| 1 | /* vi: ts=8 sts=4 sw=4 |
|---|---|
| 2 | |
| 3 | This file is part of the KDE project, module kdesu. |
| 4 | SPDX-FileCopyrightText: 1999, 2000 Geert Jansen <g.t.jansen@stud.tue.nl> |
| 5 | */ |
| 6 | |
| 7 | #include "repo.h" |
| 8 | |
| 9 | #include <ksud_debug.h> |
| 10 | |
| 11 | #include <assert.h> |
| 12 | #include <time.h> |
| 13 | |
| 14 | #include <QStack> |
| 15 | |
| 16 | Repository::Repository() |
| 17 | { |
| 18 | head_time = (unsigned)-1; |
| 19 | } |
| 20 | |
| 21 | Repository::~Repository() |
| 22 | { |
| 23 | } |
| 24 | |
| 25 | void Repository::add(const QByteArray &key, Data_entry &data) |
| 26 | { |
| 27 | RepoIterator it = repo.find(key); |
| 28 | if (it != repo.end()) { |
| 29 | remove(key); |
| 30 | } |
| 31 | if (data.timeout == 0) { |
| 32 | data.timeout = (unsigned)-1; |
| 33 | } else { |
| 34 | data.timeout += time(timer: nullptr); |
| 35 | } |
| 36 | head_time = qMin(a: head_time, b: data.timeout); |
| 37 | repo.insert(key, value: data); |
| 38 | } |
| 39 | |
| 40 | int Repository::remove(const QByteArray &key) |
| 41 | { |
| 42 | if (key.isEmpty()) { |
| 43 | return -1; |
| 44 | } |
| 45 | |
| 46 | RepoIterator it = repo.find(key); |
| 47 | if (it == repo.end()) { |
| 48 | return -1; |
| 49 | } |
| 50 | it.value().value.fill(c: 'x'); |
| 51 | it.value().group.fill(c: 'x'); |
| 52 | repo.erase(it); |
| 53 | return 0; |
| 54 | } |
| 55 | |
| 56 | int Repository::removeSpecialKey(const QByteArray &key) |
| 57 | { |
| 58 | int found = -1; |
| 59 | if (!key.isEmpty()) { |
| 60 | QStack<QByteArray> rm_keys; |
| 61 | for (RepoCIterator it = repo.constBegin(); it != repo.constEnd(); ++it) { |
| 62 | if (key.indexOf(bv: it.value().group) == 0 && it.key().indexOf(bv: key) >= 0) { |
| 63 | rm_keys.push(t: it.key()); |
| 64 | found = 0; |
| 65 | } |
| 66 | } |
| 67 | while (!rm_keys.isEmpty()) { |
| 68 | qCDebug(KSUD_LOG) << "Removed key: "<< rm_keys.top(); |
| 69 | remove(key: rm_keys.pop()); |
| 70 | } |
| 71 | } |
| 72 | return found; |
| 73 | } |
| 74 | |
| 75 | int Repository::removeGroup(const QByteArray &group) |
| 76 | { |
| 77 | int found = -1; |
| 78 | if (!group.isEmpty()) { |
| 79 | QStack<QByteArray> rm_keys; |
| 80 | for (RepoCIterator it = repo.constBegin(); it != repo.constEnd(); ++it) { |
| 81 | if (it.value().group == group) { |
| 82 | rm_keys.push(t: it.key()); |
| 83 | found = 0; |
| 84 | } |
| 85 | } |
| 86 | while (!rm_keys.isEmpty()) { |
| 87 | qCDebug(KSUD_LOG) << "Removed key: "<< rm_keys.top(); |
| 88 | remove(key: rm_keys.pop()); |
| 89 | } |
| 90 | } |
| 91 | return found; |
| 92 | } |
| 93 | |
| 94 | int Repository::hasGroup(const QByteArray &group) const |
| 95 | { |
| 96 | if (!group.isEmpty()) { |
| 97 | RepoCIterator it; |
| 98 | for (it = repo.begin(); it != repo.end(); ++it) { |
| 99 | if (it.value().group == group) { |
| 100 | return 0; |
| 101 | } |
| 102 | } |
| 103 | } |
| 104 | return -1; |
| 105 | } |
| 106 | |
| 107 | QByteArray Repository::findKeys(const QByteArray &group, const char *sep) const |
| 108 | { |
| 109 | QByteArray list = ""; |
| 110 | if (!group.isEmpty()) { |
| 111 | qCDebug(KSUD_LOG) << "Looking for matching key with group key: "<< group; |
| 112 | int pos; |
| 113 | QByteArray key; |
| 114 | RepoCIterator it; |
| 115 | for (it = repo.begin(); it != repo.end(); ++it) { |
| 116 | if (it.value().group == group) { |
| 117 | key = it.key(); |
| 118 | qCDebug(KSUD_LOG) << "Matching key found: "<< key; |
| 119 | pos = key.lastIndexOf(bv: sep); |
| 120 | key.truncate(pos); |
| 121 | key.remove(index: 0, len: 2); |
| 122 | if (!list.isEmpty()) { |
| 123 | // Add the same keys only once please :) |
| 124 | if (!list.contains(bv: key)) { |
| 125 | qCDebug(KSUD_LOG) << "Key added to list: "<< key; |
| 126 | list += '\007'; // I do not know |
| 127 | list.append(a: key); |
| 128 | } |
| 129 | } else { |
| 130 | list = key; |
| 131 | } |
| 132 | } |
| 133 | } |
| 134 | } |
| 135 | return list; |
| 136 | } |
| 137 | |
| 138 | QByteArray Repository::find(const QByteArray &key) const |
| 139 | { |
| 140 | if (key.isEmpty()) { |
| 141 | return nullptr; |
| 142 | } |
| 143 | |
| 144 | RepoCIterator it = repo.find(key); |
| 145 | if (it == repo.end()) { |
| 146 | return nullptr; |
| 147 | } |
| 148 | return it.value().value; |
| 149 | } |
| 150 | |
| 151 | int Repository::expire() |
| 152 | { |
| 153 | unsigned current = time(timer: nullptr); |
| 154 | if (current < head_time) { |
| 155 | return 0; |
| 156 | } |
| 157 | |
| 158 | unsigned t; |
| 159 | QStack<QByteArray> keys; |
| 160 | head_time = (unsigned)-1; |
| 161 | RepoIterator it; |
| 162 | for (it = repo.begin(); it != repo.end(); ++it) { |
| 163 | t = it.value().timeout; |
| 164 | if (t <= current) { |
| 165 | keys.push(t: it.key()); |
| 166 | } else { |
| 167 | head_time = qMin(a: head_time, b: t); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | int n = keys.count(); |
| 172 | while (!keys.isEmpty()) { |
| 173 | remove(key: keys.pop()); |
| 174 | } |
| 175 | return n; |
| 176 | } |
| 177 |
