Mercurial > hg > nginx-tests
annotate stream_upstream_least_conn.t @ 816:77359b849cd5
Tests: stream package.
author | Andrey Zelenkov <zelenkov@nginx.com> |
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date | Mon, 20 Jul 2015 15:06:09 +0300 |
parents | b8db75ef1f00 |
children | e9064d691790 |
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Tests: basic stream tests for upstream least_conn.
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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 # Stream tests for upstream least_conn balancer module. |
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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 use Test::Nginx::Stream qw/ stream /; |
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22 |
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23 ############################################################################### |
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24 |
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25 select STDERR; $| = 1; |
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26 select STDOUT; $| = 1; |
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27 |
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28 my $t = Test::Nginx->new()->has(qw/stream stream_upstream_least_conn/)->plan(2) |
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29 ->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 stream { |
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39 upstream u { |
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40 least_conn; |
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41 server 127.0.0.1:8081; |
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42 server 127.0.0.1:8082; |
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43 } |
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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 proxy_pass u; |
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48 } |
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49 } |
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50 |
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51 EOF |
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52 |
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53 $t->run_daemon(\&stream_daemon, 8081); |
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54 $t->run_daemon(\&stream_daemon, 8082); |
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55 $t->run(); |
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56 |
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57 $t->waitforsocket('127.0.0.1:8081'); |
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58 $t->waitforsocket('127.0.0.1:8082'); |
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59 |
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60 ############################################################################### |
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61 |
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62 is(many('.', 10), '8081: 5, 8082: 5', 'balanced'); |
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63 |
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64 my @sockets; |
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65 for (1 .. 2) { |
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66 my $s = stream(); |
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67 $s->write('w'); |
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68 push @sockets, $s; |
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69 } |
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70 |
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71 select undef, undef, undef, 0.2; |
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72 |
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73 is(many('.', 10), '8082: 10', 'least_conn'); |
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74 |
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75 ############################################################################### |
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76 |
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77 sub many { |
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78 my ($data, $count, %opts) = @_; |
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79 my (%ports); |
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80 |
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81 for (1 .. $count) { |
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82 if (stream()->io($data) =~ /(\d+)/) { |
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83 $ports{$1} = 0 unless defined $ports{$1}; |
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84 $ports{$1}++; |
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85 } |
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86 } |
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87 |
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88 return join ', ', map { $_ . ": " . $ports{$_} } sort keys %ports; |
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89 } |
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90 |
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91 ############################################################################### |
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92 |
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93 sub stream_daemon { |
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94 my ($port) = @_; |
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95 |
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96 my $server = IO::Socket::INET->new( |
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97 Proto => 'tcp', |
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98 LocalAddr => '127.0.0.1', |
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99 LocalPort => $port, |
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100 Listen => 5, |
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101 Reuse => 1 |
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102 ) |
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103 or die "Can't create listening socket: $!\n"; |
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104 |
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105 my $sel = IO::Select->new($server); |
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106 |
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107 local $SIG{PIPE} = 'IGNORE'; |
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108 |
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109 while (my @ready = $sel->can_read) { |
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110 foreach my $fh (@ready) { |
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111 if ($server == $fh) { |
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112 my $new = $fh->accept; |
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113 $new->autoflush(1); |
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114 $sel->add($new); |
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115 |
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116 } elsif (stream_handle_client($fh)) { |
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117 $sel->remove($fh); |
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118 $fh->close; |
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119 } |
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120 } |
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121 } |
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122 } |
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123 |
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124 sub stream_handle_client { |
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125 my ($client) = @_; |
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126 |
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127 log2c("(new connection $client)"); |
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128 |
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129 $client->sysread(my $buffer, 65536) or return 1; |
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130 |
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131 log2i("$client $buffer"); |
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132 |
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133 my $port = $client->sockport(); |
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134 |
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135 if ($buffer =~ /w/ && $port == 8081) { |
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136 Test::Nginx::log_core('||', "$port: sleep(2.5)"); |
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137 select undef, undef, undef, 2.5; |
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138 } |
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139 |
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140 $buffer = $port; |
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141 |
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142 log2o("$client $buffer"); |
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143 |
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144 $client->syswrite($buffer); |
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145 |
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146 return 1; |
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147 } |
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148 |
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149 sub log2i { Test::Nginx::log_core('|| <<', @_); } |
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150 sub log2o { Test::Nginx::log_core('|| >>', @_); } |
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151 sub log2c { Test::Nginx::log_core('||', @_); } |
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152 |
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153 ############################################################################### |