bufferpoolnode.hh

/*
 * bufferpoolnode.hh - Class used to manage a buffer obtained via a BufferPool
 *
 * Romain Gaillard.
 */
 
#ifndef MIDDLEBOX_BUFFERPOOLNODE_HH
#define MIDDLEBOX_BUFFERPOOLNODE_HH
 
#include <click/vector.hh>
 
CLICK_DECLS
 
class BufferPoolNode
{
    friend class BufferPool;
public:
    BufferPoolNode(uint32_t initialSize);
 
    ~BufferPoolNode();
 
    unsigned char* getBuffer();
 
    uint32_t getSize() const;
 
    void resize(uint32_t newSize);
 
private:
    // We use a Vector as it provides a contiguous area of memory that can be resized at will
    Vector<unsigned char> buffer; 
    BufferPoolNode* nextNode; 
};
 
CLICK_ENDDECLS
 
#endif