1 2 /* 3 * show.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 "ngctl.h" 41 42 #define FMT " %-15s %-15s %-12s %-15s %-15s\n" 43 #define UNNAMED "<unnamed>" 44 #define NOSTATUS "<no status>" 45 46 static int ShowCmd(int ac, char **av); 47 48 const struct ngcmd show_cmd = { 49 ShowCmd, 50 "show [-n] <path>", 51 "Show information about the node at <path>", 52 "If the -n flag is given, hooks are not listed.", 53 { "inquire", "info" } 54 }; 55 56 static int 57 ShowCmd(int ac, char **av) 58 { 59 char *path; 60 struct ng_mesg *resp; 61 struct hooklist *hlist; 62 struct nodeinfo *ninfo; 63 int ch, no_hooks = 0; 64 65 /* Get options */ 66 optind = 1; 67 while ((ch = getopt(ac, av, "n")) != EOF) { 68 switch (ch) { 69 case 'n': 70 no_hooks = 1; 71 break; 72 case '?': 73 default: 74 return(CMDRTN_USAGE); 75 break; 76 } 77 } 78 ac -= optind; 79 av += optind; 80 81 /* Get arguments */ 82 switch (ac) { 83 case 1: 84 path = av[0]; 85 break; 86 default: 87 return(CMDRTN_USAGE); 88 } 89 90 /* Get node info and hook list */ 91 if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE, 92 NGM_LISTHOOKS, NULL, 0) < 0) { 93 warn("send msg"); 94 return(CMDRTN_ERROR); 95 } 96 if (NgAllocRecvMsg(csock, &resp, NULL) < 0) { 97 warn("recv msg"); 98 return(CMDRTN_ERROR); 99 } 100 101 /* Show node information */ 102 hlist = (struct hooklist *) resp->data; 103 ninfo = &hlist->nodeinfo; 104 if (!*ninfo->name) 105 snprintf(ninfo->name, sizeof(ninfo->name), "%s", UNNAMED); 106 printf(" Name: %-15s Type: %-15s ID: %08x Num hooks: %d\n", 107 ninfo->name, ninfo->type, ninfo->id, ninfo->hooks); 108 if (!no_hooks && ninfo->hooks > 0) { 109 u_int k; 110 111 printf(FMT, "Local hook", "Peer name", 112 "Peer type", "Peer ID", "Peer hook"); 113 printf(FMT, "----------", "---------", 114 "---------", "-------", "---------"); 115 for (k = 0; k < ninfo->hooks; k++) { 116 struct linkinfo *const link = &hlist->link[k]; 117 struct nodeinfo *const peer = &hlist->link[k].nodeinfo; 118 char idbuf[20]; 119 120 if (!*peer->name) { 121 snprintf(peer->name, sizeof(peer->name), 122 "%s", UNNAMED); 123 } 124 snprintf(idbuf, sizeof(idbuf), "%08x", peer->id); 125 printf(FMT, link->ourhook, peer->name, 126 peer->type, idbuf, link->peerhook); 127 } 128 } 129 free(resp); 130 return(CMDRTN_OK); 131 } 132 133 134