xref: /freebsd/usr.sbin/ngctl/types.c (revision 5773cccf19ef7b97e56c1101aa481c43149224da)
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 "ngctl.h"
41 
42 static int TypesCmd(int ac, char **av);
43 
44 const struct ngcmd types_cmd = {
45 	TypesCmd,
46 	"types",
47 	"Show information about all installed node types",
48 	NULL
49 };
50 
51 static int
52 TypesCmd(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->type_name, ti->numnodes);
87 	}
88 
89 	/* Done */
90 	return (rtn);
91 }
92 
93