#ifndef LIBSOLV_SOLVER_H
#define LIBSOLV_SOLVER_H
-#ifdef __cplusplus
-extern "C" {
-#endif
-
#include "pooltypes.h"
#include "pool.h"
#include "repo.h"
#include "rules.h"
#include "problems.h"
-/*
- * Callback definitions in order to "overwrite" the policies by an external application.
- */
-
-typedef void (*BestSolvableCb) (Pool *pool, Queue *canditates);
-typedef int (*ArchCheckCb) (Pool *pool, Solvable *solvable1, Solvable *solvable2);
-typedef int (*VendorCheckCb) (Pool *pool, Solvable *solvable1, Solvable *solvable2);
-typedef void (*UpdateCandidateCb) (Pool *pool, Solvable *solvable, Queue *canditates);
-
+#ifdef __cplusplus
+extern "C" {
+#endif
-#if 1
-struct _Solver {
+struct s_Solver {
Pool *pool; /* back pointer to pool */
Queue job; /* copy of the job we're solving */
- Transaction trans; /* calculated transaction */
+ int (*solution_callback)(struct s_Solver *solv, void *data);
+ void *solution_callback_data;
+
+ int pooljobcnt; /* number of pooljob entries in job queue */
+#ifdef LIBSOLV_INTERNAL
Repo *installed; /* copy of pool->installed */
-
+
/* list of rules, ordered
- * rpm rules first, then features, updates, jobs, learnt
+ * pkg rules first, then features, updates, jobs, learnt
* see start/end offsets below
*/
Rule *rules; /* all rules */
Id nrules; /* [Offset] index of the last rule */
+ Id lastpkgrule; /* last package rule we added */
Queue ruleassertions; /* Queue of all assertion rules */
/* start/end offset for rule 'areas' */
-
- Id rpmrules_end; /* [Offset] rpm rules end */
-
+
+ Id pkgrules_end; /* [Offset] dep rules end */
+
Id featurerules; /* feature rules start/end */
Id featurerules_end;
-
+
Id updaterules; /* policy rules, e.g. keep packages installed or update. All literals > 0 */
Id updaterules_end;
-
+
Id jobrules; /* user rules */
Id jobrules_end;
Id duprules; /* dist upgrade rules */
Id duprules_end;
-
+
+ Id bestrules; /* rules from SOLVER_FORCEBEST */
+ Id bestrules_up; /* update rule part starts here*/
+ Id bestrules_end;
+ Id *bestrules_info; /* < 0 : install rule, > 0 : pkg that needs to be updated */
+
+ Id yumobsrules; /* rules from yum obsoletes handling */
+ Id yumobsrules_end;
+ Id *yumobsrules_info; /* the dependency for each rule */
+
+ Id blackrules; /* rules from blacklisted packages */
+ Id blackrules_end;
+
Id choicerules; /* choice rules (always weak) */
Id choicerules_end;
- Id *choicerules_ref;
+ Id *choicerules_info; /* the rule we used to generate the choice rule */
+
+ Id recommendsrules; /* rules from recommends pkg rules with disfavored literals */
+ Id recommendsrules_end;
+ Id *recommendsrules_info; /* the original pkg rule rule */
Id learntrules; /* learnt rules, (end == nrules) */
Map noupdate; /* don't try to update these
installed solvables */
- Map noobsoletes; /* ignore obsoletes for these (multiinstall) */
+ Map multiversion; /* ignore obsoletes for these (multiinstall) */
Map updatemap; /* bring these installed packages to the newest version */
int updatemap_all; /* bring all packages to the newest version */
+ Map bestupdatemap; /* create best rule for those packages */
+ int bestupdatemap_all; /* bring all packages to the newest version */
+
Map fixmap; /* fix these packages */
int fixmap_all; /* fix all packages */
/* our decisions: */
Queue decisionq; /* >0:install, <0:remove/conflict */
Queue decisionq_why; /* index of rule, Offset into rules */
+ Queue decisionq_reason; /* reason for decision, indexed by level */
Id *decisionmap; /* map for all available solvables,
* = 0: undecided
Queue learnt_pool;
Queue branches;
- int (*solution_callback)(struct _Solver *solv, void *data);
- void *solution_callback_data;
-
int propagate_index; /* index into decisionq for non-propagated decisions */
Queue problems; /* list of lists of conflicting rules, < 0 for job rules */
Queue solutions; /* refined problem storage space */
- Queue recommendations; /* recommended packages */
- Queue suggestions; /* suggested packages */
- Queue orphaned; /* orphaned packages */
+ Queue orphaned; /* orphaned packages (to be removed?) */
int stats_learned; /* statistic */
int stats_unsolvable; /* statistic */
Map recommendsmap; /* recommended packages from decisionmap */
Map suggestsmap; /* suggested packages from decisionmap */
int recommends_index; /* recommendsmap/suggestsmap is created up to this level */
+ Queue *recommendscplxq;
+ Queue *suggestscplxq;
Id *obsoletes; /* obsoletes for each installed solvable */
Id *obsoletes_data; /* data area for obsoletes */
- Id *multiversionupdaters; /* updaters for multiversion packages in updatesystem mode */
+ Id *specialupdaters; /* updaters for packages with a limited update rule */
/*-------------------------------------------------------------------------------------------------------------
* Solver configuration
*-------------------------------------------------------------------------------------------------------------*/
- int fixsystem; /* repair errors in rpm dependency graph */
int allowdowngrade; /* allow to downgrade installed solvable */
+ int allownamechange; /* allow to change name of installed solvables */
int allowarchchange; /* allow to change architecture of installed solvables */
int allowvendorchange; /* allow to change vendor of installed solvables */
int allowuninstall; /* allow removal of installed solvables */
- int updatesystem; /* update all packages to the newest version */
int noupdateprovide; /* true: update packages needs not to provide old package */
+ int needupdateprovide; /* true: update packages must provide old package */
int dosplitprovides; /* true: consider legacy split provides */
int dontinstallrecommended; /* true: do not install recommended packages */
- int ignorealreadyrecommended; /* true: ignore recommended packages that were already recommended by the installed packages */
+ int addalreadyrecommended; /* true: also install recommended packages that were already recommended by the installed packages */
int dontshowinstalledrecommended; /* true: do not show recommended packages that are already installed */
-
- /* distupgrade also needs updatesystem and dosplitprovides */
- int distupgrade;
- int distupgrade_removeunsupported;
int noinfarchcheck; /* true: do not forbid inferior architectures */
-
- /* Callbacks for defining the bahaviour of the SAT solver */
-
- /* Finding best candidate
- *
- * Callback definition:
- * void bestSolvable (Pool *pool, Queue *canditates)
- * candidates : List of canditates which has to be sorted by the function call
- * return candidates: Sorted list of the candidates(first is the best).
- */
- BestSolvableCb bestSolvableCb;
-
- /* Checking if two solvables has compatible architectures
- *
- * Callback definition:
- * int archCheck (Pool *pool, Solvable *solvable1, Solvable *solvable2);
- *
- * return 0 it the two solvables has compatible architectures
- */
- ArchCheckCb archCheckCb;
-
- /* Checking if two solvables has compatible vendors
- *
- * Callback definition:
- * int vendorCheck (Pool *pool, Solvable *solvable1, Solvable *solvable2);
- *
- * return 0 it the two solvables has compatible architectures
- */
- VendorCheckCb vendorCheckCb;
-
- /* Evaluate update candidate
- *
- * Callback definition:
- * void pdateCandidateCb (Pool *pool, Solvable *solvable, Queue *canditates)
- * solvable : for which updates should be search
- * candidates : List of candidates (This list depends on other
- * restrictions like architecture and vendor policies too)
- */
- UpdateCandidateCb updateCandidateCb;
-
- Map dupmap; /* dup these packages*/
- int dupmap_all; /* dup all packages */
+ int keepexplicitobsoletes; /* true: honor obsoletes during multiinstall */
+ int bestobeypolicy; /* true: stay in policy with the best rules */
+ int noautotarget; /* true: do not assume targeted for up/dup jobs that contain no installed solvable */
+ int focus_installed; /* true: resolve update rules first */
+ int focus_best; /* true: resolve job dependencies first */
+ int do_yum_obsoletes; /* true: add special yumobs rules */
+ int urpmreorder; /* true: do special urpm package reordering */
+ int strongrecommends; /* true: create weak rules for recommends */
+ int install_also_updates; /* true: do not prune install job rules to installed packages */
+ int only_namespace_recommended; /* true: only install packages recommended by namespace */
+
+ int process_orphans; /* true: do special orphan processing */
+ Map dupmap; /* dup to those packages */
Map dupinvolvedmap; /* packages involved in dup process */
+ int dupinvolvedmap_all; /* all packages are involved */
+ int dup_allowdowngrade; /* dup mode: allow to downgrade installed solvable */
+ int dup_allownamechange; /* dup mode: allow to change name of installed solvable */
+ int dup_allowarchchange; /* dup mode: allow to change architecture of installed solvables */
+ int dup_allowvendorchange; /* dup mode: allow to change vendor of installed solvables */
Map droporphanedmap; /* packages to drop in dup mode */
int droporphanedmap_all;
Map cleandepsmap; /* try to drop these packages as of cleandeps erases */
Queue *ruleinfoq; /* tmp space for solver_ruleinfo() */
-};
-#endif
+ Queue *cleandeps_updatepkgs; /* packages we update in cleandeps mode */
+ Queue *cleandeps_mistakes; /* mistakes we made */
-typedef struct _Solver Solver;
+ Queue *update_targets; /* update to specific packages */
+
+ Queue *installsuppdepq; /* deps from the install namespace provides hack */
+
+ Queue addedmap_deduceq; /* deduce addedmap from pkg rules */
+ Id *instbuddy; /* buddies of installed packages */
+ int keep_orphans; /* how to treat orphans */
+ int break_orphans; /* how to treat orphans */
+ Queue *brokenorphanrules; /* broken rules of orphaned packages */
+
+ Map allowuninstallmap; /* ok to uninstall those */
+ int allowuninstall_all;
+
+ Id *favormap; /* favor job index, > 0: favored, < 0: disfavored */
+ int havedisfavored; /* do we have disfavored packages? */
+
+ int installedpos; /* for resolve_installed */
+ int do_extra_reordering; /* reorder for future installed packages */
+
+ Queue *recommendsruleq; /* pkg rules comming from recommends */
+#endif /* LIBSOLV_INTERNAL */
+};
+
+typedef struct s_Solver Solver;
/*
* queue commands
#define SOLVER_ERASE 0x0200
#define SOLVER_UPDATE 0x0300
#define SOLVER_WEAKENDEPS 0x0400
-#define SOLVER_NOOBSOLETES 0x0500
+#define SOLVER_MULTIVERSION 0x0500
#define SOLVER_LOCK 0x0600
#define SOLVER_DISTUPGRADE 0x0700
#define SOLVER_VERIFY 0x0800
#define SOLVER_DROP_ORPHANED 0x0900
-#define SOLVER_USERINSTALLED 0x0a00
+#define SOLVER_USERINSTALLED 0x0a00
+#define SOLVER_ALLOWUNINSTALL 0x0b00
+#define SOLVER_FAVOR 0x0c00
+#define SOLVER_DISFAVOR 0x0d00
+#define SOLVER_BLACKLIST 0x0e00
#define SOLVER_JOBMASK 0xff00
#define SOLVER_WEAK 0x010000
#define SOLVER_ESSENTIAL 0x020000
#define SOLVER_CLEANDEPS 0x040000
+/* ORUPDATE makes SOLVER_INSTALL not prune to installed
+ * packages, thus updating installed packages */
+#define SOLVER_ORUPDATE 0x080000
+/* FORCEBEST makes the solver insist on best packages, so
+ * you will get problem reported if the best package is
+ * not installable. This can be used with INSTALL, UPDATE
+ * and DISTUPGRADE */
+#define SOLVER_FORCEBEST 0x100000
+/* TARGETED is used in up/dup jobs to make the solver
+ * treat the specified selection as target packages.
+ * It is automatically assumed if the selection does not
+ * contain an "installed" package unless the
+ * NO_AUTOTARGET solver flag is set */
+#define SOLVER_TARGETED 0x200000
+/* This (SOLVER_INSTALL) job was automatically added
+ * and thus does not the add to the userinstalled packages */
+#define SOLVER_NOTBYUSER 0x400000
#define SOLVER_SETEV 0x01000000
#define SOLVER_SETEVR 0x02000000
#define SOLVER_SETVENDOR 0x08000000
#define SOLVER_SETREPO 0x10000000
#define SOLVER_NOAUTOSET 0x20000000
-
-#define SOLVER_SETMASK 0x2f000000
-
-/* old API compatibility, do not use in new code */
-#ifdef OBSOLETE_INTERFACE
-
-#define SOLVER_INSTALL_SOLVABLE (SOLVER_INSTALL|SOLVER_SOLVABLE)
-#define SOLVER_ERASE_SOLVABLE (SOLVER_ERASE|SOLVER_SOLVABLE)
-#define SOLVER_INSTALL_SOLVABLE_NAME (SOLVER_INSTALL|SOLVER_SOLVABLE_NAME)
-#define SOLVER_ERASE_SOLVABLE_NAME (SOLVER_ERASE|SOLVER_SOLVABLE_NAME)
-#define SOLVER_INSTALL_SOLVABLE_PROVIDES (SOLVER_INSTALL|SOLVER_SOLVABLE_PROVIDES)
-#define SOLVER_ERASE_SOLVABLE_PROVIDES (SOLVER_ERASE|SOLVER_SOLVABLE_PROVIDES)
-#define SOLVER_INSTALL_SOLVABLE_UPDATE (SOLVER_UPDATE|SOLVER_SOLVABLE)
-#define SOLVER_INSTALL_SOLVABLE_ONE_OF (SOLVER_INSTALL|SOLVER_SOLVABLE_ONE_OF)
-#define SOLVER_WEAKEN_SOLVABLE_DEPS (SOLVER_WEAKENDEPS|SOLVER_SOLVABLE)
-#define SOLVER_NOOBSOLETES_SOLVABLE (SOLVER_NOOBSOLETES|SOLVER_SOLVABLE)
-#define SOLVER_NOOBSOLETES_SOLVABLE_NAME (SOLVER_NOOBSOLETES|SOLVER_SOLVABLE_NAME)
-#define SOLVER_NOOBSOLETES_SOLVABLE_PROVIDES (SOLVER_NOOBSOLETES|SOLVER_SOLVABLE_PROVIDES)
-
-/* backward compatibility */
-#define SOLVER_PROBLEM_UPDATE_RULE SOLVER_RULE_UPDATE
-#define SOLVER_PROBLEM_JOB_RULE SOLVER_RULE_JOB
-#define SOLVER_PROBLEM_JOB_NOTHING_PROVIDES_DEP SOLVER_RULE_JOB_NOTHING_PROVIDES_DEP
-#define SOLVER_PROBLEM_NOT_INSTALLABLE SOLVER_RULE_RPM_NOT_INSTALLABLE
-#define SOLVER_PROBLEM_NOTHING_PROVIDES_DEP SOLVER_RULE_RPM_NOTHING_PROVIDES_DEP
-#define SOLVER_PROBLEM_SAME_NAME SOLVER_RULE_RPM_SAME_NAME
-#define SOLVER_PROBLEM_PACKAGE_CONFLICT SOLVER_RULE_RPM_PACKAGE_CONFLICT
-#define SOLVER_PROBLEM_PACKAGE_OBSOLETES SOLVER_RULE_RPM_PACKAGE_OBSOLETES
-#define SOLVER_PROBLEM_DEP_PROVIDERS_NOT_INSTALLABLE SOLVER_RULE_RPM_PACKAGE_REQUIRES
-#define SOLVER_PROBLEM_SELF_CONFLICT SOLVER_RULE_RPM_SELF_CONFLICT
-#define SOLVER_PROBLEM_RPM_RULE SOLVER_RULE_RPM
-#define SOLVER_PROBLEM_DISTUPGRADE_RULE SOLVER_RULE_DISTUPGRADE
-#define SOLVER_PROBLEM_INFARCH_RULE SOLVER_RULE_INFARCH
-
-#endif
-
+#define SOLVER_SETNAME 0x40000000
+
+#define SOLVER_SETMASK 0x7f000000
+
+/* legacy */
+#define SOLVER_NOOBSOLETES SOLVER_MULTIVERSION
+
+#define SOLVER_REASON_UNRELATED 0
+#define SOLVER_REASON_UNIT_RULE 1
+#define SOLVER_REASON_KEEP_INSTALLED 2
+#define SOLVER_REASON_RESOLVE_JOB 3
+#define SOLVER_REASON_UPDATE_INSTALLED 4
+#define SOLVER_REASON_CLEANDEPS_ERASE 5
+#define SOLVER_REASON_RESOLVE 6
+#define SOLVER_REASON_WEAKDEP 7
+#define SOLVER_REASON_RESOLVE_ORPHAN 8
+
+#define SOLVER_REASON_RECOMMENDED 16
+#define SOLVER_REASON_SUPPLEMENTED 17
+
+
+#define SOLVER_FLAG_ALLOW_DOWNGRADE 1
+#define SOLVER_FLAG_ALLOW_ARCHCHANGE 2
+#define SOLVER_FLAG_ALLOW_VENDORCHANGE 3
+#define SOLVER_FLAG_ALLOW_UNINSTALL 4
+#define SOLVER_FLAG_NO_UPDATEPROVIDE 5
+#define SOLVER_FLAG_SPLITPROVIDES 6
+#define SOLVER_FLAG_IGNORE_RECOMMENDED 7
+#define SOLVER_FLAG_ADD_ALREADY_RECOMMENDED 8
+#define SOLVER_FLAG_NO_INFARCHCHECK 9
+#define SOLVER_FLAG_ALLOW_NAMECHANGE 10
+#define SOLVER_FLAG_KEEP_EXPLICIT_OBSOLETES 11
+#define SOLVER_FLAG_BEST_OBEY_POLICY 12
+#define SOLVER_FLAG_NO_AUTOTARGET 13
+#define SOLVER_FLAG_DUP_ALLOW_DOWNGRADE 14
+#define SOLVER_FLAG_DUP_ALLOW_ARCHCHANGE 15
+#define SOLVER_FLAG_DUP_ALLOW_VENDORCHANGE 16
+#define SOLVER_FLAG_DUP_ALLOW_NAMECHANGE 17
+#define SOLVER_FLAG_KEEP_ORPHANS 18
+#define SOLVER_FLAG_BREAK_ORPHANS 19
+#define SOLVER_FLAG_FOCUS_INSTALLED 20
+#define SOLVER_FLAG_YUM_OBSOLETES 21
+#define SOLVER_FLAG_NEED_UPDATEPROVIDE 22
+#define SOLVER_FLAG_URPM_REORDER 23
+#define SOLVER_FLAG_FOCUS_BEST 24
+#define SOLVER_FLAG_STRONG_RECOMMENDS 25
+#define SOLVER_FLAG_INSTALL_ALSO_UPDATES 26
+#define SOLVER_FLAG_ONLY_NAMESPACE_RECOMMENDED 27
+
+#define GET_USERINSTALLED_NAMES (1 << 0) /* package names instead of ids */
+#define GET_USERINSTALLED_INVERTED (1 << 1) /* autoinstalled */
+#define GET_USERINSTALLED_NAMEARCH (1 << 2) /* package/arch tuples instead of ids */
+
+#define SOLVER_ALTERNATIVE_TYPE_RULE 1
+#define SOLVER_ALTERNATIVE_TYPE_RECOMMENDS 2
+#define SOLVER_ALTERNATIVE_TYPE_SUGGESTS 3
extern Solver *solver_create(Pool *pool);
extern void solver_free(Solver *solv);
extern int solver_solve(Solver *solv, Queue *job);
-
-extern void solver_calculate_noobsmap(Pool *pool, Queue *job, Map *noobsmap);
+extern Transaction *solver_create_transaction(Solver *solv);
+extern int solver_set_flag(Solver *solv, int flag, int value);
+extern int solver_get_flag(Solver *solv, int flag);
+
+extern int solver_get_decisionlevel(Solver *solv, Id p);
+extern void solver_get_decisionqueue(Solver *solv, Queue *decisionq);
+extern int solver_get_lastdecisionblocklevel(Solver *solv);
+extern void solver_get_decisionblock(Solver *solv, int level, Queue *decisionq);
+
+extern void solver_get_orphaned(Solver *solv, Queue *orphanedq);
+extern void solver_get_recommendations(Solver *solv, Queue *recommendationsq, Queue *suggestionsq, int noselected);
+extern void solver_get_unneeded(Solver *solv, Queue *unneededq, int filtered);
+extern void solver_get_userinstalled(Solver *solv, Queue *q, int flags);
+extern void pool_add_userinstalled_jobs(Pool *pool, Queue *q, Queue *job, int flags);
+extern void solver_get_cleandeps(Solver *solv, Queue *cleandepsq);
+
+extern int solver_describe_decision(Solver *solv, Id p, Id *infop);
+extern void solver_describe_weakdep_decision(Solver *solv, Id p, Queue *whyq);
+
+extern int solver_alternatives_count(Solver *solv);
+extern int solver_get_alternative(Solver *solv, Id alternative, Id *idp, Id *fromp, Id *chosenp, Queue *choices, int *levelp);
+
+extern void solver_calculate_multiversionmap(Pool *pool, Queue *job, Map *multiversionmap);
+extern void solver_calculate_noobsmap(Pool *pool, Queue *job, Map *multiversionmap); /* obsolete */
extern void solver_create_state_maps(Solver *solv, Map *installedmap, Map *conflictsmap);
-/* XXX: why is this not static? */
-Id *solver_create_decisions_obsoletesmap(Solver *solv);
+extern void solver_calc_duchanges(Solver *solv, DUChanges *mps, int nmps);
+extern int solver_calc_installsizechange(Solver *solv);
+
+extern void pool_job2solvables(Pool *pool, Queue *pkgs, Id how, Id what);
+extern int pool_isemptyupdatejob(Pool *pool, Id how, Id what);
-void solver_calc_duchanges(Solver *solv, DUChanges *mps, int nmps);
-int solver_calc_installsizechange(Solver *solv);
-void solver_trivial_installable(Solver *solv, Queue *pkgs, Queue *res);
+extern const char *solver_select2str(Pool *pool, Id select, Id what);
+extern const char *pool_job2str(Pool *pool, Id how, Id what, Id flagmask);
+extern const char *solver_alternative2str(Solver *solv, int type, Id id, Id from);
-void solver_find_involved(Solver *solv, Queue *installedq, Solvable *s, Queue *q);
/* iterate over all literals of a rule */
-/* WARNING: loop body must not relocate whatprovidesdata, e.g. by
- * looking up the providers of a dependency */
-#define FOR_RULELITERALS(l, dp, r) \
- for (l = r->d < 0 ? -r->d - 1 : r->d, \
- dp = !l ? &r->w2 : pool->whatprovidesdata + l, \
- l = r->p; l; l = (dp != &r->w2 + 1 ? *dp++ : 0))
+#define FOR_RULELITERALS(l, pp, r) \
+ for (pp = r->d < 0 ? -r->d - 1 : r->d, \
+ l = r->p; l; l = (pp <= 0 ? (pp-- ? 0 : r->w2) : \
+ pool->whatprovidesdata[pp++]))
+
+
+
+
+/* XXX: this currently doesn't work correctly for SOLVER_SOLVABLE_REPO and
+ SOLVER_SOLVABLE_ALL */
/* iterate over all packages selected by a job */
#define FOR_JOB_SELECT(p, pp, select, what) \
else for (pp = (select == SOLVER_SOLVABLE ? 0 : \
select == SOLVER_SOLVABLE_ONE_OF ? what : \
pool_whatprovides(pool, what)), \
- p = (select == SOLVER_SOLVABLE ? what : pool->whatprovidesdata[pp++]) ; p ; p = pool->whatprovidesdata[pp++]) \
- if (select != SOLVER_SOLVABLE_NAME || pool_match_nevr(pool, pool->solvables + p, what))
+ p = (select == SOLVER_SOLVABLE ? what : pool->whatprovidesdata[pp++]); \
+ p ; p = pool->whatprovidesdata[pp++]) \
+ if (select == SOLVER_SOLVABLE_NAME && \
+ pool_match_nevr(pool, pool->solvables + p, what) == 0) \
+ continue; \
+ else
+
+/* weird suse stuff */
+extern void solver_trivial_installable(Solver *solv, Queue *pkgs, Queue *res);
#ifdef __cplusplus
}