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 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