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.TH DBIPROXY 1 "2002-10-01" "perl v5.8.0" "User Contributed Perl Documentation"
dbiproxy \- A proxy server for the DBD::Proxy driver
\& dbiproxy <options> --port <port>
This tool is just a front end for the DBI::ProxyServer package. All it
does is picking options from the command line and calling
\&\fIDBI::ProxyServer::main()\fR. See \fIDBI::ProxyServer\fR\|(3) for details.
Available options include:
.IP "\fB\-\-chroot=dir\fR" 4
(\s-1UNIX\s0 only) After doing a \fIbind()\fR, change root directory to the given
directory by doing a \fIchroot()\fR. This is usefull for security, but it
restricts the environment a lot. For example, you need to load \s-1DBI\s0
drivers in the config file or you have to create hard links to Unix
sockets, if your drivers are using them. For example, with MySQL, a
config file might contain the following lines:
\& my $rootdir = '/var/dbiproxy';
\& my $unixsockdir = '/tmp';
\& my $unixsockfile = 'mysql.sock';
\& foreach $dir ($rootdir, "$rootdir$unixsockdir") {
\& link("$unixsockdir/$unixsockfile",
\& "$rootdir$unixsockdir/$unixsockfile");
If you don't know \fIchroot()\fR, think of an \s-1FTP\s0 server where you can see a
certain directory tree only after logging in. See also the \-\-group and
.IP "\fB\-\-configfile=file\fR" 4
.IX Item "--configfile=file"
Config files are assumed to return a single hash ref that overrides the
arguments of the new method. However, command line arguments in turn take
precedence over the config file. See the \*(L"\s-1CONFIGURATION\s0 \s-1FILE\s0\*(R" section
below for details on the config file.
Turn debugging mode on. Mainly this asserts that logging messages of
level \*(L"debug\*(R" are created.
.IP "\fB\-\-facility=mode\fR" 4
.IX Item "--facility=mode"
(\s-1UNIX\s0 only) Facility to use for \*(L"Sys::Syslog (3)\*(R". The default is
.IP "\fB\-\-group=gid\fR" 4
After doing a \fIbind()\fR, change the real and effective \s-1GID\s0 to the given.
This is usefull, if you want your server to bind to a privileged port
(<1024), but don't want the server to execute as root. See also
\&\s-1GID\s0's can be passed as group names or numeric values.
.IP "\fB\-\-localaddr=ip\fR" 4
.IX Item "--localaddr=ip"
By default a daemon is listening to any \s-1IP\s0 number that a machine
has. This attribute allows to restrict the server to the given
.IP "\fB\-\-localport=port\fR" 4
.IX Item "--localport=port"
This attribute sets the port on which the daemon is listening. It
must be given somehow, as there's no default.
.IP "\fB\-\-logfile=file\fR" 4
.IX Item "--logfile=file"
Be default logging messages will be written to the syslog (Unix) or
to the event log (Windows \s-1NT\s0). On other operating systems you need to
specify a log file. The special value \*(L"\s-1STDERR\s0\*(R" forces logging to
stderr. See \fINet::Daemon::Log\fR\|(3) for details.
.IP "\fB\-\-mode=modename\fR" 4
.IX Item "--mode=modename"
The server can run in three different modes, depending on the environment.
If you are running Perl 5.005 and did compile it for threads, then the
server will create a new thread for each connection. The thread will
execute the server's \fIRun()\fR method and then terminate. This mode is the
default, you can force it with \*(L"\-\-mode=threads\*(R".
If threads are not available, but you have a working \fIfork()\fR, then the
server will behave similar by creating a new process for each connection.
This mode will be used automatically in the absence of threads or if
you use the \*(L"\-\-mode=fork\*(R" option.
Finally there's a single-connection mode: If the server has accepted a
connection, he will enter the \fIRun()\fR method. No other connections are
accepted until the \fIRun()\fR method returns (if the client disconnects).
This operation mode is usefull if you have neither threads nor \fIfork()\fR,
for example on the Macintosh. For debugging purposes you can force this
mode with \*(L"\-\-mode=single\*(R".
.IP "\fB\-\-pidfile=file\fR" 4
.IX Item "--pidfile=file"
(\s-1UNIX\s0 only) If this option is present, a \s-1PID\s0 file will be created at the
.IP "\fB\-\-user=uid\fR" 4
After doing a \fIbind()\fR, change the real and effective \s-1UID\s0 to the given.
This is usefull, if you want your server to bind to a privileged port
(<1024), but don't want the server to execute as root. See also
the \-\-group and the \-\-chroot options.
\&\s-1UID\s0's can be passed as group names or numeric values.
.IP "\fB\-\-version\fR" 4
Supresses startup of the server; instead the version string will
be printed and the program exits immediately.
\& Copyright (c) 1997 Jochen Wiedmann
The DBI::ProxyServer module is free software; you can redistribute it
and/or modify it under the same terms as Perl itself. In particular
permission is granted to Tim Bunce for distributing this as a part of
\&\fIDBI::ProxyServer\fR\|(3), \fIDBD::Proxy\fR\|(3), \s-1\fIDBI\s0\fR\|(3)
projects / OpenSPARC-T2-DV / blob