1 /* opkg_hash.c - the opkg package management system
5 Copyright (C) 2002 Compaq Computer Corporation
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2, or (at
10 your option) any later version.
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
20 #include "hash_table.h"
22 #include "opkg_message.h"
23 #include "pkg_depends.h"
26 #include "parse_util.h"
27 #include "pkg_parse.h"
28 #include "opkg_utils.h"
29 #include "sprintf_alloc.h"
30 #include "file_util.h"
31 #include "libbb/libbb.h"
32 #include "libbb/gzip.h"
34 void pkg_hash_init(void)
36 hash_table_init("pkg-hash", &conf
->pkg_hash
,
37 OPKG_CONF_DEFAULT_HASH_LEN
);
40 static void free_pkgs(const char *key
, void *entry
, void *data
)
43 abstract_pkg_t
*ab_pkg
;
45 /* Each entry in the hash table is an abstract package, which contains
46 * a list of packages that provide the abstract package.
49 ab_pkg
= (abstract_pkg_t
*) entry
;
52 for (i
= 0; i
< ab_pkg
->pkgs
->len
; i
++) {
53 pkg_deinit(ab_pkg
->pkgs
->pkgs
[i
]);
54 free(ab_pkg
->pkgs
->pkgs
[i
]);
58 abstract_pkg_vec_free(ab_pkg
->provided_by
);
59 abstract_pkg_vec_free(ab_pkg
->replaced_by
);
60 pkg_vec_free(ab_pkg
->pkgs
);
61 free(ab_pkg
->depended_upon_by
);
66 void pkg_hash_deinit(void)
68 hash_table_foreach(&conf
->pkg_hash
, free_pkgs
, NULL
);
69 hash_table_deinit(&conf
->pkg_hash
);
73 pkg_hash_add_from_file(const char *file_name
,
74 pkg_src_t
* src
, pkg_dest_t
* dest
, int is_status_file
, int state_flags
,
75 void (*cb
)(pkg_t
*, void *), void *priv
)
80 const size_t len
= 4096;
82 struct gzip_handle zh
;
84 if (src
&& src
->gzip
) {
85 fp
= gzip_fdopen(&zh
, file_name
);
87 fp
= fopen(file_name
, "r");
91 opkg_perror(ERROR
, "Failed to open %s", file_name
);
101 pkg
->state_flag
|= state_flags
;
103 ret
= parse_from_stream_nomalloc(pkg_parse_line
, pkg
, fp
, 0,
106 if (pkg
->name
== NULL
) {
107 /* probably just a blank line */
117 /* Probably a blank line, continue parsing. */
122 if (!(pkg
->state_flag
& SF_NEED_DETAIL
)) {
123 //opkg_msg(DEBUG, "Package %s is unrelated, ignoring.\n", pkg->name);
129 if (!pkg_get_architecture(pkg
) || !pkg_get_arch_priority(pkg
)) {
130 char *version_str
= pkg_version_str_alloc(pkg
);
131 opkg_msg(NOTICE
, "Package %s version %s has no "
132 "valid architecture, ignoring.\n",
133 pkg
->name
, version_str
);
141 hash_insert_pkg(pkg
, is_status_file
);
148 if (src
&& src
->gzip
)
155 * Load in feed files from the cached "src" and/or "src/gz" locations.
157 int pkg_hash_load_feeds(int state_flags
, void (*cb
)(pkg_t
*, void *), void *priv
)
159 pkg_src_list_elt_t
*iter
;
161 char *list_file
, *lists_dir
;
163 opkg_msg(INFO
, "\n");
165 lists_dir
= conf
->restrict_to_default_dest
?
166 conf
->default_dest
->lists_dir
: conf
->lists_dir
;
168 for (iter
= void_list_first(&conf
->pkg_src_list
); iter
;
169 iter
= void_list_next(&conf
->pkg_src_list
, iter
)) {
171 src
= (pkg_src_t
*) iter
->data
;
173 sprintf_alloc(&list_file
, "%s/%s", lists_dir
, src
->name
);
175 if (file_exists(list_file
)) {
176 if (pkg_hash_add_from_file(list_file
, src
, NULL
, 0, state_flags
, cb
, priv
)) {
188 * Load in status files from the configured "dest"s.
190 int pkg_hash_load_status_files(void (*cb
)(pkg_t
*, void *), void *priv
)
192 pkg_dest_list_elt_t
*iter
;
195 opkg_msg(INFO
, "\n");
197 for (iter
= void_list_first(&conf
->pkg_dest_list
); iter
;
198 iter
= void_list_next(&conf
->pkg_dest_list
, iter
)) {
200 dest
= (pkg_dest_t
*) iter
->data
;
202 if (file_exists(dest
->status_file_name
)) {
203 if (pkg_hash_add_from_file
204 (dest
->status_file_name
, NULL
, dest
, 1, SF_NEED_DETAIL
, cb
, priv
))
213 pkg_hash_load_package_details_helper(const char *pkg_name
, void *entry
, void *data
)
216 abstract_pkg_t
*ab_pkg
= (abstract_pkg_t
*) entry
;
218 if (ab_pkg
->state_flag
& SF_NEED_DETAIL
) {
219 if (ab_pkg
->state_flag
& SF_MARKED
) {
220 opkg_msg(DEBUG
, "skipping already seen flagged abpkg %s\n",
225 opkg_msg(DEBUG
, "found yet incomplete flagged abpkg %s\n",
229 ab_pkg
->state_flag
|= SF_MARKED
;
233 int pkg_hash_load_package_details(void)
238 pkg_hash_load_feeds(0, NULL
, NULL
);
241 hash_table_foreach(&conf
->pkg_hash
, pkg_hash_load_package_details_helper
, &n_need_detail
);
243 if (n_need_detail
> 0)
244 opkg_msg(DEBUG
, "Found %d packages requiring details, reloading feeds\n", n_need_detail
);
253 pkg_hash_check_unresolved(pkg_t
*maybe
)
255 char **unresolved
= NULL
;
260 depends
= pkg_vec_alloc();
261 pkg_hash_fetch_unsatisfied_dependencies(maybe
, depends
, &unresolved
, 1);
270 pkg_vec_free(depends
);
275 pkg_t
*pkg_hash_fetch_best_installation_candidate(abstract_pkg_t
* apkg
,
276 int (*constraint_fcn
) (pkg_t
*
280 void *cdata
, int quiet
)
285 int wrong_arch_found
= 0;
287 int good_pkg_score
= 0;
288 pkg_vec_t
*matching_pkgs
;
289 abstract_pkg_vec_t
*matching_apkgs
;
290 abstract_pkg_vec_t
*provided_apkg_vec
;
291 abstract_pkg_t
**provided_apkgs
;
292 abstract_pkg_vec_t
*providers
;
293 pkg_t
*latest_installed_parent
= NULL
;
294 pkg_t
*latest_matching
= NULL
;
295 pkg_t
*priorized_matching
= NULL
;
296 pkg_t
*held_pkg
= NULL
;
297 pkg_t
*good_pkg_by_name
= NULL
;
299 if (apkg
== NULL
|| apkg
->provided_by
== NULL
300 || (apkg
->provided_by
->len
== 0))
303 matching_pkgs
= pkg_vec_alloc();
304 matching_apkgs
= abstract_pkg_vec_alloc();
305 providers
= abstract_pkg_vec_alloc();
307 opkg_msg(DEBUG
, "Best installation candidate for %s:\n", apkg
->name
);
309 provided_apkg_vec
= apkg
->provided_by
;
310 nprovides
= provided_apkg_vec
->len
;
311 provided_apkgs
= provided_apkg_vec
->pkgs
;
313 opkg_msg(DEBUG
, "apkg=%s nprovides=%d.\n", apkg
->name
,
316 /* accumulate all the providers */
317 for (i
= 0; i
< nprovides
; i
++) {
318 abstract_pkg_t
*provider_apkg
= provided_apkgs
[i
];
319 opkg_msg(DEBUG
, "Adding %s to providers.\n",
320 provider_apkg
->name
);
321 abstract_pkg_vec_insert(providers
, provider_apkg
);
323 nprovides
= providers
->len
;
325 for (i
= 0; i
< nprovides
; i
++) {
326 abstract_pkg_t
*provider_apkg
=
327 abstract_pkg_vec_get(providers
, i
);
328 abstract_pkg_t
*replacement_apkg
= NULL
;
331 if (provider_apkg
->replaced_by
332 && provider_apkg
->replaced_by
->len
) {
333 replacement_apkg
= provider_apkg
->replaced_by
->pkgs
[0];
334 if (provider_apkg
->replaced_by
->len
> 1) {
335 opkg_msg(NOTICE
, "Multiple replacers for %s, "
336 "using first one (%s).\n",
338 replacement_apkg
->name
);
342 if (replacement_apkg
)
344 "replacement_apkg=%s for provider_apkg=%s.\n",
345 replacement_apkg
->name
, provider_apkg
->name
);
347 if (replacement_apkg
&& (replacement_apkg
!= provider_apkg
)) {
348 if (abstract_pkg_vec_contains
349 (providers
, replacement_apkg
))
352 provider_apkg
= replacement_apkg
;
355 if (!(vec
= provider_apkg
->pkgs
)) {
356 opkg_msg(DEBUG
, "No pkgs for provider_apkg %s.\n",
357 provider_apkg
->name
);
361 /* now check for supported architecture */
365 /* count packages matching max arch priority and keep track of last one */
366 for (j
= 0; j
< vec
->len
; j
++) {
367 pkg_t
*maybe
= vec
->pkgs
[j
];
368 arch_priority
= pkg_get_arch_priority(maybe
);
371 "%s arch=%s arch_priority=%d version=%s.\n",
372 maybe
->name
, pkg_get_architecture(maybe
),
373 arch_priority
, pkg_get_string(maybe
, PKG_VERSION
));
374 /* We make sure not to add the same package twice. Need to search for the reason why
375 they show up twice sometimes. */
376 if ((arch_priority
> 0)
378 (!pkg_vec_contains(matching_pkgs
, maybe
))) {
379 if (!pkg_hash_check_unresolved(maybe
)) {
381 abstract_pkg_vec_insert(matching_apkgs
,
383 pkg_vec_insert(matching_pkgs
, maybe
);
388 if (vec
->len
> 0 && matching_pkgs
->len
< 1)
389 wrong_arch_found
= 1;
393 if (matching_pkgs
->len
< 1) {
394 if (wrong_arch_found
)
395 opkg_msg(ERROR
, "Packages for %s found, but"
396 " incompatible with the architectures configured\n",
398 pkg_vec_free(matching_pkgs
);
399 abstract_pkg_vec_free(matching_apkgs
);
400 abstract_pkg_vec_free(providers
);
404 if (matching_pkgs
->len
> 1)
405 pkg_vec_sort(matching_pkgs
,
406 pkg_name_version_and_architecture_compare
);
407 if (matching_apkgs
->len
> 1)
408 abstract_pkg_vec_sort(matching_apkgs
, abstract_pkg_name_compare
);
410 for (i
= 0; i
< matching_pkgs
->len
; i
++) {
411 pkg_t
*matching
= matching_pkgs
->pkgs
[i
];
412 if (constraint_fcn(matching
, cdata
)) {
414 if (strcmp(matching
->name
, apkg
->name
) == 0)
417 opkg_msg(DEBUG
, "Candidate: %s %s (score %d).\n",
418 matching
->name
, pkg_get_string(matching
, PKG_VERSION
),
420 if (score
< good_pkg_score
)
423 good_pkg_by_name
= matching
;
424 good_pkg_score
= score
;
425 /* It has been provided by hand, so it is what user want */
426 if (matching
->provided_by_hand
== 1)
431 for (i
= 0; i
< matching_pkgs
->len
; i
++) {
432 pkg_t
*matching
= matching_pkgs
->pkgs
[i
];
433 latest_matching
= matching
;
434 if (matching
->parent
->state_status
== SS_INSTALLED
435 || matching
->parent
->state_status
== SS_UNPACKED
)
436 latest_installed_parent
= matching
;
437 if (matching
->state_flag
& (SF_HOLD
| SF_PREFER
)) {
440 "Multiple packages (%s and %s) providing"
441 " same name marked HOLD or PREFER. "
442 "Using latest.\n", held_pkg
->name
,
448 if (!good_pkg_by_name
&& !held_pkg
&& !latest_installed_parent
449 && matching_apkgs
->len
> 1 && !quiet
) {
451 for (i
= 0; i
< matching_pkgs
->len
; i
++) {
452 pkg_t
*matching
= matching_pkgs
->pkgs
[i
];
453 arch_priority
= pkg_get_arch_priority(matching
);
454 if (arch_priority
> prio
) {
455 priorized_matching
= matching
;
456 prio
= arch_priority
;
457 opkg_msg(DEBUG
, "Match %s with priority %i.\n",
458 matching
->name
, prio
);
464 if (conf
->verbosity
>= INFO
&& matching_apkgs
->len
> 1) {
465 opkg_msg(INFO
, "%d matching pkgs for apkg=%s:\n",
466 matching_pkgs
->len
, apkg
->name
);
467 for (i
= 0; i
< matching_pkgs
->len
; i
++) {
468 pkg_t
*matching
= matching_pkgs
->pkgs
[i
];
469 opkg_msg(INFO
, "%s %s %s\n",
470 matching
->name
, pkg_get_string(matching
, PKG_VERSION
),
471 pkg_get_architecture(matching
));
475 nmatching
= matching_apkgs
->len
;
477 pkg_vec_free(matching_pkgs
);
478 abstract_pkg_vec_free(matching_apkgs
);
479 abstract_pkg_vec_free(providers
);
481 if (good_pkg_by_name
) { /* We found a good candidate, we will install it */
482 return good_pkg_by_name
;
485 opkg_msg(INFO
, "Using held package %s.\n", held_pkg
->name
);
488 if (latest_installed_parent
) {
490 "Using latest version of installed package %s.\n",
491 latest_installed_parent
->name
);
492 return latest_installed_parent
;
494 if (priorized_matching
) {
495 opkg_msg(INFO
, "Using priorized matching %s %s %s.\n",
496 priorized_matching
->name
, pkg_get_string(priorized_matching
, PKG_VERSION
),
497 pkg_get_architecture(priorized_matching
));
498 return priorized_matching
;
501 opkg_msg(INFO
, "No matching pkg out of %d matching_apkgs.\n",
505 if (latest_matching
) {
506 opkg_msg(INFO
, "Using latest matching %s %s %s.\n",
507 latest_matching
->name
, pkg_get_string(latest_matching
, PKG_VERSION
),
508 pkg_get_architecture(latest_matching
));
509 return latest_matching
;
514 static int pkg_name_constraint_fcn(pkg_t
* pkg
, void *cdata
)
516 const char *name
= (const char *)cdata
;
518 if (strcmp(pkg
->name
, name
) == 0)
524 static pkg_vec_t
*pkg_vec_fetch_by_name(const char *pkg_name
)
526 abstract_pkg_t
*ab_pkg
;
528 if (!(ab_pkg
= abstract_pkg_fetch_by_name(pkg_name
)))
534 if (ab_pkg
->provided_by
) {
535 abstract_pkg_t
*abpkg
=
536 abstract_pkg_vec_get(ab_pkg
->provided_by
, 0);
546 pkg_t
*pkg_hash_fetch_best_installation_candidate_by_name(const char *name
)
548 abstract_pkg_t
*apkg
= NULL
;
550 if (!(apkg
= abstract_pkg_fetch_by_name(name
)))
553 return pkg_hash_fetch_best_installation_candidate(apkg
,
554 pkg_name_constraint_fcn
,
558 pkg_t
*pkg_hash_fetch_by_name_version(const char *pkg_name
, const char *version
)
562 char *version_str
= NULL
;
564 if (!(vec
= pkg_vec_fetch_by_name(pkg_name
)))
567 for (i
= 0; i
< vec
->len
; i
++) {
568 version_str
= pkg_version_str_alloc(vec
->pkgs
[i
]);
569 if (!strcmp(version_str
, version
)) {
582 pkg_t
*pkg_hash_fetch_installed_by_name_dest(const char *pkg_name
,
588 if (!(vec
= pkg_vec_fetch_by_name(pkg_name
))) {
592 for (i
= 0; i
< vec
->len
; i
++)
593 if ((vec
->pkgs
[i
]->state_status
== SS_INSTALLED
594 || vec
->pkgs
[i
]->state_status
== SS_UNPACKED
)
595 && vec
->pkgs
[i
]->dest
== dest
) {
602 pkg_t
*pkg_hash_fetch_installed_by_name(const char *pkg_name
)
607 if (!(vec
= pkg_vec_fetch_by_name(pkg_name
))) {
611 for (i
= 0; i
< vec
->len
; i
++) {
612 if (vec
->pkgs
[i
]->state_status
== SS_INSTALLED
613 || vec
->pkgs
[i
]->state_status
== SS_UNPACKED
) {
622 pkg_hash_fetch_available_helper(const char *pkg_name
, void *entry
, void *data
)
625 abstract_pkg_t
*ab_pkg
= (abstract_pkg_t
*) entry
;
626 pkg_vec_t
*all
= (pkg_vec_t
*) data
;
627 pkg_vec_t
*pkg_vec
= ab_pkg
->pkgs
;
632 for (j
= 0; j
< pkg_vec
->len
; j
++) {
633 pkg_t
*pkg
= pkg_vec
->pkgs
[j
];
634 pkg_vec_insert(all
, pkg
);
638 void pkg_hash_fetch_available(pkg_vec_t
* all
)
640 hash_table_foreach(&conf
->pkg_hash
, pkg_hash_fetch_available_helper
,
645 pkg_hash_fetch_all_installed_helper(const char *pkg_name
, void *entry
,
648 abstract_pkg_t
*ab_pkg
= (abstract_pkg_t
*) entry
;
649 pkg_vec_t
*all
= (pkg_vec_t
*) data
;
650 pkg_vec_t
*pkg_vec
= ab_pkg
->pkgs
;
656 for (j
= 0; j
< pkg_vec
->len
; j
++) {
657 pkg_t
*pkg
= pkg_vec
->pkgs
[j
];
658 if (pkg
->state_status
== SS_INSTALLED
659 || pkg
->state_status
== SS_UNPACKED
)
660 pkg_vec_insert(all
, pkg
);
664 void pkg_hash_fetch_all_installed(pkg_vec_t
* all
)
666 hash_table_foreach(&conf
->pkg_hash
, pkg_hash_fetch_all_installed_helper
,
671 * This assumes that the abstract pkg doesn't exist.
673 static abstract_pkg_t
*add_new_abstract_pkg_by_name(const char *pkg_name
)
675 abstract_pkg_t
*ab_pkg
;
677 ab_pkg
= abstract_pkg_new();
679 ab_pkg
->name
= xstrdup(pkg_name
);
680 hash_table_insert(&conf
->pkg_hash
, pkg_name
, ab_pkg
);
685 abstract_pkg_t
*ensure_abstract_pkg_by_name(const char *pkg_name
)
687 abstract_pkg_t
*ab_pkg
;
689 if (!(ab_pkg
= abstract_pkg_fetch_by_name(pkg_name
)))
690 ab_pkg
= add_new_abstract_pkg_by_name(pkg_name
);
695 void hash_insert_pkg(pkg_t
* pkg
, int set_status
)
697 abstract_pkg_t
*ab_pkg
;
699 ab_pkg
= ensure_abstract_pkg_by_name(pkg
->name
);
701 ab_pkg
->pkgs
= pkg_vec_alloc();
703 if (pkg
->state_status
== SS_INSTALLED
) {
704 ab_pkg
->state_status
= SS_INSTALLED
;
705 } else if (pkg
->state_status
== SS_UNPACKED
) {
706 ab_pkg
->state_status
= SS_UNPACKED
;
711 buildProvides(ab_pkg
, pkg
);
713 init_providelist(pkg
, NULL
);
715 /* Need to build the conflicts graph before replaces for correct
716 * calculation of replaced_by relation.
720 buildReplaces(ab_pkg
, pkg
);
722 buildDependedUponBy(pkg
, ab_pkg
);
724 pkg_vec_insert_merge(ab_pkg
->pkgs
, pkg
, set_status
);
725 pkg
->parent
= ab_pkg
;
728 static const char *strip_offline_root(const char *file_name
)
732 if (conf
->offline_root
) {
733 len
= strlen(conf
->offline_root
);
734 if (strncmp(file_name
, conf
->offline_root
, len
) == 0)
741 void file_hash_remove(const char *file_name
)
743 file_name
= strip_offline_root(file_name
);
744 hash_table_remove(&conf
->file_hash
, file_name
);
747 pkg_t
*file_hash_get_file_owner(const char *file_name
)
749 file_name
= strip_offline_root(file_name
);
750 return hash_table_get(&conf
->file_hash
, file_name
);
753 void file_hash_set_file_owner(const char *file_name
, pkg_t
* owning_pkg
)
755 pkg_t
*old_owning_pkg
;
756 int file_name_len
= strlen(file_name
);
758 if (file_name
[file_name_len
- 1] == '/')
761 file_name
= strip_offline_root(file_name
);
763 old_owning_pkg
= hash_table_get(&conf
->file_hash
, file_name
);
764 hash_table_insert(&conf
->file_hash
, file_name
, owning_pkg
);
766 if (old_owning_pkg
) {
767 pkg_get_installed_files(old_owning_pkg
);
768 str_list_remove_elt(old_owning_pkg
->installed_files
, file_name
);
769 pkg_free_installed_files(old_owning_pkg
);
771 /* mark this package to have its filelist written */
772 old_owning_pkg
->state_flag
|= SF_FILELIST_CHANGED
;
773 owning_pkg
->state_flag
|= SF_FILELIST_CHANGED
;