mirror of
https://github.com/pragma-/pbot.git
synced 2024-11-29 23:39:24 +01:00
Add ProcessManager and Modules
Improve everything to behave nicely with ProcessManager and Modules
This commit is contained in:
parent
f37dcaf7f9
commit
dc7cdd8a2c
@ -65,8 +65,6 @@ sub initialize {
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$self->{pbot}->{commands}->register(sub { $self->call_factoid(@_) }, "fact", 0);
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$self->{pbot}->{commands}->register(sub { $self->factfind(@_) }, "factfind", 0);
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$self->{pbot}->{commands}->register(sub { $self->top20(@_) }, "top20", 0);
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$self->{pbot}->{commands}->register(sub { $self->load_module(@_) }, "load", 1);
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$self->{pbot}->{commands}->register(sub { $self->unload_module(@_) }, "unload", 1);
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$self->{pbot}->{commands}->register(sub { $self->histogram(@_) }, "histogram", 0);
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$self->{pbot}->{commands}->register(sub { $self->count(@_) }, "count", 0);
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@ -1621,45 +1619,4 @@ sub factchange {
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return "Changed: $trigger_name is $action";
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}
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# FIXME: these two functions need to use $stuff->{arglist}
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sub load_module {
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my $self = shift;
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my ($from, $nick, $user, $host, $arguments) = @_;
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my $factoids = $self->{pbot}->{factoids}->{factoids};
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my ($keyword, $module) = $arguments =~ /^(.*?)\s+(.*)$/ if defined $arguments;
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if (not defined $module) {
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return "Usage: load <keyword> <module>";
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}
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if (not $factoids->exists('.*', $keyword)) {
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$self->{pbot}->{factoids}->add_factoid('module', '.*', "$nick!$user\@$host", $keyword, $module, 1);
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$factoids->set('.*', $keyword, 'add_nick', 1, 1);
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$factoids->set('.*', $keyword, 'nooverride', 1);
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$self->{pbot}->{logger}->log("$nick!$user\@$host loaded module $keyword => $module\n");
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return "Loaded module $keyword => $module";
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} else {
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return 'There is already a keyword named ' . $factoids->get_data('.*', $keyword, '_name') . '.';
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}
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}
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sub unload_module {
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my $self = shift;
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my ($from, $nick, $user, $host, $arguments) = @_;
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my $factoids = $self->{pbot}->{factoids}->{factoids};
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if (not defined $arguments) {
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return "Usage: unload <keyword>";
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} elsif (not $factoids->exists('.*', $arguments)) {
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return "/say $arguments not found.";
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} elsif ($factoids->get_data('.*', $arguments, 'type') ne 'module') {
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return "/say " . $factoids->get_data('.*', $arguments, '_name') . ' is not a module.';
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} else {
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my $name = $factoids->get_data('.*', $arguments, '_name');
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$factoids->remove('.*', $arguments);
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$self->{pbot}->{logger}->log("$nick!$user\@$host unloaded module $arguments\n");
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return "/say $name unloaded.";
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}
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}
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1;
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@ -707,7 +707,7 @@ sub execute_code_factoid_using_vm {
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$stuff->{arguments} = $json;
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$stuff->{args_utf8} = 1;
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$self->{pbot}->{process_manager}->execute_module($stuff);
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$self->{pbot}->{modules}->execute_module($stuff);
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return "";
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}
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@ -1033,7 +1033,7 @@ sub handle_action {
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$stuff->{root_keyword} = $keyword unless defined $stuff->{root_keyword};
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$stuff->{root_channel} = $channel;
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my $result = $self->{pbot}->{process_manager}->execute_module($stuff);
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my $result = $self->{pbot}->{modules}->execute_module($stuff);
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if (length $result) {
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return $ref_from . $result;
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} else {
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@ -210,6 +210,8 @@ sub interpret {
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}
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my $cmdlist = $self->make_args($stuff->{command});
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$stuff->{commands} = [] unless exists $stuff->{commands};
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push @{$stuff->{commands}}, $stuff->{command};
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if ($self->arglist_size($cmdlist) >= 4 and lc $cmdlist->[0] eq 'tell' and (lc $cmdlist->[2] eq 'about' or lc $cmdlist->[2] eq 'the')) {
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# tell nick about/the cmd [args]
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@ -245,6 +247,8 @@ sub interpret {
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push @{$stuff->{subcmd}}, "$keyword $arguments";
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$command =~ s/^\s+|\s+$//g;
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$stuff->{command} = $command;
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$stuff->{commands} = [];
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push @{$stuff->{commands}}, $command;
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$stuff->{result} = $self->interpret($stuff);
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return $stuff->{result};
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}
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138
PBot/Modules.pm
Normal file
138
PBot/Modules.pm
Normal file
@ -0,0 +1,138 @@
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# File: Modules.pm
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# Author: pragma_
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package PBot::Modules;
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use parent 'PBot::Class';
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use warnings; use strict;
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use feature 'unicode_strings';
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use IPC::Run qw/run timeout/;
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use Encode;
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sub initialize {
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my ($self, %conf) = @_;
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$self->{pbot}->{commands}->register(sub { $self->load_cmd(@_) }, "load", 1);
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$self->{pbot}->{commands}->register(sub { $self->unload_cmd(@_) }, "unload", 1);
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}
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sub load_cmd {
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my ($self, $from, $nick, $user, $host, $arguments, $stuff) = @_;
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my $factoids = $self->{pbot}->{factoids}->{factoids};
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my ($keyword, $module) = $self->{pbot}->{interpreter}->split_args($stuff->{arglist}, 2);
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return "Usage: load <keyword> <module>" if not defined $module;
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if ($factoids->exists('.*', $keyword)) {
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return 'There is already a keyword named ' . $factoids->get_data('.*', $keyword, '_name') . '.';
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}
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$self->{pbot}->{factoids}->add_factoid('module', '.*', "$nick!$user\@$host", $keyword, $module, 1);
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$factoids->set('.*', $keyword, 'add_nick', 1, 1);
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$factoids->set('.*', $keyword, 'nooverride', 1);
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$self->{pbot}->{logger}->log("$nick!$user\@$host loaded module $keyword => $module\n");
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return "Loaded module $keyword => $module";
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}
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sub unload_cmd {
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my ($self, $from, $nick, $user, $host, $arguments, $stuff) = @_;
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my $module = $self->{pbot}->{interpreter}->shift_arg($stuff->{arglist});
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return "Usage: unload <keyword>" if not defined $module;
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my $factoids = $self->{pbot}->{factoids}->{factoids};
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return "/say $module not found." if not $factoids->exists('.*', $module);
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if ($factoids->get_data('.*', $module, 'type') ne 'module') {
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return "/say " . $factoids->get_data('.*', $module, '_name') . ' is not a module.';
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}
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my $name = $factoids->get_data('.*', $module, '_name');
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$factoids->remove('.*', $module);
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$self->{pbot}->{logger}->log("$nick!$user\@$host unloaded module $module\n");
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return "/say $name unloaded.";
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}
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sub execute_module {
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my ($self, $stuff) = @_;
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my $text;
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if ($self->{pbot}->{registry}->get_value('general', 'debugcontext')) {
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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$self->{pbot}->{logger}->log("execute_module\n");
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$self->{pbot}->{logger}->log(Dumper $stuff);
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}
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$self->{pbot}->{process_manager}->execute_process($stuff, sub { $self->launch_module(@_) });
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}
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sub launch_module {
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my ($self, $stuff) = @_;
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$stuff->{arguments} = "" if not defined $stuff->{arguments};
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my @factoids = $self->{pbot}->{factoids}->find_factoid($stuff->{from}, $stuff->{keyword}, exact_channel => 2, exact_trigger => 2);
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if (not @factoids or not $factoids[0]) {
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$stuff->{checkflood} = 1;
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$self->{pbot}->{interpreter}->handle_result($stuff, "/msg $stuff->{nick} Failed to find module for '$stuff->{keyword}' in channel $stuff->{from}\n");
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return;
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}
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my ($channel, $trigger) = ($factoids[0]->[0], $factoids[0]->[1]);
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$stuff->{channel} = $channel;
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$stuff->{keyword} = $trigger;
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$stuff->{trigger} = $trigger;
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my $module = $self->{pbot}->{factoids}->{factoids}->get_data($channel, $trigger, 'action');
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$self->{pbot}->{logger}->log("(" . (defined $stuff->{from} ? $stuff->{from} : "(undef)") . "): $stuff->{nick}!$stuff->{user}\@$stuff->{host}: Executing module [$stuff->{command}] $module $stuff->{arguments}\n");
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$stuff->{arguments} = $self->{pbot}->{factoids}->expand_special_vars($stuff->{from}, $stuff->{nick}, $stuff->{root_keyword}, $stuff->{arguments});
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my $module_dir = $self->{pbot}->{registry}->get_value('general', 'module_dir');
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if (not chdir $module_dir) {
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$self->{pbot}->{logger}->log("Could not chdir to '$module_dir': $!\n");
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Carp::croak("Could not chdir to '$module_dir': $!");
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}
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if ($self->{pbot}->{factoids}->{factoids}->exists($channel, $trigger, 'workdir')) {
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chdir $self->{pbot}->{factoids}->{factoids}->get_data($channel, $trigger, 'workdir');
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}
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# FIXME -- add check to ensure $module exists
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my ($exitval, $stdout, $stderr) = eval {
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my $args = $stuff->{arguments};
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if (not $stuff->{args_utf8}) {
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$args = encode('UTF-8', $args);
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}
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my @cmdline = ("./$module", $self->{pbot}->{interpreter}->split_line($args));
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my $timeout = $self->{pbot}->{registry}->get_value('general', 'module_timeout') // 30;
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my ($stdin, $stdout, $stderr);
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run \@cmdline, \$stdin, \$stdout, \$stderr, timeout($timeout);
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my $exitval = $? >> 8;
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utf8::decode($stdout);
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utf8::decode($stderr);
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return ($exitval, $stdout, $stderr);
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};
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if ($@) {
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my $error = $@;
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if ($error =~ m/timeout on timer/) {
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($exitval, $stdout, $stderr) = (-1, "$stuff->{trigger}: timed-out", '');
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} else {
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($exitval, $stdout, $stderr) = (-1, '', $error);
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}
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}
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if (length $stderr) {
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if (open(my $fh, '>>', "$module-stderr")) {
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print $fh $stderr;
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close $fh;
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} else {
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$self->{pbot}->{logger}->log("Failed to open $module-stderr: $!\n");
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}
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}
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$stuff->{result} = $stdout;
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chomp $stuff->{result};
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}
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1;
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@ -43,10 +43,11 @@ use PBot::IgnoreList;
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use PBot::BlackList;
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use PBot::Timer;
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use PBot::Refresher;
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use PBot::Plugins;
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use PBot::WebPaste;
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use PBot::Utils::ParseDate;
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use PBot::Plugins;
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use PBot::Functions;
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use PBot::Modules;
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use PBot::ProcessManager;
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sub new {
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@ -147,6 +148,7 @@ sub initialize {
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$self->{logger}->log("plugin_dir: $plugin_dir\n");
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$self->{timer} = PBot::Timer->new(pbot => $self, timeout => 10, %conf);
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$self->{modules} = PBot::Modules->new(pbot => $self, %conf);
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$self->{functions} = PBot::Functions->new(pbot => $self, %conf);
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$self->{refresher} = PBot::Refresher->new(pbot => $self);
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@ -1,20 +1,19 @@
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# File: FactoidModuleLauncher.pm
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# File: ProcessManager.pm
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# Author: pragma_
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#
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# Purpose: Handles forking and execution of module processes
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# Purpose: Handles forking and execution of module/subroutine processes
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package PBot::FactoidModuleLauncher;
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package PBot::ProcessManager;
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use parent 'PBot::Class';
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use warnings; use strict;
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use feature 'unicode_strings';
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use POSIX qw(WNOHANG);
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use Text::Balanced qw(extract_delimited);
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use JSON;
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use IPC::Run qw/run timeout/;
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use Encode;
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@ -24,47 +23,50 @@ $SIG{CHLD} = sub { while (waitpid(-1, WNOHANG) > 0) {} };
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sub initialize {
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my ($self, %conf) = @_;
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$self->{pbot}->{commands}->register(sub { $self->ps_cmd(@_) }, 'ps', 0);
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$self->{pbot}->{commands}->register(sub { $self->kill_cmd(@_) }, 'kill', 1);
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$self->{processes} = {};
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}
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sub execute_module {
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my ($self, $stuff) = @_;
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my $text;
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if ($self->{pbot}->{registry}->get_value('general', 'debugcontext')) {
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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$self->{pbot}->{logger}->log("FML::execute_module\n");
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$self->{pbot}->{logger}->log(Dumper $stuff);
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sub ps_cmd {
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my ($self, $from, $nick, $user, $host, $arguments, $stuff) = @_;
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my @processes;
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foreach my $pid (sort keys %{$self->{processes}}) {
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push @processes, "$pid: $self->{processes}->{$pid}->{commands}->[0]";
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}
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if (@processes) {
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return "Running processes: ", join '; ', @processes;
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} else {
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return "No running processes.";
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}
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}
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$stuff->{arguments} = "" if not defined $stuff->{arguments};
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my @factoids = $self->{pbot}->{factoids}->find_factoid($stuff->{from}, $stuff->{keyword}, exact_channel => 2, exact_trigger => 2);
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if (not @factoids or not $factoids[0]) {
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$stuff->{checkflood} = 1;
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$self->{pbot}->{interpreter}->handle_result($stuff, "/msg $stuff->{nick} Failed to find module for '$stuff->{keyword}' in channel $stuff->{from}\n");
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return;
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sub kill_cmd {
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my ($self, $from, $nick, $user, $host, $arguments, $stuff) = @_;
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return "Coming soon.";
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}
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my ($channel, $trigger) = ($factoids[0]->[0], $factoids[0]->[1]);
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sub add_process {
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my ($self, $pid, $stuff) = @_;
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$self->{processes}->{$pid} = $stuff;
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}
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$stuff->{channel} = $channel;
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$stuff->{keyword} = $trigger;
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$stuff->{trigger} = $trigger;
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sub remove_process {
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my ($self, $pid) = @_;
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delete $self->{processes}->{$pid};
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}
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my $module = $self->{pbot}->{factoids}->{factoids}->get_data($channel, $trigger, 'action');
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my $module_dir = $self->{pbot}->{registry}->get_value('general', 'module_dir');
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sub execute_subroutine {
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}
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$self->{pbot}->{logger}->log("(" . (defined $stuff->{from} ? $stuff->{from} : "(undef)") . "): $stuff->{nick}!$stuff->{user}\@$stuff->{host}: Executing module [$stuff->{command}] $module $stuff->{arguments}\n");
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$stuff->{arguments} = $self->{pbot}->{factoids}->expand_special_vars($stuff->{from}, $stuff->{nick}, $stuff->{root_keyword}, $stuff->{arguments});
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sub execute_process {
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my ($self, $stuff, $subref) = @_;
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pipe(my $reader, my $writer);
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my $pid = fork;
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if (not defined $pid) {
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$self->{pbot}->{logger}->log("Could not fork module: $!\n");
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$self->{pbot}->{logger}->log("Could not fork process: $!\n");
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close $reader;
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close $writer;
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$stuff->{checkflood} = 1;
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@ -72,8 +74,6 @@ sub execute_module {
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return;
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}
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# FIXME -- add check to ensure $module exists
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if ($pid == 0) { # start child block
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close $reader;
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@ -82,72 +82,40 @@ sub execute_module {
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*PBot::IRC::Connection::DESTROY = sub { return; };
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use warnings;
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if (not chdir $module_dir) {
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$self->{pbot}->{logger}->log("Could not chdir to '$module_dir': $!\n");
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Carp::croak("Could not chdir to '$module_dir': $!");
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}
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if ($self->{pbot}->{factoids}->{factoids}->exists($channel, $trigger, 'workdir')) {
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chdir $self->{pbot}->{factoids}->{factoids}->get_data($channel, $trigger, 'workdir');
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}
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my ($exitval, $stdout, $stderr) = eval {
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my $args = $stuff->{arguments};
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if (not $stuff->{args_utf8}) {
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$args = encode('UTF-8', $args);
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}
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my @cmdline = ("./$module", $self->{pbot}->{interpreter}->split_line($args));
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my $timeout = $self->{pbot}->{registry}->get_value('general', 'module_timeout') // 30;
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my ($stdin, $stdout, $stderr);
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run \@cmdline, \$stdin, \$stdout, \$stderr, timeout($timeout);
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my $exitval = $? >> 8;
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utf8::decode($stdout);
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utf8::decode($stderr);
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return ($exitval, $stdout, $stderr);
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};
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# execute the provided subroutine, results are stored in $stuff
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eval { $subref->($stuff) };
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|
||||
# check for errors
|
||||
if ($@) {
|
||||
my $error = $@;
|
||||
if ($error =~ m/timeout on timer/) {
|
||||
($exitval, $stdout, $stderr) = (-1, "$stuff->{trigger}: timed-out", '');
|
||||
} else {
|
||||
($exitval, $stdout, $stderr) = (-1, '', $error);
|
||||
}
|
||||
$self->{pbot}->{logger}->log("Error executing process: $@\n");
|
||||
}
|
||||
|
||||
if (length $stderr) {
|
||||
if (open(my $fh, '>>', "$module-stderr")) {
|
||||
print $fh $stderr;
|
||||
close $fh;
|
||||
} else {
|
||||
$self->{pbot}->{logger}->log("Failed to open $module-stderr: $!\n");
|
||||
}
|
||||
}
|
||||
|
||||
$stuff->{result} = $stdout;
|
||||
chomp $stuff->{result};
|
||||
|
||||
# print $stuff to pipe
|
||||
my $json = encode_json $stuff;
|
||||
print $writer "$json\n";
|
||||
|
||||
# end child
|
||||
exit 0;
|
||||
} # end child block
|
||||
else {
|
||||
} else {
|
||||
# parent
|
||||
close $writer;
|
||||
$self->{pbot}->{select_handler}->add_reader($reader, sub { $self->module_pipe_reader(@_) });
|
||||
$self->add_process($pid, $stuff);
|
||||
$self->{pbot}->{select_handler}->add_reader($reader, sub { $self->process_pipe_reader($pid, @_) });
|
||||
# return empty string since reader will handle the output when child is finished
|
||||
return "";
|
||||
}
|
||||
}
|
||||
|
||||
sub module_pipe_reader {
|
||||
my ($self, $buf) = @_;
|
||||
|
||||
sub process_pipe_reader {
|
||||
my ($self, $pid, $buf) = @_;
|
||||
$self->remove_process($pid);
|
||||
my $stuff = decode_json $buf or do {
|
||||
$self->{pbot}->{logger}->log("Failed to decode bad json: [$buf]\n");
|
||||
return;
|
||||
};
|
||||
|
||||
if (not defined $stuff->{result} or not length $stuff->{result}) {
|
||||
$self->{pbot}->{logger}->log("No result from module.\n");
|
||||
$self->{pbot}->{logger}->log("No result from process.\n");
|
||||
return;
|
||||
}
|
||||
|
||||
@ -158,9 +126,7 @@ sub module_pipe_reader {
|
||||
if (exists $stuff->{special} and $stuff->{special} eq 'code-factoid') {
|
||||
$stuff->{result} =~ s/\s+$//g;
|
||||
$self->{pbot}->{logger}->log("No text result from code-factoid.\n") and return if not length $stuff->{result};
|
||||
|
||||
$stuff->{original_keyword} = $stuff->{root_keyword};
|
||||
|
||||
$stuff->{result} = $self->{pbot}->{factoids}->handle_action($stuff, $stuff->{result});
|
||||
}
|
||||
|
||||
|
@ -64,7 +64,7 @@ sub datecmd {
|
||||
keyword => "date_module", arguments => "$timezone"
|
||||
};
|
||||
|
||||
$self->{pbot}->{factoids}->{factoidmodulelauncher}->execute_module($newstuff);
|
||||
$self->{pbot}->{modules}->execute_module($newstuff);
|
||||
}
|
||||
|
||||
1;
|
||||
|
@ -74,7 +74,7 @@ sub show_url_titles {
|
||||
keyword => "title", arguments => "$nick $url"
|
||||
};
|
||||
|
||||
$self->{pbot}->{factoids}->{factoidmodulelauncher}->execute_module($stuff);
|
||||
$self->{pbot}->{modules}->execute_module($stuff);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
|
Loading…
Reference in New Issue
Block a user