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annotate stream_proxy_protocol.t @ 612:bae9850e566c

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Tests: some stream haproxy protocol tests.
author Andrey Zelenkov <zelenkov@nginx.com>
date Wed, 17 Jun 2015 20:43:20 +0300
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children 2d9f5f439598
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bae9850e566c Tests: some stream haproxy protocol tests.
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1 #!/usr/bin/perl
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2
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3 # (C) Andrey Zelenkov
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4 # (C) Nginx, Inc.
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5
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6 # Tests for stream proxy module with haproxy protocol.
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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 use Socket qw/ CRLF /;
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17
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18 BEGIN { use FindBin; chdir($FindBin::Bin); }
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19
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20 use lib 'lib';
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21 use Test::Nginx;
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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/)->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 proxy_protocol on;
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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 proxy_pass 127.0.0.1:8081;
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44 }
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45
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46 server {
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47 listen 127.0.0.1:8082;
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48 proxy_pass 127.0.0.1:8081;
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49 proxy_protocol off;
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50 }
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51 }
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52
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53 EOF
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54
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55 $t->run_daemon(\&stream_daemon);
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56 $t->run()->waitforsocket('127.0.0.1:8081');
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57
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58 ###############################################################################
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59
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60 my %r = stream_get('close');
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61 is($r{'data'}, "PROXY TCP4 127.0.0.1 127.0.0.1 $r{'sp'} 8080" . CRLF . "close",
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62 'protocol on');
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63
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64 %r = stream_get('close', '127.0.0.1:8082');
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65 is($r{'data'}, 'close', 'protocol off');
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66
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67 ###############################################################################
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68
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69 sub stream_get {
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70 my ($data, $peer) = @_;
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71
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72 my $s = stream_connect($peer);
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73 my $sockport = $s->sockport;
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74 stream_write($s, $data);
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75
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76 $data = '';
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77 while (my $buf = stream_read($s)) {
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78 $data .= $buf;
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79 }
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80
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81 return ('data' => $data, 'sp' => $sockport);
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82 }
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83
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84 sub stream_connect {
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85 my $peer = shift;
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86 my $s = IO::Socket::INET->new(
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87 Proto => 'tcp',
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88 PeerAddr => $peer || '127.0.0.1:8080'
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89 )
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90 or die "Can't connect to nginx: $!\n";
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91
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92 return $s;
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93 }
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94
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95 sub stream_write {
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96 my ($s, $message) = @_;
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97
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98 local $SIG{PIPE} = 'IGNORE';
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99
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100 $s->blocking(0);
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101 while (IO::Select->new($s)->can_write(1.5)) {
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102 my $n = $s->syswrite($message);
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103 last unless $n;
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104 $message = substr($message, $n);
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105 last unless length $message;
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106 }
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107
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108 if (length $message) {
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109 $s->close();
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110 }
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111 }
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112
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113 sub stream_read {
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114 my ($s) = @_;
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115 my ($buf);
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116
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117 $s->blocking(0);
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118 if (IO::Select->new($s)->can_read(3)) {
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119 $s->sysread($buf, 1024);
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120 };
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121
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122 log_in($buf);
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123 return $buf;
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124 }
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125
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126 ###############################################################################
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127
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128 sub stream_daemon {
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129 my $server = IO::Socket::INET->new(
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130 Proto => 'tcp',
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131 LocalAddr => '127.0.0.1:8081',
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132 Listen => 5,
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133 Reuse => 1
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134 )
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135 or die "Can't create listening socket: $!\n";
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136
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137 my $sel = IO::Select->new($server);
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138
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139 local $SIG{PIPE} = 'IGNORE';
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140
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141 while (my @ready = $sel->can_read) {
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142 foreach my $fh (@ready) {
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143 if ($server == $fh) {
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144 my $new = $fh->accept;
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145 $new->autoflush(1);
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146 $sel->add($new);
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147
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148 } elsif (stream_handle_client($fh)) {
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149 $sel->remove($fh);
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150 $fh->close;
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151 }
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152 }
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153 }
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154 }
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155
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156 sub stream_handle_client {
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157 my ($client) = @_;
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158
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159 log2c("(new connection $client)");
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160
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161 $client->sysread(my $buffer, 65536) or return 1;
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162
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163 log2i("$client $buffer");
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164
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165 log2o("$client $buffer");
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166
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167 $client->syswrite($buffer);
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168
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169 return $buffer =~ /close/;
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170 }
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171
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172 sub log2i { Test::Nginx::log_core('|| <<', @_); }
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173 sub log2o { Test::Nginx::log_core('|| >>', @_); }
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174 sub log2c { Test::Nginx::log_core('||', @_); }
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175
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176 ###############################################################################