usr.sbin/ngctl/types.c

   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  * $FreeBSD: src/usr.sbin/ngctl/types.c,v 1.1.4.1 2000/05/05 02:54:16 archie Exp $
  37  * $DragonFly: src/usr.sbin/ngctl/types.c,v 1.4 2005/03/16 05:19:11 joerg Exp $
  38  */
  39
  40 #include "ngctl.h"
  41
  42 static int TypesCmd(int ac, const char **av);
  43
  44 const struct ngcmd types_cmd = {
  45         TypesCmd,
  46         "types",
  47         "Show information about all installed node types",
  48         NULL,
  49         { NULL }
  50 };
  51
  52 static int
  53 TypesCmd(int ac, const char **av __unused)
  54 {
  55         u_char rbuf[16 * 1024];
  56         struct ng_mesg *const resp = (struct ng_mesg *) rbuf;
  57         struct typelist *const tlist = (struct typelist *) resp->data;
  58         int rtn = CMDRTN_OK;
  59         uint32_t k;
  60
  61         /* Get arguments */
  62         switch (ac) {
  63         case 1:
  64                 break;
  65         default:
  66                 return(CMDRTN_USAGE);
  67         }
  68
  69         /* Get list of types */
  70         if (NgSendMsg(csock, ".", NGM_GENERIC_COOKIE,
  71             NGM_LISTTYPES, NULL, 0) < 0) {
  72                 warn("send msg");
  73                 return(CMDRTN_ERROR);
  74         }
  75         if (NgRecvMsg(csock, resp, sizeof(rbuf), NULL) < 0) {
  76                 warn("recv msg");
  77                 return(CMDRTN_ERROR);
  78         }
  79
  80         /* Show each type */
  81         printf("There are %d total types:\n", tlist->numtypes);
  82         if (tlist->numtypes > 0) {
  83                 printf("%15s   Number of living nodes\n", "Type name");
  84                 printf("%15s   ----------------------\n", "---------");
  85         }
  86         for (k = 0; k < tlist->numtypes; k++) {
  87                 struct typeinfo *const ti = &tlist->typeinfo[k];
  88                 printf("%15s   %5d\n", ti->type_name, ti->numnodes);
  89         }
  90
  91         /* Done */
  92         return (rtn);
  93 }