xref: /freebsd/usr.sbin/ngctl/types.c (revision fed1ca4b719c56c930f2259d80663cd34be812bb)
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 
48 static int TypesCmd(int ac, char **av);
49 
50 const struct ngcmd types_cmd = {
51 	TypesCmd,
52 	"types",
53 	"Show information about all installed node types",
54 	NULL,
55 	{ NULL }
56 };
57 
58 static int
59 TypesCmd(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