bluez/gobex/gobex-transfer.c

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/*
*
* OBEX library with GLib integration
*
* Copyright (C) 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "gobex.h"
#include "gobex-transfer.h"
static GSList *transfers = NULL;
struct transfer {
guint id;
guint8 opcode;
GObex *obex;
guint req_id;
GObexDataProducer data_producer;
GObexDataConsumer data_consumer;
GObexFunc complete_func;
gpointer user_data;
};
static void transfer_free(struct transfer *transfer)
{
transfers = g_slist_remove(transfers, transfer);
g_obex_unref(transfer->obex);
g_free(transfer);
}
static void transfer_complete(struct transfer *transfer, GError *err)
{
transfer->complete_func(transfer->obex, err, transfer->user_data);
transfer_free(transfer);
}
static void transfer_abort_response(GObex *obex, GError *err, GObexPacket *rsp,
gpointer user_data)
{
struct transfer *transfer = user_data;
/* Intentionally override error */
err = g_error_new(G_OBEX_ERROR, G_OBEX_ERROR_CANCELLED,
"Operation was aborted");
transfer_complete(transfer, err);
g_error_free(err);
}
static gssize put_get_data(GObexHeader *header, void *buf, gsize len,
gpointer user_data)
{
struct transfer *transfer = user_data;
GObexPacket *req;
GError *err = NULL;
gssize ret;
ret = transfer->data_producer(buf, len, transfer->user_data);
if (ret >= 0)
return ret;
req = g_obex_packet_new(G_OBEX_OP_ABORT, TRUE, NULL);
transfer->req_id = g_obex_send_req(transfer->obex, req, -1,
transfer_abort_response,
transfer, &err);
if (err != NULL) {
transfer_complete(transfer, err);
g_error_free(err);
}
return ret;
}
static void transfer_response(GObex *obex, GError *err, GObexPacket *rsp,
gpointer user_data)
{
struct transfer *transfer = user_data;
GObexPacket *req;
GObexHeader *hdr;
gboolean rspcode, final;
if (err != NULL) {
transfer_complete(transfer, err);
return;
}
rspcode = g_obex_packet_get_operation(rsp, &final);
if (rspcode != G_OBEX_RSP_SUCCESS && rspcode != G_OBEX_RSP_CONTINUE) {
GError *rsp_err;
rsp_err = g_error_new(G_OBEX_ERROR, G_OBEX_ERROR_FAILED,
"Transfer failed (0x%02x)", rspcode);
transfer_complete(transfer, rsp_err);
g_error_free(rsp_err);
return;
}
if (rspcode == G_OBEX_RSP_SUCCESS) {
transfer_complete(transfer, NULL);
return;
}
req = g_obex_packet_new(G_OBEX_OP_PUT, TRUE, NULL);
hdr = g_obex_header_new_on_demand(G_OBEX_HDR_ID_BODY, put_get_data,
transfer);
g_obex_packet_add_header(req, hdr);
transfer->req_id = g_obex_send_req(obex, req, -1, transfer_response,
transfer, &err);
if (err != NULL)
transfer_complete(transfer, err);
}
static struct transfer *transfer_new(GObex *obex, guint8 opcode,
GObexFunc complete_func, gpointer user_data)
{
static guint next_id = 1;
struct transfer *transfer;
transfer = g_new0(struct transfer, 1);
transfer->id = next_id++;
transfer->opcode = opcode;
transfer->obex = g_obex_ref(obex);
transfer->complete_func = complete_func;
transfer->user_data = user_data;
transfers = g_slist_append(transfers, transfer);
return transfer;
}
guint g_obex_put(GObex *obex, const char *type, const char *name,
GObexDataProducer data_func,
GObexFunc complete_func, gpointer user_data,
GError **err)
{
GObexPacket *req;
GObexHeader *hdr;
struct transfer *transfer;
transfer = transfer_new(obex, G_OBEX_OP_PUT, complete_func, user_data);
transfer->data_producer = data_func;
req = g_obex_packet_new(G_OBEX_OP_PUT, TRUE, NULL);
hdr = g_obex_header_new_on_demand(G_OBEX_HDR_ID_BODY,
put_get_data, transfer);
g_obex_packet_add_header(req, hdr);
transfer->req_id = g_obex_send_req(obex, req, -1, transfer_response,
transfer, err);
if (transfer->req_id == 0) {
transfer_free(transfer);
return 0;
}
return transfer->id;
}