1.\" Copyright (c) 1996-1999 Whistle Communications, Inc. 2.\" All rights reserved. 3.\" 4.\" Subject to the following obligations and disclaimer of warranty, use and 5.\" redistribution of this software, in source or object code forms, with or 6.\" without modifications are expressly permitted by Whistle Communications; 7.\" provided, however, that: 8.\" 1. Any and all reproductions of the source or object code must include the 9.\" copyright notice above and the following disclaimer of warranties; and 10.\" 2. No rights are granted, in any manner or form, to use Whistle 11.\" Communications, Inc. trademarks, including the mark "WHISTLE 12.\" COMMUNICATIONS" on advertising, endorsements, or otherwise except as 13.\" such appears in the above copyright notice or in the software. 14.\" 15.\" THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND 16.\" TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO 17.\" REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, 18.\" INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF 19.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. 20.\" WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY 21.\" REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS 22.\" SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. 23.\" IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES 24.\" RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING 25.\" WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 26.\" PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR 27.\" SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 28.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30.\" THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 31.\" OF SUCH DAMAGE. 32.\" 33.\" $FreeBSD$ 34.\" $Whistle: ngctl.8,v 1.6 1999/01/20 03:19:44 archie Exp $ 35.\" 36.Dd January 19, 1999 37.Dt NGCTL 8 38.Os 39.Sh NAME 40.Nm ngctl 41.Nd netgraph control utility 42.Sh SYNOPSIS 43.Nm 44.Op Fl d 45.Op Fl f Ar filename 46.Op Fl n Ar nodename 47.Op Ar command ... 48.Sh DESCRIPTION 49The 50.Nm 51utility creates a new netgraph node of type 52.Em socket 53which can be used to issue netgraph commands. 54If no 55.Fl f 56flag is given, no 57command is supplied on the command line, and standard input is a tty, 58.Nm 59will enter interactive mode. 60Otherwise 61.Nm 62will execute the supplied command(s) and exit immediately. 63.Pp 64Nodes can be created, removed, joined together, etc. 65.Tn ASCII 66formatted control messages can be sent to any node if that node 67supports binary/ASCII control message conversion. 68.Pp 69In interactive mode, 70.Nm 71will display any control messages and data packets received by the socket node. 72In the case of control messages, the message arguments are displayed in 73.Tn ASCII 74form if the originating node supports conversion. 75.Pp 76The options are as follows: 77.Bl -tag -width indent 78.It Fl f Ar nodeinfo 79Read commands from the named file. 80A single dash represents the standard input. 81Blank lines and lines starting with a 82.Dq # 83are ignored. 84.It Fl n Ar nodename 85Assign 86.Em nodename 87to the newly created netgraph node. 88The default name is 89.Em ngctlXXX 90where XXX is the process ID number. 91.It Fl d 92Increase the debugging verbosity level. 93.El 94.Sh COMMANDS 95The currently supported commands in 96.Nm 97are: 98.Pp 99.Bd -literal -offset indent -compact 100config get or set configuration of node at <path> 101connect Connects hook <peerhook> of the node at <relpath> to <hook> 102debug Get/set debugging verbosity level 103dot Produce a GraphViz (.dot) of the entire netgraph. 104help Show command summary or get more help on a specific command 105list Show information about all nodes 106mkpeer Create and connect a new node to the node at "path" 107msg Send a netgraph control message to the node at "path" 108name Assign name <name> to the node at <path> 109read Read and execute commands from a file 110rmhook Disconnect hook "hook" of the node at "path" 111show Show information about the node at <path> 112shutdown Shutdown the node at <path> 113status Get human readable status information from the node at <path> 114types Show information about all installed node types 115write Send a data packet down the hook named by "hook". 116quit Exit program 117.Ed 118.Pp 119Some commands have aliases, e.g., 120.Dq ls 121is the same as 122.Dq list . 123The 124.Dq help 125command displays the available 126commands, their usage and aliases, and a brief description. 127.Sh EXIT STATUS 128.Ex -std 129.Sh SEE ALSO 130.Xr netgraph 3 , 131.Xr netgraph 4 , 132.Xr nghook 8 133.Sh HISTORY 134The 135.Nm netgraph 136system was designed and first implemented at Whistle Communications, Inc.\& in 137a version of 138.Fx 2.2 139customized for the Whistle InterJet. 140.Sh AUTHORS 141.An Archie Cobbs Aq Mt archie@whistle.com 142