Return-Path: MIME-Version: 1.0 In-Reply-To: <1414762794-30166-1-git-send-email-luiz.dentz@gmail.com> References: <1414762794-30166-1-git-send-email-luiz.dentz@gmail.com> Date: Fri, 31 Oct 2014 11:27:57 -0700 Message-ID: Subject: Re: [PATCH BlueZ v4 1/9] shared/gatt-db: Expose gatt_db_attribute From: Arman Uguray To: Luiz Augusto von Dentz Cc: BlueZ development Content-Type: text/plain; charset=UTF-8 Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Hi Luiz, > On Fri, Oct 31, 2014 at 6:39 AM, Luiz Augusto von Dentz wrote: > From: Luiz Augusto von Dentz > > This is the new API to reduce the lookups in gatt_db and make it > a little bit more convenient for batch operations, so the general idea > is to be able to get a hold of it via gatt_db_get_attribute but also > replace the handles in the queues with proper attributes so the server > code don't have to lookup again when reading/writing, checking > permissions, or any other operation that can be done directly. > --- > v2: Address problems gatt_db_attribute_read and gatt_db_attribute_write > pointed out by Arman. > v3: Allow gatt_db_attribute_read to work if offset equals to value length. > v4: Fix using attribute handle for service related operations. > > src/shared/gatt-db.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ > src/shared/gatt-db.h | 36 ++++++++++++++++++++++++++++++++++++ > 2 files changed, 87 insertions(+) > > diff --git a/src/shared/gatt-db.c b/src/shared/gatt-db.c > index 6b5e84c..3ade7a9 100644 > --- a/src/shared/gatt-db.c > +++ b/src/shared/gatt-db.c > @@ -802,3 +802,54 @@ bool gatt_db_get_attribute_permissions(struct gatt_db *db, uint16_t handle, > return true; > > } > + > +struct gatt_db_attribute *gatt_db_get_attribute(struct gatt_db *db, > + uint16_t handle) > +{ > + return NULL; > +} > + > +const bt_uuid_t *gatt_db_attribute_get_type(struct gatt_db_attribute *attrib) > +{ > + return NULL; > +} > + > +uint16_t gatt_db_attribute_get_handle(struct gatt_db_attribute *attrib) > +{ > + return 0; > +} > + > +bool gatt_db_attribute_get_service_uuid(struct gatt_db_attribute *attrib, > + bt_uuid_t *uuid) > +{ > + return false; > +} > + > +bool gatt_db_attribute_get_service_handles(struct gatt_db_attribute *attrib, > + uint16_t *start_handle, > + uint16_t *end_handle) > +{ > + return false; > +} > + > +bool gatt_db_attribute_get_permissions(struct gatt_db_attribute *attrib, > + uint32_t *permissions) > +{ > + return false; > +} > + > +bool gatt_db_attribute_read(struct gatt_db_attribute *attrib, uint16_t offset, > + uint8_t opcode, bdaddr_t *bdaddr, > + gatt_db_attribute_read_t func, void *user_data) > +{ > + return false; > +} > + > +bool gatt_db_attribute_write(struct gatt_db_attribute *attrib, uint16_t offset, > + const uint8_t *value, size_t len, > + uint8_t opcode, bdaddr_t *bdaddr, > + gatt_db_attribute_write_t func, > + void *user_data) > +{ > + return false; > +} > diff --git a/src/shared/gatt-db.h b/src/shared/gatt-db.h > index 8d18434..15be67f 100644 > --- a/src/shared/gatt-db.h > +++ b/src/shared/gatt-db.h > @@ -96,3 +96,39 @@ bool gatt_db_get_service_uuid(struct gatt_db *db, uint16_t handle, > > bool gatt_db_get_attribute_permissions(struct gatt_db *db, uint16_t handle, > uint32_t *permissions); > + > +struct gatt_db_attribute; > + > +struct gatt_db_attribute *gatt_db_get_attribute(struct gatt_db *db, > + uint16_t handle); > + > +const bt_uuid_t *gatt_db_attribute_get_type(struct gatt_db_attribute *attrib); > + > +uint16_t gatt_db_attribute_get_handle(struct gatt_db_attribute *attrib); > + > +bool gatt_db_attribute_get_service_uuid(struct gatt_db_attribute *attrib, > + bt_uuid_t *uuid); > + > +bool gatt_db_attribute_get_service_handles(struct gatt_db_attribute *attrib, > + uint16_t *start_handle, > + uint16_t *end_handle); > + > +bool gatt_db_attribute_get_permissions(struct gatt_db_attribute *attrib, > + uint32_t *permissions); > + > +typedef void (*gatt_db_attribute_read_t) (struct gatt_db_attribute *attrib, > + int err, uint8_t *value, size_t length, > + void *user_data); > + > +bool gatt_db_attribute_read(struct gatt_db_attribute *attrib, uint16_t offset, > + uint8_t opcode, bdaddr_t *bdaddr, > + gatt_db_attribute_read_t func, void *user_data); > + > +typedef void (*gatt_db_attribute_write_t) (struct gatt_db_attribute *attrib, > + int err, void *user_data); > + > +bool gatt_db_attribute_write(struct gatt_db_attribute *attrib, uint16_t offset, > + const uint8_t *value, size_t len, > + uint8_t opcode, bdaddr_t *bdaddr, > + gatt_db_attribute_write_t func, > + void *user_data); > -- > 1.9.3 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html Patch set looks good to me. You can go ahead and apply if Michael, Marcin, and others are also fine with it. Cheers, Arman