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/*-
* provider.c
*
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2004 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.
*
* $Id: provider.c,v 1.5 2004/01/13 01:54:39 max Exp $
* $FreeBSD$
*/
#include <sys/queue.h>
#define L2CAP_SOCKET_CHECKED
#include <bluetooth.h>
#include <string.h>
#include <stdlib.h>
#include "profile.h"
#include "provider.h"
static TAILQ_HEAD(, provider) providers = TAILQ_HEAD_INITIALIZER(providers);
static uint32_t change_state = 0;
static uint32_t handle = 0;
/*
* Register Service Discovery provider.
* Should not be called more the once.
*/
int32_t
provider_register_sd(int32_t fd)
{
extern profile_t sd_profile_descriptor;
extern profile_t bgd_profile_descriptor;
provider_p sd = calloc(1, sizeof(*sd));
provider_p bgd = calloc(1, sizeof(*bgd));
if (sd == NULL || bgd == NULL) {
if (sd != NULL)
free(sd);
if (bgd != NULL)
free(bgd);
return (-1);
}
sd->profile = &sd_profile_descriptor;
bgd->handle = 0;
sd->fd = fd;
TAILQ_INSERT_HEAD(&providers, sd, provider_next);
bgd->profile = &bgd_profile_descriptor;
bgd->handle = 1;
sd->fd = fd;
TAILQ_INSERT_AFTER(&providers, sd, bgd, provider_next);
change_state ++;
return (0);
}
/*
* Register new provider for a given profile, bdaddr and session.
*/
provider_p
provider_register(profile_p const profile, bdaddr_p const bdaddr, int32_t fd,
uint8_t const *data, uint32_t datalen)
{
provider_p provider = calloc(1, sizeof(*provider));
if (provider != NULL) {
provider->data = malloc(datalen);
if (provider->data != NULL) {
provider->profile = profile;
memcpy(provider->data, data, datalen);
/*
* Record handles 0x0 and 0x1 are reserved
* for SDP itself
*/
if (++ handle <= 1)
handle = 2;
provider->handle = handle;
memcpy(&provider->bdaddr, bdaddr,
sizeof(provider->bdaddr));
provider->fd = fd;
TAILQ_INSERT_TAIL(&providers, provider, provider_next);
change_state ++;
} else {
free(provider);
provider = NULL;
}
}
return (provider);
}
/*
* Unregister provider
*/
void
provider_unregister(provider_p provider)
{
TAILQ_REMOVE(&providers, provider, provider_next);
if (provider->data != NULL)
free(provider->data);
free(provider);
change_state ++;
}
/*
* Update provider data
*/
int32_t
provider_update(provider_p provider, uint8_t const *data, uint32_t datalen)
{
uint8_t *new_data = (uint8_t *) realloc(provider->data, datalen);
if (new_data == NULL)
return (-1);
memcpy(new_data, data, datalen);
provider->data = new_data;
return (0);
}
/*
* Get a provider for given record handle
*/
provider_p
provider_by_handle(uint32_t handle)
{
provider_p provider = NULL;
TAILQ_FOREACH(provider, &providers, provider_next)
if (provider->handle == handle)
break;
return (provider);
}
/*
* Cursor access
*/
provider_p
provider_get_first(void)
{
return (TAILQ_FIRST(&providers));
}
provider_p
provider_get_next(provider_p provider)
{
return (TAILQ_NEXT(provider, provider_next));
}
/*
* Return change state
*/
uint32_t
provider_get_change_state(void)
{
return (change_state);
}
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