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GH-1929 do not allow non-current update task to affect the update process

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Errors are handled by setting a flag and failing on the next call to next()
This commit is contained in:
Petr Mrázek 2017-07-21 08:49:58 +02:00
parent c19f6d4dcd
commit bea1b5de5e
2 changed files with 24 additions and 0 deletions
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22
api/logic/minecraft/onesix/OneSixUpdate.cpp
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@ -109,6 +109,11 @@ void OneSixUpdate::next()
emitFailed(tr("Aborted by user."));
return;
}
if(m_failed_out_of_order)
{
emitFailed(m_fail_reason);
return;
}
m_currentTask ++;
if(m_currentTask > 0)
{
@ -127,6 +132,7 @@ void OneSixUpdate::next()
// if the task is already finished by the time we look at it, skip it
if(task->isFinished())
{
qCritical() << "OneSixUpdate: Skipping finished subtask" << m_currentTask << ":" << task.get();
next();
}
connect(task.get(), &Task::succeeded, this, &OneSixUpdate::subtaskSucceeded);
@ -147,6 +153,13 @@ void OneSixUpdate::subtaskSucceeded()
qCritical() << "OneSixUpdate: Subtask" << sender() << "succeeded, but work was already done!";
return;
}
auto senderTask = QObject::sender();
auto currentTask = m_tasks[m_currentTask].get();
if(senderTask != currentTask)
{
qDebug() << "OneSixUpdate: Subtask" << sender() << "succeeded out of order.";
return;
}
next();
}
@ -157,6 +170,15 @@ void OneSixUpdate::subtaskFailed(QString error)
qCritical() << "OneSixUpdate: Subtask" << sender() << "failed, but work was already done!";
return;
}
auto senderTask = QObject::sender();
auto currentTask = m_tasks[m_currentTask].get();
if(senderTask != currentTask)
{
qDebug() << "OneSixUpdate: Subtask" << sender() << "failed out of order.";
m_failed_out_of_order = true;
m_fail_reason = error;
return;
}
emitFailed(error);
}