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/cvs/deliantra/Deliantra-Client/DC.pm
Revision: 1.135
Committed: Thu Dec 7 15:57:13 2006 UTC (17 years, 5 months ago) by root
Branch: MAIN
Changes since 1.134: +15 -7 lines
Log Message:
remove and recreate database if unreadbale

File Contents

# Content
1 =head1 NAME
2
3 CFPlus - undocumented utility garbage for our crossfire client
4
5 =head1 SYNOPSIS
6
7 use CFPlus;
8
9 =head1 DESCRIPTION
10
11 =over 4
12
13 =cut
14
15 package CFPlus;
16
17 use Carp ();
18
19 BEGIN {
20 $VERSION = '0.97';
21
22 use XSLoader;
23 XSLoader::load "CFPlus", $VERSION;
24 }
25
26 use utf8;
27
28 use AnyEvent ();
29 use BerkeleyDB;
30 use Pod::POM ();
31 use Scalar::Util ();
32 use File::Path ();
33 use Storable (); # finally
34
35 BEGIN {
36 use Crossfire::Protocol::Base ();
37 *to_json = \&Crossfire::Protocol::Base::to_json;
38 *from_json = \&Crossfire::Protocol::Base::from_json;
39 }
40
41 =item guard { BLOCK }
42
43 Returns an object that executes the given block as soon as it is destroyed.
44
45 =cut
46
47 sub guard(&) {
48 bless \(my $cb = $_[0]), "CFPlus::Guard"
49 }
50
51 sub CFPlus::Guard::DESTROY {
52 ${$_[0]}->()
53 }
54
55 =item shorten $string[, $maxlength]
56
57 =cut
58
59 sub shorten($;$) {
60 my ($str, $len) = @_;
61 substr $str, $len, (length $str), "..." if $len + 3 <= length $str;
62 $str
63 }
64
65 sub asxml($) {
66 local $_ = $_[0];
67
68 s/&/&amp;/g;
69 s/>/&gt;/g;
70 s/</&lt;/g;
71
72 $_
73 }
74
75 sub socketpipe() {
76 socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
77 or die "cannot establish bidiretcional pipe: $!\n";
78
79 ($fh1, $fh2)
80 }
81
82 sub background(&;&) {
83 my ($bg, $cb) = @_;
84
85 my ($fh_r, $fh_w) = CFPlus::socketpipe;
86
87 my $pid = fork;
88
89 if (defined $pid && !$pid) {
90 local $SIG{__DIE__};
91
92 open STDOUT, ">&", $fh_w;
93 open STDERR, ">&", $fh_w;
94 close $fh_r;
95 close $fh_w;
96
97 $| = 1;
98
99 eval { $bg->() };
100
101 if ($@) {
102 my $msg = $@;
103 $msg =~ s/\n+/\n/;
104 warn "FATAL: $msg";
105 CFPlus::_exit 1;
106 }
107
108 # win32 is fucked up, of course. exit will clean stuff up,
109 # which destroys our database etc. _exit will exit ALL
110 # forked processes, because of the dreaded fork emulation.
111 CFPlus::_exit 0;
112 }
113
114 close $fh_w;
115
116 my $buffer;
117
118 my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub {
119 unless (sysread $fh_r, $buffer, 4096, length $buffer) {
120 undef $w;
121 $cb->();
122 return;
123 }
124
125 while ($buffer =~ s/^(.*)\n//) {
126 my $line = $1;
127 $line =~ s/\s+$//;
128 utf8::decode $line;
129 if ($line =~ /^\x{e877}json_msg (.*)$/s) {
130 $cb->(from_json $1);
131 } else {
132 ::message ({
133 markup => "background($pid): " . CFPlus::asxml $line,
134 });
135 }
136 }
137 });
138 }
139
140 sub background_msg {
141 my ($msg) = @_;
142
143 $msg = "\x{e877}json_msg " . to_json $msg;
144 $msg =~ s/\n//g;
145 utf8::encode $msg;
146 print $msg, "\n";
147 }
148
149 package CFPlus::Database;
150
151 our @ISA = BerkeleyDB::Btree::;
152
153 sub get($$) {
154 my $data;
155
156 $_[0]->db_get ($_[1], $data) == 0
157 ? $data
158 : ()
159 }
160
161 my %DB_SYNC;
162
163 sub put($$$) {
164 my ($db, $key, $data) = @_;
165
166 my $hkey = $db + 0;
167 Scalar::Util::weaken $db;
168 $DB_SYNC{$hkey} ||= AnyEvent->timer (after => 5, cb => sub {
169 delete $DB_SYNC{$hkey};
170 $db->db_sync if $db;
171 });
172
173 $db->db_put ($key => $data)
174 }
175
176 package CFPlus;
177
178 sub find_rcfile($) {
179 my $path;
180
181 for (grep !ref, @INC) {
182 $path = "$_/CFPlus/resources/$_[0]";
183 return $path if -r $path;
184 }
185
186 die "FATAL: can't find required file $_[0]\n";
187 }
188
189 sub read_cfg {
190 my ($file) = @_;
191
192 open my $fh, $file
193 or return;
194
195 local $/;
196 my $CFG = <$fh>;
197
198 if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove
199 require YAML;
200 utf8::decode $CFG;
201 $::CFG = YAML::Load ($CFG);
202 } elsif ($CFG =~ /^\{/) {
203 $::CFG = from_json $CFG;
204 } else {
205 $::CFG = eval $CFG; ## todo comaptibility cruft
206 }
207 }
208
209 sub write_cfg {
210 my ($file) = @_;
211
212 $::CFG->{VERSION} = $::VERSION;
213
214 open my $fh, ">:utf8", $file
215 or return;
216 print $fh to_json $::CFG;
217 }
218
219 sub http_proxy {
220 my @proxy = win32_proxy_info;
221
222 if (@proxy) {
223 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
224 } elsif (exists $ENV{http_proxy}) {
225 $ENV{http_proxy}
226 } else {
227 ()
228 }
229 }
230
231 sub set_proxy {
232 my $proxy = http_proxy
233 or return;
234
235 $ENV{http_proxy} = $proxy;
236 }
237
238 sub lwp_useragent {
239 require LWP::UserAgent;
240
241 CFPlus::set_proxy;
242
243 my $ua = LWP::UserAgent->new (
244 agent => "cfplus $VERSION",
245 keep_alive => 1,
246 env_proxy => 1,
247 timeout => 30,
248 );
249 }
250
251 sub lwp_check($) {
252 my ($res) = @_;
253
254 $res->is_error
255 and die $res->status_line;
256
257 $res
258 }
259
260 our $DB_ENV;
261 our $DB_STATE;
262
263 sub db_table($) {
264 my ($table) = @_;
265
266 $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
267
268 new CFPlus::Database
269 -Env => $DB_ENV,
270 -Filename => $table,
271 # -Filename => "database",
272 # -Subname => $table,
273 -Property => DB_CHKSUM,
274 -Flags => DB_CREATE | DB_UPGRADE,
275 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error"
276 }
277
278 our $DB_HOME = "$Crossfire::VARDIR/cfplus";
279
280 sub open_db {
281 use strict;
282
283 mkdir $DB_HOME, 0777;
284 my $recover = $BerkeleyDB::db_version >= 4.4
285 ? eval "DB_REGISTER | DB_RECOVER"
286 : 0;
287
288 $DB_ENV = new BerkeleyDB::Env
289 -Home => $DB_HOME,
290 -Cachesize => 1_000_000,
291 -ErrFile => "$DB_HOME/errorlog.txt",
292 # -ErrPrefix => "DATABASE",
293 -Verbose => 1,
294 -Flags => DB_CREATE | DB_RECOVER | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN | $recover,
295 -SetFlags => DB_AUTO_COMMIT | DB_LOG_AUTOREMOVE,
296 or die "unable to create/open database home $DB_HOME: $BerkeleyDB::Error";
297
298 $DB_STATE = db_table "state";
299
300 1
301 }
302
303 unless (eval { open_db }) {
304 File::Path::rmtree $DB_HOME;
305 open_db;
306 }
307
308 package CFPlus::Layout;
309
310 $CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub {
311 reset_glyph_cache;
312 };
313
314 package CFPlus::Item;
315
316 use strict;
317 use Crossfire::Protocol::Constants;
318
319 my $last_enter_count = 1;
320
321 sub desc_string {
322 my ($self) = @_;
323
324 my $desc =
325 $self->{nrof} < 2
326 ? $self->{name}
327 : "$self->{nrof} × $self->{name_pl}";
328
329 $self->{flags} & F_OPEN
330 and $desc .= " (open)";
331 $self->{flags} & F_APPLIED
332 and $desc .= " (applied)";
333 $self->{flags} & F_UNPAID
334 and $desc .= " (unpaid)";
335 $self->{flags} & F_MAGIC
336 and $desc .= " (magic)";
337 $self->{flags} & F_CURSED
338 and $desc .= " (cursed)";
339 $self->{flags} & F_DAMNED
340 and $desc .= " (damned)";
341 $self->{flags} & F_LOCKED
342 and $desc .= " *";
343
344 $desc
345 }
346
347 sub weight_string {
348 my ($self) = @_;
349
350 my $weight = ($self->{nrof} || 1) * $self->{weight};
351
352 $weight < 0 ? "?" : $weight * 0.001
353 }
354
355 sub do_n_dialog {
356 my ($cb) = @_;
357
358 my $w = new CFPlus::UI::Toplevel
359 on_delete => sub { $_[0]->destroy; 1 },
360 has_close_button => 1,
361 ;
362
363 $w->add (my $vb = new CFPlus::UI::VBox x => "center", y => "center");
364 $vb->add (new CFPlus::UI::Label text => "Enter item count:");
365 $vb->add (my $entry = new CFPlus::UI::Entry
366 text => $last_enter_count,
367 on_activate => sub {
368 my ($entry) = @_;
369 $last_enter_count = $entry->get_text;
370 $cb->($last_enter_count);
371 $w->hide;
372 $w->destroy;
373
374 0
375 },
376 on_escape => sub { $w->destroy; 1 },
377 );
378 $entry->grab_focus;
379 $w->show;
380 }
381
382 sub update_widgets {
383 my ($self) = @_;
384
385 # necessary to avoid cyclic references
386 Scalar::Util::weaken $self;
387
388 my $button_cb = sub {
389 my (undef, $ev, $x, $y) = @_;
390
391 my $targ = $::CONN->{player}{tag};
392
393 if ($self->{container} == $::CONN->{player}{tag}) {
394 $targ = $::CONN->{open_container};
395 }
396
397 if (($ev->{mod} & CFPlus::KMOD_SHIFT) && $ev->{button} == 1) {
398 $::CONN->send ("move $targ $self->{tag} 0")
399 if $targ || !($self->{flags} & F_LOCKED);
400 } elsif (($ev->{mod} & CFPlus::KMOD_SHIFT) && $ev->{button} == 2) {
401 $self->{flags} & F_LOCKED
402 ? $::CONN->send ("lock " . pack "CN", 0, $self->{tag})
403 : $::CONN->send ("lock " . pack "CN", 1, $self->{tag})
404 } elsif ($ev->{button} == 1) {
405 $::CONN->send ("examine $self->{tag}");
406 } elsif ($ev->{button} == 2) {
407 $::CONN->send ("apply $self->{tag}");
408 } elsif ($ev->{button} == 3) {
409 my $move_prefix = $::CONN->{open_container} ? 'put' : 'drop';
410 if ($self->{container} == $::CONN->{open_container}) {
411 $move_prefix = "take";
412 }
413
414 my $shortname = CFPlus::shorten $self->{name}, 14;
415
416 my @menu_items = (
417 ["examine", sub { $::CONN->send ("examine $self->{tag}") }],
418 ["mark", sub { $::CONN->send ("mark ". pack "N", $self->{tag}) }],
419 ["ignite/thaw", # first try of an easier use of flint&steel
420 sub {
421 $::CONN->send ("mark ". pack "N", $self->{tag});
422 $::CONN->send ("command apply flint and steel");
423 }
424 ],
425 ["inscribe", # first try of an easier use of flint&steel
426 sub {
427 &::open_string_query ("Text to inscribe", sub {
428 my ($entry, $txt) = @_;
429 $::CONN->send ("mark ". pack "N", $self->{tag});
430 $::CONN->send ("command use_skill inscription $txt");
431 });
432 }
433 ],
434 ["rename", # first try of an easier use of flint&steel
435 sub {
436 &::open_string_query ("Rename item to:", sub {
437 my ($entry, $txt) = @_;
438 $::CONN->send ("mark ". pack "N", $self->{tag});
439 $::CONN->send ("command rename to <$txt>");
440 }, $self->{name},
441 "If you input no name or erase the current custom name, the custom name will be unset");
442 }
443 ],
444 ["apply", sub { $::CONN->send ("apply $self->{tag}") }],
445 (
446 $self->{flags} & F_LOCKED
447 ? (
448 ["unlock", sub { $::CONN->send ("lock " . pack "CN", 0, $self->{tag}) }],
449 )
450 : (
451 ["lock", sub { $::CONN->send ("lock " . pack "CN", 1, $self->{tag}) }],
452 ["$move_prefix all", sub { $::CONN->send ("move $targ $self->{tag} 0") }],
453 ["$move_prefix &lt;n&gt;",
454 sub {
455 do_n_dialog (sub { $::CONN->send ("move $targ $self->{tag} $_[0]") })
456 }
457 ]
458 )
459 ),
460 ["bind <i>apply $shortname</i> to a key" => sub { $::BIND_EDITOR->do_quick_binding (["apply $self->{name}"]) }],
461 );
462
463 CFPlus::UI::Menu->new (items => \@menu_items)->popup ($ev);
464 }
465
466 1
467 };
468
469 my $tooltip_std = "<small>"
470 . "Left click - examine item\n"
471 . "Shift-Left click - " . ($self->{container} ? "move or drop" : "take") . " item\n"
472 . "Middle click - apply\n"
473 . "Shift-Middle click - lock/unlock\n"
474 . "Right click - further options"
475 . "</small>\n";
476
477 my $bg = $self->{flags} & F_CURSED ? [1 , 0 , 0, 0.5]
478 : $self->{flags} & F_MAGIC ? [0.2, 0.2, 1, 0.5]
479 : undef;
480
481 $self->{face_widget} ||= new CFPlus::UI::Face
482 can_events => 1,
483 can_hover => 1,
484 anim => $self->{anim},
485 animspeed => $self->{animspeed}, # TODO# must be set at creation time
486 on_button_down => $button_cb,
487 ;
488 $self->{face_widget}{bg} = $bg;
489 $self->{face_widget}{face} = $self->{face};
490 $self->{face_widget}{anim} = $self->{anim};
491 $self->{face_widget}{animspeed} = $self->{animspeed};
492 $self->{face_widget}->set_tooltip (
493 "<b>Face/Animation.</b>\n"
494 . "Item uses face #$self->{face}. "
495 . ($self->{animspeed} ? "Item uses animation #$self->{anim} at " . (1 / $self->{animspeed}) . "fps. " : "Item is not animated. ")
496 . "\n\n$tooltip_std"
497 );
498
499 $self->{desc_widget} ||= new CFPlus::UI::Label
500 can_events => 1,
501 can_hover => 1,
502 ellipsise => 2,
503 align => -1,
504 on_button_down => $button_cb,
505 ;
506 my $desc = CFPlus::Item::desc_string $self;
507 $self->{desc_widget}{bg} = $bg;
508 $self->{desc_widget}->set_text ($desc);
509 $self->{desc_widget}->set_tooltip ("<b>$desc</b>.\n$tooltip_std");
510
511 $self->{weight_widget} ||= new CFPlus::UI::Label
512 can_events => 1,
513 can_hover => 1,
514 ellipsise => 0,
515 align => 0,
516 on_button_down => $button_cb,
517 ;
518 $self->{weight_widget}{bg} = $bg;
519 $self->{weight_widget}->set_text (CFPlus::Item::weight_string $self);
520 $self->{weight_widget}->set_tooltip (
521 "<b>Weight</b>.\n"
522 . ($self->{weight} >= 0 ? "One item weighs $self->{weight}g. " : "You have no idea how much this weighs. ")
523 . ($self->{nrof} ? "You have $self->{nrof} of it. " : "Item cannot stack with others of it's kind. ")
524 . "\n\n$tooltip_std"
525 );
526 }
527
528 1;
529
530 =back
531
532 =head1 AUTHOR
533
534 Marc Lehmann <schmorp@schmorp.de>
535 http://home.schmorp.de/
536
537 =cut
538