nuttx-apps/include/netutils/tftp.h

108 lines
4.2 KiB
C

/****************************************************************************
* apps/include/netutils/tftp.h
*
* Copyright (C) 2008-2009, 2011, 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
* Copyright (C) 2018 Sebastien Lorquet. All rights reserved.
* Author: Sebastien Lorquet <sebastien@lorquet.fr>
*
* 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.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
* COPYRIGHT OWNER 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.
*
****************************************************************************/
#ifndef __APPS_INCLUDE_NETUTILS_TFTP_H
#define __APPS_INCLUDE_NETUTILS_TFTP_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdbool.h>
#include <arpa/inet.h>
/****************************************************************************
* Public Type Definitions
****************************************************************************/
/****************************************************************************
* Name: tftp_callback_t
*
* Description: This callback type is used for data exchange with the tftp
* protocol handler.
*
* Input Parameters:
* ctx - pointer passed to the get or put TFTP function
* offset - GET: Always zero
* PUT: Data offset within the transmitted file
* buf - GET: Pointer to the received data
* PUT: Location of data buffer that will be transferred
* len - GET: Size of the received data (usually 512)
* PUT: Size of the provided buffer
* Return value:
* GET: Number of bytes that were written to the destination by the user
* PUT: Number of bytes that were retrieved from the user data source
*
****************************************************************************/
typedef ssize_t (*tftp_callback_t)(FAR void *ctx, uint32_t offset,
FAR uint8_t *buf, size_t len);
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
int tftpget_cb(FAR const char *remote, in_addr_t addr, bool binary,
tftp_callback_t cb, FAR void *ctx);
int tftpput_cb(FAR const char *remote, in_addr_t addr, bool binary,
tftp_callback_t cb, FAR void *ctx);
#if CONFIG_NFILE_DESCRIPTORS > 0
int tftpget(FAR const char *remote, FAR const char *local, in_addr_t addr,
bool binary);
int tftpput(FAR const char *local, FAR const char *remote, in_addr_t addr,
bool binary);
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __APPS_INCLUDE_NETUTILS_TFTP_H */