diff options
Diffstat (limited to 'usr.sbin/ngctl/list.c')
-rw-r--r-- | usr.sbin/ngctl/list.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/usr.sbin/ngctl/list.c b/usr.sbin/ngctl/list.c new file mode 100644 index 0000000..da4174c --- /dev/null +++ b/usr.sbin/ngctl/list.c @@ -0,0 +1,146 @@ + +/* + * list.c + * + * Copyright (c) 1996-1999 Whistle Communications, Inc. + * All rights reserved. + * + * Subject to the following obligations and disclaimer of warranty, use and + * redistribution of this software, in source or object code forms, with or + * without modifications are expressly permitted by Whistle Communications; + * provided, however, that: + * 1. Any and all reproductions of the source or object code must include the + * copyright notice above and the following disclaimer of warranties; and + * 2. No rights are granted, in any manner or form, to use Whistle + * Communications, Inc. trademarks, including the mark "WHISTLE + * COMMUNICATIONS" on advertising, endorsements, or otherwise except as + * such appears in the above copyright notice or in the software. + * + * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND + * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO + * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, + * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. + * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY + * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS + * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. + * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES + * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING + * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <err.h> +#include <netgraph.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include "ngctl.h" + +#define UNNAMED "<unnamed>" + +static int ListCmd(int ac, char **av); + +const struct ngcmd list_cmd = { + ListCmd, + "list [-ln]", + "Show information about all nodes", + "The list command shows information about every node that currently" + " exists in the netgraph system. The optional -n argument limits" + " this list to only those nodes with a global name assignment." + " The optional -l argument provides verbose output that includes" + " hook information as well.", + { "ls" } +}; + +static int +ListCmd(int ac, char **av) +{ + struct ng_mesg *resp; + struct namelist *nlist; + struct nodeinfo *ninfo; + int list_hooks = 0; + int named_only = 0; + int ch, rtn = CMDRTN_OK; + + /* Get options */ + optind = 1; + while ((ch = getopt(ac, av, "ln")) != -1) { + switch (ch) { + case 'l': + list_hooks = 1; + break; + case 'n': + named_only = 1; + break; + case '?': + default: + return (CMDRTN_USAGE); + break; + } + } + ac -= optind; + av += optind; + + /* Get arguments */ + switch (ac) { + case 0: + break; + default: + return (CMDRTN_USAGE); + } + + /* Get list of nodes */ + if (NgSendMsg(csock, ".", NGM_GENERIC_COOKIE, + named_only ? NGM_LISTNAMES : NGM_LISTNODES, NULL, 0) < 0) { + warn("send msg"); + return (CMDRTN_ERROR); + } + if (NgAllocRecvMsg(csock, &resp, NULL) < 0) { + warn("recv msg"); + return (CMDRTN_ERROR); + } + + /* Show each node */ + nlist = (struct namelist *) resp->data; + printf("There are %d total %snodes:\n", + nlist->numnames, named_only ? "named " : ""); + ninfo = nlist->nodeinfo; + if (list_hooks) { + char path[NG_PATHSIZ]; + char *argv[2] = { "show", path }; + + while (nlist->numnames > 0) { + snprintf(path, sizeof(path), + "[%lx]:", (u_long)ninfo->id); + if ((rtn = (*show_cmd.func)(2, argv)) != CMDRTN_OK) + break; + ninfo++; + nlist->numnames--; + } + } else { + while (nlist->numnames > 0) { + if (!*ninfo->name) + snprintf(ninfo->name, sizeof(ninfo->name), + "%s", UNNAMED); + printf(" Name: %-15s Type: %-15s ID: %08x " + "Num hooks: %d\n", + ninfo->name, ninfo->type, ninfo->id, ninfo->hooks); + ninfo++; + nlist->numnames--; + } + } + + /* Done */ + free(resp); + return (rtn); +} + |