version 4.2.0

move toStdFunction() to pibase.h
refactor PIParseHelper, now it much more abstract and useful
fix PIIODevice::createFromFullPath() when whitespaces at start or end are presence
PIStreamPacker add events for start and end packet receive
PIClientServer::ClientBase add virtual methods for start and end packet receive. also one can enable diagnostics with enableDiagnostics() method
PICout now call flush() on each end of output
add PIString::entries(const PIString & str)

libs/main/client_server/piclientserver_client_base.h

@@ -26,6 +26,7 @@
 #define piclientserver_client_base_H
 
 #include "piclientserver_config.h"
+#include "pidiagnostics.h"
 #include "pip_client_server_export.h"
 #include "pistreampacker.h"
 
@@ -52,12 +53,18 @@ public:
 	int write(const void * d, const size_t s);
 	int write(const PIByteArray & ba) { return write(ba.data(), ba.size()); }
 
+	void enableDiagnostics();
+	PIDiagnostics::State diagnostics() const;
+	int receivePacketProgress() const;
+
 	Config & configuration() { return config; }
 
 protected:
 	virtual void readed(PIByteArray data) {}
 	virtual void connected() {}
 	virtual void disconnected() {}
+	virtual void receivePacketStart(int size) {}
+	virtual void receivePacketEnd() {}
 
 	void init();
 
@@ -71,6 +78,7 @@ private:
 
 	PIStreamPacker stream;
 	mutable PIMutex write_mutex;
+	PIDiagnostics * diag = nullptr;
 };
 
 } // namespace PIClientServer