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nuttx-apps/include/ftpc.h

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/****************************************************************************
* apps/include/ftpc.h
*
* Copyright (C) 2011, 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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_FTPC_H
#define __APPS_INCLUDE_FTPC_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdbool.h>
#include <signal.h>
#include <time.h>
#include <netinet/in.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
#ifndef CONFIG_FTP_DEFTIMEO
# define CONFIG_FTP_DEFTIMEO 30
#endif
#ifndef CONFIG_FTP_ANONPWD
# define CONFIG_FTP_ANONPWD ""
#endif
#ifndef CONFIG_FTP_DEFPORT
# define CONFIG_FTP_DEFPORT 21
#endif
#ifndef CONFIG_FTP_MAXREPLY
# define CONFIG_FTP_MAXREPLY 256
#endif
#ifndef CONFIG_FTP_TMPDIR
# define CONFIG_FTP_TMPDIR "/tmp"
#endif
#ifndef CONFIG_FTP_BUFSIZE
# define CONFIG_FTP_BUFSIZE 1024
#endif
#ifndef CONFIG_FTP_MAXPATH
# define CONFIG_FTP_MAXPATH 256
#endif
#ifndef CONFIG_FTP_SIGNAL
# define CONFIG_FTP_SIGNAL SIGUSR1
#endif
/* Interface arguments ******************************************************/
/* These definitions describe how a put operation should be performed */
#define FTPC_PUT_NORMAL 0 /* Just PUT the file on the server */
#define FTPC_PUT_APPEND 1 /* Append file to an existing file on the server */
#define FTPC_PUT_UNIQUE 2 /* Create a uniquely named file on the server */
#define FTPC_PUT_RESUME 3 /* Resume a previously started PUT transfer */
/* These definitions describe how a get operation should be performed */
#define FTPC_GET_NORMAL 0 /* Just GET the file from the server */
#define FTPC_GET_APPEND 1 /* Append new file to an existing file */
#define FTPC_GET_RESUME 3 /* Resume a previously started GET transfer */
/* Transfer mode encoding */
#define FTPC_XFRMODE_UNKNOWN 0 /* Nothing has been transferred yet */
#define FTPC_XFRMODE_ASCII 1 /* Last transfer was ASCII mode */
#define FTPC_XFRMODE_BINARY 2 /* Last transfer was binary mode */
/****************************************************************************
* Public Types
****************************************************************************/
/* This "handle" describes the FTP session */
typedef FAR void *SESSION;
/* This structure provides information to connect to a host FTP server.
*
* addr - The IPv4 address of the FTP server (or the proxy) for the FTP
* server.
* port - The port number on the FTP server to connect to (in host byte
* order). This is usually port 21 for FTP. You may set this
* value to zero to let FTPC select the default port number for
* you (it will use CONFIG_FTP_DEFPORT).
*/
struct ftpc_connect_s
{
struct in_addr addr; /* Server/proxy IP address */
uint16_t port; /* Server/proxy port number (usually 21) in network order */
};
/* This structure provides FTP login information */
struct ftpc_login_s
{
FAR const char *uname; /* Login uname */
FAR const char *pwd; /* Login pwd */
FAR const char *rdir; /* Initial remote directory */
bool pasv; /* true: passive connection mode */
};
/* This structure describes one simple directory listing. The directory
* list container as well the individual filename strings are allocated.
* The number of names in tha actual allocated array is variable, given
* by the nnames field.
*
* Since the structure and file names are allocated, they must be freed
* by calling ftpc_dirfree() when they are no longer needed. Allocated
* name strings may be "stolen" from the array but the pointer int the
* array should be nullified so that the string is not freed by
* ftpc_dirfree().
*/
struct ftpc_dirlist_s
{
unsigned int nnames; /* Number of entries in name[] array */
FAR char *name[1]; /* Filename with absolute path */
};
#define SIZEOF_FTPC_DIRLIST(n) \
(sizeof(struct ftpc_dirlist_s) + ((n)-1)*sizeof(FAR char *))
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/* Connection management ****************************************************/
SESSION ftpc_connect(FAR struct ftpc_connect_s *server);
void ftpc_disconnect(SESSION handle);
/* FTP commands *************************************************************/
int ftpc_login(SESSION handle, FAR struct ftpc_login_s *login);
int ftpc_quit(SESSION handle);
int ftpc_chdir(SESSION handle, FAR const char *path);
FAR char *ftpc_rpwd(SESSION handle);
int ftpc_cdup(SESSION handle);
int ftpc_mkdir(SESSION handle, FAR const char *path);
int ftpc_rmdir(SESSION handle, FAR const char *path);
int ftpc_unlink(SESSION handle, FAR const char *path);
int ftpc_chmod(SESSION handle, FAR const char *path, FAR const char *mode);
int ftpc_rename(SESSION handle, FAR const char *oldname, FAR const char *newname);
off_t ftpc_filesize(SESSION handle, FAR const char *path);
time_t ftpc_filetime(SESSION handle, FAR const char *filename);
int ftpc_idle(SESSION handle, unsigned int idletime);
int ftpc_noop(SESSION handle);
int ftpc_help(SESSION handle, FAR const char *arg);
/* Directory listings *******************************************************/
FAR struct ftpc_dirlist_s *ftpc_listdir(SESSION handle,
FAR const char *dirpath);
void ftpc_dirfree(FAR struct ftpc_dirlist_s *dirlist);
/* File transfers ***********************************************************/
int ftpc_getfile(SESSION handle, FAR const char *rname,
FAR const char *lname, uint8_t how, uint8_t xfrmode);
int ftp_putfile(SESSION handle, FAR const char *lname,
FAR const char *rname, uint8_t how, uint8_t xfrmode);
/* FTP response *************************************************************/
FAR char *ftpc_response(SESSION handle);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __APPS_INCLUDE_FTPC_H */
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