WppConnection.h

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/*
 * WppConnection.h
 *
 *  Created on: 22 Jul 2023
 *      Author: valentin
 */
 
#ifndef I_WPP_CONNECTION_H_
#define I_WPP_CONNECTION_H_
 
#include <string>
 
#include "liblwm2m.h"
#include "SafeQueue.h"
 
#define WPP_CONN_I_PACKETS_QUEUE_SIZE 10
 
namespace wpp {
 
class WppClient;
class Lwm2mSecurity;
 
class WppConnection {
public:
    using SESSION_T = void*;
 
    struct Packet {
        SESSION_T session;
        size_t length;
        uint8_t *buffer;
    };
 
public:
    WppConnection();
    virtual ~WppConnection();
 
    WppConnection(const WppConnection&) = delete;
    WppConnection(WppConnection&&) = delete;
    WppConnection& operator=(const WppConnection&) = delete;
    WppConnection& operator=(WppConnection&&) = delete;
 
    /* ------------- Connection abilities ------------- */
    virtual SESSION_T connect(Lwm2mSecurity& security) = 0;
 
    virtual void disconnect(SESSION_T session) = 0;
 
    virtual bool sessionCmp(SESSION_T session1, SESSION_T session2) = 0;
 
    virtual bool sendPacket(const Packet &packet) = 0;
 
    bool addPacketToQueue(const Packet &packet);
 
    uint8_t getPacketQueueSize();
 
    void clearPacketQueue();
 
    bool setDataBlockSize(uint16_t size);
 
    uint16_t getDataBlockSize();
 
    void handlePacketsInQueue(WppClient &client);
 
private:
    SafeQueue<Packet, WPP_CONN_I_PACKETS_QUEUE_SIZE> packets;
};
 
} /* namespace wpp */
 
#endif /* I_WPP_CONNECTION_H_ */