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# Use case: client connect to tr/x/y/ server and send/recv a lot of data.
# Use case: client connect to tr/x/y/ server using tr/y/z/ proxy and
# send/recv a lot of data.
use warnings;
use strict;
use lib 't';
use share;
my $SIZE = 204800;
use constant ACCEPTED => 123;
@CheckPoint = (
# first test: client connect to server without proxy
['listener_server', ACCEPTED ], 'server: new client',
((
['server', IN ], 'server: IN',
['server', ('x' x BUFSIZE) ], ' received "xxx..."',
) x ($SIZE/BUFSIZE)),
['server', SENT ], 'server: SENT',
['client', EOF ], 'client: EOF',
['client', ('y' x $SIZE) ], ' received "yyyyyyyyy..."',
# second test: client connect to server using proxy
['listener_proxy', ACCEPTED ], 'proxy: new client',
{
win32_somefreebsd => [
['listener_server', ACCEPTED ], 'server: new client',
['proxy2server', CONNECTED ], 'proxy2server: CONNECTED',
],
other => [
['proxy2server', CONNECTED ], 'proxy2server: CONNECTED',
['listener_server', ACCEPTED ], 'server: new client',
],
},
((
['server', IN ], 'server: IN',
['server', ('x' x BUFSIZE) ], ' received "xxx..."',
) x ($SIZE/BUFSIZE)),
['server', SENT ], 'server: SENT',
['proxy2server', EOF ], 'proxy2server: EOF',
['client2', EOF ], 'client2: EOF',
['client2', ('z' x $SIZE) ], ' received "zzzzzzzzz..."',
);
plan tests =>
2 # {is_eof} tests in client() and client2()
+ checkpoint_count();
my $srv_sock = tcp_server('127.0.0.1', 0);
my $srv_w = EV::io($srv_sock, EV::READ, \&listener_server);
my $prx_sock = tcp_server('127.0.0.1', 0);
my $prx_w = EV::io($prx_sock, EV::READ, \&listener_proxy);
sub new_client {
my ($port, $cb) = @_;
IO::Stream->new({
host => '127.0.0.1',
port => $port,
cb => $cb,
wait_for => EOF,
out_buf => ('x' x $SIZE),
in_buf_limit=> 0,
});
}
new_client(sockport($srv_sock), \&client);
EV::loop;
sub listener_server {
if (accept my $sock, $srv_sock) {
checkpoint(ACCEPTED);
IO::Stream->new({
fh => $sock,
cb => \&server,
wait_for => IN,
});
}
elsif ($! != EAGAIN) {
die "accept: $!\n";
}
}
sub server {
my ($io, $e, $err) = @_;
die "server error: $err\n" if $err;
checkpoint($e);
if ($e & IN) {
checkpoint($io->{in_buf});
if ($io->{in_bytes} == $SIZE) {
$io->{wait_for} = SENT;
}
$io->write('y' x length $io->{in_buf});
$io->{in_buf} = q{};
}
if ($e & SENT) {
$io->close();
}
}
sub listener_proxy {
if (accept my $sock, $prx_sock) {
checkpoint(ACCEPTED);
IO::Stream->new({
host => '127.0.0.1',
port => sockport($srv_sock),
cb => \&proxy2server,
wait_for => CONNECTED|IN|EOF,
Client => undef,
ClientSock => $sock,
});
}
elsif ($! != EAGAIN) {
die "accept: $!\n";
}
}
sub proxy2server {
my ($io, $e, $err) = @_;
die "proxy2server error: $err\n" if $err;
checkpoint($e)
if $e != IN && $e != SENT;
if ($e & CONNECTED) {
$io->{Client} = IO::Stream->new({
fh => $io->{ClientSock},
cb => \&proxy2client,
wait_for => IN,
Server => $io,
});
weaken($io->{Client}->{Server});
weaken($io->{Client});
}
if ($e & SENT) {
shutdown $io->{fh}, 1;
}
if ($e & IN) {
$io->{in_buf} =~ s/y/z/g;
if ($io->{in_bytes} == $SIZE) {
$io->{Client}->{wait_for} |= SENT;
}
$io->{Client}->write($io->{in_buf});
$io->{in_buf} = q{};
}
if ($e & EOF) {
$io->close();
}
}
sub proxy2client {
my ($io, $e, $err) = @_;
die "proxy2client error: $err\n" if $err;
checkpoint($e)
if $e != IN && $e != SENT;
if ($e & IN) {
if ($io->{in_bytes} == $SIZE) {
$io->{Server}->{wait_for} |= SENT;
}
$io->{Server}->write($io->{in_buf});
$io->{in_buf} = q{};
}
if ($e & SENT) {
$io->close();
}
}
sub client {
my ($io, $e, $err) = @_;
die "client error: $err\n" if $err;
checkpoint($e);
checkpoint($io->{in_buf});
ok($io->{is_eof}, ' {is_eof} set');
$io->close();
new_client(sockport($prx_sock), \&client2);
}
sub client2 {
my ($io, $e, $err) = @_;
die "client2 error: $err\n" if $err;
checkpoint($e);
checkpoint($io->{in_buf});
ok($io->{is_eof}, ' {is_eof} set');
$io->close();
EV::unloop;
}
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