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-rw-r--r--logic/BaseProcess.cpp420
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diff --git a/logic/BaseProcess.cpp b/logic/BaseProcess.cpp
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index 852bec4c..00000000
--- a/logic/BaseProcess.cpp
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-/* Copyright 2013-2015 MultiMC Contributors
- *
- * Authors: Orochimarufan <orochimarufan.x3@gmail.com>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "BaseProcess.h"
-#include <QDebug>
-#include <QDir>
-#include <QEventLoop>
-
-#define IBUS "@im=ibus"
-
-MessageLevel::Enum MessageLevel::getLevel(const QString& levelName)
-{
- if (levelName == "MultiMC")
- return MessageLevel::MultiMC;
- else if (levelName == "Debug")
- return MessageLevel::Debug;
- else if (levelName == "Info")
- return MessageLevel::Info;
- else if (levelName == "Message")
- return MessageLevel::Message;
- else if (levelName == "Warning")
- return MessageLevel::Warning;
- else if (levelName == "Error")
- return MessageLevel::Error;
- else if (levelName == "Fatal")
- return MessageLevel::Fatal;
- // Skip PrePost, it's not exposed to !![]!
- else
- return MessageLevel::Message;
-}
-
-BaseProcess::BaseProcess(InstancePtr instance): QProcess(), m_instance(instance)
-{
-}
-
-void BaseProcess::init()
-{
- connect(this, SIGNAL(finished(int, QProcess::ExitStatus)),
- SLOT(finish(int, QProcess::ExitStatus)));
-
- // prepare the process environment
- QProcessEnvironment rawenv = QProcessEnvironment::systemEnvironment();
-
- QProcessEnvironment env;
-
- QStringList ignored =
- {
- "JAVA_ARGS",
- "CLASSPATH",
- "CONFIGPATH",
- "JAVA_HOME",
- "JRE_HOME",
- "_JAVA_OPTIONS",
- "JAVA_OPTIONS",
- "JAVA_TOOL_OPTIONS",
- "CDPATH"
- };
- for(auto key: rawenv.keys())
- {
- auto value = rawenv.value(key);
- // filter out dangerous java crap
- if(ignored.contains(key))
- {
- qDebug() << "Env: ignoring" << key << value;
- continue;
- }
- // filter MultiMC-related things
- if(key.startsWith("QT_"))
- {
- qDebug() << "Env: ignoring" << key << value;
- continue;
- }
-#ifdef Q_OS_LINUX
- // Do not pass LD_* variables to java. They were intended for MultiMC
- if(key.startsWith("LD_"))
- {
- qDebug() << "Env: ignoring" << key << value;
- continue;
- }
- // Strip IBus
- // IBus is a Linux IME framework. For some reason, it breaks MC?
- if (key == "XMODIFIERS" && value.contains(IBUS))
- {
- QString save = value;
- value.replace(IBUS, "");
- qDebug() << "Env: stripped" << IBUS << "from" << save << ":" << value;
- }
-#endif
- if(key == "GAME_PRELOAD")
- {
- env.insert("LD_PRELOAD", value);
- continue;
- }
- if(key == "GAME_LIBRARY_PATH")
- {
- env.insert("LD_LIBRARY_PATH", value);
- continue;
- }
- qDebug() << "Env: " << key << value;
- env.insert(key, value);
- }
-#ifdef Q_OS_LINUX
- // HACK: Workaround for QTBUG-42500
- if(!env.contains("LD_LIBRARY_PATH"))
- {
- env.insert("LD_LIBRARY_PATH", "");
- }
-#endif
-
- // export some infos
- auto variables = getVariables();
- for (auto it = variables.begin(); it != variables.end(); ++it)
- {
- env.insert(it.key(), it.value());
- }
-
- this->setProcessEnvironment(env);
- m_prepostlaunchprocess.setProcessEnvironment(env);
-
- // std channels
- connect(this, SIGNAL(readyReadStandardError()), SLOT(on_stdErr()));
- connect(this, SIGNAL(readyReadStandardOutput()), SLOT(on_stdOut()));
-
- // Log prepost launch command output (can be disabled.)
- if (m_instance->settings()->get("LogPrePostOutput").toBool())
- {
- connect(&m_prepostlaunchprocess, &QProcess::readyReadStandardError, this,
- &BaseProcess::on_prepost_stdErr);
- connect(&m_prepostlaunchprocess, &QProcess::readyReadStandardOutput, this,
- &BaseProcess::on_prepost_stdOut);
- }
-
- // a process has been constructed for the instance. It is running from MultiMC POV
- m_instance->setRunning(true);
-}
-
-
-void BaseProcess::setWorkdir(QString path)
-{
- QDir mcDir(path);
- this->setWorkingDirectory(mcDir.absolutePath());
- m_prepostlaunchprocess.setWorkingDirectory(mcDir.absolutePath());
-}
-
-void BaseProcess::printHeader()
-{
- emit log(m_header);
-}
-
-
-void BaseProcess::logOutput(const QStringList &lines, MessageLevel::Enum defaultLevel,
- bool guessLevel, bool censor)
-{
- for (int i = 0; i < lines.size(); ++i)
- logOutput(lines[i], defaultLevel, guessLevel, censor);
-}
-
-void BaseProcess::logOutput(QString line, MessageLevel::Enum defaultLevel, bool guessLevel,
- bool censor)
-{
- MessageLevel::Enum level = defaultLevel;
-
- // Level prefix
- int endmark = line.indexOf("]!");
- if (line.startsWith("!![") && endmark != -1)
- {
- level = MessageLevel::getLevel(line.left(endmark).mid(3));
- line = line.mid(endmark + 2);
- }
- // Guess level
- else if (guessLevel)
- level = this->guessLevel(line, defaultLevel);
-
- if (censor)
- line = censorPrivateInfo(line);
-
- emit log(line, level);
-}
-
-void BaseProcess::on_stdErr()
-{
- QByteArray data = readAllStandardError();
- QString str = m_err_leftover + QString::fromLocal8Bit(data);
-
- str.remove('\r');
- QStringList lines = str.split("\n");
- m_err_leftover = lines.takeLast();
-
- logOutput(lines, MessageLevel::Error);
-}
-
-void BaseProcess::on_stdOut()
-{
- QByteArray data = readAllStandardOutput();
- QString str = m_out_leftover + QString::fromLocal8Bit(data);
-
- str.remove('\r');
- QStringList lines = str.split("\n");
- m_out_leftover = lines.takeLast();
-
- logOutput(lines);
-}
-
-void BaseProcess::on_prepost_stdErr()
-{
- QByteArray data = m_prepostlaunchprocess.readAllStandardError();
- QString str = m_err_leftover + QString::fromLocal8Bit(data);
-
- str.remove('\r');
- QStringList lines = str.split("\n");
- m_err_leftover = lines.takeLast();
-
- logOutput(lines, MessageLevel::PrePost, false, false);
-}
-
-void BaseProcess::on_prepost_stdOut()
-{
- QByteArray data = m_prepostlaunchprocess.readAllStandardOutput();
- QString str = m_out_leftover + QString::fromLocal8Bit(data);
-
- str.remove('\r');
- QStringList lines = str.split("\n");
- m_out_leftover = lines.takeLast();
-
- logOutput(lines, MessageLevel::PrePost, false, false);
-}
-
-// exit handler
-void BaseProcess::finish(int code, ExitStatus status)
-{
- // Flush console window
- if (!m_err_leftover.isEmpty())
- {
- logOutput(m_err_leftover, MessageLevel::Error);
- m_err_leftover.clear();
- }
- if (!m_out_leftover.isEmpty())
- {
- logOutput(m_out_leftover);
- m_out_leftover.clear();
- }
-
- if (!killed)
- {
- if (status == NormalExit)
- {
- //: Message displayed on instance exit
- emit log(tr("Game exited with exitcode %1.").arg(code));
- }
- else
- {
- //: Message displayed on instance crashed
- if(code == -1)
- emit log(tr("Game crashed.").arg(code));
- else
- emit log(tr("Game crashed with exitcode %1.").arg(code));
- }
- }
- else
- {
- //: Message displayed after the instance exits due to kill request
- emit log(tr("Game was killed by user."), MessageLevel::Error);
- }
-
- m_prepostlaunchprocess.processEnvironment().insert("INST_EXITCODE", QString(code));
-
- // run post-exit
- postLaunch();
- m_instance->cleanupAfterRun();
- // no longer running...
- m_instance->setRunning(false);
- emit ended(m_instance, code, status);
-}
-
-void BaseProcess::killProcess()
-{
- killed = true;
- if (m_prepostlaunchprocess.state() == QProcess::Running)
- {
- m_prepostlaunchprocess.kill();
- }
- else
- {
- kill();
- }
-}
-
-bool BaseProcess::preLaunch()
-{
- QString prelaunch_cmd = m_instance->settings()->get("PreLaunchCommand").toString();
- if (!prelaunch_cmd.isEmpty())
- {
- prelaunch_cmd = substituteVariables(prelaunch_cmd);
- // Launch
- emit log(tr("Running Pre-Launch command: %1").arg(prelaunch_cmd));
- m_prepostlaunchprocess.start(prelaunch_cmd);
- if (!waitForPrePost())
- {
- emit log(tr("The command failed to start"), MessageLevel::Fatal);
- return false;
- }
- // Flush console window
- if (!m_err_leftover.isEmpty())
- {
- logOutput(m_err_leftover, MessageLevel::PrePost);
- m_err_leftover.clear();
- }
- if (!m_out_leftover.isEmpty())
- {
- logOutput(m_out_leftover, MessageLevel::PrePost);
- m_out_leftover.clear();
- }
- // Process return values
- if (m_prepostlaunchprocess.exitStatus() != NormalExit)
- {
- emit log(tr("Pre-Launch command failed with code %1.\n\n")
- .arg(m_prepostlaunchprocess.exitCode()),
- MessageLevel::Fatal);
- m_instance->cleanupAfterRun();
- emit prelaunch_failed(m_instance, m_prepostlaunchprocess.exitCode(),
- m_prepostlaunchprocess.exitStatus());
- // not running, failed
- m_instance->setRunning(false);
- return false;
- }
- else
- emit log(tr("Pre-Launch command ran successfully.\n\n"));
-
- return m_instance->reload();
- }
- return true;
-}
-bool BaseProcess::postLaunch()
-{
- QString postlaunch_cmd = m_instance->settings()->get("PostExitCommand").toString();
- if (!postlaunch_cmd.isEmpty())
- {
- postlaunch_cmd = substituteVariables(postlaunch_cmd);
- emit log(tr("Running Post-Launch command: %1").arg(postlaunch_cmd));
- m_prepostlaunchprocess.start(postlaunch_cmd);
- if (!waitForPrePost())
- {
- return false;
- }
- // Flush console window
- if (!m_err_leftover.isEmpty())
- {
- logOutput(m_err_leftover, MessageLevel::PrePost);
- m_err_leftover.clear();
- }
- if (!m_out_leftover.isEmpty())
- {
- logOutput(m_out_leftover, MessageLevel::PrePost);
- m_out_leftover.clear();
- }
- if (m_prepostlaunchprocess.exitStatus() != NormalExit)
- {
- emit log(tr("Post-Launch command failed with code %1.\n\n")
- .arg(m_prepostlaunchprocess.exitCode()),
- MessageLevel::Error);
- emit postlaunch_failed(m_instance, m_prepostlaunchprocess.exitCode(),
- m_prepostlaunchprocess.exitStatus());
- // not running, failed
- m_instance->setRunning(false);
- }
- else
- emit log(tr("Post-Launch command ran successfully.\n\n"));
-
- return m_instance->reload();
- }
- return true;
-}
-
-bool BaseProcess::waitForPrePost()
-{
- if (!m_prepostlaunchprocess.waitForStarted())
- return false;
- QEventLoop eventLoop;
- auto finisher = [this, &eventLoop](QProcess::ProcessState state)
- {
- if (state == QProcess::NotRunning)
- {
- eventLoop.quit();
- }
- };
- auto connection = connect(&m_prepostlaunchprocess, &QProcess::stateChanged, finisher);
- int ret = eventLoop.exec();
- disconnect(connection);
- return ret == 0;
-}
-
-QString BaseProcess::substituteVariables(const QString &cmd) const
-{
- QString out = cmd;
- auto variables = getVariables();
- for (auto it = variables.begin(); it != variables.end(); ++it)
- {
- out.replace("$" + it.key(), it.value());
- }
- auto env = QProcessEnvironment::systemEnvironment();
- for (auto var : env.keys())
- {
- out.replace("$" + var, env.value(var));
- }
- return out;
-}
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