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/*
 * Project: S.Ha.R.K.
 *
 * Coordinators:
 *   Giorgio Buttazzo    <giorgio@sssup.it>
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *
 * Authors     :
 *   Giacomo Guidi       <giacomo@gandalf.sssup.it>
 *
 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
 *
 * http://www.sssup.it
 * http://retis.sssup.it
 * http://shark.sssup.it
 */

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include <kernel/kern.h>
#include <drivers/udpip.h>

#include <stdlib.h>
#include <string.h>
#include <unistd.h>

/* Init the network stack */
int init_network(char *local_ip)
{

        struct net_model m = net_base;

        net_setudpip(m, local_ip, "255.255.255.255");
                                                                                                                             
        if (net_init(&m) != 1) {
                cprintf("Network: Init Error.\n");
                return -1;
        }

        return 0;

}

int main(int argc, char **argv)
{
        UDP_ADDR target, local;
        char local_ip[20], target_ip[20], buff[10];
        int socket, i;
        IP_ADDR bindlist[5];

        strcpy(local_ip,  "192.168.1.10");
        strcpy(target_ip, "192.168.1.1");

        if (init_network(local_ip)) exit(1);

        /* local IP string to addr */
        ip_str2addr(local_ip,&(local.s_addr));
        /* set the source port */
        local.s_port = 100;

        /* target IP string to addr */
        ip_str2addr(target_ip,&(bindlist[0]));
        memset(&(bindlist[1]), 0, sizeof(IP_ADDR));
        /* bind */
        socket = udp_bind(&local, NULL);

        /* target IP string to addr */
        ip_str2addr(target_ip,&(target.s_addr));
        /* target port */
        target.s_port = 100;

        for (i = 0; i < 5; i++) {
                strcpy(buff, "qwerty\n");
                cprintf("Send packet: %s\n", buff);
                udp_sendto(socket, buff, strlen(buff), &target);
                sleep(1);
        }

        cprintf("The End.\n");

        exit(1);

        return 0;
}