Umlmgr - Perl extension for blah blah blah

umlmgr documentation Contained in the umlmgr distribution.

Index

Code Index:

NAME

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Umlmgr - Perl extension for blah blah blah

SYNOPSIS

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  use Umlmgr;
  blah blah blah

DESCRIPTION

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Stub documentation for Umlmgr, created by h2xs. It looks like the author of the extension was negligent enough to leave the stub unedited.

Blah blah blah.

EXPORT

None by default.

SEE ALSO

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Mention other useful documentation such as the documentation of related modules or operating system documentation (such as man pages in UNIX), or any relevant external documentation such as RFCs or standards.

If you have a mailing list set up for your module, mention it here.

If you have a web site set up for your module, mention it here.

AUTHOR

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Olivier Thauvin, <nanardon@localdomain>

COPYRIGHT AND LICENSE

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Copyright (C) 2008 by Olivier Thauvin

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.10.0 or, at your option, any later version of Perl 5 you may have available.

umlmgr documentation Contained in the umlmgr distribution. 
package Umlmgr;

use 5.010000;
use strict;
use warnings;
use base qw(Config::IniFiles);
use Umlmgr::Uml;
use Sys::Syslog;
use IPC::Open3;

our $VERSION = '0.10';

sub new {
    my ($class, %options) = @_;

    my ($config) = grep {
        $_
    } ($options{config} || ($> != 0 ? "$ENV{HOME}/.umlmgr/config" : '/etc/umlmgr.cfg'));
    my $self;
    eval {
    $self = $class->SUPER::new(
        (-f $config ? (-file => $config) : ()),
    );
    };

    $self or return;
    bless($self, $class);
}

sub machinesdir {
    my ($self) = @_;
    $self->val('machines', 'dir', "$ENV{HOME}/.umlmgr/");
}

sub list_machines_config {
    my ($self) = @_;
    if (opendir(my $dh, $self->machinesdir)) {
        my @list;
        while(my $f = readdir($dh)) {
            $f =~ /(.+)\.uml$/ or next;
            push(@list, $1);
        }
        closedir($dh);
        return(@list);
    } else {}
}

sub get_machine {
    my ($self, $name) = @_;
    return Umlmgr::Uml->new(
        $self->machinesdir . "/$name.uml",
        user => $self->val('env', 'user'),
    );
}

sub setup_network {
    my ($self) = @_;

    if ($> == 0 && ! $self->val('env', 'user')) {
        warn "No user defined, running vm as root is a bad idea\n";
        return;
    }

    Sys::Syslog::openlog('umlmgr', 'pid', 'daemon');
    if (my $tap = $self->val('network', 'tap')) {
        my $id = $self->val('env', 'user')
            ? Umlmgr::Utils::get_id($self->val('env', 'user'))
            : undef;
        system(
            'tunctl',
            ($id ? ('-u', $id) : ()),
            '-t', $tap
        );
    }
    if ($self->val('network', 'switch')) {
        my $pid = fork;
        return if(!defined $pid);
        if ($pid) {
        } else {
            Umlmgr::Utils::become_user($self->val('env', 'user'))
                if ($self->val('env', 'user'));
            close(STDIN);
            #close(STDOUT);
            exec(join(' ', map { quotemeta($_) }
                ('uml_switch',
                ($self->val('network', 'hub') ? ('-hub') : ()),
                ($self->val('network', 'tap')
                    ? ('-tap', $self->val('network', 'tap'))
                    : ()),
                )) . ' < /dev/null > /dev/null'
            );
            exit(0);
        }
    }
}

sub start {
    my ($self) = @_;
    foreach my $m ($self->list_machines_config) {
        my $ma = $self->get_machine($m);
        $ma->onboot or next;
        $ma->status and next;
        $ma->start;
    }
}

sub stop {
    my ($self) = @_;
    foreach my $m ($self->list_machines_config) {
        my $ma = $self->get_machine($m);
        $ma->stop;
    }
}

# Preloaded methods go here.

# Autoload methods go after =cut, and are processed by the autosplit program.

1;
__END__
# Below is stub documentation for your module. You'd better edit it!