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#include "qdltplugin.h"
#include "qdltpluginmanager.h"
#include <QDir>
#include <QDebug>
#include <QCoreApplication>
#include <QPluginLoader>
#include <QMutex>
//#include <QMessageBox>
#include <QTextStream>
#include <QString>
#ifndef PLUGIN_INSTALLATION_PATH
#define PLUGIN_INSTALLATION_PATH ""
#endif
QDltPluginManager::QDltPluginManager()
{
pMutex_pluginList = new QMutex();
}
QDltPluginManager::~QDltPluginManager()
{
delete pMutex_pluginList;
}
int QDltPluginManager::size() const
{
return plugins.size();
}
QStringList QDltPluginManager::loadPlugins(const QString &settingsPluginPath)
{
QDir pluginsDir1;
QDir pluginsDir2;
QDir pluginsDir3;
QStringList errorStrings;
QString defaultPluginPath = PLUGIN_INSTALLATION_PATH;
/* The viewer always looks in the relative to the executable in the ./plugins directory */
pluginsDir1.setPath(QCoreApplication::applicationDirPath());
if(pluginsDir1.cd("plugins"))
{
errorStrings << loadPluginsPath(pluginsDir1);
}
/* Check system plugins path */
if(!defaultPluginPath.isEmpty())
{
pluginsDir2.setPath(defaultPluginPath);
if(pluginsDir2.exists() && pluginsDir2.canonicalPath() != pluginsDir1.canonicalPath())
{
errorStrings << loadPluginsPath(pluginsDir2);
}
}
/* load plugins form settings path if set */
if(!settingsPluginPath.isEmpty())
{
pluginsDir3.setPath(settingsPluginPath);
if(pluginsDir3.exists() && pluginsDir3.isReadable()
&& pluginsDir3.canonicalPath() != pluginsDir1.canonicalPath()
&& pluginsDir3.canonicalPath() != pluginsDir2.canonicalPath())
{
errorStrings << loadPluginsPath(pluginsDir3);
}
}
return errorStrings;
}
QStringList QDltPluginManager::loadPluginsPath(QDir &dir)
{
/* set filter for plugin files */
QStringList filters, errorStrings;
QString errorString;
filters << "*.dll" << "*.so" << "*.dylib";
dir.setNameFilters(filters);
/* iterate through all plugins */
foreach (QString fileName, dir.entryList(QDir::Files))
{
QPluginLoader pluginLoader(dir.absoluteFilePath(fileName));
QObject *plugin = pluginLoader.instance();
if (plugin)
{
QDLTPluginInterface *plugininterface = qobject_cast<QDLTPluginInterface *>(plugin);
if (plugininterface)
{
if(QString::compare( plugininterface->pluginInterfaceVersion(),PLUGIN_INTERFACE_VERSION, Qt::CaseSensitive) == 0){
QDltPlugin* item = new QDltPlugin();
item->loadPlugin(plugin);
item->initMessageDecoder(this);
pMutex_pluginList->lock();
plugins.append(item);
pMutex_pluginList->unlock();
//project.plugin->addTopLevelItem(item);
} else {
// This is an abomination - it's unreadable 425+ chars long
// QMessageBox::warning(0, QString("DLT Viewer"),QString("Error: Plugin could not be loaded!\nMismatch with plugin interface version of DLT Viewer.\n\nPlugin name: %1\nPlugin version: %2\nPlugin interface version: %3\nPlugin path: %4\n\nDLT Viewer - Plugin interface version: %5").arg(plugininterface->name()).arg(plugininterface->pluginVersion()).arg(plugininterface->pluginInterfaceVersion()).arg(dir.absolutePath()).arg(PLUGIN_INTERFACE_VERSION));
QString s;
QTextStream errStr(&s);
errStr << "-------------"
<< "Error: Plugin could not be loaded!\n"
<< "Mismatch with plugin interface version of DLT Viewer.\n\n"
<< "Plugin name: " << plugininterface->name() << "\n"
<< "Plugin version: " << plugininterface->pluginVersion() << "\n"
<< "Plugin interface version: " << plugininterface->pluginInterfaceVersion() << "\n"
<< "Plugin path: " << dir.absolutePath() << "\n\n"
<< "DLT Viewer - Plugin interface version: " << PLUGIN_INTERFACE_VERSION << "\n";
errorStrings.append(s);
}
}
}
else {
//QMessageBox::warning(0, QString("DLT Viewer"),QString("The plugin %1 cannot be loaded.\n\nError: %2").arg(dir.absoluteFilePath(fileName)).arg(pluginLoader.errorString()));
QString s;
QTextStream errStr(&s);
errStr << "-------------"
<< "The plugin " << dir.absoluteFilePath(fileName) << "cannot be loaded.\n\n"
<< "Error: " << pluginLoader.errorString() << "\n";
errorStrings.append(s);
}
}
return errorStrings;
}
void QDltPluginManager::loadConfig(QString pluginName,QString filename)
{
pMutex_pluginList->lock();
for(int num=0;num<plugins.size();num++)
{
QDltPlugin *plugin = plugins[num];
if(plugin->name()==pluginName)
plugin->setFilename(filename);
}
pMutex_pluginList->unlock();
}
void QDltPluginManager::decodeMsg(QDltMsg &msg, int triggeredByUser)
{
pMutex_pluginList->lock();
for(int num=0;num<plugins.size();num++)
{
QDltPlugin *plugin = plugins[num];
if(plugin->decodeMsg(msg,triggeredByUser))
break;
}
pMutex_pluginList->unlock();
}
QDltPlugin* QDltPluginManager::findPlugin(QString &name)
{
QDltPlugin *plugin = nullptr;
pMutex_pluginList->lock();
for(int num=0;num<plugins.size();num++)
{
QDltPlugin *plugin = plugins[num];
if(plugin->name()==name)
{
pMutex_pluginList->unlock();
return plugin;
}
}
pMutex_pluginList->unlock();
return plugin;
}
void QDltPluginManager::initPluginPriority(const QStringList& desiredPrio)
{
QStringList finalPrio;
if(plugins.size() > 1) {
int prio = 0;
for (int i = 0; i < desiredPrio.count(); ++i) {
QString pluginName(desiredPrio[i]);
if (setPluginPriority(pluginName, prio)) {
++prio;
}
}
}
}
bool QDltPluginManager::decreasePluginPriority(const QString &name)
{
bool result = false;
if(plugins.size() > 1)
{
pMutex_pluginList->lock();
for(int num=0; num < plugins.size()-1; ++num)
{
if(plugins[num]->name() == name)
{
qDebug() << "decrease prio of" << name << "from" << num << "to" << num+1;
plugins.move(num, num+1);
result = true;
break;
}
}
pMutex_pluginList->unlock();
}
return result;
}
bool QDltPluginManager::raisePluginPriority(const QString &name)
{
bool result = false;
if(plugins.size() > 1)
{
pMutex_pluginList->lock();
for(int num=1; num < plugins.size(); ++num)
{
if( plugins[num]->name() == name)
{
qDebug() << "raise prio of" << name << "from" << num << "to" << num-1;
plugins.move(num, num-1);
result = true;
break;
}
}
pMutex_pluginList->unlock();
}
return result;
}
bool QDltPluginManager::setPluginPriority(const QString& name, int prio)
{
bool result = false;
if(plugins.size() > 1) {
//if prio is too large, put to the end of the list
if(prio >= plugins.size()) {
prio = plugins.size() - 1;
}
pMutex_pluginList->lock();
for (int num = 0; num < plugins.size(); ++num) {
if (plugins[num]->name() == name) {
if (prio != num) {
qDebug() << "Changing priority of plugin" << name << "from" << num << "to" << prio;
plugins.move(num, prio);
}
result = true;
break;
}
}
pMutex_pluginList->unlock();
}
return result;
}
QStringList QDltPluginManager::getPluginPriorities() const
{
QStringList finalPrio;
if(plugins.size() > 0) {
pMutex_pluginList->lock();
for(int num=0; num < plugins.size(); ++num)
{
finalPrio << plugins[num]->name();
}
pMutex_pluginList->unlock();
}
return finalPrio;
}
QList<QDltPlugin*> QDltPluginManager::getDecoderPlugins()
{
QList<QDltPlugin*> list;
pMutex_pluginList->lock();
for(int num=0;num<plugins.size();num++)
{
QDltPlugin *plugin = plugins[num];
if(plugin->isDecoder() && plugin->getMode()>=QDltPlugin::ModeEnable)
list.append(plugin);
}
pMutex_pluginList->unlock();
return list;
}
QList<QDltPlugin*> QDltPluginManager::getViewerPlugins()
{
QList<QDltPlugin*> list;
pMutex_pluginList->lock();
for(int num=0;num<plugins.size();num++)
{
QDltPlugin *plugin = plugins[num];
if(plugin->isViewer() && plugin->getMode()>=QDltPlugin::ModeEnable)
list.append(plugin);
}
pMutex_pluginList->unlock();
return list;
}
bool QDltPluginManager::stateChanged(int index, QDltConnection::QDltConnectionState connectionState,QString hostname)
{
pMutex_pluginList->lock();
for(int num=0;num<plugins.size();num++)
{
QDltPlugin *plugin = plugins[num];
if(plugin->isControl() )
plugin->stateChanged(index,connectionState,hostname);
}
pMutex_pluginList->unlock();
return true;
}
bool QDltPluginManager::autoscrollStateChanged(bool enabled)
{
pMutex_pluginList->lock();
for(int num=0;num<plugins.size();num++)
{
QDltPlugin *plugin = plugins[num];
if(plugin->isControl() )
plugin->autoscrollStateChanged(enabled);
}
pMutex_pluginList->unlock();
return true;
}
bool QDltPluginManager::initControl(QDltControl *control)
{
pMutex_pluginList->lock();
for(int num=0;num<plugins.size();num++)
{
QDltPlugin *plugin = plugins[num];
if(plugin->isControl() )
plugin->initControl(control);
}
pMutex_pluginList->unlock();
return true;
}
bool QDltPluginManager::initConnections(QStringList list)
{
pMutex_pluginList->lock();
for(int num=0;num<plugins.size();num++)
{
QDltPlugin *plugin = plugins[num];
if(plugin->isControl() )
plugin->initConnections(list);
}
pMutex_pluginList->unlock();
return true;
}
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