freebsd-src/usr.sbin/ngctl/status.c
Stefan Farfeleder c3759b3a3f Don't use empty braces ("{}") to initialise arrays. This is a syntax
error in ISO C (both 90 and 99).
2006-07-17 08:35:47 +00:00

102 lines
3.1 KiB
C

/*
* status.c
*
* Copyright (c) 1996-1999 Whistle Communications, Inc.
* All rights reserved.
*
* Subject to the following obligations and disclaimer of warranty, use and
* redistribution of this software, in source or object code forms, with or
* without modifications are expressly permitted by Whistle Communications;
* provided, however, that:
* 1. Any and all reproductions of the source or object code must include the
* copyright notice above and the following disclaimer of warranties; and
* 2. No rights are granted, in any manner or form, to use Whistle
* Communications, Inc. trademarks, including the mark "WHISTLE
* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
* such appears in the above copyright notice or in the software.
*
* THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <err.h>
#include <errno.h>
#include <netgraph.h>
#include <stdio.h>
#include "ngctl.h"
#define NOSTATUS "<no status>"
static int StatusCmd(int ac, char **av);
const struct ngcmd status_cmd = {
StatusCmd,
"status <path>",
"Get human readable status information from the node at <path>",
NULL,
{ NULL }
};
static int
StatusCmd(int ac, char **av)
{
u_char sbuf[sizeof(struct ng_mesg) + NG_TEXTRESPONSE];
struct ng_mesg *const resp = (struct ng_mesg *) sbuf;
char *const status = (char *) resp->data;
char *path;
int nostat = 0;
/* Get arguments */
switch (ac) {
case 2:
path = av[1];
break;
default:
return (CMDRTN_USAGE);
}
/* Get node status summary */
if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
NGM_TEXT_STATUS, NULL, 0) < 0) {
switch (errno) {
case EINVAL:
nostat = 1;
break;
default:
warn("send msg");
return (CMDRTN_ERROR);
}
} else {
if (NgRecvMsg(csock, resp, sizeof(sbuf), NULL) < 0
|| (resp->header.flags & NGF_RESP) == 0)
nostat = 1;
}
/* Show it */
if (nostat)
printf("No status available for \"%s\"\n", path);
else
printf("Status for \"%s\":\n%s\n", path, status);
return (CMDRTN_OK);
}