/*  conn.h: BetaFTPD connection class
    Copyright (C) 1999-2000 Steinar H. Gunderson, 2001 Dan Kegel

    This program is is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License, version 2 if the
    License 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

#ifndef CONN_H
#define CONN_H 1

class FtpServer;

/* FIXME: these should be methods */
#if WANT_MESSAGE
void dump_file(struct conn * const c, const int num, const char * const filename);
void list_readmes(struct conn * const c);
#endif

/* doubly linked list of active connections */
class conn : public Poller::Client, public list_element {
public:

/* Public Methods */
	conn *init(FtpServer *container, const int sock);

	void shutdown();

	void numeric(const int numeric, const char * const format, ...);

	virtual int notifyPollEvent(Poller::PollEvent *e);

/* Public Data Members */
/* FIXME: all should be private */

#define c_prev_conn prev
#define c_next_conn next
	struct ftran *c_transfer;
	time_t c_last_transfer;
	int c_rest_pos;

private:

/* Private Data Members */

	int c_sock;
#if WANT_STAT
	struct sockaddr c_addr;
#endif
	char c_recv_buf[256];
#if WANT_FULLSCREEN
	char c_last_cmd[256];
#endif
	char c_rename_from[256];

	int c_buf_len;
	int c_auth;

	char c_username[17];

	uid_t c_uid;
	char c_root_dir[256];
	char c_curr_dir[256];

#if WANT_ASCII
	int c_ascii_mode;
#endif

	static const struct handler handler_table[];

/* Private methods */

	void parse_command();

	int do_chdir(const char * const newd);
	char *do_pwd(char * const retbuf, const char * const dir);
	void do_store(const int append);
	void cmd_cwd_internal(const char * const newd);
	char *translate_path(char * const path);
	int do_openfile(char * const path, char * const filename, const int flags
#if WANT_NONROOT
		, const int check_permission
#endif
	);
	int prepare_for_listing(char ** const ptr, struct list_options * const lo);
	void do_listing(struct list_options * const lo);
	int get_num_files(const char * const path, struct list_options * const lo);
	int list_core(const char * const pathname,
   		   char * const disp_pathname, struct list_options * const lo
#if HAVE_MMAP
		, const int size, int pos
#endif
	);

	void remove_bytes(const int i);

	int cmd_user(void);
	int cmd_pass(void);
	int cmd_acct(void);
	int cmd_port(void);
	int cmd_pasv(void);
	int cmd_pwd(void);
	int cmd_cwd(void);
	int cmd_cdup(void);
	int cmd_rest(void);
	int cmd_retr(void);
	int cmd_size(void);
	int cmd_mdtm(void);
	int cmd_abor(void);
	int cmd_dele(void);
	int cmd_rnfr(void);
	int cmd_rnto(void);
	int cmd_mkd(void);
	int cmd_rmd(void);
	int cmd_allo(void);
	int cmd_stat(void);
	int cmd_list(void);
	int cmd_nlst(void);
	int cmd_syst(void);
	int cmd_noop(void);
	int cmd_type(void);
	int cmd_mode(void);
	int cmd_stru(void);
	int cmd_help(void);
	int cmd_quit(void);
	int cmd_rein(void);

#if WANT_UPLOAD
	int cmd_stor(void);
	int cmd_appe(void);
#endif

#if DOING_PROFILING
	int cmd_exit(void);	
#endif

};
#endif