Add support for parallel extraction of component archives

Introduce ConcurrentOperationRunner class used for running
installer operations concurrently in the global thread pool.

Add execution groups for operations; Unpack operations are run
concurrently for all components requesting installation,
operations belonging to Install group are run sequentially for
sorted components one at a time as before. From the default
registered operations the Extract op is moved to Unpack group.

Move the previously on-the-fly backup steps of Extract operation
to the ExtractArchiveOperation::backup(), so that backups are
done before any archives are extracted, and that we know if any
of the archives requires administrator privileges to unpack.

Reparent QInstaller::Error to QException to support throwing
and catching exceptions across thread boundaries.

Use RAII for the server-side objects of the classes supporting
the remote client-server protocol of installer framework. The
concurrent extraction revealed that it was still possible that
the local socket was disconnected and thus the RemoteServer-
Connection thread finished before receiving and processing the
final "Destroy" command packet, leaking the dynamically
allocated objects.

Task-number: QTIFW-2566
Change-Id: Ib8c2928b9405b7b3465c731018df73acb51e949f
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: Katja Marttila <katja.marttila@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libs/installer/component.h b/src/libs/installer/component.h
index 6d2784616..203856c0e 100644
--- a/src/libs/installer/component.h
+++ b/src/libs/installer/component.h
@@ -1,6 +1,6 @@
 /**************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2022 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Installer Framework.
@@ -139,7 +139,7 @@ public:
     QList<QPair<QString, bool> > pathsForUninstallation() const;
     Q_INVOKABLE void registerPathForUninstallation(const QString &path, bool wipe = false);
 
-    OperationList operations() const;
+    OperationList operations(const Operation::OperationGroups &mask = Operation::All) const;
 
     void addOperation(Operation *operation);
     Q_INVOKABLE bool addOperation(QQmlV4Function *args);