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