[280] | 1 | /* rpackagelister.h - package cache and list manipulation |
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| 2 | * |
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| 3 | * Copyright (c) 2000, 2001 Conectiva S/A |
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| 4 | * 2002 Michael Vogt <mvo@debian.org> |
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| 5 | * |
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| 6 | * Author: Alfredo K. Kojima <kojima@conectiva.com.br> |
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| 7 | * Michael Vogt <mvo@debian.org> |
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| 8 | * |
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| 9 | * This program is free software; you can redistribute it and/or |
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| 10 | * modify it under the terms of the GNU General Public License as |
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| 11 | * published by the Free Software Foundation; either version 2 of the |
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| 12 | * License, or (at your option) any later version. |
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| 13 | * |
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| 14 | * This program is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this program; if not, write to the Free Software |
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| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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| 22 | * USA |
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| 23 | */ |
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| 24 | |
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| 25 | |
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| 26 | |
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| 27 | #ifndef _RPACKAGELISTER_H_ |
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| 28 | #define _RPACKAGELISTER_H_ |
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| 29 | |
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| 30 | |
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| 31 | #include <vector> |
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| 32 | #include <list> |
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| 33 | #include <map> |
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| 34 | #include <set> |
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| 35 | #include <regex.h> |
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| 36 | #include <apt-pkg/depcache.h> |
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| 37 | |
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| 38 | #include "rpackagecache.h" |
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| 39 | #include "rpackage.h" |
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| 40 | #include "rpackageview.h" |
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| 41 | #include "ruserdialog.h" |
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| 42 | #include "config.h" |
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| 43 | |
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| 44 | using namespace std; |
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| 45 | |
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| 46 | class OpProgress; |
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| 47 | class RPackageCache; |
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| 48 | class RPackageFilter; |
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| 49 | class RCacheActor; |
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| 50 | class RPackageViewFilter; |
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| 51 | class RPackageViewSearch; |
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| 52 | class pkgRecords; |
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| 53 | class pkgAcquireStatus; |
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| 54 | class pkgPackageManager; |
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| 55 | |
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| 56 | |
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| 57 | struct RFilter; |
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| 58 | class RPackageView; |
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| 59 | |
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| 60 | class RInstallProgress; |
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| 61 | |
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| 62 | class RPackageObserver { |
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| 63 | public: |
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| 64 | virtual void notifyChange(RPackage *pkg) = 0; |
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| 65 | virtual void notifyPreFilteredChange() = 0; |
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| 66 | virtual void notifyPostFilteredChange() = 0; |
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| 67 | virtual ~RPackageObserver() {}; |
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| 68 | }; |
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| 69 | |
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| 70 | class RCacheObserver { |
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| 71 | public: |
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| 72 | virtual void notifyCacheOpen() = 0; |
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| 73 | virtual void notifyCachePreChange() = 0; |
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| 74 | virtual void notifyCachePostChange() = 0; |
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| 75 | virtual ~RCacheObserver() {}; |
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| 76 | }; |
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| 77 | |
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| 78 | // base sort class |
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| 79 | // for a example use see sortPackages() |
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| 80 | template<class T> |
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| 81 | class sortFunc { |
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| 82 | protected: |
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| 83 | bool _ascent; |
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| 84 | T cmp; |
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| 85 | public: |
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| 86 | sortFunc(bool ascent) : _ascent(ascent) {}; |
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| 87 | bool operator() (RPackage *x, RPackage *y) { |
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| 88 | if(_ascent) |
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| 89 | return cmp(x,y); |
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| 90 | else |
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| 91 | return cmp(y,x); |
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| 92 | } |
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| 93 | }; |
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| 94 | |
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| 95 | |
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| 96 | class RPackageLister { |
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| 97 | |
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| 98 | protected: |
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| 99 | |
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| 100 | // Internal APT stuff. |
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| 101 | RPackageCache * _cache; |
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| 102 | pkgRecords *_records; |
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| 103 | OpProgress *_progMeter; |
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| 104 | |
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| 105 | // Other members. |
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| 106 | vector<RPackage *> _packages; |
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| 107 | vector<int> _packagesIndex; |
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| 108 | |
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| 109 | vector<RPackage *> _viewPackages; |
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| 110 | vector<int> _viewPackagesIndex; |
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| 111 | |
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| 112 | // It shouldn't be needed to control this inside this class. -- niemeyer |
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| 113 | bool _updating; |
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| 114 | |
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| 115 | // all known packages (needed identifing "new" pkgs) |
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| 116 | set<string> packageNames; |
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| 117 | |
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| 118 | bool _cacheValid; // is the cache valid? |
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| 119 | |
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| 120 | int _installedCount; // # of installed packages |
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| 121 | |
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| 122 | vector<RCacheActor *> _actors; |
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| 123 | |
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| 124 | RPackageViewFilter *_filterView; // the package view that does the filtering |
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| 125 | RPackageViewSearch *_searchView; // the package view that does the (simple) search |
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| 126 | |
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| 127 | public: |
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| 128 | |
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| 129 | unsigned int _viewMode; |
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| 130 | |
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| 131 | typedef enum { |
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| 132 | LIST_SORT_NAME, |
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| 133 | LIST_SORT_SIZE_ASC, |
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| 134 | LIST_SORT_SIZE_DES, |
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| 135 | LIST_SORT_SUPPORTED_ASC, |
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| 136 | LIST_SORT_SUPPORTED_DES, |
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| 137 | LIST_SORT_SECTION_ASC, |
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| 138 | LIST_SORT_SECTION_DES, |
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| 139 | LIST_SORT_COMPONENT_ASC, |
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| 140 | LIST_SORT_COMPONENT_DES, |
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| 141 | LIST_SORT_DLSIZE_ASC, |
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| 142 | LIST_SORT_DLSIZE_DES, |
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| 143 | LIST_SORT_STATUS_ASC, |
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| 144 | LIST_SORT_STATUS_DES, |
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| 145 | LIST_SORT_VERSION_ASC, |
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| 146 | LIST_SORT_VERSION_DES, |
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| 147 | LIST_SORT_INST_VERSION_ASC, |
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| 148 | LIST_SORT_INST_VERSION_DES |
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| 149 | } listSortMode; |
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| 150 | listSortMode _sortMode; |
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| 151 | |
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| 152 | #ifdef HAVE_RPM |
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| 153 | typedef pkgDepCache::State pkgState; |
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| 154 | #else |
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| 155 | typedef vector<int> pkgState; |
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| 156 | #endif |
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| 157 | |
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| 158 | private: |
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| 159 | |
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| 160 | vector<RPackageView *> _views; |
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| 161 | RPackageView *_selectedView; |
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| 162 | RPackageStatus _pkgStatus; |
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| 163 | |
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| 164 | void applyInitialSelection(); |
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| 165 | |
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| 166 | bool lockPackageCache(FileFd &lock); |
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| 167 | |
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| 168 | void sortPackages(vector<RPackage *> &packages,listSortMode mode); |
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| 169 | |
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| 170 | struct { |
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| 171 | char *pattern; |
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| 172 | regex_t regex; |
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| 173 | bool isRegex; |
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| 174 | int last; |
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| 175 | } _searchData; |
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| 176 | |
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| 177 | vector<RPackageObserver *> _packageObservers; |
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| 178 | vector<RCacheObserver *> _cacheObservers; |
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| 179 | |
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| 180 | RUserDialog *_userDialog; |
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| 181 | |
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| 182 | void makeCommitLog(); |
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| 183 | void writeCommitLog(); |
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| 184 | string _logEntry; |
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| 185 | time_t _logTime; |
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| 186 | |
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| 187 | // undo/redo stuff |
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| 188 | list<pkgState> undoStack; |
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| 189 | list<pkgState> redoStack; |
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| 190 | |
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| 191 | public: |
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| 192 | // clean files older than "Synaptic::delHistory" |
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| 193 | void cleanCommitLog(); |
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| 194 | |
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| 195 | void sortPackages(listSortMode mode) { |
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| 196 | sortPackages(_viewPackages, mode); |
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| 197 | }; |
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| 198 | |
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| 199 | void setView(unsigned int index); |
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| 200 | vector<string> getViews(); |
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| 201 | vector<string> getSubViews(); |
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| 202 | |
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| 203 | // set subView (if newView is empty, set to all packages) |
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| 204 | bool setSubView(string newView=""); |
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| 205 | |
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| 206 | // this needs a different name, something like refresh |
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| 207 | void reapplyFilter(); |
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| 208 | |
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| 209 | // is is exposed for the stuff like filter manager window |
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| 210 | RPackageViewFilter *filterView() { return _filterView; }; |
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| 211 | RPackageViewSearch *searchView() { return _searchView; }; |
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| 212 | |
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| 213 | // find |
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| 214 | int findPackage(const char *pattern); |
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| 215 | int findNextPackage(); |
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| 216 | |
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| 217 | const vector<RPackage *> &getPackages() { return _packages; }; |
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| 218 | const vector<RPackage *> &getViewPackages() { return _viewPackages; }; |
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| 219 | RPackage *getPackage(int index) { return _packages.at(index); }; |
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| 220 | RPackage *getViewPackage(int index) { return _viewPackages.at(index); }; |
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| 221 | RPackage *getPackage(pkgCache::PkgIterator &pkg); |
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| 222 | RPackage *getPackage(string name); |
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| 223 | int getPackageIndex(RPackage *pkg); |
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| 224 | int getViewPackageIndex(RPackage *pkg); |
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| 225 | |
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| 226 | int packagesSize() { return _packages.size(); }; |
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| 227 | int viewPackagesSize() { return _updating ? 0 : _viewPackages.size(); }; |
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| 228 | |
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| 229 | void getStats(int &installed, int &broken, int &toInstall, int &toReInstall, |
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| 230 | int &toRemove, double &sizeChange); |
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| 231 | |
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| 232 | void getSummary(int &held, int &kept, int &essential, |
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| 233 | int &toInstall, int &toReInstall, int &toUpgrade, |
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| 234 | int &toRemove, int &toDowngrade, |
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| 235 | int &unAuthenticated, double &sizeChange); |
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| 236 | |
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| 237 | |
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| 238 | void getDetailedSummary(vector<RPackage *> &held, |
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| 239 | vector<RPackage *> &kept, |
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| 240 | vector<RPackage *> &essential, |
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| 241 | vector<RPackage *> &toInstall, |
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| 242 | vector<RPackage *> &toReInstall, |
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| 243 | vector<RPackage *> &toUpgrade, |
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| 244 | vector<RPackage *> &toRemove, |
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| 245 | vector<RPackage *> &toPurge, |
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| 246 | vector<RPackage *> &toDowngrade, |
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| 247 | #ifdef WITH_APT_AUTH |
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| 248 | vector<string> ¬Authenticated, |
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| 249 | #endif |
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| 250 | double &sizeChange); |
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| 251 | |
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| 252 | void getDownloadSummary(int &dlCount, double &dlSize); |
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| 253 | |
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| 254 | void saveUndoState(pkgState &state); |
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| 255 | void saveUndoState(); |
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| 256 | void undo(); |
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| 257 | void redo(); |
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| 258 | void saveState(pkgState &state); |
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| 259 | void restoreState(pkgState &state); |
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| 260 | bool getStateChanges(pkgState &state, |
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| 261 | vector<RPackage *> &kept, |
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| 262 | vector<RPackage *> &toInstall, |
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| 263 | vector<RPackage *> &toReInstall, |
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| 264 | vector<RPackage *> &toUpgrade, |
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| 265 | vector<RPackage *> &toRemove, |
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| 266 | vector<RPackage *> &toDowngrade, |
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| 267 | vector<RPackage *> ¬Authenticated, |
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| 268 | vector<RPackage *> &exclude, bool sorted = true); |
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| 269 | |
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| 270 | // open it with lock |
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| 271 | bool openCache(bool lock=true); |
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| 272 | |
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| 273 | bool fixBroken(); |
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| 274 | |
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| 275 | bool check(); |
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| 276 | bool upgradable(); |
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| 277 | |
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| 278 | bool upgrade(); |
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| 279 | bool distUpgrade(); |
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| 280 | |
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| 281 | bool cleanPackageCache(bool forceClean = false); |
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| 282 | |
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| 283 | bool updateCache(pkgAcquireStatus *status, string &error); |
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| 284 | bool commitChanges(pkgAcquireStatus *status, RInstallProgress *iprog); |
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| 285 | |
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| 286 | void setProgressMeter(OpProgress *progMeter) { |
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| 287 | if(_progMeter != NULL) |
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| 288 | delete _progMeter; |
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| 289 | _progMeter = progMeter; |
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| 290 | }; |
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| 291 | |
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| 292 | void setUserDialog(RUserDialog *dialog) { |
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| 293 | _userDialog = dialog; |
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| 294 | }; |
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| 295 | |
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| 296 | // policy stuff |
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| 297 | vector<string> getPolicyArchives(bool filenames_only=false) { |
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| 298 | if (_cacheValid) |
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| 299 | return _cache->getPolicyArchives(filenames_only); |
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| 300 | else |
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| 301 | return vector<string>(); |
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| 302 | }; |
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| 303 | |
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| 304 | // notification stuff about changes in packages |
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| 305 | void notifyPreChange(RPackage *pkg); |
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| 306 | void notifyPostChange(RPackage *pkg); |
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| 307 | void notifyChange(RPackage *pkg); |
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| 308 | void registerObserver(RPackageObserver *observer); |
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| 309 | void unregisterObserver(RPackageObserver *observer); |
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| 310 | |
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| 311 | // notification stuff about changes in cache |
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| 312 | void notifyCacheOpen(); |
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| 313 | void notifyCachePreChange(); |
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| 314 | void notifyCachePostChange(); |
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| 315 | void registerCacheObserver(RCacheObserver *observer); |
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| 316 | void unregisterCacheObserver(RCacheObserver *observer); |
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| 317 | |
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| 318 | bool readSelections(istream &in); |
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| 319 | bool writeSelections(ostream &out, bool fullState); |
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| 320 | |
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| 321 | RPackageCache* getCache() { return _cache; }; |
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| 322 | |
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| 323 | RPackageLister(); |
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| 324 | ~RPackageLister(); |
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| 325 | }; |
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| 326 | |
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| 327 | |
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| 328 | #endif |
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| 329 | |
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| 330 | // vim:ts=3:sw=3:et |
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