packet_peer.h

/*************************************************************************/
/*  packet_peer.h                                                        */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
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#ifndef PACKET_PEER_H
#define PACKET_PEER_H

#include "object.h"
#include "io/stream_peer.h"
#include "ring_buffer.h"
class PacketPeer : public Reference {

    OBJ_TYPE( PacketPeer, Reference );

    Variant _bnd_get_var() const;
    void _bnd_put_var(const Variant& p_var);

    static void _bind_methods();


    Error _put_packet(const DVector<uint8_t> &p_buffer);
    DVector<uint8_t> _get_packet() const;
    Error _get_packet_error() const;


    mutable Error last_get_error;

public:

    virtual int get_available_packet_count() const=0;
    virtual Error get_packet(const uint8_t **r_buffer,int &r_buffer_size) const=0; 
    virtual Error put_packet(const uint8_t *p_buffer,int p_buffer_size)=0;

    virtual int get_max_packet_size() const=0;

    /* helpers / binders */

    virtual Error get_packet_buffer(DVector<uint8_t> &r_buffer) const;
    virtual Error put_packet_buffer(const DVector<uint8_t> &p_buffer);

    virtual Error get_var(Variant &r_variant) const;
    virtual Error put_var(const Variant& p_packet);

    PacketPeer();
    ~PacketPeer(){}
};

class PacketPeerStream : public PacketPeer {

    OBJ_TYPE(PacketPeerStream,PacketPeer);

    //the way the buffers work sucks, will change later

    mutable Ref<StreamPeer> peer;
    mutable RingBuffer<uint8_t> ring_buffer;
    mutable Vector<uint8_t> temp_buffer;

    Error _poll_buffer() const;
protected:

    void _set_stream_peer(REF p_peer);
    static void _bind_methods();
public:

    virtual int get_available_packet_count() const;
    virtual Error get_packet(const uint8_t **r_buffer,int &r_buffer_size) const;
    virtual Error put_packet(const uint8_t *p_buffer,int p_buffer_size);

    virtual int get_max_packet_size() const;

    void set_stream_peer(const Ref<StreamPeer>&  p_peer);
    void set_input_buffer_max_size(int p_max_size);
    PacketPeerStream();

};


#endif // PACKET_STREAM_H