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|
use strictures 1;
package Test::Irssi::Driver;
use Moose;
use lib $ENV{HOME} . "/projects/poe/lib";
#use MooseX::POE;
use POE qw( Wheel::ReadWrite Wheel::Run Filter::Stream );
use POSIX;
use feature qw/say/;
use Data::Dump qw/dump/;
has 'parent'
=> (
is => 'ro',
isa => 'Test::Irssi',
required => 1,
);
sub START {
my ($self, $kernel, $heap) = @_[OBJECT, KERNEL, HEAP];
$self->log("Start handler called");
$self->save_term_settings($heap);
# Set a signal handler.
$kernel->sig(CHLD => "got_sigchld");
$self->make_raw_terminal;
my @stdio_options =
(
InputHandle => \*STDIN,
OutputHandle => \*STDOUT,
InputEvent => "got_terminal_stdin",
Filter => POE::Filter::Stream->new(),
);
$self->log("stdio options: " . dump(@stdio_options));
# Start the terminal reader/writer.
$heap->{stdio} = POE::Wheel::ReadWrite->new(@stdio_options);
$self->log("Created stdio wheel");
my $rows = $self->parent->terminal_height;
my $cols = $self->parent->terminal_width;
my @program_options =
(
Program => $self->parent->irssi_binary,
ProgramArgs => ['--noconnect', '--home=' . $self->parent->irssi_homedir ],
Conduit => "pty",
Winsize => [$rows, $cols, 0, 0],
StdoutEvent => "got_child_stdout",
StdioFilter => POE::Filter::Stream->new(),
);
$self->log("wheel options: " . dump(@program_options));
# Start the asynchronous child process.
$heap->{program} = POE::Wheel::Run->new(@program_options);
$self->log("Created child run wheel");
}
sub STOP {
my ($self, $heap) = @_[OBJECT,HEAP];
$self->log("STOP called");
$self->restore_term_settings($heap);
$self->parent->_logfile_fh->close();
}
### Handle terminal STDIN. Send it to the background program's STDIN.
### If the user presses ^C, then echo a little string
sub terminal_stdin {
my ($self, $heap, $input) = @_[OBJECT, HEAP, ARG0];
if ($input =~ m/\003/g) {
$input = "/echo I like cakes\n";
} elsif ($input =~ m/\005/g) {
$self->log( $self->vt_dump());
} elsif ($input =~ m/\x17/g) {
$input = "/quit\n";
}
$heap->{program}->put($input);
}
# delegate to Callbacks.
sub vt_dump {
my ($self) = @_;
my $cb = $self->parent->_callbacks->vt_dump();
}
### Handle STDOUT from the child program.
sub child_stdout {
my ($self, $heap, $input) = @_[OBJECT, HEAP, ARG0];
# process via vt
$self->parent->vt->process($input);
# send to terminal
$heap->{stdio}->put($input);
}
### Handle SIGCHLD. Shut down if the exiting child process was the
### one we've been managing.
sub CHILD {
my ($self, $heap, $child_pid) = @_[OBJECT, HEAP, ARG1];
if ($child_pid == $heap->{program}->PID) {
delete $heap->{program};
delete $heap->{stdio};
}
return 0;
}
sub setup {
my $self = shift;
my @states =
(
object_states =>
[ $self =>
{
_start => 'START',
_stop => 'STOP',
got_terminal_stdin => 'terminal_stdin',
got_child_stdout => 'child_stdout',
got_sigchld => 'CHILD',
}
]
);
$self->log("creating root session");
POE::Session->create(@states);
$self->log("session created");
}
sub save_term_settings {
my ($self, $heap) = @_;
# Save the original terminal settings so they can be restored later.
$heap->{stdin_tio} = POSIX::Termios->new();
$heap->{stdin_tio}->getattr(0);
$heap->{stdout_tio} = POSIX::Termios->new();
$heap->{stdout_tio}->getattr(1);
$heap->{stderr_tio} = POSIX::Termios->new();
$heap->{stderr_tio}->getattr(2);
}
sub restore_term_settings {
my ($self, $heap) = @_;
$heap->{stdin_tio}->setattr (0, TCSANOW);
$heap->{stdout_tio}->setattr(1, TCSANOW);
$heap->{stderr_tio}->setattr(2, TCSANOW);
}
sub make_raw_terminal {
my ($self) = @_;
# Put the terminal into raw input mode. Otherwise discrete
# keystrokes will not be read immediately.
my $tio = POSIX::Termios->new();
$tio->getattr(0);
my $lflag = $tio->getlflag;
$lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL | ICANON | IEXTEN | ISIG);
$tio->setlflag($lflag);
my $iflag = $tio->getiflag;
$iflag &= ~(BRKINT | INPCK | ISTRIP | IXON);
$tio->setiflag($iflag);
my $cflag = $tio->getcflag;
$cflag &= ~(CSIZE | PARENB);
$tio->setcflag($cflag);
$tio->setattr(0, TCSANOW);
}
sub log {
my ($self, $msg) = @_;
my $fh = $self->parent->_logfile_fh;
$fh->say($msg);
}
__PACKAGE__->meta->make_immutable;
no Moose;
|
