Mercurial > hg > nginx-tests
annotate stream_resolver.t @ 1257:05b2033f5377
Tests: msie_refresh generic tests.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Wed, 06 Dec 2017 19:31:20 +0300 |
parents | 766bcbb632ee |
children | f3ba4c74de31 |
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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 stream upstream name resolved, proxy_next_upstream_tries. |
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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/ stream /; |
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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 stream_map stream_return/) |
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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 map $server_port $upstream { |
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38 %%PORT_8081%% a.example.com:%%PORT_8090%%; |
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39 %%PORT_8082%% a.example.com; |
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40 %%PORT_8083%% nx.example.com:%%PORT_8082%%; |
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41 } |
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42 |
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43 map $server_port $many { |
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44 default $server_port.many.example.com; |
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45 } |
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46 |
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47 resolver 127.0.0.1:%%PORT_8980_UDP%%; |
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48 |
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49 server { |
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50 listen 127.0.0.1:8081; |
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51 listen 127.0.0.1:8082; |
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52 listen 127.0.0.1:8083; |
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53 proxy_pass $upstream; |
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54 } |
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55 |
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56 server { |
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57 listen 127.0.0.1:8084; |
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58 proxy_pass $many:%%PORT_8090%%; |
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59 |
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60 proxy_next_upstream_tries 3; |
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61 proxy_connect_timeout 1s; |
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62 } |
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63 |
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64 server { |
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65 listen 127.0.0.1:8085; |
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66 proxy_pass $many:%%PORT_8090%%; |
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67 |
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68 proxy_next_upstream_tries 2; |
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69 proxy_connect_timeout 1s; |
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70 } |
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71 |
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72 server { |
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73 listen 127.0.0.1:8086; |
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74 proxy_pass $many:%%PORT_8090%%; |
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75 |
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76 proxy_next_upstream_tries 0; |
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77 proxy_connect_timeout 1s; |
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78 } |
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79 |
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80 server { |
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81 listen 127.0.0.1:8090; |
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82 return SEE-THIS; |
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83 } |
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84 } |
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85 |
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86 EOF |
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87 |
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88 $t->run_daemon(\&dns_daemon, port(8980), $t); |
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89 $t->run()->plan(8); |
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90 |
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91 $t->waitforfile($t->testdir . '/' . port(8980)); |
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92 |
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93 ############################################################################### |
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94 |
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95 ok(stream('127.0.0.1:' . port(8081))->read(), 'resolver'); |
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96 ok(!stream('127.0.0.1:' . port(8082))->read(), 'upstream no port'); |
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97 ok(!stream('127.0.0.1:' . port(8083))->read(), 'name not found'); |
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98 |
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99 ok(stream('127.0.0.1:' . port(8084))->read(), 'resolved tries'); |
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100 ok(!stream('127.0.0.1:' . port(8085))->read(), 'resolved tries limited'); |
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101 ok(stream('127.0.0.1:' . port(8086))->read(), 'resolved tries zero'); |
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102 |
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103 $t->stop(); |
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104 |
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105 SKIP: { |
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106 skip "relies on error log contents", 2 unless $ENV{TEST_NGINX_UNSAFE}; |
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107 |
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108 my $log = `grep -F '[error]' ${\($t->testdir())}/error.log`; |
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109 like($log, qr/no port in upstream "a.example.com"/, 'log - no port'); |
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110 like($log, qr/nx.example.com could not be resolved/, 'log - not found'); |
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111 |
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112 } |
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113 |
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114 ############################################################################### |
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115 |
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116 sub reply_handler { |
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117 my ($recv_data, $port) = @_; |
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118 |
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119 my (@name, @rdata); |
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120 |
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121 use constant NOERROR => 0; |
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122 use constant A => 1; |
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123 use constant IN => 1; |
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124 |
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125 # default values |
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126 |
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127 my ($hdr, $rcode, $ttl) = (0x8180, NOERROR, 3600); |
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128 |
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129 # decode name |
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130 |
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131 my ($len, $offset) = (undef, 12); |
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132 while (1) { |
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133 $len = unpack("\@$offset C", $recv_data); |
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134 last if $len == 0; |
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135 $offset++; |
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136 push @name, unpack("\@$offset A$len", $recv_data); |
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137 $offset += $len; |
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138 } |
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139 |
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140 $offset -= 1; |
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141 my ($id, $type, $class) = unpack("n x$offset n2", $recv_data); |
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142 |
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143 my $name = join('.', @name); |
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144 if ($name eq 'a.example.com' && $type == A) { |
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145 push @rdata, rd_addr($ttl, '127.0.0.1'); |
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146 |
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147 } elsif ($name =~ qr/many.example.com/ && $type == A) { |
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148 push @rdata, rd_addr($ttl, '127.0.0.2'); |
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149 push @rdata, rd_addr($ttl, '127.0.0.2'); |
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150 push @rdata, rd_addr($ttl, '127.0.0.1'); |
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151 } |
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152 |
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153 $len = @name; |
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154 pack("n6 (C/a*)$len x n2", $id, $hdr | $rcode, 1, scalar @rdata, |
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155 0, 0, @name, $type, $class) . join('', @rdata); |
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156 } |
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157 |
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158 sub rd_addr { |
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159 my ($ttl, $addr) = @_; |
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160 |
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161 my $code = 'split(/\./, $addr)'; |
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162 |
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163 return pack 'n3N', 0xc00c, A, IN, $ttl if $addr eq ''; |
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164 |
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165 pack 'n3N nC4', 0xc00c, A, IN, $ttl, eval "scalar $code", eval($code); |
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166 } |
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167 |
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168 sub dns_daemon { |
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169 my ($port, $t) = @_; |
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170 |
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171 my ($data, $recv_data); |
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172 my $socket = IO::Socket::INET->new( |
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173 LocalAddr => '127.0.0.1', |
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174 LocalPort => $port, |
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175 Proto => 'udp', |
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176 ) |
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177 or die "Can't create listening socket: $!\n"; |
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178 |
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179 local $SIG{PIPE} = 'IGNORE'; |
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180 |
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181 # signal we are ready |
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182 |
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183 open my $fh, '>', $t->testdir() . '/' . $port; |
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184 close $fh; |
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185 |
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186 while (1) { |
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187 $socket->recv($recv_data, 65536); |
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188 $data = reply_handler($recv_data, $port); |
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189 $socket->send($data); |
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190 } |
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191 } |
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192 |
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193 ############################################################################### |