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 {} 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