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/**
* @file obex_body.c
*
* OBEX body reception releated functions.
* OpenOBEX library - Free implementation of the Object Exchange protocol.
*
* Copyright (c) 1999, 2000 Pontus Fuchs, All Rights Reserved.
* Copyright (c) 1999, 2000 Dag Brattli, All Rights Reserved.
* 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 <obex_body.h>
#include <obex_hdr.h>
#include <obex_main.h>
#include <obex_object.h>
int obex_body_rcv(struct obex_body *self, struct obex_hdr *hdr)
{
if (self && self->ops && self->ops->rcv)
return self->ops->rcv(self->data, hdr);
else
return -1;
}
const void * obex_body_read(struct obex_body *self, size_t *size)
{
if (self && self->ops && self->ops->read)
return self->ops->read(self->data, size);
else
return NULL;
}
static int obex_body_stream_rcv(void *self, struct obex_hdr *hdr)
{
obex_t *obex = self;
obex_object_t *object = obex->object;
uint8_t cmd = obex_object_getcmd(object);
enum obex_hdr_id id = obex_hdr_get_id(hdr);
enum obex_hdr_type type = obex_hdr_get_type(hdr);
size_t len = obex_hdr_get_data_size(hdr);
DEBUG(4, "\n");
/* Spare the app this empty nonlast body-hdr */
if (obex_hdr_get_id(hdr) == OBEX_HDR_ID_BODY &&
obex_hdr_get_data_size(hdr) == 0)
return 1;
/* Notify app that data has arrived */
object->body = hdr;
obex_deliver_event(obex, OBEX_EV_STREAMAVAIL, cmd, 0, FALSE);
object->body = NULL;
/* If send send EOS to app */
if (id == OBEX_HDR_ID_BODY_END && len != 0) {
object->body = obex_hdr_ptr_create(id, type, NULL, 0);
obex_deliver_event(obex, OBEX_EV_STREAMAVAIL, cmd, 0, FALSE);
obex_hdr_destroy(object->body);
object->body = NULL;
}
return 1;
}
static const void * obex_body_stream_read(void *self, size_t *size)
{
obex_t *obex = self;
obex_object_t *object = obex->object;
const void *buf = obex_hdr_get_data_ptr(object->body);
if (buf && size)
*size = obex_hdr_get_data_size(object->body);
return buf;
}
struct obex_body_ops obex_body_stream_ops = {
&obex_body_stream_rcv,
&obex_body_stream_read,
};
struct obex_body * obex_body_stream_create(obex_t *obex)
{
struct obex_body *self = calloc(1, sizeof(*self));
if (self) {
self->ops = &obex_body_stream_ops;
self->data = obex;
}
return self;
}
static int obex_body_buffered_rcv(void *self, struct obex_hdr *hdr)
{
obex_object_t *object = self;
const void *data = obex_hdr_get_data_ptr(hdr);
size_t len = obex_hdr_get_data_size(hdr);
DEBUG(4, "This is a body-header.\n");
if (!object->body) {
int alloclen = obex_hdr_get_data_size(hdr);
if (object->hinted_body_len)
alloclen = object->hinted_body_len;
DEBUG(4, "Allocating new body-buffer. Len=%d\n", alloclen);
object->body = obex_hdr_membuf_create(OBEX_HDR_ID_BODY,
OBEX_HDR_TYPE_BYTES,
data, len);
if (!object->body)
return -1;
} else {
struct databuffer *buf;
buf = obex_hdr_membuf_get_databuffer(object->body);
if (buf_append(buf, data, len) < 0)
return -1;
}
if (obex_hdr_get_id(hdr) == OBEX_HDR_ID_BODY_END) {
hdr = object->body;
object->body = NULL;
/* Add element to rx-list */
object->rx_headerq = slist_append(object->rx_headerq, hdr);
if (object->rx_it == NULL)
object->rx_it = obex_hdr_it_create(object->rx_headerq);
}
return 1;
}
static const void * obex_body_buffered_read(void *self, size_t *size)
{
obex_object_t *object = self;
const void *buf = obex_hdr_get_data_ptr(object->body);
if (buf && size)
*size = obex_hdr_get_data_size(object->body);
return buf;
}
struct obex_body_ops obex_body_buffered_ops = {
&obex_body_buffered_rcv,
&obex_body_buffered_read,
};
struct obex_body * obex_body_buffered_create(obex_object_t *object)
{
struct obex_body *self = calloc(1, sizeof(*self));
if (self) {
self->ops = &obex_body_buffered_ops;
self->data = object;
}
return self;
}
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