwWFIRDvJ7TzyrjpmP55HncPBQnDJvz+JBMdLrGrWBwPEGKhhkujIjX82B3cEElanmkr698hdIBCFtpyPQUQF9elrDM7fAY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=vzUO/9ar; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="vzUO/9ar" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1706209695; bh=FC+9pgSINxVbv8TKyD9qVRj5fjcBXeSQmgiihqqgTVE=; h=From:To:Subject:Date:In-Reply-To:References:From; b=vzUO/9ar8sdWhSTMBMfoO7v+UoLde+Hr4btcoGtHzsBpZaAmD/zr0+dIpplSCa/Ju cufyt1A05yx0dIMspRwXk3Evq3fxrtZwoPlOVYDEzXRXqb+TNFqDqCcNeTE98R48l0 3OKeStJw9Uqv4EslZ4w4zNE2oQujrgXWLafVP8d+cm5+nobMEI0ufsVTXMOicaK194 zBJ0oEfPalsYmWPB0KVE/T5dopgrsqTCsGBtmd6//VSWvY0MAVuEiNaThusgiP7Vs4 BusnlwSDm2uRj+i/Vp3DiVt68K3/qBf1qe8MdJpn4rAUUNeAHhGmnZdL6UEdwYHcm+ Ts+Fe03ofW7kQ== Received: from fdanis-XPS-13-9370.. (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: fdanis) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 567A33782033 for ; Thu, 25 Jan 2024 19:08:15 +0000 (UTC) From: =?utf-8?q?Fr=C3=A9d=C3=A9ric_Danis?= To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ v3 4/5] btgatt-client: Add function to search characteristics Date: Thu, 25 Jan 2024 20:08:04 +0100 Message-Id: <20240125190805.1244787-5-frederic.danis@collabora.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240125190805.1244787-1-frederic.danis@collabora.com> References: <20240125190805.1244787-1-frederic.danis@collabora.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This is requested to pass PTS GATT/CL/GAD/BV-05-C test. This search characteristics based on UUID, start and end handles. --- tools/btgatt-client.c | 82 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) diff --git a/tools/btgatt-client.c b/tools/btgatt-client.c index 99a123697..04fd3ce0f 100644 --- a/tools/btgatt-client.c +++ b/tools/btgatt-client.c @@ -1420,6 +1420,86 @@ static void cmd_search_service(struct client *cli, char *cmd_str) NULL); } +static void search_characteristics_usage(void) +{ + printf("Usage: search-characteristics " + "\n" + "e.g.:\n" + "\tsearch-characteristics 0x0001 0xFFFF 1800\n"); +} + +static void search_characteristics_cb(bool success, uint8_t att_ecode, + struct bt_gatt_result *result, + void *user_data) +{ + struct bt_gatt_iter iter; + uint16_t handle, length; + const uint8_t *value; + int i; + + if (!success) { + PRLOG("\nCharacteristics discovery failed: %s (0x%02x)\n", + ecode_to_string(att_ecode), att_ecode); + return; + } + + if (!result || !bt_gatt_iter_init(&iter, result)) + return; + + printf("\n"); + while (bt_gatt_iter_next_read_by_type(&iter, &handle, &length, + &value)) { + printf("Found handle: 0x%04x value: ", handle); + for (i = 0; i < length; i++) + printf("%02x ", value[i]); + printf("\n"); + } + PRLOG("\n"); +} + +static void cmd_search_characteristics(struct client *cli, char *cmd_str) +{ + char *argv[4]; + int argc = 0; + uint16_t start_handle, end_handle; + char *endptr = NULL; + bt_uuid_t uuid; + + if (!bt_gatt_client_is_ready(cli->gatt)) { + printf("GATT client not initialized\n"); + return; + } + + if (!parse_args(cmd_str, 3, argv, &argc) || argc != 3) { + search_characteristics_usage(); + return; + } + + start_handle = strtol(argv[0], &endptr, 0); + if (!endptr || *endptr != '\0') { + printf("Invalid start handle: %s\n", argv[0]); + return; + } + + end_handle = strtol(argv[1], &endptr, 0); + if (!endptr || *endptr != '\0') { + printf("Invalid end handle: %s\n", argv[1]); + return; + } + + if (bt_string_to_uuid(&uuid, argv[2]) < 0) { + printf("Invalid UUID: %s\n", argv[2]); + return; + } + + bt_gatt_read_by_type(bt_gatt_client_get_att(cli->gatt), start_handle, + end_handle, + &uuid, + search_characteristics_cb, + NULL, + NULL); +} + static void cmd_help(struct client *cli, char *cmd_str); typedef void (*command_func_t)(struct client *cli, char *cmd_str); @@ -1458,6 +1538,8 @@ static struct { "\tSet signing key for signed write command"}, { "search-service", cmd_search_service, "\tSearch service"}, + { "search-characteristics", cmd_search_characteristics, + "\tSearch characteristics"}, { } };