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/**
* @file obex_hdr_membuf.c
*
* OBEX header releated functions.
* OpenOBEX library - Free implementation of the Object Exchange protocol.
*
* Copyright (c) 2012 Hendrik Sattler, All Rights Reserved.
*
* OpenOBEX is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with OpenOBEX. If not, see <http://www.gnu.org/>.
*/
#include <membuf.h>
#include <obex_hdr.h>
#include <string.h>
struct obex_hdr_membuf {
enum obex_hdr_id id;
enum obex_hdr_type type;
struct databuffer *buf;
};
static
void * obex_hdr_membuf_new(enum obex_hdr_id id, enum obex_hdr_type type,
const void *value, size_t size)
{
struct obex_hdr_membuf *hdr = malloc(sizeof(*hdr));
if (!hdr)
return NULL;
hdr->id = id;
hdr->type = type;
hdr->buf = membuf_create(size);
if (hdr->buf == NULL) {
free(hdr);
return NULL;
}
buf_append(hdr->buf, value, size);
return hdr;
}
static
void obex_hdr_membuf_destroy(void *self)
{
struct obex_hdr_membuf *hdr = self;
buf_delete(hdr->buf);
free(hdr);
}
static
enum obex_hdr_id obex_hdr_membuf_get_id(void *self)
{
struct obex_hdr_membuf *hdr = self;
return hdr->id;
}
static
enum obex_hdr_type obex_hdr_membuf_get_type(void *self)
{
struct obex_hdr_membuf *hdr = self;
return hdr->type;
}
static
size_t obex_hdr_membuf_get_data_size(void *self)
{
struct obex_hdr_membuf *hdr = self;
return buf_get_length(hdr->buf);
}
static
const void * obex_hdr_membuf_get_data_ptr(void *self)
{
struct obex_hdr_membuf *hdr = self;
return buf_get(hdr->buf);
}
static
bool obex_hdr_membuf_set_data(void *self, const void *data, size_t size)
{
struct obex_hdr_membuf *hdr = self;
buf_clear(hdr->buf, buf_get_length(hdr->buf));
if (buf_set_size(hdr->buf, size) != 0)
return false;
memcpy(buf_get(hdr->buf), data, size);
return true;
}
static
struct obex_hdr_ops obex_hdr_membuf_ops = {
&obex_hdr_membuf_destroy,
&obex_hdr_membuf_get_id,
&obex_hdr_membuf_get_type,
&obex_hdr_membuf_get_data_size,
&obex_hdr_membuf_get_data_ptr,
&obex_hdr_membuf_set_data,
NULL,
NULL,
};
struct obex_hdr * obex_hdr_membuf_create(enum obex_hdr_id id,
enum obex_hdr_type type,
const void *data, size_t size)
{
void *buf = obex_hdr_membuf_new(id, type, data, size);
if (!buf)
return NULL;
return obex_hdr_new(&obex_hdr_membuf_ops, buf);
}
struct databuffer * obex_hdr_membuf_get_databuffer(struct obex_hdr *hdr)
{
struct obex_hdr_membuf *memhdr = hdr->data;
return memhdr->buf;
}
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