This patch introduces gatt_db_clear and gatt_db_clear_range functions
for removing services from the database.
---
src/shared/gatt-db.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
src/shared/gatt-db.h | 3 +++
2 files changed, 48 insertions(+)
diff --git a/src/shared/gatt-db.c b/src/shared/gatt-db.c
index 0c24904..2515e5a 100644
--- a/src/shared/gatt-db.c
+++ b/src/shared/gatt-db.c
@@ -305,6 +305,51 @@ bool gatt_db_remove_service(struct gatt_db *db,
return true;
}
+bool gatt_db_clear(struct gatt_db *db)
+{
+ if (!db)
+ return false;
+
+ queue_remove_all(db->services, NULL, NULL, gatt_db_service_destroy);
+
+ db->next_handle = 0;
+
+ return true;
+}
+
+struct clear_range {
+ uint16_t start, end;
+};
+
+static bool match_range(const void *a, const void *b)
+{
+ const struct gatt_db_service *service = a;
+ const struct clear_range *range = b;
+ uint16_t svc_start, svc_end;
+
+ svc_start = service->attributes[0]->handle;
+ svc_end = service->attributes[0]->handle + service->num_handles - 1;
+
+ return svc_start <= range->end && svc_end >= range->start;
+}
+
+bool gatt_db_clear_range(struct gatt_db *db, uint16_t start_handle,
+ uint16_t end_handle)
+{
+ struct clear_range range;
+
+ if (!db || start_handle > end_handle)
+ return false;
+
+ range.start = start_handle;
+ range.end = end_handle;
+
+ queue_remove_all(db->services, match_range, &range,
+ gatt_db_service_destroy);
+
+ return true;
+}
+
struct insert_loc_data {
struct gatt_db_service *cur;
uint16_t start, end;
diff --git a/src/shared/gatt-db.h b/src/shared/gatt-db.h
index c9e3b59..ea9f2dc 100644
--- a/src/shared/gatt-db.h
+++ b/src/shared/gatt-db.h
@@ -34,6 +34,9 @@ struct gatt_db_attribute *gatt_db_add_service(struct gatt_db *db,
bool gatt_db_remove_service(struct gatt_db *db,
struct gatt_db_attribute *attrib);
+bool gatt_db_clear(struct gatt_db *db);
+bool gatt_db_clear_range(struct gatt_db *db, uint16_t start_handle,
+ uint16_t end_handle);
struct gatt_db_attribute *gatt_db_insert_service(struct gatt_db *db,
uint16_t handle,
--
2.2.0.rc0.207.ga3a616c
--
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