pollymc/api/logic/launch/LaunchTask.cpp
Petr Mrázek 70ed30f9e6 GH-2591 less std::shared_ptr and more shared_qobject_ptr
This eliminates some weird crashes.
2019-04-07 23:59:04 +02:00

281 lines
6.5 KiB
C++

/* Copyright 2013-2019 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 "launch/LaunchTask.h"
#include "MessageLevel.h"
#include "MMCStrings.h"
#include "java/JavaChecker.h"
#include "tasks/Task.h"
#include <QDebug>
#include <QDir>
#include <QEventLoop>
#include <QRegularExpression>
#include <QCoreApplication>
#include <QStandardPaths>
#include <assert.h>
void LaunchTask::init()
{
m_instance->setRunning(true);
}
shared_qobject_ptr<LaunchTask> LaunchTask::create(InstancePtr inst)
{
shared_qobject_ptr<LaunchTask> proc(new LaunchTask(inst));
proc->init();
return proc;
}
LaunchTask::LaunchTask(InstancePtr instance): m_instance(instance)
{
}
void LaunchTask::appendStep(shared_qobject_ptr<LaunchStep> step)
{
m_steps.append(step);
}
void LaunchTask::prependStep(shared_qobject_ptr<LaunchStep> step)
{
m_steps.prepend(step);
}
void LaunchTask::executeTask()
{
m_instance->setCrashed(false);
if(!m_steps.size())
{
state = LaunchTask::Finished;
emitSucceeded();
}
state = LaunchTask::Running;
onStepFinished();
}
void LaunchTask::onReadyForLaunch()
{
state = LaunchTask::Waiting;
emit readyForLaunch();
}
void LaunchTask::onStepFinished()
{
// initial -> just start the first step
if(currentStep == -1)
{
currentStep ++;
m_steps[currentStep]->start();
return;
}
auto step = m_steps[currentStep];
if(step->wasSuccessful())
{
// end?
if(currentStep == m_steps.size() - 1)
{
finalizeSteps(true, QString());
}
else
{
currentStep ++;
step = m_steps[currentStep];
step->start();
}
}
else
{
finalizeSteps(false, step->failReason());
}
}
void LaunchTask::finalizeSteps(bool successful, const QString& error)
{
for(auto step = currentStep; step >= 0; step--)
{
m_steps[step]->finalize();
}
if(successful)
{
emitSucceeded();
}
else
{
emitFailed(error);
}
}
void LaunchTask::onProgressReportingRequested()
{
state = LaunchTask::Waiting;
emit requestProgress(m_steps[currentStep].get());
}
void LaunchTask::setCensorFilter(QMap<QString, QString> filter)
{
m_censorFilter = filter;
}
QString LaunchTask::censorPrivateInfo(QString in)
{
auto iter = m_censorFilter.begin();
while (iter != m_censorFilter.end())
{
in.replace(iter.key(), iter.value());
iter++;
}
return in;
}
void LaunchTask::proceed()
{
if(state != LaunchTask::Waiting)
{
return;
}
m_steps[currentStep]->proceed();
}
bool LaunchTask::canAbort() const
{
switch(state)
{
case LaunchTask::Aborted:
case LaunchTask::Failed:
case LaunchTask::Finished:
return false;
case LaunchTask::NotStarted:
return true;
case LaunchTask::Running:
case LaunchTask::Waiting:
{
auto step = m_steps[currentStep];
return step->canAbort();
}
}
return false;
}
bool LaunchTask::abort()
{
switch(state)
{
case LaunchTask::Aborted:
case LaunchTask::Failed:
case LaunchTask::Finished:
return true;
case LaunchTask::NotStarted:
{
state = LaunchTask::Aborted;
emitFailed("Aborted");
return true;
}
case LaunchTask::Running:
case LaunchTask::Waiting:
{
auto step = m_steps[currentStep];
if(!step->canAbort())
{
return false;
}
if(step->abort())
{
state = LaunchTask::Aborted;
return true;
}
}
default:
break;
}
return false;
}
shared_qobject_ptr<LogModel> LaunchTask::getLogModel()
{
if(!m_logModel)
{
m_logModel.reset(new LogModel());
m_logModel->setMaxLines(m_instance->getConsoleMaxLines());
m_logModel->setStopOnOverflow(m_instance->shouldStopOnConsoleOverflow());
// FIXME: should this really be here?
m_logModel->setOverflowMessage(tr("MultiMC stopped watching the game log because the log length surpassed %1 lines.\n"
"You may have to fix your mods because the game is still logging to files and"
" likely wasting harddrive space at an alarming rate!").arg(m_logModel->getMaxLines()));
}
return m_logModel;
}
void LaunchTask::onLogLines(const QStringList &lines, MessageLevel::Enum defaultLevel)
{
for (auto & line: lines)
{
onLogLine(line, defaultLevel);
}
}
void LaunchTask::onLogLine(QString line, MessageLevel::Enum level)
{
// if the launcher part set a log level, use it
auto innerLevel = MessageLevel::fromLine(line);
if(innerLevel != MessageLevel::Unknown)
{
level = innerLevel;
}
// If the level is still undetermined, guess level
if (level == MessageLevel::StdErr || level == MessageLevel::StdOut || level == MessageLevel::Unknown)
{
level = m_instance->guessLevel(line, level);
}
// censor private user info
line = censorPrivateInfo(line);
auto &model = *getLogModel();
model.append(level, line);
}
void LaunchTask::emitSucceeded()
{
m_instance->setRunning(false);
Task::emitSucceeded();
}
void LaunchTask::emitFailed(QString reason)
{
m_instance->setRunning(false);
m_instance->setCrashed(true);
Task::emitFailed(reason);
}
QString LaunchTask::substituteVariables(const QString &cmd) const
{
QString out = cmd;
auto variables = m_instance->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;
}