global logbuffer (#297)

* - implement a global logbuffer
- providerrs232 reduce log spam

* logger add signal and start json push

* implement logger notifier ... need some cleanup

include/utils/Logger.h

@@ -1,9 +1,17 @@
 #pragma once
 
+// QT includes
+#include <QObject>
+#include <QString>
+
+// stl includes
 #include <string>
 #include <stdio.h>
 #include <stdarg.h>
 #include <map>
+#include <QVector>
+
+
 
 // standard log messages
 //#define _FUNCNAME_ __PRETTY_FUNCTION__
@@ -22,20 +30,39 @@
 
 // ================================================================
 
-class Logger
+class Logger : public QObject
 {
+	Q_OBJECT
+
 public:
 	enum LogLevel { UNSET=0,DEBUG=1, INFO=2,WARNING=3,ERROR=4,OFF=5 };
 
+	typedef struct
+	{
+		QString      appName;
+		QString      loggerName;
+		QString      function;
+		unsigned int line;
+		QString      fileName;
+		time_t       utime;
+		QString      message;
+		LogLevel     level;
+		QString      levelString;
+	} T_LOG_MESSAGE;
+
 	static Logger*  getInstance(std::string name="", LogLevel minLevel=Logger::INFO);
 	static void     deleteInstance(std::string name="");
 	static void     setLogLevel(LogLevel level,std::string name="");
 	static LogLevel getLogLevel(std::string name="");
+	static QVector<Logger::T_LOG_MESSAGE>* getGlobalLogMessageBuffer() { return GlobalLogMessageBuffer; };
 
 	void     Message(LogLevel level, const char* sourceFile, const char* func, unsigned int line, const char* fmt, ...);
 	void     setMinLevel(LogLevel level) { _minLevel = level; };
 	LogLevel getMinLevel() { return _minLevel; };
 
+signals:
+	void newLogMessage(Logger::T_LOG_MESSAGE);
+
 protected:
 	Logger( std::string name="", LogLevel minLevel=INFO);
 	~Logger();
@@ -43,6 +70,8 @@ protected:
 private:
 	static std::map<std::string,Logger*> *LoggerMap;
 	static LogLevel GLOBAL_MIN_LOG_LEVEL;
+	static QVector<T_LOG_MESSAGE> *GlobalLogMessageBuffer;
+	static QVector<T_LOG_MESSAGE> *LogCallacks;
 
 	std::string _name;
 	std::string _appname;
@@ -51,3 +80,21 @@ private:
 	unsigned int _loggerId;
 };
 
+class LoggerNotifier : public QObject
+{
+	Q_OBJECT
+
+public:
+	static LoggerNotifier* getInstance();
+
+protected:
+	LoggerNotifier();
+	~LoggerNotifier();
+
+	static LoggerNotifier* instance;
+public slots:
+	void handleNewLogMessage(Logger::T_LOG_MESSAGE);
+
+signals:
+	void newLogMessage(Logger::T_LOG_MESSAGE);
+};