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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.2 by root, Thu Apr 6 20:15:10 2006 UTC vs.
Revision 1.186 by root, Tue Aug 19 17:38:29 2008 UTC

1=head1 NAME 1=head1 NAME
2 2
3Crossfire::Client - undocumented utility garbage for our crossfire client 3DC - 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
15package Crossfire::Client; 15package Deliantra::Client; # work around CPAN breakage
16package App::Deliantra; # try to reserve namespace
17package DC;
18
19use Carp ();
16 20
17BEGIN { 21BEGIN {
18 $VERSION = '0.1'; 22 $VERSION = '0.9975';
19 23
20 use XSLoader; 24 use XSLoader;
21 XSLoader::load "Crossfire::Client", $VERSION; 25 XSLoader::load "Deliantra::Client", $VERSION;
22} 26}
27
28use utf8;
29
30use AnyEvent ();
31use Pod::POM ();
32use File::Path ();
33use Storable (); # finally
34use Fcntl ();
35use JSON::XS qw(encode_json decode_json);
36
37=item guard { BLOCK }
38
39Returns an object that executes the given block as soon as it is destroyed.
40
41=cut
42
43sub guard(&) {
44 bless \(my $cb = $_[0]), "DC::Guard"
45}
46
47sub DC::Guard::DESTROY {
48 ${$_[0]}->()
49}
50
51=item shorten $string[, $maxlength]
52
53=cut
54
55sub shorten($;$) {
56 my ($str, $len) = @_;
57 substr $str, $len, (length $str), "..." if $len + 3 <= length $str;
58 $str
59}
60
61sub asxml($) {
62 local $_ = $_[0];
63
64 s/&/&amp;/g;
65 s/>/&gt;/g;
66 s/</&lt;/g;
67
68 $_
69}
70
71sub socketpipe() {
72 socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
73 or die "cannot establish bidirectional pipe: $!\n";
74
75 ($fh1, $fh2)
76}
77
78sub background(&;&) {
79 my ($bg, $cb) = @_;
80
81 my ($fh_r, $fh_w) = DC::socketpipe;
82
83 my $pid = fork;
84
85 if (defined $pid && !$pid) {
86 local $SIG{__DIE__};
87
88 open STDOUT, ">&", $fh_w;
89 open STDERR, ">&", $fh_w;
90 close $fh_r;
91 close $fh_w;
92
93 $| = 1;
94
95 eval { $bg->() };
96
97 if ($@) {
98 my $msg = $@;
99 $msg =~ s/\n+/\n/;
100 warn "FATAL: $msg";
101 DC::_exit 1;
102 }
103
104 # win32 is fucked up, of course. exit will clean stuff up,
105 # which destroys our database etc. _exit will exit ALL
106 # forked processes, because of the dreaded fork emulation.
107 DC::_exit 0;
108 }
109
110 close $fh_w;
111
112 my $buffer;
113
114 my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub {
115 unless (sysread $fh_r, $buffer, 4096, length $buffer) {
116 undef $w;
117 $cb->();
118 return;
119 }
120
121 while ($buffer =~ s/^(.*)\n//) {
122 my $line = $1;
123 $line =~ s/\s+$//;
124 utf8::decode $line;
125 if ($line =~ /^\x{e877}json_msg (.*)$/s) {
126 $cb->(JSON::XS->new->allow_nonref->decode ($1));
127 } else {
128 ::message ({
129 markup => "background($pid): " . DC::asxml $line,
130 });
131 }
132 }
133 });
134}
135
136sub background_msg {
137 my ($msg) = @_;
138
139 $msg = "\x{e877}json_msg " . JSON::XS->new->allow_nonref->encode ($msg);
140 $msg =~ s/\n//g;
141 utf8::encode $msg;
142 print $msg, "\n";
143}
144
145package DC;
146
147sub find_rcfile($) {
148 my $path;
149
150 for (grep !ref, @INC) {
151 $path = "$_/Deliantra/Client/private/resources/$_[0]";
152 return $path if -r $path;
153 }
154
155 die "FATAL: can't find required file $_[0]\n";
156}
157
158sub read_cfg {
159 my ($file) = @_;
160
161 open my $fh, $file
162 or return;
163
164 local $/;
165 my $CFG = <$fh>;
166
167 $::CFG = decode_json $CFG;
168}
169
170sub write_cfg {
171 my $file = "$Deliantra::VARDIR/client.cf";
172
173 $::CFG->{VERSION} = $::VERSION;
174
175 open my $fh, ">:utf8", $file
176 or return;
177 print $fh JSON::XS->new->utf8->pretty->encode ($::CFG);
178}
179
180sub http_proxy {
181 my @proxy = win32_proxy_info;
182
183 if (@proxy) {
184 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
185 } elsif (exists $ENV{http_proxy}) {
186 $ENV{http_proxy}
187 } else {
188 ()
189 }
190}
191
192sub set_proxy {
193 my $proxy = http_proxy
194 or return;
195
196 $ENV{http_proxy} = $proxy;
197}
198
199sub lwp_useragent {
200 require LWP::UserAgent;
201
202 DC::set_proxy;
203
204 my $ua = LWP::UserAgent->new (
205 agent => "deliantra $VERSION",
206 keep_alive => 1,
207 env_proxy => 1,
208 timeout => 30,
209 );
210}
211
212sub lwp_check($) {
213 my ($res) = @_;
214
215 $res->is_error
216 and die $res->status_line;
217
218 $res
219}
220
221sub fh_nonblocking($$) {
222 my ($fh, $nb) = @_;
223
224 if ($^O eq "MSWin32") {
225 $nb = (! ! $nb) + 0;
226 ioctl $fh, 0x8004667e, \$nb; # FIONBIO
227 } else {
228 fcntl $fh, &Fcntl::F_SETFL, $nb ? &Fcntl::O_NONBLOCK : 0;
229 }
230}
231
232package DC::Layout;
233
234$DC::OpenGL::INIT_HOOK{"DC::Layout"} = sub {
235 glyph_cache_restore;
236};
237
238$DC::OpenGL::SHUTDOWN_HOOK{"DC::Layout"} = sub {
239 glyph_cache_backup;
240};
23 241
241; 2421;
25 243
26=back 244=back
27 245

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