1/******************************************************************************
2 *
3 *  Copyright (C) 2003-2012 Broadcom Corporation
4 *
5 *  Licensed under the Apache License, Version 2.0 (the "License");
6 *  you may not use this file except in compliance with the License.
7 *  You may obtain a copy of the License at:
8 *
9 *  http://www.apache.org/licenses/LICENSE-2.0
10 *
11 *  Unless required by applicable law or agreed to in writing, software
12 *  distributed under the License is distributed on an "AS IS" BASIS,
13 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 *  See the License for the specific language governing permissions and
15 *  limitations under the License.
16 *
17 ******************************************************************************/
18
19/******************************************************************************
20 *
21 *  This is the private file for the file transfer client (FTC).
22 *
23 ******************************************************************************/
24#ifndef BTA_GATTC_INT_H
25#define BTA_GATTC_INT_H
26
27#include "bt_target.h"
28#include "bta_sys.h"
29#include "bta_gatt_api.h"
30#include "bta_gattc_ci.h"
31#include "bta_gattc_co.h"
32
33#include "gki.h"
34
35/*****************************************************************************
36**  Constants and data types
37*****************************************************************************/
38enum
39{
40    BTA_GATTC_API_OPEN_EVT   = BTA_SYS_EVT_START(BTA_ID_GATTC),
41    BTA_GATTC_INT_OPEN_FAIL_EVT,
42    BTA_GATTC_API_CANCEL_OPEN_EVT,
43    BTA_GATTC_INT_CANCEL_OPEN_OK_EVT,
44
45    BTA_GATTC_API_READ_EVT,
46    BTA_GATTC_API_WRITE_EVT,
47    BTA_GATTC_API_EXEC_EVT,
48
49    BTA_GATTC_API_CLOSE_EVT,
50
51    BTA_GATTC_API_SEARCH_EVT,
52    BTA_GATTC_API_CONFIRM_EVT,
53    BTA_GATTC_API_READ_MULTI_EVT,
54    BTA_GATTC_API_REFRESH_EVT,
55
56    BTA_GATTC_INT_CONN_EVT,
57    BTA_GATTC_INT_DISCOVER_EVT,
58    BTA_GATTC_DISCOVER_CMPL_EVT,
59    BTA_GATTC_OP_CMPL_EVT,
60    BTA_GATTC_INT_DISCONN_EVT,
61
62    /* for cache loading/saving */
63    BTA_GATTC_START_CACHE_EVT,
64    BTA_GATTC_CI_CACHE_OPEN_EVT,
65    BTA_GATTC_CI_CACHE_LOAD_EVT,
66    BTA_GATTC_CI_CACHE_SAVE_EVT,
67
68    BTA_GATTC_INT_START_IF_EVT,
69    BTA_GATTC_API_REG_EVT,
70    BTA_GATTC_API_DEREG_EVT,
71    BTA_GATTC_INT_DEREG_EVT
72
73};
74typedef UINT16 tBTA_GATTC_INT_EVT;
75
76/* max client application GATTC can support */
77#ifndef     BTA_GATTC_CL_MAX
78#define     BTA_GATTC_CL_MAX    32
79#endif
80
81/* max known devices GATTC can support */
82#ifndef     BTA_GATTC_KNOWN_SR_MAX
83#define     BTA_GATTC_KNOWN_SR_MAX    10
84#endif
85
86#define BTA_GATTC_CONN_MAX      GATT_MAX_PHY_CHANNEL
87
88#ifndef BTA_GATTC_CLCB_MAX
89    #define BTA_GATTC_CLCB_MAX      GATT_CL_MAX_LCB
90#endif
91
92#define BTA_GATTC_WRITE_PREPARE          GATT_WRITE_PREPARE
93
94/* internal strucutre for GATTC register API  */
95typedef struct
96{
97    BT_HDR                  hdr;
98    tBT_UUID                app_uuid;
99    tBTA_GATTC_CBACK        *p_cback;
100}tBTA_GATTC_API_REG;
101
102typedef struct
103{
104    BT_HDR                  hdr;
105    tBTA_GATTC_IF           client_if;
106}tBTA_GATTC_INT_START_IF;
107
108typedef tBTA_GATTC_INT_START_IF tBTA_GATTC_API_DEREG;
109typedef tBTA_GATTC_INT_START_IF tBTA_GATTC_INT_DEREG;
110
111typedef struct
112{
113    BT_HDR                  hdr;
114    BD_ADDR                 remote_bda;
115    tBTA_GATTC_IF           client_if;
116    BOOLEAN                 is_direct;
117} tBTA_GATTC_API_OPEN;
118
119typedef tBTA_GATTC_API_OPEN tBTA_GATTC_API_CANCEL_OPEN;
120
121typedef struct
122{
123    BT_HDR                  hdr;
124    tBTA_GATT_AUTH_REQ      auth_req;
125    tBTA_GATT_SRVC_ID       srvc_id;
126    tBTA_GATT_ID            char_id;
127    tBT_UUID                descr_type;
128} tBTA_GATTC_API_READ;
129
130typedef struct
131{
132    BT_HDR                  hdr;
133    tBTA_GATT_AUTH_REQ      auth_req;
134    tBTA_GATT_SRVC_ID       srvc_id;
135    tBTA_GATT_ID            char_id;
136    tBT_UUID                descr_type;
137    tBTA_GATTC_WRITE_TYPE   write_type;
138    UINT16                  offset;
139    UINT16                  len;
140    UINT8                   *p_value;
141}tBTA_GATTC_API_WRITE;
142
143typedef struct
144{
145    BT_HDR                  hdr;
146    BOOLEAN                 is_execute;
147}tBTA_GATTC_API_EXEC;
148
149typedef struct
150{
151    BT_HDR                  hdr;
152    tBTA_GATT_SRVC_ID       srvc_id;
153    tBTA_GATT_ID            char_id;
154} tBTA_GATTC_API_CONFIRM;
155
156typedef tGATT_CL_COMPLETE tBTA_GATTC_CMPL;
157
158typedef struct
159{
160    BT_HDR                  hdr;
161    UINT8                   op_code;
162    tGATT_STATUS            status;
163    tBTA_GATTC_CMPL         *p_cmpl;
164}tBTA_GATTC_OP_CMPL;
165
166typedef struct
167{
168    BT_HDR              hdr;
169    tBT_UUID            srvc_uuid;
170}tBTA_GATTC_API_SEARCH;
171
172typedef struct
173{
174    BT_HDR                  hdr;
175    tBTA_GATT_AUTH_REQ      auth_req;
176    UINT8                   num_attr;
177    tBTA_GATTC_ATTR_ID      *p_id_list;
178}tBTA_GATTC_API_READ_MULTI;
179
180typedef union
181{
182    BT_HDR                      hdr;
183    tBTA_GATTC_API_REG          api_reg;
184    tBTA_GATTC_API_DEREG        api_dereg;
185    tBTA_GATTC_API_OPEN         api_conn;
186    tBTA_GATTC_API_CANCEL_OPEN  api_cancel_conn;
187    tBTA_GATTC_API_READ         api_read;
188    tBTA_GATTC_API_SEARCH       api_search;
189    tBTA_GATTC_API_WRITE        api_write;
190    tBTA_GATTC_API_CONFIRM      api_confirm;
191    tBTA_GATTC_API_EXEC         api_exec;
192    tBTA_GATTC_API_READ_MULTI   api_read_multi;
193    tBTA_GATTC_OP_CMPL          op_cmpl;
194    tBTA_GATTC_CI_EVT           ci_open;
195    tBTA_GATTC_CI_EVT           ci_save;
196    tBTA_GATTC_CI_LOAD          ci_load;
197
198    tBTA_GATTC_INT_START_IF     int_start_if;
199    tBTA_GATTC_INT_DEREG        int_dereg;
200
201} tBTA_GATTC_DATA;
202
203
204/* GATT server cache on the client */
205typedef union
206{
207    UINT8               uuid128[LEN_UUID_128];
208    UINT16              uuid16;
209}tBTA_GATTC_UUID;
210
211typedef struct gattc_attr_cache
212{
213    tBTA_GATTC_UUID         *p_uuid;
214    struct                  gattc_attr_cache *p_next;
215    UINT16                  uuid_len;
216    UINT16                  attr_handle;
217    UINT8                   inst_id;
218    tBTA_GATT_CHAR_PROP     property; /* if characteristic, it is char property;
219                                         if included service, flag primary,
220                                         if descriptor, not used */
221    tBTA_GATTC_ATTR_TYPE    attr_type;
222// btla-specific ++
223} __attribute__((packed)) tBTA_GATTC_CACHE_ATTR;
224// btla-specific --
225
226typedef struct gattc_svc_cache
227{
228    tBTA_GATT_SRVC_ID       service_uuid;
229    tBTA_GATTC_CACHE_ATTR   *p_attr;
230    tBTA_GATTC_CACHE_ATTR   *p_last_attr;
231    UINT16                  s_handle;
232    UINT16                  e_handle;
233    struct                  gattc_svc_cache *p_next;
234// btla-specific ++
235} __attribute__((packed)) tBTA_GATTC_CACHE;
236// btla-specific --
237
238typedef struct
239{
240    tBT_UUID            uuid;
241    UINT16              s_handle;
242    UINT16              e_handle;
243    BOOLEAN             is_primary;
244    UINT8               srvc_inst_id;
245    tBTA_GATT_CHAR_PROP property;
246}tBTA_GATTC_ATTR_REC;
247
248
249#define BTA_GATTC_MAX_CACHE_CHAR    40
250#define BTA_GATTC_ATTR_LIST_SIZE    (BTA_GATTC_MAX_CACHE_CHAR * sizeof(tBTA_GATTC_ATTR_REC))
251
252#ifndef BTA_GATTC_CACHE_SRVR_SIZE
253    #define BTA_GATTC_CACHE_SRVR_SIZE   600
254#endif
255
256enum
257{
258    BTA_GATTC_IDLE_ST = 0,      /* Idle  */
259    BTA_GATTC_W4_CONN_ST,       /* Wait for connection -  (optional) */
260    BTA_GATTC_CONN_ST,          /* connected state */
261    BTA_GATTC_DISCOVER_ST       /* discover is in progress */
262};
263typedef UINT8 tBTA_GATTC_STATE;
264
265typedef struct
266{
267    BOOLEAN             in_use;
268    BD_ADDR             server_bda;
269    BOOLEAN             connected;
270
271#define BTA_GATTC_SERV_IDLE     0
272#define BTA_GATTC_SERV_LOAD     1
273#define BTA_GATTC_SERV_SAVE     2
274#define BTA_GATTC_SERV_DISC     3
275#define BTA_GATTC_SERV_DISC_ACT 4
276
277    UINT8               state;
278
279    tBTA_GATTC_CACHE    *p_srvc_cache;
280    tBTA_GATTC_CACHE    *p_cur_srvc;
281    BUFFER_Q            cache_buffer;   /* buffer queue used for storing the cache data */
282    UINT8               *p_free;        /* starting point to next available byte */
283    UINT16              free_byte;      /* number of available bytes in server cache buffer */
284    UINT8               update_count;   /* indication received */
285    UINT8               num_clcb;       /* number of associated CLCB */
286
287
288    tBTA_GATTC_ATTR_REC *p_srvc_list;
289    UINT8               cur_srvc_idx;
290    UINT8               cur_char_idx;
291    UINT8               next_avail_idx;
292    UINT8               total_srvc;
293    UINT8               total_char;
294
295    UINT8               srvc_hdl_chg;   /* service handle change indication pending */
296    UINT16              attr_index;     /* cahce NV saving/loading attribute index */
297
298} tBTA_GATTC_SERV;
299
300#ifndef BTA_GATTC_NOTIF_REG_MAX
301#define BTA_GATTC_NOTIF_REG_MAX     4
302#endif
303
304typedef struct
305{
306    BOOLEAN             in_use;
307    BD_ADDR             remote_bda;
308    tBTA_GATTC_CHAR_ID  char_id;
309}tBTA_GATTC_NOTIF_REG;
310
311typedef struct
312{
313    tBTA_GATTC_CBACK        *p_cback;
314    BOOLEAN                 in_use;
315    tBTA_GATTC_IF           client_if;      /* client interface with BTE stack for this application */
316    UINT8                   num_clcb;       /* number of associated CLCB */
317    BOOLEAN                 dereg_pending;
318    tBT_UUID                app_uuid;
319    tBTA_GATTC_NOTIF_REG    notif_reg[BTA_GATTC_NOTIF_REG_MAX];
320}tBTA_GATTC_RCB;
321
322/* client channel is a mapping between a BTA client(cl_id) and a remote BD address */
323typedef struct
324{
325    UINT16              bta_conn_id;    /* client channel ID, unique for clcb */
326    BD_ADDR             bda;
327    tBTA_GATTC_RCB      *p_rcb;         /* pointer to the registration CB */
328    tBTA_GATTC_SERV     *p_srcb;    /* server cache CB */
329    tBTA_GATTC_DATA     *p_q_cmd;   /* command in queue waiting for execution */
330
331#define BTA_GATTC_NO_SCHEDULE       0
332#define BTA_GATTC_DISC_WAITING      0x01
333#define BTA_GATTC_REQ_WAITING       0x10
334
335    UINT8               auto_update; /* auto update is waiting */
336    BOOLEAN             in_use;
337    tBTA_GATTC_STATE    state;
338    tBTA_GATT_STATUS    status;
339    UINT16              reason;
340} tBTA_GATTC_CLCB;
341
342/* back ground connection tracking information */
343#if GATT_MAX_APPS <= 8
344typedef UINT8 tBTA_GATTC_CIF_MASK ;
345#elif GATT_MAX_APPS <= 16
346typedef UINT16 tBTA_GATTC_CIF_MASK;
347#elif GATT_MAX_APPS <= 32
348typedef UINT32 tBTA_GATTC_CIF_MASK;
349#endif
350
351typedef struct
352{
353    BOOLEAN                 in_use;
354    BD_ADDR                 remote_bda;
355    tBTA_GATTC_CIF_MASK     cif_mask;
356    tBTA_GATTC_CIF_MASK     cif_adv_mask;
357
358}tBTA_GATTC_BG_TCK;
359
360typedef struct
361{
362    BOOLEAN             in_use;
363    BD_ADDR             remote_bda;
364}tBTA_GATTC_CONN;
365
366typedef struct
367{
368    tBTA_GATTC_CONN     conn_track[BTA_GATTC_CONN_MAX];
369    tBTA_GATTC_BG_TCK   bg_track[BTA_GATTC_KNOWN_SR_MAX];
370    tBTA_GATTC_RCB      cl_rcb[BTA_GATTC_CL_MAX];
371
372    tBTA_GATTC_CLCB     clcb[BTA_GATTC_CLCB_MAX];
373    tBTA_GATTC_SERV     known_server[BTA_GATTC_KNOWN_SR_MAX];
374
375    tSDP_DISCOVERY_DB   *p_sdp_db;
376    UINT16              sdp_conn_id;
377}tBTA_GATTC_CB;
378
379/*****************************************************************************
380**  Global data
381*****************************************************************************/
382
383/* GATTC control block */
384#if BTA_DYNAMIC_MEMORY == FALSE
385extern tBTA_GATTC_CB  bta_gattc_cb;
386#else
387extern tBTA_GATTC_CB *bta_gattc_cb_ptr;
388#define bta_gattc_cb (*bta_gattc_cb_ptr)
389#endif
390
391/*****************************************************************************
392**  Function prototypes
393*****************************************************************************/
394extern BOOLEAN bta_gattc_hdl_event(BT_HDR *p_msg);
395extern void bta_gattc_sm_execute(tBTA_GATTC_CLCB *p_clcb, UINT16 event, tBTA_GATTC_DATA *p_data);
396
397/* function processed outside SM */
398extern void bta_gattc_register(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
399extern void bta_gattc_start_if(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
400extern void bta_gattc_process_api_open (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg);
401extern void bta_gattc_process_api_open_cancel (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg);
402extern void bta_gattc_deregister(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
403extern void bta_gattc_int_deregister(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
404
405/* function within state machine */
406extern void bta_gattc_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
407extern void bta_gattc_open_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
408extern void bta_gattc_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
409
410extern void bta_gattc_cancel_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
411extern void bta_gattc_cancel_open_ok(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
412extern void bta_gattc_cancel_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
413
414extern void bta_gattc_conn(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
415
416extern void bta_gattc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
417extern void bta_gattc_close_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
418extern void bta_gattc_disc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
419
420extern void bta_gattc_start_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
421extern void bta_gattc_disc_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
422extern void bta_gattc_read(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
423extern void bta_gattc_write(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
424extern void bta_gattc_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
425extern void bta_gattc_q_cmd(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
426extern void bta_gattc_search(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
427extern void bta_gattc_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
428extern void bta_gattc_confirm(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
429extern void bta_gattc_execute(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
430extern void bta_gattc_read_multi(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
431extern void bta_gattc_ci_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
432extern void bta_gattc_ci_load(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
433extern void bta_gattc_ci_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
434extern void bta_gattc_ci_save(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
435extern void bta_gattc_cache_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
436extern void bta_gattc_ignore_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
437extern void bta_gattc_restart_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA * p_msg);
438extern void bta_gattc_init_bk_conn(tBTA_GATTC_API_OPEN *p_data, tBTA_GATTC_RCB *p_clreg);
439extern void bta_gattc_cancel_bk_conn(tBTA_GATTC_API_CANCEL_OPEN *p_data);
440extern void bta_gattc_send_open_cback( tBTA_GATTC_RCB *p_clreg, tBTA_GATT_STATUS status,
441                                       BD_ADDR remote_bda, UINT16 conn_id);
442extern void bta_gattc_process_api_refresh(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg);
443
444/* utility functions */
445extern tBTA_GATTC_CLCB * bta_gattc_find_clcb_by_cif (UINT8 client_if, BD_ADDR remote_bda);
446extern tBTA_GATTC_CLCB * bta_gattc_find_clcb_by_conn_id (UINT16 conn_id);
447extern tBTA_GATTC_CLCB * bta_gattc_clcb_alloc(tBTA_GATTC_IF client_if, BD_ADDR remote_bda);
448extern void bta_gattc_clcb_dealloc(tBTA_GATTC_CLCB *p_clcb);
449extern tBTA_GATTC_CLCB * bta_gattc_find_alloc_clcb(tBTA_GATTC_IF client_if, BD_ADDR remote_bda);
450extern tBTA_GATTC_RCB * bta_gattc_cl_get_regcb(UINT8 client_if);
451extern tBTA_GATTC_SERV * bta_gattc_find_srcb(BD_ADDR bda);
452extern tBTA_GATTC_SERV * bta_gattc_srcb_alloc(BD_ADDR bda);
453extern tBTA_GATTC_SERV * bta_gattc_find_scb_by_cid (UINT16 conn_id);
454extern BOOLEAN bta_gattc_enqueue(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
455
456extern UINT16 bta_gattc_id2handle(tBTA_GATTC_SERV *p_srcb, tBTA_GATT_SRVC_ID *p_service_id, tBTA_GATT_ID *p_char_id, tBT_UUID descr_uuid);
457extern BOOLEAN bta_gattc_handle2id(tBTA_GATTC_SERV *p_srcb, UINT16 handle, tBTA_GATT_SRVC_ID *service_id, tBTA_GATT_ID *char_id, tBT_UUID *p_type);
458extern BOOLEAN bta_gattc_uuid_compare (tBT_UUID src, tBT_UUID tar, BOOLEAN is_precise);
459extern void bta_gattc_pack_attr_uuid(tBTA_GATTC_CACHE_ATTR   *p_attr, tBT_UUID *p_uuid);
460extern BOOLEAN bta_gattc_check_notif_registry(tBTA_GATTC_RCB  *p_clreg, tBTA_GATTC_SERV *p_srcb, tBTA_GATTC_NOTIFY  *p_notify);
461extern tBTA_GATT_STATUS bta_gattc_pack_read_cb_data(tBTA_GATTC_SERV *p_srcb, tBT_UUID descr_uuid, tGATT_VALUE *p_attr, tBTA_GATT_READ_VAL *p_value);
462extern BOOLEAN bta_gattc_mark_bg_conn (tBTA_GATTC_IF client_if,  BD_ADDR_PTR remote_bda, BOOLEAN add, BOOLEAN is_listen);
463extern BOOLEAN bta_gattc_check_bg_conn (tBTA_GATTC_IF client_if,  BD_ADDR remote_bda, UINT8 role);
464extern UINT8 bta_gattc_num_reg_app(void);
465extern void bta_gattc_clear_notif_registration(UINT16 conn_id);
466extern tBTA_GATTC_SERV * bta_gattc_find_srvr_cache(BD_ADDR bda);
467extern BOOLEAN bta_gattc_charid_compare(tBTA_GATTC_CHAR_ID *p_src, tBTA_GATTC_CHAR_ID *p_tar);
468extern BOOLEAN bta_gattc_srvcid_compare(tBTA_GATT_SRVC_ID *p_src, tBTA_GATT_SRVC_ID *p_tar);
469extern void bta_gattc_cpygattid(tBTA_GATT_ID *p_des, tBTA_GATT_ID *p_src);
470
471/* discovery functions */
472extern void bta_gattc_disc_res_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_DISC_RES *p_data);
473extern void bta_gattc_disc_cmpl_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_STATUS status);
474extern tBTA_GATT_STATUS bta_gattc_discover_procedure(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type);
475extern tBTA_GATT_STATUS bta_gattc_discover_pri_service(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type);
476extern void bta_gattc_search_service(tBTA_GATTC_CLCB *p_clcb, tBT_UUID uuid);
477extern tBTA_GATT_STATUS bta_gattc_query_cache(UINT16 conn_id, UINT8 query_type, tBTA_GATT_SRVC_ID *p_srvc_id,
478                                              tBTA_GATT_ID *p_start_rec,tBT_UUID *p_uuid_cond,
479                                              tBTA_GATT_ID *p_output, void *p_property);
480extern tBTA_GATT_STATUS bta_gattc_init_cache(tBTA_GATTC_SERV *p_srvc_cb);
481extern void bta_gattc_rebuild_cache(tBTA_GATTC_SERV *p_srcv, UINT16 num_attr, tBTA_GATTC_NV_ATTR *p_attr, UINT16 attr_index);
482extern BOOLEAN bta_gattc_cache_save(tBTA_GATTC_SERV *p_srvc_cb, UINT16 conn_id);
483
484
485extern tBTA_GATTC_CONN * bta_gattc_conn_alloc(BD_ADDR remote_bda);
486extern tBTA_GATTC_CONN * bta_gattc_conn_find(BD_ADDR remote_bda);
487extern tBTA_GATTC_CONN * bta_gattc_conn_find_alloc(BD_ADDR remote_bda);
488extern BOOLEAN bta_gattc_conn_dealloc(BD_ADDR remote_bda);
489
490#endif /* BTA_GATTC_INT_H */
491