| 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; |
|
|
16 | |
|
|
17 | use Carp (); |
| 16 | |
18 | |
| 17 | BEGIN { |
19 | BEGIN { |
| 18 | $VERSION = '0.1'; |
20 | $VERSION = '0.97'; |
| 19 | @ISA = qw(Exporter); |
|
|
| 20 | |
21 | |
| 21 | require XSLoader; |
22 | use XSLoader; |
| 22 | XSLoader::load "Crossfire::Client", $VERSION; |
23 | XSLoader::load "CFPlus", $VERSION; |
| 23 | } |
24 | } |
|
|
25 | |
|
|
26 | use utf8; |
|
|
27 | |
|
|
28 | use AnyEvent (); |
|
|
29 | use BerkeleyDB; |
|
|
30 | use Pod::POM (); |
|
|
31 | use File::Path (); |
|
|
32 | use Storable (); # finally |
|
|
33 | |
|
|
34 | BEGIN { |
|
|
35 | use Crossfire::Protocol::Base (); |
|
|
36 | *to_json = \&Crossfire::Protocol::Base::to_json; |
|
|
37 | *from_json = \&Crossfire::Protocol::Base::from_json; |
|
|
38 | } |
|
|
39 | |
|
|
40 | =item guard { BLOCK } |
|
|
41 | |
|
|
42 | Returns an object that executes the given block as soon as it is destroyed. |
|
|
43 | |
|
|
44 | =cut |
|
|
45 | |
|
|
46 | sub guard(&) { |
|
|
47 | bless \(my $cb = $_[0]), "CFPlus::Guard" |
|
|
48 | } |
|
|
49 | |
|
|
50 | sub CFPlus::Guard::DESTROY { |
|
|
51 | ${$_[0]}->() |
|
|
52 | } |
|
|
53 | |
|
|
54 | =item shorten $string[, $maxlength] |
|
|
55 | |
|
|
56 | =cut |
|
|
57 | |
|
|
58 | sub shorten($;$) { |
|
|
59 | my ($str, $len) = @_; |
|
|
60 | substr $str, $len, (length $str), "..." if $len + 3 <= length $str; |
|
|
61 | $str |
|
|
62 | } |
|
|
63 | |
|
|
64 | sub asxml($) { |
|
|
65 | local $_ = $_[0]; |
|
|
66 | |
|
|
67 | s/&/&/g; |
|
|
68 | s/>/>/g; |
|
|
69 | s/</</g; |
|
|
70 | |
|
|
71 | $_ |
|
|
72 | } |
|
|
73 | |
|
|
74 | sub socketpipe() { |
|
|
75 | socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC |
|
|
76 | or die "cannot establish bidiretcional pipe: $!\n"; |
|
|
77 | |
|
|
78 | ($fh1, $fh2) |
|
|
79 | } |
|
|
80 | |
|
|
81 | sub background(&;&) { |
|
|
82 | my ($bg, $cb) = @_; |
|
|
83 | |
|
|
84 | my ($fh_r, $fh_w) = CFPlus::socketpipe; |
|
|
85 | |
|
|
86 | my $pid = fork; |
|
|
87 | |
|
|
88 | if (defined $pid && !$pid) { |
|
|
89 | local $SIG{__DIE__}; |
|
|
90 | |
|
|
91 | open STDOUT, ">&", $fh_w; |
|
|
92 | open STDERR, ">&", $fh_w; |
|
|
93 | close $fh_r; |
|
|
94 | close $fh_w; |
|
|
95 | |
|
|
96 | $| = 1; |
|
|
97 | |
|
|
98 | eval { $bg->() }; |
|
|
99 | |
|
|
100 | if ($@) { |
|
|
101 | my $msg = $@; |
|
|
102 | $msg =~ s/\n+/\n/; |
|
|
103 | warn "FATAL: $msg"; |
|
|
104 | CFPlus::_exit 1; |
|
|
105 | } |
|
|
106 | |
|
|
107 | # win32 is fucked up, of course. exit will clean stuff up, |
|
|
108 | # which destroys our database etc. _exit will exit ALL |
|
|
109 | # forked processes, because of the dreaded fork emulation. |
|
|
110 | CFPlus::_exit 0; |
|
|
111 | } |
|
|
112 | |
|
|
113 | close $fh_w; |
|
|
114 | |
|
|
115 | my $buffer; |
|
|
116 | |
|
|
117 | my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub { |
|
|
118 | unless (sysread $fh_r, $buffer, 4096, length $buffer) { |
|
|
119 | undef $w; |
|
|
120 | $cb->(); |
|
|
121 | return; |
|
|
122 | } |
|
|
123 | |
|
|
124 | while ($buffer =~ s/^(.*)\n//) { |
|
|
125 | my $line = $1; |
|
|
126 | $line =~ s/\s+$//; |
|
|
127 | utf8::decode $line; |
|
|
128 | if ($line =~ /^\x{e877}json_msg (.*)$/s) { |
|
|
129 | $cb->(from_json $1); |
|
|
130 | } else { |
|
|
131 | ::message ({ |
|
|
132 | markup => "background($pid): " . CFPlus::asxml $line, |
|
|
133 | }); |
|
|
134 | } |
|
|
135 | } |
|
|
136 | }); |
|
|
137 | } |
|
|
138 | |
|
|
139 | sub background_msg { |
|
|
140 | my ($msg) = @_; |
|
|
141 | |
|
|
142 | $msg = "\x{e877}json_msg " . to_json $msg; |
|
|
143 | $msg =~ s/\n//g; |
|
|
144 | utf8::encode $msg; |
|
|
145 | print $msg, "\n"; |
|
|
146 | } |
|
|
147 | |
|
|
148 | package CFPlus::Database; |
|
|
149 | |
|
|
150 | our @ISA = BerkeleyDB::Btree::; |
|
|
151 | |
|
|
152 | sub get($$) { |
|
|
153 | my $data; |
|
|
154 | |
|
|
155 | $_[0]->db_get ($_[1], $data) == 0 |
|
|
156 | ? $data |
|
|
157 | : () |
|
|
158 | } |
|
|
159 | |
|
|
160 | my %DB_SYNC; |
|
|
161 | |
|
|
162 | sub put($$$) { |
|
|
163 | my ($db, $key, $data) = @_; |
|
|
164 | |
|
|
165 | my $hkey = $db + 0; |
|
|
166 | CFPlus::weaken $db; |
|
|
167 | $DB_SYNC{$hkey} ||= AnyEvent->timer (after => 5, cb => sub { |
|
|
168 | delete $DB_SYNC{$hkey}; |
|
|
169 | $db->db_sync if $db; |
|
|
170 | }); |
|
|
171 | |
|
|
172 | $db->db_put ($key => $data) |
|
|
173 | } |
|
|
174 | |
|
|
175 | package CFPlus; |
|
|
176 | |
|
|
177 | sub find_rcfile($) { |
|
|
178 | my $path; |
|
|
179 | |
|
|
180 | for (grep !ref, @INC) { |
|
|
181 | $path = "$_/CFPlus/resources/$_[0]"; |
|
|
182 | return $path if -r $path; |
|
|
183 | } |
|
|
184 | |
|
|
185 | die "FATAL: can't find required file $_[0]\n"; |
|
|
186 | } |
|
|
187 | |
|
|
188 | sub read_cfg { |
|
|
189 | my ($file) = @_; |
|
|
190 | |
|
|
191 | open my $fh, $file |
|
|
192 | or return; |
|
|
193 | |
|
|
194 | local $/; |
|
|
195 | my $CFG = <$fh>; |
|
|
196 | |
|
|
197 | if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove |
|
|
198 | require YAML; |
|
|
199 | utf8::decode $CFG; |
|
|
200 | $::CFG = YAML::Load ($CFG); |
|
|
201 | } elsif ($CFG =~ /^\{/) { |
|
|
202 | $::CFG = from_json $CFG; |
|
|
203 | } else { |
|
|
204 | $::CFG = eval $CFG; ## todo comaptibility cruft |
|
|
205 | } |
|
|
206 | } |
|
|
207 | |
|
|
208 | sub write_cfg { |
|
|
209 | my ($file) = @_; |
|
|
210 | |
|
|
211 | $::CFG->{VERSION} = $::VERSION; |
|
|
212 | |
|
|
213 | open my $fh, ">:utf8", $file |
|
|
214 | or return; |
|
|
215 | print $fh to_json $::CFG; |
|
|
216 | } |
|
|
217 | |
|
|
218 | sub http_proxy { |
|
|
219 | my @proxy = win32_proxy_info; |
|
|
220 | |
|
|
221 | if (@proxy) { |
|
|
222 | "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0] |
|
|
223 | } elsif (exists $ENV{http_proxy}) { |
|
|
224 | $ENV{http_proxy} |
|
|
225 | } else { |
|
|
226 | () |
|
|
227 | } |
|
|
228 | } |
|
|
229 | |
|
|
230 | sub set_proxy { |
|
|
231 | my $proxy = http_proxy |
|
|
232 | or return; |
|
|
233 | |
|
|
234 | $ENV{http_proxy} = $proxy; |
|
|
235 | } |
|
|
236 | |
|
|
237 | sub lwp_useragent { |
|
|
238 | require LWP::UserAgent; |
|
|
239 | |
|
|
240 | CFPlus::set_proxy; |
|
|
241 | |
|
|
242 | my $ua = LWP::UserAgent->new ( |
|
|
243 | agent => "cfplus $VERSION", |
|
|
244 | keep_alive => 1, |
|
|
245 | env_proxy => 1, |
|
|
246 | timeout => 30, |
|
|
247 | ); |
|
|
248 | } |
|
|
249 | |
|
|
250 | sub lwp_check($) { |
|
|
251 | my ($res) = @_; |
|
|
252 | |
|
|
253 | $res->is_error |
|
|
254 | and die $res->status_line; |
|
|
255 | |
|
|
256 | $res |
|
|
257 | } |
|
|
258 | |
|
|
259 | our $DB_ENV; |
|
|
260 | our $DB_STATE; |
|
|
261 | |
|
|
262 | sub db_table($) { |
|
|
263 | my ($table) = @_; |
|
|
264 | |
|
|
265 | $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge; |
|
|
266 | |
|
|
267 | new CFPlus::Database |
|
|
268 | -Env => $DB_ENV, |
|
|
269 | -Filename => $table, |
|
|
270 | # -Filename => "database", |
|
|
271 | # -Subname => $table, |
|
|
272 | -Property => DB_CHKSUM, |
|
|
273 | -Flags => DB_CREATE | DB_UPGRADE, |
|
|
274 | or die "unable to create/open database table $_[0]: $BerkeleyDB::Error" |
|
|
275 | } |
|
|
276 | |
|
|
277 | our $DB_HOME = "$Crossfire::VARDIR/cfplus"; |
|
|
278 | |
|
|
279 | sub open_db { |
|
|
280 | use strict; |
|
|
281 | |
|
|
282 | mkdir $DB_HOME, 0777; |
|
|
283 | my $recover = $BerkeleyDB::db_version >= 4.4 |
|
|
284 | ? eval "DB_REGISTER | DB_RECOVER" |
|
|
285 | : 0; |
|
|
286 | |
|
|
287 | $DB_ENV = new BerkeleyDB::Env |
|
|
288 | -Home => $DB_HOME, |
|
|
289 | -Cachesize => 1_000_000, |
|
|
290 | -ErrFile => "$DB_HOME/errorlog.txt", |
|
|
291 | # -ErrPrefix => "DATABASE", |
|
|
292 | -Verbose => 1, |
|
|
293 | -Flags => DB_CREATE | DB_RECOVER | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN | $recover, |
|
|
294 | -SetFlags => DB_AUTO_COMMIT | DB_LOG_AUTOREMOVE, |
|
|
295 | or die "unable to create/open database home $DB_HOME: $BerkeleyDB::Error"; |
|
|
296 | |
|
|
297 | $DB_STATE = db_table "state"; |
|
|
298 | |
|
|
299 | 1 |
|
|
300 | } |
|
|
301 | |
|
|
302 | unless (eval { open_db }) { |
|
|
303 | File::Path::rmtree $DB_HOME; |
|
|
304 | open_db; |
|
|
305 | } |
|
|
306 | |
|
|
307 | package CFPlus::Layout; |
|
|
308 | |
|
|
309 | $CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub { |
|
|
310 | reset_glyph_cache; |
|
|
311 | }; |
| 24 | |
312 | |
| 25 | 1; |
313 | 1; |
| 26 | |
314 | |
| 27 | =back |
315 | =back |
| 28 | |
316 | |
