1*3b2bd0f6Slogwang
2*3b2bd0f6Slogwang /*
3*3b2bd0f6Slogwang * status.c
4*3b2bd0f6Slogwang *
5*3b2bd0f6Slogwang * Copyright (c) 1996-1999 Whistle Communications, Inc.
6*3b2bd0f6Slogwang * All rights reserved.
7*3b2bd0f6Slogwang *
8*3b2bd0f6Slogwang * Subject to the following obligations and disclaimer of warranty, use and
9*3b2bd0f6Slogwang * redistribution of this software, in source or object code forms, with or
10*3b2bd0f6Slogwang * without modifications are expressly permitted by Whistle Communications;
11*3b2bd0f6Slogwang * provided, however, that:
12*3b2bd0f6Slogwang * 1. Any and all reproductions of the source or object code must include the
13*3b2bd0f6Slogwang * copyright notice above and the following disclaimer of warranties; and
14*3b2bd0f6Slogwang * 2. No rights are granted, in any manner or form, to use Whistle
15*3b2bd0f6Slogwang * Communications, Inc. trademarks, including the mark "WHISTLE
16*3b2bd0f6Slogwang * COMMUNICATIONS" on advertising, endorsements, or otherwise except as
17*3b2bd0f6Slogwang * such appears in the above copyright notice or in the software.
18*3b2bd0f6Slogwang *
19*3b2bd0f6Slogwang * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
20*3b2bd0f6Slogwang * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
21*3b2bd0f6Slogwang * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
22*3b2bd0f6Slogwang * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
23*3b2bd0f6Slogwang * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
24*3b2bd0f6Slogwang * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
25*3b2bd0f6Slogwang * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
26*3b2bd0f6Slogwang * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
27*3b2bd0f6Slogwang * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
28*3b2bd0f6Slogwang * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
29*3b2bd0f6Slogwang * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
30*3b2bd0f6Slogwang * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
31*3b2bd0f6Slogwang * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
32*3b2bd0f6Slogwang * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33*3b2bd0f6Slogwang * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34*3b2bd0f6Slogwang * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
35*3b2bd0f6Slogwang * OF SUCH DAMAGE.
36*3b2bd0f6Slogwang *
37*3b2bd0f6Slogwang * $FreeBSD$
38*3b2bd0f6Slogwang */
39*3b2bd0f6Slogwang
40*3b2bd0f6Slogwang #include <err.h>
41*3b2bd0f6Slogwang #include <errno.h>
42*3b2bd0f6Slogwang #include <netgraph.h>
43*3b2bd0f6Slogwang #include <stdio.h>
44*3b2bd0f6Slogwang
45*3b2bd0f6Slogwang #include "ngctl.h"
46*3b2bd0f6Slogwang
47*3b2bd0f6Slogwang #define NOSTATUS "<no status>"
48*3b2bd0f6Slogwang
49*3b2bd0f6Slogwang static int StatusCmd(int ac, char **av);
50*3b2bd0f6Slogwang
51*3b2bd0f6Slogwang const struct ngcmd status_cmd = {
52*3b2bd0f6Slogwang StatusCmd,
53*3b2bd0f6Slogwang "status <path>",
54*3b2bd0f6Slogwang "Get human readable status information from the node at <path>",
55*3b2bd0f6Slogwang NULL,
56*3b2bd0f6Slogwang { NULL }
57*3b2bd0f6Slogwang };
58*3b2bd0f6Slogwang
59*3b2bd0f6Slogwang static int
StatusCmd(int ac,char ** av)60*3b2bd0f6Slogwang StatusCmd(int ac, char **av)
61*3b2bd0f6Slogwang {
62*3b2bd0f6Slogwang u_char sbuf[sizeof(struct ng_mesg) + NG_TEXTRESPONSE];
63*3b2bd0f6Slogwang struct ng_mesg *const resp = (struct ng_mesg *) sbuf;
64*3b2bd0f6Slogwang char *const status = (char *) resp->data;
65*3b2bd0f6Slogwang char *path;
66*3b2bd0f6Slogwang int nostat = 0;
67*3b2bd0f6Slogwang
68*3b2bd0f6Slogwang /* Get arguments */
69*3b2bd0f6Slogwang switch (ac) {
70*3b2bd0f6Slogwang case 2:
71*3b2bd0f6Slogwang path = av[1];
72*3b2bd0f6Slogwang break;
73*3b2bd0f6Slogwang default:
74*3b2bd0f6Slogwang return (CMDRTN_USAGE);
75*3b2bd0f6Slogwang }
76*3b2bd0f6Slogwang
77*3b2bd0f6Slogwang /* Get node status summary */
78*3b2bd0f6Slogwang if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
79*3b2bd0f6Slogwang NGM_TEXT_STATUS, NULL, 0) < 0) {
80*3b2bd0f6Slogwang switch (errno) {
81*3b2bd0f6Slogwang case EINVAL:
82*3b2bd0f6Slogwang nostat = 1;
83*3b2bd0f6Slogwang break;
84*3b2bd0f6Slogwang default:
85*3b2bd0f6Slogwang warn("send msg");
86*3b2bd0f6Slogwang return (CMDRTN_ERROR);
87*3b2bd0f6Slogwang }
88*3b2bd0f6Slogwang } else {
89*3b2bd0f6Slogwang if (NgRecvMsg(csock, resp, sizeof(sbuf), NULL) < 0
90*3b2bd0f6Slogwang || (resp->header.flags & NGF_RESP) == 0)
91*3b2bd0f6Slogwang nostat = 1;
92*3b2bd0f6Slogwang }
93*3b2bd0f6Slogwang
94*3b2bd0f6Slogwang /* Show it */
95*3b2bd0f6Slogwang if (nostat)
96*3b2bd0f6Slogwang printf("No status available for \"%s\"\n", path);
97*3b2bd0f6Slogwang else
98*3b2bd0f6Slogwang printf("Status for \"%s\":\n%s\n", path, status);
99*3b2bd0f6Slogwang return (CMDRTN_OK);
100*3b2bd0f6Slogwang }
101*3b2bd0f6Slogwang
102