types.c revision 125115 
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 125115 2004-01-27 21:52:52Z ru $
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};
51
52static int
53TypesCmd(int ac, char **av __unused)
54{
55	struct ng_mesg *resp;
56	struct typelist *tlist;
57	int rtn = CMDRTN_OK;
58	u_int k;
59
60	/* Get arguments */
61	switch (ac) {
62	case 1:
63		break;
64	default:
65		return(CMDRTN_USAGE);
66	}
67
68	/* Get list of types */
69	if (NgSendMsg(csock, ".", NGM_GENERIC_COOKIE,
70	    NGM_LISTTYPES, NULL, 0) < 0) {
71		warn("send msg");
72		return(CMDRTN_ERROR);
73	}
74	if (NgAllocRecvMsg(csock, &resp, NULL) < 0) {
75		warn("recv msg");
76		return(CMDRTN_ERROR);
77	}
78
79	/* Show each type */
80	tlist = (struct typelist *) resp->data;
81	printf("There are %d total types:\n", tlist->numtypes);
82	if (tlist->numtypes > 0) {
83		printf("%15s   Number of living nodes\n", "Type name");
84		printf("%15s   ----------------------\n", "---------");
85	}
86	for (k = 0; k < tlist->numtypes; k++) {
87		struct typeinfo *const ti = &tlist->typeinfo[k];
88		printf("%15s   %5d\n", ti->type_name, ti->numnodes);
89	}
90
91	/* Done */
92	free(resp);
93	return (rtn);
94}
95
96