From 23f7b5c60235f2a2513a2f8f71ceede9e02da1b5 Mon Sep 17 00:00:00 2001 From: eleksir Date: Wed, 18 Aug 2021 23:59:17 +0300 Subject: [PATCH] Initial commit --- .gitignore | 9 ++ .perlcriticrc | 95 ++++++++++++++++++ LICENSE | 127 +++++++++++++++++++++++++ README | 41 ++++++++ bin/aleesa-craniac | 197 ++++++++++++++++++++++++++++++++++++++ bootstrap.sh | 5 + cpanfile | 18 ++++ data/config_sample.json | 21 ++++ lib/Craniac.pm | 206 ++++++++++++++++++++++++++++++++++++++++ 9 files changed, 719 insertions(+) create mode 100644 .gitignore create mode 100644 .perlcriticrc create mode 100644 LICENSE create mode 100644 README create mode 100755 bin/aleesa-craniac create mode 100644 bootstrap.sh create mode 100644 cpanfile create mode 100644 data/config_sample.json create mode 100644 lib/Craniac.pm diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..20e62d7 --- /dev/null +++ b/.gitignore @@ -0,0 +1,9 @@ +_Deparsed_XSubs.pm +.idea/** +.vscode/** +.vstags +*.pid +*.log +data/cache/** +data/config.json +vendor_perl/** diff --git a/.perlcriticrc b/.perlcriticrc new file mode 100644 index 0000000..41f004d --- /dev/null +++ b/.perlcriticrc @@ -0,0 +1,95 @@ +#!/usr/bin/env perlcritic +severity = 5 +verbose = 8 + +# minorify some of warnings that are not really critical +[-InputOutput::RequireCheckedClose] +# What can we handle in case of error? + +[-Modules::ProhibitExcessMainComplexity] +# Noone cares + +[-Subroutines::ProhibitExcessComplexity] +# Noone cares + +[-Subroutines::ProhibitExplicitReturnUndef] +# But it's very handy sometimes! + +[-ValuesAndExpressions::ProhibitMagicNumbers] +# this policy makes too much false positives + +[-RegularExpressions::RequireLineBoundaryMatching] +# We use /m as needed + +[-RegularExpressions::RequireExtendedFormatting] +# We do not use extended formatting of regex, they still not THAT complex + +[-RegularExpressions::RequireDotMatchAnything] +# huh? + +[-RegularExpressions::ProhibitEscapedMetacharacters] +# Looks like it pointless + +[-ControlStructures::ProhibitCascadingIfElse] +# I like long if..else chains + +[-ControlStructures::ProhibitPostfixControls] +# In short lines we can afford ourselves to use postfix controls +# but ofcorse we should avoid such constructions in long lines. + +[-Subroutines::ProhibitSubroutinePrototypes] +# Contrary to Perl::Critic we consider prototypes as useful, even if +# the compile-time checks of Perl are not perfect, Perl may give some +# hints. + +[-CodeLayout::RequireTidyCode] +# Impossible to complete, because of on higher linting levels "## no critic..." +# require be per-case on same line where critique is, but tidy align them +# one line down. + +[-CodeLayout::ProhibitParensWithBuiltins] +# duh... + +[-ValuesAndExpressions::ProhibitEmptyQuotes] +# cause we consider following correct and useful: my $var = ''; +# the recomended use of q{} looks too complex: my $var = q{}; + +[-ValuesAndExpressions::ProhibitNoisyQuotes] +# Other people, other opinions: "," is better readable than qw(,) + +[-BuiltinFunctions::ProhibitSleepViaSelect] +# We do not wish to use too much external modules. +# select undef, undef, undef, 0.25; # actually is okay if you add comment that +# it is sleep for 0.25 seconds + +[-NamingConventions::Capitalization] +# duh... +# Noone care, really + +[-ControlStructures::ProhibitUnlessBlocks] +# They should not be too complex - only one condition should be checked, +# that's all + +[-Miscellanea::ProhibitTies] +# Just allow it. It's very handy stuff and extremely simple and safe enugh to use. + +[-ValuesAndExpressions::RequireNumberSeparators] +# Not really + +[-InputOutput::RequireBracedFileHandleWithPrint] +# We prefer not to use braced file handles + +[-Documentation::PodSpelling] +# It doesn't help, but emits annoying errors + +[Documentation::RequirePodSections] +# Considering this as "soft" requirement. For modules that is (or will be) +# stand-alone libs well formed documentation is highly desired. +lib_sections = NAME | VERSION | DESCRIPTION | AUTHOR | LICENSE AND COPYRIGHT + +[-InputOutput::RequireBriefOpen] +# Yes, i do! + +[-ControlStructures::ProhibitDeepNests] +# Have to use it, so fuckoff + diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..4ff3f42 --- /dev/null +++ b/LICENSE @@ -0,0 +1,127 @@ + The "Artistic License" + + Preamble + +The intent of this document is to state the conditions under which a +Package may be copied, such that the Copyright Holder maintains some +semblance of artistic control over the development of the package, +while giving the users of the package the right to use and distribute +the Package in a more-or-less customary fashion, plus the right to make +reasonable modifications. + +Definitions: + + "Package" refers to the collection of files distributed by the + Copyright Holder, and derivatives of that collection of files + created through textual modification. + + "Standard Version" refers to such a Package if it has not been + modified, or has been modified in accordance with the wishes + of the Copyright Holder as specified below. + + "Copyright Holder" is whoever is named in the copyright or + copyrights for the package. + + "You" is you, if you're thinking about copying or distributing + this Package. + + "Reasonable copying fee" is whatever you can justify on the + basis of media cost, duplication charges, time of people involved, + and so on. (You will not be required to justify it to the + Copyright Holder, but only to the computing community at large + as a market that must bear the fee.) + + "Freely Available" means that no fee is charged for the item + itself, though there may be fees involved in handling the item. + It also means that recipients of the item may redistribute it + under the same conditions they received it. + +1. You may make and give away verbatim copies of the source form of the +Standard Version of this Package without restriction, provided that you +duplicate all of the original copyright notices and associated disclaimers. + +2. You may apply bug fixes, portability fixes and other modifications +derived from the Public Domain or from the Copyright Holder. A Package +modified in such a way shall still be considered the Standard Version. + +3. You may otherwise modify your copy of this Package in any way, provided +that you insert a prominent notice in each changed file stating how and +when you changed that file, and provided that you do at least ONE of the +following: + + a) place your modifications in the Public Domain or otherwise make them + Freely Available, such as by posting said modifications to Usenet or + an equivalent medium, or placing the modifications on a major archive + site such as uunet.uu.net, or by allowing the Copyright Holder to include + your modifications in the Standard Version of the Package. + + b) use the modified Package only within your corporation or organization. + + c) rename any non-standard executables so the names do not conflict + with standard executables, which must also be provided, and provide + a separate manual page for each non-standard executable that clearly + documents how it differs from the Standard Version. + + d) make other distribution arrangements with the Copyright Holder. + +4. You may distribute the programs of this Package in object code or +executable form, provided that you do at least ONE of the following: + + a) distribute a Standard Version of the executables and library files, + together with instructions (in the manual page or equivalent) on where + to get the Standard Version. + + b) accompany the distribution with the machine-readable source of + the Package with your modifications. + + c) give non-standard executables non-standard names, and clearly + document the differences in manual pages (or equivalent), together + with instructions on where to get the Standard Version. + + d) make other distribution arrangements with the Copyright Holder. + +5. You may charge a reasonable copying fee for any distribution of this +Package. You may charge any fee you choose for support of this +Package. You may not charge a fee for this Package itself. However, +you may distribute this Package in aggregate with other (possibly +commercial) programs as part of a larger (possibly commercial) software +distribution provided that you do not advertise this Package as a +product of your own. You may embed this Package's interpreter within +an executable of yours (by linking); this shall be construed as a mere +form of aggregation, provided that the complete Standard Version of the +interpreter is so embedded. + +6. The scripts and library files supplied as input to or produced as +output from the programs of this Package do not automatically fall +under the copyright of this Package, but belong to whoever generated +them, and may be sold commercially, and may be aggregated with this +Package. If such scripts or library files are aggregated with this +Package via the so-called "undump" or "unexec" methods of producing a +binary executable image, then distribution of such an image shall +neither be construed as a distribution of this Package nor shall it +fall under the restrictions of Paragraphs 3 and 4, provided that you do +not represent such an executable image as a Standard Version of this +Package. + +7. C subroutines (or comparably compiled subroutines in other +languages) supplied by you and linked into this Package in order to +emulate subroutines and variables of the language defined by this +Package shall not be considered part of this Package, but are the +equivalent of input as in Paragraph 6, provided these subroutines do +not change the language in any way that would cause it to fail the +regression tests for the language. + +8. Aggregation of this Package with a commercial distribution is always +permitted provided that the use of this Package is embedded; that is, +when no overt attempt is made to make this Package's interfaces visible +to the end user of the commercial distribution. Such use shall not be +construed as a distribution of this Package. + +9. The name of the Copyright Holder may not be used to endorse or promote +products derived from this software without specific prior written permission. + +10. THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR +IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED +WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + + The End diff --git a/README b/README new file mode 100644 index 0000000..6c313d1 --- /dev/null +++ b/README @@ -0,0 +1,41 @@ +aleesa-craniac +------------------------------------------------------------------------------ +Бредогенератор, основанный на цепях Маркова. Попутно сохраняет состояние цепей +в sqlite-базу. Собственно, является "мозгом" aleesa bot-а. + +Механика работы +------------------------------------------------------------------------------ +Бредогенератор подписан на все каналы, попадающие под шаблон "craniac:*" (без +кавычек). Предполагается, что есть специальный канал "broadcast", на который +подписываются все модули и, если надо, ответ в такой канал получают все. + +Формат протокола - это json с полями: +from - модуль, который решил отправить запрос. +chatid - чат, из которого сделан вызов +userid - пользователь, на чью фразу мы отвечаем +message - оригинальный текст сообщения +plugin - плагин, нужный для генерации ответа +misc->{answer} - 1 - ждём ответа на запрос, 0 - не ждём ответа (данные для + добавления в цепи Маркова) + +N.B. +При запуске нового приложения, которое будет пользоваться этим +бредогенератором, оно должно "поприветствовать" craniac-а по всем каналам, для +того, чтобы сработала внутренняя логика и craniac подписался на новые каналы. +Если этого не сделать, то первое сообщение по новому каналу будет "проглочено" +и "потрачено" на подписку на этот канал. + + +Как это запустить? +------------------------------------------------------------------------------ +Понадобится perl, cpanm и local::lib, а также несколько разных devel-пакетов +для разных библиотек. Как правило, это находится методом тыка, но точно +понадобятся sqlite-devel, bdb-devel (или db-devel). Кроме того, понадобятся +development tools - gcc, gcc-g++, perl-devel, make, cmake и так далее. + +В каталоге с приложением под целевым пользователем запускаем bash bootstrap.sh +Ждём с надеждой, что оно не обломится в пути. + +Если всё хорошо, то после создания data/config.json из data/config_sample.json +и получения ключей и настройки модулей openweathermap и flickr, можно +запускать приложение. Оно запустится как unix daemon. diff --git a/bin/aleesa-craniac b/bin/aleesa-craniac new file mode 100755 index 0000000..219c570 --- /dev/null +++ b/bin/aleesa-craniac @@ -0,0 +1,197 @@ +#!/usr/bin/perl + +use 5.018; +use strict; +use warnings; +use utf8; +use open qw (:std :utf8); +use English qw ( -no_match_vars ); + +use version; our $VERSION = qw (1.0); + +my $workdir; + +# before we run, change working dir +BEGIN { + use Cwd qw (chdir abs_path); + my @CWD = split /\//xms, abs_path ($PROGRAM_NAME); + + if ($#CWD > 1) { + $#CWD = $#CWD - 2; + } + + $workdir = join '/', @CWD; + chdir $workdir; +} + +use lib ("$workdir/lib", "$workdir/vendor_perl", "$workdir/vendor_perl/lib/perl5"); +no Cwd; +use Cwd::utf8 qw (chdir abs_path); +use File::Basename qw (basename dirname); +use File::Path qw (make_path); +use Log::Any qw ($log); +use Log::Any::Adapter; +use Log::Any::For::Std; +use POSIX qw (setgid setuid setsid); +use Conf qw (LoadConf); +use Craniac qw (RunCraniac); + +sub daemonize; +sub __fork; +sub __signal_handler; + +local $OUTPUT_AUTOFLUSH = 1; +my $runAsUid = $UID; + +my $piddir = '/var/run/' . basename (abs_path ($PROGRAM_NAME)); +my $C = LoadConf (); +my $loglevel = $C->{'loglevel'} // 'notice'; +my $logfile; + +if (defined $C->{'log'}) { + $logfile = $C->{'log'}; +} elsif (defined $C->{'debug_log'}) { + $logfile = $C->{'debug_log'}; +} + +# if we run under root, create pid dir and set correct owner for it, same for debug log if it is defined +if ($UID == 0) { + my $user = $C->{user}; + + unless (defined $user) { + die "Unable to run as root, please define unprivileged user in config.json\n"; + } + + my ($uid, $gid) = (getpwnam $user)[2,3]; + + unless (-d $piddir) { + make_path ( + $piddir, { + uid => $uid, + group => $gid + } + ); + } + + if (defined $logfile) { + my $logdir = dirname $logfile; + + unless (-d $logdir) { + make_path ( + $logdir, { + uid => $uid, + group => $gid + } + ) or die "Unable to create $logdir: $OS_ERROR\n"; + } + } + +# drop privs + setgid ($gid) or die "Unable to switch to group of $user($OS_ERROR)\n"; + setuid ($uid) or die "Unable to switch to account $user($OS_ERROR)\n"; +} else { + $piddir = $workdir; +} + +if (defined $logfile) { + Log::Any::Adapter->set ('File', $logfile, log_level => $loglevel); + + # Some annoying CHI logging events come with category set to CHI::Driver and log_level set to debug. + # Until we use start using Log::Any native features and set whole loglevel accordingly, lets lower + # verbosity paticulary for CHI. + Log::Any::Adapter->set ( + { + category => 'CHI::Driver' + }, + 'File', + $logfile, + log_level => 'warn' + ); +} else { + Log::Any::Adapter->set ('File', '/dev/null'); +} + +# по-умолчанию, демонизируемся, если явно не указано, что этого делать не надо +if (defined ($c->{daemonize}) && $c->{daemonize}) { + daemonize (); +} elsif ( ! defined ($c->{daemonize})) { + daemonize (); +} + +# write pidfile +my $apath = abs_path $PROGRAM_NAME; + +unless (defined $apath) { + $log->fatal ("[FATAL] Unable to get abs_path: $OS_ERROR\n"); + exit 1; +}; + +my $pidfile = sprintf '%s/%s.pid', $piddir, basename $apath; +$log->info ("[INFO] Creating pidfile at $pidfile"); + +open my $MYPID, '>', $pidfile or do { + $log->fatal ("[FATAL] Error opening $pidfile: $OS_ERROR"); + exit 1; +}; + +print {$MYPID} $PID or do { + $log->fatal ("[FATAL] Error writing to $pidfile: $OS_ERROR"); + exit 1; +}; + +close $MYPID; ## no critic (InputOutput::RequireCheckedSyscalls + +local $SIG{INT} = \&__signal_handler; +local $SIG{TERM} = \&__signal_handler; + +# set correct proctitle +$PROGRAM_NAME = abs_path $PROGRAM_NAME; ## no critic (Variables::RequireLocalizedPunctuationVars) + +# run main app, at last +RunCraniac (); + +if (-f $pidfile) { + unlink $pidfile; +} + +exit 0; + +sub daemonize { + __fork (); + POSIX::setsid (); + open STDIN, '<', '/dev/null'; ## no critic (InputOutput::RequireCheckedSyscalls, InputOutput::RequireCheckedOpen) + # we handle STDOUT && STDERR via Log::Any::For::Std, so do not close them explicitly + #open STDOUT, '>', '/dev/null'; ## no critic (InputOutput::RequireCheckedSyscalls, InputOutput::RequireCheckedOpen) + #open STDERR, '>', '/dev/null'; ## no critic (InputOutput::RequireCheckedSyscalls, InputOutput::RequireCheckedOpen) + __fork (); + umask 0; + return; +} + +sub __fork { + my $pid = fork; + + unless (defined $pid) { + $log->fatal ("[FATAL] Can't fork: $OS_ERROR"); + exit 1; + } + + if ($pid != 0) { + exit; + } + + return; +} + +sub __signal_handler { + $log->info ("[INFO] Caught a signal $OS_ERROR"); + + if (-f $pidfile) { + unlink $pidfile; + } + + exit 0; +} + +__END__ +# vim: set ft=perl noet ai ts=4 sw=4 sts=4: diff --git a/bootstrap.sh b/bootstrap.sh new file mode 100644 index 0000000..eb5740a --- /dev/null +++ b/bootstrap.sh @@ -0,0 +1,5 @@ +#!/bin/bash + +cpanm -l vendor_perl --self-contained --force --installdeps . + +# vim: set ft=sh noet ai ts=4 sw=4 sts=4: diff --git a/cpanfile b/cpanfile new file mode 100644 index 0000000..bd70b8a --- /dev/null +++ b/cpanfile @@ -0,0 +1,18 @@ +requires 'Cwd'; +requires 'Cwd::utf8'; +requires 'DateTime'; +requires 'Digest::SHA'; +requires 'English'; +requires 'File::Basename'; +requires 'File::Path'; +requires 'Hailo'; +requires 'IO::Socket::SSL'; +requires 'local::lib'; +requires 'Log::Any'; +requires 'Log::Any::Adapter'; +requires 'Log::Any::For::Std'; +requires 'Math::Random::Secure'; +requires 'Mojo::IOLoop'; +requires 'Mojo::Redis'; +requires 'POSIX'; +requires 'Text::Fuzzy'; diff --git a/data/config_sample.json b/data/config_sample.json new file mode 100644 index 0000000..4957be3 --- /dev/null +++ b/data/config_sample.json @@ -0,0 +1,21 @@ +{ +# server address + "server" : "redis", + "port" : "6379", + +# should we fork() and become unix daemon? + "daemonize": 1, + +# where caches go there + "cachedir" : "data/cache", + +# unprivileged system user to run bot as + "user" : "nobody", + +# logs goes there + "log" : "/var/log/aleesa-craniac/aleesa-craniac.log", + "loglevel": "notice", + +# ditto + "pid" : "/var/run/aleesa-craniac/aleesa-craniac.pid", +} diff --git a/lib/Craniac.pm b/lib/Craniac.pm new file mode 100644 index 0000000..a448493 --- /dev/null +++ b/lib/Craniac.pm @@ -0,0 +1,206 @@ +package Craniac; + +# общие модули - синтаксис, кодировки итд +use 5.018; +use strict; +use warnings; +use utf8; +use open qw (:std :utf8); + +# модули для работы приложения +use Digest::SHA qw (sha1_base64); +use JSON::XS; +use Hailo; +use Log::Any qw ($log); +use Mojo::Redis; +use Mojo::IOLoop; +use Math::Random::Secure qw (irand); +use Text::Fuzzy qw (distance_edits); + +use version; our $VERSION = qw (1.0); +use Exporter qw (import); +our @EXPORT_OK = qw (RunCraniac); + +sub LoadConf (); +sub RandomCommonPhrase (); +sub utf2sha1 ($); +sub fmatch (@); +sub RunCraniac (); + +my $c = LoadConf (); +my $hailo; + +sub LoadConf { + my $cfg = 'data/config.json'; + open my $CH, '<', $c or die "[FATAL] No conf at $c: $OS_ERROR\n"; + my $len = (stat $cfg) [7]; + my $json; + my $readlen = read $CH, $json, $len; + + unless ($readlen) { + close $CH; ## no critic (InputOutput::RequireCheckedSyscalls + die "[FATAL] Unable to read $c: $OS_ERROR\n"; + } + + if ($readlen != $len) { + close $CH; ## no critic (InputOutput::RequireCheckedSyscalls + die "[FATAL] File $c is $len bytes on disk, but we read only $readlen bytes\n"; + } + + close $CH; ## no critic (InputOutput::RequireCheckedSyscalls + my $j = JSON::XS->new->utf8->relaxed; + return $j->decode ($json); +} + +sub RandomCommonPhrase () { + my @myphrase = ( + 'Так, блядь...', + '*Закатывает рукава* И ради этого ты меня позвал?', + 'Ну чего ты начинаешь, нормально же общались', + 'Повтори свой вопрос, не поняла', + 'Выйди и зайди нормально', + 'Я подумаю', + 'Даже не знаю что на это ответить', + 'Ты упал такие вопросы девочке задавать?', + 'Можно и так, но не уверена', + 'А как ты думаешь?', + ); + + return $myphrase[irand ($#myphrase + 1)]; +} + +sub utf2sha1 () { + my $string = shift; + + if ($string eq '') { + return sha1_base64 ''; + } + + my $bytes = encode_utf8 $string; + return sha1_base64 $bytes; +} + +sub fmatch (@) { + my $srcphrase = shift; + my $answer = shift; + + my ($distance, undef) = distance_edits ($srcphrase, $answer); + my $srcphraselen = length $srcphrase; + my $distance_max = int ($srcphraselen - ($srcphraselen * (100 - (90 / ($srcphraselen ** 0.5))) * 0.01)); + + if ($distance >= $distance_max) { + return 0; + } else { + return 1; + } +} + +# основной парсер +my $parse_message = sub { + my $self = shift; + my $m = shift; + my $answer = $m; + my $send_to = $answer->{from}; + my $chatid = $m->{chatid}; + + unless (defined $hailo->{$chatid}) { + my $cid = $chatid; + + # костыль, чтобы не портировать данные из телеграммных мозгов + unless ($m->{from} eq 'telegram') { + $cid = utf2sha1 ($chatid); + $cid =~ s/\//-/xmsg; + } + + my $brainname = sprintf '%s/%s.sqlite', $c->{braindir}, $cid; + + $hailo->{$chatid} = Hailo->new ( + brain => $brainname, + order => 3 + ); + + unless (defined $hailo->{$chatid}) { + $log->warn ($EVAL_ERROR); + return; + } + + $log->info (sprintf 'Lazy init brain: %s', $brainname); + } + + if ($m->{misc}->{answer}) { + + # пытаемся что-то генерировать, если фраза длиннее 3-х букв + if (length ($m->{message}) > 3) { + $answer->{message} = $hailo->{$chatid}->learn_reply ($m->{message}); + + # если из реактора вернулся undef выдаём "общую" фразу из словаря + unless (defined $answer->{message}) { + $answer->{message} = RandomCommonPhrase (); + } + + # если из реактора вернулась пустота выдаём "общую" фразу из словаря + if ($answer->{message} eq '') { + $answer->{message} = RandomCommonPhrase (); + } + + # если сгенерированная фраза слишком похожа на начальную - выдаём "общую" фразу из словаря + if (fmatch (lc ($m->{message}), lc($answer->{message}))) { + $answer->{message} = RandomCommonPhrase (); + } + + $self->json ($send_to)->notify ( + $send_to => { + from => $answer->{from}, + userid => $answer->{userid}, + chatid => $answer->{chatid}, + plugin => $answer->{plugin}, + message => $answer->{message} + } + ); + } + } else { + + # пытаемся что-то запоминать, если фраза длиннее 3-х букв + if (length ($m->{message}) > 3) { + $hailo->{$chatid}->learn ($m->{message}); + } + } + + return; +}; + +# main loop, он же event loop +sub RunCraniac { + my $redis = Mojo::Redis->new ( + sprintf 'redis://%s:%s/1', $c->{server}, $c->{port} + ); + + my $pubsub = $redis->pubsub; + my $sub; + + $pubsub->listen ( + # Вот такая ебическая конструкция для авто-подписывания на все новые каналы. + # Странное ограничение, при котором на шаблон каналов можно подписаться только, подписавшись на каждый из + # каналов. То есть подписка создаётся по запросу. В AnyEvent::Redis подписаться можно сразу на * :( + # Но конкретно в моём случае этот момент неважен, т.к. подразумевается, что каналы будут добавляться, но не + # будут убавляться. + 'craniac:*' => sub { + my ($ps, $channel) = @_ ; + + unless (defined $sub->{$channel}) { + $log->info ("Subscribing to $channel"); + + $sub->{$channel} = $ps->json ($channel)->listen ( + $channel => sub { $parse_message->(@_); } + ); + } + } + ); + + do { Mojo::IOLoop->start } until Mojo::IOLoop->is_running; + return; +} + +1; + +# vim: set ft=perl noet ai ts=4 sw=4 sts=4: