Initial Mother Forker Commit

2 files changed, 808 insertions, 0 deletions

diff --git a/lib/Arctica/Core/Mother/Forker.pm b/lib/Arctica/Core/Mother/Forker.pm
new file mode 100644
index 0000000..21fd8c1
--- /dev/null
+++ b/lib/Arctica/Core/Mother/Forker.pm
@@ -0,0 +1,743 @@
+################################################################################
+#          _____ _
+#         |_   _| |_  ___
+#           | | | ' \/ -_)
+#           |_| |_||_\___|
+#                   _   _             ____            _           _
+#    / \   _ __ ___| |_(_) ___ __ _  |  _ \ _ __ ___ (_) ___  ___| |_
+#   / _ \ | '__/ __| __| |/ __/ _` | | |_) | '__/ _ \| |/ _ \/ __| __|
+#  / ___ \| | | (__| |_| | (_| (_| | |  __/| | | (_) | |  __/ (__| |_
+# /_/   \_\_|  \___|\__|_|\___\__,_| |_|   |_|  \___// |\___|\___|\__|
+#                                                  |__/
+#          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::Core::Mother::Forker;
+use strict;
+use Arctica::Core::eventInit qw( genARandom BugOUT );
+use Data::Dumper;
+use Exporter qw(import);
+## Be very selective about what (if any) gets exported by default:
+our @EXPORT = qw();
+## And be mindfull of what we lett the caller request here too:
+our @EXPORT_OK = qw();
+
+use POSIX qw(:sys_wait_h mkfifo);
+use FileHandle;
+use IO::Pty;
+
+my $arctica_core_object;
+
+# A BUNCH OF CLEANUP STUFF IS MISSING RIGHT NOW
+# CLEANUP WHEN CHILD TERMINATES AND ON "DESTROY"
+# FIX THAT SOON AND REMOVE THIS TEXT WHEN ITS DONE
+
+sub new {
+	BugOUT(9,"Mother::Forker new->ENTER");
+	my $class_name = $_[0];# Be EXPLICIT!! DON'T SHIFT OR "@_";
+	$arctica_core_object = $_[1];
+	my $the_tmpdir = $arctica_core_object->{'a_dirs'}{'tmp_adir'};
+	my $dev_conf = $_[2];
+	
+	if (lc($dev_conf->{'fork_style'}) =~ /^(interactive_pty)$/) {
+	# There may be future options for other ways of going about forking...
+	# But hopefully the interavtive_pty method will be a good universal approach for most 
+		$dev_conf->{'fork_style'} = $1;
+		BugOUT(9,"Mother::Forker fork_style is $dev_conf->{'fork_style'}");
+	} else {
+		die("Mother::Forker Unknown fork_style: '$dev_conf->{'fork_style'}'");
+	}
+
+	my $self = {
+		dummydata => {# RM this junk before public release!
+			somevalue	=> 321,
+			otherinfo	=> "The Other INFO!",
+		},
+		child_name	=> $dev_conf->{'child_name'},
+		fork_style	=> $dev_conf->{'fork_style'},
+		isArctica	=> 1, # Declare that this is a Arctica "something"
+		aobject_name	=> "MForker_Child",
+	};
+	
+	if (-x $dev_conf->{'exec_path'})  {
+		if ($dev_conf->{'exec_path'} =~ /^\//) {# Not M$ Windoz friendly... deal with that later...
+			$self->{'exec_path'} = $dev_conf->{'exec_path'};
+			BugOUT(9,"Mother::Forker exec_path is $self->{'exec_path'}");
+		} else {
+			die("We're only going to fork stuff you provide a full path for. ('$dev_conf->{'exec_path'}'!?!?)");
+		}
+	} else {
+		die("$dev_conf->{'exec_path'} is not executable!");
+	}
+	
+	if ($dev_conf->{'exec_cl_argv'}) {# add some sanity checks and whatnot here?
+		BugOUT(9,"Mother::Forker We got command line arguments for child!");
+		$self->{'exec_cl_argv'} = $dev_conf->{'exec_cl_argv'};
+	}
+
+	if ($dev_conf->{'return_stdin'} eq 1) {
+		$self->{'stdin'} = 1;
+	}
+
+	if ($dev_conf->{'handle_stdeoc'}) {# combine ERR and OUT EOC = "Err+Out Combined"
+		if ($dev_conf->{'handle_stdout'} or $dev_conf->{'handle_stderr'}) {
+			die("You can't have a combo STEOC and individual ERR and OUT handlers");
+		}
+		BugOUT(9,"Mother::Forker Combining STDERR into STDOUT");
+		$self->{'handle_stdeoc'} = $dev_conf->{'handle_stdeoc'};
+	} else {
+		if ($dev_conf->{'handle_stdout'}) {
+			BugOUT(9,"Mother::Forker Individual handler for STDOUT");
+			$self->{'handle_stdout'} = $dev_conf->{'handle_stdout'};
+		} else {
+			BugOUT(9,"Mother::Forker No handler for STDOUT");
+		}
+		if ($dev_conf->{'handle_stderr'}) {
+			BugOUT(9,"Mother::Forker Individual handler for STDERR");
+			$self->{'handle_stderr'} = $dev_conf->{'handle_stderr'};
+		} else {
+			BugOUT(9,"Mother::Forker No handler for STDERR");
+		}
+	}
+
+	if ($dev_conf-> {'handle_death'}) {
+		BugOUT(9,"Mother::Forker GoT handler for DEATH of forked child");
+		$self->{'handle_death'} = $dev_conf->{'handle_death'};
+	} else {
+		BugOUT(9,"Mother::Forker No handler for DEATH of forked child");
+	}
+	$self->{'child_aid'} = genARandom('id');
+
+	bless($self, $class_name);# Blessed be thy object.
+	# Then append our self to the ACO tree:
+	$arctica_core_object->{'aobj'}{'MForker'}{$self->{'child_aid'}} = \$self;
+	
+#	START dealing with ENV here.
+	if ($dev_conf->{'env_strict'}) {
+		$self->{'env_strict'} = 1;
+		if ($dev_conf->{'env_pass'}) {
+			$self->{'env_pass'} = $dev_conf->{'env_pass'};
+		}
+	}
+	if ($dev_conf->{'env_set'}) {
+		$self->{'env_set'} = $dev_conf->{'env_set'};
+	}
+#	DONE dealing with ENV here.
+	
+	if ($dev_conf->{'exec_hold'} eq 1) {# Not executing yet, eh?
+		BugOUT(9,"Mother::Forker exec_hold requested!!");
+	} else {# Executing right away, huh!?
+		BugOUT(9,"Mother::Forker NO HOLD requested, executing now...");
+		$self->run_child();
+	}
+		$self->_chkncreatedir();
+	return $self;
+}
+
+sub run_child {
+	BugOUT(8,"Mother::Forker about to run_child...");
+	my $self = $_[0];
+	
+	$self->_afork_ipty();
+}
+
+sub _afork_ipty {
+	my $self = $_[0];
+	my $main_pty = IO::Pty->new;
+	$main_pty->set_raw();# WE DONT WANT ECHOING OF WHAT WE SEND...
+
+	my $errpipe;
+	if ($self->{'handle_stderr'}) {
+		 $errpipe = $self->_create_pipe($self->{'handle_stderr'});
+	}
+
+	unless ($self->{'child_pid'} = fork) {
+	# START OF THE FORKING CHILD 
+		$ENV{LANG} = "C";# We wan't to be dealing with the child in English
+		my $slave_pty = $main_pty->slave;
+		$main_pty->make_slave_controlling_terminal();
+#		$main_pty->slave->clone_winsize_from(\*STDIN);
+		STDOUT->autoflush(1);# These three sometimes makes a difference.
+		STDERR->autoflush(1);# Other times they don't...
+		STDIN->autoflush(1); # Depending on the child?!? at least causes no problems.
+
+		my $slave_pty_fn = $slave_pty->fileno;
+		open STDIN, "<&$slave_pty_fn" or die $!;
+
+		if ($self->{'handle_stdeoc'}) {
+			open STDOUT, ">&$slave_pty_fn" or die $!;
+			open STDERR, ">&STDOUT" or die $!;
+		} else {
+			open STDOUT, ">&$slave_pty_fn" or die $!;
+			if ($self->{'handle_stderr'}) {
+				BugOUT(9,"Mother::Forker Sending STDERR to fifopipe $errpipe");
+				open(STDERR, ">$errpipe") or die($!);
+			} else {
+				BugOUT(9,"Mother::Forker Sending STDERR to /dev/null");
+				open(STDERR, ">/dev/null") or die($!);
+			}
+		}
+
+		my @cl_args;# Move this whole following code chunk out of the child???
+		if ($self->{'exec_cl_argv'}) {
+			foreach my $the_arg (@{$self->{'exec_cl_argv'}}) {
+				# do some sanitation here?
+				push @cl_args, $the_arg;
+			}
+		}
+
+#		START dealing with ENV here.
+		if ($self->{'env_strict'}) {# Yay! Strict ENV!
+			foreach my $key (sort keys %ENV) {
+				if (($key =~ /^A\_/) and ($self->{'env_pass'}{'ARCTICA'} eq 1)) {
+#					Probably do nothing here!?!
+				} elsif ($self->{'env_pass'}{$key} eq 1) {
+#					Probably do nothing here!?!
+				} else {
+					$ENV{$key} = undef;
+					delete($ENV{$key});
+				}
+			}
+		}
+
+		if ($self->{'env_set'}) {
+			foreach my $key (keys $self->{'env_set'}) {
+				$ENV{$key} =  $self->{'env_set'}{$key};
+			}
+		}
+#		DONE dealing with ENV here.
+
+		exec($self->{'exec_path'},@cl_args);
+
+	# END OF THE FORKING CHILD
+	}
+	
+	if ($self->{'child_pid'} > 0) {
+		BugOUT(8,"Mother::Forker child PID is: $self->{'child_pid'}");
+		$self->{'glib_tnw'}{'reaper_of_zombie_children'} = Glib::Timeout->add(500, sub {\$self->_is_child_alive();}, undef, 1 );
+		if ($self->{'stdin'} eq 1) {
+			$self->{'stdin'} = $main_pty;
+		}
+		if ($self->{'handle_stdeoc'}) {
+			$self->{'glib_tnw'}{'stderr_and_out'} = Glib::IO->add_watch(
+				fileno( $main_pty ), ['in', 'hup','err'],
+				sub {\$self->_input_reader($main_pty,$self->{'handle_stdeoc'},$_[0],$_[1],$_[2]);});
+			BugOUT(9,"Mother::Forker combined STD OUT/ERR watcher initiated.");
+		} else {
+			if ($self->{'handle_stdout'}) {
+				$self->{'glib_tnw'}{'stdout'} = Glib::IO->add_watch(
+					fileno( $main_pty ), ['in', 'hup','err'],
+					sub {\$self->_input_reader($main_pty,$self->{'handle_stdout'},$_[0],$_[1],$_[2]);});
+					BugOUT(9,"Mother::Forker STDOUT watcher initiated.");
+			} else {
+				# Apparently we need to pretend to do something with STDOUT to keep everything happy...
+				$self->{'glib_tnw'}{'stdout'} = Glib::IO->add_watch(
+					fileno( $main_pty ), ['in', 'hup','err'],
+					sub {\$self->_input_reader($main_pty,sub {},$_[0],$_[1],$_[2]);});
+					BugOUT(9,"Mother::Forker watching STDOUT but doing nothing.");
+			}
+#			if ($self->{'handle_stderr'}) {
+#				This is already being taken care of by the pipe plumber..
+#				Do nothing here? remove this chunk before release?!!?
+#				print "INSERT ERRPIPE STUFF HERE!\n";
+#			}
+		}
+	} else {
+		warn("FAIL TO FORK!");# The application using this module may want to try to recover from this.. or not?!?
+	}
+}
+
+sub _is_child_alive {# Idealy you should catch deaths before this do...
+	# Could this be done more effichient and pretty?
+	my $self = $_[0];
+	my $thekill = kill(0,$self->{'child_pid'});
+	if ($thekill > 0) {
+		foreach my $zpid (ZombieSlayer()) {
+			$zpid =~ s/\D//g; 
+			if ($zpid eq $self->{'child_pid'}) {
+				BugOUT(8,"Mother::Forker child appear to be dead...");
+				$self->limpiador_de_la_muerte();
+			}
+		}
+	} else {
+		# insert the call for cleanup here too?
+	}
+}
+
+
+sub limpiador_de_la_muerte {
+	my $self = $_[0];
+	if ($self->{'dead'} ne 1) {# Death may be noticed multiple places...
+		$self->{'dead'} = 1;# Prevents multiple cleanup instances...
+		my $death_handler;
+
+		if ($self->{'handle_death'}) {
+			$death_handler = $self->{'handle_death'};
+		}
+
+#		Glib::Source->remove($self->{'glib_timeout'});# THESE TWO NEED TO GO...
+#		Glib::Source->remove($self->{'glib_watcher'});# foreach of $self->{'glib_tnw'} instead...
+# 		Not that it's really needed.... explicitly cleaning shit up never hurt nobody...
+
+		if ($death_handler) {
+			$death_handler->("AAAAAAAWWWWWWWWWWWWWW WERE DEAD!!!");
+		}
+		return 0;
+	}
+}
+
+sub send {
+	my $self = $_[0];
+	if ($self->{'stdin'} and ($self->{'dead'} ne 1)) {
+		my $bytes_written = syswrite($self->{'stdin'},"$_[1]\n") or warn("Mother::Forker fail to write to childs STDIN");
+		$self->{'stdin'}->flush;# REDUNDANT!?
+		if ($bytes_written > 0) {
+			BugOUT(9,"Mother::Forker  $bytes_written bytes Written to childs STDIN")
+		} else {
+			if (lenght($_[1]) > 0) {
+				warn("Mother::Forker fail to write to childs STDIN");
+			} else {
+				warn("Mother::Forker WTF?!");
+			}
+		}
+	} else {
+		warn("Mother::Forker write: Did not write a damn thing!");
+	}
+}
+
+sub _input_reader {
+	my $self = $_[0];
+	my $read_fd = $_[1];
+	my $handler_function = $_[2];
+#	print "$read_fd\t$_[3]\t$_[4]\t$_[5]\n\n";# don't forget to either remove this or turn it into a bugout
+	my $buffer;
+	my $bytesread = sysread($read_fd,$buffer,8192);
+	if ($bytesread > 0) {
+		foreach my $line (split(/\n/, $buffer)) {
+			$line =~ s/\n//g;
+			unless ($line =~ /^\s*$/) {
+				$handler_function->($line);
+			} else {
+#				print "GOT EMPTY LINE\n";
+			}
+		}
+	}
+	return 1;
+}
+
+sub _create_pipe {
+	my $self = $_[0];
+	my $handler_function = $_[1];
+	if ($handler_function) {
+		my $fullpath2 = $self->_chkncreatedir();
+		my $pipeid = genARandom('id');
+		my $pipeFH = FileHandle->new;
+		mkfifo("$fullpath2/$pipeid.fifo",0700);
+		open($pipeFH,"+<$fullpath2/$pipeid.fifo");
+		$pipeFH->autoflush(1);
+		$self->{'glib_tnw'}{"fifo_$pipeid"} = Glib::IO->add_watch($pipeFH->fileno, [qw/in/],
+			sub {\$self->_input_reader($pipeFH,$handler_function,$_[0],$_[1],$_[2]);} ,$pipeFH);
+
+		return "$fullpath2/$pipeid.fifo";
+	} else {
+		die("Mother::Forker did you forget to specify a handler func?");
+	}
+}
+
+sub log_slurper {# create pipe we can declare as log file.
+	my $self = $_[0];
+	my $handler_function = $_[1];
+	if ($handler_function) {
+		unless (($self->{'dead'} eq 1) and ($self->{'child_pid'} > 0)) {
+			print "SLURP!!!!!!!!!!!!!! NOM NOM NOM.....\n";
+			my $pipe_path = $self->_create_pipe($handler_function);
+			if (-p  $pipe_path) {
+				return  $pipe_path;
+			} else {
+				die("Mother::Forker Unable to create pipe");
+			}
+		} else {
+			die("Mother::Forker Slurper must be initated before exec!");
+		}
+	}
+}
+
+
+sub clargv_append {
+	my $self = $_[0];
+	my $new_clargv = $_[1];
+	unless ($new_clargv =~ /^\s*$/) {
+		unless (($self->{'dead'} eq 1) and ($self->{'child_pid'} > 0)) {
+			push $self->{'exec_cl_argv'}, $new_clargv;
+		} else {
+			die("Mother::Forker Must append cl_argv before exec!");
+		}
+	}
+}
+
+
+sub new_blank_file {
+	my $self = $_[0];
+	my $options = $_[1];
+	my $full_path = $self->_chkncreatedir('files');
+	if (-d $full_path) { 
+		my $file_id = genARandom('id');
+		my $fext = "file";
+		if ($options->{'_configfile'} eq 1) {
+			$fext = "conf";
+		}
+		if (($options->{'_configfile'} ne 1) and ($options->{'create'} eq 1)) {
+			open(EMPTY,">$full_path/$file_id.$fext") 
+				or die("Mother::Forker Can't create file: '$full_path/$file_id.$fext' ($!)");
+			close(EMPTY);
+			BugOUT(9,"Mother::Forker created empty file: '$full_path/$file_id.$fext'");
+		} else {
+			BugOUT(9,"Mother::Forker got path for new file: '$full_path/$file_id.$fext'");
+		}
+		
+		if (lc($options->{'name'}) =~ /^([a-z]{1,16})$/) {
+			$self->{'Files'}{$file_id}{'name'} = $1;
+		}
+		$self->{'Files'}{$file_id}{'path'} = "$full_path/$file_id.$fext";
+		$self->{'Files'}{$file_id}{'fext'} = $fext;
+		
+		return "$full_path/$file_id.$fext";
+	} else {
+		die("Mother::Forker Directory '$full_path' does not exist?!");
+	}
+}
+
+sub new_empty_dir {
+	my $self = $_[0];
+	my $options = $_[1];
+	my $full_path = $self->_chkncreatedir('dirs');
+	if (-d $full_path) {
+		my $dir_id = genARandom('id');
+		if (lc($options->{'name'}) =~ /^([a-z]{1,16})$/) {
+			$self->{'Dirs'}{$dir_id}{'name'} = $1;
+		}
+		mkdir("$full_path/$dir_id") 
+			or die("Mother::Forker Can't create dir '$full_path/$dir_id' ($!)");
+		$self->{'Dirs'}{$dir_id}{'path'} = "$full_path/$dir_id";
+		BugOUT(9,"Mother::Forker created empty dir '$self->{'Dirs'}{$dir_id}{'path'}'");
+		return "$full_path/$dir_id";
+	} else {
+		die("Mother::Forker Directory '$full_path' does not exist?!");
+	}
+}
+
+
+sub cfg_file_init {
+	my $self = $_[0];
+	my $options = $_[1];
+	if ($options->{'blob'}) {# complete blob
+		BugOUT(9,"Mother::Forker cfg_file_init BLOB");
+#		This will be for when you'd want to just supply a whole config file blob 
+#		rather than using the config template functions
+		die("BLOB CONF Not yet!!");
+	} elsif ($options->{'template'}) {# use template 
+		if ((-f $options->{'template'}) and ($options->{'template'} =~ /^\//)) {
+			BugOUT(9,"Mother::Forker cfg_file_init TEMPLATE: '$options->{'template'}'");
+			open(ACNFT,$options->{'template'});
+			my ($first_line,@file_content) = <ACNFT>;
+			close(ACNFT);
+			if (uc($first_line) =~ /ACNFT\_START/) {
+				my $cfg_id = genARandom('id');
+#				$self->{'cfg_files'}{$cfg_id}{'pdv'}
+#				my %decvars;
+				my $var_dec;
+				($var_dec,$self->{'cfg_files'}{$cfg_id}{'template'},undef) = split(/\#{6,}\n/,"@file_content");
+				foreach my $varline (split(/\n/,$var_dec)) {
+					$varline =~ s/^\s*//g;
+					$varline =~ s/\s*$//g;
+					if ($varline =~ /^(\d)\;([a-z0-9]{1,16})\;([A-Z0-9\_]{3,32})\=(.*)$/) {
+						$self->{'cfg_files'}{$cfg_id}{'pdv'}{$3}{'value'} = $4;
+						if ($1 eq 0) {
+							$self->{'cfg_files'}{$cfg_id}{'pdv'}{$3}{'req'} = 0;
+						} else {
+							$self->{'cfg_files'}{$cfg_id}{'pdv'}{$3}{'req'} = 1;
+						}
+						
+						if ($2 eq 0) {
+							$self->{'cfg_files'}{$cfg_id}{'pdv'}{$3}{'sanitation'} = 0;
+						} else {
+#							ADD SOME SANITATION STUFF HERE?
+							die("Mother::Forker cfg_file_init '$2' is not a valid sanitation rule");
+						}
+					} else {
+						if (length($varline) > 0) {
+							warn("Mother::Forker cfg_file_init not a valid vardec: '$varline'");
+#							print "NOT A VALID VARDEC LINE?!\n";
+						}
+					}
+				}
+#				@file_content = undef;$var_dec = undef;
+				$self->{'cfg_files'}{$cfg_id}{'file_path'} = $self->new_blank_file({
+						_configfile	=> 1,
+						create		=> 0,
+					});
+				$self->_cfg_file_template_prep_vars($cfg_id,$options->{'vars'},1,0);
+				
+				if ($options->{'handle_cfg_change'}) {
+					$self->{'cfg_files'}{$cfg_id}{'handle_cfg_change'} = $options->{'handle_cfg_change'};
+				}
+				
+				return $cfg_id;
+
+			} else {
+				die("Mother::Forker '$options->{'template'}' does not appear to be a ACNFT file?!?");
+			}
+			
+			
+			 
+		} else {
+			die("Mother::Forker cfg template must be full path to existing file!");
+		}
+	} else {
+		die("Mother::Forker cfg file must be either 'blob' or 'template'!");
+	}
+}
+
+sub cfg_file_chval {# update existing config file.... maybe trigger some signaling?
+	my $self = $_[0];
+	my $cfg_id = $_[1];
+	my $new_confv = $_[2];
+	if ($self->{'cfg_files'}{$cfg_id}) {
+		if (($self->{'cfg_files'}{$cfg_id}{'template'}) and (ref($new_confv) eq "HASH")) {
+			BugOUT(9,"Mother::Forker cfg_file_chval template style.");
+			$self->_cfg_file_template_prep_vars($cfg_id,$new_confv,1,1);
+		} elsif ($self->{'cfg_files'}{$cfg_id}{'blob'}) {
+			BugOUT(9,"Mother::Forker cfg_file_chval blob style.");
+			die("Mother::Forke blobs not supportet ATM.. :-(");
+		} else {
+			die("Mother::Forker something is probably messed up!");
+		}
+	} else {
+		warn("Mother::Forker '$cfg_id' is not a valid cfg file id");
+	}
+#	if (reg($new_values) eq "HASH")
+#mostly relying on _cfg_file_template_prep_vars for template based files 
+#conf blobs not a pri at the moment 
+}
+
+sub _cfg_file_template_prep_vars {
+	my $self = $_[0];
+	my $cfg_id = $_[1];
+	my $in_vars = $_[2];
+	my $writefile = $_[3];
+	my $trigger_call = $_[4];
+	if ($self->{'cfg_files'}{$cfg_id}{'template'}) {
+			foreach my $inv_key (keys $in_vars) {
+#				if (length($in_vars->{$inv_key}) > 0) {# need to allow empty values
+				my $uc_key = uc($inv_key);
+				if ($self->{'cfg_files'}{$cfg_id}{'pdv'}{$uc_key}) {
+					if ($self->{'cfg_files'}{$cfg_id}{'pdv'}{$uc_key}{'sanitation'} eq 0) {
+						unless (($self->{'cfg_files'}{$cfg_id}{'pdv'}{$uc_key}{'req'} eq 1) and (length($in_vars->{$inv_key}) < 1)) {
+							$self->{'cfg_files'}{$cfg_id}{'pdv'}{$uc_key}{'value'} = $in_vars->{$inv_key};
+						} else {
+							warn("Mother::Forker _cfg_file_template_prep_vars required var '$inv_key' can not be set to empty value!");
+						}
+					} else {
+#						Insert some santiation functions here at some point?
+						die("BUT FOR NOW... WE DIE HERE!");
+					}
+				} else {
+					warn("Mother::Forker invalid cfg var '$inv_key'!");
+				}
+#				}# need to allow empty values
+			}
+
+
+		if (($writefile eq 1) and ($self->{'cfg_files'}{$cfg_id}{'file_path'} =~ /^\//)) {
+			my $template = $self->{'cfg_files'}{$cfg_id}{'template'};
+			foreach my $key (keys $self->{'cfg_files'}{$cfg_id}{'pdv'}) {
+				if ($template =~ /\$\$ACV\-$key\$\$/) {
+#					my $value = $decvars{$key}{'value'};
+#					print "FOUND MATCH: $1 $value\n";
+					unless (($self->{'cfg_files'}{$cfg_id}{'pdv'}{$key}{'req'} eq 1) and (length($self->{'cfg_files'}{$cfg_id}{'pdv'}{$key}{'value'}) < 1)) {
+						$template =~ s/\$\$ACV\-$key\$\$/$self->{'cfg_files'}{$cfg_id}{'pdv'}{$key}{'value'}/g
+					} else {
+						warn("Mother::Forker _cfg_file_template_prep_vars required var '$key' can not be set to empty value!");
+					}
+
+				} else {
+					warn("Mother::Forker _cfg_file_template_prep_vars no match in template for '$key'!");
+				}
+			}
+
+			if ($template =~ /\$\$ACV\-[A-Z0-9\_]{3,32}\$\$/) {
+				$template =~ s/\$\$ACV\-[A-Z0-9\_]{3,32}\$\$//g;
+				warn("Mother::Forker _cfg_file_template_prep_vars leftover placeholder(s) in template!");
+			}
+
+			open(CFG,">$self->{'cfg_files'}{$cfg_id}{'file_path'}") 
+				or die("Mother::Forker _cfg_file_template_prep_vars UNABLE to write to file '$self->{'cfg_files'}{$cfg_id}{'file_path'}' ($!)");
+			foreach my $cfg_line (split(/\n/, $template)) {
+				$cfg_line =~ s/^\s*//g;
+				$cfg_line =~ s/\s*$//g;
+				unless ($cfg_line =~ /^\s*$/) {
+					print CFG "$cfg_line\n";
+				}
+			}
+			close(CFG);
+
+			if (($trigger_call eq 1) and ($self->{'cfg_files'}{$cfg_id}{'handle_cfg_change'})) {
+				$self->{'cfg_files'}{$cfg_id}{'handle_cfg_change'}($cfg_id);
+			}
+		}
+
+	} else {
+		if ($self->{'cfg_files'}{$cfg_id}) {
+			die("Mother::Forker '$cfg_id' is not a valid cfg_id?!");
+		} else {
+			die("Mother::Forker '$cfg_id' is not a template style cfg file!?!");
+		}
+	}
+}
+
+sub _chkncreatedir {
+	my $self = $_[0];
+	my $subdir = $_[1];
+	# Figure out what class this application is and create in appropraite place.
+	# DONT FORGET TO SET STRICT FILE PERMS (WE GOT A SUB FOR THAT!!)
+	my $full_path = $arctica_core_object->{'a_dirs'}{'tmp_adir'};
+	unless (-d $full_path) {
+		mkdir($full_path) or die("Could not create directory: '$full_path' ($!)");
+	}
+	
+	$full_path .= "/foobar";# This is probably where we would want to so something based on application class.
+	unless (-d $full_path) {
+		mkdir($full_path) or die("Could not create directory: '$full_path' ($!)");
+	}
+	
+	$full_path .= "/$arctica_core_object->{'AExecDeclaration'}{'self_aID'}.apd";
+	unless (-d $full_path) {
+		mkdir($full_path) or die("Could not create directory: '$full_path' ($!)");
+	}
+	
+	$full_path .= "/children";
+	unless (-d $full_path) {
+		mkdir($full_path) or die("Could not create directory: '$full_path' ($!)");
+	}
+	
+	$full_path .= "/$self->{'child_aid'}.cld";
+	unless (-d $full_path) {
+		mkdir($full_path) or die("Could not create directory: '$full_path' ($!)");
+	}
+	
+	if ($subdir eq "files") {
+		$full_path .= "/files/";
+		unless (-d $full_path) {
+			mkdir($full_path) or die("Could not create directory: '$full_path' ($!)");
+		}
+	} elsif ($subdir eq "dirs") {
+		$full_path .= "/dirs/";
+		unless (-d $full_path) {
+			mkdir($full_path) or die("Could not create directory: '$full_path' ($!)");
+		}
+	}
+	
+	if (-d $full_path) {
+		return $full_path;
+	} else {
+		return 0;
+	}
+}
+
+#sub _check_n_remove_dir {	$self = $_[0];}
+
+
+sub signal {
+	my $self = $_[0];
+	my $signal = uc($_[1]);
+# signal the child if its running...
+# Obviously we'll do something with "kill" here...
+# playing with a few options.
+	if (($signal =~ /^(\-?[A-Z]*)$/) or ($signal =~ /^(\-?\d*)$/)) {
+		$signal = $1;
+		# add some future signal sanitation?
+		if ($self->{'child_pid'}) {
+			if (kill(0,$self->{'child_pid'}) and ($self->{'dead'} ne 1)) {
+				BugOUT(9,"Mother::Forker sending '$signal' to PID#$self->{'child_pid'}");
+				kill($signal,$self->{'child_pid'}) 
+					or warn("Mother::Forker unable to signal child PID#$self->{'child_pid'} ($!)");
+			} else {
+				warn("Mother::Forker unable to signal child PID#$self->{'child_pid'} ($self->{'dead'})");
+			}
+		} else {
+			warn("Mother::Forker NO child PID? So... we're unable to signal child, did it ever run?)");
+		}
+	} else {
+		die("Mother::Forker signal '$signal' is invalid or not supported.");
+	}
+
+
+}
+
+sub ZombieSlayer {# This one may be usefull for external use too...
+#	usleep(1000);# Give stuff a remote chance of actually being zombified... and if not.... not really a big deal..
+	my $zombID = 1;
+	my $maxCnt = 0;# Just for those unforseen, unlikely events when '$zombID'  would never free us from the while loop. 
+	my @zombieList;
+	while (($zombID > 0) and ($maxCnt < 100)) {
+		$maxCnt++;
+		$zombID = waitpid(-1, WNOHANG);
+		if ($zombID > 0) {
+			push @zombieList, $zombID;
+		}
+	}
+	return @zombieList;
+}
+
+sub DESTROY {
+	my $self = $_[0];
+	warn("Mother::Forker DESTROY object $self->{'child_id'}");
+}
+
+
+1;
diff --git a/lib/Arctica/Core/Mother/Forker/Version.pm b/lib/Arctica/Core/Mother/Forker/Version.pm
new file mode 100644
index 0000000..c4ec44f
--- /dev/null
+++ b/lib/Arctica/Core/Mother/Forker/Version.pm
@@ -0,0 +1,65 @@
+################################################################################
+#          _____ _
+#         |_   _| |_  ___
+#           | | | ' \/ -_)
+#           |_| |_||_\___|
+#                   _   _             ____            _           _
+#    / \   _ __ ___| |_(_) ___ __ _  |  _ \ _ __ ___ (_) ___  ___| |_
+#   / _ \ | '__/ __| __| |/ __/ _` | | |_) | '__/ _ \| |/ _ \/ __| __|
+#  / ___ \| | | (__| |_| | (_| (_| | |  __/| | | (_) | |  __/ (__| |_
+# /_/   \_\_|  \___|\__|_|\___\__,_| |_|   |_|  \___// |\___|\___|\__|
+#                                                  |__/
+#          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::Mother::Version;
+use strict;
+
+use vars qw[$VERSION];
+
+$VERSION              = '0.0.0.1';