Split our own implementation of sysinfo.

Change-Id: I3e66e0e4f60d7a9f91bd3c4e941e5b957725c2fc
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
Reviewed-by: Niels Weber <niels.weber@digia.com>

1 files changed, 224 insertions, 0 deletions

diff --git a/src/libs/installer/sysinfo_win.cpp b/src/libs/installer/sysinfo_win.cpp
new file mode 100644
index 000000000..618d6cfdb
--- /dev/null
+++ b/src/libs/installer/sysinfo_win.cpp
@@ -0,0 +1,224 @@
+/**************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Installer Framework.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+**************************************************************************/
+
+#include "kdsysinfo.h"
+
+#include "link.h"
+
+#ifdef Q_CC_MINGW
+# ifndef _WIN32_WINNT
+#  define _WIN32_WINNT 0x0501
+# endif
+#endif
+
+#include <windows.h>
+#include <psapi.h>
+#include <tlhelp32.h>
+
+#include <winnetwk.h>
+
+#ifndef Q_CC_MINGW
+#pragma comment(lib, "mpr.lib")
+#endif
+
+#include <QDebug>
+#include <QDir>
+#include <QLibrary>
+
+namespace KDUpdater {
+
+VolumeInfo updateVolumeSizeInformation(const VolumeInfo &info)
+{
+    ULARGE_INTEGER bytesTotal;
+    ULARGE_INTEGER freeBytesPerUser;
+
+    VolumeInfo update = info;
+    if (GetDiskFreeSpaceExA(qPrintable(info.volumeDescriptor()), &freeBytesPerUser, &bytesTotal, NULL)) {
+        update.setSize(bytesTotal.QuadPart);
+        update.setAvailableSize(freeBytesPerUser.QuadPart);
+    }
+    return update;
+}
+
+/*!
+    Returns a list of volume info objects that are mounted as network drive shares.
+*/
+QList<VolumeInfo> networkVolumeInfosFromMountPoints()
+{
+    QList<VolumeInfo> volumes;
+    QFileInfoList drives = QDir::drives();
+    foreach (const QFileInfo &drive, drives) {
+        const QString driveLetter = QDir::toNativeSeparators(drive.canonicalPath());
+        const uint driveType = GetDriveTypeA(qPrintable(driveLetter));
+        switch (driveType) {
+            case DRIVE_REMOTE: {
+                char buffer[1024] = "";
+                DWORD bufferLength = 1024;
+                UNIVERSAL_NAME_INFOA *universalNameInfo = (UNIVERSAL_NAME_INFOA*) &buffer;
+                if (WNetGetUniversalNameA(qPrintable(driveLetter), UNIVERSAL_NAME_INFO_LEVEL,
+                    LPVOID(universalNameInfo), &bufferLength) == NO_ERROR) {
+                        VolumeInfo info;
+                        info.setMountPath(driveLetter);
+                        info.setVolumeDescriptor(QLatin1String(universalNameInfo->lpUniversalName));
+                        volumes.append(info);
+                }
+            }   break;
+
+            default:
+                break;
+        }
+    }
+    return volumes;
+}
+
+/*!
+    Returns a list of volume info objects based on the given \a volumeGUID. The function also solves mounted
+    volume folder paths. It does not return any network drive shares.
+*/
+QList<VolumeInfo> localVolumeInfosFromMountPoints(PTCHAR volumeGUID)
+{
+#ifndef UNICODE
+#define fromWCharArray fromLatin1
+#endif
+    QList<VolumeInfo> volumes;
+    DWORD bufferSize;
+    TCHAR volumeNames[MAX_PATH + 1] = { 0 };
+    if (GetVolumePathNamesForVolumeName(volumeGUID, volumeNames, MAX_PATH, &bufferSize)) {
+        QStringList mountedPaths = QString::fromWCharArray(volumeNames, bufferSize).split(QLatin1Char(char(0)),
+            QString::SkipEmptyParts);
+        foreach (const QString &mountedPath, mountedPaths) {
+            VolumeInfo info;
+            info.setMountPath(mountedPath);
+            info.setVolumeDescriptor(QString::fromWCharArray(volumeGUID));
+            volumes.append(info);
+        }
+    }
+    return volumes;
+#ifndef UNICODE
+#undef fromWCharArray
+#endif
+}
+
+QList<VolumeInfo> mountedVolumes()
+{
+    QList<VolumeInfo> tmp;
+    TCHAR volumeGUID[MAX_PATH + 1] = { 0 };
+    HANDLE handle = FindFirstVolume(volumeGUID, MAX_PATH);
+    if (handle != INVALID_HANDLE_VALUE) {
+        tmp += localVolumeInfosFromMountPoints(volumeGUID);
+        while (FindNextVolume(handle, volumeGUID, MAX_PATH)) {
+            tmp += localVolumeInfosFromMountPoints(volumeGUID);
+        }
+        FindVolumeClose(handle);
+    }
+    tmp += networkVolumeInfosFromMountPoints();
+
+    QList<VolumeInfo> volumes;
+    while (!tmp.isEmpty()) // update volume size information
+        volumes.append(updateVolumeSizeInformation(tmp.takeFirst()));
+    return volumes;
+}
+
+bool pathIsOnLocalDevice(const QString &path)
+{
+    if (!QFileInfo(path).exists())
+        return false;
+
+    if (path.startsWith(QLatin1String("\\\\")))
+        return false;
+
+    QDir dir(path);
+    do {
+        if (QFileInfo(dir, QString()).isSymLink()) {
+            QString currentPath = QFileInfo(dir, QString()).absoluteFilePath();
+            return pathIsOnLocalDevice(Link(currentPath).targetPath());
+        }
+    } while (dir.cdUp());
+
+    const UINT DRIVE_REMOTE_TYPE = 4;
+    if (path.contains(QLatin1Char(':'))) {
+        const QLatin1Char nullTermination('\0');
+        // for example "c:\"
+        const QString driveSearchString = path.left(3) + nullTermination;
+        WCHAR wCharDriveSearchArray[4];
+        driveSearchString.toWCharArray(wCharDriveSearchArray);
+        UINT type = GetDriveType(wCharDriveSearchArray);
+        if (type == DRIVE_REMOTE_TYPE)
+            return false;
+    }
+
+    return true;
+}
+
+bool CALLBACK TerminateAppEnum(HWND hwnd, LPARAM lParam)
+{
+   DWORD dwID;
+   GetWindowThreadProcessId(hwnd, &dwID);
+
+   if (dwID == (DWORD)lParam)
+      PostMessage(hwnd, WM_CLOSE, 0, 0);
+   return true;
+}
+
+bool killProcess(const ProcessInfo &process, int msecs)
+{
+    DWORD dwTimeout = msecs;
+    if (msecs == -1)
+        dwTimeout = INFINITE;
+
+    // If we can't open the process with PROCESS_TERMINATE rights, then we give up immediately.
+    HANDLE hProc = OpenProcess(SYNCHRONIZE | PROCESS_TERMINATE, false, process.id);
+    if (hProc == 0)
+        return false;
+
+    // TerminateAppEnum() posts WM_CLOSE to all windows whose PID matches your process's.
+    EnumWindows((WNDENUMPROC)TerminateAppEnum, (LPARAM)process.id);
+
+    // Wait on the handle. If it signals, great. If it times out, then kill it.
+    bool returnValue = false;
+    if (WaitForSingleObject(hProc, dwTimeout) != WAIT_OBJECT_0)
+        returnValue = TerminateProcess(hProc, 0);
+
+    CloseHandle(hProc);
+    return returnValue;
+}
+
+}
\ No newline at end of file