granicus.if.org Git - esp-idf/blob - components/bt/bluedroid/bta/include/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 #include "bta_sys.h"
  29 #include "bta_gatt_api.h"
  30 #include "bta_gattc_ci.h"
  31 #include "bta_gattc_co.h"
  32 #include "fixed_queue.h"
  33
  34 /*****************************************************************************
  35 **  Constants and data types
  36 *****************************************************************************/
  37 enum {
  38     BTA_GATTC_API_OPEN_EVT   = BTA_SYS_EVT_START(BTA_ID_GATTC),
  39     BTA_GATTC_INT_OPEN_FAIL_EVT,
  40     BTA_GATTC_API_CANCEL_OPEN_EVT,
  41     BTA_GATTC_INT_CANCEL_OPEN_OK_EVT,
  42
  43     BTA_GATTC_API_READ_EVT,
  44     BTA_GATTC_API_WRITE_EVT,
  45     BTA_GATTC_API_EXEC_EVT,
  46     BTA_GATTC_API_CFG_MTU_EVT,
  47
  48     BTA_GATTC_API_CLOSE_EVT,
  49
  50     BTA_GATTC_API_SEARCH_EVT,
  51     BTA_GATTC_API_CONFIRM_EVT,
  52     BTA_GATTC_API_READ_MULTI_EVT,
  53     BTA_GATTC_API_REFRESH_EVT,
  54
  55     BTA_GATTC_INT_CONN_EVT,
  56     BTA_GATTC_INT_DISCOVER_EVT,
  57     BTA_GATTC_DISCOVER_CMPL_EVT,
  58     BTA_GATTC_OP_CMPL_EVT,
  59     BTA_GATTC_INT_DISCONN_EVT,
  60
  61     BTA_GATTC_INT_START_IF_EVT,
  62     BTA_GATTC_API_REG_EVT,
  63     BTA_GATTC_API_DEREG_EVT,
  64     BTA_GATTC_API_LISTEN_EVT,
  65     BTA_GATTC_API_BROADCAST_EVT,
  66     BTA_GATTC_API_DISABLE_EVT,
  67     BTA_GATTC_ENC_CMPL_EVT
  68 };
  69 typedef UINT16 tBTA_GATTC_INT_EVT;
  70
  71 #define BTA_GATTC_SERVICE_CHANGED_LEN    4
  72
  73 /* max client application GATTC can support */
  74 #ifndef     BTA_GATTC_CL_MAX
  75 #if (GATT_MAX_PHY_CHANNEL > 3)
  76     #define     BTA_GATTC_CL_MAX    GATT_MAX_PHY_CHANNEL
  77 #else
  78     #define     BTA_GATTC_CL_MAX    3 // The origin value is 10
  79 #endif
  80 #endif
  81
  82 /* max known devices GATTC can support */
  83 #ifndef     BTA_GATTC_KNOWN_SR_MAX
  84 #if (GATT_MAX_PHY_CHANNEL > 3)
  85     #define     BTA_GATTC_KNOWN_SR_MAX    GATT_MAX_PHY_CHANNEL
  86 #else
  87     #define     BTA_GATTC_KNOWN_SR_MAX    3 // The origin value is 10
  88 #endif
  89 #endif
  90
  91 #define BTA_GATTC_CONN_MAX      GATT_MAX_PHY_CHANNEL
  92
  93 #ifndef BTA_GATTC_CLCB_MAX
  94 #define BTA_GATTC_CLCB_MAX      GATT_CL_MAX_LCB
  95 #endif
  96
  97 #define BTA_GATTC_WRITE_PREPARE          GATT_WRITE_PREPARE
  98 #define BTA_GATTC_INVALID_HANDLE         0
  99
 100 /* internal strucutre for GATTC register API  */
 101 typedef struct {
 102     BT_HDR                  hdr;
 103     tBT_UUID                app_uuid;
 104     tBTA_GATTC_CBACK        *p_cback;
 105 } tBTA_GATTC_API_REG;
 106
 107 typedef struct {
 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     BT_HDR                  hdr;
 117     BD_ADDR                 remote_bda;
 118     tBTA_GATTC_IF           client_if;
 119     BOOLEAN                 is_direct;
 120     tBTA_TRANSPORT          transport;
 121 } tBTA_GATTC_API_OPEN;
 122
 123 typedef tBTA_GATTC_API_OPEN tBTA_GATTC_API_CANCEL_OPEN;
 124
 125 typedef struct {
 126     BT_HDR                  hdr;
 127     tBTA_GATT_AUTH_REQ      auth_req;
 128     UINT16                  handle;
 129     tBTA_GATTC_EVT          cmpl_evt;
 130 } tBTA_GATTC_API_READ;
 131
 132 typedef struct {
 133     BT_HDR                  hdr;
 134     tBTA_GATT_AUTH_REQ      auth_req;
 135     UINT16                  handle;
 136     tBTA_GATTC_EVT          cmpl_evt;
 137     tBTA_GATTC_WRITE_TYPE   write_type;
 138     UINT16                  offset;
 139     UINT16                  len;
 140     UINT8                   *p_value;
 141 } tBTA_GATTC_API_WRITE;
 142
 143 typedef struct {
 144     BT_HDR                  hdr;
 145     BOOLEAN                 is_execute;
 146 } tBTA_GATTC_API_EXEC;
 147
 148 typedef struct {
 149     BT_HDR                  hdr;
 150     UINT16                  handle;
 151 } tBTA_GATTC_API_CONFIRM;
 152
 153 typedef tGATT_CL_COMPLETE tBTA_GATTC_CMPL;
 154
 155 typedef struct {
 156     BT_HDR                  hdr;
 157     UINT8                   op_code;
 158     tGATT_STATUS            status;
 159     tBTA_GATTC_CMPL         *p_cmpl;
 160 } tBTA_GATTC_OP_CMPL;
 161
 162 typedef struct {
 163     BT_HDR              hdr;
 164     tBT_UUID            *p_srvc_uuid;
 165 } tBTA_GATTC_API_SEARCH;
 166
 167 typedef struct {
 168     BT_HDR                  hdr;
 169     tBTA_GATT_AUTH_REQ      auth_req;
 170     UINT8                   num_attr;
 171     UINT16                  handles[GATT_MAX_READ_MULTI_HANDLES];
 172     tBTA_GATTC_EVT          cmpl_evt;
 173 }tBTA_GATTC_API_READ_MULTI;
 174
 175 typedef struct {
 176     BT_HDR                  hdr;
 177     BD_ADDR_PTR             remote_bda;
 178     tBTA_GATTC_IF           client_if;
 179     BOOLEAN                 start;
 180 } tBTA_GATTC_API_LISTEN;
 181
 182
 183 typedef struct {
 184     BT_HDR              hdr;
 185 } tBTA_GATTC_API_CFG_MTU;
 186
 187 typedef struct {
 188     BT_HDR                  hdr;
 189     BD_ADDR                 remote_bda;
 190     tBTA_GATTC_IF           client_if;
 191     UINT8                   role;
 192     tBT_TRANSPORT           transport;
 193     tGATT_DISCONN_REASON    reason;
 194 } tBTA_GATTC_INT_CONN;
 195
 196 typedef struct {
 197     BT_HDR                  hdr;
 198     BD_ADDR                 remote_bda;
 199     tBTA_GATTC_IF           client_if;
 200 } tBTA_GATTC_ENC_CMPL;
 201
 202 typedef union {
 203     BT_HDR                      hdr;
 204     tBTA_GATTC_API_REG          api_reg;
 205     tBTA_GATTC_API_DEREG        api_dereg;
 206     tBTA_GATTC_API_OPEN         api_conn;
 207     tBTA_GATTC_API_CANCEL_OPEN  api_cancel_conn;
 208     tBTA_GATTC_API_READ         api_read;
 209     tBTA_GATTC_API_SEARCH       api_search;
 210     tBTA_GATTC_API_WRITE        api_write;
 211     tBTA_GATTC_API_CONFIRM      api_confirm;
 212     tBTA_GATTC_API_EXEC         api_exec;
 213     tBTA_GATTC_API_READ_MULTI   api_read_multi;
 214     tBTA_GATTC_API_CFG_MTU      api_mtu;
 215     tBTA_GATTC_OP_CMPL          op_cmpl;
 216     tBTA_GATTC_INT_CONN         int_conn;
 217     tBTA_GATTC_ENC_CMPL         enc_cmpl;
 218
 219     tBTA_GATTC_INT_START_IF     int_start_if;
 220     tBTA_GATTC_INT_DEREG        int_dereg;
 221     /* if peripheral role is supported */
 222     tBTA_GATTC_API_LISTEN       api_listen;
 223
 224 } tBTA_GATTC_DATA;
 225
 226
 227 /* GATT server cache on the client */
 228 typedef struct {
 229     tBT_UUID            uuid;
 230     UINT16              s_handle;
 231     UINT16              e_handle;
 232     // this field is set only for characteristic
 233     UINT16              char_decl_handle;
 234     BOOLEAN             is_primary;
 235     tBTA_GATT_CHAR_PROP property;
 236 } tBTA_GATTC_ATTR_REC;
 237
 238
 239 #define BTA_GATTC_MAX_CACHE_CHAR    40
 240 #define BTA_GATTC_ATTR_LIST_SIZE    (BTA_GATTC_MAX_CACHE_CHAR * sizeof(tBTA_GATTC_ATTR_REC))
 241
 242 #ifndef BTA_GATTC_CACHE_SRVR_SIZE
 243 #define BTA_GATTC_CACHE_SRVR_SIZE   600
 244 #endif
 245
 246 enum {
 247     BTA_GATTC_IDLE_ST = 0,      /* Idle  */
 248     BTA_GATTC_W4_CONN_ST,       /* Wait for connection -  (optional) */
 249     BTA_GATTC_CONN_ST,          /* connected state */
 250     BTA_GATTC_DISCOVER_ST       /* discover is in progress */
 251 };
 252 typedef UINT8 tBTA_GATTC_STATE;
 253
 254 typedef struct {
 255     BOOLEAN             in_use;
 256     BD_ADDR             server_bda;
 257     BOOLEAN             connected;
 258
 259 #define BTA_GATTC_SERV_IDLE     0
 260 #define BTA_GATTC_SERV_LOAD     1
 261 #define BTA_GATTC_SERV_SAVE     2
 262 #define BTA_GATTC_SERV_DISC     3
 263 #define BTA_GATTC_SERV_DISC_ACT 4
 264
 265     UINT8               state;
 266
 267     list_t              *p_srvc_cache;  /* list of tBTA_GATTC_SERVICE */
 268     UINT8               update_count;   /* indication received */
 269     UINT8               num_clcb;       /* number of associated CLCB */
 270
 271
 272     tBTA_GATTC_ATTR_REC *p_srvc_list;
 273     UINT8               cur_srvc_idx;
 274     UINT8               cur_char_idx;
 275     UINT8               next_avail_idx;
 276     UINT8               total_srvc;
 277     UINT8               total_char;
 278     UINT16              total_attr;
 279     UINT8               srvc_hdl_chg;   /* service handle change indication pending */
 280     UINT16              attr_index;     /* cahce NV saving/loading attribute index */
 281
 282     UINT16              mtu;
 283 } tBTA_GATTC_SERV;
 284
 285 #ifndef BTA_GATTC_NOTIF_REG_MAX
 286 #define BTA_GATTC_NOTIF_REG_MAX     7//15
 287 #endif
 288
 289 typedef struct {
 290     BOOLEAN             in_use;
 291     BD_ADDR             remote_bda;
 292     UINT16              handle;
 293 }tBTA_GATTC_NOTIF_REG;
 294
 295 typedef struct {
 296     tBTA_GATTC_CBACK        *p_cback;
 297     BOOLEAN                 in_use;
 298     tBTA_GATTC_IF           client_if;      /* client interface with BTE stack for this application */
 299     UINT8                   num_clcb;       /* number of associated CLCB */
 300     BOOLEAN                 dereg_pending;
 301     tBT_UUID                app_uuid;
 302     tBTA_GATTC_NOTIF_REG    notif_reg[BTA_GATTC_NOTIF_REG_MAX];
 303 } tBTA_GATTC_RCB;
 304
 305 /* client channel is a mapping between a BTA client(cl_id) and a remote BD address */
 306 typedef struct {
 307     UINT16              bta_conn_id;    /* client channel ID, unique for clcb */
 308     BD_ADDR             bda;
 309     tBTA_TRANSPORT      transport;      /* channel transport */
 310     tBTA_GATTC_RCB      *p_rcb;         /* pointer to the registration CB */
 311     tBTA_GATTC_SERV     *p_srcb;    /* server cache CB */
 312     tBTA_GATTC_DATA     *p_q_cmd;   /* command in queue waiting for execution */
 313     list_t              *p_cmd_list; /* The list to store the command to be sent */
 314     BOOLEAN             is_full;     /* The gattc command queue is full or not */
 315 #define BTA_GATTC_NO_SCHEDULE       0
 316 #define BTA_GATTC_DISC_WAITING      0x01
 317 #define BTA_GATTC_REQ_WAITING       0x10
 318
 319     UINT8               auto_update; /* auto update is waiting */
 320     BOOLEAN             disc_active;
 321     BOOLEAN             in_use;
 322     tBTA_GATTC_STATE    state;
 323     tBTA_GATT_STATUS    status;
 324     UINT16              reason;
 325 } tBTA_GATTC_CLCB;
 326
 327 /* back ground connection tracking information */
 328 #if GATT_MAX_APPS <= 8
 329 typedef UINT8 tBTA_GATTC_CIF_MASK ;
 330 #elif GATT_MAX_APPS <= 16
 331 typedef UINT16 tBTA_GATTC_CIF_MASK;
 332 #elif GATT_MAX_APPS <= 32
 333 typedef UINT32 tBTA_GATTC_CIF_MASK;
 334 #endif
 335
 336 typedef struct {
 337     BOOLEAN                 in_use;
 338     BD_ADDR                 remote_bda;
 339     tBTA_GATTC_CIF_MASK     cif_mask;
 340     tBTA_GATTC_CIF_MASK     cif_adv_mask;
 341
 342 } tBTA_GATTC_BG_TCK;
 343
 344 typedef struct {
 345     BOOLEAN             in_use;
 346     BD_ADDR             remote_bda;
 347     TIMER_LIST_ENT      service_change_ccc_timer;           /* wait for discovering remote device's service change ccc handle */
 348     BOOLEAN             ccc_timer_used;                     /* service_change_ccc_timer started */
 349     BOOLEAN             service_change_ccc_written;         /* has written remote device's service change ccc */
 350 } tBTA_GATTC_CONN;
 351
 352 enum {
 353     BTA_GATTC_STATE_DISABLED,
 354     BTA_GATTC_STATE_ENABLING,
 355     BTA_GATTC_STATE_ENABLED,
 356     BTA_GATTC_STATE_DISABLING
 357 };
 358
 359 typedef struct {
 360     UINT8             state;
 361
 362     tBTA_GATTC_CONN     conn_track[BTA_GATTC_CONN_MAX];
 363     tBTA_GATTC_BG_TCK   bg_track[BTA_GATTC_KNOWN_SR_MAX];
 364     tBTA_GATTC_RCB      cl_rcb[BTA_GATTC_CL_MAX];
 365
 366     tBTA_GATTC_CLCB     clcb[BTA_GATTC_CLCB_MAX];
 367     tBTA_GATTC_SERV     known_server[BTA_GATTC_KNOWN_SR_MAX];
 368 }tBTA_GATTC_CB;
 369
 370 typedef enum {
 371     SERVICE_CHANGE_CCC_WRITTEN_SUCCESS = 0,
 372     SERVICE_CHANGE_CACHE_NOT_FOUND,
 373     SERVICE_CHANGE_SERVICE_NOT_FOUND,
 374     SERVICE_CHANGE_CHAR_NOT_FOUND,
 375     SERVICE_CHANGE_CCC_NOT_FOUND,
 376     SERVICE_CHANGE_WRITE_CCC_FAILED
 377 }tBTA_GATTC_FIND_SERVICE_CB;
 378
 379
 380 /*****************************************************************************
 381 **  Global data
 382 *****************************************************************************/
 383
 384 /* GATTC control block */
 385 #if BTA_DYNAMIC_MEMORY == FALSE
 386 extern tBTA_GATTC_CB  bta_gattc_cb;
 387 #else
 388 extern tBTA_GATTC_CB *bta_gattc_cb_ptr;
 389 #define bta_gattc_cb (*bta_gattc_cb_ptr)
 390 #endif
 391
 392 /*****************************************************************************
 393 **  Function prototypes
 394 *****************************************************************************/
 395 extern BOOLEAN bta_gattc_hdl_event(BT_HDR *p_msg);
 396 extern BOOLEAN bta_gattc_sm_execute(tBTA_GATTC_CLCB *p_clcb, UINT16 event, tBTA_GATTC_DATA *p_data);
 397
 398 /* function processed outside SM */
 399 extern void bta_gattc_disable(tBTA_GATTC_CB *p_cb);
 400 extern void bta_gattc_register(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
 401 extern void bta_gattc_start_if(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
 402 extern void bta_gattc_process_api_open (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 403 extern void bta_gattc_process_api_open_cancel (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 404 extern void bta_gattc_deregister(tBTA_GATTC_CB *p_cb, tBTA_GATTC_RCB  *p_clreg);
 405 extern void bta_gattc_process_enc_cmpl(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 406
 407 /* function within state machine */
 408 extern void bta_gattc_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 409 extern void bta_gattc_open_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 410 extern void bta_gattc_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 411
 412 extern void bta_gattc_cancel_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 413 extern void bta_gattc_cancel_open_ok(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 414 extern void bta_gattc_cancel_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 415
 416 extern void bta_gattc_conn(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 417 extern void bta_gattc_conncback(tBTA_GATTC_RCB *p_rcb, tBTA_GATTC_DATA *p_data);
 418 extern void bta_gattc_disconncback(tBTA_GATTC_RCB *p_rcb, tBTA_GATTC_DATA *p_data);
 419 extern void bta_gattc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 420 extern void bta_gattc_close_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 421 extern void bta_gattc_disc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 422
 423 extern void bta_gattc_start_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 424 extern void bta_gattc_disc_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 425 extern void bta_gattc_read(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 426 extern void bta_gattc_write(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 427 extern void bta_gattc_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 428 extern void bta_gattc_q_cmd(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 429 extern void bta_gattc_free_command_data(tBTA_GATTC_CLCB *p_clcb);
 430 extern void bta_gattc_search(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 431 extern void bta_gattc_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 432 extern void bta_gattc_confirm(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 433 extern void bta_gattc_execute(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 434 extern void bta_gattc_read_multi(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 435 extern void bta_gattc_ci_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 436 extern void bta_gattc_ci_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 437 extern void bta_gattc_ignore_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 438 extern void bta_gattc_restart_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_msg);
 439 extern void bta_gattc_init_bk_conn(tBTA_GATTC_API_OPEN *p_data, tBTA_GATTC_RCB *p_clreg);
 440 extern void bta_gattc_cancel_bk_conn(tBTA_GATTC_API_CANCEL_OPEN *p_data);
 441 extern void bta_gattc_send_open_cback( tBTA_GATTC_RCB *p_clreg, tBTA_GATT_STATUS status,
 442                                        BD_ADDR remote_bda, UINT16 conn_id, tBTA_TRANSPORT transport,  UINT16 mtu);
 443 extern void bta_gattc_send_connect_cback( tBTA_GATTC_RCB *p_clreg, BD_ADDR remote_bda, UINT16 conn_id);
 444 extern void bta_gattc_send_disconnect_cback( tBTA_GATTC_RCB *p_clreg, tGATT_DISCONN_REASON reason,
 445                                 BD_ADDR remote_bda, UINT16 conn_id);
 446 extern void bta_gattc_process_api_refresh(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 447 extern void bta_gattc_cfg_mtu(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 448 #if BLE_INCLUDED == TRUE
 449 extern void bta_gattc_listen(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 450 extern void bta_gattc_broadcast(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 451 #endif
 452 /* utility functions */
 453 extern tBTA_GATTC_CLCB *bta_gattc_find_clcb_by_cif (UINT8 client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
 454 extern tBTA_GATTC_CLCB *bta_gattc_find_clcb_by_conn_id (UINT16 conn_id);
 455 extern tBTA_GATTC_CLCB *bta_gattc_clcb_alloc(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
 456 extern void bta_gattc_clcb_dealloc(tBTA_GATTC_CLCB *p_clcb);
 457 extern tBTA_GATTC_CLCB *bta_gattc_find_alloc_clcb(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
 458 extern tBTA_GATTC_RCB *bta_gattc_cl_get_regcb(UINT8 client_if);
 459 extern tBTA_GATTC_SERV *bta_gattc_find_srcb(BD_ADDR bda);
 460 extern tBTA_GATTC_SERV *bta_gattc_srcb_alloc(BD_ADDR bda);
 461 extern tBTA_GATTC_SERV *bta_gattc_find_scb_by_cid (UINT16 conn_id);
 462 extern tBTA_GATTC_CLCB *bta_gattc_find_int_conn_clcb(tBTA_GATTC_DATA *p_msg);
 463 extern tBTA_GATTC_CLCB *bta_gattc_find_int_disconn_clcb(tBTA_GATTC_DATA *p_msg);
 464
 465 extern BOOLEAN bta_gattc_enqueue(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 466
 467 extern BOOLEAN bta_gattc_uuid_compare (const tBT_UUID *p_src, const tBT_UUID *p_tar, BOOLEAN is_precise);
 468 extern BOOLEAN bta_gattc_check_notif_registry(tBTA_GATTC_RCB  *p_clreg, tBTA_GATTC_SERV *p_srcb, tBTA_GATTC_NOTIFY  *p_notify);
 469 extern BOOLEAN bta_gattc_mark_bg_conn (tBTA_GATTC_IF client_if,  BD_ADDR_PTR remote_bda, BOOLEAN add, BOOLEAN is_listen);
 470 extern BOOLEAN bta_gattc_check_bg_conn (tBTA_GATTC_IF client_if,  BD_ADDR remote_bda, UINT8 role);
 471 extern UINT8 bta_gattc_num_reg_app(void);
 472 extern void bta_gattc_clear_notif_registration(tBTA_GATTC_SERV *p_srcb, UINT16 conn_id, UINT16 start_handle, UINT16 end_handle);
 473 extern tBTA_GATTC_SERV * bta_gattc_find_srvr_cache(BD_ADDR bda);
 474
 475 /* discovery functions */
 476 extern void bta_gattc_disc_res_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_DISC_RES *p_data);
 477 extern void bta_gattc_disc_cmpl_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_STATUS status);
 478 extern tBTA_GATT_STATUS bta_gattc_discover_procedure(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type);
 479 extern tBTA_GATT_STATUS bta_gattc_discover_pri_service(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type);
 480 extern void bta_gattc_search_service(tBTA_GATTC_CLCB *p_clcb, tBT_UUID *p_uuid);
 481 extern const list_t* bta_gattc_get_services(UINT16 conn_id);
 482 extern const tBTA_GATTC_SERVICE* bta_gattc_get_service_for_handle(UINT16 conn_id, UINT16 handle);
 483 tBTA_GATTC_CHARACTERISTIC*  bta_gattc_get_characteristic_srcb(tBTA_GATTC_SERV *p_srcb, UINT16 handle);
 484 extern tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic(UINT16 conn_id, UINT16 handle);
 485 extern tBTA_GATTC_DESCRIPTOR* bta_gattc_get_descriptor(UINT16 conn_id, UINT16 handle);
 486 extern void bta_gattc_get_db_size_handle(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle, int *count);
 487 extern void bta_gattc_get_db_size_with_type_handle(UINT16 conn_id, bt_gatt_db_attribute_type_t type,
 488                                                    UINT16 start_handle, UINT16 end_handle, UINT16 char_handle, int *count);
 489 extern void bta_gattc_get_service_with_uuid(UINT16 conn_id, tBT_UUID *svc_uuid,
 490                                             btgatt_db_element_t **svc_db,
 491                                             int *count);
 492
 493 extern void bta_gattc_get_db_with_opration(UINT16 conn_id,
 494                                                       bt_gatt_get_db_op_t op,
 495                                                       UINT16 char_handle,
 496                                                       tBT_UUID *incl_uuid,
 497                                                       tBT_UUID *char_uuid,
 498                                                       tBT_UUID *descr_uuid,
 499                                                       UINT16 start_handle, UINT16 end_handle,
 500                                                       btgatt_db_element_t **char_db,
 501                                                       int *count);
 502
 503 extern void bta_gattc_get_gatt_db(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle, btgatt_db_element_t **db, int *count);
 504
 505 extern tBTA_GATT_STATUS bta_gattc_init_cache(tBTA_GATTC_SERV *p_srvc_cb);
 506 extern void bta_gattc_rebuild_cache(tBTA_GATTC_SERV *p_srcv, UINT16 num_attr, tBTA_GATTC_NV_ATTR *attr);
 507 extern void bta_gattc_cache_save(tBTA_GATTC_SERV *p_srvc_cb, UINT16 conn_id);
 508 extern void bta_gattc_reset_discover_st(tBTA_GATTC_SERV *p_srcb, tBTA_GATT_STATUS status);
 509
 510 extern tBTA_GATTC_CONN *bta_gattc_conn_alloc(BD_ADDR remote_bda);
 511 extern tBTA_GATTC_CONN *bta_gattc_conn_find(BD_ADDR remote_bda);
 512 extern tBTA_GATTC_CONN *bta_gattc_conn_find_alloc(BD_ADDR remote_bda);
 513 extern BOOLEAN bta_gattc_conn_dealloc(BD_ADDR remote_bda);
 514
 515 extern bool bta_gattc_cache_load(tBTA_GATTC_CLCB *p_clcb);
 516 extern void bta_gattc_cache_reset(BD_ADDR server_bda);
 517 extern void bta_gattc_deinit(void);
 518
 519 #endif /* BTA_GATTC_INT_H */