Fix problems with missing safety checks in Render::fillBuffer and pdfcomic

YACReaderLibrary/yacreader_local_server.h

@@ -0,0 +1,50 @@
+#ifndef YACREADER_LOCAL_SERVER_H
+#define YACREADER_LOCAL_SERVER_H
+
+#include <QObject>
+#include <QThread>
+#include <QMutex>
+
+class QLocalServer;
+class QLocalSocket;
+class ComicDB;
+
+class YACReaderLocalServer : public QObject
+{
+	Q_OBJECT
+public:
+	explicit YACReaderLocalServer(QObject *parent = 0);
+	
+signals:
+	void comicUpdated(quint64 libraryId, const ComicDB & comic);
+public slots:
+	bool isListening();
+	void sendResponse();
+	static bool isRunning();
+    void close();
+private:
+	//void run();
+	QLocalServer * localServer;
+	
+};
+
+class YACReaderClientConnectionWorker : public QThread
+{
+	Q_OBJECT
+public:
+	YACReaderClientConnectionWorker( QLocalSocket *clientConnection);
+	~YACReaderClientConnectionWorker();
+signals:
+	void comicUpdated(quint64 libraryId, const ComicDB & comic);
+private:
+	static QMutex dbMutex;
+	//static int count;
+	void run();
+	
+	void getComicInfo(quint64 libraryId, ComicDB & comic, QList<ComicDB> & sibling);
+	void updateComic(quint64 libraryId, ComicDB & comic);
+
+	QLocalSocket *clientConnection;
+};
+
+#endif // YACREADER_LOCAL_SERVER_H