From patchwork Mon Jun 3 18:53:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luiz Augusto von Dentz X-Patchwork-Id: 13684100 Received: from mail-vk1-f182.google.com (mail-vk1-f182.google.com [209.85.221.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 43E22139D03 for ; Mon, 3 Jun 2024 18:53:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717440799; cv=none; b=N1zEAyakgIe9PV1b11QyNbIWlhEUGBw4/Ry9U/i5TZhvldGefheu+N4POWUDo7k29aYjYcReic8TOcxSfntQ7rMf5X9JS1k4K4Quaj6z5HkaFsOYNWvqdrwVf6DIuLrFJOKG6WbrgB5190r63ZQ9jeX/3+L6nQ6+paZFZ7vNmog= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717440799; c=relaxed/simple; bh=BlMQ+hgTxxVK9SiYt7DjZJcwexb5fb9X1HYYnXHRsa0=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jsF2JSf78jKXh35oMug25sLxoX/CknZrA9oDRkBa3bdaLgx6HYNuE5zd9ElMMhERk74mLpHqIseN95ySXRHjU1d4aYXi3MDBApThSC6UYcPo6tIbFOswgRhbTW2HH1Blb3mZhHDTsuf4GM71aLgTxT/SYqXa9Jhd73j7CObXxAo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Ql7Jcqrz; arc=none smtp.client-ip=209.85.221.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Ql7Jcqrz" Received: by mail-vk1-f182.google.com with SMTP id 71dfb90a1353d-4eaf67ad82dso1354490e0c.1 for ; Mon, 03 Jun 2024 11:53:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1717440796; x=1718045596; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=Euucq6IfSWE4jNGcSdYkP4D/Lw58XowlpkSXFe+Qksw=; b=Ql7JcqrzaAtbc3PwjRqNKaxpK3ukw4fn7ZdWjeUWYg6lqwre95UAaSAfYsi5A7JeoF 5SbKLGnhZphJ4GZieUyaVNalNUVuIk43LDRN4y8MssYeIRTTBSFQTdCYh56SZ7W34w0/ 7CbqqOfDj0tU6nl0A0Xmi1Z3sUtSdupr+rdbNMeLe+EErHIopp3Vrjqu2Tl2mrl9SscR QDLCJ5QgEU+ICXqQEWU/viBne7oLUo8l2qULxW9/xgsW0unkXgfCdyQT7JqhPTtD69VF tV/V5e+nGYYINNX28FHD7M0bAhC0lu3OfuY4uR3ekckz1s/3Qla640qn0fHj14RCUIte 7xmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717440796; x=1718045596; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Euucq6IfSWE4jNGcSdYkP4D/Lw58XowlpkSXFe+Qksw=; b=DMaDVG8FlmLn16TeScm8Zqby/yrJLTqW7wQdX2D46s6NgFqWWU6hvGV4ElNlv+xiWv rHgrj8emysdTJ8cP6ki6fn1uDPNGozgNKZsNfPTvJhmKSry/117cNraFtyibjkN7sM4F QFXAFVRvZ/5mIx4mARhzNqbDxME50RtWtG3llhp+U5quX0Uxmkjmr062yye/HVwLAFTq BWvfT2QJSUnJfrdL5gAx6xuTBgpS38eSKMg+gh6gZfZpHC5GX1ZUGLSYMWH48jfnbO33 TG4/+dCOxw1IY4N38NfdacGJLP3lX9z76VS2OPKvQSIrK2UoZJv5ue6guXUw4bm3Qxzq SObw== X-Gm-Message-State: AOJu0YxNPo3lCgbGixAY9gL0o6z24GO6+JeTbSlHgScTUCAYCVK/NfGv g3sMLt8WZ3XEqvre78MMQ5mBHpuSrN6SZxL6fbRNRebOZ05CmzgAOia6wQ== X-Google-Smtp-Source: AGHT+IEZyYeLjouf704dFtN3nUdzC+78nwqNTc9ovbFF2d+sG4i0XJnUWfAntzLWui78TopmZtsTIw== X-Received: by 2002:ac5:c888:0:b0:4c9:2540:8520 with SMTP id 71dfb90a1353d-4eb02d7c90amr8709989e0c.1.1717440796231; Mon, 03 Jun 2024 11:53:16 -0700 (PDT) Received: from lvondent-mobl4.. (syn-107-146-107-067.res.spectrum.com. [107.146.107.67]) by smtp.gmail.com with ESMTPSA id 71dfb90a1353d-4eafecbab81sm1231658e0c.0.2024.06.03.11.53.15 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Jun 2024 11:53:15 -0700 (PDT) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ v2 2/3] shared/gatt-db: Introduce gatt_db_clone Date: Mon, 3 Jun 2024 14:53:11 -0400 Message-ID: <20240603185312.162337-2-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240603185312.162337-1-luiz.dentz@gmail.com> References: <20240603185312.162337-1-luiz.dentz@gmail.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Luiz Augusto von Dentz This introduces gatt_db_clone which can be used to clonse/deep copy and existing database. --- src/shared/gatt-db.c | 54 ++++++++++++++++++++++++++++++++++++++++++++ src/shared/gatt-db.h | 1 + 2 files changed, 55 insertions(+) diff --git a/src/shared/gatt-db.c b/src/shared/gatt-db.c index 2c8e7d31eda1..d8d21392fee6 100644 --- a/src/shared/gatt-db.c +++ b/src/shared/gatt-db.c @@ -260,6 +260,60 @@ struct gatt_db *gatt_db_new(void) return gatt_db_ref(db); } +static void service_clone(void *data, void *user_data) +{ + struct gatt_db_service *service = data; + struct gatt_db *db = user_data; + struct gatt_db_service *clone; + int i; + + clone = new0(struct gatt_db_service, 1); + clone->db = db; + clone->active = service->active; + clone->num_handles = service->num_handles; + clone->attributes = new0(struct gatt_db_attribute *, + service->num_handles); + + /* Clone attributes */ + for (i = 0; i < service->num_handles; i++) { + struct gatt_db_attribute *attr = service->attributes[i]; + + /* Only clone values for characteristics since that is + * cacheable. + */ + if (bt_uuid_len(&attr->uuid) == 2 && + attr->uuid.value.u16 == GATT_CHARAC_UUID) + clone->attributes[i] = new_attribute(clone, + attr->handle, + &attr->uuid, + attr->value, + attr->value_len); + else + clone->attributes[i] = new_attribute(clone, + attr->handle, + &attr->uuid, + NULL, 0); + } + + queue_push_tail(db->services, clone); +} + +struct gatt_db *gatt_db_clone(struct gatt_db *db) +{ + struct gatt_db *clone; + + if (!db) + return NULL; + + clone = gatt_db_new(); + if (!clone) + return NULL; + + queue_foreach(db->services, service_clone, clone); + + return clone; +} + static void notify_destroy(void *data) { struct notify *notify = data; diff --git a/src/shared/gatt-db.h b/src/shared/gatt-db.h index f7596e33529a..dc2daf7fc1ba 100644 --- a/src/shared/gatt-db.h +++ b/src/shared/gatt-db.h @@ -12,6 +12,7 @@ struct gatt_db; struct gatt_db_attribute; struct gatt_db *gatt_db_new(void); +struct gatt_db *gatt_db_clone(struct gatt_db *db); struct gatt_db *gatt_db_ref(struct gatt_db *db); void gatt_db_unref(struct gatt_db *db);