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      1 /*
      2  *
      3  *  BlueZ - Bluetooth protocol stack for Linux
      4  *
      5  *  Copyright (C) 2006-2007  Nokia Corporation
      6  *  Copyright (C) 2004-2009  Marcel Holtmann <marcel (at) holtmann.org>
      7  *
      8  *
      9  *  This program is free software; you can redistribute it and/or modify
     10  *  it under the terms of the GNU General Public License as published by
     11  *  the Free Software Foundation; either version 2 of the License, or
     12  *  (at your option) any later version.
     13  *
     14  *  This program 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
     17  *  GNU General Public License for more details.
     18  *
     19  *  You should have received a copy of the GNU General Public License
     20  *  along with this program; 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 <bluetooth/bluetooth.h>
     26 #include <dbus/dbus.h>
     27 #include <glib.h>
     28 
     29 #define ADAPTER_INTERFACE	"org.bluez.Adapter"
     30 
     31 /* Discover types */
     32 #define DISCOVER_TYPE_NONE	0x00
     33 #define STD_INQUIRY		0x01
     34 #define PERIODIC_INQUIRY	0x02
     35 
     36 /* Actions executed after inquiry complete */
     37 #define RESOLVE_NAME		0x10
     38 
     39 #define MAX_NAME_LENGTH		248
     40 
     41 typedef enum {
     42 	NAME_ANY,
     43 	NAME_NOT_REQUIRED, /* used by get remote name without name resolving */
     44 	NAME_REQUIRED,      /* remote name needs be resolved       */
     45 	NAME_REQUESTED,    /* HCI remote name request was sent    */
     46 	NAME_SENT          /* D-Bus signal RemoteNameUpdated sent */
     47 } name_status_t;
     48 
     49 struct btd_adapter;
     50 
     51 struct remote_dev_info {
     52 	bdaddr_t bdaddr;
     53 	int8_t rssi;
     54 	uint32_t class;
     55 	char *name;
     56 	char *alias;
     57 	dbus_bool_t legacy;
     58 	name_status_t name_status;
     59 };
     60 
     61 struct hci_dev {
     62 	int ignore;
     63 
     64 	uint8_t  features[8];
     65 	uint8_t  lmp_ver;
     66 	uint16_t lmp_subver;
     67 	uint16_t hci_rev;
     68 	uint16_t manufacturer;
     69 
     70 	uint8_t  ssp_mode;
     71 	uint8_t  name[MAX_NAME_LENGTH];
     72 	uint8_t  class[3];
     73 };
     74 
     75 int adapter_start(struct btd_adapter *adapter);
     76 
     77 int adapter_stop(struct btd_adapter *adapter);
     78 
     79 int adapter_update(struct btd_adapter *adapter, uint8_t cls);
     80 
     81 int adapter_get_class(struct btd_adapter *adapter, uint8_t *cls);
     82 
     83 int adapter_set_class(struct btd_adapter *adapter, uint8_t *cls);
     84 
     85 int adapter_update_ssp_mode(struct btd_adapter *adapter, uint8_t mode);
     86 
     87 struct btd_device *adapter_get_device(DBusConnection *conn,
     88 				struct btd_adapter *adapter, const char *address);
     89 
     90 struct btd_device *adapter_find_device(struct btd_adapter *adapter, const char *dest);
     91 
     92 struct btd_device *adapter_find_connection(struct btd_adapter *adapter, uint16_t handle);
     93 
     94 void adapter_disable_svc_cache(struct btd_adapter *adapter);
     95 
     96 void adapter_remove_device(DBusConnection *conn, struct btd_adapter *adapter,
     97 				struct btd_device *device);
     98 struct btd_device *adapter_create_device(DBusConnection *conn,
     99 				struct btd_adapter *adapter, const char *address);
    100 
    101 int pending_remote_name_cancel(struct btd_adapter *adapter);
    102 
    103 int adapter_resolve_names(struct btd_adapter *adapter);
    104 
    105 void clear_found_devices_list(struct btd_adapter *adapter);
    106 
    107 struct btd_adapter *adapter_create(DBusConnection *conn, int id,
    108 				gboolean devup);
    109 void adapter_remove(struct btd_adapter *adapter);
    110 uint16_t adapter_get_dev_id(struct btd_adapter *adapter);
    111 const gchar *adapter_get_path(struct btd_adapter *adapter);
    112 void adapter_get_address(struct btd_adapter *adapter, bdaddr_t *bdaddr);
    113 void adapter_set_state(struct btd_adapter *adapter, int state);
    114 int adapter_get_state(struct btd_adapter *adapter);
    115 gboolean adapter_is_ready(struct btd_adapter *adapter);
    116 struct remote_dev_info *adapter_search_found_devices(struct btd_adapter *adapter,
    117 						struct remote_dev_info *match);
    118 void adapter_update_found_devices(struct btd_adapter *adapter, bdaddr_t *bdaddr,
    119 				int8_t rssi, uint32_t class, const char *name,
    120 				const char *alias, gboolean legacy,
    121 				name_status_t name_status);
    122 int adapter_remove_found_device(struct btd_adapter *adapter, bdaddr_t *bdaddr);
    123 void adapter_emit_device_found(struct btd_adapter *adapter,
    124 				struct remote_dev_info *dev);
    125 void adapter_update_oor_devices(struct btd_adapter *adapter);
    126 void adapter_mode_changed(struct btd_adapter *adapter, uint8_t scan_mode);
    127 void adapter_setname_complete(bdaddr_t *local, uint8_t status);
    128 void adapter_update_local_name(bdaddr_t *bdaddr, uint8_t status, void *ptr);
    129 
    130 struct agent *adapter_get_agent(struct btd_adapter *adapter);
    131 void adapter_add_connection(struct btd_adapter *adapter,
    132 				struct btd_device *device, uint16_t handle);
    133 void adapter_remove_connection(struct btd_adapter *adapter,
    134 				struct btd_device *device, uint16_t handle);
    135 gboolean adapter_has_discov_sessions(struct btd_adapter *adapter);
    136 
    137 struct btd_adapter *btd_adapter_ref(struct btd_adapter *adapter);
    138 void btd_adapter_unref(struct btd_adapter *adapter);
    139 int set_major_and_minor_class(struct btd_adapter *adapter, uint8_t major,
    140 								uint8_t minor);
    141 
    142 
    143 struct btd_adapter_driver {
    144 	const char *name;
    145 	int (*probe) (struct btd_adapter *adapter);
    146 	void (*remove) (struct btd_adapter *adapter);
    147 };
    148 
    149 typedef void (*service_auth_cb) (DBusError *derr, void *user_data);
    150 
    151 int btd_register_adapter_driver(struct btd_adapter_driver *driver);
    152 void btd_unregister_adapter_driver(struct btd_adapter_driver *driver);
    153 int btd_request_authorization(const bdaddr_t *src, const bdaddr_t *dst,
    154 		const char *uuid, service_auth_cb cb, void *user_data);
    155 int btd_cancel_authorization(const bdaddr_t *src, const bdaddr_t *dst);
    156 
    157 const char *adapter_any_get_path(void);
    158 
    159 const char *btd_adapter_any_request_path(void);
    160 void btd_adapter_any_release_path(void);
    161 gboolean adapter_is_pairable(struct btd_adapter *adapter);
    162 gboolean adapter_powering_down(struct btd_adapter *adapter);
    163 
    164 int btd_adapter_restore_powered(struct btd_adapter *adapter);
    165 int btd_adapter_switch_offline(struct btd_adapter *adapter);
    166 
    167 struct btd_adapter_ops {
    168 	int (*setup) (void);
    169 	void (*cleanup) (void);
    170 	int (*start) (int index);
    171 	int (*stop) (int index);
    172 	int (*set_powered) (int index, gboolean powered);
    173 	int (*set_connectable) (int index);
    174 	int (*set_discoverable) (int index);
    175 	int (*set_limited_discoverable) (int index, const uint8_t *cls,
    176 						gboolean limited);
    177 	int (*start_discovery) (int index, gboolean periodic);
    178 	int (*stop_discovery) (int index);
    179 	int (*resolve_name) (int index, bdaddr_t *bdaddr);
    180 	int (*cancel_resolve_name) (int index, bdaddr_t *bdaddr);
    181 	int (*set_name) (int index, const char *name);
    182 	int (*read_name) (int index);
    183 };
    184 
    185 int btd_register_adapter_ops(struct btd_adapter_ops *btd_adapter_ops);
    186 void btd_adapter_cleanup_ops(struct btd_adapter_ops *btd_adapter_ops);
    187 int adapter_ops_setup(void);
    188