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#!/usr/bin/perl
# (C) Sergey Kandaurov
# (C) Nginx, Inc.
# Tests for HTTP/2 protocol [RFC7540].
###############################################################################
use warnings;
use strict;
use Test::More;
use Socket qw/ CRLF /;
BEGIN { use FindBin; chdir($FindBin::Bin); }
use lib 'lib';
use Test::Nginx;
use Test::Nginx::HTTP2;
###############################################################################
select STDERR; $| = 1;
select STDOUT; $| = 1;
my $t = Test::Nginx->new()->has(qw/http http_v2 proxy rewrite charset gzip/)
->plan(142);
$t->write_file_expand('nginx.conf', <<'EOF');
%%TEST_GLOBALS%%
daemon off;
events {
}
http {
%%TEST_GLOBALS_HTTP%%
http2 on;
server {
listen 127.0.0.1:8080;
listen 127.0.0.1:8081;
server_name localhost;
location / {
add_header X-Header X-Foo;
add_header X-Sent-Foo $http_x_foo;
add_header X-Referer $http_referer;
return 200 'body';
}
location /t {
}
location /gzip.html {
gzip on;
gzip_min_length 0;
gzip_vary on;
alias %%TESTDIR%%/t2.html;
}
location /frame_size {
http2_chunk_size 64k;
alias %%TESTDIR%%;
output_buffers 2 1m;
}
location /chunk_size {
http2_chunk_size 1;
return 200 'body';
}
location /redirect {
error_page 405 /;
return 405;
}
location /return301 {
return 301;
}
location /return301_absolute {
return 301 text;
}
location /return301_relative {
return 301 /;
}
location /charset {
charset utf-8;
return 200;
}
}
server {
listen 127.0.0.1:8082;
server_name localhost;
return 200 first;
}
server {
listen 127.0.0.1:8082;
server_name localhost2;
return 200 second;
}
server {
listen 127.0.0.1:8083;
server_name localhost;
http2_max_concurrent_streams 1;
}
server {
listen 127.0.0.1:8086;
server_name localhost;
send_timeout 1s;
lingering_close off;
}
server {
listen 127.0.0.1:8087;
server_name localhost;
client_header_timeout 1s;
client_body_timeout 1s;
lingering_close off;
location / { }
location /proxy/ {
proxy_pass http://127.0.0.1:8081/;
}
}
}
EOF
$t->run();
# file size is slightly beyond initial window size: 2**16 + 80 bytes
$t->write_file('t1.html',
join('', map { sprintf "X%04dXXX", $_ } (1 .. 8202)));
$t->write_file('tbig.html',
join('', map { sprintf "XX%06dXX", $_ } (1 .. 500000)));
$t->write_file('t2.html', 'SEE-THIS');
###############################################################################
# SETTINGS
my $s = Test::Nginx::HTTP2->new(port(8080), pure => 1);
my $frames = $s->read(all => [
{ type => 'WINDOW_UPDATE' },
{ type => 'SETTINGS'}
]);
my ($frame) = grep { $_->{type} eq 'WINDOW_UPDATE' } @$frames;
ok($frame, 'WINDOW_UPDATE frame');
is($frame->{flags}, 0, 'WINDOW_UPDATE zero flags');
is($frame->{sid}, 0, 'WINDOW_UPDATE zero sid');
is($frame->{length}, 4, 'WINDOW_UPDATE fixed length');
($frame) = grep { $_->{type} eq 'SETTINGS' } @$frames;
ok($frame, 'SETTINGS frame');
is($frame->{flags}, 0, 'SETTINGS flags');
is($frame->{sid}, 0, 'SETTINGS stream');
$s->h2_settings(1);
$s->h2_settings(0);
$frames = $s->read(all => [{ type => 'SETTINGS' }]);
($frame) = grep { $_->{type} eq 'SETTINGS' } @$frames;
ok($frame, 'SETTINGS frame ack');
is($frame->{flags}, 1, 'SETTINGS flags ack');
# SETTINGS - no ack on PROTOCOL_ERROR
$s = Test::Nginx::HTTP2->new(port(8080), pure => 1);
$frames = $s->read(all => [
{ type => 'WINDOW_UPDATE' },
{ type => 'SETTINGS'}
]);
$s->h2_settings(1);
$s->h2_settings(0, 0x5 => 42);
$frames = $s->read(all => [
{ type => 'SETTINGS'},
{ type => 'GOAWAY' }
]);
($frame) = grep { $_->{type} eq 'SETTINGS' } @$frames;
is($frame, undef, 'SETTINGS PROTOCOL_ERROR - no ack');
($frame) = grep { $_->{type} eq 'GOAWAY' } @$frames;
ok($frame, 'SETTINGS PROTOCOL_ERROR - GOAWAY');
# PING
$s = Test::Nginx::HTTP2->new();
$s->h2_ping('SEE-THIS');
$frames = $s->read(all => [{ type => 'PING' }]);
($frame) = grep { $_->{type} eq "PING" } @$frames;
ok($frame, 'PING frame');
is($frame->{value}, 'SEE-THIS', 'PING payload');
is($frame->{flags}, 1, 'PING flags ack');
is($frame->{sid}, 0, 'PING stream');
# GOAWAY
Test::Nginx::HTTP2->new()->h2_goaway(0, 0, 5);
Test::Nginx::HTTP2->new()->h2_goaway(0, 0, 5, 'foobar');
Test::Nginx::HTTP2->new()->h2_goaway(0, 0, 5, 'foobar', split => [ 8, 8, 4 ]);
$s = Test::Nginx::HTTP2->new();
$s->h2_goaway(0, 0, 5);
$s->h2_goaway(0, 0, 5);
$s = Test::Nginx::HTTP2->new();
$s->h2_goaway(0, 0, 5, 'foobar', len => 0);
$frames = $s->read(all => [{ type => "GOAWAY" }]);
($frame) = grep { $_->{type} eq "GOAWAY" } @$frames;
ok($frame, 'GOAWAY invalid length - GOAWAY frame');
is($frame->{code}, 6, 'GOAWAY invalid length - GOAWAY FRAME_SIZE_ERROR');
# 6.8. GOAWAY
# An endpoint MUST treat a GOAWAY frame with a stream identifier other
# than 0x0 as a connection error (Section 5.4.1) of type PROTOCOL_ERROR.
$s = Test::Nginx::HTTP2->new();
$s->h2_goaway(1, 0, 5, 'foobar');
$frames = $s->read(all => [{ type => "GOAWAY" }], wait => 0.5);
($frame) = grep { $_->{type} eq "GOAWAY" } @$frames;
ok($frame, 'GOAWAY invalid stream - GOAWAY frame');
is($frame->{code}, 1, 'GOAWAY invalid stream - GOAWAY PROTOCOL_ERROR');
# client-initiated PUSH_PROMISE, just to ensure nothing went wrong
# N.B. other implementation returns zero code, which is not anyhow regulated
$s = Test::Nginx::HTTP2->new();
{
local $SIG{PIPE} = 'IGNORE';
syswrite($s->{socket}, pack("x2C2xN", 4, 0x5, 1));
}
$frames = $s->read(all => [{ type => "GOAWAY" }]);
($frame) = grep { $_->{type} eq "GOAWAY" } @$frames;
ok($frame, 'client-initiated PUSH_PROMISE - GOAWAY frame');
is($frame->{code}, 1, 'client-initiated PUSH_PROMISE - GOAWAY PROTOCOL_ERROR');
# GET
$s = Test::Nginx::HTTP2->new();
my $sid = $s->new_stream();
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
ok($frame, 'HEADERS frame');
is($frame->{sid}, $sid, 'HEADERS stream');
is($frame->{headers}->{':status'}, 200, 'HEADERS status');
is($frame->{headers}->{'x-header'}, 'X-Foo', 'HEADERS header');
($frame) = grep { $_->{type} eq "DATA" } @$frames;
ok($frame, 'DATA frame');
is($frame->{length}, length 'body', 'DATA length');
is($frame->{data}, 'body', 'DATA payload');
# GET in the new stream on same connection
$sid = $s->new_stream();
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{sid}, $sid, 'HEADERS stream 2');
is($frame->{headers}->{':status'}, 200, 'HEADERS status 2');
is($frame->{headers}->{'x-header'}, 'X-Foo', 'HEADERS header 2');
($frame) = grep { $_->{type} eq "DATA" } @$frames;
ok($frame, 'DATA frame 2');
is($frame->{sid}, $sid, 'HEADERS stream 2');
is($frame->{length}, length 'body', 'DATA length 2');
is($frame->{data}, 'body', 'DATA payload 2');
# HEAD
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ method => 'HEAD' });
$frames = $s->read(all => [{ sid => $sid, fin => 0x4 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{sid}, $sid, 'HEAD - HEADERS');
is($frame->{headers}->{':status'}, 200, 'HEAD - HEADERS status');
is($frame->{headers}->{'x-header'}, 'X-Foo', 'HEAD - HEADERS header');
($frame) = grep { $_->{type} eq "DATA" } @$frames;
is($frame, undef, 'HEAD - no body');
# CONNECT
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ method => 'CONNECT' });
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 405, 'CONNECT - not allowed');
# TRACE
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ method => 'TRACE' });
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 405, 'TRACE - not allowed');
# range filter
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ headers => [
{ name => ':method', value => 'GET', mode => 0 },
{ name => ':scheme', value => 'http', mode => 0 },
{ name => ':path', value => '/t1.html', mode => 1 },
{ name => ':authority', value => 'localhost', mode => 1 },
{ name => 'range', value => 'bytes=10-19', mode => 1 }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 206, 'range - HEADERS status');
($frame) = grep { $_->{type} eq "DATA" } @$frames;
is($frame->{length}, 10, 'range - DATA length');
is($frame->{data}, '002XXXX000', 'range - DATA payload');
# http2_chunk_size=1
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ path => '/chunk_size' });
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
my @data = grep { $_->{type} eq "DATA" } @$frames;
is(@data, 4, 'chunk_size frames');
is(join(' ', map { $_->{data} } @data), 'b o d y', 'chunk_size data');
is(join(' ', map { $_->{flags} } @data), '0 0 0 1', 'chunk_size flags');
# CONTINUATION
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ continuation => 1, headers => [
{ name => ':method', value => 'HEAD', mode => 1 },
{ name => ':scheme', value => 'http', mode => 0 },
{ name => ':path', value => '/', mode => 0 },
{ name => ':authority', value => 'localhost', mode => 1 }]});
$s->h2_continue($sid, { continuation => 1, headers => [
{ name => 'x-foo', value => 'X-Bar', mode => 2 }]});
$s->h2_continue($sid, { headers => [
{ name => 'referer', value => 'foo', mode => 2 }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "DATA" } @$frames;
is($frame, undef, 'CONTINUATION - fragment 1');
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{'x-sent-foo'}, 'X-Bar', 'CONTINUATION - fragment 2');
is($frame->{headers}->{'x-referer'}, 'foo', 'CONTINUATION - fragment 3');
# CONTINUATION - in the middle of request header field
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ continuation => [ 2, 4, 1, 5 ], headers => [
{ name => ':method', value => 'HEAD', mode => 1 },
{ name => ':scheme', value => 'http', mode => 0 },
{ name => ':path', value => '/', mode => 0 },
{ name => ':authority', value => 'localhost', mode => 1 }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 200, 'CONTINUATION - in header field');
# CONTINUATION on a closed stream
$s->h2_continue(1, { headers => [
{ name => 'x-foo', value => 'X-Bar', mode => 2 }]});
$frames = $s->read(all => [{ sid => 1, fin => 1 }]);
($frame) = grep { $_->{type} eq "GOAWAY" } @$frames;
is($frame->{type}, 'GOAWAY', 'GOAWAY - CONTINUATION closed stream');
is($frame->{code}, 1, 'GOAWAY - CONTINUATION closed stream - PROTOCOL_ERROR');
# frame padding
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ padding => 42, headers => [
{ name => ':method', value => 'GET', mode => 0 },
{ name => ':scheme', value => 'http', mode => 0 },
{ name => ':path', value => '/', mode => 0 },
{ name => ':authority', value => 'localhost', mode => 1 }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 200, 'padding - HEADERS status');
$sid = $s->new_stream({ headers => [
{ name => ':method', value => 'GET', mode => 0 },
{ name => ':scheme', value => 'http', mode => 0 },
{ name => ':path', value => '/', mode => 0 },
{ name => ':authority', value => 'localhost', mode => 1 }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 200, 'padding - next stream');
# padding followed by CONTINUATION
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ padding => 42, continuation => [ 2, 4, 1, 5 ],
headers => [
{ name => ':method', value => 'GET', mode => 1 },
{ name => ':scheme', value => 'http', mode => 0 },
{ name => ':path', value => '/', mode => 0 },
{ name => ':authority', value => 'localhost', mode => 1 }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 200, 'padding - CONTINUATION');
# internal redirect
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ path => '/redirect' });
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 405, 'redirect - HEADERS');
($frame) = grep { $_->{type} eq "DATA" } @$frames;
ok($frame, 'redirect - DATA');
is($frame->{data}, 'body', 'redirect - DATA payload');
# return 301 with absolute URI
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ path => '/return301_absolute' });
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 301, 'return 301 absolute - status');
is($frame->{headers}->{'location'}, 'text', 'return 301 absolute - location');
# return 301 with relative URI
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ path => '/return301_relative' });
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 301, 'return 301 relative - status');
is($frame->{headers}->{'location'}, 'http://localhost:' . port(8080) . '/',
'return 301 relative - location');
# return 301 with relative URI and ':authority' request header field
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ headers => [
{ name => ':method', value => 'GET', mode => 0 },
{ name => ':scheme', value => 'http', mode => 0 },
{ name => ':path', value => '/return301_relative', mode => 2 },
{ name => ':authority', value => 'localhost', mode => 2 }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 301,
'return 301 relative - authority - status');
is($frame->{headers}->{'location'}, 'http://localhost:' . port(8080) . '/',
'return 301 relative - authority - location');
# return 301 with relative URI and 'host' request header field
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ headers => [
{ name => ':method', value => 'GET', mode => 0 },
{ name => ':scheme', value => 'http', mode => 0 },
{ name => ':path', value => '/return301_relative', mode => 2 },
{ name => 'host', value => 'localhost', mode => 2 }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 301,
'return 301 relative - host - status');
is($frame->{headers}->{'location'}, 'http://localhost:' . port(8080) . '/',
'return 301 relative - host - location');
# virtual host
$s = Test::Nginx::HTTP2->new(port(8082));
$sid = $s->new_stream({ headers => [
{ name => ':method', value => 'GET', mode => 0 },
{ name => ':scheme', value => 'http', mode => 0 },
{ name => ':path', value => '/', mode => 0 },
{ name => 'host', value => 'localhost', mode => 2 }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 200,
'virtual host - host - status');
($frame) = grep { $_->{type} eq "DATA" } @$frames;
is($frame->{data}, 'first', 'virtual host - host - DATA');
$sid = $s->new_stream({ headers => [
{ name => ':method', value => 'GET', mode => 0 },
{ name => ':scheme', value => 'http', mode => 0 },
{ name => ':path', value => '/', mode => 0 },
{ name => ':authority', value => 'localhost', mode => 2 }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 200,
'virtual host - authority - status');
($frame) = grep { $_->{type} eq "DATA" } @$frames;
is($frame->{data}, 'first', 'virtual host - authority - DATA');
# virtual host - second
$sid = $s->new_stream({ headers => [
{ name => ':method', value => 'GET', mode => 0 },
{ name => ':scheme', value => 'http', mode => 0 },
{ name => ':path', value => '/', mode => 0 },
{ name => 'host', value => 'localhost2', mode => 2 }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 200,
'virtual host 2 - host - status');
($frame) = grep { $_->{type} eq "DATA" } @$frames;
is($frame->{data}, 'second', 'virtual host 2 - host - DATA');
$sid = $s->new_stream({ headers => [
{ name => ':method', value => 'GET', mode => 0 },
{ name => ':scheme', value => 'http', mode => 0 },
{ name => ':path', value => '/', mode => 0 },
{ name => ':authority', value => 'localhost2', mode => 2 }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 200,
'virtual host 2 - authority - status');
($frame) = grep { $_->{type} eq "DATA" } @$frames;
is($frame->{data}, 'second', 'virtual host 2 - authority - DATA');
# gzip tests for internal nginx version
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ headers => [
{ name => ':method', value => 'GET', mode => 0 },
{ name => ':scheme', value => 'http', mode => 0 },
{ name => ':path', value => '/gzip.html' },
{ name => ':authority', value => 'localhost', mode => 1 },
{ name => 'accept-encoding', value => 'gzip' }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{'content-encoding'}, 'gzip', 'gzip - encoding');
is($frame->{headers}->{'vary'}, 'Accept-Encoding', 'gzip - vary');
($frame) = grep { $_->{type} eq "DATA" } @$frames;
gunzip_like($frame->{data}, qr/^SEE-THIS\Z/, 'gzip - DATA');
# charset
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ path => '/charset' });
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{'content-type'}, 'text/plain; charset=utf-8', 'charset');
# partial request header frame received (field split),
# the rest of frame is received after client header timeout
$s = Test::Nginx::HTTP2->new(port(8087));
$sid = $s->new_stream({ path => '/t2.html', split => [35],
split_delay => 2.1 });
$frames = $s->read(all => [{ type => 'RST_STREAM' }]);
($frame) = grep { $_->{type} eq "RST_STREAM" } @$frames;
ok($frame, 'client header timeout');
is($frame->{code}, 1, 'client header timeout - protocol error');
$s->h2_ping('SEE-THIS');
$frames = $s->read(all => [{ type => 'PING' }]);
($frame) = grep { $_->{type} eq "PING" && $_->{flags} & 0x1 } @$frames;
ok($frame, 'client header timeout - PING');
# partial request header frame received (no field split),
# the rest of frame is received after client header timeout
$s = Test::Nginx::HTTP2->new(port(8087));
$sid = $s->new_stream({ path => '/t2.html', split => [20], split_delay => 2.1 });
$frames = $s->read(all => [{ type => 'RST_STREAM' }]);
($frame) = grep { $_->{type} eq "RST_STREAM" } @$frames;
ok($frame, 'client header timeout 2');
is($frame->{code}, 1, 'client header timeout 2 - protocol error');
$s->h2_ping('SEE-THIS');
$frames = $s->read(all => [{ type => 'PING' }]);
($frame) = grep { $_->{type} eq "PING" && $_->{flags} & 0x1 } @$frames;
ok($frame, 'client header timeout 2 - PING');
# partial request body data frame received, the rest is after body timeout
$s = Test::Nginx::HTTP2->new(port(8087));
$sid = $s->new_stream({ path => '/proxy/t2.html', body_more => 1 });
$s->h2_body('TEST', { split => [10], split_delay => 2.1 });
$frames = $s->read(all => [{ type => 'RST_STREAM' }]);
($frame) = grep { $_->{type} eq "RST_STREAM" } @$frames;
ok($frame, 'client body timeout');
is($frame->{code}, 1, 'client body timeout - protocol error');
$s->h2_ping('SEE-THIS');
$frames = $s->read(all => [{ type => 'PING' }]);
($frame) = grep { $_->{type} eq "PING" && $_->{flags} & 0x1 } @$frames;
ok($frame, 'client body timeout - PING');
# partial request body data frame with connection close after body timeout
$s = Test::Nginx::HTTP2->new(port(8087));
$sid = $s->new_stream({ path => '/proxy/t2.html', body_more => 1 });
$s->h2_body('TEST', { split => [ 12 ], abort => 1 });
select undef, undef, undef, 1.1;
undef $s;
# proxied request with logging pristine request header field (e.g., referer)
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ headers => [
{ name => ':method', value => 'GET' },
{ name => ':scheme', value => 'http' },
{ name => ':path', value => '/proxy2/' },
{ name => ':authority', value => 'localhost' },
{ name => 'referer', value => 'foo' }]});
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 200, 'proxy with logging request headers');
$sid = $s->new_stream();
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
ok($frame->{headers}, 'proxy with logging request headers - next');
# initial window size, client side
# 6.9.2. Initial Flow-Control Window Size
# When an HTTP/2 connection is first established, new streams are
# created with an initial flow-control window size of 65,535 octets.
# The connection flow-control window is also 65,535 octets.
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ path => '/t1.html' });
$frames = $s->read(all => [{ sid => $sid, length => 2**16 - 1 }]);
# with the default http2_chunk_size, data is divided into 8 data frames
@data = grep { $_->{type} eq "DATA" } @$frames;
my $lengths = join ' ', map { $_->{length} } @data;
is($lengths, '8192 8192 8192 8192 8192 8192 8192 8191',
'iws - stream blocked on initial window size');
$s->h2_ping('SEE-THIS');
$frames = $s->read(all => [{ type => 'PING' }]);
($frame) = grep { $_->{type} eq "PING" && $_->{flags} & 0x1 } @$frames;
ok($frame, 'iws - PING not blocked');
$s->h2_window(2**16, $sid);
$frames = $s->read(wait => 0.2);
is(@$frames, 0, 'iws - updated stream window');
$s->h2_window(2**16);
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
@data = grep { $_->{type} eq "DATA" } @$frames;
my $sum = eval join '+', map { $_->{length} } @data;
is($sum, 81, 'iws - updated connection window');
# SETTINGS (initial window size, client side)
# 6.9.2. Initial Flow-Control Window Size
# Both endpoints can adjust the initial window size for new streams by
# including a value for SETTINGS_INITIAL_WINDOW_SIZE in the SETTINGS
# frame that forms part of the connection preface. The connection
# flow-control window can only be changed using WINDOW_UPDATE frames.
$s = Test::Nginx::HTTP2->new();
$s->h2_settings(0, 0x4 => 2**17);
$s->h2_window(2**17);
$sid = $s->new_stream({ path => '/t1.html' });
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
@data = grep { $_->{type} eq "DATA" } @$frames;
$sum = eval join '+', map { $_->{length} } @data;
is($sum, 2**16 + 80, 'iws - increased');
# INITIAL_WINDOW_SIZE duplicate settings
# 6.5. SETTINGS
# Each parameter in a SETTINGS frame replaces any existing value for
# that parameter. Parameters are processed in the order in which they
# appear, and a receiver of a SETTINGS frame does not need to maintain
# any state other than the current value of its parameters. Therefore,
# the value of a SETTINGS parameter is the last value that is seen by a
# receiver.
$s = Test::Nginx::HTTP2->new();
$s->h2_window(2**17);
$sid = $s->new_stream({ path => '/t1.html' });
$frames = $s->read(all => [{ sid => $sid, length => 2**16 - 1 }]);
@data = grep { $_->{type} eq "DATA" } @$frames;
$sum = eval join '+', map { $_->{length} } @data;
is($sum, 2**16 - 1, 'iws duplicate - default stream window');
# this should effect in extra stream window octect
# $s->h2_settings(0, 0x4 => 42, 0x4 => 2**16);
{
local $SIG{PIPE} = 'IGNORE';
syswrite($s->{socket}, pack("x2C2x5nNnN", 12, 0x4, 4, 42, 4, 2**16));
}
$frames = $s->read(all => [{ sid => $sid, length => 1 }]);
@data = grep { $_->{type} eq "DATA" } @$frames;
$sum = eval join '+', map { $_->{length} } @data;
is($sum, 1, 'iws duplicate - updated stream window');
# yet more octets to finish receiving the response
$s->h2_settings(0, 0x4 => 2**16 + 80);
$frames = $s->read(all => [{ sid => $sid, length => 80 }]);
@data = grep { $_->{type} eq "DATA" } @$frames;
$sum = eval join '+', map { $_->{length} } @data;
is($sum, 80, 'iws duplicate - updated stream window 2');
# probe for negative available space in a flow control window
# 6.9.2. Initial Flow-Control Window Size
# A change to SETTINGS_INITIAL_WINDOW_SIZE can cause the available
# space in a flow-control window to become negative. A sender MUST
# track the negative flow-control window and MUST NOT send new flow-
# controlled frames until it receives WINDOW_UPDATE frames that cause
# the flow-control window to become positive.
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ path => '/t1.html' });
$s->read(all => [{ sid => $sid, length => 2**16 - 1 }]);
$s->h2_window(1);
$s->h2_settings(0, 0x4 => 42);
$s->h2_window(1024, $sid);
$frames = $s->read(all => [{ type => 'SETTINGS' }]);
($frame) = grep { $_->{type} eq 'SETTINGS' } @$frames;
ok($frame, 'negative window - SETTINGS frame ack');
is($frame->{flags}, 1, 'negative window - SETTINGS flags ack');
($frame) = grep { $_->{type} ne 'SETTINGS' } @$frames;
is($frame, undef, 'negative window - no data');
# predefined window size, minus new iws settings, minus window update
$s->h2_window(2**16 - 1 - 42 - 1024, $sid);
$frames = $s->read(wait => 0.2);
is(@$frames, 0, 'zero window - no data');
$s->h2_window(1, $sid);
$frames = $s->read(all => [{ sid => $sid, length => 1 }]);
is(@$frames, 1, 'positive window');
SKIP: {
skip 'failed connection', 2 unless @$frames;
is(@$frames[0]->{type}, 'DATA', 'positive window - data');
is(@$frames[0]->{length}, 1, 'positive window - data length');
}
$s = Test::Nginx::HTTP2->new();
$s->h2_window(2**30);
$s->h2_settings(0, 0x4 => 2**30);
$sid = $s->new_stream({ path => '/frame_size/tbig.html' });
sleep 1;
$s->h2_settings(0, 0x5 => 2**15);
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
$lengths = join ' ', map { $_->{length} } @$frames;
unlike($lengths, qr/16384 0 16384/, 'SETTINGS ack after queued DATA');
# ask write handler in sending large response
SKIP: {
skip 'unsafe socket tests', 4 unless $ENV{TEST_NGINX_UNSAFE};
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ path => '/tbig.html' });
$s->h2_window(2**30, $sid);
$s->h2_window(2**30);
sleep 1;
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 200, 'large response - HEADERS');
@data = grep { $_->{type} eq "DATA" } @$frames;
$sum = eval join '+', map { $_->{length} } @data;
is($sum, 5000000, 'large response - DATA');
# Make sure http2 write handler doesn't break a connection.
$sid = $s->new_stream();
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
is($frame->{headers}->{':status'}, 200, 'new stream after large response');
# write event send timeout
$s = Test::Nginx::HTTP2->new(port(8086));
$sid = $s->new_stream({ path => '/tbig.html' });
$s->h2_window(2**30, $sid);
$s->h2_window(2**30);
select undef, undef, undef, 2.1;
$s->h2_ping('SEE-THIS');
$frames = $s->read(all => [{ type => 'PING' }]);
ok(!grep ({ $_->{type} eq "PING" } @$frames), 'large response - send timeout');
}
# SETTINGS_MAX_FRAME_SIZE
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ path => '/frame_size/t1.html' });
$s->h2_window(2**18, 1);
$s->h2_window(2**18);
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
@data = grep { $_->{type} eq "DATA" } @$frames;
is($data[0]->{length}, 2**14, 'max frame size - default');
$s = Test::Nginx::HTTP2->new();
$s->h2_settings(0, 0x5 => 2**15);
$sid = $s->new_stream({ path => '/frame_size/t1.html' });
$s->h2_window(2**18, 1);
$s->h2_window(2**18);
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
@data = grep { $_->{type} eq "DATA" } @$frames;
is($data[0]->{length}, 2**15, 'max frame size - custom');
# SETTINGS_INITIAL_WINDOW_SIZE + SETTINGS_MAX_FRAME_SIZE
# Expanding available stream window should not result in emitting
# new frames before remaining SETTINGS parameters were applied.
$s = Test::Nginx::HTTP2->new();
$s->h2_window(2**17);
$s->h2_settings(0, 0x4 => 42);
$sid = $s->new_stream({ path => '/frame_size/t1.html' });
$s->read(all => [{ sid => $sid, length => 42 }]);
$s->h2_settings(0, 0x4 => 2**17, 0x5 => 2**15);
$frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
@data = grep { $_->{type} eq "DATA" } @$frames;
$lengths = join ' ', map { $_->{length} } @data;
is($lengths, '32768 32768 38', 'multiple SETTINGS');
# stream multiplexing + WINDOW_UPDATE
$s = Test::Nginx::HTTP2->new();
$sid = $s->new_stream({ path => '/t1.html' });
$frames = $s->read(all => [{ sid => $sid, length => 2**16 - 1 }]);
@data = grep { $_->{type} eq "DATA" } @$frames;
$sum = eval join '+', map { $_->{length} } @data;
is($sum, 2**16 - 1, 'multiple - stream1 data');
my $sid2 = $s->new_stream({ path => '/t1.html' });
$frames = $s->read(all => [{ sid => $sid2, fin => 0x4 }]);
@data = grep { $_->{type} eq "DATA" } @$frames;
is(@data, 0, 'multiple - stream2 no data');
$s->h2_window(2**17, $sid);
$s->h2_window(2**17, $sid2);
$s->h2_window(2**17);
$frames = $s->read(all => [
{ sid => $sid, fin => 1 },
{ sid => $sid2, fin => 1 }
]);
@data = grep { $_->{type} eq "DATA" && $_->{sid} == $sid } @$frames;
$sum = eval join '+', map { $_->{length} } @data;
is($sum, 81, 'multiple - stream1 remain data');
@data = grep { $_->{type} eq "DATA" && $_->{sid} == $sid2 } @$frames;
$sum = eval join '+', map { $_->{length} } @data;
is($sum, 2**16 + 80, 'multiple - stream2 full data');
# http2_max_concurrent_streams
$s = Test::Nginx::HTTP2->new(port(8083), pure => 1);
$frames = $s->read(all => [{ type => 'SETTINGS' }]);
($frame) = grep { $_->{type} eq 'SETTINGS' } @$frames;
is($frame->{3}, 1, 'http2_max_concurrent_streams SETTINGS');
$s->h2_window(2**18);
$sid = $s->new_stream({ path => '/t1.html' });
$frames = $s->read(all => [{ sid => $sid, length => 2 ** 16 - 1 }]);
($frame) = grep { $_->{type} eq "HEADERS" && $_->{sid} == $sid } @$frames;
is($frame->{headers}->{':status'}, 200, 'http2_max_concurrent_streams');
$sid2 = $s->new_stream({ path => '/t1.html' });
$frames = $s->read(all => [{ type => 'RST_STREAM' }]);
($frame) = grep { $_->{type} eq "HEADERS" && $_->{sid} == $sid2 } @$frames;
isnt($frame->{headers}->{':status'}, 200, 'http2_max_concurrent_streams 2');
($frame) = grep { $_->{type} eq "RST_STREAM" && $_->{sid} == $sid2 } @$frames;
is($frame->{sid}, $sid2, 'http2_max_concurrent_streams RST_STREAM sid');
is($frame->{length}, 4, 'http2_max_concurrent_streams RST_STREAM length');
is($frame->{flags}, 0, 'http2_max_concurrent_streams RST_STREAM flags');
is($frame->{code}, 7, 'http2_max_concurrent_streams RST_STREAM code');
# properly skip header field that's not/never indexed from discarded streams
$sid2 = $s->new_stream({ headers => [
{ name => ':method', value => 'GET' },
{ name => ':scheme', value => 'http' },
{ name => ':path', value => '/', mode => 6 },
{ name => ':authority', value => 'localhost' },
{ name => 'x-foo', value => 'Foo', mode => 2 }]});
$frames = $s->read(all => [{ type => 'RST_STREAM' }]);
# also if split across writes
$sid2 = $s->new_stream({ split => [ 22 ], headers => [
{ name => ':method', value => 'GET' },
{ name => ':scheme', value => 'http' },
{ name => ':path', value => '/', mode => 6 },
{ name => ':authority', value => 'localhost' },
{ name => 'x-bar', value => 'Bar', mode => 2 }]});
$frames = $s->read(all => [{ type => 'RST_STREAM' }]);
# also if split across frames
$sid2 = $s->new_stream({ continuation => [ 17 ], headers => [
{ name => ':method', value => 'GET' },
{ name => ':scheme', value => 'http' },
{ name => ':path', value => '/', mode => 6 },
{ name => ':authority', value => 'localhost' },
{ name => 'x-baz', value => 'Baz', mode => 2 }]});
$frames = $s->read(all => [{ type => 'RST_STREAM' }]);
$s->h2_window(2**16, $sid);
$s->read(all => [{ sid => $sid, fin => 1 }]);
$sid = $s->new_stream({ headers => [
{ name => ':method', value => 'GET' },
{ name => ':scheme', value => 'http' },