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Extend discover characteristic by UUID in gatttool to fetch all values

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If the number of characteristics returned exceeds the MTU size, it will
be needed to ask for more data until the handle range is entirely
searched.
This commit is contained in:
Sheldon Demario 2010-11-23 07:37:19 -05:00 committed by Johan Hedberg
parent 4e0e44626d
commit 63beb887a6
1 changed files with 23 additions and 1 deletions
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24
attrib/gatttool.c
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@ -401,9 +401,14 @@ done:
static void char_read_by_uuid_cb(guint8 status, const guint8 *pdu,
guint16 plen, gpointer user_data)
{
struct characteristic_data *char_data = user_data;
struct att_data_list *list;
int i;
if (status == ATT_ECODE_ATTR_NOT_FOUND &&
char_data->start != opt_start)
goto done;
if (status != 0) {
g_printerr("Read characteristics by UUID failed: %s\n",
att_ecode2str(status));
@ -418,6 +423,8 @@ static void char_read_by_uuid_cb(guint8 status, const guint8 *pdu,
uint8_t *value = list->data[i];
int j;
char_data->start = att_get_u16(value) + 1;
g_print("handle: 0x%04x \t value: ", att_get_u16(value));
value += 2;
for (j = 0; j < list->len - 2; j++, value++)
@ -427,7 +434,14 @@ static void char_read_by_uuid_cb(guint8 status, const guint8 *pdu,
att_data_list_free(list);
gatt_read_char_by_uuid(char_data->attrib, char_data->start,
char_data->end, opt_uuid,
char_read_by_uuid_cb,
char_data);
return;
done:
g_free(char_data);
g_main_loop_quit(event_loop);
}
@ -436,8 +450,16 @@ static gboolean characteristics_read(gpointer user_data)
GAttrib *attrib = user_data;
if (opt_uuid != NULL) {
struct characteristic_data *char_data;
char_data = g_new(struct characteristic_data, 1);
char_data->attrib = attrib;
char_data->start = opt_start;
char_data->end = opt_end;
gatt_read_char_by_uuid(attrib, opt_start, opt_end, opt_uuid,
char_read_by_uuid_cb, attrib);
char_read_by_uuid_cb, char_data);
return FALSE;
}