/* IRCfs - IRC FileServ for *nix.
 * Copyright (C) 2002  Nick 'Zaf' Clifford <zaf@nrc.co.nz>
 * For licensing details, refer to the LICENSE file in the source 
 * code directory.
 */
#include "module.h"
#include "file.h"
#include "str_hash.h"

/* A guess at the maximum number of handlers.
 * Doesn't need to be right. its for the hash bucket size
 */
#define GUESS_NUM_HANDLERS	10

MODULE_NAME("file");
MODULE_INIT(file_init);
MODULE_DESTROY(file_destroy);
MODULE_DEPENDS();
MODULE_REGISTER(file);

struct str_hash_table *file_handlers;
struct str_hash_table *dir_handlers;

POOL pool;

int register_file_handler(struct file_handler *fh)
{
	ASSERT_MODULE_LOADED();
	str_hash_add(file_handlers, fh->name,fh);	
	return 0;
}
int register_dir_handler(struct dir_handler *dh)
{
	ASSERT_MODULE_LOADED();
	str_hash_add(dir_handlers, dh->name,dh);	
	return 0;
}

struct file_handler *find_file_handler(const char *name)
{
	struct file_handler *fh;
	ASSERT_MODULE_LOADED();
	
	fh = str_hash_get(file_handlers, name);
	return fh;
}
struct dir_handler *find_dir_handler(const char *name)
{
	struct dir_handler *dh;
	ASSERT_MODULE_LOADED();
	
	dh = str_hash_get(dir_handlers, name);
	return dh;
}

int file_init()
{
	pool = pool_new(NULL);
	file_handlers = str_hash_create_n(pool,GUESS_NUM_HANDLERS);
	dir_handlers = str_hash_create_n(pool,GUESS_NUM_HANDLERS);
	return 0;
}

int file_destroy()
{
	return 0;
}

void file_set_app_data(struct file *f, void *appdata)
{
	f->appdata = appdata;
}
void *file_get_app_data(struct file *f)
{
	return f->appdata;
}

void dir_set_app_data(struct dir *d, void *appdata)
{
	d->appdata = appdata;
}
void *dir_get_app_data(struct dir *d)
{
	return d->appdata;
}