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/*
* Copyright (c) 2021 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define _GNU_SOURCE
#include <fcntl.h>
#include <sched.h>
#include <vppinfra/format.h>
__clib_export int
clib_netns_open (u8 *netns_u8)
{
char *netns = (char *) netns_u8;
u8 *s = 0;
int fd;
if ((NULL) == netns)
s = format (0, "/proc/self/ns/net");
else if (strncmp (netns, "pid:", 4) == 0)
s = format (0, "/proc/%u/ns/net%c", atoi (netns + 4), 0);
else if (netns[0] == '/')
s = format (0, "%s%c", netns, 0);
else
s = format (0, "/var/run/netns/%s%c", netns, 0);
fd = open ((char *) s, O_RDONLY);
vec_free (s);
return fd;
}
__clib_export int
clib_setns (int nfd)
{
return setns (nfd, CLONE_NEWNET);
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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