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annotate proxy_cache_lock_age.t @ 572:ca54b445d982

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Tests: masked nginx bug in proxy next upstream. When iterating through several next upstreams per a worker cycle, a previously reported event about upstream connection error may be improperly applied to the next upstream, thus leading to the invalid connection error. E.g., in kqueue, where the problem is visible, this is caused by "ev->instance" that does not tolerate more than one next upstream at once, and kevents placed on the kqueue separately for read and write events. The change is to limit test case to the only one next upstream.
author Sergey Kandaurov <pluknet@nginx.com>
date Thu, 14 May 2015 11:54:24 +0300
parents 907e89fba9c3
children 2cd00179f4b2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 cache lock aged.
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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;
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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 plan(skip_all => 'win32') if $^O eq 'MSWin32';
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28
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29 my $t = Test::Nginx->new()->has(qw/http proxy cache/)->plan(2)
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30 ->write_file_expand('nginx.conf', <<'EOF');
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31
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32 %%TEST_GLOBALS%%
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33
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34 daemon off;
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35
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36 events {
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37 }
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38
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39 http {
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40 %%TEST_GLOBALS_HTTP%%
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41
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42 proxy_cache_path %%TESTDIR%%/cache levels=1:2
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43 keys_zone=NAME:1m;
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44
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45 server {
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46 listen 127.0.0.1:8080;
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47 server_name localhost;
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48
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49 location / {
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50 proxy_pass http://127.0.0.1:8081;
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51 proxy_cache NAME;
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52
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53 proxy_cache_lock on;
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54 proxy_cache_lock_age 100ms;
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55 }
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56 }
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57 }
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58
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59 EOF
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60
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61 $t->run_daemon(\&http_daemon, 8081);
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62 $t->run()->waitforsocket('127.0.0.1:8081');
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63
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64 ###############################################################################
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65
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66 my $s = http_get('/', start => 1);
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67
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68 like(http_get('/'), qr/request 2/, 'request');
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69 like(http_get('/'), qr/request 2/, 'request cached');
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70
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71 http_get('/close');
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72
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73 ###############################################################################
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74
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75 sub http_daemon {
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76 my (@ports) = @_;
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77 my @socks;
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78
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79 for my $port (@ports) {
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80 my $server = IO::Socket::INET->new(
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81 Proto => 'tcp',
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82 LocalHost => "127.0.0.1:$port",
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83 Listen => 5,
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84 Reuse => 1
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85 )
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86 or die "Can't create listening socket: $!\n";
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87 push @socks, $server;
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88 }
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89
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90 my $sel = IO::Select->new(@socks);
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91 my $num = 0;
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92 my $s;
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93
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94 local $SIG{PIPE} = 'IGNORE';
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95
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96 while (my @ready = $sel->can_read) {
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97 foreach my $fh (@ready) {
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98 if (grep $_ == $fh, @socks) {
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99 my $new = $fh->accept;
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100 $new->autoflush(1);
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101 $sel->add($new);
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102
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103 } elsif (process_socket($fh, \$num, \$s)) {
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104 $sel->remove($fh);
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105 $fh->close;
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106 }
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107 }
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108 }
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109 }
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110
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111 # Returns true to close connection
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112
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113 sub process_socket {
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114 my ($client, $num, $s) = @_;
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115
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116 my $headers = '';
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117 my $uri = '';
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118
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119 while (<$client>) {
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120 $headers .= $_;
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121 last if (/^\x0d?\x0a?$/);
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122 }
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123 return 1 if $headers eq '';
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124
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125 $uri = $1 if $headers =~ /^\S+\s+([^ ]+)\s+HTTP/i;
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126 return 1 if $uri eq '';
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127
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128 # finish a previously saved socket
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129 close $$s if $uri eq '/close';
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130
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131 $$num++;
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132
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133 print $client <<EOF;
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134 HTTP/1.1 200 OK
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135 Cache-Control: max-age=300
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136 Connection: close
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137
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138 request $$num
0ee2899fbe3e Tests: proxy_cache_lock_age tests.
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139 EOF
0ee2899fbe3e Tests: proxy_cache_lock_age tests.
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140
0ee2899fbe3e Tests: proxy_cache_lock_age tests.
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141 # save socket and wait
0ee2899fbe3e Tests: proxy_cache_lock_age tests.
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142 if ($$num == 1) {
0ee2899fbe3e Tests: proxy_cache_lock_age tests.
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143 $$s = $client;
0ee2899fbe3e Tests: proxy_cache_lock_age tests.
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144 return 0;
0ee2899fbe3e Tests: proxy_cache_lock_age tests.
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145 }
0ee2899fbe3e Tests: proxy_cache_lock_age tests.
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146
0ee2899fbe3e Tests: proxy_cache_lock_age tests.
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147 return 1;
0ee2899fbe3e Tests: proxy_cache_lock_age tests.
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148 }
0ee2899fbe3e Tests: proxy_cache_lock_age tests.
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149
0ee2899fbe3e Tests: proxy_cache_lock_age tests.
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150 ###############################################################################