1 /* 2 * status.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/status.c,v 1.1 1999/10/21 09:06:09 julian Exp $ 37 * $DragonFly: src/usr.sbin/ngctl/status.c,v 1.4 2005/03/16 05:19:11 joerg Exp $ 38 */ 39 40 #include "ngctl.h" 41 42 #define NOSTATUS "<no status>" 43 44 static int StatusCmd(int ac, const char **av); 45 46 const struct ngcmd status_cmd = { 47 StatusCmd, 48 "status <path>", 49 "Get human readable status information from the node at <path>", 50 NULL, 51 { NULL } 52 }; 53 54 static int 55 StatusCmd(int ac, const char **av) 56 { 57 u_char sbuf[sizeof(struct ng_mesg) + NG_TEXTRESPONSE]; 58 struct ng_mesg *const resp = (struct ng_mesg *) sbuf; 59 char *const status = (char *) resp->data; 60 const char *path; 61 int nostat = 0; 62 63 /* Get arguments */ 64 switch (ac) { 65 case 2: 66 path = av[1]; 67 break; 68 default: 69 return(CMDRTN_USAGE); 70 } 71 72 /* Get node status summary */ 73 if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE, 74 NGM_TEXT_STATUS, NULL, 0) < 0) { 75 switch (errno) { 76 case EINVAL: 77 nostat = 1; 78 break; 79 default: 80 warn("send msg"); 81 return(CMDRTN_ERROR); 82 } 83 } else { 84 if (NgRecvMsg(csock, resp, sizeof(sbuf), NULL) < 0 85 || (resp->header.flags & NGF_RESP) == 0) 86 nostat = 1; 87 } 88 89 /* Show it */ 90 if (nostat) 91 printf("No status available for \"%s\"\n", path); 92 else 93 printf("Status for \"%s\":\n%s\n", path, status); 94 return(CMDRTN_OK); 95 } 96