Laika/lib/include/lpeer.h

#ifndef LAIKA_PEER_H
#define LAIKA_PEER_H

#include "laika.h"
#include "lsocket.h"
#include "lpacket.h"
#include "lpolllist.h"
#include "lrsa.h"

typedef enum {
    PEER_UNVERIFIED,
    PEER_BOT,
    PEER_CNC, /* cnc 2 cnc communication */
    PEER_AUTH /* authorized peers can send commands to cnc */
} PEERTYPE;

struct sLaika_peer;
typedef void (*PeerPktHandler)(struct sLaika_peer *peer, LAIKAPKT_SIZE sz, void *uData);

struct sLaika_peer {
    struct sLaika_socket sock; /* DO NOT MOVE THIS. this member HAS TO BE FIRST so that typecasting sLaika_peer* to sLaika_sock* works as intended */
    uint8_t peerPub[crypto_box_PUBLICKEYBYTES]; /* key to encrypt outgoing packets */
    struct sLaika_pollList *pList; /* pollList we're active in */
    PeerPktHandler *handlers;
    LAIKAPKT_SIZE *pktSizeTable; /* const table to pull pkt size data from */
    uint8_t *priv; /* key to decrypt incoming packets */
    uint8_t *pub; /* pub key matching to priv */
    void *uData; /* data to be passed to pktHandler */
    LAIKAPKT_SIZE pktSize; /* current pkt size */
    LAIKAPKT_ID pktID; /* current pkt ID */
    PEERTYPE type;
    bool setPollOut; /* is EPOLLOUT/POLLOUT is set on sock's pollfd ? */
};

struct sLaika_peer *laikaS_newPeer(PeerPktHandler *handlers, LAIKAPKT_SIZE *pktSizeTable, struct sLaika_pollList *pList, void *uData);
void laikaS_freePeer(struct sLaika_peer *peer);

void laikaS_setKeys(struct sLaika_peer *peer, uint8_t *priv, uint8_t *pub);

bool laikaS_handlePeerIn(struct sLaika_peer *peer);
bool laikaS_handlePeerOut(struct sLaika_peer *peer);

#endif