Differential D27513 Diff 76149 runners/kill/killrunner.cpp

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runners/kill/killrunner.cpp

1/* Copyright 2009 Jan Gerrit Marker <jangerrit@weiler-marker.com> 1​/* Copyright 2009 Jan Gerrit Marker <jangerrit@weiler-marker.com>
2​ * Copyright 2020 Alexander Lohnau <alexander.lohnau@gmx.de>
2 * 3​ *
3 * This library is free software; you can redistribute it and/or 4​ * This library is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU Lesser General Public 5​ * modify it under the terms of the GNU Lesser General Public
5 * License as published by the Free Software Foundation; either 6​ * License as published by the Free Software Foundation; either
6 * version 2.1 of the License, or (at your option) version 3, or any 7​ * version 2.1 of the License, or (at your option) version 3, or any
7 * later version accepted by the membership of KDE e.V. (or its 8​ * later version accepted by the membership of KDE e.V. (or its
8 * successor approved by the membership of KDE e.V.), which shall 9​ * successor approved by the membership of KDE e.V.), which shall
9 * act as a proxy defined in Section 6 of version 3 of the license. 10​ * act as a proxy defined in Section 6 of version 3 of the license.
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20#include "killrunner.h" 21​#include "killrunner.h"
21 22​
22#include <QAction> 23​#include <QAction>
23#include <QDebug> 24​#include <QDebug>
24#include <QIcon> 25​#include <QIcon>
25 26​
26#include <KProcess> 27​#include <KProcess>
27#include <KUser> 28​#include <KUser>
28#include <kauth.h> 29​#include <KAuth>
29 30​
30#include "processcore/processes.h" 31​#include <processcore/processes.h>
31#include "processcore/process.h" 32​#include <processcore/process.h>
32 33​
33#include "killrunner_config.h" 34​#include "killrunner_config.h"
34 35​
35K_EXPORT_PLASMA_RUNNER(kill, KillRunner) 36​K_EXPORT_PLASMA_RUNNER(kill, KillRunner)
36 37​
37KillRunner::KillRunner(QObject *parent, const QVariantList& args) 38​KillRunner::KillRunner(QObject *parent, const QVariantList& args)
38 : Plasma::AbstractRunner(parent, args), 39​ : Plasma::AbstractRunner(parent, args), m_processes(nullptr)
39 m_processes(nullptr) ​
40{ 40​{
41 Q_UNUSED(args); 41​ setObjectName(QStringLiteral("Kill Runner"));
42 setObjectName( QLatin1String("Kill Runner") ); 42​
43 reloadConfiguration(); 43​ addAction(QStringLiteral("SIGTERM"), QIcon::fromTheme(QStringLiteral("application-exit")), i18n("Send SIGTERM"))->setData(15);
44​ addAction(QStringLiteral("SIGKILL"), QIcon::fromTheme(QStringLiteral("process-stop")), i18n("Send SIGKILL"))->setData(9);
45​ m_actionList = {action(QStringLiteral("SIGTERM")), action(QStringLiteral("SIGKILL"))};
44 46​
45 connect(this, &Plasma::AbstractRunner::prepare, this, &KillRunner::prep); 47​ connect(this, &Plasma::AbstractRunner::prepare, this, &KillRunner::prep);
46 connect(this, &Plasma::AbstractRunner::teardown, this, &KillRunner::cleanup); 48​ connect(this, &Plasma::AbstractRunner::teardown, this, &KillRunner::cleanup);
47 49​
48 m_delayedCleanupTimer.setInterval(50); 50​ m_delayedCleanupTimer.setInterval(50);
49 m_delayedCleanupTimer.setSingleShot(true); 51​ m_delayedCleanupTimer.setSingleShot(true);
50 connect(&m_delayedCleanupTimer, &QTimer::timeout, this, &KillRunner::cleanup); 52​ connect(&m_delayedCleanupTimer, &QTimer::timeout, this, &KillRunner::cleanup);
51} 53​}
52 54​
53KillRunner::~KillRunner() 55​KillRunner::~KillRunner()
54{ 56​{
55} 57​}
56 58​
57 59​
58void KillRunner::reloadConfiguration() 60​void KillRunner::reloadConfiguration()
59{ 61​{
60 KConfigGroup grp = config(); 62​ KConfigGroup grp = config();
61 m_triggerWord.clear(); 63​ m_triggerWord.clear();
62 if (grp.readEntry(CONFIG_USE_TRIGGERWORD, true)) { 64​ if (grp.readEntry(CONFIG_USE_TRIGGERWORD, true)) {
63 m_triggerWord = grp.readEntry(CONFIG_TRIGGERWORD, i18n("kill")) + QLatin1Char(' '); 65​ m_triggerWord = grp.readEntry(CONFIG_TRIGGERWORD, i18n("kill")) + QLatin1Char(' ');
64 } 66​ }
67​ m_hasTrigger = !m_triggerWord.isEmpty();
65 68​
66 m_sorting = (KillRunnerConfig::Sort) grp.readEntry(CONFIG_SORTING, 0); 69​ m_sorting = (KillRunnerConfig::Sort) grp.readEntry(CONFIG_SORTING, 0);
67 QList<Plasma::RunnerSyntax> syntaxes; 70​ QList<Plasma::RunnerSyntax> syntaxes;
68 syntaxes << Plasma::RunnerSyntax(m_triggerWord + QStringLiteral(":q:"), 71​ syntaxes << Plasma::RunnerSyntax(m_triggerWord + QStringLiteral(":q:"),
69 i18n("Terminate running applications whose names match the query.")); 72​ i18n("Terminate running applications whose names match the query."));
70 setSyntaxes(syntaxes); 73​ setSyntaxes(syntaxes);
71} 74​}
72 75​
Show All 16 Lines82{
89 } else { 92​ } else {
90 m_delayedCleanupTimer.stop(); 93​ m_delayedCleanupTimer.stop();
91 } 94​ }
92} 95​}
93 96​
94void KillRunner::match(Plasma::RunnerContext &context) 97​void KillRunner::match(Plasma::RunnerContext &context)
95{ 98​{
96 QString term = context.query(); 99​ QString term = context.query();
97 const bool hasTrigger = !m_triggerWord.isEmpty(); 100​ if (m_hasTrigger && !term.startsWith(m_triggerWord, Qt::CaseInsensitive)) {
98 if (hasTrigger && !term.startsWith(m_triggerWord, Qt::CaseInsensitive)) { ​
99 return; 101​ return;
100 } 102​ }
101 103​
102 m_prepLock.lockForRead(); 104​ m_prepLock.lockForRead();
103 if (!m_processes) { 105​ if (!m_processes) {
104 m_prepLock.unlock(); 106​ m_prepLock.unlock();
105 m_prepLock.lockForWrite(); 107​ m_prepLock.lockForWrite();
106 if (!m_processes) { 108​ if (!m_processes) {
107 suspendMatching(true); 109​ suspendMatching(true);
108 m_processes = new KSysGuard::Processes(); 110​ m_processes = new KSysGuard::Processes();
109 m_processes->updateAllProcesses(); 111​ m_processes->updateAllProcesses();
110 suspendMatching(false); 112​ suspendMatching(false);
111 } 113​ }
112 } 114​ }
113 m_prepLock.unlock(); 115​ m_prepLock.unlock();
114 116​
115 term = term.right(term.length() - m_triggerWord.length()); 117​ term = term.right(term.length() - m_triggerWord.length());
116 118​
117 if (term.length() < 2) { 119​ if (term.length() < 2 || !context.isValid()) {
118 return; 120​ return;
119 } 121​ }
120 122​
121 QList<Plasma::QueryMatch> matches; 123​ QList<Plasma::QueryMatch> matches;
122 const QList<KSysGuard::Process *> processlist = m_processes->getAllProcesses(); 124​ const QList<KSysGuard::Process *> processlist = m_processes->getAllProcesses();
123 for (const KSysGuard::Process *process : processlist) { 125​ for (const KSysGuard::Process *process : processlist) {
124 if (!context.isValid()) { ​
125 return; ​
126 } ​
127 ​
128 const QString name = process->name(); 126​ const QString name = process->name();
129 if (!name.contains(term, Qt::CaseInsensitive)) { 127​ if (!name.contains(term, Qt::CaseInsensitive)) {
130 //Process doesn't match the search term ​
131 continue; 128​ continue;
132 } 129​ }
133 130​
134 const quint64 pid = process->pid(); 131​ const quint64 pid = process->pid();
135 const qlonglong uid = process->uid(); ​
136 const QString user = getUserName(uid); ​
137 ​
138 QVariantList data; ​
139 data << pid << user; ​
140 132​
141 Plasma::QueryMatch match(this); 133​ Plasma::QueryMatch match(this);
142 match.setText(i18n("Terminate %1", name)); 134​ match.setText(i18n("Terminate %1", name));
143 match.setSubtext(i18n("Process ID: %1\nRunning as user: %2", QString::number(pid), user)); 135​ match.setSubtext(i18n("Process ID: %1", QString::number(pid)));
144 match.setIconName(QStringLiteral("application-exit")); 136​ match.setIconName(QStringLiteral("application-exit"));
145 match.setData(data); 137​ match.setData(pid);
146 match.setId(name); 138​ match.setId(name);
147 139​
148 // Set the relevance 140​ // Set the relevance
149 switch (m_sorting) { 141​ switch (m_sorting) {
150 case KillRunnerConfig::CPU: 142​ case KillRunnerConfig::CPU:
151 match.setRelevance((process->userUsage() + process->sysUsage()) / 100); 143​ match.setRelevance((process->userUsage() + process->sysUsage()) / 100);
152 break; 144​ break;
153 case KillRunnerConfig::CPUI: 145​ case KillRunnerConfig::CPUI:
154 match.setRelevance(1 - (process->userUsage() + process->sysUsage()) / 100); 146​ match.setRelevance(1 - (process->userUsage() + process->sysUsage()) / 100);
155 break; 147​ break;
156 case KillRunnerConfig::NONE: 148​ case KillRunnerConfig::NONE:
157 match.setRelevance(name.compare(term, Qt::CaseInsensitive) == 0 ? 1 : 9); 149​ match.setRelevance(name.compare(term, Qt::CaseInsensitive) == 0 ? 1 : 9);
158 break; 150​ break;
159 } 151​ }
160 152​
161 matches << match; 153​ matches << match;
162 } 154​ }
163 155​
164 qDebug() << "match count is" << matches.count(); ​
165 context.addMatches(matches); 156​ context.addMatches(matches);
166} 157​}
167 158​
168void KillRunner::run(const Plasma::RunnerContext &context, const Plasma::QueryMatch &match) 159​void KillRunner::run(const Plasma::RunnerContext &context, const Plasma::QueryMatch &match)
169{ 160​{
170 Q_UNUSED(context) 161​ Q_UNUSED(context)
171 162​
172 QVariantList data = match.data().value<QVariantList>(); 163​ quint64 pid = match.data().toUInt();
173 quint64 pid = data[0].toUInt(); ​
174// QString user = data[1].toString(); ​
175 164​
176 int signal; 165​ int signal;
177 if (match.selectedAction() != nullptr) { 166​ if (match.selectedAction()) {
178 signal = match.selectedAction()->data().toInt(); 167​ signal = match.selectedAction()->data().toInt();
179 } else { 168​ } else {
180 signal = 9; //default: SIGKILL 169​ signal = 9; //default: SIGKILL
181 } 170​ }
182 171​
183 QStringList args; 172​ QStringList args = {QStringLiteral("-%1").arg(signal), QStringLiteral("%1").arg(pid)};
184 args << QStringLiteral("-%1").arg(signal) << QStringLiteral("%1").arg(pid); 173​ int returnCode = KProcess::execute(QStringLiteral("kill"), args);
185 KProcess process; 174​ if (returnCode == 0) {
186 int returnCode = process.execute(QStringLiteral("kill"), args); ​
187 ​
188 if (returnCode == 0) ​
189 { ​
190 return; 175​ return;
191 } 176​ }
192 177​
193 KAuth::Action killAction = QStringLiteral("org.kde.ksysguard.processlisthelper.sendsignal"); 178​ KAuth::Action killAction = QStringLiteral("org.kde.ksysguard.processlisthelper.sendsignal");
194 killAction.setHelperId(QStringLiteral("org.kde.ksysguard.processlisthelper")); 179​ killAction.setHelperId(QStringLiteral("org.kde.ksysguard.processlisthelper"));
195 killAction.addArgument(QStringLiteral("pid0"), pid); 180​ killAction.addArgument(QStringLiteral("pid0"), pid);
196 killAction.addArgument(QStringLiteral("pidcount"), 1); 181​ killAction.addArgument(QStringLiteral("pidcount"), 1);
197 killAction.addArgument(QStringLiteral("signal"), signal); 182​ killAction.addArgument(QStringLiteral("signal"), signal);
198 killAction.execute(); 183​ killAction.execute();
199} 184​}
200 185​
201QList<QAction*> KillRunner::actionsForMatch(const Plasma::QueryMatch &match) 186​QList<QAction*> KillRunner::actionsForMatch(const Plasma::QueryMatch &match)
202{ 187​{
203 Q_UNUSED(match) 188​ Q_UNUSED(match)
204 189​
205 QList<QAction*> ret; 190​ return m_actionList;
206 ​
207 if (!action(QStringLiteral("SIGTERM"))) { ​
208 (addAction(QStringLiteral("SIGTERM"), QIcon::fromTheme(QStringLiteral("application-exit")), i18n("Send SIGTERM")))->setData(15); ​
209 (addAction(QStringLiteral("SIGKILL"), QIcon::fromTheme(QStringLiteral("process-stop")), i18n("Send SIGKILL")))->setData(9); ​
210 } ​
211 ret << action(QStringLiteral("SIGTERM")) << action(QStringLiteral("SIGKILL")); ​
212 return ret; ​
213} ​
214 ​
215QString KillRunner::getUserName(qlonglong uid) ​
216{ ​
217 KUser user(uid); ​
218 if (user.isValid()) { ​
219 return user.loginName(); ​
220 } ​
221 qDebug() << QStringLiteral("No user with UID %1 was found").arg(uid); ​
222 return QStringLiteral("root");//No user with UID uid was found, so root is used ​
223} 191​}
224 192​
225#include "killrunner.moc" 193​#include "killrunner.moc"