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authorticktock35 <ticktock35@e8e0d7a0-c8d9-11dd-a880-a1081c7ac358>2008-12-14 23:25:08 (EST)
committer ticktock35 <ticktock35@e8e0d7a0-c8d9-11dd-a880-a1081c7ac358>2008-12-14 23:25:08 (EST)
commit4b0b7ca249bfa4ecc099c2ca56527eb91776f198 (patch)
treedb5d2602d75a69cc9e1f7f30cbac584f0ab45c45 /pkg_hash.c
parent868cbd739052719d5e0580a0fda6101dada1ce1e (diff)
opkg: re-arrange source code into sub-directories
git-svn-id: http://opkg.googlecode.com/svn/trunk@33 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358
Diffstat (limited to 'pkg_hash.c')
-rw-r--r--pkg_hash.c617
1 files changed, 0 insertions, 617 deletions
diff --git a/pkg_hash.c b/pkg_hash.c
deleted file mode 100644
index 0106e65..0000000
--- a/pkg_hash.c
+++ /dev/null
@@ -1,617 +0,0 @@
-/* opkg_hash.c - the itsy 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.
-*/
-
-#include "opkg.h"
-#include <errno.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "hash_table.h"
-#include "pkg.h"
-#include "opkg_message.h"
-#include "pkg_vec.h"
-#include "pkg_hash.h"
-#include "pkg_parse.h"
-#include "opkg_utils.h"
-
-static abstract_pkg_t * add_new_abstract_pkg_by_name(hash_table_t * hash, const char * pkg_name);
-
-/*
- * this will talk to both feeds-lists files and installed status files
- * example api:
- *
- * hash_table_t hash;
- * pkg_hash_init(name, &hash, 1000);
- * pkg_hash_add_from_file(<feed filename>);
- *
- * the query function is just there as a shell to prove to me that this
- * sort of works, but isn't far from doing something useful
- *
- * -sma, 12/21/01
- * modified: CDW 3 Jan. 2002
- */
-
-
-
-int pkg_hash_init(const char *name, hash_table_t *hash, int len)
-{
- return hash_table_init(name, hash, len);
-}
-
-void pkg_hash_deinit(hash_table_t *hash)
-{
- hash_table_deinit(hash);
-}
-
-
-/* Find the default arch for a given package status file if none is given. */
-static char *pkg_get_default_arch(opkg_conf_t *conf)
-{
- nv_pair_list_elt_t *l;
- char *def_arch = HOST_CPU_STR; /* Default arch */
- int def_prio = 0; /* Other archs override this */
-
- l = conf->arch_list.head;
-
- while (l) {
- nv_pair_t *nv = l->data;
- int priority = strtol(nv->value, NULL, 0);
-
- /* Check if this arch has higher priority, and is valid */
- if ((priority > def_prio) &&
- (strcmp(nv->name, "all")) && (strcmp(nv->name, "noarch"))) {
- /* Our new default */
- def_prio = priority;
- def_arch = nv->name;
- }
- l = l->next;
- }
-
- return strdup(def_arch);
-}
-
-int pkg_hash_add_from_file(opkg_conf_t *conf, const char *file_name,
- pkg_src_t *src, pkg_dest_t *dest, int is_status_file)
-{
- hash_table_t *hash = &conf->pkg_hash;
- char **raw;
- char **raw_start;
- pkg_t *pkg;
-
- raw = raw_start = read_raw_pkgs_from_file(file_name);
- if (!raw)
- return -ENOMEM;
-
- while(*raw){ /* don't worry, we'll increment raw in the parsing function */
- pkg = pkg_new();
- if (!pkg)
- return -ENOMEM;
-
- if (pkg_parse_raw(pkg, &raw, src, dest) == 0) {
- if (!pkg->architecture) {
- char *version_str = pkg_version_str_alloc(pkg);
- pkg->architecture = pkg_get_default_arch(conf);
- opkg_message(conf, OPKG_ERROR, "Package %s version %s has no architecture specified, defaulting to %s.\n",
- pkg->name, version_str, pkg->architecture);
- free(version_str);
- }
- hash_insert_pkg(hash, pkg, is_status_file,conf);
- } else {
- free(pkg);
- }
- }
-
- /* XXX: CLEANUP: I'd like a cleaner interface for cleaning up
- memory after read_raw_pkgs_from_file */
- raw = raw_start;
- while (*raw) {
- free(*raw++);
- }
- free(raw_start);
- return 0;
-}
-
-abstract_pkg_t * abstract_pkg_fetch_by_name(hash_table_t * hash, const char * pkg_name)
-{
- return (abstract_pkg_t *)hash_table_get(hash, pkg_name);
-}
-
-abstract_pkg_vec_t *pkg_hash_fetch_all_installation_candidates(hash_table_t *hash, const char *name)
-{
- abstract_pkg_t *apkg = abstract_pkg_fetch_by_name(hash, name);
- if (apkg)
- return NULL;
- return apkg->provided_by;
-}
-
-
-pkg_t *pkg_hash_fetch_best_installation_candidate(opkg_conf_t *conf, abstract_pkg_t *apkg,
- int (*constraint_fcn)(pkg_t *pkg, void *cdata), void *cdata, int quiet)
-{
- int i;
- int nprovides = 0;
- int nmatching = 0;
- pkg_vec_t *matching_pkgs = pkg_vec_alloc();
- abstract_pkg_vec_t *matching_apkgs = abstract_pkg_vec_alloc();
- abstract_pkg_vec_t *provided_apkg_vec;
- abstract_pkg_t **provided_apkgs;
- abstract_pkg_vec_t *providers = abstract_pkg_vec_alloc();
- pkg_t *latest_installed_parent = NULL;
- pkg_t *latest_matching = NULL;
- pkg_t *held_pkg = NULL;
- pkg_t *good_pkg_by_name = NULL;
-
- if (matching_apkgs == NULL || providers == NULL ||
- apkg == NULL || apkg->provided_by == NULL || (apkg->provided_by->len == 0))
- return NULL;
-
- opkg_message(conf, OPKG_DEBUG, "best installation candidate for %s\n", apkg->name);
-
- provided_apkg_vec = apkg->provided_by;
- nprovides = provided_apkg_vec->len;
- provided_apkgs = provided_apkg_vec->pkgs;
- if (nprovides > 1)
- opkg_message(conf, OPKG_DEBUG, " apkg=%s nprovides=%d\n", apkg->name, nprovides);
-
- /* accumulate all the providers */
- for (i = 0; i < nprovides; i++) {
- abstract_pkg_t *provider_apkg = provided_apkgs[i];
- opkg_message(conf, OPKG_DEBUG, " adding %s to providers\n", provider_apkg->name);
- abstract_pkg_vec_insert(providers, provider_apkg);
- }
- nprovides = providers->len;
-
- for (i = 0; i < nprovides; i++) {
- abstract_pkg_t *provider_apkg = abstract_pkg_vec_get(providers, i);
- abstract_pkg_t *replacement_apkg = NULL;
- pkg_vec_t *vec;
-
- if (provider_apkg->replaced_by && provider_apkg->replaced_by->len) {
- replacement_apkg = provider_apkg->replaced_by->pkgs[0];
- if (provider_apkg->replaced_by->len > 1) {
- opkg_message(conf, OPKG_NOTICE, "Multiple replacers for %s, using first one (%s)\n",
- provider_apkg->name, replacement_apkg->name);
- }
- }
-
- if (replacement_apkg)
- opkg_message(conf, OPKG_DEBUG, " replacement_apkg=%s for provider_apkg=%s\n",
- replacement_apkg->name, provider_apkg->name);
-
- if (replacement_apkg && (replacement_apkg != provider_apkg)) {
- if (abstract_pkg_vec_contains(providers, replacement_apkg))
- continue;
- else
- provider_apkg = replacement_apkg;
- }
-
- if (!(vec = provider_apkg->pkgs)) {
- opkg_message(conf, OPKG_DEBUG, " no pkgs for provider_apkg %s\n", provider_apkg->name);
- continue;
- }
-
-
- /* now check for supported architecture */
- {
- int max_count = 0;
- int i;
-
- /* count packages matching max arch priority and keep track of last one */
- for (i = 0; i < vec->len; i++) {
- pkg_t *maybe = vec->pkgs[i];
- opkg_message(conf, OPKG_DEBUG, " %s arch=%s arch_priority=%d version=%s \n",
- maybe->name, maybe->architecture, maybe->arch_priority, maybe->version);
- if (maybe->arch_priority > 0) {
- max_count++;
- abstract_pkg_vec_insert(matching_apkgs, maybe->parent);
- pkg_vec_insert(matching_pkgs, maybe);
- }
- }
- }
- }
-
- if (matching_pkgs->len > 1)
- pkg_vec_sort(matching_pkgs, pkg_name_version_and_architecture_compare);
- if (matching_apkgs->len > 1)
- abstract_pkg_vec_sort(matching_pkgs, abstract_pkg_name_compare);
-
-/* Here it is usefull, if ( matching_apkgs->len > 1 ), to test if one of this matching packages has the same name of the
- needed package. In this case, I would return it for install, otherwise I will continue with the procedure */
-/* The problem is what to do when there are more than a mathing package, with the same name and several version ?
- Until now I always got the latest, but that breaks the downgrade option.
- If I stop at the first one, I would probably miss the new ones
- Maybe the way is to have some kind of flag somewhere, to see if the package been asked to install is from a file,
- or from a Packages feed.
- 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*/
-/*Pigi*/
-
- for (i = 0; i < matching_pkgs->len; i++) {
- pkg_t *matching = matching_pkgs->pkgs[i];
- if (constraint_fcn(matching, cdata)) { /* We found it */
- opkg_message(conf, OPKG_DEBUG, " Found a valid candidate for the install: %s %s \n", matching->name, matching->version) ;
- good_pkg_by_name = matching;
- if ( matching->provided_by_hand == 1 ) /* It has been provided by hand, so it is what user want */
- break;
- }
- }
-
-
- for (i = 0; i < matching_pkgs->len; i++) {
- pkg_t *matching = matching_pkgs->pkgs[i];
- latest_matching = matching;
- if (matching->parent->state_status == SS_INSTALLED || matching->parent->state_status == SS_UNPACKED)
- latest_installed_parent = matching;
- if (matching->state_flag & (SF_HOLD|SF_PREFER)) {
- if (held_pkg)
- opkg_message(conf, OPKG_ERROR, "Multiple packages (%s and %s) providing same name marked HOLD or PREFER. Using latest.\n",
- held_pkg->name, matching->name);
- held_pkg = matching;
- }
- }
-
- if (!good_pkg_by_name && !held_pkg && !latest_installed_parent && matching_apkgs->len > 1 && !quiet) {
- opkg_message(conf, OPKG_ERROR, "Package=%s, %d matching providers\n",
- apkg->name, matching_apkgs->len);
- for (i = 0; i < matching_apkgs->len; i++) {
- abstract_pkg_t *matching = matching_apkgs->pkgs[i];
- opkg_message(conf, OPKG_ERROR, " %s\n", matching->name);
- }
- opkg_message(conf, OPKG_ERROR, "Please select one with opkg install or opkg flag prefer\n");
- }
-
- if (matching_apkgs->len > 1 && conf->verbosity > 1) {
- opkg_message(conf, OPKG_NOTICE, "%s: for apkg=%s, %d matching pkgs\n",
- __FUNCTION__, apkg->name, matching_pkgs->len);
- for (i = 0; i < matching_pkgs->len; i++) {
- pkg_t *matching = matching_pkgs->pkgs[i];
- opkg_message(conf, OPKG_INFO, " %s %s %s\n",
- matching->name, matching->version, matching->architecture);
- }
- }
-
- nmatching = matching_apkgs->len;
-
- pkg_vec_free(matching_pkgs);
- abstract_pkg_vec_free(matching_apkgs);
- abstract_pkg_vec_free(providers);
-
- if (good_pkg_by_name) { /* We found a good candidate, we will install it */
- return good_pkg_by_name;
- }
- if (held_pkg) {
- opkg_message(conf, OPKG_INFO, " using held package %s\n", held_pkg->name);
- return held_pkg;
- }
- if (latest_installed_parent) {
- opkg_message(conf, OPKG_INFO, " using latest version of installed package %s\n", latest_installed_parent->name);
- return latest_installed_parent;
- }
- if (nmatching > 1) {
- opkg_message(conf, OPKG_INFO, " no matching pkg out of matching_apkgs=%d\n", nmatching);
- return NULL;
- }
- if (latest_matching) {
- opkg_message(conf, OPKG_INFO, " using latest matching %s %s %s\n",
- latest_matching->name, latest_matching->version, latest_matching->architecture);
- return latest_matching;
- }
- return NULL;
-}
-
-static int pkg_name_constraint_fcn(pkg_t *pkg, void *cdata)
-{
- const char *name = (const char *)cdata;
- if (strcmp(pkg->name, name) == 0)
- return 1;
- else
- return 0;
-}
-
-pkg_t *pkg_hash_fetch_best_installation_candidate_by_name(opkg_conf_t *conf, const char *name)
-{
- hash_table_t *hash = &conf->pkg_hash;
- abstract_pkg_t *apkg = NULL;
-
- if (!(apkg = abstract_pkg_fetch_by_name(hash, name)))
- return NULL;
-
- return pkg_hash_fetch_best_installation_candidate(conf, apkg, pkg_name_constraint_fcn, apkg->name, 0);
-}
-
-
-pkg_t * pkg_hash_fetch_by_name_version(hash_table_t *hash,
- const char *pkg_name,
- const char * version)
-{
- pkg_vec_t * vec;
- register int i;
- char *version_str = NULL;
-
- if(!(vec = pkg_vec_fetch_by_name(hash, pkg_name)))
- return NULL;
-
- for(i = 0; i < vec->len; i++) {
- version_str = pkg_version_str_alloc(vec->pkgs[i]);
- if(!strcmp(version_str, version)) {
- free(version_str);
- break;
- }
- free(version_str);
- }
-
- if(i == vec->len)
- return NULL;
-
- return vec->pkgs[i];
-}
-
-pkg_t *pkg_hash_fetch_installed_by_name_dest(hash_table_t *hash,
- const char *pkg_name,
- pkg_dest_t *dest)
-{
- pkg_vec_t * vec;
- register int i;
-
- if(!(vec = pkg_vec_fetch_by_name(hash, pkg_name))) {
- return NULL;
- }
-
- for(i = 0; i < vec->len; i++)
- if((vec->pkgs[i]->state_status == SS_INSTALLED || vec->pkgs[i]->state_status == SS_UNPACKED) && vec->pkgs[i]->dest == dest) {
- return vec->pkgs[i];
- }
- return NULL;
-}
-
-pkg_t *pkg_hash_fetch_installed_by_name(hash_table_t *hash,
- const char *pkg_name)
-{
- pkg_vec_t * vec;
- register int i;
-
- if(!(vec = pkg_vec_fetch_by_name(hash, pkg_name))){
- return NULL;
- }
-
- for(i = 0; i < vec->len; i++)
- if (vec->pkgs[i]->state_status == SS_INSTALLED || vec->pkgs[i]->state_status == SS_UNPACKED){
- return vec->pkgs[i];
- }
-
- return NULL;
-}
-
-pkg_vec_t *pkg_vec_fetch_by_name(hash_table_t *hash, const char *pkg_name)
-{
- abstract_pkg_t * ab_pkg;
-
- if(!(ab_pkg = abstract_pkg_fetch_by_name(hash, pkg_name))){
- return NULL;
- }
-
- if (ab_pkg->pkgs) {
- return ab_pkg->pkgs;
- } else if (ab_pkg->provided_by) {
- abstract_pkg_t *abpkg = abstract_pkg_vec_get(ab_pkg->provided_by, 0);
- if (abpkg != NULL){
- return abpkg->pkgs;
- } else {
- return ab_pkg->pkgs;
- }
- } else {
- return NULL;
- }
-}
-
-static int pkg_compare_names(const void *p1, const void *p2)
-{
- const pkg_t *pkg1 = *(const pkg_t **)p1;
- const pkg_t *pkg2 = *(const pkg_t **)p2;
- if (pkg1->name == NULL)
- return 1;
- if (pkg2->name == NULL)
- return -1;
- return(strcmp(pkg1->name, pkg2->name));
-}
-
-
-static void pkg_hash_fetch_available_helper(const char *pkg_name, void *entry, void *data)
-{
- int j;
- abstract_pkg_t *ab_pkg = (abstract_pkg_t *)entry;
- pkg_vec_t *all = (pkg_vec_t *)data;
- pkg_vec_t *pkg_vec = ab_pkg->pkgs;
- if (pkg_vec) {
- for (j = 0; j < pkg_vec->len; j++) {
- pkg_t *pkg = pkg_vec->pkgs[j];
- pkg_vec_insert(all, pkg);
- }
- }
-}
-
-void pkg_hash_fetch_available(hash_table_t *hash, pkg_vec_t *all)
-{
- hash_table_foreach(hash, pkg_hash_fetch_available_helper, all);
- qsort(all->pkgs, all->len, sizeof(pkg_t *), pkg_compare_names);
-}
-
-static void pkg_hash_fetch_all_installed_helper(const char *pkg_name, void *entry, void *data)
-{
- abstract_pkg_t *ab_pkg = (abstract_pkg_t *)entry;
- pkg_vec_t *all = (pkg_vec_t *)data;
- pkg_vec_t *pkg_vec = ab_pkg->pkgs;
- int j;
- if (pkg_vec) {
- for (j = 0; j < pkg_vec->len; j++) {
- pkg_t *pkg = pkg_vec->pkgs[j];
- if (pkg->state_status == SS_INSTALLED || pkg->state_status == SS_UNPACKED) {
- pkg_vec_insert(all, pkg);
- }
- }
- }
-}
-void pkg_hash_fetch_all_installed(hash_table_t *hash, pkg_vec_t *all)
-{
- hash_table_foreach(hash, pkg_hash_fetch_all_installed_helper, all);
- qsort(all->pkgs, all->len, sizeof(void*), pkg_compare_names);
-}
-
-static void pkg_hash_dump_helper(const char *pkg_name, void *entry, void *data)
-{
- int i;
- pkg_t *pkg;
- abstract_pkg_t *ab_pkg = (abstract_pkg_t *)entry;
- opkg_conf_t *conf = (opkg_conf_t *)data;
- abstract_pkg_t ** dependents = ab_pkg->depended_upon_by;
- fprintf(stdout, "%s\n", ab_pkg->name);
- i = 0;
- if (dependents != NULL)
- while (dependents [i] != NULL)
- printf ("\tdepended upon by - %s\n", dependents [i ++]->name);
- dependents = ab_pkg->provided_by->pkgs;
- i = 0;
- if (dependents != NULL)
- while (dependents [i] != NULL && i < ab_pkg->provided_by->len)
- printf ("\tprovided by - %s\n", dependents [i ++]->name);
- pkg = pkg_hash_fetch_best_installation_candidate_by_name (conf, ab_pkg->name);
- if (pkg) {
- i = 0;
- while (i < pkg->depends_count)
- printf ("\tdepends on - %s\n", pkg->depends_str [i ++]);
- }
-}
-void pkg_hash_dump(hash_table_t *hash, void *data)
-{
-
- printf ("\n\n+=+%s+=+\n\n", __FUNCTION__);
- hash_table_foreach(hash, pkg_hash_dump_helper, data);
- printf ("\n+=+%s+=+\n\n", __FUNCTION__);
-}
-
-abstract_pkg_t * ensure_abstract_pkg_by_name(hash_table_t * hash, const char * pkg_name)
-{
- abstract_pkg_t * ab_pkg;
-
- if(!(ab_pkg = abstract_pkg_fetch_by_name(hash, pkg_name)))
- ab_pkg = add_new_abstract_pkg_by_name(hash, pkg_name);
-
- return ab_pkg;
-}
-
-pkg_t *hash_insert_pkg(hash_table_t *hash, pkg_t *pkg, int set_status,opkg_conf_t *conf)
-{
- abstract_pkg_t * ab_pkg;
- int arch_priority;
-
- if(!pkg)
- return pkg;
-
- arch_priority = pkg->arch_priority;
-
- if (buildDepends(hash, pkg)<0){
- fprintf(stderr, "%s : This should never happen. Report this Bug in bugzilla please \n ",__FUNCTION__);
- return NULL;
- }
- ab_pkg = ensure_abstract_pkg_by_name(hash, pkg->name);
-
- if (set_status) {
- if (pkg->state_status == SS_INSTALLED) {
- ab_pkg->state_status = SS_INSTALLED;
- } else if (pkg->state_status == SS_UNPACKED) {
- ab_pkg->state_status = SS_UNPACKED;
- }
- }
-
- if(!ab_pkg->pkgs)
- ab_pkg->pkgs = pkg_vec_alloc();
-
- /* pkg_vec_insert_merge might munge package, but it returns an unmunged pkg */
- pkg = pkg_vec_insert_merge(ab_pkg->pkgs, pkg, set_status,conf );
- pkg->parent = ab_pkg;
-
- if (buildProvides(hash, ab_pkg, pkg)<0){
- fprintf(stderr, "%s : This should never happen. Report this Bug in bugzilla please \n ",__FUNCTION__);
- return NULL;
- }
- /* need to build the conflicts graph before replaces for correct calculation of replaced_by relation */
- if (buildConflicts(hash, ab_pkg, pkg)<0){
- fprintf(stderr, "%s : This should never happen. Report this Bug in bugzilla please \n ",__FUNCTION__);
- return NULL;
- }
- if (buildReplaces(hash, ab_pkg, pkg)<0) {
- fprintf(stderr, "%s : This should never happen. Report this Bug in bugzilla please \n ",__FUNCTION__);
- return NULL;
- }
-
- buildDependedUponBy(pkg, ab_pkg);
- return pkg;
-}
-
-/*
- * this will assume that we've already determined that
- * the abstract pkg doesn't exist, 'cause we should know these things...
- */
-static abstract_pkg_t * add_new_abstract_pkg_by_name(hash_table_t * hash, const char * pkg_name)
-{
- abstract_pkg_t * ab_pkg;
-
- ab_pkg = abstract_pkg_new();
- if (ab_pkg == NULL) { return NULL; }
-
- ab_pkg->name = strdup(pkg_name);
- hash_table_insert(hash, pkg_name, ab_pkg);
-
- return ab_pkg;
-}
-
-
-pkg_t *file_hash_get_file_owner(opkg_conf_t *conf, const char *file_name)
-{
- hash_table_t *file_hash = &conf->file_hash;
-
- return hash_table_get(file_hash, file_name);
-}
-
-int file_hash_set_file_owner(opkg_conf_t *conf, const char *file_name, pkg_t *owning_pkg)
-{
- hash_table_t *file_hash = &conf->file_hash;
- pkg_t *old_owning_pkg = hash_table_get(file_hash, file_name);
- int file_name_len = strlen(file_name);
-
- if (file_name[file_name_len -1] == '/')
- return 0;
-
- if (conf->offline_root) {
- int len = strlen(conf->offline_root);
- if (strncmp(file_name, conf->offline_root, len) == 0) {
- file_name += len;
- }
- }
-
- // opkg_message(conf, OPKG_DEBUG2, "owning_pkg=%s filename=%s\n", owning_pkg->name, file_name);
- hash_table_insert(file_hash, file_name, owning_pkg);
- if (old_owning_pkg) {
- str_list_remove_elt(old_owning_pkg->installed_files, file_name);
- /* mark this package to have its filelist written */
- old_owning_pkg->state_flag |= SF_FILELIST_CHANGED;
- owning_pkg->state_flag |= SF_FILELIST_CHANGED;
- }
- return 0;
-}
-
-