This patch introduces new functions for sending notifications and
indications as a GATT server.
---
src/shared/gatt-server.c | 95 ++++++++++++++++++++++++++++++++++++++++++++++++
src/shared/gatt-server.h | 12 ++++++
2 files changed, 107 insertions(+)
diff --git a/src/shared/gatt-server.c b/src/shared/gatt-server.c
index 49da84e..e77acce 100644
--- a/src/shared/gatt-server.c
+++ b/src/shared/gatt-server.c
@@ -1077,3 +1077,98 @@ bool bt_gatt_server_set_debug(struct bt_gatt_server *server,
return true;
}
+
+bool bt_gatt_server_send_notification(struct bt_gatt_server *server,
+ uint16_t handle, const uint8_t *value,
+ uint16_t length)
+{
+ uint16_t pdu_len;
+ uint8_t *pdu;
+ bool result;
+
+ if (!server || (length && !value))
+ return false;
+
+ pdu_len = MIN(bt_att_get_mtu(server->att), length + 2);
+ pdu = malloc(pdu_len);
+ if (!pdu)
+ return false;
+
+ put_le16(handle, pdu);
+ memcpy(pdu + 2, value, length);
+
+ result = !!bt_att_send(server->att, BT_ATT_OP_HANDLE_VAL_NOT, pdu,
+ pdu_len, NULL, NULL, NULL);
+ free(pdu);
+
+ return result;
+}
+
+struct ind_data {
+ bt_gatt_server_conf_func_t callback;
+ bt_gatt_server_destroy_func_t destroy;
+ void *user_data;
+};
+
+static void destroy_ind_data(void *user_data)
+{
+ struct ind_data *data = user_data;
+
+ if (data->destroy)
+ data->destroy(data->user_data);
+
+ free(data);
+}
+
+static void conf_cb(uint8_t opcode, const void *pdu,
+ uint16_t length, void *user_data)
+{
+ struct ind_data *data = user_data;
+
+ if (data->callback)
+ data->callback(data->user_data);
+}
+
+bool bt_gatt_server_send_indication(struct bt_gatt_server *server,
+ uint16_t handle, const uint8_t *value,
+ uint16_t length,
+ bt_gatt_server_conf_func_t callback,
+ void *user_data,
+ bt_gatt_server_destroy_func_t destroy)
+{
+ uint16_t pdu_len;
+ uint8_t *pdu;
+ struct ind_data *data;
+ bool result;
+
+ if (!server || (length && !value))
+ return false;
+
+ pdu_len = MIN(bt_att_get_mtu(server->att), length + 2);
+ pdu = malloc(pdu_len);
+ if (!pdu)
+ return false;
+
+ data = new0(struct ind_data, 1);
+ if (!data) {
+ free(pdu);
+ return false;
+ }
+
+ data->callback = callback;
+ data->destroy = destroy;
+ data->user_data = user_data;
+
+ put_le16(handle, pdu);
+ memcpy(pdu + 2, value, length);
+
+ result = !!bt_att_send(server->att, BT_ATT_OP_HANDLE_VAL_IND, pdu,
+ pdu_len, conf_cb,
+ data, destroy_ind_data);
+ if (!result)
+ destroy_ind_data(data);
+
+ free(pdu);
+
+ return result;
+}
diff --git a/src/shared/gatt-server.h b/src/shared/gatt-server.h
index e3c4def..0e480e1 100644
--- a/src/shared/gatt-server.h
+++ b/src/shared/gatt-server.h
@@ -33,8 +33,20 @@ void bt_gatt_server_unref(struct bt_gatt_server *server);
typedef void (*bt_gatt_server_destroy_func_t)(void *user_data);
typedef void (*bt_gatt_server_debug_func_t)(const char *str, void *user_data);
+typedef void (*bt_gatt_server_conf_func_t)(void *user_data);
bool bt_gatt_server_set_debug(struct bt_gatt_server *server,
bt_gatt_server_debug_func_t callback,
void *user_data,
bt_gatt_server_destroy_func_t destroy);
+
+bool bt_gatt_server_send_notification(struct bt_gatt_server *server,
+ uint16_t handle, const uint8_t *value,
+ uint16_t length);
+
+bool bt_gatt_server_send_indication(struct bt_gatt_server *server,
+ uint16_t handle, const uint8_t *value,
+ uint16_t length,
+ bt_gatt_server_conf_func_t callback,
+ void *user_data,
+ bt_gatt_server_destroy_func_t destroy);
--
2.1.0.rc2.206.gedb03e5
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