1 | =head1 NAME |
1 | =head1 NAME |
2 | |
2 | |
3 | Crossfire::Client - undocumented utility garbage for our crossfire client |
3 | DC - undocumented utility garbage for our deliantra client |
4 | |
4 | |
5 | =head1 SYNOPSIS |
5 | =head1 SYNOPSIS |
6 | |
6 | |
7 | use Crossfire::Client; |
7 | use DC; |
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 Deliantra::Client; # work around CPAN breakage |
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16 | package App::Deliantra; # try to reserve namespace |
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17 | package DC; |
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18 | |
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19 | use Carp (); |
16 | |
20 | |
17 | BEGIN { |
21 | BEGIN { |
18 | $VERSION = '0.1'; |
22 | $VERSION = '0.9974'; |
19 | |
23 | |
20 | use XSLoader; |
24 | use XSLoader; |
21 | XSLoader::load "Crossfire::Client", $VERSION; |
25 | XSLoader::load "Deliantra::Client", $VERSION; |
22 | } |
26 | } |
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27 | |
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28 | use utf8; |
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29 | |
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30 | use AnyEvent (); |
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31 | use Pod::POM (); |
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32 | use File::Path (); |
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33 | use Storable (); # finally |
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34 | use Fcntl (); |
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35 | use JSON::XS qw(encode_json decode_json); |
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36 | |
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37 | =item guard { BLOCK } |
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38 | |
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39 | Returns an object that executes the given block as soon as it is destroyed. |
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40 | |
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41 | =cut |
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42 | |
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43 | sub guard(&) { |
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44 | bless \(my $cb = $_[0]), "DC::Guard" |
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45 | } |
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46 | |
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47 | sub DC::Guard::DESTROY { |
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48 | ${$_[0]}->() |
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49 | } |
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50 | |
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51 | =item shorten $string[, $maxlength] |
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52 | |
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53 | =cut |
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54 | |
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55 | sub shorten($;$) { |
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56 | my ($str, $len) = @_; |
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57 | substr $str, $len, (length $str), "..." if $len + 3 <= length $str; |
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58 | $str |
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59 | } |
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60 | |
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61 | sub asxml($) { |
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62 | local $_ = $_[0]; |
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63 | |
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64 | s/&/&/g; |
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65 | s/>/>/g; |
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66 | s/</</g; |
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67 | |
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68 | $_ |
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69 | } |
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70 | |
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71 | sub socketpipe() { |
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72 | socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC |
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73 | or die "cannot establish bidirectional pipe: $!\n"; |
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74 | |
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75 | ($fh1, $fh2) |
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76 | } |
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77 | |
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78 | sub background(&;&) { |
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79 | my ($bg, $cb) = @_; |
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80 | |
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81 | my ($fh_r, $fh_w) = DC::socketpipe; |
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82 | |
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83 | my $pid = fork; |
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84 | |
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85 | if (defined $pid && !$pid) { |
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86 | local $SIG{__DIE__}; |
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87 | |
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88 | open STDOUT, ">&", $fh_w; |
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89 | open STDERR, ">&", $fh_w; |
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90 | close $fh_r; |
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91 | close $fh_w; |
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92 | |
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93 | $| = 1; |
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94 | |
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95 | eval { $bg->() }; |
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96 | |
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97 | if ($@) { |
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98 | my $msg = $@; |
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99 | $msg =~ s/\n+/\n/; |
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100 | warn "FATAL: $msg"; |
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101 | DC::_exit 1; |
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102 | } |
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103 | |
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104 | # win32 is fucked up, of course. exit will clean stuff up, |
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105 | # which destroys our database etc. _exit will exit ALL |
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106 | # forked processes, because of the dreaded fork emulation. |
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107 | DC::_exit 0; |
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108 | } |
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109 | |
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110 | close $fh_w; |
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111 | |
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112 | my $buffer; |
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113 | |
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114 | my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub { |
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115 | unless (sysread $fh_r, $buffer, 4096, length $buffer) { |
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116 | undef $w; |
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117 | $cb->(); |
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118 | return; |
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119 | } |
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120 | |
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121 | while ($buffer =~ s/^(.*)\n//) { |
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122 | my $line = $1; |
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123 | $line =~ s/\s+$//; |
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124 | utf8::decode $line; |
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125 | if ($line =~ /^\x{e877}json_msg (.*)$/s) { |
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126 | $cb->(JSON::XS->new->allow_nonref->decode ($1)); |
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127 | } else { |
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128 | ::message ({ |
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129 | markup => "background($pid): " . DC::asxml $line, |
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130 | }); |
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131 | } |
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132 | } |
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133 | }); |
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134 | } |
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135 | |
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136 | sub background_msg { |
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137 | my ($msg) = @_; |
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138 | |
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139 | $msg = "\x{e877}json_msg " . JSON::XS->new->allow_nonref->encode ($msg); |
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140 | $msg =~ s/\n//g; |
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141 | utf8::encode $msg; |
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142 | print $msg, "\n"; |
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143 | } |
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144 | |
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145 | package DC; |
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146 | |
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147 | sub find_rcfile($) { |
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148 | my $path; |
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149 | |
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150 | for (grep !ref, @INC) { |
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151 | $path = "$_/Deliantra/Client/private/resources/$_[0]"; |
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152 | return $path if -r $path; |
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153 | } |
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154 | |
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155 | die "FATAL: can't find required file $_[0]\n"; |
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156 | } |
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157 | |
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158 | sub read_cfg { |
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159 | my ($file) = @_; |
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160 | |
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161 | open my $fh, $file |
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162 | or return; |
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163 | |
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164 | local $/; |
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165 | my $CFG = <$fh>; |
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166 | |
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167 | $::CFG = decode_json $CFG; |
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168 | } |
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169 | |
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170 | sub write_cfg { |
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171 | my $file = "$Deliantra::VARDIR/client.cf"; |
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172 | |
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173 | $::CFG->{VERSION} = $::VERSION; |
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174 | |
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175 | open my $fh, ">:utf8", $file |
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176 | or return; |
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177 | print $fh JSON::XS->new->utf8->pretty->encode ($::CFG); |
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178 | } |
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179 | |
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180 | sub http_proxy { |
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181 | my @proxy = win32_proxy_info; |
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182 | |
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183 | if (@proxy) { |
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184 | "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0] |
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185 | } elsif (exists $ENV{http_proxy}) { |
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186 | $ENV{http_proxy} |
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187 | } else { |
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188 | () |
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189 | } |
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190 | } |
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191 | |
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192 | sub set_proxy { |
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193 | my $proxy = http_proxy |
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194 | or return; |
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195 | |
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196 | $ENV{http_proxy} = $proxy; |
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197 | } |
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198 | |
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199 | sub lwp_useragent { |
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200 | require LWP::UserAgent; |
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201 | |
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202 | DC::set_proxy; |
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203 | |
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204 | my $ua = LWP::UserAgent->new ( |
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205 | agent => "deliantra $VERSION", |
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206 | keep_alive => 1, |
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207 | env_proxy => 1, |
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208 | timeout => 30, |
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209 | ); |
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210 | } |
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211 | |
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212 | sub lwp_check($) { |
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213 | my ($res) = @_; |
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214 | |
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215 | $res->is_error |
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216 | and die $res->status_line; |
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217 | |
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218 | $res |
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219 | } |
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220 | |
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221 | sub fh_nonblocking($$) { |
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222 | my ($fh, $nb) = @_; |
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223 | |
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224 | if ($^O eq "MSWin32") { |
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225 | $nb = (! ! $nb) + 0; |
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226 | ioctl $fh, 0x8004667e, \$nb; # FIONBIO |
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227 | } else { |
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228 | fcntl $fh, &Fcntl::F_SETFL, $nb ? &Fcntl::O_NONBLOCK : 0; |
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229 | } |
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230 | } |
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231 | |
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232 | package DC::Layout; |
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233 | |
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234 | $DC::OpenGL::INIT_HOOK{"DC::Layout"} = sub { |
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235 | glyph_cache_restore; |
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236 | }; |
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237 | |
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238 | $DC::OpenGL::SHUTDOWN_HOOK{"DC::Layout"} = sub { |
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239 | glyph_cache_backup; |
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240 | }; |
23 | |
241 | |
24 | 1; |
242 | 1; |
25 | |
243 | |
26 | =back |
244 | =back |
27 | |
245 | |