xref: /dragonfly/usr.sbin/ngctl/status.c (revision 984263bc)
1 
2 /*
3  * status.c
4  *
5  * Copyright (c) 1996-1999 Whistle Communications, Inc.
6  * All rights reserved.
7  *
8  * Subject to the following obligations and disclaimer of warranty, use and
9  * redistribution of this software, in source or object code forms, with or
10  * without modifications are expressly permitted by Whistle Communications;
11  * provided, however, that:
12  * 1. Any and all reproductions of the source or object code must include the
13  *    copyright notice above and the following disclaimer of warranties; and
14  * 2. No rights are granted, in any manner or form, to use Whistle
15  *    Communications, Inc. trademarks, including the mark "WHISTLE
16  *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
17  *    such appears in the above copyright notice or in the software.
18  *
19  * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
20  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
21  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
22  * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
23  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
24  * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
25  * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
26  * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
27  * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
28  * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
29  * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
30  * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
31  * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
32  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34  * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
35  * OF SUCH DAMAGE.
36  *
37  * $FreeBSD: src/usr.sbin/ngctl/status.c,v 1.1 1999/10/21 09:06:09 julian Exp $
38  */
39 
40 #include "ngctl.h"
41 
42 #define NOSTATUS	"<no status>"
43 
44 static int StatusCmd(int ac, char **av);
45 
46 const struct ngcmd status_cmd = {
47 	StatusCmd,
48 	"status <path>",
49 	"Get human readable status information from the node at <path>",
50 	NULL
51 };
52 
53 static int
54 StatusCmd(int ac, char **av)
55 {
56 	u_char sbuf[sizeof(struct ng_mesg) + NG_TEXTRESPONSE];
57 	struct ng_mesg *const resp = (struct ng_mesg *) sbuf;
58 	char *const status = (char *) resp->data;
59 	char *path;
60 	int nostat = 0;
61 
62 	/* Get arguments */
63 	switch (ac) {
64 	case 2:
65 		path = av[1];
66 		break;
67 	default:
68 		return(CMDRTN_USAGE);
69 	}
70 
71 	/* Get node status summary */
72 	if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
73 	    NGM_TEXT_STATUS, NULL, 0) < 0) {
74 		switch (errno) {
75 		case EINVAL:
76 			nostat = 1;
77 			break;
78 		default:
79 			warn("send msg");
80 			return(CMDRTN_ERROR);
81 		}
82 	} else {
83 		if (NgRecvMsg(csock, resp, sizeof(sbuf), NULL) < 0
84 		    || (resp->header.flags & NGF_RESP) == 0)
85 			nostat = 1;
86 	}
87 
88 	/* Show it */
89 	if (nostat)
90 		printf("No status available for \"%s\"\n", path);
91 	else
92 		printf("Status for \"%s\":\n%s\n", path, status);
93 	return(CMDRTN_OK);
94 }
95 
96