use strict;
use IO::Socket::INET;
use IO::Socket::SSL;

if ( grep { $^O =~m{$_} } qw( MacOS VOS vmesa riscos amigaos ) ) {
    print "1..0 # Skipped: fork not implemented on this platform\n";
    exit
}

use vars qw( $SSL_SERVER_ADDR );
do "t/ssl_settings.req" || do "ssl_settings.req";

$|=1;
my @tests = qw( start stop start close );
print "1..16\n";

my $server = IO::Socket::INET->new(
    LocalAddr => $SSL_SERVER_ADDR,
    Listen => 2,
    ReuseAddr => 1,
) || die "not ok #tcp listen failed: $!\n";
print "ok #listen\n";
my ($SSL_SERVER_PORT) = unpack_sockaddr_in( $server->sockname );

defined( my $pid = fork() ) || die $!;
$pid ? server():client();
wait;
exit(0);


sub client {
    close($server);
    my $client = IO::Socket::INET->new( "$SSL_SERVER_ADDR:$SSL_SERVER_PORT" ) or
	die "not ok #client connect: $!\n";
    $client->autoflush;
    print "ok #client connect\n";

    for my $test (@tests) {
	alarm(15);
	#print STDERR "begin test $test\n";
	if ( $test eq 'start' ) {
	    print $client "start\n";
	    sleep(1); # avoid race condition, if client calls start but server is not yet available

	    #print STDERR ">>$$(client) start\n";
	    IO::Socket::SSL->start_SSL($client, SSL_verify_mode => 0 )
	    	|| die "not ok #client::start_SSL: $SSL_ERROR\n";
	    #print STDERR "<<$$(client) start\n";
	    print "ok # client::start_SSL\n";

	    ref($client) eq "IO::Socket::SSL" or print "not ";
	    print "ok #  client::class=".ref($client)."\n";

	} elsif ( $test eq 'stop' ) {
	    print $client "stop\n";
	    $client->stop_SSL || die "not ok #client::stop_SSL\n";
	    print "ok # client::stop_SSL\n";

	    ref($client) eq "IO::Socket::INET" or print "not ";
	    print "ok #  client::class=".ref($client)."\n";

	} elsif ( $test eq 'close' ) {
	    print $client "close\n";
	    my $class = ref($client);
	    $client->close || die "not ok # client::close\n";
	    print "ok # client::close\n";

	    ref($client) eq $class or print "not ";
	    print "ok #  client::class=".ref($client)."\n";
	    last;
	}
	#print STDERR "cont test $test\n";

	defined( my $line = <$client> ) or return;
	die "'$line'" if $line ne "OK\n";
    }
}


sub server {
    my $client = $server->accept || die $!;
    $client->autoflush;
    while (1) {
	alarm(15);
	defined( my $line = <$client> ) or last;
	chomp($line);
	if ( $line eq 'start' ) {
	    #print STDERR ">>$$ start\n";
	    IO::Socket::SSL->start_SSL( $client,
		SSL_server => 1,
		SSL_cert_file => "certs/client-cert.pem",
		SSL_key_file => "certs/client-key.pem"
	    ) || die "not ok #server::start_SSL: $SSL_ERROR\n";
	    #print STDERR "<<$$ start\n";

	    ref($client) eq "IO::Socket::SSL" or print "not ";
	    print "ok # server::class=".ref($client)."\n";
	    print $client "OK\n";
	
	} elsif ( $line eq 'stop' ) {
	    $client->stop_SSL || die "not ok #server::stop_SSL\n";
	    print "ok #server::stop_SSL\n";

	    ref($client) eq "IO::Socket::INET" or print "not ";
	    print "ok # class=".ref($client)."\n";
	    print $client "OK\n";

	} elsif ( $line eq 'close' ) {
	    my $class = ref($client);
	    $client->close || die "not ok #server::close\n";
	    print "ok #server::close\n";

	    ref($client) eq $class or print "not ";
	    print "ok # class=".ref($client)."\n";
	    last;
	}
    }
}