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#ifndef _GPXE_FTP_H
#define _GPXE_FTP_H
/** @file
*
* File transfer protocol
*
*/
#include <stdint.h>
#include <gpxe/async.h>
#include <gpxe/tcp.h>
/** FTP default port */
#define FTP_PORT 21
/**
* FTP states
*
* These @b must be sequential, i.e. a successful FTP session must
* pass through each of these states in order.
*/
enum ftp_state {
FTP_CONNECT = 0,
FTP_USER,
FTP_PASS,
FTP_TYPE,
FTP_PASV,
FTP_RETR,
FTP_QUIT,
FTP_DONE,
};
/**
* An FTP request
*
*/
struct ftp_request {
/** Server address */
struct sockaddr_tcpip server;
/** File to download */
const char *filename;
/** Callback function
*
* @v data Received data
* @v len Length of received data
*
* This function is called for all data received from the
* remote server.
*/
void ( *callback ) ( char *data, size_t len );
/** Current state */
enum ftp_state state;
/** Amount of current message already transmitted */
size_t already_sent;
/** Buffer to be filled with data received via the control channel */
char *recvbuf;
/** Remaining size of recvbuf */
size_t recvsize;
/** FTP status code, as text */
char status_text[4];
/** Passive-mode parameters, as text */
char passive_text[24]; /* "aaa,bbb,ccc,ddd,eee,fff" */
/** TCP application for the control channel */
struct tcp_application tcp;
/** TCP application for the data channel */
struct tcp_application tcp_data;
/** Asynchronous operation for this FTP operation */
struct async_operation aop;
};
struct async_operation * ftp_get ( struct ftp_request *ftp );
#endif /* _GPXE_FTP_H */
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