This new function searches for a range of at least "nitems" available
(unused) attribute handles. It then returns either zero (if no available
range was found) or the start handle of the available range.
---
src/attrib-server.c | 28 ++++++++++++++++++++++++++++
src/attrib-server.h | 1 +
2 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/src/attrib-server.c b/src/attrib-server.c
index 74a1c8d..67165f8 100644
--- a/src/attrib-server.c
+++ b/src/attrib-server.c
@@ -1209,6 +1209,34 @@ void attrib_free_sdp(uint32_t sdp_handle)
remove_record_from_server(sdp_handle);
}
+uint16_t attrib_db_find_avail(uint16_t nitems)
+{
+ uint16_t handle;
+ GSList *l;
+
+ g_assert(nitems > 0);
+
+ for (l = database, handle = 0; l; l = l->next) {
+ struct attribute *a = l->data;
+
+ if (handle && (bt_uuid_cmp(&a->uuid, &prim_uuid) == 0 ||
+ bt_uuid_cmp(&a->uuid, &snd_uuid) == 0) &&
+ a->handle - handle >= nitems)
+ /* Note: the range above excludes the current handle */
+ return handle;
+
+ if (a->handle == 0xffff)
+ return 0;
+
+ handle = a->handle + 1;
+ }
+
+ if (0xffff - handle + 1 >= nitems)
+ return handle;
+
+ return 0;
+}
+
struct attribute *attrib_db_add(uint16_t handle, bt_uuid_t *uuid, int read_reqs,
int write_reqs, const uint8_t *value, int len)
{
diff --git a/src/attrib-server.h b/src/attrib-server.h
index 38a1f05..83484fc 100644
--- a/src/attrib-server.h
+++ b/src/attrib-server.h
@@ -25,6 +25,7 @@
int attrib_server_init(void);
void attrib_server_exit(void);
+uint16_t attrib_db_find_avail(uint16_t nitems);
struct attribute *attrib_db_add(uint16_t handle, bt_uuid_t *uuid, int read_reqs,
int write_reqs, const uint8_t *value, int len);
int attrib_db_update(uint16_t handle, bt_uuid_t *uuid, const uint8_t *value,
--
1.7.0.4
--
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