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1 | /* |
2 | * Copyright (c) 2017 Jon Turney | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * A copy of the GNU General Public License can be found at | |
10 | * http://www.gnu.org/ | |
11 | * | |
12 | */ | |
13 | ||
14 | #ifndef LIBSOLV_H | |
15 | #define LIBSOLV_H | |
16 | ||
17 | #include "solv/pool.h" | |
18 | #include "solv/repo.h" | |
1d553f34 | 19 | #include "solv/solver.h" |
1c159e0a JT |
20 | #include "PackageSpecification.h" |
21 | #include "PackageTrust.h" | |
22 | #include "package_source.h" | |
23 | #include "package_depends.h" | |
24 | #include <map> | |
25 | #include <vector> | |
26 | ||
27 | typedef trusts package_stability_t; | |
28 | ||
29 | typedef enum | |
30 | { | |
31 | package_binary, | |
32 | package_source | |
33 | } | |
34 | package_type_t; | |
35 | ||
36 | // --------------------------------------------------------------------------- | |
37 | // interface to class SolverVersion | |
38 | // | |
39 | // a wrapper around a libsolv Solvable | |
40 | // --------------------------------------------------------------------------- | |
41 | ||
42 | class SolverPool; | |
1d553f34 | 43 | class SolverSolution; |
1c159e0a JT |
44 | |
45 | class SolvableVersion | |
46 | { | |
47 | public: | |
48 | SolvableVersion() : id(0), pool(0) {}; | |
49 | SolvableVersion(Id _id, Pool *_pool) : id(_id), pool(_pool) {}; | |
50 | ||
51 | // converted to a bool, this is true if this isn't the result of the default | |
52 | // constructor (an 'empty' version, in some sense) | |
53 | explicit operator bool () const { return (id != 0); } | |
54 | ||
55 | const std::string Name () const; | |
56 | const std::string SDesc () const; | |
57 | // In setup-speak, 'Canonical' version means 'e:v-r', the non-decomposed version | |
58 | const std::string Canonical_version () const; | |
5ebe14e4 | 59 | // Return the dependency list |
1c159e0a | 60 | const PackageDepends depends() const; |
5ebe14e4 KB |
61 | // Return the obsoletes list |
62 | const PackageDepends obsoletes() const; | |
6d23697e KB |
63 | // Return the provides list |
64 | const PackageDepends provides() const; | |
65 | // Return the conflicts list | |
66 | const PackageDepends conflicts() const; | |
1c159e0a JT |
67 | bool accessible () const; |
68 | package_type_t Type () const; | |
69 | package_stability_t Stability () const; | |
c59b92e8 JT |
70 | // the associated source package name, if this is a binary package |
71 | const std::string sourcePackageName () const; | |
1c159e0a JT |
72 | // the associated source package, if this is a binary package |
73 | SolvableVersion sourcePackage () const; | |
74 | // where this package archive can be obtained from | |
75 | packagesource *source() const; | |
76 | ||
c59b92e8 JT |
77 | // fixup spkg_id |
78 | void fixup_spkg_id(SolvableVersion spkg_id) const; | |
79 | ||
1c159e0a JT |
80 | // utility function to compare package versions |
81 | static int compareVersions(const SolvableVersion &a, const SolvableVersion &b); | |
82 | ||
83 | // comparison operators | |
84 | ||
85 | // these are somewhat necessary as otherwise we are compared as bool values | |
86 | bool operator == (SolvableVersion const &) const; | |
87 | bool operator != (SolvableVersion const &) const; | |
88 | ||
89 | // these are only well defined for versions of the same package | |
90 | bool operator < (SolvableVersion const &) const; | |
91 | bool operator <= (SolvableVersion const &) const; | |
92 | bool operator > (SolvableVersion const &) const; | |
93 | bool operator >= (SolvableVersion const &) const; | |
94 | ||
972b2d9a JT |
95 | void remove() const; |
96 | ||
1c159e0a JT |
97 | private: |
98 | Id id; | |
99 | Pool *pool; | |
100 | ||
101 | friend SolverPool; | |
1d553f34 | 102 | friend SolverSolution; |
5ebe14e4 KB |
103 | |
104 | const PackageDepends deplist(Id keyname) const; | |
bfe593cf | 105 | Id name_id () const; |
1c159e0a JT |
106 | }; |
107 | ||
108 | // --------------------------------------------------------------------------- | |
109 | // Helper class SolvRepo | |
110 | // | |
111 | // --------------------------------------------------------------------------- | |
112 | ||
113 | class SolvRepo | |
114 | { | |
115 | public: | |
3c3d695d KB |
116 | typedef enum |
117 | { | |
118 | priorityLow = 0, | |
119 | priorityNormal, | |
120 | priorityHigh, | |
121 | } priority_t; | |
1c159e0a JT |
122 | Repo *repo; |
123 | Repodata *data; | |
124 | bool test; | |
3c3d695d | 125 | void setPriority(priority_t p) { repo->priority = p; } |
1c159e0a JT |
126 | }; |
127 | ||
128 | // --------------------------------------------------------------------------- | |
129 | // interface to class SolverPool | |
130 | // | |
131 | // a simplified wrapper for libsolv | |
132 | // --------------------------------------------------------------------------- | |
133 | ||
134 | class SolverPool | |
135 | { | |
136 | public: | |
137 | SolverPool(); | |
ab67dafa | 138 | void clear(); |
1c159e0a JT |
139 | SolvRepo *getRepo(const std::string &name, bool test = false); |
140 | ||
141 | // Utility class for passing arguments to addPackage() | |
142 | class addPackageData | |
143 | { | |
144 | public: | |
145 | std::string reponame; | |
146 | std::string version; | |
147 | std::string vendor; | |
148 | std::string sdesc; | |
149 | std::string ldesc; | |
150 | package_stability_t stability; | |
151 | package_type_t type; | |
152 | packagesource archive; | |
153 | PackageSpecification spkg; | |
154 | SolvableVersion spkg_id; | |
155 | PackageDepends *requires; | |
20b98f20 | 156 | PackageDepends *obsoletes; |
9c3e3256 | 157 | PackageDepends *provides; |
e6433da6 | 158 | PackageDepends *conflicts; |
1c159e0a JT |
159 | }; |
160 | ||
161 | SolvableVersion addPackage(const std::string& pkgname, | |
162 | const addPackageData &pkgdata); | |
163 | ||
164 | void internalize(void); | |
1d553f34 JT |
165 | void use_test_packages(bool use_test_packages); |
166 | ||
1c159e0a JT |
167 | |
168 | private: | |
ab67dafa | 169 | void init(); |
1c159e0a JT |
170 | Id makedeps(Repo *repo, PackageDepends *requires); |
171 | Pool *pool; | |
172 | ||
173 | typedef std::map<std::string, SolvRepo *> RepoList; | |
174 | RepoList repos; | |
1d553f34 JT |
175 | |
176 | friend SolverSolution; | |
1c159e0a JT |
177 | }; |
178 | ||
179 | ||
1d553f34 JT |
180 | // --------------------------------------------------------------------------- |
181 | // interface to class SolverTaskQueue | |
182 | // | |
183 | // This is used to contain a set of package install/uninstall tasks selected via | |
184 | // the UI to be passed to solver | |
185 | // --------------------------------------------------------------------------- | |
186 | ||
187 | class SolverTasks | |
188 | { | |
189 | public: | |
190 | enum task | |
191 | { | |
192 | taskInstall, | |
193 | taskUninstall, | |
9deed604 KB |
194 | taskReinstall, |
195 | taskKeep, | |
bfe593cf | 196 | taskSkip, |
d2e0c29e | 197 | taskForceDistUpgrade, |
1d553f34 JT |
198 | }; |
199 | void add(const SolvableVersion &v, task t) | |
200 | { | |
201 | tasks.push_back(taskList::value_type(v, t)); | |
202 | }; | |
16994679 KB |
203 | /* Create solver tasks corresponding to state of database */ |
204 | void setTasks(); | |
205 | ||
1d553f34 | 206 | private: |
389e4dff | 207 | typedef std::vector<std::pair<const SolvableVersion, task>> taskList; |
1d553f34 JT |
208 | taskList tasks; |
209 | ||
210 | friend SolverSolution; | |
211 | }; | |
212 | ||
213 | // --------------------------------------------------------------------------- | |
214 | // SolverTransactionList | |
215 | // | |
216 | // a list of transactions output by the solver | |
217 | // --------------------------------------------------------------------------- | |
218 | ||
219 | class SolverTransaction | |
220 | { | |
221 | public: | |
222 | typedef enum | |
223 | { | |
224 | transIgnore, | |
225 | transInstall, | |
226 | transErase, | |
227 | } transType; | |
228 | ||
229 | SolverTransaction(SolvableVersion version_, transType type_) : | |
230 | version(version_), type(type_) {}; | |
231 | ||
232 | SolvableVersion version; | |
233 | transType type; | |
234 | }; | |
235 | ||
236 | typedef std::vector<SolverTransaction> SolverTransactionList; | |
237 | ||
238 | // --------------------------------------------------------------------------- | |
239 | // interface to class SolverSolution | |
240 | // | |
241 | // A wrapper around the libsolv solver | |
242 | // --------------------------------------------------------------------------- | |
243 | ||
244 | class SolverSolution | |
245 | { | |
246 | public: | |
2506055b | 247 | SolverSolution(SolverPool &_pool); |
1d553f34 | 248 | ~SolverSolution(); |
ab67dafa | 249 | void clear(); |
1d553f34 | 250 | |
7c94d449 KB |
251 | /* Reset package database to correspond to trans */ |
252 | void trans2db() const; | |
253 | ||
9a7507eb KB |
254 | /* Reset transaction list to correspond to package database */ |
255 | void db2trans(); | |
256 | ||
45f5ab69 JT |
257 | enum updateMode |
258 | { | |
259 | keep, // don't update | |
260 | updateBest, // update to best version | |
261 | updateForce, // distupdate: downgrade if necessary to best version in repo | |
262 | }; | |
2506055b JT |
263 | bool update(SolverTasks &tasks, updateMode update, bool use_test_packages); |
264 | void augmentTasks(SolverTasks &tasks); | |
265 | void addSource(bool include_source); | |
266 | void applyDefaultProblemSolutions(); | |
1d553f34 JT |
267 | std::string report() const; |
268 | ||
269 | const SolverTransactionList &transactions() const; | |
2506055b | 270 | void dumpTransactionList() const; |
1d553f34 JT |
271 | |
272 | private: | |
273 | static SolverTransaction::transType type(Transaction *trans, int pos); | |
2506055b JT |
274 | bool solve(); |
275 | void tasksToJobs(SolverTasks &tasks, updateMode update, Queue &job); | |
276 | void solutionToTransactionList(); | |
1d553f34 JT |
277 | |
278 | SolverPool &pool; | |
279 | Solver *solv; | |
2506055b | 280 | Queue job; |
1d553f34 JT |
281 | SolverTransactionList trans; |
282 | }; | |
283 | ||
1c159e0a | 284 | #endif // LIBSOLV_H |