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<refentry id="Xprt">
<refmeta>
<refentrytitle>Xprt</refentrytitle>
<manvolnum>__appmansuffix__</manvolnum>
</refmeta>
<refnamediv>
<refname>Xprt</refname>
<refpurpose>Print server for X Version 11</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>Xprt</command>
<arg><option>-ac</option></arg>
<arg><option>-audit <replaceable>level</replaceable></option></arg>
<arg><option>-pn</option></arg>
<arg><option>-fp <replaceable>fontpath</replaceable></option></arg>
<arg><option>-XpFile <replaceable>file</replaceable></option></arg>
<arg><option>-XpSpoolerType <replaceable>spoolername</replaceable></option></arg>
<arg><option>:<replaceable>display</replaceable></option></arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>DESCRIPTION</title>
<para><command>Xprt</command> is the Xprint print server
for version 11 of the X Window system for non display devices
such as printers and fax machines.</para>
<para>Xprint is an advanced printing system which enables X11
applications to use devices like printers, FAX or create
documents in formats like PostScript, PCL or PDF. It may be used by
clients such as <application>mozilla</application>.
</para>
<para>Xprint is a very flexible, extensible, scalable, client/server
print system based on ISO 10175 (and some other specs) and the X11
rendering protocol.
Using Xprint an application can search, query and use devices like
printers, FAX machines or create documents in formats like PDF.
In particular, an application can seek a printer, query supported
attributes (like paper size, trays, fonts etc.), configure the printer
device to match it's needs and print on it like on any other X device
reusing parts of the code which is used for the video card Xserver.
</para>
</refsect1>
<refsect1>
<title>USAGE</title>
<para>
Although Xprt may be invoked from the command line, it is
preferable to run it as a daemon via the init script
<filename>/etc/init.d/xprint</filename> (where this script exists).
</para>
<para>Client programs such as mozilla will require environment
variable <envar>${XPSERVERLIST}</envar> to be set, identifying the
"display" on which Xprt is running. This variable may be set
for all users via <filename>/etc/profile</filename> (or similar), using
<userinput>/etc/init.d/xprint get_xpserverlist</userinput>:
<informalexample>
<programlisting>export XPSERVERLIST=`/etc/init.d/xprint get_xpserverlist`</programlisting>
</informalexample>
</para>
</refsect1>
<refsect1>
<title>OPTIONS</title>
<para>Many of Xprt's command line options are shared in common
with the usual X servers (see <citerefentry><refentrytitle>Xserver</refentrytitle><manvolnum>__appmansuffix__</manvolnum></citerefentry>).
Commonly used options include:</para>
<variablelist>
<varlistentry>
<term><option>:<replaceable>display</replaceable></option>
</term>
<listitem>
<para> The X server runs on the given display. If multiple X
servers are to run simultaneously on a host, each must
have a unique display number. Note that the standard X
server (for video displays) typically runs on display
:0. If <filename>/etc/init.d/xprint</filename> is used
to invoke Xprt, it may be configured to automatically assign an available
display number.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-ac</option>
</term>
<listitem>
<para>disables host-based access control mechanisms. Enables access
by any host, and permits any host to modify the access control
list. Use with extreme caution. This option exists primarily
for running test suites remotely.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-audit <replaceable>level</replaceable></option>
</term>
<listitem>
<para>sets the audit trail level. The default level is 1, meaning
only connection rejections are reported. Level 2 additionally
reports all successful connections and disconnects. Level 4
enables messages from the SECURITY extension, if present,
including generation and revocation of authorizations and
violations of the security policy. Level 0 turns off the audit
trail. Audit lines are sent as standard error output.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-fp <replaceable>fontpath</replaceable></option>
</term>
<listitem>
<para>sets the search path for fonts. This path is a comma
separated list of directories which Xprt searches for
font databases.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-pn</option>
</term>
<listitem>
<para>permits the server to continue running if it fails to
establish all of its well-known sockets (connection
points for clients), but establishes at least
one.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-XpFile <replaceable>file</replaceable></option>
</term>
<listitem>
<para>Sets an alternate Xprinters file (see section FILES).</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-XpSpoolerType <replaceable>spoolername</replaceable></option>
</term>
<listitem>
<para>
Defines the spooler system to be used for print job spooling.
Supported values in xprint.mozdev.org release 009 are:
<simplelist type="vert">
<member>aix</member>
<member>aix4</member>
<member>bsd</member>
<member>osf</member>
<member>solaris</member>
<member>sysv</member>
<member>uxp</member>
<member>cups</member>
<member>lprng</member>
<member>other</member>
<member>none</member>
</simplelist>
(multiple values can be specified, separated by ':', the first active spooler will be chosen).
The default value is platform-specific and can be obtained via
<programlisting>Xprt -h</programlisting>.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>ENVIRONMENT</title>
<para>
The following environment variables are recognized by the X print server
(environment variables recognized by Xprint clients are described in
<citerefentry><refentrytitle>Xprint</refentrytitle><manvolnum>__miscmansuffix__</manvolnum></citerefentry>):
<variablelist>
<varlistentry>
<term><envar>${XPCONFIGDIR}</envar></term>
<listitem>
<para> This environment variable points to the root
of the Xprint server configuration directory hierarchy.
If the variable is not defined, the default
path is be assumed. The default path may be
<filename>/usr/X11R6/lib/X11/xserver/</filename>,
<filename>/usr/lib/X11/xserver/</filename>,
<filename>/usr/share/Xprint/xserver/</filename> or
<filename>/usr/openwin/server/etc/XpConfig</filename>, depending on the
system, and may be configured in <filename>/etc/init.d/xprint</filename>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><envar>${LANG}</envar></term>
<listitem>
<para>
This environment variable selects the locale settings used by the Xprint server.
Xprt allows language-specific settings (stored in <filename>${XPCONFIGDIR}/${LANG}/print/</filename>)
which will override the default settings (stored in <filename>${XPCONFIGDIR}/C/print/</filename>).
If <envar>${LANG}</envar> is not set "C" is assumed.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1>
<title>FILES</title>
<variablelist>
<varlistentry>
<term><filename>${XPCONFIGDIR}/${LANG}/print/Xprinters</filename></term>
<term><filename>${XPCONFIGDIR}/C/print/Xprinters</filename></term>
<listitem>
<para>
`Xprinters' is the top most configuration file. It tells
Xprt which specific printer names (e.g. mylaser) should
be supported, and whether <citerefentry><refentrytitle>lpstat</refentrytitle><manvolnum>1</manvolnum></citerefentry> or other commands
should be used to automatically supplement the list of
printers.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>${XPCONFIGDIR}/${LANG}/print/attributes/printer</filename></term>
<term><filename>${XPCONFIGDIR}/C/print/attributes/printer</filename></term>
<listitem>
<para>
The `printer' file maps printer names to model
configurations (see `model-config' below). For example,
"mylaser" could be mapped to a "HPDJ1600C", and all other
arbitrary printers could be mapped to a default, such as
"HPLJ4SI". When depending on <citerefentry><refentrytitle>lpstat</refentrytitle><manvolnum>1</manvolnum></citerefentry> in the Xprinters
file, setting up defaults in `printer' becomes all the
more important.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>${XPCONFIGDIR}/${LANG}/print/attributes/document</filename></term>
<term><filename>${XPCONFIGDIR}/C/print/attributes/document</filename></term>
<listitem>
<para>
The `document' file specifies the initial document values
for any print jobs. For example, which paper tray to
use, what default resolution, etc.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>${XPCONFIGDIR}/${LANG}/print/attributes/job</filename></term>
<term><filename>${XPCONFIGDIR}/C/print/attributes/job</filename></term>
<listitem>
<para>
The `job' file specifies the initial job values for any
print jobs. For example, "notification-profile" can be
set so that when a print job is successfully sent to a
printer, e-mail is sent to the user.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>${XPCONFIGDIR}/C/print/models/PSdefault/model-config</filename></term>
<term><filename>${XPCONFIGDIR}/C/print/models/PSdefault/fonts/fonts.dir</filename></term>
<term><filename>${XPCONFIGDIR}/C/print/models/PSdefault/fonts/9nb00051.pmf</filename></term>
<term><filename>${XPCONFIGDIR}/C/print/models/PSdefault/fonts/9nb00093.pmf</filename></term>
<listitem>
<para>
The `model-config' file has attributes that describe the
printer model's capabilities and default settings.
Printer model fonts may also be present. The model-config
file also identifies the print ddx driver to be used.
For each printer model supported, a complete hierarchy of
files should exist. In most cases, these files do not
need to be modified.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>${XPCONFIGDIR}/C/print/ddx-config/raster/pdf</filename></term>
<term><filename>${XPCONFIGDIR}/C/print/ddx-config/raster/pcl</filename></term>
<term><filename>${XPCONFIGDIR}/C/print/ddx-config/raster/postscript</filename></term>
<listitem>
<para>
The print ddx drivers can have highly specific
configuration files to control their behavior. In most
cases, these files do not need to be modified.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>SEE ALSO</title>
<para>
<simplelist type="inline">
<!-- specific references -->
<!-- none -->
<!-- Xprint general references -->
<member><citerefentry><refentrytitle>Xprint</refentrytitle><manvolnum>__miscmansuffix__</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>X11</refentrytitle><manvolnum>__miscmansuffix__</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>xplsprinters</refentrytitle><manvolnum>__appmansuffix__</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>xprehashprinterlist</refentrytitle><manvolnum>__appmansuffix__</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>xphelloworld</refentrytitle><manvolnum>__appmansuffix__</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>xpxmhelloworld</refentrytitle><manvolnum>__appmansuffix__</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>xpawhelloworld</refentrytitle><manvolnum>__appmansuffix__</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>xpxthelloworld</refentrytitle><manvolnum>__appmansuffix__</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>xpsimplehelloworld</refentrytitle><manvolnum>__appmansuffix__</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>Xserver</refentrytitle><manvolnum>__appmansuffix__</manvolnum></citerefentry></member>
<!--
<member><citerefentry><refentrytitle>Xprt</refentrytitle><manvolnum>__appmansuffix__</manvolnum></citerefentry></member>
-->
<!-- ToDO: Add manual pages for the single Xprint DDX implementations (PostScript/PDF/PCL/PCL-MONO/Raster/etc.) -->
<member><citerefentry><refentrytitle>libXp</refentrytitle><manvolnum>__libmansuffix__</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>libXprintUtils</refentrytitle><manvolnum>__libmansuffix__</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>libXprintAppUtils</refentrytitle><manvolnum>__libmansuffix__</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>XmPrintShell</refentrytitle><manvolnum>__libmansuffix__</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>XawPrintShell</refentrytitle><manvolnum>__libmansuffix__</manvolnum></citerefentry></member>
<member>Xprint FAQ (<ulink url="http://xprint.mozdev.org/docs/Xprint_FAQ.html">http://xprint.mozdev.org/docs/Xprint_FAQ.html</ulink>)</member>
<member>Xprint main site (<ulink url="http://xprint.mozdev.org/">http://xprint.mozdev.org/</ulink>)</member>
</simplelist>
</para>
</refsect1>
<refsect1>
<title>AUTHORS</title>
<para>
This manual page was written by
Drew Parsons <email>[email protected]</email> and
Roland Mainz <email>[email protected]</email>,
with some help from the man page at
<ulink url="http://www.sins.com.au/unix/manpages/Xprt.html">http://www.sins.com.au/unix/manpages/Xprt.html</ulink> and the XFree86
man page for <citerefentry><refentrytitle>Xserver</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
</para>
</refsect1>
</refentry>
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