movedev.c revision 96f3e4ebd4c232776e35ae85a88f25b206e280af
/*
* lxc: linux Container library
*
* (C) Copyright IBM Corp. 2007, 2008
*
* Authors:
* Daniel Lezcano <dlezcano at fr.ibm.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <lxc/network.h>
void usage(const char *cmd)
{
fprintf(stderr, "%s -i <ifname> -p <pid>\n", cmd);
}
int main(int argc, char *argv[])
{
char *ifname = NULL;
pid_t pid = -1;
int opt;
while ((opt = getopt(argc, argv, "p:i:")) != -1) {
switch (opt) {
case 'p':
pid = atoi(optarg);
break;
case 'i':
ifname = optarg;
break;
}
}
if (!ifname || pid == -1) {
usage(argv[0]);
return 1;
}
if (device_move(ifname, pid)) {
fprintf(stderr, "failed to move %s\n", ifname);
return 1;
}
return 0;
}