#include <vector>

//#define MAX_PAYLOAD = MAX_PKT_SIZE – sizeof(SenderHeader);

class Packet{
public:
    //FINHeader* finHeader;
    char *B;
    bool recved;
    int seq;

    Packet(int bufferSize)
    {
        B = new char[bufferSize];
        recved = false;
    }
};

class CircularBuffer{
public:
    int head;
    int tail;
    vector<Packet> circularBuffer;

    CircularBuffer(int initSeqNum)
    {
        head = initSeqNum;
        tail = initSeqNum;
    }
};