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.\" Copyright (c) 2004 Pawel Jakub Dawidek <pjd@FreeBSD.org>
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
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.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" $FreeBSD: release/9.1.0/sbin/ggate/ggatec/ggatec.8 162395 2006-09-18 11:55:10Z ru $
.\"
.Dd April 26, 2004
.Dt GGATEC 8
.Os
.Sh NAME
.Nm ggatec
.Nd "GEOM Gate network client and control utility"
.Sh SYNOPSIS
.Nm
.Cm create
.Op Fl n
.Op Fl v
.Op Fl o Cm ro | wo | rw
.Op Fl p Ar port
.Op Fl q Ar queue_size
.Op Fl R Ar rcvbuf
.Op Fl S Ar sndbuf
.Op Fl s Ar sectorsize
.Op Fl t Ar timeout
.Op Fl u Ar unit
.Ar host
.Ar path
.Nm
.Cm rescue
.Op Fl n
.Op Fl v
.Op Fl o Cm ro | wo | rw
.Op Fl p Ar port
.Op Fl R Ar rcvbuf
.Op Fl S Ar sndbuf
.Fl u Ar unit
.Ar host
.Ar path
.Nm
.Cm destroy
.Op Fl f
.Fl u Ar unit
.Nm
.Cm list
.Op Fl v
.Op Fl u Ar unit
.Sh DESCRIPTION
The
.Nm
utility is a network client for GEOM Gate class.
It is responsible for creation of
.Nm ggate
devices and forwarding I/O requests between
.Nm geom_gate.ko
kernel module and
.Xr ggated 8
network daemon.
Available commands:
.Bl -tag -width ".Cm destroy"
.It Cm create
Connect to given
.Xr ggated 8
daemon and create a
.Nm ggate
provider related to the given remote file or device.
.It Cm rescue
If
.Nm
process died/has been killed, you can save situation with this
command, which creates new connection to the
.Xr ggated 8
daemon and will handle pending and future requests.
.It Cm destroy
Destroy the given
.Nm ggate
provider.
.It Cm list
List
.Nm ggate
providers.
.El
.Pp
Available options:
.Bl -tag -width ".Fl s Cm ro | wo | rw"
.It Fl f
Forcibly destroy
.Nm ggate
provider (cancels all pending requests).
.It Fl n
Do not use
.Dv TCP_NODELAY
option on TCP sockets.
.It Fl o Cm ro | wo | rw
Specify permission to use when opening the file or device: read-only
.Pq Cm ro ,
write-only
.Pq Cm wo ,
or read-write
.Pq Cm rw .
Default is
.Cm rw .
.It Fl p Ar port
Port to connect to on the remote host.
Default is 3080.
.It Fl q Ar queue_size
Number of pending I/O requests that can be queued before they will
start to be canceled.
Default is 1024.
.It Fl R Ar rcvbuf
Size of receive buffer to use.
Default is 131072 (128kB).
.It Fl S Ar sndbuf
Size of send buffer to use.
Default is 131072 (128kB).
.It Fl s Ar sectorsize
Sector size for
.Nm ggate
provider.
If not specified, it is taken from device, or set to 512 bytes for files.
.It Fl t Ar timeout
Number of seconds to wait before an I/O request will be canceled.
0 means no timeout.
Default is 0.
.It Fl u Ar unit
Unit number to use.
.It Fl v
Do not fork, run in foreground and print debug informations on standard
output.
.It Ar host
Remote host to connect to.
.It Ar path
Path to a regular file or device.
.El
.Sh EXIT STATUS
Exit status is 0 on success, or 1 if the command fails.
To get details about the failure,
.Nm
should be called with the
.Fl v
option.
.Sh EXAMPLES
Make use of CD-ROM device from remote host.
.Bd -literal -offset indent
server# cat /etc/gg.exports
client RO /dev/acd0
server# ggated

client# ggatec create -o ro server /dev/acd0
ggate0
client# mount_cd9660 /dev/ggate0 /cdrom
.Ed
.Sh SEE ALSO
.Xr geom 4 ,
.Xr ggated 8 ,
.Xr ggatel 8 ,
.Xr mount_cd9660 8
.Sh AUTHORS
The
.Nm
utility as well as this manual page was written by
.An Pawel Jakub Dawidek Aq pjd@FreeBSD.org .

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