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