/* pkg_hash.h - the opkg package management system

   Steven M. Ayer

   Copyright (C) 2002 Compaq Computer Corporation

   This program 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.

   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.
*/

#ifndef PKG_HASH_H
#define PKG_HASH_H

#include "pkg.h"
#include "pkg_src.h"
#include "pkg_dest.h"
#include "hash_table.h"


void pkg_hash_init(void);
void pkg_hash_deinit(void);

void pkg_hash_fetch_available(pkg_vec_t *available);

int dist_hash_add_from_file(const char *file_name, pkg_src_t *dist);
int pkg_hash_add_from_file(const char *file_name, pkg_src_t *src,
		pkg_dest_t *dest, int is_status_file);
int pkg_hash_load_feeds(void);
int pkg_hash_load_status_files(void);

void hash_insert_pkg(pkg_t *pkg, int set_status);

abstract_pkg_t * ensure_abstract_pkg_by_name(const char * pkg_name);
void pkg_hash_fetch_all_installed(pkg_vec_t *installed);
pkg_t * pkg_hash_fetch_by_name_version(const char *pkg_name,
				       const char * version);
pkg_t *pkg_hash_fetch_best_installation_candidate(abstract_pkg_t *apkg,
						  int (*constraint_fcn)(pkg_t *pkg, void *data), void *cdata, int quiet);
pkg_t *pkg_hash_fetch_best_installation_candidate_by_name(const char *name);
pkg_t *pkg_hash_fetch_installed_by_name(const char *pkg_name);
pkg_t *pkg_hash_fetch_installed_by_name_dest(const char *pkg_name,
					     pkg_dest_t *dest);

void file_hash_remove(const char *file_name);
pkg_t *file_hash_get_file_owner(const char *file_name);
void file_hash_set_file_owner(const char *file_name, pkg_t *pkg);

#endif