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/* Gopher filesystem
Copyright (C) 2002 James A. Morrison <ja2morri@uwaterloo.ca>
Copyright (C) 2000 Igor Khavkine <igor@twu.net>
This file is part of the Gopherfs translator.
Gopherfs is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
Gopherfs 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, USA. */
#ifndef __GOPHERFS_H__
#define __GOPHERFS_H__
#include <stdlib.h>
#include <cthreads.h>
#include <maptime.h>
#include <sys/stat.h>
/* #include <pthreads.h> */
#include <error.h>
#include <netdb.h>
#include <hurd/hurd_types.h>
/* declaration of global config parapeters */
extern char *gopherfs_root_server;
extern unsigned short gopherfs_root_port;
extern char *gopherfs_server_dir;
extern int debug_flag;
extern volatile struct mapped_time_value *gopherfs_maptime;
/* handle all initial parameter parsing */
error_t gopherfs_parse_args (int argc, char **argv);
/* private data per `struct node' */
struct netnode
{
char *name;
char *selector;
char *server;
unsigned short port;
enum
{
GPHR_FILE = '0', /* Item is a file */
GPHR_DIR = '1', /* Item is a directory */
GPHR_CSOPH = '2', /* Item is a CSO phone-book server */
GPHR_ERROR = '3', /* Error */
GPHR_BINHEX = '4', /* Item is a BinHexed Macintosh file */
GPHR_DOSBIN = '5', /* Item is DOS binary archive of some sort */
GPHR_UUENC = '6', /* Item is a UNIX uuencoded file */
GPHR_SEARCH = '7', /* Item is an Index-Search server */
GPHR_TELNET = '8', /* Item points to a text-based telnet session */
GPHR_BIN = '9' /* Item is a binary file */
}
type;
/* directory entries if this is a directory */
struct node *ents;
boolean_t noents;
unsigned int num_ents;
/* XXX cache reference ? */
};
/* The filesystem data type */
struct gopherfs
{
struct node *root;
/* stat infrmation */
mode_t umask;
uid_t uid;
gid_t gid;
ino_t next_inode;
/* some kind of cache thingy */
};
/* global pointer to the filesystem */
extern struct gopherfs *gopherfs;
/* do a DNS lookup for NAME and store result in *ENT */
error_t lookup_host (char *name, struct hostent **ent);
/* store the remote socket in *FD after writing a gopher selector
to it */
error_t open_selector (struct netnode *node, int *fd);
/* make an instance of `struct netnode' with the specified parameters,
return NULL on error */
struct netnode *gopherfs_make_netnode (char type, char *name, char *selector,
char *server, unsigned short port);
/* fetch a directory node from the gopher server
DIR should already be locked */
error_t fill_dirnode (struct netnode *dir);
/* free an instance of `struct netnode' */
void free_netnode (struct netnode *node);
/* make an instance of `struct node' with the specified parameters,
return NULL on error */
struct node *gopherfs_make_node (char type, char *name, char *selector,
char *server, unsigned short port);
/* free an instance of `struct node' */
void free_node (struct node *node);
#endif /* __GOPHERFS_H__ */
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