udp.h

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#ifndef __UDP_H
#define __UDP_H

/* -- Includes -- */
/* system libraries */
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>

/* -- Types -- */

typedef struct s_UDP_STRUCT
{
    // Socket address
    struct sockaddr_in sock_send;
    struct sockaddr_in sock_recv;
    struct sockaddr_in sock_conn;

    //
    socklen_t sock_conn_len;

    // Socket descriptors
    int sd_send;
    int sd_recv;

    // UDP settings
    char broadcast_ip[16];
    int port;
    int packet_size;


} udp_t;

/* -- Constants -- */

/* -- Function Prototypes -- */

int udp_init_broadcast(udp_t *udp);
int udp_init_receive(udp_t *udp);
udp_t *udp_open(char *broadcast_ip, int port, int packet_size); // Open UDP broadcast and recieve sockets
int udp_close(udp_t *udp); // Deinitialize UDP
int udp_broadcast(udp_t *udp, char *packet, int len); // Broadcast packet through UDP
int udp_receive(udp_t *udp, char *packet, int *len); // Receive packet through UDP
 


 #endif /* __UDP_H */