/*
 * z21prot.h
 *
 *  Created on: 15.12.2017
 *      Author: steffen
 */

#ifndef Z21PROT_H_
#define Z21PROT_H_

#include <list>
#include "udp.h"

#define Z21_X_LEN 16

struct {
	unsigned char xheader;
	unsigned char db[Z21_X_LEN];
} typedef Z21_lan_x_data;

//
// work around for memory alignment on some CPUs/PocketPCs
uint8_t bufgetint8 (char *buf, int pos);
uint16_t bufgetint16 (char *buf, int pos);
uint32_t bufgetint32 (char *buf, int pos);
void bufsetint8 (char *buf, int pos, uint8_t i);
void bufsetint16 (char *buf, int pos, uint16_t i);
void bufsetint32 (char *buf, int pos, uint32_t i);

class Z21Client {
private:
	char outbuf[NET_BUFFERSIZE];
	string source;
public:
	Z21Client();
	~Z21Client();

	void setSource(string newsrc) { source = newsrc; };
	string getSource() { return source; };
	bool isSource(string srcaddr) { return (source.compare(srcaddr) == 0); };
	bool LoopData (UDPConnection *udp, char *buffer, size_t len);
	void Send_LAN_RMBUS_DATACHANGED (UDPConnection *udp, unsigned char grpidx);
};

class Z21Server{
private:
	list<Z21Client*> clients;
	UDPConnection udp;
	char buffer[NET_BUFFERSIZE];
public:
	Z21Server ();
	~Z21Server ();

	int Loop();		// returns number of connections
	void Start();
};

#endif /* Z21PROT_H_ */