types.c revision 52419 
1
2/*
3 * types.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: head/usr.sbin/ngctl/types.c 52419 1999-10-21 09:06:11Z julian $
38 */
39
40#include "ngctl.h"
41
42static int TypesCmd(int ac, char **av);
43
44const struct ngcmd types_cmd = {
45	TypesCmd,
46	"types",
47	"Show information about all installed node types",
48	NULL
49};
50
51static int
52TypesCmd(int ac, char **av)
53{
54	u_char rbuf[16 * 1024];
55	struct ng_mesg *const resp = (struct ng_mesg *) rbuf;
56	struct typelist *const tlist = (struct typelist *) resp->data;
57	int k, rtn = CMDRTN_OK;
58
59	/* Get arguments */
60	switch (ac) {
61	case 1:
62		break;
63	default:
64		return(CMDRTN_USAGE);
65	}
66
67	/* Get list of types */
68	if (NgSendMsg(csock, ".", NGM_GENERIC_COOKIE,
69	    NGM_LISTTYPES, NULL, 0) < 0) {
70		warn("send msg");
71		return(CMDRTN_ERROR);
72	}
73	if (NgRecvMsg(csock, resp, sizeof(rbuf), NULL) < 0) {
74		warn("recv msg");
75		return(CMDRTN_ERROR);
76	}
77
78	/* Show each type */
79	printf("There are %d total types:\n", tlist->numtypes);
80	if (tlist->numtypes > 0) {
81		printf("%15s   Number of living nodes\n", "Type name");
82		printf("%15s   ----------------------\n", "---------");
83	}
84	for (k = 0; k < tlist->numtypes; k++) {
85		struct typeinfo *const ti = &tlist->typeinfo[k];
86		printf("%15s   %5d\n", ti->typename, ti->numnodes);
87	}
88
89	/* Done */
90	return (rtn);
91}
92
93