Move SSH support into a dedicated library.

It does not belong into libUtils, which is a collection of small
unrelated utility classes.

Task-number: QTCREATORBUG-7218
Change-Id: Id92b9f28678afec93e6f07166adfde6550f38072
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>

src/libs/ssh/sftpoperation.cpp

@@ -0,0 +1,227 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** 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, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#include "sftpoperation_p.h"
+
+#include "sftpoutgoingpacket_p.h"
+
+#include <QFile>
+
+namespace QSsh {
+namespace Internal {
+
+AbstractSftpOperation::AbstractSftpOperation(SftpJobId jobId) : jobId(jobId)
+{
+}
+
+AbstractSftpOperation::~AbstractSftpOperation() { }
+
+
+SftpStatFile::SftpStatFile(SftpJobId jobId, const QString &path)
+    : AbstractSftpOperation(jobId), path(path)
+{
+}
+
+SftpOutgoingPacket &SftpStatFile::initialPacket(SftpOutgoingPacket &packet)
+{
+    return packet.generateStat(path, jobId);
+}
+
+SftpMakeDir::SftpMakeDir(SftpJobId jobId, const QString &path,
+    const SftpUploadDir::Ptr &parentJob)
+    : AbstractSftpOperation(jobId), parentJob(parentJob), remoteDir(path)
+{
+}
+
+SftpOutgoingPacket &SftpMakeDir::initialPacket(SftpOutgoingPacket &packet)
+{
+    return packet.generateMkDir(remoteDir, jobId);
+}
+
+
+SftpRmDir::SftpRmDir(SftpJobId, const QString &path)
+    : AbstractSftpOperation(jobId), remoteDir(path)
+{
+}
+
+SftpOutgoingPacket &SftpRmDir::initialPacket(SftpOutgoingPacket &packet)
+{
+    return packet.generateRmDir(remoteDir, jobId);
+}
+
+
+SftpRm::SftpRm(SftpJobId jobId, const QString &path)
+    : AbstractSftpOperation(jobId), remoteFile(path) {}
+
+SftpOutgoingPacket &SftpRm::initialPacket(SftpOutgoingPacket &packet)
+{
+    return packet.generateRm(remoteFile, jobId);
+}
+
+
+SftpRename::SftpRename(SftpJobId jobId, const QString &oldPath,
+    const QString &newPath)
+    : AbstractSftpOperation(jobId), oldPath(oldPath), newPath(newPath)
+{
+}
+
+SftpOutgoingPacket &SftpRename::initialPacket(SftpOutgoingPacket &packet)
+{
+    return packet.generateRename(oldPath, newPath, jobId);
+}
+
+
+SftpCreateLink::SftpCreateLink(SftpJobId jobId, const QString &filePath, const QString &target)
+    : AbstractSftpOperation(jobId), filePath(filePath), target(target)
+{
+}
+
+SftpOutgoingPacket &SftpCreateLink::initialPacket(SftpOutgoingPacket &packet)
+{
+    return packet.generateCreateLink(filePath, target, jobId);
+}
+
+
+AbstractSftpOperationWithHandle::AbstractSftpOperationWithHandle(SftpJobId jobId,
+    const QString &remotePath)
+    : AbstractSftpOperation(jobId),
+      remotePath(remotePath), state(Inactive), hasError(false)
+{
+}
+
+AbstractSftpOperationWithHandle::~AbstractSftpOperationWithHandle() { }
+
+
+SftpListDir::SftpListDir(SftpJobId jobId, const QString &path)
+    : AbstractSftpOperationWithHandle(jobId, path)
+{
+}
+
+SftpOutgoingPacket &SftpListDir::initialPacket(SftpOutgoingPacket &packet)
+{
+    state = OpenRequested;
+    return packet.generateOpenDir(remotePath, jobId);
+}
+
+
+SftpCreateFile::SftpCreateFile(SftpJobId jobId, const QString &path,
+    SftpOverwriteMode mode)
+    : AbstractSftpOperationWithHandle(jobId, path), mode(mode)
+{
+}
+
+SftpOutgoingPacket & SftpCreateFile::initialPacket(SftpOutgoingPacket &packet)
+{
+    state = OpenRequested;
+    return packet.generateOpenFileForWriting(remotePath, mode,
+        SftpOutgoingPacket::DefaultPermissions, jobId);
+}
+
+
+const int AbstractSftpTransfer::MaxInFlightCount = 10; // Experimentally found to be enough.
+
+AbstractSftpTransfer::AbstractSftpTransfer(SftpJobId jobId, const QString &remotePath,
+    const QSharedPointer<QFile> &localFile)
+    : AbstractSftpOperationWithHandle(jobId, remotePath),
+      localFile(localFile), fileSize(0), offset(0), inFlightCount(0),
+      statRequested(false)
+{
+}
+
+AbstractSftpTransfer::~AbstractSftpTransfer() {}
+
+void AbstractSftpTransfer::calculateInFlightCount(quint32 chunkSize)
+{
+    if (fileSize == 0) {
+        inFlightCount = 1;
+    } else {
+        inFlightCount = fileSize / chunkSize;
+        if (fileSize % chunkSize)
+            ++inFlightCount;
+        if (inFlightCount > MaxInFlightCount)
+            inFlightCount = MaxInFlightCount;
+    }
+}
+
+
+SftpDownload::SftpDownload(SftpJobId jobId, const QString &remotePath,
+    const QSharedPointer<QFile> &localFile)
+    : AbstractSftpTransfer(jobId, remotePath, localFile), eofId(SftpInvalidJob)
+{
+}
+
+SftpOutgoingPacket &SftpDownload::initialPacket(SftpOutgoingPacket &packet)
+{
+    state = OpenRequested;
+    return packet.generateOpenFileForReading(remotePath, jobId);
+}
+
+
+SftpUploadFile::SftpUploadFile(SftpJobId jobId, const QString &remotePath,
+    const QSharedPointer<QFile> &localFile, SftpOverwriteMode mode,
+    const SftpUploadDir::Ptr &parentJob)
+    : AbstractSftpTransfer(jobId, remotePath, localFile),
+      parentJob(parentJob), mode(mode)
+{
+    fileSize = localFile->size();
+}
+
+SftpOutgoingPacket &SftpUploadFile::initialPacket(SftpOutgoingPacket &packet)
+{
+    state = OpenRequested;
+    quint32 permissions = 0;
+    const QFile::Permissions &qtPermissions = localFile->permissions();
+    if (qtPermissions & QFile::ExeOther)
+        permissions |= 1 << 0;
+    if (qtPermissions & QFile::WriteOther)
+        permissions |= 1 << 1;
+    if (qtPermissions & QFile::ReadOther)
+        permissions |= 1 << 2;
+    if (qtPermissions & QFile::ExeGroup)
+        permissions |= 1<< 3;
+    if (qtPermissions & QFile::WriteGroup)
+        permissions |= 1<< 4;
+    if (qtPermissions & QFile::ReadGroup)
+        permissions |= 1<< 5;
+    if (qtPermissions & QFile::ExeOwner)
+        permissions |= 1<< 6;
+    if (qtPermissions & QFile::WriteOwner)
+        permissions |= 1<< 7;
+    if (qtPermissions & QFile::ReadOwner)
+        permissions |= 1<< 8;
+    return packet.generateOpenFileForWriting(remotePath, mode, permissions, jobId);
+}
+
+SftpUploadDir::~SftpUploadDir() {}
+
+} // namespace Internal
+} // namespace QSsh