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Tests: HTTP/2 circular stream dependency after removed dependency.
author Sergey Kandaurov <pluknet@nginx.com>
date Wed, 28 Oct 2015 00:11:43 +0300
parents bb4486e173ab
children 70c486d09663
comparison
equal deleted inserted replaced
756:bb4486e173ab 757:9187c6902b30
30 eval { IO::Socket::SSL::SSL_VERIFY_NONE(); }; 30 eval { IO::Socket::SSL::SSL_VERIFY_NONE(); };
31 plan(skip_all => 'IO::Socket::SSL too old') if $@; 31 plan(skip_all => 'IO::Socket::SSL too old') if $@;
32 32
33 my $t = Test::Nginx->new()->has(qw/http http_ssl http_v2 proxy cache/) 33 my $t = Test::Nginx->new()->has(qw/http http_ssl http_v2 proxy cache/)
34 ->has(qw/limit_conn rewrite realip shmem/) 34 ->has(qw/limit_conn rewrite realip shmem/)
35 ->has_daemon('openssl')->plan(237); 35 ->has_daemon('openssl')->plan(240);
36 36
37 # Some systems may have also a bug in not treating zero writev iovcnt as EINVAL 37 # Some systems may have also a bug in not treating zero writev iovcnt as EINVAL
38 38
39 $t->todo_alerts(); 39 $t->todo_alerts();
40 40
2028 ]); 2028 ]);
2029 2029
2030 @data = grep { $_->{type} eq "DATA" } @$frames; 2030 @data = grep { $_->{type} eq "DATA" } @$frames;
2031 $sids = join ' ', map { $_->{sid} } @data; 2031 $sids = join ' ', map { $_->{sid} } @data;
2032 is($sids, "$sid3 $sid2 $sid", 'weighted dependency - PRIORITY 2'); 2032 is($sids, "$sid3 $sid2 $sid", 'weighted dependency - PRIORITY 2');
2033
2034 # PRIORITY - reprioritization with circular dependency - after [3] removed
2035 # initial dependency tree:
2036 # 1 <- [3] <- 5
2037
2038 SKIP: {
2039 skip 'leaves codedump', 3 unless $ENV{TEST_NGINX_UNSAFE};
2040
2041 $sess = new_session();
2042
2043 h2_window($sess, 2**18);
2044
2045 h2_priority($sess, 16, 1, 0);
2046 h2_priority($sess, 16, 3, 1);
2047 h2_priority($sess, 16, 5, 3);
2048
2049 $sid = new_stream($sess, { path => '/t1.html' });
2050 h2_read($sess, all => [{ sid => $sid, length => 2**16 - 1 }]);
2051
2052 $sid2 = new_stream($sess, { path => '/t1.html' });
2053 h2_read($sess, all => [{ sid => $sid2, length => 2**16 - 1 }]);
2054
2055 $sid3 = new_stream($sess, { path => '/t1.html' });
2056 h2_read($sess, all => [{ sid => $sid3, length => 2**16 - 1 }]);
2057
2058 h2_window($sess, 2**16, $sid2);
2059
2060 $frames = h2_read($sess, all => [{ sid => $sid2, fin => 1 }]);
2061 $sids = join ' ', map { $_->{sid} } grep { $_->{type} eq "DATA" } @$frames;
2062 is($sids, $sid2, 'removed dependency');
2063
2064 for (1 .. 40) {
2065 h2_read($sess, all => [{ sid => new_stream($sess), fin => 1 }]);
2066 }
2067
2068 # make circular dependency
2069 # 1 <- 5 -- current dependency tree before reprioritization
2070 # 5 <- 1
2071 # 1 <- 5
2072
2073 h2_priority($sess, 16, 1, 5);
2074 h2_priority($sess, 16, 5, 1);
2075
2076 h2_window($sess, 2**16, $sid);
2077 h2_window($sess, 2**16, $sid3);
2078
2079 $frames = h2_read($sess, all => [
2080 { sid => $sid, fin => 1 },
2081 { sid => $sid3, fin => 1 },
2082 ]);
2083
2084 ($frame) = grep { $_->{type} eq "DATA" && $_->{sid} == $sid } @$frames;
2085 is($frame->{length}, 81, 'removed dependency - first stream');
2086
2087 ($frame) = grep { $_->{type} eq "DATA" && $_->{sid} == $sid3 } @$frames;
2088 is($frame->{length}, 81, 'removed dependency - last stream');
2089
2090 }
2033 2091
2034 # limit_conn 2092 # limit_conn
2035 2093
2036 $sess = new_session(); 2094 $sess = new_session();
2037 h2_settings($sess, 0, 0x4 => 1); 2095 h2_settings($sess, 0, 0x4 => 1);