2 * Copyright (C) 2013 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #ifndef ANDROID_INCLUDE_BT_GATT_SERVER_H
19 #define ANDROID_INCLUDE_BT_GATT_SERVER_H
23 #include "bt_gatt_types.h"
27 /** GATT value type used in response to remote read requests */
29 uint8_t value[BTGATT_MAX_ATTR_LEN];
36 /** GATT remote read request response type */
38 btgatt_value_t attr_value;
48 char* manufacturer_data;
49 uint16_t manufacturer_data_len;
51 uint16_t service_data_len;
53 uint16_t service_uuid_len;
55 uint16_t solicit_uuid_len;
56 uint16_t min_interval;
57 uint16_t max_interval;
62 } btgatt_adv_param_setup_t;
65 /** BT-GATT Server callback structure. */
67 /** Callback invoked in response to register_server */
68 typedef void (*register_server_callback)(int status, int server_if,
71 /** Callback indicating that a remote device has connected or been disconnected */
72 typedef void (*connection_callback)(int conn_id, int server_if, int connected,
75 /** Callback invoked in response to create_service */
76 typedef void (*service_added_callback)(int status, int server_if,
77 btgatt_srvc_id_t *srvc_id, int srvc_handle);
79 /** Callback indicating that an included service has been added to a service */
80 typedef void (*included_service_added_callback)(int status, int server_if,
81 int srvc_handle, int incl_srvc_handle);
83 /** Callback invoked when a characteristic has been added to a service */
84 typedef void (*characteristic_added_callback)(int status, int server_if,
85 bt_uuid_t *uuid, int srvc_handle, int char_handle);
87 /** Callback invoked when a descriptor has been added to a characteristic */
88 typedef void (*descriptor_added_callback)(int status, int server_if,
89 bt_uuid_t *uuid, int srvc_handle, int descr_handle);
91 /** Callback invoked in response to start_service */
92 typedef void (*service_started_callback)(int status, int server_if,
95 /** Callback invoked in response to stop_service */
96 typedef void (*service_stopped_callback)(int status, int server_if,
99 /** Callback triggered when a service has been deleted */
100 typedef void (*service_deleted_callback)(int status, int server_if,
104 * Callback invoked when indication confirmation
106 typedef void (*indication_confirmation_callback) (int conn_id, int trans_id, int attr_handle, bt_bdaddr_t *bda);
110 * Callback invoked when indication confirmation
112 typedef void (*notification_enabled_callback) (int conn_id, int trans_id, int attr_handle, bool notify, bt_bdaddr_t *bda);
116 * Callback invoked when a remote device has requested to read a characteristic
117 * or descriptor. The application must respond by calling send_response
119 typedef void (*request_read_callback)(int conn_id, int trans_id, bt_bdaddr_t *bda,
120 int attr_handle, int offset, bool is_long);
123 * Callback invoked when a remote device has requested to write to a
124 * characteristic or descriptor.
126 typedef void (*request_write_callback)(int conn_id, int trans_id, bt_bdaddr_t *bda,
127 int attr_handle, int offset, int length,
128 bool need_rsp, bool is_prep, uint8_t* value);
131 * Callback invoked when a remote device has requested to acqiore write to a
134 typedef void (*request_acquire_write_callback)(int mtu, int conn_id, int trans_id,
135 int attr_handle, bt_bdaddr_t *bda);
137 typedef void (*request_acquire_notify_callback)(int fd, int conn_id, int trans_id,
141 /** Callback invoked when a previously prepared write is to be executed */
142 typedef void (*request_exec_write_callback)(int conn_id, int trans_id,
143 bt_bdaddr_t *bda, int exec_write);
148 * Callback triggered in response to send_response if the remote device
149 * sends a confirmation.
151 typedef void (*response_confirmation_callback)(int status, int handle);
154 * Callback indicationg the status of a listen() operation
156 typedef void (*listen_callback)(int status, int server_if);
158 /** Callback invoked when multi-adv enable operation has completed */
159 typedef void (*multi_adv_enable_callback)(int server_if, int status);
161 /** Callback invoked when multi-adv param update operation has completed */
162 typedef void (*multi_adv_update_callback)(int server_if, int status);
164 /** Callback invoked when multi-adv instance data set operation has completed */
165 typedef void (*multi_adv_data_callback)(int server_if, int status);
167 /** Callback invoked when multi-adv disable operation has completed */
168 typedef void (*multi_adv_disable_callback)(int server_if, int status);
170 /** Callback invoked when the MTU for a given connection changes */
171 typedef void (*mtu_changed_callback)(int conn_id, int mtu);
174 register_server_callback register_server_cb;
175 connection_callback connection_cb;
176 service_added_callback service_added_cb;
177 included_service_added_callback included_service_added_cb;
178 characteristic_added_callback characteristic_added_cb;
179 descriptor_added_callback descriptor_added_cb;
180 service_started_callback service_started_cb;
181 service_stopped_callback service_stopped_cb;
182 service_deleted_callback service_deleted_cb;
183 indication_confirmation_callback indication_confirmation_cb;
184 request_read_callback request_read_cb;
185 request_write_callback request_write_cb;
186 request_exec_write_callback request_exec_write_cb;
187 response_confirmation_callback response_confirmation_cb;
188 listen_callback listen_cb;
189 multi_adv_enable_callback multi_adv_enable_cb;
190 multi_adv_update_callback multi_adv_update_cb;
191 multi_adv_data_callback multi_adv_data_cb;
192 multi_adv_disable_callback multi_adv_disable_cb;
193 mtu_changed_callback mtu_changed_cb;
195 notification_enabled_callback notif_enabled_cb;
197 request_acquire_write_callback request_acquire_write_cb;
198 request_acquire_notify_callback request_acquire_notify_cb;
199 } btgatt_server_callbacks_t;
201 /** Represents the standard BT-GATT server interface. */
203 /** Registers a GATT server application with the stack */
204 bt_status_t (*register_server)(bt_uuid_t *uuid);
206 /** Unregister a server application from the stack */
207 bt_status_t (*unregister_server)(int server_if);
209 /** Create a connection to a remote peripheral */
210 bt_status_t (*connect)(int server_if, const bt_bdaddr_t *bd_addr, bool is_direct);
212 /** Disconnect an established connection or cancel a pending one */
213 bt_status_t (*disconnect)(int server_if, const bt_bdaddr_t *bd_addr,
216 /** Create a new service */
217 bt_status_t (*add_service)(int server_if, btgatt_srvc_id_t *srvc_id, int num_handles);
219 /** Assign an included service to it's parent service */
220 bt_status_t (*add_included_service)(int server_if, int service_handle, int included_handle);
222 /** Add a characteristic to a service */
223 bt_status_t (*add_characteristic)(int server_if,
224 int service_handle, bt_uuid_t *uuid,
225 int properties, int permissions);
227 /** Add a descriptor to a given service */
228 bt_status_t (*add_descriptor)(int server_if, int service_handle,
229 bt_uuid_t *uuid, int permissions);
231 /** Starts a local service */
232 bt_status_t (*start_service)(int server_if, int service_handle,
235 /** Stops a local service */
236 bt_status_t (*stop_service)(int server_if, int service_handle);
238 /** Delete a local service */
239 bt_status_t (*delete_service)(int server_if, int service_handle);
241 /** Send value indication to a remote device */
242 bt_status_t (*send_indication)(int server_if, int attribute_handle,
243 int conn_id, int len, int confirm,
246 /** Send a response to a read/write operation */
247 bt_status_t (*send_response)(int conn_id, int trans_id,
248 int status, btgatt_response_t *response);
250 /** Update GATT server attribute value */
251 bt_status_t (*update_att_value)(int server_if, int attribute_handle,
252 int value_length, char* att_value);
254 /** Start or stop advertisements to listen for incoming connections */
255 bt_status_t (*listen)(int server_if, bool start);
257 /** Set the advertising data or scan response data */
258 bt_status_t (*set_adv_data)(int server_if, bool set_scan_rsp, bool include_name,
259 bool include_txpower, int min_interval, int max_interval, int appearance,
260 uint16_t manufacturer_len, char* manufacturer_data,
261 uint16_t service_data_len, char* service_data,
262 uint16_t service_uuid_len, char* service_uuid);
264 /* Setup the parameters as per spec, user manual specified values and enable multi ADV */
265 bt_status_t (*multi_adv_enable)(int server_if);
267 /* Update the parameters as per spec, user manual specified values and restart multi ADV */
268 bt_status_t (*multi_adv_update)(int server_if, int min_interval, int max_interval, int adv_type,
269 int chnl_map, int tx_power, int timeout_s);
271 /* Set the filter_policy value in the HAL Layer */
272 bt_status_t (*set_filter_policy)(int filter_policy);
274 /* Setup the data for the specified instance */
275 bt_status_t (*multi_adv_set_inst_data)(btgatt_adv_param_setup_t adv_param_setup);
277 /* Disable the multi adv instance */
278 bt_status_t (*multi_adv_disable)(int server_if);
280 /* Get current att mtu size of active connection */
281 bt_status_t (*get_att_mtu)(int conn_id, int *mtu_size);
283 /** Send a response to a acquire write/notify operation */
284 bt_status_t (*send_response_acquire)(int conn_id, int trans_id,
285 int status, int fd, int mtu, void *);
286 } btgatt_server_interface_t;
290 #endif /* ANDROID_INCLUDE_BT_GATT_SERVER_H */