1 | =head1 NAME |
1 | =head1 NAME |
2 | |
2 | |
3 | Crossfire::Client - undocumented utility garbage for our crossfire client |
3 | CFPlus - undocumented utility garbage for our crossfire client |
4 | |
4 | |
5 | =head1 SYNOPSIS |
5 | =head1 SYNOPSIS |
6 | |
6 | |
7 | use Crossfire::Client; |
7 | use CFPlus; |
8 | |
8 | |
9 | =head1 DESCRIPTION |
9 | =head1 DESCRIPTION |
10 | |
10 | |
11 | =over 4 |
11 | =over 4 |
12 | |
12 | |
13 | =cut |
13 | =cut |
14 | |
14 | |
15 | package Crossfire::Client; |
15 | package CFPlus; |
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16 | |
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17 | use Carp (); |
16 | |
18 | |
17 | BEGIN { |
19 | BEGIN { |
18 | $VERSION = '0.1'; |
20 | $VERSION = '0.9841'; |
19 | |
21 | |
20 | use XSLoader; |
22 | use XSLoader; |
21 | XSLoader::load "Crossfire::Client", $VERSION; |
23 | XSLoader::load "CFPlus", $VERSION; |
22 | } |
24 | } |
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25 | |
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26 | use utf8; |
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27 | |
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28 | use AnyEvent (); |
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29 | use Pod::POM (); |
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30 | use File::Path (); |
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31 | use Storable (); # finally |
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32 | use Fcntl (); |
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33 | use JSON::XS qw(to_json from_json); |
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34 | |
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35 | =item guard { BLOCK } |
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36 | |
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37 | Returns an object that executes the given block as soon as it is destroyed. |
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38 | |
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39 | =cut |
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40 | |
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41 | sub guard(&) { |
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42 | bless \(my $cb = $_[0]), "CFPlus::Guard" |
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43 | } |
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44 | |
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45 | sub CFPlus::Guard::DESTROY { |
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46 | ${$_[0]}->() |
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47 | } |
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48 | |
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49 | =item shorten $string[, $maxlength] |
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50 | |
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51 | =cut |
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52 | |
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53 | sub shorten($;$) { |
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54 | my ($str, $len) = @_; |
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55 | substr $str, $len, (length $str), "..." if $len + 3 <= length $str; |
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56 | $str |
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57 | } |
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58 | |
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59 | sub asxml($) { |
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60 | local $_ = $_[0]; |
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61 | |
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62 | s/&/&/g; |
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63 | s/>/>/g; |
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64 | s/</</g; |
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65 | |
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66 | $_ |
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67 | } |
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68 | |
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69 | sub socketpipe() { |
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70 | socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC |
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71 | or die "cannot establish bidirectional pipe: $!\n"; |
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72 | |
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73 | ($fh1, $fh2) |
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74 | } |
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75 | |
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76 | sub background(&;&) { |
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77 | my ($bg, $cb) = @_; |
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78 | |
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79 | my ($fh_r, $fh_w) = CFPlus::socketpipe; |
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80 | |
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81 | my $pid = fork; |
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82 | |
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83 | if (defined $pid && !$pid) { |
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84 | local $SIG{__DIE__}; |
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85 | |
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86 | open STDOUT, ">&", $fh_w; |
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87 | open STDERR, ">&", $fh_w; |
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88 | close $fh_r; |
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89 | close $fh_w; |
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90 | |
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91 | $| = 1; |
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92 | |
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93 | eval { $bg->() }; |
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94 | |
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95 | if ($@) { |
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96 | my $msg = $@; |
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97 | $msg =~ s/\n+/\n/; |
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98 | warn "FATAL: $msg"; |
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99 | CFPlus::_exit 1; |
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100 | } |
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101 | |
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102 | # win32 is fucked up, of course. exit will clean stuff up, |
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103 | # which destroys our database etc. _exit will exit ALL |
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104 | # forked processes, because of the dreaded fork emulation. |
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105 | CFPlus::_exit 0; |
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106 | } |
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107 | |
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108 | close $fh_w; |
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109 | |
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110 | my $buffer; |
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111 | |
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112 | my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub { |
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113 | unless (sysread $fh_r, $buffer, 4096, length $buffer) { |
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114 | undef $w; |
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115 | $cb->(); |
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116 | return; |
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117 | } |
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118 | |
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119 | while ($buffer =~ s/^(.*)\n//) { |
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120 | my $line = $1; |
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121 | $line =~ s/\s+$//; |
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122 | utf8::decode $line; |
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123 | if ($line =~ /^\x{e877}json_msg (.*)$/s) { |
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124 | $cb->(JSON::XS->new->allow_nonref->decode ($1)); |
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125 | } else { |
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126 | ::message ({ |
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127 | markup => "background($pid): " . CFPlus::asxml $line, |
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128 | }); |
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129 | } |
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130 | } |
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131 | }); |
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132 | } |
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133 | |
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134 | sub background_msg { |
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135 | my ($msg) = @_; |
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136 | |
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137 | $msg = "\x{e877}json_msg " . JSON::XS->new->allow_nonref->encode ($msg); |
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138 | $msg =~ s/\n//g; |
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139 | utf8::encode $msg; |
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140 | print $msg, "\n"; |
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141 | } |
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142 | |
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143 | package CFPlus; |
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144 | |
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145 | sub find_rcfile($) { |
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146 | my $path; |
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147 | |
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148 | for (grep !ref, @INC) { |
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149 | $path = "$_/CFPlus/resources/$_[0]"; |
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150 | return $path if -r $path; |
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151 | } |
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152 | |
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153 | die "FATAL: can't find required file $_[0]\n"; |
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154 | } |
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155 | |
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156 | sub read_cfg { |
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157 | my ($file) = @_; |
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158 | |
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159 | open my $fh, $file |
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160 | or return; |
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161 | |
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162 | local $/; |
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163 | my $CFG = <$fh>; |
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164 | |
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165 | if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove |
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166 | require YAML; |
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167 | utf8::decode $CFG; |
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168 | $::CFG = YAML::Load ($CFG); |
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169 | } elsif ($CFG =~ /^\{/) { |
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170 | $::CFG = from_json $CFG; |
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171 | } else { |
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172 | $::CFG = eval $CFG; ## todo comaptibility cruft |
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173 | } |
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174 | } |
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175 | |
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176 | sub write_cfg { |
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177 | my ($file) = @_; |
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178 | |
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179 | $::CFG->{VERSION} = $::VERSION; |
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180 | |
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181 | open my $fh, ">:utf8", $file |
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182 | or return; |
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183 | print $fh to_json $::CFG; |
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184 | } |
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185 | |
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186 | sub http_proxy { |
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187 | my @proxy = win32_proxy_info; |
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188 | |
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189 | if (@proxy) { |
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190 | "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0] |
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191 | } elsif (exists $ENV{http_proxy}) { |
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192 | $ENV{http_proxy} |
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193 | } else { |
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194 | () |
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195 | } |
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196 | } |
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197 | |
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198 | sub set_proxy { |
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199 | my $proxy = http_proxy |
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200 | or return; |
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201 | |
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202 | $ENV{http_proxy} = $proxy; |
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203 | } |
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204 | |
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205 | sub lwp_useragent { |
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206 | require LWP::UserAgent; |
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207 | |
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208 | CFPlus::set_proxy; |
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209 | |
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210 | my $ua = LWP::UserAgent->new ( |
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211 | agent => "cfplus $VERSION", |
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212 | keep_alive => 1, |
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213 | env_proxy => 1, |
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214 | timeout => 30, |
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215 | ); |
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216 | } |
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217 | |
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218 | sub lwp_check($) { |
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219 | my ($res) = @_; |
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220 | |
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221 | $res->is_error |
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222 | and die $res->status_line; |
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223 | |
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224 | $res |
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225 | } |
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226 | |
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227 | sub fh_nonblocking($$) { |
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228 | my ($fh, $nb) = @_; |
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229 | |
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230 | if ($^O eq "MSWin32") { |
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231 | $nb = (! ! $nb) + 0; |
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232 | ioctl $fh, 0x8004667e, \$nb; # FIONBIO |
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233 | } else { |
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234 | fcntl $fh, &Fcntl::F_SETFL, $nb ? &Fcntl::O_NONBLOCK : 0; |
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235 | } |
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236 | |
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237 | } |
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238 | |
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239 | package CFPlus::Layout; |
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240 | |
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241 | $CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub { |
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242 | reset_glyph_cache; |
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243 | }; |
23 | |
244 | |
24 | 1; |
245 | 1; |
25 | |
246 | |
26 | =back |
247 | =back |
27 | |
248 | |