emulator/btdev.h

   1 /*
   2  *
   3  *  BlueZ - Bluetooth protocol stack for Linux
   4  *
   5  *  Copyright (C) 2011-2012  Intel Corporation
   6  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
   7  *
   8  *
   9  *  This library is free software; you can redistribute it and/or
  10  *  modify it under the terms of the GNU Lesser General Public
  11  *  License as published by the Free Software Foundation; either
  12  *  version 2.1 of the License, or (at your option) any later version.
  13  *
  14  *  This library is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  *  Lesser General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU Lesser General Public
  20  *  License along with this library; if not, write to the Free Software
  21  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  22  *
  23  */
  24
  25 #include <stdint.h>
  26 #include <stdbool.h>
  27
  28 #define BTDEV_RESPONSE_DEFAULT          0
  29 #define BTDEV_RESPONSE_COMMAND_STATUS   1
  30 #define BTDEV_RESPONSE_COMMAND_COMPLETE 2
  31
  32 typedef struct btdev_callback * btdev_callback;
  33
  34 void btdev_command_response(btdev_callback callback, uint8_t response,
  35                                 uint8_t status, const void *data, uint8_t len);
  36
  37 #define btdev_command_default(callback) \
  38                 btdev_command_response(callback, \
  39                         BTDEV_RESPONSE_DEFAULT, 0x00, NULL, 0);
  40
  41 #define btdev_command_status(callback, status) \
  42                 btdev_command_response(callback, \
  43                         BTDEV_RESPONSE_COMMAND_STATUS, status, NULL, 0);
  44
  45 #define btdev_command_complete(callback, data, len) \
  46                  btdev_command_response(callback, \
  47                         BTDEV_RESPONSE_COMMAND_COMPLETE, 0x00, data, len);
  48
  49
  50 typedef void (*btdev_command_func) (uint16_t opcode,
  51                                 const void *data, uint8_t len,
  52                                 btdev_callback callback, void *user_data);
  53
  54 typedef void (*btdev_send_func) (const struct iovec *iov, int iovlen,
  55                                                         void *user_data);
  56
  57 typedef bool (*btdev_hook_func) (const void *data, uint16_t len,
  58                                                         void *user_data);
  59
  60 enum btdev_type {
  61         BTDEV_TYPE_BREDRLE,
  62         BTDEV_TYPE_BREDR,
  63         BTDEV_TYPE_LE,
  64         BTDEV_TYPE_AMP,
  65 };
  66
  67 enum btdev_hook_type {
  68         BTDEV_HOOK_PRE_CMD,
  69         BTDEV_HOOK_POST_CMD,
  70         BTDEV_HOOK_PRE_EVT,
  71         BTDEV_HOOK_POST_EVT,
  72 };
  73
  74 struct btdev;
  75
  76 struct btdev *btdev_create(enum btdev_type type, uint16_t id);
  77 void btdev_destroy(struct btdev *btdev);
  78
  79 const uint8_t *btdev_get_bdaddr(struct btdev *btdev);
  80 uint8_t *btdev_get_features(struct btdev *btdev);
  81
  82 void btdev_set_command_handler(struct btdev *btdev, btdev_command_func handler,
  83                                                         void *user_data);
  84
  85 void btdev_set_send_handler(struct btdev *btdev, btdev_send_func handler,
  86                                                         void *user_data);
  87
  88 void btdev_receive_h4(struct btdev *btdev, const void *data, uint16_t len);
  89
  90 int btdev_add_hook(struct btdev *btdev, enum btdev_hook_type type,
  91                                 uint16_t opcode, btdev_hook_func handler,
  92                                 void *user_data);
  93
  94 bool btdev_del_hook(struct btdev *btdev, enum btdev_hook_type type,
  95                                                         uint16_t opcode);