X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fsolver.h;h=49ccec8b1bbea1e05118d5a2923ebc9b91233b14;hb=ba4d7201b44ecec1182b53571d98b2be4ca50264;hp=d321e632c3ab986be3dc7846450c6e07fb42bbf4;hpb=9e63fccb51e5425dd20d0750d573ff51ce6525bf;p=platform%2Fupstream%2Flibsolv.git diff --git a/src/solver.h b/src/solver.h index d321e63..49ccec8 100644 --- a/src/solver.h +++ b/src/solver.h @@ -10,71 +10,91 @@ * */ -#ifndef SATSOLVER_SOLVER_H -#define SATSOLVER_SOLVER_H - -#ifdef __cplusplus -extern "C" { -#endif +#ifndef LIBSOLV_SOLVER_H +#define LIBSOLV_SOLVER_H #include "pooltypes.h" #include "pool.h" #include "repo.h" #include "queue.h" #include "bitmap.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); +#include "transaction.h" +#include "rules.h" +#include "problems.h" + +#ifdef __cplusplus +extern "C" { +#endif +struct _Solver { + Pool *pool; /* back pointer to pool */ + Queue job; /* copy of the job we're solving */ -/* ---------------------------------------------- - * Rule - * - * providerN(B) == Package Id of package providing tag B - * N = 1, 2, 3, in case of multiple providers - * - * A requires B : !A | provider1(B) | provider2(B) - * - * A conflicts B : (!A | !provider1(B)) & (!A | !provider2(B)) ... - * - * 'not' is encoded as a negative Id - * - * Binary rule: p = first literal, d = 0, w2 = second literal, w1 = p - */ + int (*solution_callback)(struct _Solver *solv, void *data); + void *solution_callback_data; -typedef struct rule { - Id p; /* first literal in rule */ - Id d; /* Id offset into 'list of providers terminated by 0' as used by whatprovides; pool->whatprovides + d */ - /* in case of binary rules, d == 0, w1 == p, w2 == other literal */ - /* in case of disabled rules: ~d, aka -d - 1 */ - Id w1, w2; /* watches, literals not-yet-decided */ - /* if !w2, assertion, not rule */ - Id n1, n2; /* next rules in linked list, corresponding to w1,w2 */ -} Rule; - -struct solver; - -typedef struct solver { - Pool *pool; - Repo *installed; - + 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 + * see start/end offsets below + */ Rule *rules; /* all rules */ - Id nrules; /* index of the last rule */ + Id nrules; /* [Offset] index of the last rule */ + + Queue ruleassertions; /* Queue of all assertion rules */ + + /* start/end offset for rule 'areas' */ + + Id rpmrules_end; /* [Offset] rpm rules end */ + + Id featurerules; /* feature rules start/end */ + Id featurerules_end; - Id jobrules; /* user rules */ Id updaterules; /* policy rules, e.g. keep packages installed or update. All literals > 0 */ - Id featurerules; /* feature rules */ - Id learntrules; /* learnt rules */ + Id updaterules_end; + + Id jobrules; /* user rules */ + Id jobrules_end; + + Id infarchrules; /* inferior arch rules */ + Id infarchrules_end; + + Id duprules; /* dist upgrade rules */ + Id duprules_end; + + Id bestrules; /* rules from SOLVER_FORCEBEST */ + Id bestrules_end; + Id *bestrules_pkg; + + Id yumobsrules; /* rules from yum obsoletes handling */ + Id yumobsrules_end; + Id *yumobsrules_info; /* the dependency for each rule */ + + Id choicerules; /* choice rules (always weak) */ + Id choicerules_end; + Id *choicerules_ref; + + Id learntrules; /* learnt rules, (end == nrules) */ Map noupdate; /* don't try to update these installed solvables */ - Queue weakruleq; - Map weakrulemap; + 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 */ + + Queue weakruleq; /* index into 'rules' for weak ones */ + Map weakrulemap; /* map rule# to '1' for weak rules, 1..learntrules */ Id *watches; /* Array of rule offsets * watches has nsolvables*2 entries and is addressed from the middle @@ -82,28 +102,35 @@ typedef struct solver { * middle+solvable : decision to install: offset point to linked-list of rules */ - Queue ruletojob; + Queue ruletojob; /* index into job queue: jobs for which a rule exits */ /* our decisions: */ - Queue decisionq; + Queue decisionq; /* >0:install, <0:remove/conflict */ Queue decisionq_why; /* index of rule, Offset into rules */ - int directdecisions; /* number of decisions with no rule */ - Id *decisionmap; /* map for all available solvables, > 0: level of decision when installed, < 0 level of decision when conflict */ + Id *decisionmap; /* map for all available solvables, + * = 0: undecided + * > 0: level of decision when installed, + * < 0: level of decision when conflict */ + + int decisioncnt_jobs; + int decisioncnt_update; + int decisioncnt_keep; + int decisioncnt_resolve; + int decisioncnt_weak; + int decisioncnt_orphan; /* learnt rule history */ Queue learnt_why; 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 */ - int propagate_index; + Queue problems; /* list of lists of conflicting rules, < 0 for job rules */ + Queue solutions; /* refined problem storage space */ - Queue problems; - Queue recommendations; /* recommended packages */ - Queue suggestions; /* suggested packages */ + Queue orphaned; /* orphaned packages (to be removed?) */ int stats_learned; /* statistic */ int stats_unsolvable; /* statistic */ @@ -111,207 +138,231 @@ typedef struct solver { 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 *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; /* distupgrade */ - int allowvirtualconflicts; /* false: conflicts on package name, true: conflicts on package provides */ - int allowselfconflicts; /* true: packages wich conflict with itself are installable */ - int obsoleteusesprovides; /* true: obsoletes are matched against provides, not names */ - int implicitobsoleteusesprovides; /* true: implicit obsoletes due to same name are matched against provides, not names */ int noupdateprovide; /* true: update packages needs not to provide old package */ int dosplitprovides; /* true: consider legacy split provides */ int dontinstallrecommended; /* true: do not install recommended 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 */ - - /* 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; - - /* some strange queue that doesn't belong here */ + int noinfarchcheck; /* true: do not forbid inferior architectures */ + 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 do_yum_obsoletes; /* true: add special yumobs rules */ + + Map dupmap; /* dup these packages*/ + int dupmap_all; /* dup all packages */ + Map dupinvolvedmap; /* packages involved in dup process */ + 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() */ + + Queue *cleandeps_updatepkgs; /* packages we update in cleandeps mode */ + Queue *cleandeps_mistakes; /* mistakes we made */ - Queue covenantq; /* Covenants honored by this solver (generic locks) */ + Queue *update_targets; /* update to specific packages */ - -} Solver; + Queue *installsuppdepq; /* deps from the install namespace provides hack */ + + Queue addedmap_deduceq; /* deduce addedmap from rpm 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 */ +#endif /* LIBSOLV_INTERNAL */ +}; + +typedef struct _Solver Solver; /* * queue commands */ -typedef enum { - SOLVCMD_NULL=0, - SOLVER_INSTALL_SOLVABLE, - SOLVER_ERASE_SOLVABLE, - SOLVER_INSTALL_SOLVABLE_NAME, - SOLVER_ERASE_SOLVABLE_NAME, - SOLVER_INSTALL_SOLVABLE_PROVIDES, - SOLVER_ERASE_SOLVABLE_PROVIDES, - SOLVER_INSTALL_SOLVABLE_UPDATE, - SOLVER_INSTALL_SOLVABLE_ONE_OF, - SOLVER_WEAKEN_SOLVABLE_DEPS, - SOLVER_WEAK = 0x100, -} SolverCmd; - -typedef enum { - SOLVER_PROBLEM_UPDATE_RULE, - SOLVER_PROBLEM_JOB_RULE, - SOLVER_PROBLEM_JOB_NOTHING_PROVIDES_DEP, - SOLVER_PROBLEM_NOT_INSTALLABLE, - SOLVER_PROBLEM_NOTHING_PROVIDES_DEP, - SOLVER_PROBLEM_SAME_NAME, - SOLVER_PROBLEM_PACKAGE_CONFLICT, - SOLVER_PROBLEM_PACKAGE_OBSOLETES, - SOLVER_PROBLEM_DEP_PROVIDERS_NOT_INSTALLABLE, - SOLVER_PROBLEM_SELF_CONFLICT -} SolverProbleminfo; - - -extern Solver *solver_create(Pool *pool, Repo *installed); +#define SOLVER_SOLVABLE 0x01 +#define SOLVER_SOLVABLE_NAME 0x02 +#define SOLVER_SOLVABLE_PROVIDES 0x03 +#define SOLVER_SOLVABLE_ONE_OF 0x04 +#define SOLVER_SOLVABLE_REPO 0x05 +#define SOLVER_SOLVABLE_ALL 0x06 + +#define SOLVER_SELECTMASK 0xff + +#define SOLVER_NOOP 0x0000 +#define SOLVER_INSTALL 0x0100 +#define SOLVER_ERASE 0x0200 +#define SOLVER_UPDATE 0x0300 +#define SOLVER_WEAKENDEPS 0x0400 +#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_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_SETARCH 0x04000000 +#define SOLVER_SETVENDOR 0x08000000 +#define SOLVER_SETREPO 0x10000000 +#define SOLVER_NOAUTOSET 0x20000000 +#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 GET_USERINSTALLED_NAMES (1 << 0) /* package names instead if ids */ +#define GET_USERINSTALLED_INVERTED (1 << 1) /* autoinstalled */ + +extern Solver *solver_create(Pool *pool); extern void solver_free(Solver *solv); -extern void solver_solve(Solver *solv, Queue *job); -extern int solver_dep_installed(Solver *solv, Id dep); -extern int solver_splitprovides(Solver *solv, Id dep); - -extern Id solver_next_problem(Solver *solv, Id problem); -extern Id solver_next_solution(Solver *solv, Id problem, Id solution); -extern Id solver_next_solutionelement(Solver *solv, Id problem, Id solution, Id element, Id *p, Id *rp); -extern Id solver_findproblemrule(Solver *solv, Id problem); -extern SolverProbleminfo solver_problemruleinfo(Solver *solv, Queue *job, Id rid, Id *depp, Id *sourcep, Id *targetp); - -/* XXX: why is this not static? */ -Id *create_decisions_obsoletesmap(Solver *solv); - -static inline int -solver_dep_fulfilled(Solver *solv, Id dep) -{ - Pool *pool = solv->pool; - Id p, *pp; - - if (ISRELDEP(dep)) - { - Reldep *rd = GETRELDEP(pool, dep); - if (rd->flags == REL_AND) - { - if (!solver_dep_fulfilled(solv, rd->name)) - return 0; - return solver_dep_fulfilled(solv, rd->evr); - } - if (rd->flags == REL_NAMESPACE && rd->name == NAMESPACE_SPLITPROVIDES) - return solver_splitprovides(solv, rd->evr); - if (rd->flags == REL_NAMESPACE && rd->name == NAMESPACE_INSTALLED) - return solver_dep_installed(solv, rd->evr); - } - FOR_PROVIDES(p, pp, dep) - { - if (solv->decisionmap[p] > 0) - return 1; - } - return 0; -} +extern int solver_solve(Solver *solv, Queue *job); +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); -static inline int -solver_is_supplementing(Solver *solv, Solvable *s) -{ - Id sup, *supp; - if (!s->supplements && !s->freshens) - return 0; - if (s->supplements) - { - supp = s->repo->idarraydata + s->supplements; - while ((sup = *supp++) != 0) - if (solver_dep_fulfilled(solv, sup)) - break; - if (!sup) - return 0; - } - if (s->freshens) - { - supp = s->repo->idarraydata + s->freshens; - while ((sup = *supp++) != 0) - if (solver_dep_fulfilled(solv, sup)) - break; - if (!sup) - return 0; - } - return 1; -} +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); -static inline int -solver_is_enhancing(Solver *solv, Solvable *s) -{ - Id enh, *enhp; - if (!s->enhances) - return 0; - enhp = s->repo->idarraydata + s->enhances; - while ((enh = *enhp++) != 0) - if (solver_dep_fulfilled(solv, enh)) - return 1; - return 0; -} +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); -void solver_calc_duchanges(Solver *solv, DUChanges *mps, int nmps); -int solver_calc_installsizechange(Solver *solv); +extern int solver_describe_decision(Solver *solv, Id p, Id *infop); +extern void solver_describe_weakdep_decision(Solver *solv, Id p, Queue *whyq); -static inline void -solver_create_state_maps(Solver *solv, Map *installedmap, Map *conflictsmap) -{ - pool_create_state_maps(solv->pool, &solv->decisionq, installedmap, conflictsmap); -} -#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)) +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); + +extern void solver_calc_duchanges(Solver *solv, DUChanges *mps, int nmps); +extern int solver_calc_installsizechange(Solver *solv); +extern void solver_trivial_installable(Solver *solv, Queue *pkgs, Queue *res); + +extern void pool_job2solvables(Pool *pool, Queue *pkgs, Id how, Id what); +extern int pool_isemptyupdatejob(Pool *pool, Id how, Id what); + +extern const char *solver_select2str(Pool *pool, Id select, Id what); +extern const char *pool_job2str(Pool *pool, Id how, Id what, Id flagmask); + +/* iterate over all literals of a rule */ +#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) \ + if (select == SOLVER_SOLVABLE_REPO || select == SOLVER_SOLVABLE_ALL) \ + p = pp = 0; \ + 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) == 0) \ + continue; \ + else #ifdef __cplusplus } #endif -#endif /* SATSOLVER_SOLVER_H */ +#endif /* LIBSOLV_SOLVER_H */