#!/usr/bin/perl --
use strict;
use warnings;
use threads stack_size => 4096;
use IO::Socket::INET;
use Time::HiRes qw/ usleep /;
use Data::Dump qw/ dd /;

Main( @ARGV );
exit( 0 );

sub Main {
    my $host = "localhost:" . int( rand 99999 );
    Dodo( $host, 'IO::Socket::INET' );    ## "works"
##    Dodo( $host, 'IO::Socket::SSL' ); use IO::Socket::SSL; ## "doesn
+'t"
} ## end sub Main

sub Dodo {
    my( $host, $socktype ) = @_;
    async( \&Server, $host, $socktype );
    sleep 1;
    my $socket = $socktype->new(
        Proto    => "tcp",
        PeerHost => $host,
    ) or die "Cannot start client : $!\n  $@\n ";
    $socket->blocking( 0 );
    async( \&Reader, $socket );
    async( \&Writer, $socket );
    $_->join for threads->list;
} ## end sub Dodo

sub Server {
    my( $host, $socktype ) = @_;
    my $tid = threads->tid;
    use Time::HiRes qw/ usleep /;
    my $server = $socktype->new(
        Proto     => "tcp",
        LocalHost => $host,
        Listen    => 1,
        Reuse     => 1,
    ) or die "Cannot start tcp server: $!\n  $@\n ";

    dd "listening on $host\n";
    sleep 1;
    my $client = $server->accept();
    while( <$client> ) {
        dd "echo reader($tid) $_";
        print $client "echo reader($tid) $_";
        last if /exit/i;
    } ## end while( <$client> )
} ## end sub Server

sub Writer {
    my( $socket ) = @_;
    my $tid = threads->tid;

    for( 1 .. 20 ) {
        usleep 2000 * rand( 500 );    # 2000 sleep for 2 millisecond
        $socket->print( "writer($tid) " . scalar( gmtime ) . "\n" );
    } ## end for( 1 .. 20 )
    $socket->shutdown( 1 );           ## done writing
} ## end sub Writer

sub Reader {
    my( $socket ) = @_;
    my $tid       = threads->tid;
    my $read      = 0;
    while( $read < 1000 ) {
        my $readed = $socket->sysread( my $line, 51 );
        next if !$readed;
        $read += $readed;
        dd "holymolyreaded($read/$readed) $line";
        usleep 2000 * rand( 500 );
    } ## end while( $read < 1000 )
    $socket->print( "reader($tid) " . scalar( gmtime ) . " exit\n" );
} ## end sub Reader

__END__
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