add PIClientServer::Config, common configuration type for both sides, stream packer and encryption settings

libs/main/client_server/piclientserver_client_base.h

@@ -25,7 +25,7 @@
 #ifndef piclientserver_client_base_H
 #define piclientserver_client_base_H
 
-#include "pinetworkaddress.h"
+#include "piclientserver_config.h"
 #include "pip_client_server_export.h"
 #include "pistreampacker.h"
 
@@ -36,6 +36,7 @@ namespace PIClientServer {
 class Server;
 
 class PIP_CLIENT_SERVER_EXPORT ClientBase {
+	friend class Config;
 	friend class Server;
 	NO_COPY_CLASS(ClientBase);
 
@@ -50,7 +51,7 @@ public:
 	int write(const void * d, const size_t s);
 	int write(const PIByteArray & ba) { return write(ba.data(), ba.size()); }
 
-	void enableSymmetricEncryption(const PIByteArray & key);
+	Config & configuration() { return config; }
 
 protected:
 	virtual void readed(PIByteArray data) {}
@@ -62,6 +63,7 @@ protected:
 	bool own_tcp               = false;
 	std::atomic_bool can_write = {true};
 	PIEthernet * tcp           = nullptr;
+	Config config;
 
 private:
 	void destroy();