1 .\" Copyright (c) 1996-1999 Whistle Communications, Inc.
2 .\" All rights reserved.
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;
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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.
15 .\" THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
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34 .\" $Whistle: ngctl.8,v 1.6 1999/01/20 03:19:44 archie Exp $
41 .Nd netgraph control utility
51 utility creates a new netgraph node of type
53 which can be used to issue netgraph commands.
57 command is supplied on the command line, and standard input is a tty,
59 will enter interactive mode.
62 will execute the supplied command(s) and exit immediately.
64 Nodes can be created, removed, joined together, etc.
66 formatted control messages can be sent to any node if that node
67 supports binary/ASCII control message conversion.
71 will display any control messages and data packets received by the socket node.
72 In the case of control messages, the message arguments are displayed in
74 form if the originating node supports conversion.
76 The options are as follows:
77 .Bl -tag -width indent
79 Read commands from the named file.
80 A single dash represents the standard input.
81 Blank lines and lines starting with a
87 to the newly created netgraph node.
90 where XXX is the process ID number.
92 Increase the debugging verbosity level.
95 The currently supported commands in
99 .Bd -literal -offset indent -compact
100 config get or set configuration of node at <path>
101 connect Connects hook <peerhook> of the node at <relpath> to <hook>
102 debug Get/set debugging verbosity level
103 dot Produce a GraphViz (.dot) of the entire netgraph.
104 help Show command summary or get more help on a specific command
105 list Show information about all nodes
106 mkpeer Create and connect a new node to the node at "path"
107 msg Send a netgraph control message to the node at "path"
108 name Assign name <name> to the node at <path>
109 read Read and execute commands from a file
110 rmhook Disconnect hook "hook" of the node at "path"
111 show Show information about the node at <path>
112 shutdown Shutdown the node at <path>
113 status Get human readable status information from the node at <path>
114 types Show information about all installed node types
115 write Send a data packet down the hook named by "hook".
119 Some commands have aliases, e.g.,
125 command displays the available
126 commands, their usage and aliases, and a brief description.
136 system was designed and first implemented at Whistle Communications, Inc.\& in
139 customized for the Whistle InterJet.
141 .An Archie Cobbs Aq archie@whistle.com