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-rw-r--r--usr.sbin/ngctl/list.c146
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+
+/*
+ * 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);
+}
+
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