Refactor the incremental deployment to a separate class

Extract incremental deployment caching to a new class.
Remove the extra Kit pointer and use target directly.
Add incremental deployment class to deploy service private data member.

Change-Id: I1e2e0829b9413f647ccfa3a4af23260a54895d83
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

5 files changed, 242 insertions, 90 deletions

diff --git a/src/plugins/remotelinux/abstractremotelinuxdeployservice.cpp b/src/plugins/remotelinux/abstractremotelinuxdeployservice.cpp
index 06b9ab138e..4da0fff0fe 100644
--- a/src/plugins/remotelinux/abstractremotelinuxdeployservice.cpp
+++ b/src/plugins/remotelinux/abstractremotelinuxdeployservice.cpp
@@ -24,6 +24,7 @@
 ****************************************************************************/
 
 #include "abstractremotelinuxdeployservice.h"
+#include "deploymenttimeinfo.h"
 
 #include <projectexplorer/deployablefile.h>
 #include <projectexplorer/target.h>
@@ -44,49 +45,22 @@ namespace RemoteLinux {
 namespace Internal {
 
 namespace {
-class DeployParameters
-{
-public:
-    DeployParameters(const DeployableFile &d, const QString &h, const QString &s)
-        : file(d), host(h), sysroot(s) {}
-
-    bool operator==(const DeployParameters &other) const {
-        return file == other.file && host == other.host && sysroot == other.sysroot;
-    }
-
-    DeployableFile file;
-    QString host;
-    QString sysroot;
-};
-uint qHash(const DeployParameters &p) {
-    return qHash(qMakePair(qMakePair(p.file, p.host), p.sysroot));
-}
-
 enum State { Inactive, SettingUpDevice, Connecting, Deploying };
-
-// TODO: Just change these...
-const char LastDeployedHostsKey[] = "Qt4ProjectManager.MaemoRunConfiguration.LastDeployedHosts";
-const char LastDeployedSysrootsKey[] = "Qt4ProjectManager.MaemoRunConfiguration.LastDeployedSysroots";
-const char LastDeployedFilesKey[] = "Qt4ProjectManager.MaemoRunConfiguration.LastDeployedFiles";
-const char LastDeployedRemotePathsKey[] = "Qt4ProjectManager.MaemoRunConfiguration.LastDeployedRemotePaths";
-const char LastDeployedTimesKey[] = "Qt4ProjectManager.MaemoRunConfiguration.LastDeployedTimes";
-
 } // anonymous namespace
 
 class AbstractRemoteLinuxDeployServicePrivate
 {
 public:
     AbstractRemoteLinuxDeployServicePrivate()
-        : kit(0), connection(0), state(Inactive), stopRequested(false) {}
+        : connection(0), state(Inactive), stopRequested(false) {}
 
     IDevice::ConstPtr deviceConfiguration;
     QPointer<Target> target;
-    Kit *kit;
+
+    DeploymentTimeInfo deployTimes;
     SshConnection *connection;
     State state;
     bool stopRequested;
-
-    QHash<DeployParameters, QDateTime> lastDeployed;
 };
 } // namespace Internal
 
@@ -109,7 +83,7 @@ const Target *AbstractRemoteLinuxDeployService::target() const
 
 const Kit *AbstractRemoteLinuxDeployService::profile() const
 {
-    return d->kit;
+    return d->target ? d->target->kit() : nullptr;
 }
 
 IDevice::ConstPtr AbstractRemoteLinuxDeployService::deviceConfiguration() const
@@ -124,38 +98,18 @@ SshConnection *AbstractRemoteLinuxDeployService::connection() const
 
 void AbstractRemoteLinuxDeployService::saveDeploymentTimeStamp(const DeployableFile &deployableFile)
 {
-    if (!d->target)
-        return;
-    QString systemRoot;
-    if (SysRootKitInformation::hasSysRoot(d->kit))
-        systemRoot = SysRootKitInformation::sysRoot(d->kit).toString();
-    d->lastDeployed.insert(DeployParameters(deployableFile,
-                                            deviceConfiguration()->sshParameters().host,
-                                            systemRoot),
-                           QDateTime::currentDateTime());
+    d->deployTimes.saveDeploymentTimeStamp(deployableFile, profile());
 }
 
 bool AbstractRemoteLinuxDeployService::hasChangedSinceLastDeployment(const DeployableFile &deployableFile) const
 {
-    if (!target())
-        return true;
-    QString systemRoot;
-    if (SysRootKitInformation::hasSysRoot(d->kit))
-        systemRoot = SysRootKitInformation::sysRoot(d->kit).toString();
-    const QDateTime &lastDeployed = d->lastDeployed.value(DeployParameters(deployableFile,
-        deviceConfiguration()->sshParameters().host, systemRoot));
-    return !lastDeployed.isValid()
-        || deployableFile.localFilePath().toFileInfo().lastModified() > lastDeployed;
+    return d->deployTimes.hasChangedSinceLastDeployment(deployableFile, profile());
 }
 
 void AbstractRemoteLinuxDeployService::setTarget(Target *target)
 {
     d->target = target;
-    if (target)
-        d->kit = target->kit();
-    else
-        d->kit = 0;
-    d->deviceConfiguration = DeviceKitInformation::device(d->kit);
+    d->deviceConfiguration = DeviceKitInformation::device(profile());
 }
 
 void AbstractRemoteLinuxDeployService::setDevice(const IDevice::ConstPtr &device)
@@ -218,44 +172,12 @@ bool AbstractRemoteLinuxDeployService::isDeploymentPossible(QString *whyNot) con
 
 QVariantMap AbstractRemoteLinuxDeployService::exportDeployTimes() const
 {
-    QVariantMap map;
-    QVariantList hostList;
-    QVariantList fileList;
-    QVariantList sysrootList;
-    QVariantList remotePathList;
-    QVariantList timeList;
-    typedef QHash<DeployParameters, QDateTime>::ConstIterator DepIt;
-    for (DepIt it = d->lastDeployed.constBegin(); it != d->lastDeployed.constEnd(); ++it) {
-        fileList << it.key().file.localFilePath().toString();
-        remotePathList << it.key().file.remoteDirectory();
-        hostList << it.key().host;
-        sysrootList << it.key().sysroot;
-        timeList << it.value();
-    }
-    map.insert(QLatin1String(LastDeployedHostsKey), hostList);
-    map.insert(QLatin1String(LastDeployedSysrootsKey), sysrootList);
-    map.insert(QLatin1String(LastDeployedFilesKey), fileList);
-    map.insert(QLatin1String(LastDeployedRemotePathsKey), remotePathList);
-    map.insert(QLatin1String(LastDeployedTimesKey), timeList);
-    return map;
+    return d->deployTimes.exportDeployTimes();
 }
 
 void AbstractRemoteLinuxDeployService::importDeployTimes(const QVariantMap &map)
 {
-    const QVariantList &hostList = map.value(QLatin1String(LastDeployedHostsKey)).toList();
-    const QVariantList &sysrootList = map.value(QLatin1String(LastDeployedSysrootsKey)).toList();
-    const QVariantList &fileList = map.value(QLatin1String(LastDeployedFilesKey)).toList();
-    const QVariantList &remotePathList
-        = map.value(QLatin1String(LastDeployedRemotePathsKey)).toList();
-    const QVariantList &timeList = map.value(QLatin1String(LastDeployedTimesKey)).toList();
-    const int elemCount
-        = qMin(qMin(qMin(hostList.size(), fileList.size()),
-              qMin(remotePathList.size(), timeList.size())), sysrootList.size());
-    for (int i = 0; i < elemCount; ++i) {
-        const DeployableFile df(fileList.at(i).toString(), remotePathList.at(i).toString());
-        d->lastDeployed.insert(DeployParameters(df, hostList.at(i).toString(),
-            sysrootList.at(i).toString()), timeList.at(i).toDateTime());
-    }
+    d->deployTimes.importDeployTimes(map);
 }
 
 void AbstractRemoteLinuxDeployService::handleDeviceSetupDone(bool success)
diff --git a/src/plugins/remotelinux/deploymenttimeinfo.cpp b/src/plugins/remotelinux/deploymenttimeinfo.cpp
new file mode 100644
index 0000000000..52ed43b913
--- /dev/null
+++ b/src/plugins/remotelinux/deploymenttimeinfo.cpp
@@ -0,0 +1,168 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+#include "deploymenttimeinfo.h"
+
+#include <projectexplorer/deployablefile.h>
+#include <projectexplorer/target.h>
+#include <qtsupport/qtkitinformation.h>
+
+#include <ssh/sshconnection.h>
+#include <ssh/sshconnectionmanager.h>
+
+#include <QPointer>
+#include <QDateTime>
+#include <QFileInfo>
+
+using namespace ProjectExplorer;
+using namespace QSsh;
+
+namespace RemoteLinux {
+
+namespace {
+const char LastDeployedHostsKey[] = "ProjectExplorer.RunConfiguration.LastDeployedHosts";
+const char LastDeployedSysrootsKey[] = "ProjectExplorer.RunConfiguration.LastDeployedSysroots";
+const char LastDeployedFilesKey[] = "ProjectExplorer.RunConfiguration.LastDeployedFiles";
+const char LastDeployedRemotePathsKey[] = "ProjectExplorer.RunConfiguration.LastDeployedRemotePaths";
+const char LastDeployedTimesKey[] = "ProjectExplorer.RunConfiguration.LastDeployedTimes";
+
+class DeployParameters
+{
+
+public:
+    DeployParameters(const DeployableFile &d, const QString &h, const QString &s)
+        : file(d), host(h), sysroot(s) {}
+
+    bool operator==(const DeployParameters &other) const {
+        return file == other.file &&  host == other.host &&  sysroot == other.sysroot;
+    }
+
+    DeployableFile file;
+    QString host;
+    QString sysroot;
+};
+
+uint qHash(const DeployParameters &p) {
+    return qHash(qMakePair(qMakePair(p.file, p.host), p.sysroot));
+}
+
+} // anonymous namespace
+
+class DeploymentTimeInfoPrivate
+{
+public:
+    QHash<DeployParameters, QDateTime> lastDeployed;
+};
+
+
+DeploymentTimeInfo::DeploymentTimeInfo() : d(new DeploymentTimeInfoPrivate())
+{
+
+}
+
+void DeploymentTimeInfo::saveDeploymentTimeStamp(const DeployableFile &deployableFile,
+                                                 const Kit *kit)
+{
+    if (!kit)
+        return;
+
+    QString systemRoot;
+    if (SysRootKitInformation::hasSysRoot(kit))
+        systemRoot = SysRootKitInformation::sysRoot(kit).toString();
+
+    const IDevice::ConstPtr deviceConfiguration = DeviceKitInformation::device(kit);
+    const QString host = deviceConfiguration->sshParameters().host;
+
+    d->lastDeployed.insert(
+                DeployParameters(deployableFile, host, systemRoot),
+                QDateTime::currentDateTime());
+}
+
+bool DeploymentTimeInfo::hasChangedSinceLastDeployment(const DeployableFile &deployableFile,
+                                                       const ProjectExplorer::Kit *kit) const
+{
+    if (!kit)
+        return false;
+
+    QString systemRoot;
+    if (SysRootKitInformation::hasSysRoot(kit))
+        systemRoot = SysRootKitInformation::sysRoot(kit).toString();
+
+    const IDevice::ConstPtr deviceConfiguration = DeviceKitInformation::device(kit);
+    const QString host = deviceConfiguration->sshParameters().host;
+
+    const DeployParameters dp(deployableFile, host, systemRoot);
+
+    const QDateTime &lastDeployed = d->lastDeployed.value(dp);
+    const QDateTime lastModified = deployableFile.localFilePath().toFileInfo().lastModified();
+
+    return !lastDeployed.isValid() || (lastModified > lastDeployed);
+}
+
+QVariantMap DeploymentTimeInfo::exportDeployTimes() const
+{
+    QVariantMap map;
+    QVariantList hostList;
+    QVariantList fileList;
+    QVariantList sysrootList;
+    QVariantList remotePathList;
+    QVariantList timeList;
+    typedef QHash<DeployParameters, QDateTime>::ConstIterator DepIt;
+
+    for (DepIt it = d->lastDeployed.constBegin(); it != d->lastDeployed.constEnd(); ++it) {
+        fileList << it.key().file.localFilePath().toString();
+        remotePathList << it.key().file.remoteDirectory();
+        hostList << it.key().host;
+        sysrootList << it.key().sysroot;
+        timeList << it.value();
+    }
+    map.insert(QLatin1String(LastDeployedHostsKey), hostList);
+    map.insert(QLatin1String(LastDeployedSysrootsKey), sysrootList);
+    map.insert(QLatin1String(LastDeployedFilesKey), fileList);
+    map.insert(QLatin1String(LastDeployedRemotePathsKey), remotePathList);
+    map.insert(QLatin1String(LastDeployedTimesKey), timeList);
+    return map;
+}
+
+void DeploymentTimeInfo::importDeployTimes(const QVariantMap &map)
+{
+    const QVariantList &hostList = map.value(QLatin1String(LastDeployedHostsKey)).toList();
+    const QVariantList &sysrootList = map.value(QLatin1String(LastDeployedSysrootsKey)).toList();
+    const QVariantList &fileList = map.value(QLatin1String(LastDeployedFilesKey)).toList();
+    const QVariantList &remotePathList
+        = map.value(QLatin1String(LastDeployedRemotePathsKey)).toList();
+    const QVariantList &timeList = map.value(QLatin1String(LastDeployedTimesKey)).toList();
+
+    const int elemCount = qMin(qMin(qMin(hostList.size(), fileList.size()),
+                                    qMin(remotePathList.size(), timeList.size())),
+                               sysrootList.size());
+
+    for (int i = 0; i < elemCount; ++i) {
+        const DeployableFile df(fileList.at(i).toString(), remotePathList.at(i).toString());
+        const DeployParameters dp(df, hostList.at(i).toString(), sysrootList.at(i).toString());
+        d->lastDeployed.insert(dp, timeList.at(i).toDateTime());
+    }
+}
+
+} // namespace RemoteLinux
diff --git a/src/plugins/remotelinux/deploymenttimeinfo.h b/src/plugins/remotelinux/deploymenttimeinfo.h
new file mode 100644
index 0000000000..942bc9c4ab
--- /dev/null
+++ b/src/plugins/remotelinux/deploymenttimeinfo.h
@@ -0,0 +1,58 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include <QVariantMap>
+#include <projectexplorer/devicesupport/idevice.h>
+
+namespace ProjectExplorer {
+class DeployableFile;
+class Kit;
+}
+
+namespace RemoteLinux {
+
+class DeploymentTimeInfoPrivate;
+
+class DeploymentTimeInfo
+{
+public:
+    DeploymentTimeInfo();
+
+    void importDeployTimes(const QVariantMap &map);
+    QVariantMap exportDeployTimes() const;
+
+    void saveDeploymentTimeStamp(const ProjectExplorer::DeployableFile &deployableFile,
+                                 const ProjectExplorer::Kit *kit);
+
+    bool hasChangedSinceLastDeployment(const ProjectExplorer::DeployableFile &deployableFile,
+                                       const ProjectExplorer::Kit *kit) const;
+
+private:
+    DeploymentTimeInfoPrivate *d;
+};
+
+} // namespace RemoteLinux
diff --git a/src/plugins/remotelinux/remotelinux.pro b/src/plugins/remotelinux/remotelinux.pro
index 794ae05927..9f1683508d 100644
--- a/src/plugins/remotelinux/remotelinux.pro
+++ b/src/plugins/remotelinux/remotelinux.pro
@@ -48,7 +48,8 @@ HEADERS += \
     abstractremotelinuxrunsupport.h \
     linuxdeviceprocess.h \
     remotelinuxcustomrunconfiguration.h \
-    remotelinuxsignaloperation.h
+    remotelinuxsignaloperation.h \
+    deploymenttimeinfo.h
 
 SOURCES += \
     embeddedlinuxqtversion.cpp \
@@ -94,7 +95,8 @@ SOURCES += \
     abstractremotelinuxrunsupport.cpp \
     linuxdeviceprocess.cpp \
     remotelinuxcustomrunconfiguration.cpp \
-    remotelinuxsignaloperation.cpp
+    remotelinuxsignaloperation.cpp \
+    deploymenttimeinfo.cpp
 
 FORMS += \
     genericlinuxdeviceconfigurationwizardsetuppage.ui \
diff --git a/src/plugins/remotelinux/remotelinux.qbs b/src/plugins/remotelinux/remotelinux.qbs
index 5727355ea0..a651d581a2 100644
--- a/src/plugins/remotelinux/remotelinux.qbs
+++ b/src/plugins/remotelinux/remotelinux.qbs
@@ -27,6 +27,8 @@ Project {
             "abstractremotelinuxrunsupport.h",
             "abstractuploadandinstallpackageservice.cpp",
             "abstractuploadandinstallpackageservice.h",
+            "deploymenttimeinfo.cpp",
+            "deploymenttimeinfo.h",
             "embeddedlinuxqtversion.cpp",
             "embeddedlinuxqtversion.h",
             "embeddedlinuxqtversionfactory.cpp",