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52-chunked-upload.t
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52-chunked-upload.t
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#!/usr/bin/perl
use strict;
use Perlbal::Test;
use Perlbal::Test::WebServer;
use Perlbal::Test::WebClient;
use IO::Socket::INET;
use Test::More 'no_plan';
# setup webserver
my $web_port = start_webserver();
ok($web_port, 'webserver started');
# setup perlbal
my $port = new_port();
my $dir = tempdir();
my $conf = qq{
SERVER aio_mode = none
CREATE POOL a
POOL a ADD 127.0.0.1:$web_port
CREATE SERVICE test
SET role = reverse_proxy
SET pool = a
SET connect_ahead = 0
SET listen = 127.0.0.1:$port
SET persist_client = 1
SET buffer_uploads_path = $dir
SET buffer_uploads = 1
ENABLE test
};
my $msock = start_server($conf);
ok($msock, 'perlbal started');
ok(! buffer_file_exists(), "no files in buffer directory");
# setup data
my $data = 'x' x 1_000_000;
my ($curpos, $clen) = (0, 0);
my $req;
# disable all of it
request("buffer_off", 500_000,
"write:500",
"write:5",
"write:5",
"write:5",
"sleep:0.25",
"exists",
"write:100000",
"write:60000",
"write:1000",
"finish",
sub {
my ($res) = @_;
my $cont = $res->content;
like($cont, qr/length = 500000/, "backend got right content-length");
},
"empty");
sub buffer_file_exists {
opendir DIR, $dir
or die "can't open dir\n";
foreach (readdir(DIR)) {
next if /^\./;
return 1;
}
return 0;
}
# cmds can be:
# write:<length> writes <length> bytes
# sleep:<duration> sleeps <duration> seconds, may be fractional
# finish (sends any final writes and/or reads response)
# close close socket
# sub {} coderef to run. gets passed response object
# no-reason response has no reason
# reason:<reason> did buffering for either "size", "rate", or "time"
# empty No files in temp buffer location
# exists Yes, a temporary file exists
sub request {
my $testname = shift;
my $len = shift || 0;
my @cmds = @_;
my $curpos = 0;
my $remain = $len;
my $hdr = "POST /status HTTP/1.0\r\nTransfer-Encoding: chunked\r\nExpect: 100-continue\r\n\r\n";
my $sock = IO::Socket::INET->new( PeerAddr => "127.0.0.1:$port" )
or return undef;
my $rv = syswrite($sock, $hdr);
die unless $rv == length($hdr);
# wanting HTTP/1.1 100 Continue\r\n...\r\n lines
{
my $contline = <$sock>;
die "didn't get 100 Continue line, got: $contline"
unless $contline =~ m!^HTTP/1.1 100!;
my $gotempty = 0;
while (defined(my $line = <$sock>)) {
if ($line eq "\r\n") {
$gotempty = 1;
last;
}
}
die "didn't get empty line after 100 Continue" unless $gotempty;
}
my $res = undef; # no response yet
foreach my $cmd (@cmds) {
my $writelen;
if ($cmd =~ /^write:([\d_]+)/) {
$writelen = $1;
$writelen =~ s/_//g;
} elsif ($cmd =~ /^(\d+)/) {
$writelen = $1;
} elsif ($cmd eq "finish") {
$writelen = $remain;
}
if ($cmd =~ /^sleep:([\d\.]+)/) {
select undef, undef, undef, $1;
next;
}
if ($cmd eq "close") {
close($sock);
next;
}
if ($cmd eq "exists") {
ok(buffer_file_exists(), "$testname: buffer file exists");
next;
}
if ($cmd eq "empty") {
ok(! buffer_file_exists(), "$testname: no file");
next;
}
if ($writelen) {
die "Too long" if $writelen > $remain;
my $buf = "x" x $writelen;
$buf = sprintf("%x\r\n", $writelen) . $buf . "\r\n";
$remain -= $writelen;
if ($remain == 0) {
# one \r\n for chunk ending, one for chunked-body ending,
# after (our empty) trailer...
$buf .= "0\r\n\r\n";
}
my $bufsize = length($buf);
my $off = 0;
while ($off < $bufsize) {
my $rv = syswrite($sock, $buf, $bufsize-$off, $off);
die "Error writing: $!" unless defined $rv;
die "Got rv=0 from syswrite" unless $rv;
$off += $rv;
}
next unless $cmd eq "finish";
}
if ($cmd eq "finish") {
$res = resp_from_sock($sock);
my $clen = $res ? $res->header('Content-Length') : 0;
ok($res && length($res->content) == $clen, "$testname: good response");
next;
}
if (ref $cmd eq "CODE") {
$cmd->($res, $testname);
next;
}
die "Invalid command: $cmd\n";
}
}
# Try a 0 length chunked request, as it used to crash server
{
my $hdr = "POST /status HTTP/1.0\r\nTransfer-Encoding: chunked\r\n\r\n0\r\n\r\n";
my $sock = IO::Socket::INET->new( PeerAddr => "127.0.0.1:$port" )
or return undef;
my $rv = syswrite($sock, $hdr);
die unless $rv == length($hdr);
# Give it time to crash
select undef, undef, undef, 1.0;
my $sock2 = IO::Socket::INET->new( PeerAddr => "127.0.0.1:$port" );
ok ($sock2, 'Server still alive');
}
1;