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868
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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 module and balancers with datagrams.
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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 BEGIN { use FindBin; chdir($FindBin::Bin); }
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16
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17 use lib 'lib';
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18 use Test::Nginx;
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19 use Test::Nginx::Stream qw/ dgram /;
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20
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21 ###############################################################################
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22
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23 select STDERR; $| = 1;
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24 select STDOUT; $| = 1;
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25
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26 my $t = Test::Nginx->new()->has(qw/stream/)
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27 ->write_file_expand('nginx.conf', <<'EOF');
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28
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29 %%TEST_GLOBALS%%
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30
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31 daemon off;
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32
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33 events {
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34 }
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35
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36 stream {
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37 proxy_responses 1;
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38 proxy_timeout 1s;
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39
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40 upstream u {
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41 server 127.0.0.1:8087;
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42 server 127.0.0.1:8088;
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43 }
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44
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45 upstream u2 {
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46 server 127.0.0.1:8089 down;
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47 server 127.0.0.1:8089;
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48 server 127.0.0.1:8087;
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49 server 127.0.0.1:8088;
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50 }
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51
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52 upstream u3 {
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53 server 127.0.0.1:8087;
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54 server 127.0.0.1:8088 weight=2;
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55 }
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56
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57 upstream u4 {
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58 server 127.0.0.1:8089;
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59 server 127.0.0.1:8087 backup;
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60 }
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61
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62 server {
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63 listen 127.0.0.1:8081 udp;
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64 proxy_pass u;
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65 }
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66
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67 server {
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68 listen 127.0.0.1:8082 udp;
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69 proxy_pass u2;
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70 }
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71
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72 server {
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73 listen 127.0.0.1:8083 udp;
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74 proxy_pass u3;
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75 }
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76
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77 server {
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78 listen 127.0.0.1:8084 udp;
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79 proxy_pass u4;
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80 }
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81 }
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82
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83 EOF
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84
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85 $t->run_daemon(\&udp_daemon, 8087, $t);
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86 $t->run_daemon(\&udp_daemon, 8088, $t);
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87 $t->try_run('no stream udp')->plan(4);
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88
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89 $t->waitforfile($t->testdir . '/8087');
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90 $t->waitforfile($t->testdir . '/8088');
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91
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92 ###############################################################################
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93
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94 is(many('.', 30, peer => '127.0.0.1:8081'), '8087: 15, 8088: 15', 'balanced');
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95 is(many('.', 30, peer => '127.0.0.1:8082'), '8087: 15, 8088: 15', 'failures');
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96 is(many('.', 30, peer => '127.0.0.1:8083'), '8087: 10, 8088: 20', 'weight');
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97 is(many('.', 30, peer => '127.0.0.1:8084'), '8087: 30', 'backup');
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98
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99 ###############################################################################
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100
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101 sub many {
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102 my ($data, $count, %opts) = @_;
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103 my (%ports, $peer);
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104
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105 $peer = $opts{peer};
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106
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107 for (1 .. $count) {
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108 if (dgram($peer)->io($data) =~ /(\d+)/) {
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109 $ports{$1} = 0 unless defined $ports{$1};
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110 $ports{$1}++;
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111 }
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112 }
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113
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114 return join ', ', map { $_ . ": " . $ports{$_} } sort keys %ports;
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115 }
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116
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117 ###############################################################################
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118
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119 sub udp_daemon {
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120 my ($port, $t) = @_;
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121
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122 my $server = IO::Socket::INET->new(
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123 Proto => 'udp',
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124 LocalAddr => '127.0.0.1:' . $port,
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125 Reuse => 1,
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126 )
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127 or die "Can't create listening socket: $!\n";
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128
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129 # signal we are ready
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130
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131 open my $fh, '>', $t->testdir() . '/' . $port;
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132 close $fh;
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133
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134 while (1) {
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135 $server->recv(my $buffer, 65536);
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136 $buffer = $server->sockport();
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137 $server->send($buffer);
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138 }
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139 }
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140
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141 ###############################################################################
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