1 /* ipkg_hash.c - the itsy 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.
24 #include "hash_table.h"
26 #include "ipkg_message.h"
29 #include "pkg_parse.h"
30 #include "ipkg_utils.h"
32 static abstract_pkg_t
* add_new_abstract_pkg_by_name(hash_table_t
* hash
, const char * pkg_name
);
35 * this will talk to both feeds-lists files and installed status files
39 * pkg_hash_init(name, &hash, 1000);
40 * pkg_hash_add_from_file(<feed filename>);
42 * the query function is just there as a shell to prove to me that this
43 * sort of works, but isn't far from doing something useful
46 * modified: CDW 3 Jan. 2002
51 int pkg_hash_init(const char *name
, hash_table_t
*hash
, int len
)
53 return hash_table_init(name
, hash
, len
);
56 void pkg_hash_deinit(hash_table_t
*hash
)
58 hash_table_deinit(hash
);
62 /* Find the default arch for a given package status file if none is given. */
63 static char *pkg_get_default_arch(ipkg_conf_t
*conf
)
65 nv_pair_list_elt_t
*l
;
66 char *def_arch
= HOST_CPU_STR
; /* Default arch */
67 int def_prio
= 0; /* Other archs override this */
69 l
= conf
->arch_list
.head
;
72 nv_pair_t
*nv
= l
->data
;
73 int priority
= strtol(nv
->value
, NULL
, 0);
75 /* Check if this arch has higher priority, and is valid */
76 if ((priority
> def_prio
) &&
77 (strcmp(nv
->name
, "all")) && (strcmp(nv
->name
, "noarch"))) {
85 return strdup(def_arch
);
88 int pkg_hash_add_from_file(ipkg_conf_t
*conf
, const char *file_name
,
89 pkg_src_t
*src
, pkg_dest_t
*dest
, int is_status_file
)
91 hash_table_t
*hash
= &conf
->pkg_hash
;
96 raw
= raw_start
= read_raw_pkgs_from_file(file_name
);
100 while(*raw
){ /* don't worry, we'll increment raw in the parsing function */
105 if (pkg_parse_raw(pkg
, &raw
, src
, dest
) == 0) {
106 if (!pkg
->architecture
) {
107 char *version_str
= pkg_version_str_alloc(pkg
);
108 pkg
->architecture
= pkg_get_default_arch(conf
);
109 ipkg_message(conf
, IPKG_ERROR
, "Package %s version %s has no architecture specified, defaulting to %s.\n",
110 pkg
->name
, version_str
, pkg
->architecture
);
113 hash_insert_pkg(hash
, pkg
, is_status_file
,conf
);
119 /* XXX: CLEANUP: I'd like a cleaner interface for cleaning up
120 memory after read_raw_pkgs_from_file */
129 abstract_pkg_t
* abstract_pkg_fetch_by_name(hash_table_t
* hash
, const char * pkg_name
)
131 return (abstract_pkg_t
*)hash_table_get(hash
, pkg_name
);
134 abstract_pkg_vec_t
*pkg_hash_fetch_all_installation_candidates(hash_table_t
*hash
, const char *name
)
136 abstract_pkg_t
*apkg
= abstract_pkg_fetch_by_name(hash
, name
);
139 return apkg
->provided_by
;
143 pkg_t
*pkg_hash_fetch_best_installation_candidate(ipkg_conf_t
*conf
, abstract_pkg_t
*apkg
,
144 int (*constraint_fcn
)(pkg_t
*pkg
, void *cdata
), void *cdata
, int quiet
)
149 pkg_vec_t
*matching_pkgs
= pkg_vec_alloc();
150 abstract_pkg_vec_t
*matching_apkgs
= abstract_pkg_vec_alloc();
151 abstract_pkg_vec_t
*provided_apkg_vec
;
152 abstract_pkg_t
**provided_apkgs
;
153 abstract_pkg_vec_t
*providers
= abstract_pkg_vec_alloc();
154 pkg_t
*latest_installed_parent
= NULL
;
155 pkg_t
*latest_matching
= NULL
;
156 pkg_t
*held_pkg
= NULL
;
157 pkg_t
*good_pkg_by_name
= NULL
;
159 if (matching_apkgs
== NULL
|| providers
== NULL
||
160 apkg
== NULL
|| apkg
->provided_by
== NULL
|| (apkg
->provided_by
->len
== 0))
163 ipkg_message(conf
, IPKG_DEBUG
, "best installation candidate for %s\n", apkg
->name
);
165 provided_apkg_vec
= apkg
->provided_by
;
166 nprovides
= provided_apkg_vec
->len
;
167 provided_apkgs
= provided_apkg_vec
->pkgs
;
169 ipkg_message(conf
, IPKG_DEBUG
, " apkg=%s nprovides=%d\n", apkg
->name
, nprovides
);
171 /* accumulate all the providers */
172 for (i
= 0; i
< nprovides
; i
++) {
173 abstract_pkg_t
*provider_apkg
= provided_apkgs
[i
];
174 ipkg_message(conf
, IPKG_DEBUG
, " adding %s to providers\n", provider_apkg
->name
);
175 abstract_pkg_vec_insert(providers
, provider_apkg
);
177 nprovides
= providers
->len
;
179 for (i
= 0; i
< nprovides
; i
++) {
180 abstract_pkg_t
*provider_apkg
= abstract_pkg_vec_get(providers
, i
);
181 abstract_pkg_t
*replacement_apkg
= NULL
;
184 if (provider_apkg
->replaced_by
&& provider_apkg
->replaced_by
->len
) {
185 replacement_apkg
= provider_apkg
->replaced_by
->pkgs
[0];
186 if (provider_apkg
->replaced_by
->len
> 1) {
187 ipkg_message(conf
, IPKG_NOTICE
, "Multiple replacers for %s, using first one (%s)\n",
188 provider_apkg
->name
, replacement_apkg
->name
);
192 if (replacement_apkg
)
193 ipkg_message(conf
, IPKG_DEBUG
, " replacement_apkg=%s for provider_apkg=%s\n",
194 replacement_apkg
->name
, provider_apkg
->name
);
196 if (replacement_apkg
&& (replacement_apkg
!= provider_apkg
)) {
197 if (abstract_pkg_vec_contains(providers
, replacement_apkg
))
200 provider_apkg
= replacement_apkg
;
203 if (!(vec
= provider_apkg
->pkgs
)) {
204 ipkg_message(conf
, IPKG_DEBUG
, " no pkgs for provider_apkg %s\n", provider_apkg
->name
);
209 /* now check for supported architecture */
214 /* count packages matching max arch priority and keep track of last one */
215 for (i
= 0; i
< vec
->len
; i
++) {
216 pkg_t
*maybe
= vec
->pkgs
[i
];
217 ipkg_message(conf
, IPKG_DEBUG
, " %s arch=%s arch_priority=%d version=%s \n",
218 maybe
->name
, maybe
->architecture
, maybe
->arch_priority
, maybe
->version
);
219 if (maybe
->arch_priority
> 0) {
221 abstract_pkg_vec_insert(matching_apkgs
, maybe
->parent
);
222 pkg_vec_insert(matching_pkgs
, maybe
);
228 if (matching_pkgs
->len
> 1)
229 pkg_vec_sort(matching_pkgs
, pkg_name_version_and_architecture_compare
);
230 if (matching_apkgs
->len
> 1)
231 abstract_pkg_vec_sort(matching_pkgs
, abstract_pkg_name_compare
);
233 /* Here it is usefull, if ( matching_apkgs->len > 1 ), to test if one of this matching packages has the same name of the
234 needed package. In this case, I would return it for install, otherwise I will continue with the procedure */
235 /* The problem is what to do when there are more than a mathing package, with the same name and several version ?
236 Until now I always got the latest, but that breaks the downgrade option.
237 If I stop at the first one, I would probably miss the new ones
238 Maybe the way is to have some kind of flag somewhere, to see if the package been asked to install is from a file,
239 or from a Packages feed.
240 It it is from a file it always need to be checked whatever version I have in feeds or everywhere, according to force-down or whatever options*/
243 for (i
= 0; i
< matching_pkgs
->len
; i
++) {
244 pkg_t
*matching
= matching_pkgs
->pkgs
[i
];
245 if (constraint_fcn(matching
, cdata
)) { /* We found it */
246 ipkg_message(conf
, IPKG_DEBUG
, " Found a valid candidate for the install: %s %s \n", matching
->name
, matching
->version
) ;
247 good_pkg_by_name
= matching
;
248 if ( matching
->provided_by_hand
== 1 ) /* It has been provided by hand, so it is what user want */
254 for (i
= 0; i
< matching_pkgs
->len
; i
++) {
255 pkg_t
*matching
= matching_pkgs
->pkgs
[i
];
256 latest_matching
= matching
;
257 if (matching
->parent
->state_status
== SS_INSTALLED
|| matching
->parent
->state_status
== SS_UNPACKED
)
258 latest_installed_parent
= matching
;
259 if (matching
->state_flag
& (SF_HOLD
|SF_PREFER
)) {
261 ipkg_message(conf
, IPKG_ERROR
, "Multiple packages (%s and %s) providing same name marked HOLD or PREFER. Using latest.\n",
262 held_pkg
->name
, matching
->name
);
267 if (!good_pkg_by_name
&& !held_pkg
&& !latest_installed_parent
&& matching_apkgs
->len
> 1 && !quiet
) {
268 ipkg_message(conf
, IPKG_ERROR
, "Package=%s, %d matching providers\n",
269 apkg
->name
, matching_apkgs
->len
);
270 for (i
= 0; i
< matching_apkgs
->len
; i
++) {
271 abstract_pkg_t
*matching
= matching_apkgs
->pkgs
[i
];
272 ipkg_message(conf
, IPKG_ERROR
, " %s\n", matching
->name
);
274 ipkg_message(conf
, IPKG_ERROR
, "Please select one with ipkg install or ipkg flag prefer\n");
277 if (matching_apkgs
->len
> 1 && conf
->verbosity
> 1) {
278 ipkg_message(conf
, IPKG_NOTICE
, "%s: for apkg=%s, %d matching pkgs\n",
279 __FUNCTION__
, apkg
->name
, matching_pkgs
->len
);
280 for (i
= 0; i
< matching_pkgs
->len
; i
++) {
281 pkg_t
*matching
= matching_pkgs
->pkgs
[i
];
282 ipkg_message(conf
, IPKG_INFO
, " %s %s %s\n",
283 matching
->name
, matching
->version
, matching
->architecture
);
287 nmatching
= matching_apkgs
->len
;
289 pkg_vec_free(matching_pkgs
);
290 abstract_pkg_vec_free(matching_apkgs
);
291 abstract_pkg_vec_free(providers
);
293 if (good_pkg_by_name
) { /* We found a good candidate, we will install it */
294 return good_pkg_by_name
;
297 ipkg_message(conf
, IPKG_INFO
, " using held package %s\n", held_pkg
->name
);
300 if (latest_installed_parent
) {
301 ipkg_message(conf
, IPKG_INFO
, " using latest version of installed package %s\n", latest_installed_parent
->name
);
302 return latest_installed_parent
;
305 ipkg_message(conf
, IPKG_INFO
, " no matching pkg out of matching_apkgs=%d\n", nmatching
);
308 if (latest_matching
) {
309 ipkg_message(conf
, IPKG_INFO
, " using latest matching %s %s %s\n",
310 latest_matching
->name
, latest_matching
->version
, latest_matching
->architecture
);
311 return latest_matching
;
316 static int pkg_name_constraint_fcn(pkg_t
*pkg
, void *cdata
)
318 const char *name
= (const char *)cdata
;
319 if (strcmp(pkg
->name
, name
) == 0)
325 pkg_t
*pkg_hash_fetch_best_installation_candidate_by_name(ipkg_conf_t
*conf
, const char *name
)
327 hash_table_t
*hash
= &conf
->pkg_hash
;
328 abstract_pkg_t
*apkg
= NULL
;
330 if (!(apkg
= abstract_pkg_fetch_by_name(hash
, name
)))
333 return pkg_hash_fetch_best_installation_candidate(conf
, apkg
, pkg_name_constraint_fcn
, apkg
->name
, 0);
337 pkg_t
* pkg_hash_fetch_by_name_version(hash_table_t
*hash
,
338 const char *pkg_name
,
339 const char * version
)
343 char *version_str
= NULL
;
345 if(!(vec
= pkg_vec_fetch_by_name(hash
, pkg_name
)))
348 for(i
= 0; i
< vec
->len
; i
++) {
349 version_str
= pkg_version_str_alloc(vec
->pkgs
[i
]);
350 if(!strcmp(version_str
, version
)) {
363 pkg_t
*pkg_hash_fetch_installed_by_name_dest(hash_table_t
*hash
,
364 const char *pkg_name
,
370 if(!(vec
= pkg_vec_fetch_by_name(hash
, pkg_name
))) {
374 for(i
= 0; i
< vec
->len
; i
++)
375 if((vec
->pkgs
[i
]->state_status
== SS_INSTALLED
|| vec
->pkgs
[i
]->state_status
== SS_UNPACKED
) && vec
->pkgs
[i
]->dest
== dest
) {
381 pkg_t
*pkg_hash_fetch_installed_by_name(hash_table_t
*hash
,
382 const char *pkg_name
)
387 if(!(vec
= pkg_vec_fetch_by_name(hash
, pkg_name
))){
391 for(i
= 0; i
< vec
->len
; i
++)
392 if (vec
->pkgs
[i
]->state_status
== SS_INSTALLED
|| vec
->pkgs
[i
]->state_status
== SS_UNPACKED
){
399 pkg_vec_t
*pkg_vec_fetch_by_name(hash_table_t
*hash
, const char *pkg_name
)
401 abstract_pkg_t
* ab_pkg
;
403 if(!(ab_pkg
= abstract_pkg_fetch_by_name(hash
, pkg_name
))){
409 } else if (ab_pkg
->provided_by
) {
410 abstract_pkg_t
*abpkg
= abstract_pkg_vec_get(ab_pkg
->provided_by
, 0);
421 static int pkg_compare_names(const void *p1
, const void *p2
)
423 const pkg_t
*pkg1
= *(const pkg_t
**)p1
;
424 const pkg_t
*pkg2
= *(const pkg_t
**)p2
;
425 if (pkg1
->name
== NULL
)
427 if (pkg2
->name
== NULL
)
429 return(strcmp(pkg1
->name
, pkg2
->name
));
433 static void pkg_hash_fetch_available_helper(const char *pkg_name
, void *entry
, void *data
)
436 abstract_pkg_t
*ab_pkg
= (abstract_pkg_t
*)entry
;
437 pkg_vec_t
*all
= (pkg_vec_t
*)data
;
438 pkg_vec_t
*pkg_vec
= ab_pkg
->pkgs
;
440 for (j
= 0; j
< pkg_vec
->len
; j
++) {
441 pkg_t
*pkg
= pkg_vec
->pkgs
[j
];
442 pkg_vec_insert(all
, pkg
);
447 void pkg_hash_fetch_available(hash_table_t
*hash
, pkg_vec_t
*all
)
449 hash_table_foreach(hash
, pkg_hash_fetch_available_helper
, all
);
450 qsort(all
->pkgs
, all
->len
, sizeof(pkg_t
*), pkg_compare_names
);
453 static void pkg_hash_fetch_all_installed_helper(const char *pkg_name
, void *entry
, void *data
)
455 abstract_pkg_t
*ab_pkg
= (abstract_pkg_t
*)entry
;
456 pkg_vec_t
*all
= (pkg_vec_t
*)data
;
457 pkg_vec_t
*pkg_vec
= ab_pkg
->pkgs
;
460 for (j
= 0; j
< pkg_vec
->len
; j
++) {
461 pkg_t
*pkg
= pkg_vec
->pkgs
[j
];
462 if (pkg
->state_status
== SS_INSTALLED
|| pkg
->state_status
== SS_UNPACKED
) {
463 pkg_vec_insert(all
, pkg
);
468 void pkg_hash_fetch_all_installed(hash_table_t
*hash
, pkg_vec_t
*all
)
470 hash_table_foreach(hash
, pkg_hash_fetch_all_installed_helper
, all
);
471 qsort(all
->pkgs
, all
->len
, sizeof(void*), pkg_compare_names
);
474 static void pkg_hash_dump_helper(const char *pkg_name
, void *entry
, void *data
)
478 abstract_pkg_t
*ab_pkg
= (abstract_pkg_t
*)entry
;
479 ipkg_conf_t
*conf
= (ipkg_conf_t
*)data
;
480 abstract_pkg_t
** dependents
= ab_pkg
->depended_upon_by
;
481 fprintf(stdout
, "%s\n", ab_pkg
->name
);
483 if (dependents
!= NULL
)
484 while (dependents
[i
] != NULL
)
485 printf ("\tdepended upon by - %s\n", dependents
[i
++]->name
);
486 dependents
= ab_pkg
->provided_by
->pkgs
;
488 if (dependents
!= NULL
)
489 while (dependents
[i
] != NULL
&& i
< ab_pkg
->provided_by
->len
)
490 printf ("\tprovided by - %s\n", dependents
[i
++]->name
);
491 pkg
= pkg_hash_fetch_best_installation_candidate_by_name (conf
, ab_pkg
->name
);
494 while (i
< pkg
->depends_count
)
495 printf ("\tdepends on - %s\n", pkg
->depends_str
[i
++]);
498 void pkg_hash_dump(hash_table_t
*hash
, void *data
)
501 printf ("\n\n+=+%s+=+\n\n", __FUNCTION__
);
502 hash_table_foreach(hash
, pkg_hash_dump_helper
, data
);
503 printf ("\n+=+%s+=+\n\n", __FUNCTION__
);
506 abstract_pkg_t
* ensure_abstract_pkg_by_name(hash_table_t
* hash
, const char * pkg_name
)
508 abstract_pkg_t
* ab_pkg
;
510 if(!(ab_pkg
= abstract_pkg_fetch_by_name(hash
, pkg_name
)))
511 ab_pkg
= add_new_abstract_pkg_by_name(hash
, pkg_name
);
516 pkg_t
*hash_insert_pkg(hash_table_t
*hash
, pkg_t
*pkg
, int set_status
,ipkg_conf_t
*conf
)
518 abstract_pkg_t
* ab_pkg
;
524 arch_priority
= pkg
->arch_priority
;
526 if (buildDepends(hash
, pkg
)<0){
527 fprintf(stderr
, "%s : This should never happen. Report this Bug in bugzilla please \n ",__FUNCTION__
);
530 ab_pkg
= ensure_abstract_pkg_by_name(hash
, pkg
->name
);
533 if (pkg
->state_status
== SS_INSTALLED
) {
534 ab_pkg
->state_status
= SS_INSTALLED
;
535 } else if (pkg
->state_status
== SS_UNPACKED
) {
536 ab_pkg
->state_status
= SS_UNPACKED
;
541 ab_pkg
->pkgs
= pkg_vec_alloc();
543 /* pkg_vec_insert_merge might munge package, but it returns an unmunged pkg */
544 pkg
= pkg_vec_insert_merge(ab_pkg
->pkgs
, pkg
, set_status
,conf
);
545 pkg
->parent
= ab_pkg
;
547 if (buildProvides(hash
, ab_pkg
, pkg
)<0){
548 fprintf(stderr
, "%s : This should never happen. Report this Bug in bugzilla please \n ",__FUNCTION__
);
551 /* need to build the conflicts graph before replaces for correct calculation of replaced_by relation */
552 if (buildConflicts(hash
, ab_pkg
, pkg
)<0){
553 fprintf(stderr
, "%s : This should never happen. Report this Bug in bugzilla please \n ",__FUNCTION__
);
556 if (buildReplaces(hash
, ab_pkg
, pkg
)<0) {
557 fprintf(stderr
, "%s : This should never happen. Report this Bug in bugzilla please \n ",__FUNCTION__
);
561 buildDependedUponBy(pkg
, ab_pkg
);
566 * this will assume that we've already determined that
567 * the abstract pkg doesn't exist, 'cause we should know these things...
569 static abstract_pkg_t
* add_new_abstract_pkg_by_name(hash_table_t
* hash
, const char * pkg_name
)
571 abstract_pkg_t
* ab_pkg
;
573 ab_pkg
= abstract_pkg_new();
574 if (ab_pkg
== NULL
) { return NULL
; }
576 ab_pkg
->name
= strdup(pkg_name
);
577 hash_table_insert(hash
, pkg_name
, ab_pkg
);
583 pkg_t
*file_hash_get_file_owner(ipkg_conf_t
*conf
, const char *file_name
)
585 hash_table_t
*file_hash
= &conf
->file_hash
;
587 return hash_table_get(file_hash
, file_name
);
590 int file_hash_set_file_owner(ipkg_conf_t
*conf
, const char *file_name
, pkg_t
*owning_pkg
)
592 hash_table_t
*file_hash
= &conf
->file_hash
;
593 pkg_t
*old_owning_pkg
= hash_table_get(file_hash
, file_name
);
594 int file_name_len
= strlen(file_name
);
596 if (file_name
[file_name_len
-1] == '/')
599 if (conf
->offline_root
) {
600 int len
= strlen(conf
->offline_root
);
601 if (strncmp(file_name
, conf
->offline_root
, len
) == 0) {
606 // ipkg_message(conf, IPKG_DEBUG2, "owning_pkg=%s filename=%s\n", owning_pkg->name, file_name);
607 hash_table_insert(file_hash
, file_name
, owning_pkg
);
608 if (old_owning_pkg
) {
609 str_list_remove_elt(old_owning_pkg
->installed_files
, file_name
);
610 /* mark this package to have its filelist written */
611 old_owning_pkg
->state_flag
|= SF_FILELIST_CHANGED
;
612 owning_pkg
->state_flag
|= SF_FILELIST_CHANGED
;