/*
 * Summary: minimal FTP implementation
 * Description: minimal FTP implementation allowing to fetch resources
 *              like external subset.
 *
 * Copy: See Copyright for the status of this software.
 *
 * Author: Daniel Veillard
 */
 
#ifndef __NANO_FTP_H__
#define __NANO_FTP_H__

#include "xmlversion.h"

#ifdef LIBXML_FTP_ENABLED

#ifdef __cplusplus
extern "C" {
#endif

/**
 * ftpListCallback: 
 * @userData:  user provided data for the callback
 * @filename:  the file name (including "->" when links are shown)
 * @attrib:  the attribute string
 * @owner:  the owner string
 * @group:  the group string
 * @size:  the file size
 * @links:  the link count
 * @year:  the year
 * @month:  the month
 * @day:  the day
 * @hour:  the hour
 * @minute:  the minute
 *
 * A callback for the xmlNanoFTPList command.
 * Note that only one of year and day:minute are specified.
 */
typedef void (*ftpListCallback) (void *userData,
                                 const char *filename, const char *attrib,
                                 const char *owner, const char *group,
                                 unsigned long size, int links, int year,
                                 const char *month, int day, int hour,
                                 int minute);
/**
 * ftpDataCallback: 
 * @userData: the user provided context
 * @data: the data received
 * @len: its size in bytes
 *
 * A callback for the xmlNanoFTPGet command.
 */
typedef void (*ftpDataCallback) (void *userData,
                                 const char *data,
                                 int len);

/*
 * Init
 */
XMLPUBFUN void XMLCALL
        xmlNanoFTPInit          (void);
XMLPUBFUN void XMLCALL  
        xmlNanoFTPCleanup       (void);

/*
 * Creating/freeing contexts.
 */
XMLPUBFUN void * XMLCALL        
        xmlNanoFTPNewCtxt       (const char *URL);
XMLPUBFUN void XMLCALL  
        xmlNanoFTPFreeCtxt      (void * ctx);
XMLPUBFUN void * XMLCALL        
        xmlNanoFTPConnectTo     (const char *server,
                                 int port);
/*
 * Opening/closing session connections.
 */
XMLPUBFUN void * XMLCALL        
        xmlNanoFTPOpen          (const char *URL);
XMLPUBFUN int XMLCALL   
        xmlNanoFTPConnect       (void *ctx);
XMLPUBFUN int XMLCALL   
        xmlNanoFTPClose         (void *ctx);
XMLPUBFUN int XMLCALL   
        xmlNanoFTPQuit          (void *ctx);
XMLPUBFUN void XMLCALL  
        xmlNanoFTPScanProxy     (const char *URL);
XMLPUBFUN void XMLCALL  
        xmlNanoFTPProxy         (const char *host,
                                 int port,
                                 const char *user,
                                 const char *passwd,
                                 int type);
XMLPUBFUN int XMLCALL   
        xmlNanoFTPUpdateURL     (void *ctx,
                                 const char *URL);

/*
 * Rather internal commands.
 */
XMLPUBFUN int XMLCALL   
        xmlNanoFTPGetResponse   (void *ctx);
XMLPUBFUN int XMLCALL   
        xmlNanoFTPCheckResponse (void *ctx);

/*
 * CD/DIR/GET handlers.
 */
XMLPUBFUN int XMLCALL   
        xmlNanoFTPCwd           (void *ctx,
                                 const char *directory);
XMLPUBFUN int XMLCALL   
        xmlNanoFTPDele          (void *ctx,
                                 const char *file);

XMLPUBFUN int XMLCALL   
        xmlNanoFTPGetConnection (void *ctx);
XMLPUBFUN int XMLCALL   
        xmlNanoFTPCloseConnection(void *ctx);
XMLPUBFUN int XMLCALL   
        xmlNanoFTPList          (void *ctx,
                                 ftpListCallback callback,
                                 void *userData,
                                 const char *filename);
XMLPUBFUN int XMLCALL   
        xmlNanoFTPGetSocket     (void *ctx,
                                 const char *filename);
XMLPUBFUN int XMLCALL   
        xmlNanoFTPGet           (void *ctx,
                                 ftpDataCallback callback,
                                 void *userData,
                                 const char *filename);
XMLPUBFUN int XMLCALL   
        xmlNanoFTPRead          (void *ctx,
                                 void *dest,
                                 int len);

#ifdef __cplusplus
}
#endif
#endif /* LIBXML_FTP_ENABLED */
#endif /* __NANO_FTP_H__ */
