1 /*
2 * types.c
3 *
4 * Copyright (c) 1996-1999 Whistle Communications, Inc.
5 * All rights reserved.
6 *
7 * Subject to the following obligations and disclaimer of warranty, use and
8 * redistribution of this software, in source or object code forms, with or
9 * without modifications are expressly permitted by Whistle Communications;
10 * provided, however, that:
11 * 1. Any and all reproductions of the source or object code must include the
12 * copyright notice above and the following disclaimer of warranties; and
13 * 2. No rights are granted, in any manner or form, to use Whistle
14 * Communications, Inc. trademarks, including the mark "WHISTLE
15 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as
16 * such appears in the above copyright notice or in the software.
17 *
18 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
19 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
20 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
21 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
23 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
24 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
25 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
26 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
27 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
28 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
29 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
34 * OF SUCH DAMAGE.
35 */
36
37 #include <err.h>
38 #include <netgraph.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <unistd.h>
42
43 #include "ngctl.h"
44
45 static int TypesCmd(int ac, char **av);
46
47 const struct ngcmd types_cmd = {
48 TypesCmd,
49 "types",
50 "Show information about all installed node types",
51 NULL,
52 { NULL }
53 };
54
55 static int
TypesCmd(int ac,char ** av __unused)56 TypesCmd(int ac, char **av __unused)
57 {
58 struct ng_mesg *resp;
59 struct typelist *tlist;
60 int rtn = CMDRTN_OK;
61 u_int k;
62
63 /* Get arguments */
64 switch (ac) {
65 case 1:
66 break;
67 default:
68 return (CMDRTN_USAGE);
69 }
70
71 /* Get list of types */
72 if (NgSendMsg(csock, ".", NGM_GENERIC_COOKIE,
73 NGM_LISTTYPES, NULL, 0) < 0) {
74 warn("send msg");
75 return (CMDRTN_ERROR);
76 }
77 if (NgAllocRecvMsg(csock, &resp, NULL) < 0) {
78 warn("recv msg");
79 return (CMDRTN_ERROR);
80 }
81
82 /* Show each type */
83 tlist = (struct typelist *) resp->data;
84 printf("There are %d total types:\n", tlist->numtypes);
85 if (tlist->numtypes > 0) {
86 printf("%15s Number of living nodes\n", "Type name");
87 printf("%15s ----------------------\n", "---------");
88 }
89 for (k = 0; k < tlist->numtypes; k++) {
90 struct typeinfo *const ti = &tlist->typeinfo[k];
91 printf("%15s %5d\n", ti->type_name, ti->numnodes);
92 }
93
94 /* Done */
95 free(resp);
96 return (rtn);
97 }
98