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 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