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
46 static int TypesCmd(int ac, char **av);
47
48 const struct ngcmd types_cmd = {
49 TypesCmd,
50 "types",
51 "Show information about all installed node types",
52 NULL,
53 { NULL }
54 };
55
56 static int
TypesCmd(int ac,char ** av __unused)57 TypesCmd(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