/*      $NetBSD: bluetooth.h,v 1.5 2011/11/28 12:44:18 joerg Exp $      */

/*-
 * Copyright (c) 2001-2009 Maksim Yevmenkin <m_evmenkin@yahoo.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD: src/lib/libbluetooth/bluetooth.h,v 1.5 2009/04/22 15:50:03 emax Exp $
 */

#ifndef _BLUETOOTH_H_
#define _BLUETOOTH_H_

#include <sys/types.h>
#include <sys/endian.h>
#include <sys/socket.h>

#include <netbt/bluetooth.h>
#include <netbt/hci.h>
#include <netbt/l2cap.h>

#include <netdb.h>
#include <stdio.h>
#include <time.h>

__BEGIN_DECLS

/*
 * Interface to the outside world
 */

struct hostent *  bt_gethostbyname    (char const *);
struct hostent *  bt_gethostbyaddr    (char const *, socklen_t, int);
struct hostent *  bt_gethostent       (void);
void              bt_sethostent       (int);
void              bt_endhostent       (void);

struct protoent * bt_getprotobyname   (char const *);
struct protoent * bt_getprotobynumber (int);
struct protoent * bt_getprotoent      (void);
void              bt_setprotoent      (int);
void              bt_endprotoent      (void);

char const *      bt_ntoa             (bdaddr_t const *, char *);
int               bt_aton             (char const *, bdaddr_t *);

/*
 * Bluetooth device access API
 */

struct bt_devinfo {
        char            devname[HCI_DEVNAME_SIZE];
        int             enabled;        /* device is enabled */

        /* device information */
        bdaddr_t        bdaddr;
        uint8_t         features[HCI_FEATURES_SIZE];
        uint16_t        acl_size;       /* max ACL data size */
        uint16_t        acl_pkts;       /* total ACL packet buffers */
        uint16_t        sco_size;       /* max SCO data size */
        uint16_t        sco_pkts;       /* total SCO packet buffers */

        /* flow control */
        uint16_t        cmd_free;       /* available CMD packet buffers */
        uint16_t        acl_free;       /* available ACL packet buffers */
        uint16_t        sco_free;       /* available SCO packet buffers */

        /* statistics */
        uint32_t        cmd_sent;
        uint32_t        evnt_recv;
        uint32_t        acl_recv;
        uint32_t        acl_sent;
        uint32_t        sco_recv;
        uint32_t        sco_sent;
        uint32_t        bytes_recv;
        uint32_t        bytes_sent;

        /* device settings */
        uint16_t        link_policy_info;
        uint16_t        packet_type_info;
        uint16_t        role_switch_info;
};

struct bt_devreq {
        uint16_t        opcode;
        uint8_t         event;
        void            *cparam;
        size_t          clen;
        void            *rparam;
        size_t          rlen;
};

struct bt_devfilter {
        struct hci_filter       packet_mask;
        struct hci_filter       event_mask;
};

struct bt_devinquiry {
        bdaddr_t        bdaddr;
        uint8_t         pscan_rep_mode;
        uint8_t         pscan_period_mode;
        uint8_t         dev_class[3];
        uint16_t        clock_offset;
        int8_t          rssi;
        uint8_t         data[240];
};

/* bt_devopen() flags */
#define BTOPT_DIRECTION         (1 << 0)
#define BTOPT_TIMESTAMP         (1 << 1)

/* compatibility */
#define bt_devclose(s)          close(s)

typedef int (bt_devenum_cb_t)(int, const struct bt_devinfo *, void *);

int     bt_devaddr(const char *, bdaddr_t *);
int     bt_devname(char *, const bdaddr_t *);
int     bt_devopen(const char *, int);
ssize_t bt_devsend(int, uint16_t, void *, size_t);
ssize_t bt_devrecv(int, void *, size_t, time_t);
int     bt_devreq(int, struct bt_devreq *, time_t);
int     bt_devfilter(int, const struct bt_devfilter *, struct bt_devfilter *);
void    bt_devfilter_pkt_set(struct bt_devfilter *, uint8_t);
void    bt_devfilter_pkt_clr(struct bt_devfilter *, uint8_t);
int     bt_devfilter_pkt_tst(const struct bt_devfilter *, uint8_t);
void    bt_devfilter_evt_set(struct bt_devfilter *, uint8_t);
void    bt_devfilter_evt_clr(struct bt_devfilter *, uint8_t);
int     bt_devfilter_evt_tst(const struct bt_devfilter *, uint8_t);
int     bt_devinquiry(const char *, time_t, int, struct bt_devinquiry **);
int     bt_devinfo(const char *, struct bt_devinfo *);
int     bt_devenum(bt_devenum_cb_t *, void *);

/*
 * bthcid(8) PIN Client API
 */

/* Client PIN Request packet */
typedef struct {
        bdaddr_t        laddr;                  /* local address */
        bdaddr_t        raddr;                  /* remote address */
        uint8_t         time;                   /* validity (seconds) */
} __packed bthcid_pin_request_t;

/* Client PIN Response packet */
typedef struct {
        bdaddr_t        laddr;                  /* local address */
        bdaddr_t        raddr;                  /* remote address */
        uint8_t         pin[HCI_PIN_SIZE];      /* PIN */
} __packed bthcid_pin_response_t;

/* Default socket name */
#define BTHCID_SOCKET_NAME      "/var/run/bthcid"

#ifdef COMPAT_BLUEZ
/*
 * Linux BlueZ compatibility
 */

#define bacmp(ba1, ba2) memcmp((ba1), (ba2), sizeof(bdaddr_t))
#define bacpy(dst, src) memcpy((dst), (src), sizeof(bdaddr_t))
#define ba2str(ba, str) bt_ntoa((ba), (str))
#define str2ba(str, ba) (bt_aton((str), (ba)) == 1 ? 0 : -1)

#define htobs(x)        htole16(x)
#define htobl(x)        htole32(x)
#define btohs(x)        le16toh(x)
#define btohl(x)        le32toh(x)

#define bt_malloc(n)    malloc(n)
#define bt_free(p)      free(p)

#endif  /* COMPAT_BLUEZ */

__END_DECLS

#endif /* ndef _BLUETOOTH_H_ */