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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright (c) 2014 Joyent, Inc. All rights reserved.
*/
/*
* Create a datalink, set it to non-blocking mode and ensure that we get EAGAIN
* from frame I/O calls. Note that if this test is not plumbed up over an
* etherstub, then it is likely that other traffic will appear on the device and
* this will fail. Note that the test suite always creates these devices over an
* etherstub.
*/
#include <stdio.h>
#include <strings.h>
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <libvnd.h>
int
main(int argc, const char *argv[])
{
int syserr, ret, fd;
vnd_errno_t vnderr;
vnd_handle_t *vhp;
frameio_t *fio;
char buf[1520];
if (argc < 2) {
(void) fprintf(stderr, "missing arguments...\n");
return (1);
}
if (strlen(argv[1]) >= LIBVND_NAMELEN) {
(void) fprintf(stderr, "vnic name too long...\n");
return (1);
}
vhp = vnd_create(NULL, argv[1], argv[1], &vnderr, &syserr);
assert(vhp != NULL);
assert(vnderr == 0);
assert(syserr == 0);
fd = vnd_pollfd(vhp);
ret = fcntl(fd, F_SETFL, O_NONBLOCK);
assert(ret == 0);
fio = malloc(sizeof (frameio_t) +
sizeof (framevec_t));
assert(fio != NULL);
fio->fio_version = FRAMEIO_CURRENT_VERSION;
fio->fio_nvpf = 1;
fio->fio_nvecs = 1;
fio->fio_vecs[0].fv_buf = buf;
fio->fio_vecs[0].fv_buflen = sizeof (buf);
ret = vnd_frameio_read(vhp, fio);
(void) printf("%d, %d\n", ret, errno);
assert(ret == -1);
assert(errno == EAGAIN);
vnd_close(vhp);
free(fio);
return (0);
}
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