Whistle's Netgraph link-layer (sometimes more) networking infrastructure.

Been in production for 3 years now. Gives Instant Frame relay to if_sr
and if_ar drivers, and PPPOE support soon. See:
ftp://ftp.whistle.com/pub/archie/netgraph/index.html
for on-line manual pages.

Reviewed by: Doug Rabson (dfr@freebsd.org)
Obtained from:  Whistle CVS tree

1 files changed, 113 insertions, 0 deletions

diff --git a/usr.sbin/ngctl/list.c b/usr.sbin/ngctl/list.c
new file mode 100644
index 0000000..d763061
--- /dev/null
+++ b/usr.sbin/ngctl/list.c
@@ -0,0 +1,113 @@
+
+/*
+ * 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 "ngctl.h"
+
+static int ListCmd(int ac, char **av);
+
+const struct ngcmd list_cmd = {
+	ListCmd,
+	"list [-n]",
+	"Show information about all nodes",
+	"The list command shows information 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."
+};
+
+static int
+ListCmd(int ac, char **av)
+{
+	u_char rbuf[16 * 1024];
+	struct ng_mesg *const resp = (struct ng_mesg *) rbuf;
+	struct namelist *const nlist = (struct namelist *) resp->data;
+	int named_only = 0;
+	int k, ch, rtn = CMDRTN_OK;
+
+	/* Get options */
+	optind = 1;
+	while ((ch = getopt(ac, av, "n")) != EOF) {
+		switch (ch) {
+		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 (NgRecvMsg(csock, resp, sizeof(rbuf), NULL) < 0) {
+		warn("recv msg");
+		return(CMDRTN_ERROR);
+	}
+
+	/* Show each node */
+	printf("There are %d total %snodes:\n",
+	    nlist->numnames, named_only ? "named " : "");
+	for (k = 0; k < nlist->numnames; k++) {
+		char	path[NG_PATHLEN+1];
+		char	*av[3] = { "list", "-n", path };
+
+		snprintf(path, sizeof(path),
+		    "[%lx]:", (u_long) nlist->nodeinfo[k].id);
+		if ((rtn = (*show_cmd.func)(3, av)) != CMDRTN_OK)
+			break;
+	}
+
+	/* Done */
+	return (rtn);
+}
+