add a proof of concept on how to dynamically load plugin's debug categories

libguh/devicemanager.cpp

@@ -226,6 +226,35 @@ DeviceManager::~DeviceManager()
     }
 }
 
+QList<QJsonObject> DeviceManager::pluginNames()
+{
+    QStringList searchDirs;
+    searchDirs << QCoreApplication::applicationDirPath() + "/../lib/guh/plugins";
+    searchDirs << QCoreApplication::applicationDirPath() + "/../plugins/";
+    searchDirs << QCoreApplication::applicationDirPath() + "/../plugins/deviceplugins";
+    searchDirs << QCoreApplication::applicationDirPath() + "/../../../plugins/deviceplugins";
+
+    QList<QJsonObject> pluginList;
+    foreach (const QString &path, searchDirs) {
+        QDir dir(path);
+        qCDebug(dcDeviceManager) << "Loading plugins from:" << dir.absolutePath();
+        foreach (const QString &entry, dir.entryList()) {
+            QFileInfo fi;
+            if (entry.startsWith("libguh_deviceplugin") && entry.endsWith(".so")) {
+                fi.setFile(path + "/" + entry);
+            } else {
+                fi.setFile(path + "/" + entry + "/libguh_deviceplugin" + entry + ".so");
+            }
+            if (!fi.exists()) {
+                continue;
+            }
+            QPluginLoader loader(fi.absoluteFilePath());
+            pluginList.append(loader.metaData().value("MetaData").toObject());
+        }
+    }
+    return pluginList;
+}
+
 /*! Returns all the \l{DevicePlugin}{DevicePlugins} loaded in the system. */
 QList<DevicePlugin *> DeviceManager::plugins() const
 {

libguh/devicemanager.h

@@ -34,6 +34,7 @@
 
 #include <QObject>
 #include <QTimer>
+#include <QPluginLoader>
 
 class Device;
 class DevicePlugin;
@@ -87,6 +88,8 @@ public:
     explicit DeviceManager(QObject *parent = 0);
     ~DeviceManager();
 
+    static QList<QJsonObject> pluginNames();
+
     QList<DevicePlugin*> plugins() const;
     DevicePlugin* plugin(const PluginId &id) const;
     DeviceError setPluginConfig(const PluginId &pluginId, const ParamList &pluginConfig);

libguh/loggingcategories.cpp

@@ -48,4 +48,4 @@ Q_LOGGING_CATEGORY(dcUdpCommander, "UdpCommander")
 Q_LOGGING_CATEGORY(dcWakeOnLan, "WakeOnLan")
 Q_LOGGING_CATEGORY(dcWemo, "Wemo")
 Q_LOGGING_CATEGORY(dcWifiDetector, "WifiDetector")
-Q_LOGGING_CATEGORY(dcKodi, "Kodi")
+//Q_LOGGING_CATEGORY(dcKodi, "Kodi")

libguh/loggingcategories.h

@@ -53,7 +53,7 @@ Q_DECLARE_LOGGING_CATEGORY(dcUdpCommander)
 Q_DECLARE_LOGGING_CATEGORY(dcWakeOnLan)
 Q_DECLARE_LOGGING_CATEGORY(dcWemo)
 Q_DECLARE_LOGGING_CATEGORY(dcWifiDetector)
-Q_DECLARE_LOGGING_CATEGORY(dcKodi)
+//Q_DECLARE_LOGGING_CATEGORY(dcKodi)
 
 
 

plugins/deviceplugins/kodi/devicepluginkodi.json

@@ -1,5 +1,6 @@
 {
     "name": "Kodi",
+    "idName": "Kodi",
     "id": "e7186890-99fa-4c5b-8247-09c6d450d490",
     "vendors": [
         {

plugins/deviceplugins/kodi/jsonhandler.cpp

@@ -19,7 +19,7 @@
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
 #include "jsonhandler.h"
-#include "loggingcategories.h"
+#include "extern-plugininfo.h"
 
 #include <QJsonDocument>
 

plugins/deviceplugins/kodi/kodiconnection.cpp

@@ -21,6 +21,7 @@
 #include "kodiconnection.h"
 #include "loggingcategories.h"
 #include "jsonhandler.h"
+#include "extern-plugininfo.h"
 
 #include <QPixmap>
 

plugins/generateplugininfo.py

@@ -6,6 +6,7 @@ import sys
 
 inputFile = open(sys.argv[1], "r")
 outputfile = open(sys.argv[2], "w")
+outputfile2 = open("extern-" + sys.argv[2], "w")
 variableNames = []
 
 try:
@@ -20,6 +21,9 @@ except ValueError as e:
 def out(line):
     outputfile.write("%s\n" % line)
 
+def out2(line):
+    outputfile2.write("%s\n" % line)
+
 def extractVendors(pluginMap):
     for vendor in pluginMap['vendors']:
         try:
@@ -117,12 +121,37 @@ out(" */")
 out("#ifndef PLUGININFO_H")
 out("#define PLUGININFO_H")
 out("#include \"typeutils.h\"")
+out("#include <QLoggingCategory>")
+
 out("")
 out("PluginId pluginId = PluginId(\"%s\");" % pluginMap['id'])
 
 extractVendors(pluginMap)
+out("")
+
+if 'idName' in pluginMap:
+    out("Q_DECLARE_LOGGING_CATEGORY(dc%s)" % pluginMap['idName'])
+    out("Q_LOGGING_CATEGORY(dc%s, \"dc%s\")" % (pluginMap['idName'], pluginMap['idName']))
 
 out("")
 out("#endif")
 
+
+out2("/* This file is generated by the guh build system. Any changes to this file will")
+out2(" * be lost.")
+out2(" *")
+out2(" * If you want to change this file, edit the plugin's json file and add")
+out2(" * idName tags where appropriate.")
+out2(" */")
+out2("#ifndef PLUGININFO_H")
+out2("#define PLUGININFO_H")
+out2("#include \"typeutils.h\"")
+out2("#include <QLoggingCategory>")
+out2("")
+if 'idName' in pluginMap:
+    out2("Q_DECLARE_LOGGING_CATEGORY(dc%s)" % pluginMap['idName'])
+out2("")
+out2("#endif")
+
+
 print " --> finished writing \"%s\"" % (sys.argv[2])

server/main.cpp

@@ -62,27 +62,9 @@ int main(int argc, char *argv[])
     s_loggingFilters.insert("Hardware", false);
     s_loggingFilters.insert("LogEngine", false);
 
-    // plugins
-    #ifdef boblight
-    s_loggingFilters.insert("Boblight", false);
-    #endif
-    s_loggingFilters.insert("CommandLauncher", false);
-    s_loggingFilters.insert("RF433", false);
-    s_loggingFilters.insert("DateTime", false);
-    s_loggingFilters.insert("EQ-3", false);
-    s_loggingFilters.insert("LgSmartTv", false);
-    s_loggingFilters.insert("Lircd", false);
-    s_loggingFilters.insert("MailNotification", false);
-    s_loggingFilters.insert("Mock", false);
-    s_loggingFilters.insert("Openweahtermap", false);
-    s_loggingFilters.insert("PhilipsHue", false);
-    s_loggingFilters.insert("Tune", false);
-    s_loggingFilters.insert("UdpCommander", false);
-    s_loggingFilters.insert("WakeOnLan", false);
-    s_loggingFilters.insert("Wemo", false);
-    s_loggingFilters.insert("WifiDetector", false);
-    s_loggingFilters.insert("Kodi", false);
-
+    foreach (const QJsonObject &object, DeviceManager::pluginNames()) {
+        s_loggingFilters.insert("dc" + object.value("idName").toString(), false);
+    }
 
     QCommandLineParser parser;
     parser.addHelpOption();