1 /* opkg_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 "opkg_message.h"
29 #include "pkg_parse.h"
30 #include "opkg_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(opkg_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(opkg_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 opkg_message(conf, OPKG_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(opkg_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 opkg_message(conf, OPKG_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 opkg_message(conf, OPKG_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 opkg_message(conf, OPKG_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 opkg_message(conf, OPKG_NOTICE, "Multiple replacers for %s, using first one (%s)\n",
188 provider_apkg->name, replacement_apkg->name);
192 if (replacement_apkg)
193 opkg_message(conf, OPKG_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 opkg_message(conf, OPKG_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 opkg_message(conf, OPKG_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 opkg_message(conf, OPKG_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 opkg_message(conf, OPKG_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 opkg_message(conf, OPKG_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 opkg_message(conf, OPKG_ERROR, " %s\n", matching->name);
274 opkg_message(conf, OPKG_ERROR, "Please select one with opkg install or opkg flag prefer\n");
277 if (matching_apkgs->len > 1 && conf->verbosity > 1) {
278 opkg_message(conf, OPKG_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 opkg_message(conf, OPKG_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 opkg_message(conf, OPKG_INFO, " using held package %s\n", held_pkg->name);
300 if (latest_installed_parent) {
301 opkg_message(conf, OPKG_INFO, " using latest version of installed package %s\n", latest_installed_parent->name);
302 return latest_installed_parent;
305 opkg_message(conf, OPKG_INFO, " no matching pkg out of matching_apkgs=%d\n", nmatching);
308 if (latest_matching) {
309 opkg_message(conf, OPKG_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(opkg_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 opkg_conf_t *conf = (opkg_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,opkg_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(opkg_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(opkg_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 // opkg_message(conf, OPKG_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;