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authorGZNGET FOSS Team <opensource@gznianguan.com>2016-09-06 16:18:44 +0200
committerGZNGET FOSS Team <opensource@gznianguan.com>2016-09-06 16:43:49 +0200
commite5c70c6ac7b22aa0497b33d3507746307e93e563 (patch)
tree936b219152d03df92f4f030b9a9553d24ae9673a /lib
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Initial Mother Forker Commit
Diffstat (limited to 'lib')
-rw-r--r--lib/Arctica/Core/Mother/Forker.pm743
-rw-r--r--lib/Arctica/Core/Mother/Forker/Version.pm65
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_dirĀ { $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';