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|
################################################################################
# _____ _
# |_ _| |_ ___
# | | | ' \/ -_)
# |_| |_||_\___|
# _ _ ____ _ _
# / \ _ __ ___| |_(_) ___ __ _ | _ \ _ __ ___ (_) ___ ___| |_
# / _ \ | '__/ __| __| |/ __/ _` | | |_) | '__/ _ \| |/ _ \/ __| __|
# / ___ \| | | (__| |_| | (_| (_| | | __/| | | (_) | | __/ (__| |_
# /_/ \_\_| \___|\__|_|\___\__,_| |_| |_| \___// |\___|\___|\__|
# |__/
# The Arctica Modular Remote Computing Framework
#
################################################################################
#
# Copyright (C) 2015-2016 The Arctica Project
# http://http://arctica-project.org/
#
# This code is dual licensed: strictly GPL-2 or AGPL-3+
#
# GPL-2
# -----
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.,
#
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
#
# AGPL-3+
# -------
# This programm is free software; you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This programm is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Copyright (C) 2015-2016 Guangzhou Nianguan Electronics Technology Co.Ltd.
# <opensource@gznianguan.com>
# Copyright (C) 2015-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
#
################################################################################
package Arctica::Services::Graphics::NX3::Server;
use strict;
use Arctica::Core::eventInit qw( genARandom BugOUT );
use Arctica::Core::ManageDirs qw( create_new_adir );
use Arctica::Core::Mother::Forker;
sub new {
BugOUT(9,"NX3::Server new->ENTER");
my $class_name = $_[0];# Be EXPLICIT!! DON'T SHIFT OR "@_";
my $arctica_core_object = $_[1];
my $the_tmpdir = $arctica_core_object->{'a_dirs'}{'tmp_adir'};
my $dev_conf = $_[2];
# sanitize parameters (or fail)
# display: X11 display address (e.g. ":1", "localhost-ipv6:50", etc.)
my $display = $dev_conf->{'display'};
# FIXME: check provided value
# bind_address: hostname, IPv6 address, IPv4 address, path to Unix file socket, special keyword "local"
my $bind_address = $dev_conf->{'bind_address'};
# FIXME: check provided value
# bind_port: positive integer between 1025 and 60000
my $bind_port = $dev_conf->{'bind_port'};
# FIXME: check provided value
# disabled_extensions: list of extensions that shall be disabled at NXv3 agent startup
my $disabled_extensions = $dev_conf->{'disabled_extensions'};
# FIXME: check provided value list
# extra_options: list of additional NXv3 agent command line options
my $extra_options = $dev_conf->{'extra_options'};
# FIXME: check provided value list
# instantiate the NXv3 agent forker
my $forking_child = Arctica::Core::Mother::Forker->new($arctica_core_object, {
child_name => 'nxagent',
fork_style => 'interactive_pty',
# handle_stdout => \&my_stdout_handler,
handle_stderr => \&stderr2BugOUT_handler,
# handle_death => \&my_death_handler,
return_stdin => 0,
exec_hold => 1,
env_strict => 1,
env_pass => {
'ARCTICA' => 1,
'DISPLAY' => 1,
'HOME' => 1,
'TEMP' => 1,
'USER' => 1,
'XAUTHORITY' => 1,
},
env_set => {
'NX_CLIENT' => '/usr/bin/arctica-services-graphics-nx3-server-callback', # nxagent callback handler
# 'NX_HOME' => '', # don't set!!!
# 'NX_ROOT' => $nx_root, # will be set the next moment, see below...
# 'NX_SYSTEM' => '', # don't set!!!
'NX_TEMP' => '/tmp', # set NX_TEMP to /tmp, make sure nxagent
# starts when pam_tmpdir.so is in use
},
exec_path => "/usr/bin/nxagent",
exec_cl_argv => [ "-nolisten", "tcp", "-ac", $display ],
# on_exit => \&my_on_exit_handler,
});
# create NX_ROOT directory
my $nx_root = $forking_child->new_empty_dir();
$forking_child->envset_append('NX_ROOT', $nx_root);
BugOUT(2,"Creating new NXv3 server object");
my $self = {
isArctica => 1, # Declare that this is an Arctica "something"
aobject_name => "Graphics_NX3_Server",
aobject_id => genARandom("id"),
mode => '',
display => $display,
bind_address => $bind_address,
bind_port => $bind_port,
disabled_extensions => $disabled_extensions,
extra_options => $extra_options,
forker => $forking_child,
};
bless($self, $class_name);
$arctica_core_object->{'aobj'}{'Services'}{$self->{'aobject_name'}}{$self->{'aobject_id'}}
= \$self;
BugOUT(9,"NX3::Server new->DONE");
return $self;
}
sub reconfigure {
}
sub start {
BugOUT(8,"Services::Graphics::Server::NX3 about to start()...");
my $self = $_[0];
$self->{'forker'}->run_child();
}
sub stop {
BugOUT(8,"Services::Graphics::Server::NX3 about to stop()...");
my $self = $_[0];
$self->{'forker'}->signal('SIGTERM');
}
sub resume {
BugOUT(8,"Services::Graphics::Server::NX3 about to resume()...");
my $self = $_[0];
# FIXME: check statefile and only if state is SUSPENDED:
$self->{'forker'}->signal('SIGHUP');
}
sub suspend {
BugOUT(8,"Services::Graphics::Server::NX3 about to suspend()...");
my $self = $_[0];
# FIXME: check statefile and only if state is RUNNING:
$self->{'forker'}->signal('SIGHUP');
}
sub stderr2BugOUT_handler {
BugOUT (2, "$_[0]\n");
}
1;
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