Mercurial > hg > nginx-tests

annotate proxy_available.t @ 1951:1867428f1673

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Tests: fixed h3_limit_req.t spurious failures. In the "reset stream - cancellation" test, HTTP/3 stream is closed without sending the request body when the request is waiting in the limit_req module, and this results in error 444. However, when the request is received with some minor delay due to system load, it is not delayed by limit_req, and the stream is closed during reading the request body, which results in error 400 instead, breaking the test. Fix is to introduce yet another request before the "reset stream" test, so the stream in question is always delayed by limit_req.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 14 Mar 2024 02:25:49 +0300
parents 4b80f1ab7fdc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1779
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1 #!/usr/bin/perl
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2
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3 # (C) Sergey Kandaurov
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4 # (C) Nginx, Inc.
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5
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6 # Tests for http proxy module with available bytes counting.
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7
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8 ###############################################################################
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9
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10 use warnings;
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11 use strict;
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12
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13 use Test::More;
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14
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15 use IO::Select;
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16
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17 BEGIN { use FindBin; chdir($FindBin::Bin); }
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18
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19 use lib 'lib';
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20 use Test::Nginx qw/ :DEFAULT http_end /;
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21
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22 ###############################################################################
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23
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24 select STDERR; $| = 1;
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25 select STDOUT; $| = 1;
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26
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27 my $t = Test::Nginx->new()->has(qw/http proxy/)->plan(2);
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28
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29 $t->write_file_expand('nginx.conf', <<'EOF');
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30
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31 %%TEST_GLOBALS%%
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32
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33 daemon off;
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34
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35 events {
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36 }
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37
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38 http {
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39 %%TEST_GLOBALS_HTTP%%
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40
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41 server {
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42 listen 127.0.0.1:8080;
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43 server_name localhost;
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44
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45 location /buffered {
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46 proxy_pass http://127.0.0.1:8081;
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47 proxy_buffer_size 512;
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48 }
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49
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50 location /unbuffered {
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51 proxy_pass http://127.0.0.1:8082;
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52 proxy_buffer_size 512;
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53 proxy_buffering off;
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54 }
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55 }
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56 }
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57
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58 EOF
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59
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60 $t->run_daemon(\&http_daemon, port(8081));
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61 $t->run_daemon(\&http_daemon, port(8082));
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62 $t->run();
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63
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64 $t->waitforsocket('127.0.0.1:' . port(8081));
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65 $t->waitforsocket('127.0.0.1:' . port(8082));
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66
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67 ###############################################################################
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68
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69 # ticket #2367: socket leaks with EPOLLRDHUP
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70 # due to missing rev->ready reset on rev->available == 0
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71 #
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72 # to reproduce leaks, the first part of the response should fit proxy buffer
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73
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74 my $s = http_get('/buffered', start => 1);
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75 IO::Select->new($s)->can_read(3);
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76
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77 $t->reload();
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78
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79 TODO: {
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80 local $TODO = 'not yet' if $^O eq 'linux' and !$t->has_version('1.23.1');
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81
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82 like(http_end($s), qr/AND-THIS/, 'zero available - buffered');
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83
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84 }
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85
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86 $s = http_get('/unbuffered', start => 1);
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87 IO::Select->new($s)->can_read(3);
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88
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89 $t->stop();
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90
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91 like(http_end($s), qr/AND-THIS/, 'zero available - unbuffered');
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92
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93 $t->todo_alerts() if $^O eq 'linux' and !$t->has_version('1.23.1');
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94
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95 ###############################################################################
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96
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97 sub http_daemon {
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98 my ($port) = @_;
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99
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100 my $server = IO::Socket::INET->new(
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101 Proto => 'tcp',
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102 LocalHost => "127.0.0.1:$port",
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103 Listen => 5,
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104 Reuse => 1
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105 )
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106 or die "Can't create listening socket: $!\n";
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107
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108 local $SIG{PIPE} = 'IGNORE';
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109
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110 while (my $client = $server->accept()) {
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111 $client->autoflush(1);
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112
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113 my $headers = '';
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114 my $uri = '';
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115
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116 while (<$client>) {
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117 $headers .= $_;
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118 last if (/^\x0d?\x0a?$/);
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119 }
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120
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121 next if $headers eq '';
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122
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123 my $r = <<EOF;
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124 HTTP/1.1 200 OK
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125 Connection: close
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126
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127 EOF
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128
4b80f1ab7fdc Tests: socket leaks with zero available bytes (ticket #2367).
Sergey Kandaurov <pluknet@nginx.com>
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129 $r = $r . 'x' x (512 - length($r));
4b80f1ab7fdc Tests: socket leaks with zero available bytes (ticket #2367).
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130 print $client $r;
4b80f1ab7fdc Tests: socket leaks with zero available bytes (ticket #2367).
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131
4b80f1ab7fdc Tests: socket leaks with zero available bytes (ticket #2367).
Sergey Kandaurov <pluknet@nginx.com>
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132 select undef, undef, undef, 1.1;
4b80f1ab7fdc Tests: socket leaks with zero available bytes (ticket #2367).
Sergey Kandaurov <pluknet@nginx.com>
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133 print $client 'AND-THIS';
4b80f1ab7fdc Tests: socket leaks with zero available bytes (ticket #2367).
Sergey Kandaurov <pluknet@nginx.com>
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134 }
4b80f1ab7fdc Tests: socket leaks with zero available bytes (ticket #2367).
Sergey Kandaurov <pluknet@nginx.com>
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135 }
4b80f1ab7fdc Tests: socket leaks with zero available bytes (ticket #2367).
Sergey Kandaurov <pluknet@nginx.com>
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136
4b80f1ab7fdc Tests: socket leaks with zero available bytes (ticket #2367).
Sergey Kandaurov <pluknet@nginx.com>
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137 ###############################################################################