forked from jrockway/app-persistent
/
pclient.pl
81 lines (75 loc) · 1.89 KB
/
pclient.pl
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#!/usr/bin/perl
use v5.10;
use strict;
use warnings;
use Socket;
use JSON::XS;
use Term::ReadKey;
use Data::Dumper;
use Cwd qw(getcwd);
my $ARG_name = "pserver";
my $ARG_socket;
# anything between +PC and -PC is for us, everything else is for them
my (@args) = @ARGV;
my @argv;
while (@args) {
my $arg = shift @args;
if ($arg eq '+PC') {
while (@args || die("+PC must be closed by -PC\n") and (my $arg = shift(@args)) ne '-PC') {
if ($arg eq '--name') {
$ARG_name = shift(@args);
} elsif ($arg eq '--socket') {
$ARG_socket = shift(@args);
}
}
} else {
push(@argv,$arg);
}
}
my $socket_name = $ARG_socket // "/tmp/pserver-$ENV{USER}/$ARG_name";
socket(SERVER,PF_UNIX,SOCK_STREAM,0);
connect(SERVER, sockaddr_un($socket_name));
sub input {
my ($rin,$win,$ein);
$rin = $win = $ein = '';
vec($rin,fileno(SERVER),1) = 1;
$ein = $rin | $win;
my $select = select($rin,$win,$ein,0);
$select;
}
sub command {
my ($command) = shift;
print SERVER encode_json($command)."\n";
}
my $oldfh = select(SERVER);
$| = 1;
select($oldfh);
command {ProgramName => "pserver"};
command {CommandLineArgs => \@argv};
my @env;
while (my ($k,$v) = each %ENV) {
push @env,[$k,$v];
}
command {Environment=>\@env};
command {Capabilities=>['Dumb']};
command {WorkingDirectory=>getcwd};
ReadMode 4;
while (1) {
while (input()) {
my $input = decode_json(scalar <SERVER>);
if (defined $input->{NormalOutput}) {
print $input->{NormalOutput};
} elsif (defined $input->{Exit}) {
exit $input->{Exit};
} elsif (defined $input->{ErrorOutput}) {
print STDERR $input->{ErrorOutput};
} else {
print Dumper($input);
}
}
my $key = ReadKey -1;
if (defined $key) {
command {KeyPress=>$key};
}
}
END { ReadMode 0 }