SO2.lab1.0zad1.nl

#include<stdio.h>
#include<string.h>
#include<netlink/netlink.h>

#define NETLINK_TEST 17
#define MSG_STR 0x11

int funkcja(struct nl_sock** ns, char msg[14])
{
    int result = nl_connect(*ns,NETLINK_TEST);

    if(result<0) {
        fprintf(stderr,"Blad wczytywania gniazda netlink: %s\t%d\t%d.\n",__FILE__,__LINE__-2,result);
        nl_socket_free(*ns);
        return -2;
    }

    return result;
}

void funkcja1(struct nl_sock** ns, char msg[14])
{
    printf("Moj port: %u\n",nl_socket_get_local_port(*ns));
        printf("Port odbiorcy: %u\n",nl_socket_get_peer_port(*ns));
        printf("Dlugosc wiadomosci: %u\n",sizeof(msg));


    nl_socket_disable_seq_check(*ns);
        nl_socket_disable_auto_ack(*ns);
        nl_socket_disable_msg_peek(*ns);
}


int main(void)
{

    struct nl_sock *ns;
    char msg[] = "Hello netlink";
    ns = nl_socket_alloc();

    if(!ns) {
        fprintf(stderr,"Blad tworzenia gniazda netlink: %s\t%d.\n",__FILE__,__LINE__-2);
        return -1;
    }

    funkcja1(&ns, msg);

    int result = funkcja(&ns, msg);
    if (result < 0)
        return -2;

    result = nl_send_simple(ns,MSG_STR,NLM_F_REQUEST,(void *)msg,sizeof(msg));
    if(result<0)
        fprintf(stderr,"Blad wysylania wiadomosci: %s\t%d\t%d\n",__FILE__,__LINE__,result);
    else
        printf("Wyslano %d bajtow wiadomosci.\n",result);


    nl_socket_free(ns);
    return 0;
}