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/*
* Copyright © 2013 Benjamin Franzke
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "util.h"
#include "econproto.h"
#include "econpacket.h"
static void
parse_clientinfo(struct econ_packet *pkt)
{
/* Clientinfo has our ip in the packet header,
* and the record has the ip 16.0.32.0,
* none of them are the acutal beamer ip,
* so we retreive that from the up packet directly. */
printf("%s", inet_ntoa(pkt->addr.sin_addr));
if (pkt->hdr.datasize > 0) {
char *name = pkt->cmd.command.clientinfo.projName;
int state = pkt->cmd.command.clientinfo.projState;
name[ECON_PROJNAME_MAXLEN-1] = '\0';
printf(" - %s: %s", name,
state == E_PSTAT_NOUSE ? "no use" : "in use");
}
printf("\n");
}
int
main(int argc, char *argv[])
{
int cfd, sfd;
struct econ_packet pkt;
struct in_addr in;
if (argc < 2)
exit(EXIT_FAILURE);
cfd = connect_to_host(SOCK_DGRAM, argv[1], STR(ECON_PORTNUMBER));
if (cfd < 0)
exit(EXIT_FAILURE);
in.s_addr = sock_get_ipv4_addr(cfd);
sfd = bind_socket(SOCK_DGRAM, inet_ntoa(in), STR(ECON_PORTNUMBER));
epkt_init(&pkt, E_CMD_EASYSEARCH);
set_ip(pkt.hdr.IPaddress, sock_get_ipv4_addr(sfd));
if (epkt_send(cfd, &pkt) < 0)
exit(EXIT_FAILURE);
if (epkt_read(sfd, &pkt) < 0)
exit(EXIT_FAILURE);
if (pkt.hdr.commandID == E_CMD_CLIENTINFO)
parse_clientinfo(&pkt);
if (epkt_read(sfd, &pkt) < 0)
exit(EXIT_FAILURE);
close(cfd);
close(sfd);
return 0;
}
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