bta/gatt/bta_gattc_int.h

   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
  29 #include "osi/include/fixed_queue.h"
  30 #include "bta_sys.h"
  31 #include "bta_gatt_api.h"
  32
  33 #include "bt_common.h"
  34
  35 /*****************************************************************************
  36 **  Constants and data types
  37 *****************************************************************************/
  38 enum
  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     BTA_GATTC_API_CFG_MTU_EVT,
  49
  50     BTA_GATTC_API_CLOSE_EVT,
  51
  52     BTA_GATTC_API_SEARCH_EVT,
  53     BTA_GATTC_API_CONFIRM_EVT,
  54     BTA_GATTC_API_READ_MULTI_EVT,
  55     BTA_GATTC_API_REFRESH_EVT,
  56
  57     BTA_GATTC_INT_CONN_EVT,
  58     BTA_GATTC_INT_DISCOVER_EVT,
  59     BTA_GATTC_DISCOVER_CMPL_EVT,
  60     BTA_GATTC_OP_CMPL_EVT,
  61     BTA_GATTC_INT_DISCONN_EVT,
  62
  63     BTA_GATTC_INT_START_IF_EVT,
  64     BTA_GATTC_API_REG_EVT,
  65     BTA_GATTC_API_DEREG_EVT,
  66     BTA_GATTC_API_LISTEN_EVT,
  67     BTA_GATTC_API_BROADCAST_EVT,
  68     BTA_GATTC_API_DISABLE_EVT,
  69     BTA_GATTC_ENC_CMPL_EVT
  70 };
  71 typedef UINT16 tBTA_GATTC_INT_EVT;
  72
  73 #define BTA_GATTC_SERVICE_CHANGED_LEN    4
  74
  75 /* max client application GATTC can support */
  76 #ifndef     BTA_GATTC_CL_MAX
  77 #define     BTA_GATTC_CL_MAX    32
  78 #endif
  79
  80 /* max known devices GATTC can support */
  81 #ifndef     BTA_GATTC_KNOWN_SR_MAX
  82 #ifndef MAX_ACL_CONNECTIONS
  83 #define     BTA_GATTC_KNOWN_SR_MAX    10
  84 #else
  85 #define     BTA_GATTC_KNOWN_SR_MAX    MAX_ACL_CONNECTIONS
  86 #endif
  87 #endif
  88
  89 #define BTA_GATTC_CONN_MAX      GATT_MAX_PHY_CHANNEL
  90
  91 #ifndef BTA_GATTC_CLCB_MAX
  92     #define BTA_GATTC_CLCB_MAX      GATT_CL_MAX_LCB
  93 #endif
  94
  95 #define BTA_GATTC_WRITE_PREPARE          GATT_WRITE_PREPARE
  96
  97
  98 /* internal strucutre for GATTC register API  */
  99 typedef struct
 100 {
 101     BT_HDR                  hdr;
 102     tBT_UUID                app_uuid;
 103     tBTA_GATTC_CBACK        *p_cback;
 104 }tBTA_GATTC_API_REG;
 105
 106 typedef struct
 107 {
 108     BT_HDR                  hdr;
 109     tBTA_GATTC_IF           client_if;
 110 }tBTA_GATTC_INT_START_IF;
 111
 112 typedef tBTA_GATTC_INT_START_IF tBTA_GATTC_API_DEREG;
 113 typedef tBTA_GATTC_INT_START_IF tBTA_GATTC_INT_DEREG;
 114
 115 typedef struct
 116 {
 117     BT_HDR                  hdr;
 118     BD_ADDR                 remote_bda;
 119     tBTA_GATTC_IF           client_if;
 120     BOOLEAN                 is_direct;
 121     tBTA_TRANSPORT          transport;
 122 } tBTA_GATTC_API_OPEN;
 123
 124 typedef tBTA_GATTC_API_OPEN tBTA_GATTC_API_CANCEL_OPEN;
 125
 126 typedef struct
 127 {
 128     BT_HDR                  hdr;
 129     tBTA_GATT_AUTH_REQ      auth_req;
 130     UINT16                  handle;
 131     tBTA_GATTC_EVT          cmpl_evt;
 132 } tBTA_GATTC_API_READ;
 133
 134 typedef struct
 135 {
 136     BT_HDR                  hdr;
 137     tBTA_GATT_AUTH_REQ      auth_req;
 138     UINT16                  handle;
 139     tBTA_GATTC_EVT          cmpl_evt;
 140     tBTA_GATTC_WRITE_TYPE   write_type;
 141     UINT16                  offset;
 142     UINT16                  len;
 143     UINT8                   *p_value;
 144 }tBTA_GATTC_API_WRITE;
 145
 146 typedef struct
 147 {
 148     BT_HDR                  hdr;
 149     BOOLEAN                 is_execute;
 150 }tBTA_GATTC_API_EXEC;
 151
 152 typedef struct
 153 {
 154     BT_HDR                  hdr;
 155     UINT16                  handle;
 156 } tBTA_GATTC_API_CONFIRM;
 157
 158 typedef tGATT_CL_COMPLETE tBTA_GATTC_CMPL;
 159
 160 typedef struct
 161 {
 162     BT_HDR                  hdr;
 163     UINT8                   op_code;
 164     tGATT_STATUS            status;
 165     tBTA_GATTC_CMPL         *p_cmpl;
 166 }tBTA_GATTC_OP_CMPL;
 167
 168 typedef struct
 169 {
 170     BT_HDR              hdr;
 171     tBT_UUID            *p_srvc_uuid;
 172 }tBTA_GATTC_API_SEARCH;
 173
 174 typedef struct
 175 {
 176     BT_HDR                  hdr;
 177     tBTA_GATT_AUTH_REQ      auth_req;
 178     UINT8                   num_attr;
 179     UINT16                  handles[GATT_MAX_READ_MULTI_HANDLES];
 180 }tBTA_GATTC_API_READ_MULTI;
 181
 182 typedef struct
 183 {
 184     BT_HDR                  hdr;
 185     BD_ADDR_PTR             remote_bda;
 186     tBTA_GATTC_IF           client_if;
 187     BOOLEAN                 start;
 188 } tBTA_GATTC_API_LISTEN;
 189
 190
 191 typedef struct
 192 {
 193     BT_HDR              hdr;
 194     UINT16              mtu;
 195 }tBTA_GATTC_API_CFG_MTU;
 196
 197 typedef struct
 198 {
 199     BT_HDR                  hdr;
 200     BD_ADDR                 remote_bda;
 201     tBTA_GATTC_IF           client_if;
 202     UINT8                   role;
 203     tBT_TRANSPORT           transport;
 204     tGATT_DISCONN_REASON    reason;
 205 }tBTA_GATTC_INT_CONN;
 206
 207 typedef struct
 208 {
 209     BT_HDR                  hdr;
 210     BD_ADDR                 remote_bda;
 211     tBTA_GATTC_IF           client_if;
 212 }tBTA_GATTC_ENC_CMPL;
 213
 214 typedef union
 215 {
 216     BT_HDR                      hdr;
 217     tBTA_GATTC_API_REG          api_reg;
 218     tBTA_GATTC_API_DEREG        api_dereg;
 219     tBTA_GATTC_API_OPEN         api_conn;
 220     tBTA_GATTC_API_CANCEL_OPEN  api_cancel_conn;
 221     tBTA_GATTC_API_READ         api_read;
 222     tBTA_GATTC_API_SEARCH       api_search;
 223     tBTA_GATTC_API_WRITE        api_write;
 224     tBTA_GATTC_API_CONFIRM      api_confirm;
 225     tBTA_GATTC_API_EXEC         api_exec;
 226     tBTA_GATTC_API_READ_MULTI   api_read_multi;
 227     tBTA_GATTC_API_CFG_MTU      api_mtu;
 228     tBTA_GATTC_OP_CMPL          op_cmpl;
 229     tBTA_GATTC_INT_CONN         int_conn;
 230     tBTA_GATTC_ENC_CMPL         enc_cmpl;
 231
 232     tBTA_GATTC_INT_START_IF     int_start_if;
 233     tBTA_GATTC_INT_DEREG        int_dereg;
 234     /* if peripheral role is supported */
 235     tBTA_GATTC_API_LISTEN       api_listen;
 236
 237 } tBTA_GATTC_DATA;
 238
 239
 240 /* GATT server cache on the client */
 241
 242 typedef struct
 243 {
 244     tBT_UUID            uuid;
 245     UINT16              s_handle;
 246     UINT16              e_handle;
 247     // this field is set only for characteristic
 248     UINT16              char_decl_handle;
 249     BOOLEAN             is_primary;
 250     tBTA_GATT_CHAR_PROP property;
 251 }tBTA_GATTC_ATTR_REC;
 252
 253
 254 #define BTA_GATTC_MAX_CACHE_CHAR    40
 255 #define BTA_GATTC_ATTR_LIST_SIZE    (BTA_GATTC_MAX_CACHE_CHAR * sizeof(tBTA_GATTC_ATTR_REC))
 256
 257 #ifndef BTA_GATTC_CACHE_SRVR_SIZE
 258     #define BTA_GATTC_CACHE_SRVR_SIZE   600
 259 #endif
 260
 261 enum
 262 {
 263     BTA_GATTC_IDLE_ST = 0,      /* Idle  */
 264     BTA_GATTC_W4_CONN_ST,       /* Wait for connection -  (optional) */
 265     BTA_GATTC_CONN_ST,          /* connected state */
 266     BTA_GATTC_DISCOVER_ST       /* discover is in progress */
 267 };
 268 typedef UINT8 tBTA_GATTC_STATE;
 269
 270 typedef struct
 271 {
 272     BOOLEAN             in_use;
 273     BD_ADDR             server_bda;
 274     BOOLEAN             connected;
 275
 276 #define BTA_GATTC_SERV_IDLE     0
 277 #define BTA_GATTC_SERV_LOAD     1
 278 #define BTA_GATTC_SERV_SAVE     2
 279 #define BTA_GATTC_SERV_DISC     3
 280 #define BTA_GATTC_SERV_DISC_ACT 4
 281
 282     UINT8               state;
 283
 284     list_t              *p_srvc_cache;  /* list of tBTA_GATTC_SERVICE */
 285     UINT8               update_count;   /* indication received */
 286     UINT8               num_clcb;       /* number of associated CLCB */
 287
 288
 289     tBTA_GATTC_ATTR_REC *p_srvc_list;
 290     UINT8               cur_srvc_idx;
 291     UINT8               cur_char_idx;
 292     UINT8               next_avail_idx;
 293     UINT8               total_srvc;
 294     UINT8               total_char;
 295
 296     UINT8               srvc_hdl_chg;   /* service handle change indication pending */
 297     UINT16              attr_index;     /* cahce NV saving/loading attribute index */
 298
 299     UINT16              mtu;
 300 } tBTA_GATTC_SERV;
 301
 302 #ifndef BTA_GATTC_NOTIF_REG_MAX
 303 #ifndef MAX_ACL_CONNECTIONS
 304 #define BTA_GATTC_NOTIF_REG_MAX     15
 305 #else
 306 #define BTA_GATTC_NOTIF_REG_MAX     MAX_ACL_CONNECTIONS*3
 307 #endif
 308 #endif
 309
 310 typedef struct
 311 {
 312     BOOLEAN             in_use;
 313     BD_ADDR             remote_bda;
 314     UINT16              handle;
 315 }tBTA_GATTC_NOTIF_REG;
 316
 317 typedef struct
 318 {
 319     tBTA_GATTC_CBACK        *p_cback;
 320     BOOLEAN                 in_use;
 321     tBTA_GATTC_IF           client_if;      /* client interface with BTE stack for this application */
 322     UINT8                   num_clcb;       /* number of associated CLCB */
 323     BOOLEAN                 dereg_pending;
 324     tBT_UUID                app_uuid;
 325     tBTA_GATTC_NOTIF_REG    notif_reg[BTA_GATTC_NOTIF_REG_MAX];
 326 }tBTA_GATTC_RCB;
 327
 328 /* client channel is a mapping between a BTA client(cl_id) and a remote BD address */
 329 typedef struct
 330 {
 331     UINT16              bta_conn_id;    /* client channel ID, unique for clcb */
 332     BD_ADDR             bda;
 333     tBTA_TRANSPORT      transport;      /* channel transport */
 334     tBTA_GATTC_RCB      *p_rcb;         /* pointer to the registration CB */
 335     tBTA_GATTC_SERV     *p_srcb;    /* server cache CB */
 336     tBTA_GATTC_DATA     *p_q_cmd;   /* command in queue waiting for execution */
 337
 338 #define BTA_GATTC_NO_SCHEDULE       0
 339 #define BTA_GATTC_DISC_WAITING      0x01
 340 #define BTA_GATTC_REQ_WAITING       0x10
 341
 342     UINT8               auto_update; /* auto update is waiting */
 343     BOOLEAN             disc_active;
 344     BOOLEAN             in_use;
 345     tBTA_GATTC_STATE    state;
 346     tBTA_GATT_STATUS    status;
 347     UINT16              reason;
 348 } tBTA_GATTC_CLCB;
 349
 350 /* back ground connection tracking information */
 351 #if GATT_MAX_APPS <= 8
 352 typedef UINT8 tBTA_GATTC_CIF_MASK ;
 353 #elif GATT_MAX_APPS <= 16
 354 typedef UINT16 tBTA_GATTC_CIF_MASK;
 355 #elif GATT_MAX_APPS <= 32
 356 typedef UINT32 tBTA_GATTC_CIF_MASK;
 357 #endif
 358
 359 typedef struct
 360 {
 361     BOOLEAN                 in_use;
 362     BD_ADDR                 remote_bda;
 363     tBTA_GATTC_CIF_MASK     cif_mask;
 364     tBTA_GATTC_CIF_MASK     cif_adv_mask;
 365
 366 }tBTA_GATTC_BG_TCK;
 367
 368 typedef struct
 369 {
 370     BOOLEAN             in_use;
 371     BD_ADDR             remote_bda;
 372 }tBTA_GATTC_CONN;
 373
 374 enum
 375 {
 376    BTA_GATTC_STATE_DISABLED,
 377    BTA_GATTC_STATE_ENABLING,
 378    BTA_GATTC_STATE_ENABLED,
 379    BTA_GATTC_STATE_DISABLING
 380 };
 381
 382 typedef struct
 383 {
 384     UINT8             state;
 385
 386     tBTA_GATTC_CONN     conn_track[BTA_GATTC_CONN_MAX];
 387     tBTA_GATTC_BG_TCK   bg_track[BTA_GATTC_KNOWN_SR_MAX];
 388     tBTA_GATTC_RCB      cl_rcb[BTA_GATTC_CL_MAX];
 389
 390     tBTA_GATTC_CLCB     clcb[BTA_GATTC_CLCB_MAX];
 391     tBTA_GATTC_SERV     known_server[BTA_GATTC_KNOWN_SR_MAX];
 392 }tBTA_GATTC_CB;
 393
 394 /*****************************************************************************
 395 **  Global data
 396 *****************************************************************************/
 397
 398 /* GATTC control block */
 399 #if BTA_DYNAMIC_MEMORY == FALSE
 400 extern tBTA_GATTC_CB  bta_gattc_cb;
 401 #else
 402 extern tBTA_GATTC_CB *bta_gattc_cb_ptr;
 403 #define bta_gattc_cb (*bta_gattc_cb_ptr)
 404 #endif
 405
 406 /*****************************************************************************
 407 **  Function prototypes
 408 *****************************************************************************/
 409 extern BOOLEAN bta_gattc_hdl_event(BT_HDR *p_msg);
 410 extern BOOLEAN bta_gattc_sm_execute(tBTA_GATTC_CLCB *p_clcb, UINT16 event, tBTA_GATTC_DATA *p_data);
 411
 412 /* function processed outside SM */
 413 extern void bta_gattc_disable(tBTA_GATTC_CB *p_cb);
 414 extern void bta_gattc_register(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
 415 extern void bta_gattc_start_if(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
 416 extern void bta_gattc_process_api_open (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg);
 417 extern void bta_gattc_process_api_open_cancel (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg);
 418 extern void bta_gattc_deregister(tBTA_GATTC_CB *p_cb, tBTA_GATTC_RCB  *p_clreg);
 419 extern void bta_gattc_process_enc_cmpl(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 420
 421 /* function within state machine */
 422 extern void bta_gattc_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 423 extern void bta_gattc_open_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 424 extern void bta_gattc_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 425
 426 extern void bta_gattc_cancel_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 427 extern void bta_gattc_cancel_open_ok(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 428 extern void bta_gattc_cancel_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 429
 430 extern void bta_gattc_conn(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 431
 432 extern void bta_gattc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 433 extern void bta_gattc_close_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 434 extern void bta_gattc_disc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 435
 436 extern void bta_gattc_start_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 437 extern void bta_gattc_disc_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 438 extern void bta_gattc_read(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 439 extern void bta_gattc_write(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 440 extern void bta_gattc_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 441 extern void bta_gattc_q_cmd(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 442 extern void bta_gattc_search(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 443 extern void bta_gattc_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 444 extern void bta_gattc_confirm(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 445 extern void bta_gattc_execute(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 446 extern void bta_gattc_read_multi(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 447 extern void bta_gattc_ci_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 448 extern void bta_gattc_ci_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 449 extern void bta_gattc_ignore_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 450 extern void bta_gattc_restart_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA * p_msg);
 451 extern void bta_gattc_init_bk_conn(tBTA_GATTC_API_OPEN *p_data, tBTA_GATTC_RCB *p_clreg);
 452 extern void bta_gattc_cancel_bk_conn(tBTA_GATTC_API_CANCEL_OPEN *p_data);
 453 extern void bta_gattc_send_open_cback( tBTA_GATTC_RCB *p_clreg, tBTA_GATT_STATUS status,
 454                                        BD_ADDR remote_bda, UINT16 conn_id, tBTA_TRANSPORT transport,  UINT16 mtu);
 455 extern void bta_gattc_process_api_refresh(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg);
 456 extern void bta_gattc_cfg_mtu(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 457 #if BLE_INCLUDED == TRUE
 458 extern void bta_gattc_listen(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg);
 459 extern void bta_gattc_broadcast(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg);
 460 #endif
 461 /* utility functions */
 462 extern tBTA_GATTC_CLCB * bta_gattc_find_clcb_by_cif (UINT8 client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
 463 extern tBTA_GATTC_CLCB * bta_gattc_find_clcb_by_conn_id (UINT16 conn_id);
 464 extern tBTA_GATTC_CLCB * bta_gattc_clcb_alloc(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
 465 extern void bta_gattc_clcb_dealloc(tBTA_GATTC_CLCB *p_clcb);
 466 extern tBTA_GATTC_CLCB * bta_gattc_find_alloc_clcb(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
 467 extern tBTA_GATTC_RCB * bta_gattc_cl_get_regcb(UINT8 client_if);
 468 extern tBTA_GATTC_SERV * bta_gattc_find_srcb(BD_ADDR bda);
 469 extern tBTA_GATTC_SERV * bta_gattc_srcb_alloc(BD_ADDR bda);
 470 extern tBTA_GATTC_SERV * bta_gattc_find_scb_by_cid (UINT16 conn_id);
 471 extern tBTA_GATTC_CLCB * bta_gattc_find_int_conn_clcb(tBTA_GATTC_DATA *p_msg);
 472 extern tBTA_GATTC_CLCB * bta_gattc_find_int_disconn_clcb(tBTA_GATTC_DATA *p_msg);
 473
 474 extern BOOLEAN bta_gattc_enqueue(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 475
 476 extern BOOLEAN bta_gattc_uuid_compare (const tBT_UUID *p_src, const tBT_UUID *p_tar, BOOLEAN is_precise);
 477 extern BOOLEAN bta_gattc_check_notif_registry(tBTA_GATTC_RCB  *p_clreg, tBTA_GATTC_SERV *p_srcb, tBTA_GATTC_NOTIFY  *p_notify);
 478 extern BOOLEAN bta_gattc_mark_bg_conn (tBTA_GATTC_IF client_if,  BD_ADDR_PTR remote_bda, BOOLEAN add, BOOLEAN is_listen);
 479 extern BOOLEAN bta_gattc_check_bg_conn (tBTA_GATTC_IF client_if,  BD_ADDR remote_bda, UINT8 role);
 480 extern UINT8 bta_gattc_num_reg_app(void);
 481 extern void bta_gattc_clear_notif_registration(tBTA_GATTC_SERV *p_srcb, UINT16 conn_id, UINT16 start_handle, UINT16 end_handle);
 482 extern tBTA_GATTC_SERV * bta_gattc_find_srvr_cache(BD_ADDR bda);
 483
 484 /* discovery functions */
 485 extern void bta_gattc_disc_res_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_DISC_RES *p_data);
 486 extern void bta_gattc_disc_cmpl_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_STATUS status);
 487 extern tBTA_GATT_STATUS bta_gattc_discover_procedure(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type);
 488 extern tBTA_GATT_STATUS bta_gattc_discover_pri_service(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type);
 489 extern void bta_gattc_search_service(tBTA_GATTC_CLCB *p_clcb, tBT_UUID *p_uuid);
 490 extern const list_t* bta_gattc_get_services(UINT16 conn_id);
 491 extern const tBTA_GATTC_SERVICE* bta_gattc_get_service_for_handle(UINT16 conn_id, UINT16 handle);
 492 tBTA_GATTC_CHARACTERISTIC*  bta_gattc_get_characteristic_srcb(tBTA_GATTC_SERV *p_srcb, UINT16 handle);
 493 extern tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic(UINT16 conn_id, UINT16 handle);
 494 extern tBTA_GATTC_DESCRIPTOR* bta_gattc_get_descriptor(UINT16 conn_id, UINT16 handle);
 495 extern void bta_gattc_get_gatt_db(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle, btgatt_db_element_t **db, int *count);
 496 extern tBTA_GATT_STATUS bta_gattc_init_cache(tBTA_GATTC_SERV *p_srvc_cb);
 497 extern void bta_gattc_rebuild_cache(tBTA_GATTC_SERV *p_srcv, UINT16 num_attr, tBTA_GATTC_NV_ATTR *attr);
 498 extern void bta_gattc_cache_save(tBTA_GATTC_SERV *p_srvc_cb, UINT16 conn_id);
 499 extern void bta_gattc_reset_discover_st(tBTA_GATTC_SERV *p_srcb, tBTA_GATT_STATUS status);
 500
 501 extern tBTA_GATTC_CONN * bta_gattc_conn_alloc(BD_ADDR remote_bda);
 502 extern tBTA_GATTC_CONN * bta_gattc_conn_find(BD_ADDR remote_bda);
 503 extern tBTA_GATTC_CONN * bta_gattc_conn_find_alloc(BD_ADDR remote_bda);
 504 extern BOOLEAN bta_gattc_conn_dealloc(BD_ADDR remote_bda);
 505
 506 extern bool bta_gattc_cache_load(tBTA_GATTC_CLCB *p_clcb);
 507 extern void bta_gattc_cache_reset(BD_ADDR server_bda);
 508
 509 #endif /* BTA_GATTC_INT_H */