/*      $NetBSD: sdp_record.c,v 1.1 2009/05/12 10:05:06 plunky Exp $    */

/*-
* Copyright (c) 2009 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Iain Hibbert.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/

#include <sys/cdefs.h>
__RCSID("$NetBSD: sdp_record.c,v 1.1 2009/05/12 10:05:06 plunky Exp $");

#include <errno.h>
#include <sdp.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "sdp-int.h"

/*
* This is the interface to sdpd(8); These PDU IDs are NOT part
* of the Bluetooth specification.
*/

bool
sdp_record_insert(struct sdp_session *ss, bdaddr_t *bdaddr,
   uint32_t *handle, const sdp_data_t *rec)
{
       struct iovec    req[4];
       sdp_data_t      hdr;
       uint8_t         data[5];
       ssize_t         len;
       bdaddr_t        ba;
       uint16_t        ec;

       /*
        * setup BluetoothDeviceAddress
        */
       bdaddr_copy(&ba, (bdaddr == NULL) ? BDADDR_ANY : bdaddr);
       req[1].iov_base = &ba;
       req[1].iov_len = sizeof(bdaddr_t);

       /*
        * setup ServiceRecord
        */
       len = rec->end - rec->next;
       if (len < 0 || len > UINT16_MAX) {
               errno = EINVAL;
               return false;
       }

       hdr.next = data;
       hdr.end = data + sizeof(data) + len;
       sdp_put_seq(&hdr, len);
       req[2].iov_base = data;
       req[2].iov_len = hdr.next - data;

       req[3].iov_base = rec->next;
       req[3].iov_len = len;

       /*
        * InsertRecord Transaction
        */
       if (!_sdp_send_pdu(ss, SDP_PDU_RECORD_INSERT_REQUEST,
           req, __arraycount(req)))
               return false;

       len = _sdp_recv_pdu(ss, SDP_PDU_ERROR_RESPONSE);
       if (len == -1)
               return false;

       if (len != sizeof(uint16_t) + sizeof(uint32_t)) {
               errno = EIO;
               return false;
       }

       /*
        * extract and check ErrorCode (success == 0)
        */
       ec = be16dec(ss->ibuf);
       if (ec != 0) {
               errno = _sdp_errno(ec);
               return false;
       }

       /*
        * extract ServiceRecordHandle if required
        */
       if (handle != NULL)
               *handle = be32dec(ss->ibuf + sizeof(uint16_t));

       return true;
}

bool
sdp_record_update(struct sdp_session *ss, uint32_t handle,
   const sdp_data_t *rec)
{
       struct iovec    req[4];
       sdp_data_t      hdr;
       uint8_t         data[5];
       ssize_t         len;
       uint16_t        ec;

       /*
        * setup ServiceRecordHandle
        */
       handle = htobe32(handle);
       req[1].iov_base = &handle;
       req[1].iov_len = sizeof(handle);

       /*
        * setup ServiceRecord
        */
       len = rec->end - rec->next;
       if (len < 0 || len > UINT16_MAX) {
               errno = EINVAL;
               return false;
       }

       hdr.next = data;
       hdr.end = data + sizeof(data) + len;
       sdp_put_seq(&hdr, len);
       req[2].iov_base = data;
       req[2].iov_len = hdr.next - data;

       req[3].iov_base = rec->next;
       req[3].iov_len = len;

       /*
        * UpdateRecord Transaction
        */
       if (!_sdp_send_pdu(ss, SDP_PDU_RECORD_UPDATE_REQUEST,
           req, __arraycount(req)))
               return false;

       len = _sdp_recv_pdu(ss, SDP_PDU_ERROR_RESPONSE);
       if (len == -1)
               return false;

       if (len != sizeof(uint16_t)) {
               errno = EIO;
               return false;
       }

       /*
        * extract and check ErrorCode (success == 0)
        */
       if ((ec = be16dec(ss->ibuf)) != 0) {
               errno = _sdp_errno(ec);
               return false;
       }

       return true;
}

bool
sdp_record_remove(struct sdp_session *ss, uint32_t handle)
{
       struct iovec    req[2];
       ssize_t         len;
       uint16_t        ec;

       /*
        * setup ServiceRecordHandle
        */
       handle = htobe32(handle);
       req[1].iov_base = &handle;
       req[1].iov_len = sizeof(handle);

       /*
        * RemoveRecord Transaction
        */
       if (!_sdp_send_pdu(ss, SDP_PDU_RECORD_REMOVE_REQUEST,
           req, __arraycount(req)))
               return false;

       len = _sdp_recv_pdu(ss, SDP_PDU_ERROR_RESPONSE);
       if (len == -1)
               return false;

       if (len != sizeof(uint16_t)) {
               errno = EIO;
               return false;
       }

       /*
        * extract and check ErrorCode (success == 0)
        */
       ec = be16dec(ss->ibuf);
       if (ec != 0) {
               errno = _sdp_errno(ec);
               return false;
       }

       return true;
}