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 * $FreeBSD$
38 */
39
40#include <err.h>
41#include <netgraph.h>
42#include <stdio.h>
43#include <stdlib.h>
44#include <unistd.h>
45
46#include "ngctl.h"
47
48static int TypesCmd(int ac, char **av);
49
50const struct ngcmd types_cmd = {
51	TypesCmd,
52	"types",
53	"Show information about all installed node types",
54	NULL,
55	{ NULL }
56};
57
58static int
59TypesCmd(int ac, char **av __unused)
60{
61	struct ng_mesg *resp;
62	struct typelist *tlist;
63	int rtn = CMDRTN_OK;
64	u_int k;
65
66	/* Get arguments */
67	switch (ac) {
68	case 1:
69		break;
70	default:
71		return (CMDRTN_USAGE);
72	}
73
74	/* Get list of types */
75	if (NgSendMsg(csock, ".", NGM_GENERIC_COOKIE,
76	    NGM_LISTTYPES, NULL, 0) < 0) {
77		warn("send msg");
78		return (CMDRTN_ERROR);
79	}
80	if (NgAllocRecvMsg(csock, &resp, NULL) < 0) {
81		warn("recv msg");
82		return (CMDRTN_ERROR);
83	}
84
85	/* Show each type */
86	tlist = (struct typelist *) resp->data;
87	printf("There are %d total types:\n", tlist->numtypes);
88	if (tlist->numtypes > 0) {
89		printf("%15s   Number of living nodes\n", "Type name");
90		printf("%15s   ----------------------\n", "---------");
91	}
92	for (k = 0; k < tlist->numtypes; k++) {
93		struct typeinfo *const ti = &tlist->typeinfo[k];
94		printf("%15s   %5d\n", ti->type_name, ti->numnodes);
95	}
96
97	/* Done */
98	free(resp);
99	return (rtn);
100}
101
102