add loading of plugins

libnymea-core/experiences/experiencemanager.cpp

@@ -1,11 +1,74 @@
 #include "experiencemanager.h"
+#include "experiences/experienceplugin.h"
 
 #include "jsonrpc/jsonrpcserver.h"
+#include "loggingcategories.h"
+
+#include <QCoreApplication>
+#include <QDir>
+#include <QDebug>
+#include <QPluginLoader>
+
 namespace nymeaserver {
+
 ExperienceManager::ExperienceManager(JsonRPCServer *jsonRpcServer, QObject *parent) : QObject(parent)
 {
 //    jsonRpcServer->registerHandler();
 
+    foreach (const QString &path, pluginSearchDirs()) {
+        QDir dir(path);
+        qCDebug(dcExperiences) << "Loading platform plugins from:" << dir.absolutePath();
+        foreach (const QString &entry, dir.entryList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot)) {
+            QFileInfo fi(path + "/" + entry);
+            if (fi.isFile()) {
+                if (entry.startsWith("libnymea_experienceplugin") && entry.endsWith(".so")) {
+                    loadExperiencePlugin(path + "/" + entry);
+                }
+            } else if (fi.isDir()) {
+                if (QFileInfo::exists(path + "/" + entry + "/libnymea_experienceplugin" + entry + ".so")) {
+                    loadExperiencePlugin(path + "/" +  entry + "/libnymea_experienceplugin" + entry + ".so");
+                }
+            }
+        }
+    }
+}
+
+QStringList ExperienceManager::pluginSearchDirs() const
+{
+    QStringList searchDirs;
+    QByteArray envPath = qgetenv("NYMEA_EXPERIENCE_PLUGINS_PATH");
+    if (!envPath.isEmpty()) {
+        searchDirs << QString(envPath).split(':');
+    }
+
+    foreach (QString libraryPath, QCoreApplication::libraryPaths()) {
+        searchDirs << libraryPath.replace("qt5", "nymea").replace("plugins", "experiences");
+    }
+    searchDirs << QCoreApplication::applicationDirPath() + "/../lib/nymea/experiences";
+    searchDirs << QCoreApplication::applicationDirPath() + "/../experiences/";
+    searchDirs << QCoreApplication::applicationDirPath() + "/../../../experiences/";
+    return searchDirs;
+}
+
+void ExperienceManager::loadExperiencePlugin(const QString &file)
+{
+    QPluginLoader loader;
+    loader.setFileName(file);
+    loader.setLoadHints(QLibrary::ResolveAllSymbolsHint);
+    if (!loader.load()) {
+        qCWarning(dcExperiences()) << loader.errorString();
+        return;
+    }
+    ExperiencePlugin *plugin = qobject_cast<ExperiencePlugin*>(loader.instance());
+    if (!plugin) {
+        qCWarning(dcExperiences()) << "Could not get plugin instance of" << loader.fileName();
+        loader.unload();
+        return;
+    }
+    qCDebug(dcExperiences()) << "Loaded experience plugin:" << loader.fileName();
+    plugin->setParent(this);
+
+    m_plugins.append(plugin);
 }
 
 }

libnymea-core/experiences/experiencemanager.h

@@ -3,6 +3,8 @@
 
 #include <QObject>
 
+class ExperiencePlugin;
+
 namespace nymeaserver {
 
 class JsonRPCServer;
@@ -16,6 +18,14 @@ public:
 signals:
 
 public slots:
+
+private:
+    QStringList pluginSearchDirs() const;
+
+    void loadExperiencePlugin(const QString &file);
+
+private:
+    QList<ExperiencePlugin*> m_plugins;
 };
 
 }

libnymea-core/nymeacore.cpp

@@ -97,6 +97,7 @@
 #include "nymeasettings.h"
 #include "tagging/tagsstorage.h"
 #include "platform/platform.h"
+#include "experiences/experiencemanager.h"
 
 #include "devices/devicemanagerimplementation.h"
 #include "devices/device.h"
@@ -172,6 +173,7 @@ void NymeaCore::init() {
     m_cloudManager = new CloudManager(m_configuration, m_networkManager, this);
 
     qCDebug(dcApplication()) << "Loading experiences";
+    new ExperienceManager(m_serverManager->jsonServer(), this);
 
 
     CloudNotifications *cloudNotifications = m_cloudManager->createNotificationsPlugin();

libnymea/loggingcategories.cpp

@@ -30,6 +30,7 @@ Q_LOGGING_CATEGORY(dcSystem, "System")
 Q_LOGGING_CATEGORY(dcPlatform, "Platform")
 Q_LOGGING_CATEGORY(dcPlatformUpdate, "PlatformUpdate")
 Q_LOGGING_CATEGORY(dcPlatformZeroConf, "PlatformZeroConf")
+Q_LOGGING_CATEGORY(dcExperiences, "Experiences")
 Q_LOGGING_CATEGORY(dcTimeManager, "TimeManager")
 Q_LOGGING_CATEGORY(dcRuleEngine, "RuleEngine")
 Q_LOGGING_CATEGORY(dcRuleEngineDebug, "RuleEngineDebug")

libnymea/loggingcategories.h

@@ -35,6 +35,7 @@ Q_DECLARE_LOGGING_CATEGORY(dcSystem)
 Q_DECLARE_LOGGING_CATEGORY(dcPlatform)
 Q_DECLARE_LOGGING_CATEGORY(dcPlatformUpdate)
 Q_DECLARE_LOGGING_CATEGORY(dcPlatformZeroConf)
+Q_DECLARE_LOGGING_CATEGORY(dcExperiences)
 Q_DECLARE_LOGGING_CATEGORY(dcTimeManager)
 Q_DECLARE_LOGGING_CATEGORY(dcRuleEngine)
 Q_DECLARE_LOGGING_CATEGORY(dcRuleEngineDebug)