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 #include "mutex.h"
  34
  35 /*****************************************************************************
  36 **  Constants and data types
  37 *****************************************************************************/
  38 enum {
  39     BTA_GATTC_API_OPEN_EVT   = BTA_SYS_EVT_START(BTA_ID_GATTC),
  40     BTA_GATTC_INT_OPEN_FAIL_EVT,
  41     BTA_GATTC_API_CANCEL_OPEN_EVT,
  42     BTA_GATTC_INT_CANCEL_OPEN_OK_EVT,
  43
  44     BTA_GATTC_API_READ_EVT,
  45     BTA_GATTC_API_WRITE_EVT,
  46     BTA_GATTC_API_EXEC_EVT,
  47     BTA_GATTC_API_CFG_MTU_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     BTA_GATTC_INT_START_IF_EVT,
  63     BTA_GATTC_API_REG_EVT,
  64     BTA_GATTC_API_DEREG_EVT,
  65     BTA_GATTC_API_LISTEN_EVT,
  66     BTA_GATTC_API_BROADCAST_EVT,
  67     BTA_GATTC_API_DISABLE_EVT,
  68     BTA_GATTC_ENC_CMPL_EVT
  69 };
  70 typedef UINT16 tBTA_GATTC_INT_EVT;
  71
  72 #define BTA_GATTC_SERVICE_CHANGED_LEN    4
  73
  74 /* max client application GATTC can support */
  75 #ifndef     BTA_GATTC_CL_MAX
  76 #if (GATT_MAX_PHY_CHANNEL > 3)
  77     #define     BTA_GATTC_CL_MAX    GATT_MAX_PHY_CHANNEL
  78 #else
  79     #define     BTA_GATTC_CL_MAX    3 // The origin value is 10
  80 #endif
  81 #endif
  82
  83 /* max known devices GATTC can support */
  84 #ifndef     BTA_GATTC_KNOWN_SR_MAX
  85 #if (GATT_MAX_PHY_CHANNEL > 3)
  86     #define     BTA_GATTC_KNOWN_SR_MAX    GATT_MAX_PHY_CHANNEL
  87 #else
  88     #define     BTA_GATTC_KNOWN_SR_MAX    3 // The origin value is 10
  89 #endif
  90 #endif
  91
  92 #define BTA_GATTC_CONN_MAX      GATT_MAX_PHY_CHANNEL
  93
  94 #ifndef BTA_GATTC_CLCB_MAX
  95 #define BTA_GATTC_CLCB_MAX      GATT_CL_MAX_LCB
  96 #endif
  97
  98 #define BTA_GATTC_WRITE_PREPARE          GATT_WRITE_PREPARE
  99 #define BTA_GATTC_INVALID_HANDLE         0
 100
 101 /* internal strucutre for GATTC register API  */
 102 typedef struct {
 103     BT_HDR                  hdr;
 104     tBT_UUID                app_uuid;
 105     tBTA_GATTC_CBACK        *p_cback;
 106 } tBTA_GATTC_API_REG;
 107
 108 typedef struct {
 109     BT_HDR                  hdr;
 110     tBTA_GATTC_IF           client_if;
 111 } tBTA_GATTC_INT_START_IF;
 112
 113 typedef tBTA_GATTC_INT_START_IF tBTA_GATTC_API_DEREG;
 114 typedef tBTA_GATTC_INT_START_IF tBTA_GATTC_INT_DEREG;
 115
 116 typedef struct {
 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     BT_HDR                  hdr;
 128     tBTA_GATT_AUTH_REQ      auth_req;
 129     UINT16                  handle;
 130     tBTA_GATTC_EVT          cmpl_evt;
 131 } tBTA_GATTC_API_READ;
 132
 133 typedef struct {
 134     BT_HDR                  hdr;
 135     tBTA_GATT_AUTH_REQ      auth_req;
 136     UINT16                  handle;
 137     tBTA_GATTC_EVT          cmpl_evt;
 138     tBTA_GATTC_WRITE_TYPE   write_type;
 139     UINT16                  offset;
 140     UINT16                  len;
 141     UINT8                   *p_value;
 142 } tBTA_GATTC_API_WRITE;
 143
 144 typedef struct {
 145     BT_HDR                  hdr;
 146     BOOLEAN                 is_execute;
 147 } tBTA_GATTC_API_EXEC;
 148
 149 typedef struct {
 150     BT_HDR                  hdr;
 151     UINT16                  handle;
 152 } tBTA_GATTC_API_CONFIRM;
 153
 154 typedef tGATT_CL_COMPLETE tBTA_GATTC_CMPL;
 155
 156 typedef struct {
 157     BT_HDR                  hdr;
 158     UINT8                   op_code;
 159     tGATT_STATUS            status;
 160     tBTA_GATTC_CMPL         *p_cmpl;
 161 } tBTA_GATTC_OP_CMPL;
 162
 163 typedef struct {
 164     BT_HDR              hdr;
 165     tBT_UUID            *p_srvc_uuid;
 166 } tBTA_GATTC_API_SEARCH;
 167
 168 typedef struct {
 169     BT_HDR                  hdr;
 170     tBTA_GATT_AUTH_REQ      auth_req;
 171     UINT8                   num_attr;
 172     UINT16                  handles[GATT_MAX_READ_MULTI_HANDLES];
 173     tBTA_GATTC_EVT          cmpl_evt;
 174 }tBTA_GATTC_API_READ_MULTI;
 175
 176 typedef struct {
 177     BT_HDR                  hdr;
 178     BD_ADDR_PTR             remote_bda;
 179     tBTA_GATTC_IF           client_if;
 180     BOOLEAN                 start;
 181 } tBTA_GATTC_API_LISTEN;
 182
 183
 184 typedef struct {
 185     BT_HDR              hdr;
 186 } tBTA_GATTC_API_CFG_MTU;
 187
 188 typedef struct {
 189     BT_HDR                  hdr;
 190     BD_ADDR                 remote_bda;
 191     tBTA_GATTC_IF           client_if;
 192     UINT8                   role;
 193     tBT_TRANSPORT           transport;
 194     tGATT_DISCONN_REASON    reason;
 195 } tBTA_GATTC_INT_CONN;
 196
 197 typedef struct {
 198     BT_HDR                  hdr;
 199     BD_ADDR                 remote_bda;
 200     tBTA_GATTC_IF           client_if;
 201 } tBTA_GATTC_ENC_CMPL;
 202
 203 typedef union {
 204     BT_HDR                      hdr;
 205     tBTA_GATTC_API_REG          api_reg;
 206     tBTA_GATTC_API_DEREG        api_dereg;
 207     tBTA_GATTC_API_OPEN         api_conn;
 208     tBTA_GATTC_API_CANCEL_OPEN  api_cancel_conn;
 209     tBTA_GATTC_API_READ         api_read;
 210     tBTA_GATTC_API_SEARCH       api_search;
 211     tBTA_GATTC_API_WRITE        api_write;
 212     tBTA_GATTC_API_CONFIRM      api_confirm;
 213     tBTA_GATTC_API_EXEC         api_exec;
 214     tBTA_GATTC_API_READ_MULTI   api_read_multi;
 215     tBTA_GATTC_API_CFG_MTU      api_mtu;
 216     tBTA_GATTC_OP_CMPL          op_cmpl;
 217     tBTA_GATTC_INT_CONN         int_conn;
 218     tBTA_GATTC_ENC_CMPL         enc_cmpl;
 219
 220     tBTA_GATTC_INT_START_IF     int_start_if;
 221     tBTA_GATTC_INT_DEREG        int_dereg;
 222     /* if peripheral role is supported */
 223     tBTA_GATTC_API_LISTEN       api_listen;
 224
 225 } tBTA_GATTC_DATA;
 226
 227
 228 /* GATT server cache on the client */
 229 typedef struct {
 230     tBT_UUID            uuid;
 231     UINT16              s_handle;
 232     UINT16              e_handle;
 233     // this field is set only for characteristic
 234     UINT16              char_decl_handle;
 235     BOOLEAN             is_primary;
 236     tBTA_GATT_CHAR_PROP property;
 237 } tBTA_GATTC_ATTR_REC;
 238
 239
 240 #define BTA_GATTC_MAX_CACHE_CHAR    40
 241 #define BTA_GATTC_ATTR_LIST_SIZE    (BTA_GATTC_MAX_CACHE_CHAR * sizeof(tBTA_GATTC_ATTR_REC))
 242
 243 #ifndef BTA_GATTC_CACHE_SRVR_SIZE
 244 #define BTA_GATTC_CACHE_SRVR_SIZE   600
 245 #endif
 246
 247 enum {
 248     BTA_GATTC_IDLE_ST = 0,      /* Idle  */
 249     BTA_GATTC_W4_CONN_ST,       /* Wait for connection -  (optional) */
 250     BTA_GATTC_CONN_ST,          /* connected state */
 251     BTA_GATTC_DISCOVER_ST       /* discover is in progress */
 252 };
 253 typedef UINT8 tBTA_GATTC_STATE;
 254
 255 typedef struct {
 256     BOOLEAN             in_use;
 257     BD_ADDR             server_bda;
 258     BOOLEAN             connected;
 259
 260 #define BTA_GATTC_SERV_IDLE     0
 261 #define BTA_GATTC_SERV_LOAD     1
 262 #define BTA_GATTC_SERV_SAVE     2
 263 #define BTA_GATTC_SERV_DISC     3
 264 #define BTA_GATTC_SERV_DISC_ACT 4
 265
 266     UINT8               state;
 267
 268     list_t              *p_srvc_cache;  /* list of tBTA_GATTC_SERVICE */
 269     UINT8               update_count;   /* indication received */
 270     UINT8               num_clcb;       /* number of associated CLCB */
 271
 272
 273     tBTA_GATTC_ATTR_REC *p_srvc_list;
 274     UINT8               cur_srvc_idx;
 275     UINT8               cur_char_idx;
 276     UINT8               next_avail_idx;
 277     UINT8               total_srvc;
 278     UINT8               total_char;
 279     UINT16              total_attr;
 280     UINT8               srvc_hdl_chg;   /* service handle change indication pending */
 281     UINT16              attr_index;     /* cahce NV saving/loading attribute index */
 282
 283     UINT16              mtu;
 284 } tBTA_GATTC_SERV;
 285
 286 #ifndef BTA_GATTC_NOTIF_REG_MAX
 287 #define BTA_GATTC_NOTIF_REG_MAX     7//15
 288 #endif
 289
 290 typedef struct {
 291     BOOLEAN             in_use;
 292     BD_ADDR             remote_bda;
 293     UINT16              handle;
 294 }tBTA_GATTC_NOTIF_REG;
 295
 296 typedef struct {
 297     tBTA_GATTC_CBACK        *p_cback;
 298     BOOLEAN                 in_use;
 299     tBTA_GATTC_IF           client_if;      /* client interface with BTE stack for this application */
 300     UINT8                   num_clcb;       /* number of associated CLCB */
 301     BOOLEAN                 dereg_pending;
 302     tBT_UUID                app_uuid;
 303     tBTA_GATTC_NOTIF_REG    notif_reg[BTA_GATTC_NOTIF_REG_MAX];
 304 } tBTA_GATTC_RCB;
 305
 306 /* client channel is a mapping between a BTA client(cl_id) and a remote BD address */
 307 typedef struct {
 308     UINT16              bta_conn_id;    /* client channel ID, unique for clcb */
 309     BD_ADDR             bda;
 310     tBTA_TRANSPORT      transport;      /* channel transport */
 311     tBTA_GATTC_RCB      *p_rcb;         /* pointer to the registration CB */
 312     tBTA_GATTC_SERV     *p_srcb;    /* server cache CB */
 313     tBTA_GATTC_DATA     *p_q_cmd;   /* command in queue waiting for execution */
 314     list_t              *p_cmd_list; /* The list to store the command to be sent */
 315     BOOLEAN             is_full;     /* The gattc command queue is full or not */
 316 #define BTA_GATTC_NO_SCHEDULE       0
 317 #define BTA_GATTC_DISC_WAITING      0x01
 318 #define BTA_GATTC_REQ_WAITING       0x10
 319
 320     UINT8               auto_update; /* auto update is waiting */
 321     BOOLEAN             disc_active;
 322     BOOLEAN             in_use;
 323     tBTA_GATTC_STATE    state;
 324     tBTA_GATT_STATUS    status;
 325     UINT16              reason;
 326 } tBTA_GATTC_CLCB;
 327
 328 /* back ground connection tracking information */
 329 #if GATT_MAX_APPS <= 8
 330 typedef UINT8 tBTA_GATTC_CIF_MASK ;
 331 #elif GATT_MAX_APPS <= 16
 332 typedef UINT16 tBTA_GATTC_CIF_MASK;
 333 #elif GATT_MAX_APPS <= 32
 334 typedef UINT32 tBTA_GATTC_CIF_MASK;
 335 #endif
 336
 337 typedef struct {
 338     BOOLEAN                 in_use;
 339     BD_ADDR                 remote_bda;
 340     tBTA_GATTC_CIF_MASK     cif_mask;
 341     tBTA_GATTC_CIF_MASK     cif_adv_mask;
 342
 343 } tBTA_GATTC_BG_TCK;
 344
 345 typedef struct {
 346     BOOLEAN             in_use;
 347     BD_ADDR             remote_bda;
 348     TIMER_LIST_ENT      service_change_ccc_timer;           /* wait for discovering remote device's service change ccc handle */
 349     BOOLEAN             ccc_timer_used;                     /* service_change_ccc_timer started */
 350     BOOLEAN             service_change_ccc_written;         /* has written remote device's service change ccc */
 351 } tBTA_GATTC_CONN;
 352
 353 enum {
 354     BTA_GATTC_STATE_DISABLED,
 355     BTA_GATTC_STATE_ENABLING,
 356     BTA_GATTC_STATE_ENABLED,
 357     BTA_GATTC_STATE_DISABLING
 358 };
 359
 360 typedef struct {
 361     UINT8               state;
 362     osi_mutex_t         write_ccc_mutex;
 363     tBTA_GATTC_CONN     conn_track[BTA_GATTC_CONN_MAX];
 364     tBTA_GATTC_BG_TCK   bg_track[BTA_GATTC_KNOWN_SR_MAX];
 365     tBTA_GATTC_RCB      cl_rcb[BTA_GATTC_CL_MAX];
 366
 367     tBTA_GATTC_CLCB     clcb[BTA_GATTC_CLCB_MAX];
 368     tBTA_GATTC_SERV     known_server[BTA_GATTC_KNOWN_SR_MAX];
 369 }tBTA_GATTC_CB;
 370
 371 typedef enum {
 372     SERVICE_CHANGE_CCC_WRITTEN_SUCCESS = 0,
 373     SERVICE_CHANGE_CACHE_NOT_FOUND,
 374     SERVICE_CHANGE_SERVICE_NOT_FOUND,
 375     SERVICE_CHANGE_CHAR_NOT_FOUND,
 376     SERVICE_CHANGE_CCC_NOT_FOUND,
 377     SERVICE_CHANGE_WRITE_CCC_FAILED
 378 }tBTA_GATTC_FIND_SERVICE_CB;
 379
 380
 381 /*****************************************************************************
 382 **  Global data
 383 *****************************************************************************/
 384
 385 /* GATTC control block */
 386 #if BTA_DYNAMIC_MEMORY == FALSE
 387 extern tBTA_GATTC_CB  bta_gattc_cb;
 388 #else
 389 extern tBTA_GATTC_CB *bta_gattc_cb_ptr;
 390 #define bta_gattc_cb (*bta_gattc_cb_ptr)
 391 #endif
 392
 393 /*****************************************************************************
 394 **  Function prototypes
 395 *****************************************************************************/
 396 extern BOOLEAN bta_gattc_hdl_event(BT_HDR *p_msg);
 397 extern BOOLEAN bta_gattc_sm_execute(tBTA_GATTC_CLCB *p_clcb, UINT16 event, tBTA_GATTC_DATA *p_data);
 398
 399 /* function processed outside SM */
 400 extern void bta_gattc_disable(tBTA_GATTC_CB *p_cb);
 401 extern void bta_gattc_register(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
 402 extern void bta_gattc_start_if(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data);
 403 extern void bta_gattc_process_api_open (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 404 extern void bta_gattc_process_api_open_cancel (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 405 extern void bta_gattc_deregister(tBTA_GATTC_CB *p_cb, tBTA_GATTC_RCB  *p_clreg);
 406 extern void bta_gattc_process_enc_cmpl(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 407
 408 /* function within state machine */
 409 extern void bta_gattc_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 410 extern void bta_gattc_open_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 411 extern void bta_gattc_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 412
 413 extern void bta_gattc_cancel_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 414 extern void bta_gattc_cancel_open_ok(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 415 extern void bta_gattc_cancel_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 416
 417 extern void bta_gattc_conn(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 418 extern void bta_gattc_conncback(tBTA_GATTC_RCB *p_rcb, tBTA_GATTC_DATA *p_data);
 419 extern void bta_gattc_disconncback(tBTA_GATTC_RCB *p_rcb, tBTA_GATTC_DATA *p_data);
 420 extern void bta_gattc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 421 extern void bta_gattc_close_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 422 extern void bta_gattc_disc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 423
 424 extern void bta_gattc_start_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 425 extern void bta_gattc_disc_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 426 extern void bta_gattc_read(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 427 extern void bta_gattc_write(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 428 extern void bta_gattc_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 429 extern void bta_gattc_q_cmd(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 430 extern void bta_gattc_free_command_data(tBTA_GATTC_CLCB *p_clcb);
 431 extern void bta_gattc_search(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 432 extern void bta_gattc_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 433 extern void bta_gattc_confirm(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 434 extern void bta_gattc_execute(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 435 extern void bta_gattc_read_multi(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 436 extern void bta_gattc_ci_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 437 extern void bta_gattc_ci_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 438 extern void bta_gattc_ignore_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 439 extern void bta_gattc_restart_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_msg);
 440 extern void bta_gattc_init_bk_conn(tBTA_GATTC_API_OPEN *p_data, tBTA_GATTC_RCB *p_clreg);
 441 extern void bta_gattc_cancel_bk_conn(tBTA_GATTC_API_CANCEL_OPEN *p_data);
 442 extern void bta_gattc_send_open_cback( tBTA_GATTC_RCB *p_clreg, tBTA_GATT_STATUS status,
 443                                        BD_ADDR remote_bda, UINT16 conn_id, tBTA_TRANSPORT transport,  UINT16 mtu);
 444 extern void bta_gattc_send_connect_cback( tBTA_GATTC_RCB *p_clreg, BD_ADDR remote_bda, UINT16 conn_id);
 445 extern void bta_gattc_send_disconnect_cback( tBTA_GATTC_RCB *p_clreg, tGATT_DISCONN_REASON reason,
 446                                 BD_ADDR remote_bda, UINT16 conn_id);
 447 extern void bta_gattc_process_api_refresh(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 448 extern void bta_gattc_cfg_mtu(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 449 #if BLE_INCLUDED == TRUE
 450 extern void bta_gattc_listen(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 451 extern void bta_gattc_broadcast(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg);
 452 #endif
 453 /* utility functions */
 454 extern tBTA_GATTC_CLCB *bta_gattc_find_clcb_by_cif (UINT8 client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
 455 extern tBTA_GATTC_CLCB *bta_gattc_find_clcb_by_conn_id (UINT16 conn_id);
 456 extern tBTA_GATTC_CLCB *bta_gattc_clcb_alloc(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
 457 extern void bta_gattc_clcb_dealloc(tBTA_GATTC_CLCB *p_clcb);
 458 extern tBTA_GATTC_CLCB *bta_gattc_find_alloc_clcb(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, tBTA_TRANSPORT transport);
 459 extern tBTA_GATTC_RCB *bta_gattc_cl_get_regcb(UINT8 client_if);
 460 extern tBTA_GATTC_SERV *bta_gattc_find_srcb(BD_ADDR bda);
 461 extern tBTA_GATTC_SERV *bta_gattc_srcb_alloc(BD_ADDR bda);
 462 extern tBTA_GATTC_SERV *bta_gattc_find_scb_by_cid (UINT16 conn_id);
 463 extern tBTA_GATTC_CLCB *bta_gattc_find_int_conn_clcb(tBTA_GATTC_DATA *p_msg);
 464 extern tBTA_GATTC_CLCB *bta_gattc_find_int_disconn_clcb(tBTA_GATTC_DATA *p_msg);
 465
 466 extern BOOLEAN bta_gattc_enqueue(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
 467
 468 extern BOOLEAN bta_gattc_uuid_compare (const tBT_UUID *p_src, const tBT_UUID *p_tar, BOOLEAN is_precise);
 469 extern BOOLEAN bta_gattc_check_notif_registry(tBTA_GATTC_RCB  *p_clreg, tBTA_GATTC_SERV *p_srcb, tBTA_GATTC_NOTIFY  *p_notify);
 470 extern BOOLEAN bta_gattc_mark_bg_conn (tBTA_GATTC_IF client_if,  BD_ADDR_PTR remote_bda, BOOLEAN add, BOOLEAN is_listen);
 471 extern BOOLEAN bta_gattc_check_bg_conn (tBTA_GATTC_IF client_if,  BD_ADDR remote_bda, UINT8 role);
 472 extern UINT8 bta_gattc_num_reg_app(void);
 473 extern void bta_gattc_clear_notif_registration(tBTA_GATTC_SERV *p_srcb, UINT16 conn_id, UINT16 start_handle, UINT16 end_handle);
 474 extern tBTA_GATTC_SERV * bta_gattc_find_srvr_cache(BD_ADDR bda);
 475
 476 /* discovery functions */
 477 extern void bta_gattc_disc_res_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_DISC_RES *p_data);
 478 extern void bta_gattc_disc_cmpl_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_STATUS status);
 479 extern tBTA_GATT_STATUS bta_gattc_discover_procedure(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type);
 480 extern tBTA_GATT_STATUS bta_gattc_discover_pri_service(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb, UINT8 disc_type);
 481 extern void bta_gattc_search_service(tBTA_GATTC_CLCB *p_clcb, tBT_UUID *p_uuid);
 482 extern const list_t* bta_gattc_get_services(UINT16 conn_id);
 483 extern const tBTA_GATTC_SERVICE* bta_gattc_get_service_for_handle(UINT16 conn_id, UINT16 handle);
 484 tBTA_GATTC_CHARACTERISTIC*  bta_gattc_get_characteristic_srcb(tBTA_GATTC_SERV *p_srcb, UINT16 handle);
 485 extern tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic(UINT16 conn_id, UINT16 handle);
 486 extern tBTA_GATTC_DESCRIPTOR* bta_gattc_get_descriptor(UINT16 conn_id, UINT16 handle);
 487 extern void bta_gattc_get_db_size_handle(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle, int *count);
 488 extern void bta_gattc_get_db_size_with_type_handle(UINT16 conn_id, bt_gatt_db_attribute_type_t type,
 489                                                    UINT16 start_handle, UINT16 end_handle, UINT16 char_handle, int *count);
 490 extern void bta_gattc_get_service_with_uuid(UINT16 conn_id, tBT_UUID *svc_uuid,
 491                                             btgatt_db_element_t **svc_db,
 492                                             int *count);
 493
 494 extern void bta_gattc_get_db_with_opration(UINT16 conn_id,
 495                                                       bt_gatt_get_db_op_t op,
 496                                                       UINT16 char_handle,
 497                                                       tBT_UUID *incl_uuid,
 498                                                       tBT_UUID *char_uuid,
 499                                                       tBT_UUID *descr_uuid,
 500                                                       UINT16 start_handle, UINT16 end_handle,
 501                                                       btgatt_db_element_t **char_db,
 502                                                       int *count);
 503
 504 extern void bta_gattc_get_gatt_db(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle, btgatt_db_element_t **db, int *count);
 505
 506 extern tBTA_GATT_STATUS bta_gattc_init_cache(tBTA_GATTC_SERV *p_srvc_cb);
 507 extern void bta_gattc_rebuild_cache(tBTA_GATTC_SERV *p_srcv, UINT16 num_attr, tBTA_GATTC_NV_ATTR *attr);
 508 extern void bta_gattc_cache_save(tBTA_GATTC_SERV *p_srvc_cb, UINT16 conn_id);
 509 extern void bta_gattc_reset_discover_st(tBTA_GATTC_SERV *p_srcb, tBTA_GATT_STATUS status);
 510
 511 extern tBTA_GATTC_CONN *bta_gattc_conn_alloc(BD_ADDR remote_bda);
 512 extern tBTA_GATTC_CONN *bta_gattc_conn_find(BD_ADDR remote_bda);
 513 extern tBTA_GATTC_CONN *bta_gattc_conn_find_alloc(BD_ADDR remote_bda);
 514 extern BOOLEAN bta_gattc_conn_dealloc(BD_ADDR remote_bda);
 515
 516 extern bool bta_gattc_cache_load(tBTA_GATTC_CLCB *p_clcb);
 517 extern void bta_gattc_cache_reset(BD_ADDR server_bda);
 518 extern void bta_gattc_deinit(void);
 519
 520 #endif /* BTA_GATTC_INT_H */