#ifndef CORE_NETWORK_H
#define CORE_NETWORK_H

#include <netinet/in.h>
#include <stdio.h>

/* Easy access to ip fields */
typedef union {
    struct in_addr inaddr;
    struct{
        unsigned char b4,b3,b2,b1;  /* read ip as b1.b2.b3.b4 */
    } bytes;
} ip_t;


/*
    Describe the current network connection
    --> All values are in "host order"! <--
*/
typedef struct network_s{
    unsigned char connected:1;  /* 0/1 */
    unsigned char wifi_ok:1;
    int local_sock;
    
    /* In config file */
    unsigned short local_port;
    unsigned short serv_base_port;
    unsigned short serv_real_port;  // = serv_base_port + pad_number -1;
    ip_t serv_ip;
} network_t;


/*
    Write ip text into buffer
    returns 1 ok
            0 failed
*/
extern unsigned char network_ip2str(char* buffer, int size, ip_t ip);


/*
    Init defaults network values
*/
extern void network_init(network_t* n);


/*
    Connect wifi
    Return:  1 OK
             0 Error
*/
extern int network_connect(network_t* n);


/*
    Disconnect wifi
*/
extern void network_disconnect(network_t* n);


/*
    Send a message
*/
extern void network_send_msg(network_t* n, void* msg, int msglen);


/*
    Process xml atoms
*/
extern int network_process_xml(void* elem, char* tag, char* content);


/*
    Write xml atoms
*/
extern void network_write_xml(network_t* n, FILE* out);

#endif  /* CORE_NETWORK_H */