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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC vs.
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.3 (); 15use Coro 3.64 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
24use Coro::Util ();
19 25
26use JSON::XS ();
27use BDB ();
28use Data::Dumper;
20use Digest::MD5; 29use Digest::MD5;
21use Fcntl; 30use Fcntl;
31use YAML::Syck ();
22use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
23use YAML::Syck ();
24use Time::HiRes; 33use Time::HiRes;
34use Compress::LZF;
35use Digest::MD5 ();
25 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
27 44
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
30 47
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 49
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 51
35our %COMMAND = (); 52our %COMMAND = ();
36our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
54
55our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
58our %EXT_CORO = (); # coroutines bound to extensions
59our %EXT_MAP = (); # pluggable maps
38 60
61our $RELOAD; # number of reloads so far
39our @EVENT; 62our @EVENT;
40our $LIBDIR = datadir . "/ext";
41 63
42our $TICK = MAX_TIME * 1e-6; 64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43our $TICK_WATCHER; 77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 80our $NEXT_TICK;
45our $NOW; 81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84our $BDB_POLL_WATCHER;
85our $DB_ENV;
46 86
47our %CFG; 87our %CFG;
48 88
49our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 90our $RUNTIME;
51 91
52our %PLAYER; # all users 92our %PLAYER; # all users
53our %MAP; # all maps 93our %MAP; # all maps
54our $LINK_MAP; # the special {link} map 94our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 95
56our %EXT_CORO; # coroutines bound to extensions 96# used to convert map paths into valid unix filenames by replacing / by ∕
97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
57 102
58binmode STDOUT; 103binmode STDOUT;
59binmode STDERR; 104binmode STDERR;
60 105
61# read virtual server time, if available 106# read virtual server time, if available
62unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
64 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
65 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
66} 111}
67 112
68mkdir cf::localdir; 113mkdir $_
69mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS;
73 115
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
117
118sub cf::map::normalise;
77 119
78############################################################################# 120#############################################################################
79 121
80=head2 GLOBAL VARIABLES 122=head2 GLOBAL VARIABLES
81 123
88=item $cf::RUNTIME 130=item $cf::RUNTIME
89 131
90The time this server has run, starts at 0 and is increased by $cf::TICK on 132The time this server has run, starts at 0 and is increased by $cf::TICK on
91every server tick. 133every server tick.
92 134
93=item $cf::LIBDIR 135=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94 138
95The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
96be found. It will be added to C<@INC> automatically. 140directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141unique-items directory, player file directory, random maps directory and
142database environment.
97 143
98=item $cf::NOW 144=item $cf::NOW
99 145
100The time of the last (current) server tick. 146The time of the last (current) server tick.
101 147
102=item $cf::TICK 148=item $cf::TICK
103 149
104The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
151
152=item $cf::LOADAVG
153
154The current CPU load on the server (alpha-smoothed), as a value between 0
155(none) and 1 (overloaded), indicating how much time is spent on processing
156objects per tick. Healthy values are < 0.5.
157
158=item $cf::LOAD
159
160The raw value load value from the last tick.
105 161
106=item %cf::CFG 162=item %cf::CFG
107 163
108Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 165from wherever your confdir points to.
166
167=item cf::wait_for_tick, cf::wait_for_tick_begin
168
169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170returns directly I<after> the tick processing (and consequently, can only wake one process
171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
110 178
111=back 179=back
112 180
113=cut 181=cut
114 182
115BEGIN { 183BEGIN {
116 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
117 my $msg = join "", @_; 185 my $msg = join "", @_;
118 utf8::encode $msg;
119 186
120 $msg .= "\n" 187 $msg .= "\n"
121 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
122 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
192 utf8::encode $msg;
123 LOG llevError, $msg; 193 LOG llevError, $msg;
124 }; 194 };
125} 195}
126 196
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 201@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
202@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 203@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133 204
134# we bless all objects into (empty) derived classes to force a method lookup 205# we bless all objects into (empty) derived classes to force a method lookup
135# within the Safe compartment. 206# within the Safe compartment.
136for my $pkg (qw( 207for my $pkg (qw(
137 cf::global cf::attachable 208 cf::global cf::attachable
146 217
147$Event::DIED = sub { 218$Event::DIED = sub {
148 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
149}; 220};
150 221
151my %ext_pkg; 222#############################################################################
152my @exts;
153my @hook;
154 223
155=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
156 225
157=over 4 226=over 4
158 227
159=cut 228=item dumpval $ref
160 229
161use JSON::Syck (); # TODO# replace by JSON::PC once working 230=cut
231
232sub dumpval {
233 eval {
234 local $SIG{__DIE__};
235 my $d;
236 if (1) {
237 $d = new Data::Dumper([$_[0]], ["*var"]);
238 $d->Terse(1);
239 $d->Indent(2);
240 $d->Quotekeys(0);
241 $d->Useqq(1);
242 #$d->Bless(...);
243 $d->Seen($_[1]) if @_ > 1;
244 $d = $d->Dump();
245 }
246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247 $d
248 } || "[unable to dump $_[0]: '$@']";
249}
162 250
163=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
164 252
165Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
166 254
167=cut
168
169sub from_json($) {
170 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171 JSON::Syck::Load $_[0]
172}
173
174=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
175 256
176Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
177 258
178=cut 259=cut
179 260
180sub to_json($) { 261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 262
182 JSON::Syck::Dump $_[0] 263sub to_json ($) { $json_coder->encode ($_[0]) }
183} 264sub from_json ($) { $json_coder->decode ($_[0]) }
184 265
185=item cf::lock_wait $string 266=item cf::lock_wait $string
186 267
187Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
188 269
191Wait until the given lock is available and then acquires it and returns 272Wait until the given lock is available and then acquires it and returns
192a Coro::guard object. If the guard object gets destroyed (goes out of scope, 273a Coro::guard object. If the guard object gets destroyed (goes out of scope,
193for example when the coroutine gets canceled), the lock is automatically 274for example when the coroutine gets canceled), the lock is automatically
194returned. 275returned.
195 276
277Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro.
279
196Lock names should begin with a unique identifier (for example, cf::map::find 280Lock names should begin with a unique identifier (for example, cf::map::find
197uses map_find and cf::map::load uses map_load). 281uses map_find and cf::map::load uses map_load).
282
283=item $locked = cf::lock_active $string
284
285Return true if the lock is currently active, i.e. somebody has locked it.
198 286
199=cut 287=cut
200 288
201our %LOCK; 289our %LOCK;
202 290
222 # wake up all waiters, to be on the safe side 310 # wake up all waiters, to be on the safe side
223 $_->ready for @{ delete $LOCK{$key} }; 311 $_->ready for @{ delete $LOCK{$key} };
224 } 312 }
225} 313}
226 314
315sub lock_active($) {
316 my ($key) = @_;
317
318 ! ! $LOCK{$key}
319}
320
227sub freeze_mainloop { 321sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 322 return unless $TICK_WATCHER->is_active;
229 323
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 324 my $guard = Coro::guard {
325 $TICK_WATCHER->start;
326 };
231 $TICK_WATCHER->stop; 327 $TICK_WATCHER->stop;
232 $guard 328 $guard
329}
330
331=item cf::get_slot $time[, $priority[, $name]]
332
333Allocate $time seconds of blocking CPU time at priority C<$priority>:
334This call blocks and returns only when you have at least C<$time> seconds
335of cpu time till the next tick. The slot is only valid till the next cede.
336
337The optional C<$name> can be used to identify the job to run. It might be
338used for statistical purposes and should identify the same time-class.
339
340Useful for short background jobs.
341
342=cut
343
344our @SLOT_QUEUE;
345our $SLOT_QUEUE;
346
347$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348$SLOT_QUEUE = Coro::async {
349 my $signal = new Coro::Signal;
350
351 while () {
352 next_job:
353 my $avail = cf::till_tick;
354 if ($avail > 0.01) {
355 for (0 .. $#SLOT_QUEUE) {
356 if ($SLOT_QUEUE[$_][0] < $avail) {
357 my $job = splice @SLOT_QUEUE, $_, 1, ();
358 $job->[2]->send;
359 Coro::cede;
360 goto next_job;
361 }
362 }
363 }
364
365 if (@SLOT_QUEUE) {
366 # we do not use wait_For_tick() as it returns immediately when tick is inactive
367 push @cf::WAIT_FOR_TICK, $signal;
368 $signal->wait;
369 } else {
370 Coro::schedule;
371 }
372 }
373};
374
375sub get_slot($;$$) {
376 my ($time, $pri, $name) = @_;
377
378 $time = $TICK * .6 if $time > $TICK * .6;
379 my $sig = new Coro::Signal;
380
381 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383 $SLOT_QUEUE->ready;
384 $sig->wait;
233} 385}
234 386
235=item cf::async { BLOCK } 387=item cf::async { BLOCK }
236 388
237Currently the same as Coro::async_pool, meaning you cannot use 389Currently the same as Coro::async_pool, meaning you cannot use
242 394
243BEGIN { *async = \&Coro::async_pool } 395BEGIN { *async = \&Coro::async_pool }
244 396
245=item cf::sync_job { BLOCK } 397=item cf::sync_job { BLOCK }
246 398
247The design of crossfire+ requires that the main coro ($Coro::main) is 399The design of Crossfire TRT requires that the main coroutine ($Coro::main)
248always able to handle events or runnable, as crossfire+ is only partly 400is always able to handle events or runnable, as Crossfire TRT is only
249reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 401partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402acceptable.
250 403
251If it must be done, put the blocking parts into C<sync_job>. This will run 404If it must be done, put the blocking parts into C<sync_job>. This will run
252the given BLOCK in another coroutine while waiting for the result. The 405the given BLOCK in another coroutine while waiting for the result. The
253server will be frozen during this time, so the block should either finish 406server will be frozen during this time, so the block should either finish
254fast or be very important. 407fast or be very important.
257 410
258sub sync_job(&) { 411sub sync_job(&) {
259 my ($job) = @_; 412 my ($job) = @_;
260 413
261 if ($Coro::current == $Coro::main) { 414 if ($Coro::current == $Coro::main) {
415 my $time = Event::time;
416
262 # this is the main coro, too bad, we have to block 417 # this is the main coro, too bad, we have to block
263 # till the operation succeeds, freezing the server :/ 418 # till the operation succeeds, freezing the server :/
264 419
265 # TODO: use suspend/resume instead 420 # TODO: use suspend/resume instead
266 # (but this is cancel-safe) 421 # (but this is cancel-safe)
277 432
278 while ($busy) { 433 while ($busy) {
279 Coro::cede or Event::one_event; 434 Coro::cede or Event::one_event;
280 } 435 }
281 436
437 $time = Event::time - $time;
438
439 LOG llevError | logBacktrace, Carp::longmess "long sync job"
440 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442 $tick_start += $time; # do not account sync jobs to server load
443
282 wantarray ? @res : $res[0] 444 wantarray ? @res : $res[0]
283 } else { 445 } else {
284 # we are in another coroutine, how wonderful, everything just works 446 # we are in another coroutine, how wonderful, everything just works
285 447
286 $job->() 448 $job->()
287 } 449 }
288} 450}
289 451
290=item $coro = cf::async_ext { BLOCK } 452=item $coro = cf::async_ext { BLOCK }
291 453
292Like async, but this coro is automcatially being canceled when the 454Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 455extension calling this is being unloaded.
294 456
295=cut 457=cut
296 458
297sub async_ext(&) { 459sub async_ext(&) {
305 $EXT_CORO{$coro+0} = $coro; 467 $EXT_CORO{$coro+0} = $coro;
306 468
307 $coro 469 $coro
308} 470}
309 471
310sub write_runtime { 472=item fork_call { }, $args
311 my $runtime = cf::localdir . "/runtime";
312 473
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 474Executes the given code block with the given arguments in a seperate
314 or return; 475process, returning the results. Everything must be serialisable with
476Coro::Storable. May, of course, block. Note that the executed sub may
477never block itself or use any form of Event handling.
315 478
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 479=cut
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return;
319 480
320 aio_fsync $fh 481sub fork_call(&@) {
321 and return; 482 my ($cb, @args) = @_;
322 483
323 close $fh 484 # we seemingly have to make a local copy of the whole thing,
324 or return; 485 # otherwise perl prematurely frees the stuff :/
486 # TODO: investigate and fix (liekly this will be rather laborious)
325 487
326 aio_rename "$runtime~", $runtime 488 my @res = Coro::Util::fork_eval {
327 and return; 489 reset_signals;
490 &$cb
491 }, @args;
328 492
493 wantarray ? @res : $res[-1]
494}
495
496=item $value = cf::db_get $family => $key
497
498Returns a single value from the environment database.
499
500=item cf::db_put $family => $key => $value
501
502Stores the given C<$value> in the family. It can currently store binary
503data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504
505=cut
506
507our $DB;
508
509sub db_init {
510 unless ($DB) {
511 $DB = BDB::db_create $DB_ENV;
512
513 cf::sync_job {
514 eval {
515 $DB->set_flags (BDB::CHKSUM);
516
517 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519 cf::cleanup "db_open(db): $!" if $!;
520 };
521 cf::cleanup "db_open(db): $@" if $@;
522 };
329 1 523 }
524}
525
526sub db_get($$) {
527 my $key = "$_[0]/$_[1]";
528
529 cf::sync_job {
530 BDB::db_get $DB, undef, $key, my $data;
531
532 $! ? ()
533 : $data
534 }
535}
536
537sub db_put($$$) {
538 BDB::dbreq_pri 4;
539 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
540}
541
542=item cf::cache $id => [$paths...], $processversion => $process
543
544Generic caching function that returns the value of the resource $id,
545caching and regenerating as required.
546
547This function can block.
548
549=cut
550
551sub cache {
552 my ($id, $src, $processversion, $process) = @_;
553
554 my $meta =
555 join "\x00",
556 $processversion,
557 map {
558 aio_stat $_
559 and Carp::croak "$_: $!";
560
561 ($_, (stat _)[7,9])
562 } @$src;
563
564 my $dbmeta = db_get cache => "$id/meta";
565 if ($dbmeta ne $meta) {
566 # changed, we may need to process
567
568 my @data;
569 my $md5;
570
571 for (0 .. $#$src) {
572 0 <= aio_load $src->[$_], $data[$_]
573 or Carp::croak "$src->[$_]: $!";
574 }
575
576 # if processing is expensive, check
577 # checksum first
578 if (1) {
579 $md5 =
580 join "\x00",
581 $processversion,
582 map {
583 cf::cede_to_tick;
584 ($src->[$_], Digest::MD5::md5_hex $data[$_])
585 } 0.. $#$src;
586
587
588 my $dbmd5 = db_get cache => "$id/md5";
589 if ($dbmd5 eq $md5) {
590 db_put cache => "$id/meta", $meta;
591
592 return db_get cache => "$id/data";
593 }
594 }
595
596 my $t1 = Time::HiRes::time;
597 my $data = $process->(\@data);
598 my $t2 = Time::HiRes::time;
599
600 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
601
602 db_put cache => "$id/data", $data;
603 db_put cache => "$id/md5" , $md5;
604 db_put cache => "$id/meta", $meta;
605
606 return $data;
607 }
608
609 db_get cache => "$id/data"
610}
611
612=item cf::datalog type => key => value, ...
613
614Log a datalog packet of the given type with the given key-value pairs.
615
616=cut
617
618sub datalog($@) {
619 my ($type, %kv) = @_;
620 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330} 621}
331 622
332=back 623=back
333 624
334=cut 625=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($class, $path, $base) = @_;
342
343 $path = $path->as_string if ref $path;
344
345 my $self = bless { }, $class;
346
347 # {... are special paths that are not touched
348 # ?xxx/... are special absolute paths
349 # ?random/... random maps
350 # /! non-realised random map exit
351 # /... normal maps
352 # ~/... per-player maps without a specific player (DO NOT USE)
353 # ~user/... per-player map of a specific user
354
355 if ($path =~ /^{/) {
356 # fine as it is
357 } elsif ($path =~ s{^\?random/}{}) {
358 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359 $self->{random} = cf::from_json $data;
360 } else {
361 if ($path =~ s{^~([^/]+)?}{}) {
362 $self->{user_rel} = 1;
363
364 if (defined $1) {
365 $self->{user} = $1;
366 } elsif ($base =~ m{^~([^/]+)/}) {
367 $self->{user} = $1;
368 } else {
369 warn "cannot resolve user-relative path without user <$path,$base>\n";
370 }
371 } elsif ($path =~ /^\//) {
372 # already absolute
373 } else {
374 $base =~ s{[^/]+/?$}{};
375 return $class->new ("$base/$path");
376 }
377
378 for ($path) {
379 redo if s{/\.?/}{/};
380 redo if s{/[^/]+/\.\./}{/};
381 }
382 }
383
384 $self->{path} = $path;
385
386 $self
387}
388
389# the name / primary key / in-game path
390sub as_string {
391 my ($self) = @_;
392
393 $self->{user_rel} ? "~$self->{user}$self->{path}"
394 : $self->{random} ? "?random/$self->{path}"
395 : $self->{path}
396}
397
398# the displayed name, this is a one way mapping
399sub visible_name {
400 my ($self) = @_;
401
402# if (my $rmp = $self->{random}) {
403# # todo: be more intelligent about this
404# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405# } else {
406 $self->as_string
407# }
408}
409
410# escape the /'s in the path
411sub _escaped_path {
412 # ∕ is U+2215
413 (my $path = $_[0]{path}) =~ s/\//∕/g;
414 $path
415}
416
417# the original (read-only) location
418sub load_path {
419 my ($self) = @_;
420
421 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422}
423
424# the temporary/swap location
425sub save_path {
426 my ($self) = @_;
427
428 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431}
432
433# the unique path, might be eq to save_path
434sub uniq_path {
435 my ($self) = @_;
436
437 $self->{user_rel} || $self->{random}
438 ? undef
439 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440}
441
442# return random map parameters, or undef
443sub random_map_params {
444 my ($self) = @_;
445
446 $self->{random}
447}
448
449# this is somewhat ugly, but style maps do need special treatment
450sub is_style_map {
451 $_[0]{path} =~ m{^/styles/}
452}
453
454package cf;
455 626
456############################################################################# 627#############################################################################
457 628
458=head2 ATTACHABLE OBJECTS 629=head2 ATTACHABLE OBJECTS
459 630
461attach callbacks/event handlers (a collection of which is called an "attachment") 632attach callbacks/event handlers (a collection of which is called an "attachment")
462to it. All such attachable objects support the following methods. 633to it. All such attachable objects support the following methods.
463 634
464In the following description, CLASS can be any of C<global>, C<object> 635In the following description, CLASS can be any of C<global>, C<object>
465C<player>, C<client> or C<map> (i.e. the attachable objects in 636C<player>, C<client> or C<map> (i.e. the attachable objects in
466crossfire+). 637Crossfire TRT).
467 638
468=over 4 639=over 4
469 640
470=item $attachable->attach ($attachment, key => $value...) 641=item $attachable->attach ($attachment, key => $value...)
471 642
585our @CB_TYPE = (); # registry for type (cf-object class) based events 756our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 757our @CB_MAP = ();
587 758
588my %attachment; 759my %attachment;
589 760
761sub cf::attachable::thawer_merge {
762 # simply override everything except _meta
763 local $_[0]{_meta};
764 %{$_[0]} = %{$_[1]};
765}
766
590sub _attach_cb($$$$) { 767sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 768 my ($registry, $event, $prio, $cb) = @_;
592 769
593 use sort 'stable'; 770 use sort 'stable';
594 771
628 $registry = $CB_TYPE[$object_type] ||= []; 805 $registry = $CB_TYPE[$object_type] ||= [];
629 806
630 } elsif ($type eq "subtype") { 807 } elsif ($type eq "subtype") {
631 defined $object_type or Carp::croak "subtype specified without type"; 808 defined $object_type or Carp::croak "subtype specified without type";
632 my $object_subtype = shift @arg; 809 my $object_subtype = shift @arg;
633 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 810 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634 811
635 } elsif ($type eq "package") { 812 } elsif ($type eq "package") {
636 my $pkg = shift @arg; 813 my $pkg = shift @arg;
637 814
638 while (my ($name, $id) = each %cb_id) { 815 while (my ($name, $id) = each %cb_id) {
667 _attach $registry, $klass, @attach; 844 _attach $registry, $klass, @attach;
668 } 845 }
669 846
670 $obj->{$name} = \%arg; 847 $obj->{$name} = \%arg;
671 } else { 848 } else {
672 warn "object uses attachment '$name' that is not available, postponing.\n"; 849 warn "object uses attachment '$name' which is not available, postponing.\n";
673 } 850 }
674 851
675 $obj->{_attachment}{$name} = undef; 852 $obj->{_attachment}{$name} = undef;
676} 853}
677 854
679 if (ref $_[0]) { 856 if (ref $_[0]) {
680 _object_attach @_; 857 _object_attach @_;
681 } else { 858 } else {
682 _attach shift->_attach_registry, @_; 859 _attach shift->_attach_registry, @_;
683 } 860 }
861 _recalc_want;
684}; 862};
685 863
686# all those should be optimised 864# all those should be optimised
687sub cf::attachable::detach { 865sub cf::attachable::detach {
688 my ($obj, $name) = @_; 866 my ($obj, $name) = @_;
691 delete $obj->{_attachment}{$name}; 869 delete $obj->{_attachment}{$name};
692 reattach ($obj); 870 reattach ($obj);
693 } else { 871 } else {
694 Carp::croak "cannot, currently, detach class attachments"; 872 Carp::croak "cannot, currently, detach class attachments";
695 } 873 }
874 _recalc_want;
696}; 875};
697 876
698sub cf::attachable::attached { 877sub cf::attachable::attached {
699 my ($obj, $name) = @_; 878 my ($obj, $name) = @_;
700 879
715 "; 894 ";
716 die if $@; 895 die if $@;
717} 896}
718 897
719our $override; 898our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 899our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 900
722sub override { 901sub override {
723 $override = 1; 902 $override = 1;
724 @invoke_results = (); 903 @INVOKE_RESULTS = (@_);
725} 904}
726 905
727sub do_invoke { 906sub do_invoke {
728 my $event = shift; 907 my $event = shift;
729 my $callbacks = shift; 908 my $callbacks = shift;
730 909
731 @invoke_results = (); 910 @INVOKE_RESULTS = ();
732 911
733 local $override; 912 local $override;
734 913
735 for (@$callbacks) { 914 for (@$callbacks) {
736 eval { &{$_->[1]} }; 915 eval { &{$_->[1]} };
753 932
754Generate an object-specific event with the given arguments. 933Generate an object-specific event with the given arguments.
755 934
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 935This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 936removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 937results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 938
760=back 939=back
761 940
762=cut 941=cut
763 942
764############################################################################# 943#############################################################################
765# object support 944# object support
945#
946
947sub _can_merge {
948 my ($ob1, $ob2) = @_;
949
950 local $Storable::canonical = 1;
951 my $fob1 = Storable::freeze $ob1;
952 my $fob2 = Storable::freeze $ob2;
953
954 $fob1 eq $fob2
955}
766 956
767sub reattach { 957sub reattach {
768 # basically do the same as instantiate, without calling instantiate 958 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 959 my ($obj) = @_;
960
961 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 962
771 my $registry = $obj->registry; 963 my $registry = $obj->registry;
772 964
773 @$registry = (); 965 @$registry = ();
774 966
821 $filename, length $$rdata, scalar @$objs; 1013 $filename, length $$rdata, scalar @$objs;
822 1014
823 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1015 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824 chmod SAVE_MODE, $fh; 1016 chmod SAVE_MODE, $fh;
825 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1017 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826 aio_fsync $fh; 1018 aio_fsync $fh if $cf::USE_FSYNC;
827 close $fh; 1019 close $fh;
828 1020
829 if (@$objs) { 1021 if (@$objs) {
830 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1022 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831 chmod SAVE_MODE, $fh; 1023 chmod SAVE_MODE, $fh;
832 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1024 my $data = Storable::nfreeze { version => 1, objs => $objs };
833 aio_write $fh, 0, (length $data), $data, 0; 1025 aio_write $fh, 0, (length $data), $data, 0;
834 aio_fsync $fh; 1026 aio_fsync $fh if $cf::USE_FSYNC;
835 close $fh; 1027 close $fh;
836 aio_rename "$filename.pst~", "$filename.pst"; 1028 aio_rename "$filename.pst~", "$filename.pst";
837 } 1029 }
838 } else { 1030 } else {
839 aio_unlink "$filename.pst"; 1031 aio_unlink "$filename.pst";
871 or return; 1063 or return;
872 $av = eval { (Storable::thaw $av)->{objs} }; 1064 $av = eval { (Storable::thaw $av)->{objs} };
873 } 1065 }
874 1066
875 warn sprintf "loading %s (%d)\n", 1067 warn sprintf "loading %s (%d)\n",
876 $filename, length $data, scalar @{$av || []};#d# 1068 $filename, length $data, scalar @{$av || []};
877 return ($data, $av); 1069 return ($data, $av);
878} 1070}
1071
1072=head2 COMMAND CALLBACKS
1073
1074=over 4
1075
1076=cut
879 1077
880############################################################################# 1078#############################################################################
881# command handling &c 1079# command handling &c
882 1080
883=item cf::register_command $name => \&callback($ob,$args); 1081=item cf::register_command $name => \&callback($ob,$args);
896 push @{ $COMMAND{$name} }, [$caller, $cb]; 1094 push @{ $COMMAND{$name} }, [$caller, $cb];
897} 1095}
898 1096
899=item cf::register_extcmd $name => \&callback($pl,$packet); 1097=item cf::register_extcmd $name => \&callback($pl,$packet);
900 1098
901Register a callbackf ro execution when the client sends an extcmd packet. 1099Register a callback for execution when the client sends an (synchronous)
1100extcmd packet. Ext commands will be processed in the order they are
1101received by the server, like other user commands. The first argument is
1102the logged-in player. Ext commands can only be processed after a player
1103has logged in successfully.
902 1104
903If the callback returns something, it is sent back as if reply was being 1105If the callback returns something, it is sent back as if reply was being
904called. 1106called.
905 1107
1108=item cf::register_exticmd $name => \&callback($ns,$packet);
1109
1110Register a callback for execution when the client sends an (asynchronous)
1111exticmd packet. Exti commands are processed by the server as soon as they
1112are received, i.e. out of order w.r.t. other commands. The first argument
1113is a client socket. Exti commands can be received anytime, even before
1114log-in.
1115
1116If the callback returns something, it is sent back as if reply was being
1117called.
1118
906=cut 1119=cut
907 1120
908sub register_extcmd { 1121sub register_extcmd {
909 my ($name, $cb) = @_; 1122 my ($name, $cb) = @_;
910 1123
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 1124 $EXTCMD{$name} = $cb;
1125}
1126
1127sub register_exticmd {
1128 my ($name, $cb) = @_;
1129
1130 $EXTICMD{$name} = $cb;
915} 1131}
916 1132
917cf::player->attach ( 1133cf::player->attach (
918 on_command => sub { 1134 on_command => sub {
919 my ($pl, $name, $params) = @_; 1135 my ($pl, $name, $params) = @_;
928 cf::override; 1144 cf::override;
929 }, 1145 },
930 on_extcmd => sub { 1146 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1147 my ($pl, $buf) = @_;
932 1148
933 my $msg = eval { from_json $buf }; 1149 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1150
935 if (ref $msg) { 1151 if (ref $msg) {
1152 my ($type, $reply, @payload) =
1153 "ARRAY" eq ref $msg
1154 ? @$msg
1155 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1156
1157 my @reply;
1158
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1159 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 1160 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1161 }
1162
1163 $pl->ext_reply ($reply, @reply)
1164 if $reply;
1165
941 } else { 1166 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1167 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1168 }
944 1169
945 cf::override; 1170 cf::override;
946 }, 1171 },
947); 1172);
948 1173
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension {
956 my ($path) = @_;
957
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1;
960 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg";
963
964 warn "loading '$path' into '$pkg'\n";
965
966 open my $fh, "<:utf8", $path
967 or die "$path: $!";
968
969 my $source =
970 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> })
973 . "\n};\n1";
974
975 eval $source
976 or die $@ ? "$path: $@\n"
977 : "extension disabled.\n";
978
979 push @exts, $pkg;
980 $ext_pkg{$base} = $pkg;
981
982# no strict 'refs';
983# @{"$pkg\::ISA"} = ext::;
984
985 register $base, $pkg;
986}
987
988sub unload_extension {
989 my ($pkg) = @_;
990
991 warn "removing extension $pkg\n";
992
993 # remove hooks
994 #TODO
995# for my $idx (0 .. $#PLUGIN_EVENT) {
996# delete $hook[$idx]{$pkg};
997# }
998
999 # remove commands
1000 for my $name (keys %COMMAND) {
1001 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003 if (@cb) {
1004 $COMMAND{$name} = \@cb;
1005 } else {
1006 delete $COMMAND{$name};
1007 }
1008 }
1009
1010 # remove extcmds
1011 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012 delete $EXTCMD{$name};
1013 }
1014
1015 if (my $cb = $pkg->can ("unload")) {
1016 eval {
1017 $cb->($pkg);
1018 1
1019 } or warn "$pkg unloaded, but with errors: $@";
1020 }
1021
1022 Symbol::delete_package $pkg;
1023}
1024
1025sub load_extensions { 1174sub load_extensions {
1175 cf::sync_job {
1176 my %todo;
1177
1026 for my $ext (<$LIBDIR/*.ext>) { 1178 for my $path (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 1179 next unless -r $path;
1028 eval { 1180
1029 load_extension $ext; 1181 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1182 my $base = $1;
1183 my $pkg = $1;
1184 $pkg =~ s/[^[:word:]]/_/g;
1185 $pkg = "ext::$pkg";
1186
1187 open my $fh, "<:utf8", $path
1188 or die "$path: $!";
1189
1190 my $source = do { local $/; <$fh> };
1191
1192 my %ext = (
1193 path => $path,
1194 base => $base,
1195 pkg => $pkg,
1196 );
1197
1198 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200
1201 $ext{source} =
1202 "package $pkg; use strict; use utf8;\n"
1203 . "#line 1 \"$path\"\n{\n"
1204 . $source
1205 . "\n};\n1";
1206
1207 $todo{$base} = \%ext;
1208 }
1209
1210 my %done;
1211 while (%todo) {
1212 my $progress;
1213
1214 while (my ($k, $v) = each %todo) {
1215 for (split /,\s*/, $v->{meta}{depends}) {
1216 goto skip
1217 unless exists $done{$_};
1218 }
1219
1220 warn "... loading '$k' into '$v->{pkg}'\n";
1221
1222 unless (eval $v->{source}) {
1223 my $msg = $@ ? "$v->{path}: $@\n"
1224 : "$v->{base}: extension inactive.\n";
1225
1226 if (exists $v->{meta}{mandatory}) {
1227 warn $msg;
1228 warn "mandatory extension failed to load, exiting.\n";
1229 exit 1;
1230 }
1231
1232 warn $msg;
1233 }
1234
1235 $done{$k} = delete $todo{$k};
1236 push @EXTS, $v->{pkg};
1237 $progress = 1;
1030 1 1238 }
1031 } or warn "$ext not loaded: $@"; 1239
1240 skip:
1241 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1242 unless $progress;
1243 }
1032 } 1244 };
1033} 1245}
1034 1246
1035############################################################################# 1247#############################################################################
1036# load/save/clean perl data associated with a map
1037 1248
1038*cf::mapsupport::on_clean = sub { 1249=back
1039 my ($map) = @_;
1040
1041 my $path = $map->tmpname;
1042 defined $path or return;
1043
1044 unlink "$path.pst";
1045};
1046
1047cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049#############################################################################
1050# load/save perl data associated with player->ob objects
1051
1052sub all_objects(@) {
1053 @_, map all_objects ($_->inv), @_
1054}
1055
1056# TODO: compatibility cruft, remove when no longer needed
1057cf::player->attach (
1058 on_load => sub {
1059 my ($pl, $path) = @_;
1060
1061 for my $o (all_objects $pl->ob) {
1062 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063 $o->set_ob_key_value ("_perl_data");
1064
1065 %$o = %{ Storable::thaw pack "H*", $value };
1066 }
1067 }
1068 },
1069);
1070
1071#############################################################################
1072 1250
1073=head2 CORE EXTENSIONS 1251=head2 CORE EXTENSIONS
1074 1252
1075Functions and methods that extend core crossfire objects. 1253Functions and methods that extend core crossfire objects.
1076 1254
1077=cut 1255=cut
1078 1256
1079package cf::player; 1257package cf::player;
1080 1258
1259use Coro::AIO;
1260
1081=head3 cf::player 1261=head3 cf::player
1082 1262
1083=over 4 1263=over 4
1084 1264
1085=item cf::player::find $login 1265=item cf::player::find $login
1087Returns the given player object, loading it if necessary (might block). 1267Returns the given player object, loading it if necessary (might block).
1088 1268
1089=cut 1269=cut
1090 1270
1091sub playerdir($) { 1271sub playerdir($) {
1092 cf::localdir 1272 "$PLAYERDIR/"
1093 . "/"
1094 . cf::playerdir
1095 . "/"
1096 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1273 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1097} 1274}
1098 1275
1099sub path($) { 1276sub path($) {
1100 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1277 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101 1278
1102 (playerdir $login) . "/$login.pl" 1279 (playerdir $login) . "/playerdata"
1103} 1280}
1104 1281
1105sub find_active($) { 1282sub find_active($) {
1106 $cf::PLAYER{$_[0]} 1283 $cf::PLAYER{$_[0]}
1107 and $cf::PLAYER{$_[0]}->active 1284 and $cf::PLAYER{$_[0]}->active
1110 1287
1111sub exists($) { 1288sub exists($) {
1112 my ($login) = @_; 1289 my ($login) = @_;
1113 1290
1114 $cf::PLAYER{$login} 1291 $cf::PLAYER{$login}
1115 or cf::sync_job { !aio_stat $login } 1292 or cf::sync_job { !aio_stat path $login }
1116} 1293}
1117 1294
1118sub find($) { 1295sub find($) {
1119 return $cf::PLAYER{$_[0]} || do { 1296 return $cf::PLAYER{$_[0]} || do {
1120 my $login = $_[0]; 1297 my $login = $_[0];
1121 1298
1122 my $guard = cf::lock_acquire "user_find:$login"; 1299 my $guard = cf::lock_acquire "user_find:$login";
1123 1300
1124 $cf::PLAYER{$login} ||= (load_pl path $login or return); 1301 $cf::PLAYER{$_[0]} || do {
1302 # rename old playerfiles to new ones
1303 #TODO: remove when no longer required
1304 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307 aio_unlink +(playerdir $login) . "/$login.pl";
1308
1309 my $pl = load_pl path $login
1310 or return;
1311 $cf::PLAYER{$login} = $pl
1312 }
1125 }; 1313 }
1126} 1314}
1127 1315
1128sub save($) { 1316sub save($) {
1129 my ($pl) = @_; 1317 my ($pl) = @_;
1130 1318
1133 my $path = path $pl; 1321 my $path = path $pl;
1134 my $guard = cf::lock_acquire "user_save:$path"; 1322 my $guard = cf::lock_acquire "user_save:$path";
1135 1323
1136 return if $pl->{deny_save}; 1324 return if $pl->{deny_save};
1137 1325
1138 Coro::AIO::aio_mkdir playerdir $pl, 0770; 1326 aio_mkdir playerdir $pl, 0770;
1139 $pl->{last_save} = $cf::RUNTIME; 1327 $pl->{last_save} = $cf::RUNTIME;
1140 1328
1141 $pl->save_pl ($path); 1329 $pl->save_pl ($path);
1142 Coro::cede; 1330 cf::cede_to_tick;
1143} 1331}
1144 1332
1145sub new($) { 1333sub new($) {
1146 my ($login) = @_; 1334 my ($login) = @_;
1147 1335
1153 $cf::PLAYER{$login} = $self; 1341 $cf::PLAYER{$login} = $self;
1154 1342
1155 $self 1343 $self
1156} 1344}
1157 1345
1346=item $player->send_msg ($channel, $msg, $color, [extra...])
1347
1348=cut
1349
1350sub send_msg {
1351 my $ns = shift->ns
1352 or return;
1353 $ns->send_msg (@_);
1354}
1355
1356=item $pl->quit_character
1357
1358Nukes the player without looking back. If logged in, the connection will
1359be destroyed. May block for a long time.
1360
1361=cut
1362
1158sub quit_character { 1363sub quit_character {
1159 my ($pl) = @_; 1364 my ($pl) = @_;
1365
1366 my $name = $pl->ob->name;
1160 1367
1161 $pl->{deny_save} = 1; 1368 $pl->{deny_save} = 1;
1162 $pl->password ("*"); # this should lock out the player until we nuked the dir 1369 $pl->password ("*"); # this should lock out the player until we nuked the dir
1163 1370
1164 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1371 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1166 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1373 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1167 $pl->ns->destroy if $pl->ns; 1374 $pl->ns->destroy if $pl->ns;
1168 1375
1169 my $path = playerdir $pl; 1376 my $path = playerdir $pl;
1170 my $temp = "$path~$cf::RUNTIME~deleting~"; 1377 my $temp = "$path~$cf::RUNTIME~deleting~";
1171 Coro::AIO::aio_rename $path, $temp; 1378 aio_rename $path, $temp;
1172 delete $cf::PLAYER{$pl->ob->name}; 1379 delete $cf::PLAYER{$pl->ob->name};
1173 $pl->destroy; 1380 $pl->destroy;
1381
1382 my $prefix = qr<^~\Q$name\E/>;
1383
1384 # nuke player maps
1385 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1386
1174 IO::AIO::aio_rmtree $temp; 1387 IO::AIO::aio_rmtree $temp;
1175} 1388}
1176 1389
1390=item $pl->kick
1391
1392Kicks a player out of the game. This destroys the connection.
1393
1394=cut
1395
1396sub kick {
1397 my ($pl, $kicker) = @_;
1398
1399 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1400 $pl->killer ("kicked");
1401 $pl->ns->destroy;
1402}
1403
1404=item cf::player::list_logins
1405
1406Returns am arrayref of all valid playernames in the system, can take a
1407while and may block, so not sync_job-capable, ever.
1408
1409=cut
1410
1411sub list_logins {
1412 my $dirs = aio_readdir $PLAYERDIR
1413 or return [];
1414
1415 my @logins;
1416
1417 for my $login (@$dirs) {
1418 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1419 aio_read $fh, 0, 512, my $buf, 0 or next;
1420 $buf !~ /^password -------------$/m or next; # official not-valid tag
1421
1422 utf8::decode $login;
1423 push @logins, $login;
1424 }
1425
1426 \@logins
1427}
1428
1429=item $player->maps
1430
1431Returns an arrayref of map paths that are private for this
1432player. May block.
1433
1434=cut
1435
1436sub maps($) {
1437 my ($pl) = @_;
1438
1439 $pl = ref $pl ? $pl->ob->name : $pl;
1440
1441 my $files = aio_readdir playerdir $pl
1442 or return;
1443
1444 my @paths;
1445
1446 for (@$files) {
1447 utf8::decode $_;
1448 next if /\.(?:pl|pst)$/;
1449 next unless /^$PATH_SEP/o;
1450
1451 push @paths, cf::map::normalise "~$pl/$_";
1452 }
1453
1454 \@paths
1455}
1456
1457=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1458
1459Expand crossfire pod fragments into protocol xml.
1460
1461=cut
1462
1463sub expand_cfpod {
1464 ((my $self), (local $_)) = @_;
1465
1466 # escape & and <
1467 s/&/&amp;/g;
1468 s/(?<![BIUGHT])</&lt;/g;
1469
1470 # this is buggy, it needs to properly take care of nested <'s
1471
1472 1 while
1473 # replace B<>, I<>, U<> etc.
1474 s/B<([^\>]*)>/<b>$1<\/b>/
1475 || s/I<([^\>]*)>/<i>$1<\/i>/
1476 || s/U<([^\>]*)>/<u>$1<\/u>/
1477 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478 # replace G<male|female> tags
1479 || s{G<([^>|]*)\|([^>]*)>}{
1480 $self->gender ? $2 : $1
1481 }ge
1482 # replace H<hint text>
1483 || s{H<([^\>]*)>}
1484 {
1485 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487 "")
1488 [$self->{hintmode}]
1489 }ge;
1490
1491 # create single paragraphs (very hackish)
1492 s/(?<=\S)\n(?=\w)/ /g;
1493
1494 # compress some whitespace
1495 s/\s+\n/\n/g; # ws line-ends
1496 s/\n\n+/\n/g; # double lines
1497 s/^\n+//; # beginning lines
1498 s/\n+$//; # ending lines
1499
1500 $_
1501}
1502
1503sub hintmode {
1504 $_[0]{hintmode} = $_[1] if @_ > 1;
1505 $_[0]{hintmode}
1506}
1507
1177=item $player->ext_reply ($msgid, $msgtype, %msg) 1508=item $player->ext_reply ($msgid, @msg)
1178 1509
1179Sends an ext reply to the player. 1510Sends an ext reply to the player.
1180 1511
1181=cut 1512=cut
1182 1513
1183sub ext_reply($$$%) { 1514sub ext_reply($$@) {
1184 my ($self, $id, %msg) = @_; 1515 my ($self, $id, @msg) = @_;
1185 1516
1186 $msg{msgid} = $id; 1517 $self->ns->ext_reply ($id, @msg)
1187
1188 $self->send ("ext " . cf::to_json \%msg);
1189} 1518}
1190 1519
1191package cf; 1520=item $player->ext_msg ($type, @msg)
1521
1522Sends an ext event to the client.
1523
1524=cut
1525
1526sub ext_msg($$@) {
1527 my ($self, $type, @msg) = @_;
1528
1529 $self->ns->ext_msg ($type, @msg);
1530}
1531
1532=head3 cf::region
1533
1534=over 4
1535
1536=cut
1537
1538package cf::region;
1539
1540=item cf::region::find_by_path $path
1541
1542Tries to decuce the likely region for a map knowing only its path.
1543
1544=cut
1545
1546sub find_by_path($) {
1547 my ($path) = @_;
1548
1549 my ($match, $specificity);
1550
1551 for my $region (list) {
1552 if ($region->{match} && $path =~ $region->{match}) {
1553 ($match, $specificity) = ($region, $region->specificity)
1554 if $region->specificity > $specificity;
1555 }
1556 }
1557
1558 $match
1559}
1192 1560
1193=back 1561=back
1194
1195 1562
1196=head3 cf::map 1563=head3 cf::map
1197 1564
1198=over 4 1565=over 4
1199 1566
1202package cf::map; 1569package cf::map;
1203 1570
1204use Fcntl; 1571use Fcntl;
1205use Coro::AIO; 1572use Coro::AIO;
1206 1573
1574use overload
1575 '""' => \&as_string,
1576 fallback => 1;
1577
1207our $MAX_RESET = 3600; 1578our $MAX_RESET = 3600;
1208our $DEFAULT_RESET = 3000; 1579our $DEFAULT_RESET = 3000;
1209 1580
1210sub generate_random_map { 1581sub generate_random_map {
1211 my ($path, $rmp) = @_; 1582 my ($self, $rmp) = @_;
1212
1213 # mit "rum" bekleckern, nicht 1583 # mit "rum" bekleckern, nicht
1214 cf::map::_create_random_map 1584 $self->_create_random_map (
1215 $path,
1216 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1585 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1217 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1586 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1218 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1587 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1219 $rmp->{exit_on_final_map}, 1588 $rmp->{exit_on_final_map},
1220 $rmp->{xsize}, $rmp->{ysize}, 1589 $rmp->{xsize}, $rmp->{ysize},
1221 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1590 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1222 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1591 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1223 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1592 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1224 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1593 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1225 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1594 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1226 (cf::region::find $rmp->{region}) 1595 (cf::region::find $rmp->{region}), $rmp->{custom}
1596 )
1597}
1598
1599=item cf::map->register ($regex, $prio)
1600
1601Register a handler for the map path matching the given regex at the
1602givne priority (higher is better, built-in handlers have priority 0, the
1603default).
1604
1605=cut
1606
1607sub register {
1608 my (undef, $regex, $prio) = @_;
1609 my $pkg = caller;
1610
1611 no strict;
1612 push @{"$pkg\::ISA"}, __PACKAGE__;
1613
1614 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1615}
1616
1617# also paths starting with '/'
1618$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1619
1620sub thawer_merge {
1621 my ($self, $merge) = @_;
1622
1623 # we have to keep some variables in memory intact
1624 local $self->{path};
1625 local $self->{load_path};
1626
1627 $self->SUPER::thawer_merge ($merge);
1628}
1629
1630sub normalise {
1631 my ($path, $base) = @_;
1632
1633 $path = "$path"; # make sure its a string
1634
1635 $path =~ s/\.map$//;
1636
1637 # map plan:
1638 #
1639 # /! non-realised random map exit (special hack!)
1640 # {... are special paths that are not being touched
1641 # ?xxx/... are special absolute paths
1642 # ?random/... random maps
1643 # /... normal maps
1644 # ~user/... per-player map of a specific user
1645
1646 $path =~ s/$PATH_SEP/\//go;
1647
1648 # treat it as relative path if it starts with
1649 # something that looks reasonable
1650 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1651 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1652
1653 $base =~ s{[^/]+/?$}{};
1654 $path = "$base/$path";
1655 }
1656
1657 for ($path) {
1658 redo if s{//}{/};
1659 redo if s{/\.?/}{/};
1660 redo if s{/[^/]+/\.\./}{/};
1661 }
1662
1663 $path
1664}
1665
1666sub new_from_path {
1667 my (undef, $path, $base) = @_;
1668
1669 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1670
1671 $path = normalise $path, $base;
1672
1673 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1674 if ($path =~ $EXT_MAP{$pkg}[1]) {
1675 my $self = bless cf::map::new, $pkg;
1676 $self->{path} = $path; $self->path ($path);
1677 $self->init; # pass $1 etc.
1678 return $self;
1679 }
1680 }
1681
1682 Carp::cluck "unable to resolve path '$path' (base '$base').";
1683 ()
1684}
1685
1686sub init {
1687 my ($self) = @_;
1688
1689 $self
1690}
1691
1692sub as_string {
1693 my ($self) = @_;
1694
1695 "$self->{path}"
1696}
1697
1698# the displayed name, this is a one way mapping
1699sub visible_name {
1700 &as_string
1701}
1702
1703# the original (read-only) location
1704sub load_path {
1705 my ($self) = @_;
1706
1707 "$MAPDIR/$self->{path}.map"
1708}
1709
1710# the temporary/swap location
1711sub save_path {
1712 my ($self) = @_;
1713
1714 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1715 "$TMPDIR/$path.map"
1716}
1717
1718# the unique path, undef == no special unique path
1719sub uniq_path {
1720 my ($self) = @_;
1721
1722 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1723 "$UNIQUEDIR/$path"
1227} 1724}
1228 1725
1229# and all this just because we cannot iterate over 1726# and all this just because we cannot iterate over
1230# all maps in C++... 1727# all maps in C++...
1231sub change_all_map_light { 1728sub change_all_map_light {
1233 1730
1234 $_->change_map_light ($change) 1731 $_->change_map_light ($change)
1235 for grep $_->outdoor, values %cf::MAP; 1732 for grep $_->outdoor, values %cf::MAP;
1236} 1733}
1237 1734
1735sub decay_objects {
1736 my ($self) = @_;
1737
1738 return if $self->{deny_reset};
1739
1740 $self->do_decay_objects;
1741}
1742
1743sub unlink_save {
1744 my ($self) = @_;
1745
1746 utf8::encode (my $save = $self->save_path);
1747 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1748 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1749}
1750
1238sub try_load_header($) { 1751sub load_header_from($) {
1239 my ($path) = @_; 1752 my ($self, $path) = @_;
1240 1753
1241 utf8::encode $path; 1754 utf8::encode $path;
1242 aio_open $path, O_RDONLY, 0 1755 #aio_open $path, O_RDONLY, 0
1756 # or return;
1757
1758 $self->_load_header ($path)
1243 or return; 1759 or return;
1244 1760
1245 my $map = cf::map::new 1761 $self->{load_path} = $path;
1762
1763 1
1764}
1765
1766sub load_header_orig {
1767 my ($self) = @_;
1768
1769 $self->load_header_from ($self->load_path)
1770}
1771
1772sub load_header_temp {
1773 my ($self) = @_;
1774
1775 $self->load_header_from ($self->save_path)
1776}
1777
1778sub prepare_temp {
1779 my ($self) = @_;
1780
1781 $self->last_access ((delete $self->{last_access})
1782 || $cf::RUNTIME); #d#
1783 # safety
1784 $self->{instantiate_time} = $cf::RUNTIME
1785 if $self->{instantiate_time} > $cf::RUNTIME;
1786}
1787
1788sub prepare_orig {
1789 my ($self) = @_;
1790
1791 $self->{load_original} = 1;
1792 $self->{instantiate_time} = $cf::RUNTIME;
1793 $self->last_access ($cf::RUNTIME);
1794 $self->instantiate;
1795}
1796
1797sub load_header {
1798 my ($self) = @_;
1799
1800 if ($self->load_header_temp) {
1801 $self->prepare_temp;
1802 } else {
1803 $self->load_header_orig
1246 or return; 1804 or return;
1805 $self->prepare_orig;
1806 }
1247 1807
1248 # for better error messages only, will be overwritten 1808 $self->{deny_reset} = 1
1249 $map->path ($path); 1809 if $self->no_reset;
1250 1810
1251 $map->load_header ($path) 1811 $self->default_region (cf::region::find_by_path $self->{path})
1252 or return; 1812 unless $self->default_region;
1253 1813
1254 $map->{load_path} = $path; 1814 1
1255
1256 $map
1257} 1815}
1258 1816
1259sub find; 1817sub find;
1260sub find { 1818sub find {
1261 my ($path, $origin) = @_; 1819 my ($path, $origin) = @_;
1262 1820
1263 #warn "find<$path,$origin>\n";#d#
1264
1265 $path = new cf::path $path, $origin && $origin->path; 1821 $path = normalise $path, $origin && $origin->path;
1266 my $key = $path->as_string;
1267 1822
1268 cf::lock_wait "map_find:$key"; 1823 cf::lock_wait "map_find:$path";
1269 1824
1270 $cf::MAP{$key} || do { 1825 $cf::MAP{$path} || do {
1271 my $guard = cf::lock_acquire "map_find:$key"; 1826 my $guard = cf::lock_acquire "map_find:$path";
1272 1827 my $map = new_from_path cf::map $path
1273 # do it the slow way
1274 my $map = try_load_header $path->save_path;
1275
1276 Coro::cede;
1277
1278 if ($map) {
1279 $map->last_access ((delete $map->{last_access})
1280 || $cf::RUNTIME); #d#
1281 # safety
1282 $map->{instantiate_time} = $cf::RUNTIME
1283 if $map->{instantiate_time} > $cf::RUNTIME;
1284 } else {
1285 if (my $rmp = $path->random_map_params) {
1286 $map = generate_random_map $key, $rmp;
1287 } else {
1288 $map = try_load_header $path->load_path;
1289 }
1290
1291 $map or return; 1828 or return;
1292 1829
1293 $map->{load_original} = 1;
1294 $map->{instantiate_time} = $cf::RUNTIME;
1295 $map->last_access ($cf::RUNTIME);
1296 $map->instantiate;
1297
1298 # per-player maps become, after loading, normal maps
1299 $map->per_player (0) if $path->{user_rel};
1300 }
1301
1302 $map->path ($key);
1303 $map->{path} = $path;
1304 $map->{last_save} = $cf::RUNTIME; 1830 $map->{last_save} = $cf::RUNTIME;
1305 1831
1306 Coro::cede; 1832 $map->load_header
1833 or return;
1307 1834
1308 if ($map->should_reset) { 1835 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836 # doing this can freeze the server in a sync job, obviously
1837 #$cf::WAIT_FOR_TICK->wait;
1309 $map->reset; 1838 $map->reset;
1310 undef $guard; 1839 undef $guard;
1311 $map = find $path 1840 return find $path;
1312 or return;
1313 } 1841 }
1314 1842
1315 $cf::MAP{$key} = $map 1843 $cf::MAP{$path} = $map
1316 } 1844 }
1317} 1845}
1846
1847sub pre_load { }
1848sub post_load { }
1318 1849
1319sub load { 1850sub load {
1320 my ($self) = @_; 1851 my ($self) = @_;
1321 1852
1853 local $self->{deny_reset} = 1; # loading can take a long time
1854
1322 my $path = $self->{path}; 1855 my $path = $self->{path};
1856
1857 {
1858 my $guard1 = cf::lock_acquire "map_data:$path";
1323 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1859 my $guard2 = cf::lock_acquire "map_load:$path";
1324 1860
1325 return if $self->in_memory != cf::MAP_SWAPPED; 1861 return if $self->in_memory != cf::MAP_SWAPPED;
1326 1862
1327 $self->in_memory (cf::MAP_LOADING); 1863 $self->in_memory (cf::MAP_LOADING);
1328 1864
1329 $self->alloc; 1865 $self->alloc;
1866
1867 $self->pre_load;
1868 cf::cede_to_tick;
1869
1330 $self->load_objects ($self->{load_path}, 1) 1870 $self->_load_objects ($self->{load_path}, 1)
1331 or return; 1871 or return;
1332 1872
1333 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1873 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1334 if delete $self->{load_original}; 1874 if delete $self->{load_original};
1335 1875
1336 if (my $uniq = $path->uniq_path) { 1876 if (my $uniq = $self->uniq_path) {
1337 utf8::encode $uniq; 1877 utf8::encode $uniq;
1338 if (aio_open $uniq, O_RDONLY, 0) { 1878 if (aio_open $uniq, O_RDONLY, 0) {
1339 $self->clear_unique_items; 1879 $self->clear_unique_items;
1340 $self->load_objects ($uniq, 0); 1880 $self->_load_objects ($uniq, 0);
1341 } 1881 }
1342 } 1882 }
1343 1883
1344 Coro::cede; 1884 cf::cede_to_tick;
1345
1346 # now do the right thing for maps 1885 # now do the right thing for maps
1347 $self->link_multipart_objects; 1886 $self->link_multipart_objects;
1348
1349 if ($self->{path}->is_style_map) {
1350 $self->{deny_save} = 1;
1351 $self->{deny_reset} = 1;
1352 } else {
1353 $self->fix_auto_apply;
1354 $self->decay_objects;
1355 $self->update_buttons;
1356 $self->set_darkness_map;
1357 $self->difficulty ($self->estimate_difficulty) 1887 $self->difficulty ($self->estimate_difficulty)
1358 unless $self->difficulty; 1888 unless $self->difficulty;
1889 cf::cede_to_tick;
1890
1891 unless ($self->{deny_activate}) {
1892 $self->decay_objects;
1893 $self->fix_auto_apply;
1894 $self->update_buttons;
1895 cf::cede_to_tick;
1896 $self->set_darkness_map;
1897 cf::cede_to_tick;
1359 $self->activate; 1898 $self->activate;
1360 } 1899 }
1361 1900
1362 Coro::cede; 1901 $self->{last_save} = $cf::RUNTIME;
1902 $self->last_access ($cf::RUNTIME);
1363 1903
1364 $self->in_memory (cf::MAP_IN_MEMORY); 1904 $self->in_memory (cf::MAP_IN_MEMORY);
1905 }
1906
1907 $self->post_load;
1908}
1909
1910sub customise_for {
1911 my ($self, $ob) = @_;
1912
1913 return find "~" . $ob->name . "/" . $self->{path}
1914 if $self->per_player;
1915
1916# return find "?party/" . $ob->name . "/" . $self->{path}
1917# if $self->per_party;
1918
1919 $self
1920}
1921
1922# find and load all maps in the 3x3 area around a map
1923sub load_neighbours {
1924 my ($map) = @_;
1925
1926 my @neigh; # diagonal neighbours
1927
1928 for (0 .. 3) {
1929 my $neigh = $map->tile_path ($_)
1930 or next;
1931 $neigh = find $neigh, $map
1932 or next;
1933 $neigh->load;
1934
1935 push @neigh,
1936 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1937 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1938 }
1939
1940 for (grep defined $_->[0], @neigh) {
1941 my ($path, $origin) = @$_;
1942 my $neigh = find $path, $origin
1943 or next;
1944 $neigh->load;
1945 }
1365} 1946}
1366 1947
1367sub find_sync { 1948sub find_sync {
1368 my ($path, $origin) = @_; 1949 my ($path, $origin) = @_;
1369 1950
1370 cf::sync_job { cf::map::find $path, $origin } 1951 cf::sync_job { find $path, $origin }
1371} 1952}
1372 1953
1373sub do_load_sync { 1954sub do_load_sync {
1374 my ($map) = @_; 1955 my ($map) = @_;
1375 1956
1957 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1958 if $Coro::current == $Coro::main;
1959
1376 cf::sync_job { $map->load }; 1960 cf::sync_job { $map->load };
1961}
1962
1963our %MAP_PREFETCH;
1964our $MAP_PREFETCHER = undef;
1965
1966sub find_async {
1967 my ($path, $origin, $load) = @_;
1968
1969 $path = normalise $path, $origin && $origin->{path};
1970
1971 if (my $map = $cf::MAP{$path}) {
1972 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1973 }
1974
1975 $MAP_PREFETCH{$path} |= $load;
1976
1977 $MAP_PREFETCHER ||= cf::async {
1978 while (%MAP_PREFETCH) {
1979 while (my ($k, $v) = each %MAP_PREFETCH) {
1980 if (my $map = find $k) {
1981 $map->load if $v;
1982 }
1983
1984 delete $MAP_PREFETCH{$k};
1985 }
1986 }
1987 undef $MAP_PREFETCHER;
1988 };
1989 $MAP_PREFETCHER->prio (6);
1990
1991 ()
1377} 1992}
1378 1993
1379sub save { 1994sub save {
1380 my ($self) = @_; 1995 my ($self) = @_;
1381 1996
1382 my $lock = cf::lock_acquire "map_data:" . $self->path; 1997 my $lock = cf::lock_acquire "map_data:$self->{path}";
1383 1998
1384 $self->{last_save} = $cf::RUNTIME; 1999 $self->{last_save} = $cf::RUNTIME;
1385 2000
1386 return unless $self->dirty; 2001 return unless $self->dirty;
1387 2002
1388 my $save = $self->{path}->save_path; utf8::encode $save; 2003 my $save = $self->save_path; utf8::encode $save;
1389 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2004 my $uniq = $self->uniq_path; utf8::encode $uniq;
1390 2005
1391 $self->{load_path} = $save; 2006 $self->{load_path} = $save;
1392 2007
1393 return if $self->{deny_save}; 2008 return if $self->{deny_save};
1394 2009
1397 cf::async { 2012 cf::async {
1398 $_->contr->save for $self->players; 2013 $_->contr->save for $self->players;
1399 }; 2014 };
1400 2015
1401 if ($uniq) { 2016 if ($uniq) {
1402 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2017 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1403 $self->save_objects ($uniq, cf::IO_UNIQUES); 2018 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1404 } else { 2019 } else {
1405 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2020 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1406 } 2021 }
1407} 2022}
1408 2023
1409sub swap_out { 2024sub swap_out {
1410 my ($self) = @_; 2025 my ($self) = @_;
1411 2026
1412 # save first because save cedes 2027 # save first because save cedes
1413 $self->save; 2028 $self->save;
1414 2029
1415 my $lock = cf::lock_acquire "map_data:" . $self->path; 2030 my $lock = cf::lock_acquire "map_data:$self->{path}";
1416 2031
1417 return if $self->players; 2032 return if $self->players;
1418 return if $self->in_memory != cf::MAP_IN_MEMORY; 2033 return if $self->in_memory != cf::MAP_IN_MEMORY;
1419 return if $self->{deny_save}; 2034 return if $self->{deny_save};
1420 2035
1424 2039
1425sub reset_at { 2040sub reset_at {
1426 my ($self) = @_; 2041 my ($self) = @_;
1427 2042
1428 # TODO: safety, remove and allow resettable per-player maps 2043 # TODO: safety, remove and allow resettable per-player maps
1429 return 1e99 if $self->{path}{user_rel};
1430 return 1e99 if $self->{deny_reset}; 2044 return 1e99 if $self->{deny_reset};
1431 2045
1432 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2046 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1433 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2047 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1434 2048
1439 my ($self) = @_; 2053 my ($self) = @_;
1440 2054
1441 $self->reset_at <= $cf::RUNTIME 2055 $self->reset_at <= $cf::RUNTIME
1442} 2056}
1443 2057
1444sub unlink_save {
1445 my ($self) = @_;
1446
1447 utf8::encode (my $save = $self->{path}->save_path);
1448 aioreq_pri 3; IO::AIO::aio_unlink $save;
1449 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1450}
1451
1452sub rename {
1453 my ($self, $new_path) = @_;
1454
1455 $self->unlink_save;
1456
1457 delete $cf::MAP{$self->path};
1458 $self->{path} = new cf::path $new_path;
1459 $self->path ($self->{path}->as_string);
1460 $cf::MAP{$self->path} = $self;
1461
1462 $self->save;
1463}
1464
1465sub reset { 2058sub reset {
1466 my ($self) = @_; 2059 my ($self) = @_;
1467 2060
1468 my $lock = cf::lock_acquire "map_data:" . $self->path; 2061 my $lock = cf::lock_acquire "map_data:$self->{path}";
1469 2062
1470 return if $self->players; 2063 return if $self->players;
1471 return if $self->{path}{user_rel};#d#
1472 2064
1473 warn "resetting map ", $self->path;#d# 2065 warn "resetting map ", $self->path;
2066
2067 $self->in_memory (cf::MAP_SWAPPED);
2068
2069 # need to save uniques path
2070 unless ($self->{deny_save}) {
2071 my $uniq = $self->uniq_path; utf8::encode $uniq;
2072
2073 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2074 if $uniq;
2075 }
1474 2076
1475 delete $cf::MAP{$self->path}; 2077 delete $cf::MAP{$self->path};
2078
2079 $self->clear;
1476 2080
1477 $_->clear_links_to ($self) for values %cf::MAP; 2081 $_->clear_links_to ($self) for values %cf::MAP;
1478 2082
1479 $self->unlink_save; 2083 $self->unlink_save;
1480 $self->destroy; 2084 $self->destroy;
1483my $nuke_counter = "aaaa"; 2087my $nuke_counter = "aaaa";
1484 2088
1485sub nuke { 2089sub nuke {
1486 my ($self) = @_; 2090 my ($self) = @_;
1487 2091
2092 {
2093 my $lock = cf::lock_acquire "map_data:$self->{path}";
2094
2095 delete $cf::MAP{$self->path};
2096
2097 $self->unlink_save;
2098
2099 bless $self, "cf::map";
2100 delete $self->{deny_reset};
1488 $self->{deny_save} = 1; 2101 $self->{deny_save} = 1;
1489 $self->reset_timeout (1); 2102 $self->reset_timeout (1);
1490 $self->rename ("{nuke}/" . ($nuke_counter++)); 2103 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2104
2105 $cf::MAP{$self->path} = $self;
2106 }
2107
1491 $self->reset; # polite request, might not happen 2108 $self->reset; # polite request, might not happen
1492} 2109}
1493 2110
1494sub customise_for { 2111=item $maps = cf::map::tmp_maps
1495 my ($map, $ob) = @_;
1496 2112
1497 if ($map->per_player) { 2113Returns an arrayref with all map paths of currently instantiated and saved
1498 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2114maps. May block.
2115
2116=cut
2117
2118sub tmp_maps() {
1499 } 2119 [
1500 2120 map {
1501 $map 2121 utf8::decode $_;
2122 /\.map$/
2123 ? normalise $_
2124 : ()
2125 } @{ aio_readdir $TMPDIR or [] }
2126 ]
1502} 2127}
1503 2128
1504sub emergency_save { 2129=item $maps = cf::map::random_maps
1505 my $freeze_guard = cf::freeze_mainloop;
1506 2130
1507 warn "enter emergency perl save\n"; 2131Returns an arrayref with all map paths of currently instantiated and saved
2132random maps. May block.
1508 2133
1509 cf::sync_job { 2134=cut
1510 warn "begin emergency player save\n";
1511 $_->save for values %cf::PLAYER;
1512 warn "end emergency player save\n";
1513 2135
1514 warn "begin emergency map save\n"; 2136sub random_maps() {
1515 $_->save for values %cf::MAP; 2137 [
1516 warn "end emergency map save\n"; 2138 map {
1517 }; 2139 utf8::decode $_;
2140 /\.map$/
2141 ? normalise "?random/$_"
2142 : ()
2143 } @{ aio_readdir $RANDOMDIR or [] }
2144 ]
2145}
1518 2146
1519 warn "leave emergency perl save\n"; 2147=item cf::map::unique_maps
2148
2149Returns an arrayref of paths of all shared maps that have
2150instantiated unique items. May block.
2151
2152=cut
2153
2154sub unique_maps() {
2155 [
2156 map {
2157 utf8::decode $_;
2158 /\.map$/
2159 ? normalise $_
2160 : ()
2161 } @{ aio_readdir $UNIQUEDIR or [] }
2162 ]
1520} 2163}
1521 2164
1522package cf; 2165package cf;
1523 2166
1524=back 2167=back
1525 2168
2169=head3 cf::object
2170
2171=cut
2172
2173package cf::object;
2174
2175=over 4
2176
2177=item $ob->inv_recursive
2178
2179Returns the inventory of the object _and_ their inventories, recursively.
2180
2181=cut
2182
2183sub inv_recursive_;
2184sub inv_recursive_ {
2185 map { $_, inv_recursive_ $_->inv } @_
2186}
2187
2188sub inv_recursive {
2189 inv_recursive_ inv $_[0]
2190}
2191
2192package cf;
2193
2194=back
1526 2195
1527=head3 cf::object::player 2196=head3 cf::object::player
1528 2197
1529=over 4 2198=over 4
1530 2199
1544 2213
1545 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2214 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1546 2215
1547 if ($self->{record_replies}) { 2216 if ($self->{record_replies}) {
1548 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2217 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2218
1549 } else { 2219 } else {
2220 my $pl = $self->contr;
2221
2222 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2223 my $dialog = $pl->{npc_dialog};
2224 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225
2226 } else {
1550 $msg = $npc->name . " says: $msg" if $npc; 2227 $msg = $npc->name . " says: $msg" if $npc;
1551 $self->message ($msg, $flags); 2228 $self->message ($msg, $flags);
2229 }
1552 } 2230 }
2231}
2232
2233=item $object->send_msg ($channel, $msg, $color, [extra...])
2234
2235=cut
2236
2237sub cf::object::send_msg {
2238 my $pl = shift->contr
2239 or return;
2240 $pl->send_msg (@_);
1553} 2241}
1554 2242
1555=item $player_object->may ("access") 2243=item $player_object->may ("access")
1556 2244
1557Returns wether the given player is authorized to access resource "access" 2245Returns wether the given player is authorized to access resource "access"
1570 2258
1571=item $player_object->enter_link 2259=item $player_object->enter_link
1572 2260
1573Freezes the player and moves him/her to a special map (C<{link}>). 2261Freezes the player and moves him/her to a special map (C<{link}>).
1574 2262
1575The player should be reaosnably safe there for short amounts of time. You 2263The player should be reasonably safe there for short amounts of time. You
1576I<MUST> call C<leave_link> as soon as possible, though. 2264I<MUST> call C<leave_link> as soon as possible, though.
1577 2265
2266Will never block.
2267
1578=item $player_object->leave_link ($map, $x, $y) 2268=item $player_object->leave_link ($map, $x, $y)
1579 2269
1580Moves the player out of the specila link map onto the given map. If the 2270Moves the player out of the special C<{link}> map onto the specified
1581map is not valid (or omitted), the player will be moved back to the 2271map. If the map is not valid (or omitted), the player will be moved back
1582location he/she was before the call to C<enter_link>, or, if that fails, 2272to the location he/she was before the call to C<enter_link>, or, if that
1583to the emergency map position. 2273fails, to the emergency map position.
1584 2274
1585Might block. 2275Might block.
1586 2276
1587=cut 2277=cut
2278
2279sub link_map {
2280 unless ($LINK_MAP) {
2281 $LINK_MAP = cf::map::find "{link}"
2282 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2283 $LINK_MAP->load;
2284 }
2285
2286 $LINK_MAP
2287}
1588 2288
1589sub cf::object::player::enter_link { 2289sub cf::object::player::enter_link {
1590 my ($self) = @_; 2290 my ($self) = @_;
1591 2291
1592 $self->deactivate_recursive; 2292 $self->deactivate_recursive;
1593 2293
1594 return if $self->map == $LINK_MAP; 2294 return if UNIVERSAL::isa $self->map, "ext::map_link";
1595 2295
1596 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2296 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1597 if $self->map; 2297 if $self->map && $self->map->{path} ne "{link}";
1598 2298
1599 $self->enter_map ($LINK_MAP, 20, 20); 2299 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1600} 2300}
1601 2301
1602sub cf::object::player::leave_link { 2302sub cf::object::player::leave_link {
1603 my ($self, $map, $x, $y) = @_; 2303 my ($self, $map, $x, $y) = @_;
2304
2305 return unless $self->contr->active;
1604 2306
1605 my $link_pos = delete $self->{_link_pos}; 2307 my $link_pos = delete $self->{_link_pos};
1606 2308
1607 unless ($map) { 2309 unless ($map) {
1608 # restore original map position 2310 # restore original map position
1622 # use -1 or undef as default coordinates, not 0, 0 2324 # use -1 or undef as default coordinates, not 0, 0
1623 ($x, $y) = ($map->enter_x, $map->enter_y) 2325 ($x, $y) = ($map->enter_x, $map->enter_y)
1624 if $x <=0 && $y <= 0; 2326 if $x <=0 && $y <= 0;
1625 2327
1626 $map->load; 2328 $map->load;
2329 $map->load_neighbours;
1627 2330
1628 return unless $self->contr->active; 2331 return unless $self->contr->active;
1629 $self->activate_recursive; 2332 $self->activate_recursive;
2333
2334 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1630 $self->enter_map ($map, $x, $y); 2335 $self->enter_map ($map, $x, $y);
1631} 2336}
1632 2337
1633cf::player->attach ( 2338=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1634 on_logout => sub {
1635 my ($pl) = @_;
1636 2339
1637 # abort map switching before logout 2340Moves the player to the given map-path and coordinates by first freezing
1638 if ($pl->ob->{_link_pos}) { 2341her, loading and preparing them map, calling the provided $check callback
1639 cf::sync_job { 2342that has to return the map if sucecssful, and then unfreezes the player on
1640 $pl->ob->leave_link 2343the new (success) or old (failed) map position. In either case, $done will
1641 }; 2344be called at the end of this process.
1642 }
1643 },
1644 on_login => sub {
1645 my ($pl) = @_;
1646 2345
1647 # try to abort aborted map switching on player login :)
1648 # should happen only on crashes
1649 if ($pl->ob->{_link_pos}) {
1650 $pl->ob->enter_link;
1651 (async {
1652 # we need this sleep as the login has a concurrent enter_exit running
1653 # and this sleep increases chances of the player not ending up in scorn
1654 $pl->ob->reply (undef,
1655 "There was an internal problem at your last logout, "
1656 . "the server will try to bring you to your intended destination in a second.",
1657 cf::NDI_RED);
1658 Coro::Timer::sleep 1;
1659 $pl->ob->leave_link;
1660 })->prio (2);
1661 }
1662 },
1663);
1664
1665=item $player_object->goto ($path, $x, $y)
1666
1667=cut 2346=cut
2347
2348our $GOTOGEN;
1668 2349
1669sub cf::object::player::goto { 2350sub cf::object::player::goto {
1670 my ($self, $path, $x, $y) = @_; 2351 my ($self, $path, $x, $y, $check, $done) = @_;
2352
2353 # do generation counting so two concurrent goto's will be executed in-order
2354 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1671 2355
1672 $self->enter_link; 2356 $self->enter_link;
1673 2357
1674 (async { 2358 (async {
1675 $path = new cf::path $path; 2359 my $map = eval {
1676
1677 my $map = cf::map::find $path->as_string; 2360 my $map = cf::map::find $path;
2361
2362 if ($map) {
1678 $map = $map->customise_for ($self) if $map; 2363 $map = $map->customise_for ($self);
1679 2364 $map = $check->($map) if $check && $map;
1680# warn "entering ", $map->path, " at ($x, $y)\n" 2365 } else {
1681# if $map;
1682
1683 $map or $map->cluck ("oy");#d#
1684 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2366 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2367 }
1685 2368
2369 $map
2370 };
2371
2372 if ($@) {
2373 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2374 LOG llevError | logBacktrace, Carp::longmess $@;
2375 }
2376
2377 if ($gen == $self->{_goto_generation}) {
2378 delete $self->{_goto_generation};
1686 $self->leave_link ($map, $x, $y); 2379 $self->leave_link ($map, $x, $y);
2380 }
2381
2382 $done->() if $done;
1687 })->prio (1); 2383 })->prio (1);
1688} 2384}
1689 2385
1690=item $player_object->enter_exit ($exit_object) 2386=item $player_object->enter_exit ($exit_object)
1691 2387
1693 2389
1694sub parse_random_map_params { 2390sub parse_random_map_params {
1695 my ($spec) = @_; 2391 my ($spec) = @_;
1696 2392
1697 my $rmp = { # defaults 2393 my $rmp = { # defaults
1698 xsize => 10, 2394 xsize => (cf::rndm 15, 40),
1699 ysize => 10, 2395 ysize => (cf::rndm 15, 40),
2396 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2397 #layout => string,
1700 }; 2398 };
1701 2399
1702 for (split /\n/, $spec) { 2400 for (split /\n/, $spec) {
1703 my ($k, $v) = split /\s+/, $_, 2; 2401 my ($k, $v) = split /\s+/, $_, 2;
1704 2402
1708 $rmp 2406 $rmp
1709} 2407}
1710 2408
1711sub prepare_random_map { 2409sub prepare_random_map {
1712 my ($exit) = @_; 2410 my ($exit) = @_;
2411
2412 my $guard = cf::lock_acquire "exit_prepare:$exit";
1713 2413
1714 # all this does is basically replace the /! path by 2414 # all this does is basically replace the /! path by
1715 # a new random map path (?random/...) with a seed 2415 # a new random map path (?random/...) with a seed
1716 # that depends on the exit object 2416 # that depends on the exit object
1717 2417
1718 my $rmp = parse_random_map_params $exit->msg; 2418 my $rmp = parse_random_map_params $exit->msg;
1719 2419
1720 if ($exit->map) { 2420 if ($exit->map) {
1721 $rmp->{region} = $exit->map->region_name; 2421 $rmp->{region} = $exit->region->name;
1722 $rmp->{origin_map} = $exit->map->path; 2422 $rmp->{origin_map} = $exit->map->path;
1723 $rmp->{origin_x} = $exit->x; 2423 $rmp->{origin_x} = $exit->x;
1724 $rmp->{origin_y} = $exit->y; 2424 $rmp->{origin_y} = $exit->y;
1725 } 2425 }
1726 2426
1727 $rmp->{random_seed} ||= $exit->random_seed; 2427 $rmp->{random_seed} ||= $exit->random_seed;
1728 2428
1729 my $data = cf::to_json $rmp; 2429 my $data = cf::to_json $rmp;
1730 my $md5 = Digest::MD5::md5_hex $data; 2430 my $md5 = Digest::MD5::md5_hex $data;
2431 my $meta = "$RANDOMDIR/$md5.meta";
1731 2432
1732 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2433 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733 aio_write $fh, 0, (length $data), $data, 0; 2434 aio_write $fh, 0, (length $data), $data, 0;
2435 undef $fh;
2436 aio_rename "$meta~", $meta;
1734 2437
1735 $exit->slaying ("?random/$md5"); 2438 $exit->slaying ("?random/$md5");
1736 $exit->msg (undef); 2439 $exit->msg (undef);
1737 } 2440 }
1738} 2441}
1740sub cf::object::player::enter_exit { 2443sub cf::object::player::enter_exit {
1741 my ($self, $exit) = @_; 2444 my ($self, $exit) = @_;
1742 2445
1743 return unless $self->type == cf::PLAYER; 2446 return unless $self->type == cf::PLAYER;
1744 2447
2448 if ($exit->slaying eq "/!") {
2449 #TODO: this should de-fi-ni-te-ly not be a sync-job
2450 # the problem is that $exit might not survive long enough
2451 # so it needs to be done right now, right here
2452 cf::sync_job { prepare_random_map $exit };
2453 }
2454
2455 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456 my $hp = $exit->stats->hp;
2457 my $sp = $exit->stats->sp;
2458
1745 $self->enter_link; 2459 $self->enter_link;
2460
2461 # if exit is damned, update players death & WoR home-position
2462 $self->contr->savebed ($slaying, $hp, $sp)
2463 if $exit->flag (FLAG_DAMNED);
1746 2464
1747 (async { 2465 (async {
1748 $self->deactivate_recursive; # just to be sure 2466 $self->deactivate_recursive; # just to be sure
1749 unless (eval { 2467 unless (eval {
1750 prepare_random_map $exit 2468 $self->goto ($slaying, $hp, $sp);
1751 if $exit->slaying eq "/!";
1752
1753 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755 2469
1756 1; 2470 1;
1757 }) { 2471 }) {
1758 $self->message ("Something went wrong deep within the crossfire server. " 2472 $self->message ("Something went wrong deep within the crossfire server. "
1759 . "I'll try to bring you back to the map you were before. " 2473 . "I'll try to bring you back to the map you were before. "
1760 . "Please report this to the dungeon master", 2474 . "Please report this to the dungeon master!",
1761 cf::NDI_UNIQUE | cf::NDI_RED); 2475 cf::NDI_UNIQUE | cf::NDI_RED);
1762 2476
1763 warn "ERROR in enter_exit: $@"; 2477 warn "ERROR in enter_exit: $@";
1764 $self->leave_link; 2478 $self->leave_link;
1765 } 2479 }
1766 })->prio (1); 2480 })->prio (1);
1779 2493
1780sub cf::client::send_drawinfo { 2494sub cf::client::send_drawinfo {
1781 my ($self, $text, $flags) = @_; 2495 my ($self, $text, $flags) = @_;
1782 2496
1783 utf8::encode $text; 2497 utf8::encode $text;
1784 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2498 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785} 2499}
1786 2500
2501=item $client->send_msg ($channel, $msg, $color, [extra...])
2502
2503Send a drawinfo or msg packet to the client, formatting the msg for the
2504client if neccessary. C<$type> should be a string identifying the type of
2505the message, with C<log> being the default. If C<$color> is negative, suppress
2506the message unless the client supports the msg packet.
2507
2508=cut
2509
2510our %CHANNEL = (
2511 "c/identify" => {
2512 id => "identify",
2513 title => "Identify",
2514 reply => undef,
2515 tooltip => "Items recently identified",
2516 },
2517 "c/examine" => {
2518 id => "examine",
2519 title => "Examine",
2520 reply => undef,
2521 tooltip => "Signs and other items you examined",
2522 },
2523);
2524
2525sub cf::client::send_msg {
2526 my ($self, $channel, $msg, $color, @extra) = @_;
2527
2528 $msg = $self->pl->expand_cfpod ($msg);
2529
2530 $color &= cf::NDI_CLIENT_MASK; # just in case...
2531
2532 # check predefined channels, for the benefit of C
2533 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2534
2535 if (ref $channel) {
2536 # send meta info to client, if not yet sent
2537 unless (exists $self->{channel}{$channel->{id}}) {
2538 $self->{channel}{$channel->{id}} = $channel;
2539 $self->ext_msg (channel_info => $channel);
2540 }
2541
2542 $channel = $channel->{id};
2543 }
2544
2545 return unless @extra || length $msg;
2546
2547 if ($self->can_msg) {
2548 # default colour, mask it out
2549 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2550 if $color & cf::NDI_DEF;
2551
2552 $self->send_packet ("msg " . $self->{json_coder}->encode (
2553 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2554 } else {
2555 if ($color >= 0) {
2556 # replace some tags by gcfclient-compatible ones
2557 for ($msg) {
2558 1 while
2559 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2560 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2561 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2562 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2563 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2564 }
2565
2566 $color &= cf::NDI_COLOR_MASK;
2567
2568 utf8::encode $msg;
2569
2570 if (0 && $msg =~ /\[/) {
2571 # COMMAND/INFO
2572 $self->send_packet ("drawextinfo $color 10 8 $msg")
2573 } else {
2574 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2575 $self->send_packet ("drawinfo $color $msg")
2576 }
2577 }
2578 }
2579}
2580
2581=item $client->ext_msg ($type, @msg)
2582
2583Sends an ext event to the client.
2584
2585=cut
2586
2587sub cf::client::ext_msg($$@) {
2588 my ($self, $type, @msg) = @_;
2589
2590 if ($self->extcmd == 2) {
2591 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2592 } elsif ($self->extcmd == 1) { # TODO: remove
2593 push @msg, msgtype => "event_$type";
2594 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2595 }
2596}
2597
2598=item $client->ext_reply ($msgid, @msg)
2599
2600Sends an ext reply to the client.
2601
2602=cut
2603
2604sub cf::client::ext_reply($$@) {
2605 my ($self, $id, @msg) = @_;
2606
2607 if ($self->extcmd == 2) {
2608 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2609 } elsif ($self->extcmd == 1) {
2610 #TODO: version 1, remove
2611 unshift @msg, msgtype => "reply", msgid => $id;
2612 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2613 }
2614}
1787 2615
1788=item $success = $client->query ($flags, "text", \&cb) 2616=item $success = $client->query ($flags, "text", \&cb)
1789 2617
1790Queues a query to the client, calling the given callback with 2618Queues a query to the client, calling the given callback with
1791the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2619the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1792C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2620C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1793 2621
1794Queries can fail, so check the return code. Or don't, as queries will become 2622Queries can fail, so check the return code. Or don't, as queries will
1795reliable at some point in the future. 2623become reliable at some point in the future.
1796 2624
1797=cut 2625=cut
1798 2626
1799sub cf::client::query { 2627sub cf::client::query {
1800 my ($self, $flags, $text, $cb) = @_; 2628 my ($self, $flags, $text, $cb) = @_;
1808 utf8::encode $text; 2636 utf8::encode $text;
1809 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2637 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1810 2638
1811 $self->send_packet ($self->{query_queue}[0][0]) 2639 $self->send_packet ($self->{query_queue}[0][0])
1812 if @{ $self->{query_queue} } == 1; 2640 if @{ $self->{query_queue} } == 1;
2641
2642 1
1813} 2643}
1814 2644
1815cf::client->attach ( 2645cf::client->attach (
2646 on_connect => sub {
2647 my ($ns) = @_;
2648
2649 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2650 },
1816 on_reply => sub { 2651 on_reply => sub {
1817 my ($ns, $msg) = @_; 2652 my ($ns, $msg) = @_;
1818 2653
1819 # this weird shuffling is so that direct followup queries 2654 # this weird shuffling is so that direct followup queries
1820 # get handled first 2655 # get handled first
1821 my $queue = delete $ns->{query_queue} 2656 my $queue = delete $ns->{query_queue}
1822 or return; # be conservative, not sure how that can happen, but we saw a crash here 2657 or return; # be conservative, not sure how that can happen, but we saw a crash here
1823 2658
1824 (shift @$queue)->[1]->($msg); 2659 (shift @$queue)->[1]->($msg);
2660 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825 2661
1826 push @{ $ns->{query_queue} }, @$queue; 2662 push @{ $ns->{query_queue} }, @$queue;
1827 2663
1828 if (@{ $ns->{query_queue} } == @$queue) { 2664 if (@{ $ns->{query_queue} } == @$queue) {
1829 if (@$queue) { 2665 if (@$queue) {
1831 } else { 2667 } else {
1832 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2668 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1833 } 2669 }
1834 } 2670 }
1835 }, 2671 },
2672 on_exticmd => sub {
2673 my ($ns, $buf) = @_;
2674
2675 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2676
2677 if (ref $msg) {
2678 my ($type, $reply, @payload) =
2679 "ARRAY" eq ref $msg
2680 ? @$msg
2681 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2682
2683 my @reply;
2684
2685 if (my $cb = $EXTICMD{$type}) {
2686 @reply = $cb->($ns, @payload);
2687 }
2688
2689 $ns->ext_reply ($reply, @reply)
2690 if $reply;
2691
2692 } else {
2693 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2694 }
2695
2696 cf::override;
2697 },
1836); 2698);
1837 2699
1838=item $client->async (\&cb) 2700=item $client->async (\&cb)
1839 2701
1840Create a new coroutine, running the specified callback. The coroutine will 2702Create a new coroutine, running the specified callback. The coroutine will
1881our $safe = new Safe "safe"; 2743our $safe = new Safe "safe";
1882our $safe_hole = new Safe::Hole; 2744our $safe_hole = new Safe::Hole;
1883 2745
1884$SIG{FPE} = 'IGNORE'; 2746$SIG{FPE} = 'IGNORE';
1885 2747
1886$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2748$safe->permit_only (Opcode::opset qw(
2749 :base_core :base_mem :base_orig :base_math
2750 grepstart grepwhile mapstart mapwhile
2751 sort time
2752));
1887 2753
1888# here we export the classes and methods available to script code 2754# here we export the classes and methods available to script code
1889 2755
1890=pod 2756=pod
1891 2757
1892The following fucntions and emthods are available within a safe environment: 2758The following functions and methods are available within a safe environment:
1893 2759
1894 cf::object contr pay_amount pay_player map 2760 cf::object
2761 contr pay_amount pay_player map x y force_find force_add
2762 insert remove name archname title slaying race decrease_ob_nr
2763
1895 cf::object::player player 2764 cf::object::player
1896 cf::player peaceful 2765 player
1897 cf::map trigger 2766
2767 cf::player
2768 peaceful
2769
2770 cf::map
2771 trigger
1898 2772
1899=cut 2773=cut
1900 2774
1901for ( 2775for (
1902 ["cf::object" => qw(contr pay_amount pay_player map)], 2776 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2777 insert remove inv name archname title slaying race
2778 decrease_ob_nr)],
1903 ["cf::object::player" => qw(player)], 2779 ["cf::object::player" => qw(player)],
1904 ["cf::player" => qw(peaceful)], 2780 ["cf::player" => qw(peaceful)],
1905 ["cf::map" => qw(trigger)], 2781 ["cf::map" => qw(trigger)],
1906) { 2782) {
1907 no strict 'refs'; 2783 no strict 'refs';
1978=back 2854=back
1979 2855
1980=cut 2856=cut
1981 2857
1982############################################################################# 2858#############################################################################
2859# the server's init and main functions
1983 2860
1984=head2 EXTENSION DATABASE SUPPORT 2861sub load_facedata($) {
2862 my ($path) = @_;
1985 2863
1986Crossfire maintains a very simple database for extension use. It can 2864 # HACK to clear player env face cache, we need some signal framework
1987currently store anything that can be serialised using Storable, which 2865 # for this (global event?)
1988excludes objects. 2866 %ext::player_env::MUSIC_FACE_CACHE = ();
1989 2867
1990The parameter C<$family> should best start with the name of the extension 2868 my $enc = JSON::XS->new->utf8->canonical->relaxed;
1991using it, it should be unique.
1992 2869
1993=over 4 2870 warn "loading facedata from $path\n";
1994 2871
1995=item $hashref = cf::db_get $family 2872 my $facedata;
2873 0 < aio_load $path, $facedata
2874 or die "$path: $!";
1996 2875
1997Return a hashref for use by the extension C<$family>, which can be 2876 $facedata = Coro::Storable::thaw $facedata;
1998modified. After modifications, you have to call C<cf::db_dirty> or
1999C<cf::db_sync>.
2000 2877
2001=item $value = cf::db_get $family => $key 2878 $facedata->{version} == 2
2879 or cf::cleanup "$path: version mismatch, cannot proceed.";
2002 2880
2003Returns a single value from the database 2881 # patch in the exptable
2004 2882 $facedata->{resource}{"res/exp_table"} = {
2005=item cf::db_put $family => $hashref 2883 type => FT_RSRC,
2006 2884 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2007Stores the given family hashref into the database. Updates are delayed, if
2008you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009
2010=item cf::db_put $family => $key => $value
2011
2012Stores the given C<$value> in the family hash. Updates are delayed, if you
2013want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015=item cf::db_dirty
2016
2017Marks the database as dirty, to be updated at a later time.
2018
2019=item cf::db_sync
2020
2021Immediately write the database to disk I<if it is dirty>.
2022
2023=cut
2024
2025our $DB;
2026
2027{
2028 my $path = cf::localdir . "/database.pst";
2029
2030 sub db_load() {
2031 $DB = stat $path ? Storable::retrieve $path : { };
2032 }
2033
2034 my $pid;
2035
2036 sub db_save() {
2037 waitpid $pid, 0 if $pid;
2038 if (0 == ($pid = fork)) {
2039 $DB->{_meta}{version} = 1;
2040 Storable::nstore $DB, "$path~";
2041 rename "$path~", $path;
2042 cf::_exit 0 if defined $pid;
2043 }
2044 }
2045
2046 my $dirty;
2047
2048 sub db_sync() {
2049 db_save if $dirty;
2050 undef $dirty;
2051 }
2052
2053 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054 db_sync;
2055 }); 2885 };
2886 cf::cede_to_tick;
2056 2887
2057 sub db_dirty() {
2058 $dirty = 1;
2059 $idle->start;
2060 } 2888 {
2889 my $faces = $facedata->{faceinfo};
2061 2890
2062 sub db_get($;$) { 2891 while (my ($face, $info) = each %$faces) {
2063 @_ >= 2 2892 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2064 ? $DB->{$_[0]}{$_[1]} 2893 cf::face::set_visibility $idx, $info->{visibility};
2065 : ($DB->{$_[0]} ||= { }) 2894 cf::face::set_magicmap $idx, $info->{magicmap};
2066 } 2895 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2896 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2067 2897
2068 sub db_put($$;$) { 2898 cf::cede_to_tick;
2069 if (@_ >= 3) {
2070 $DB->{$_[0]}{$_[1]} = $_[2];
2071 } else {
2072 $DB->{$_[0]} = $_[1];
2073 }
2074 db_dirty;
2075 }
2076
2077 cf::global->attach (
2078 prio => 10000,
2079 on_cleanup => sub {
2080 db_sync;
2081 }, 2899 }
2082 );
2083}
2084 2900
2085############################################################################# 2901 while (my ($face, $info) = each %$faces) {
2086# the server's main() 2902 next unless $info->{smooth};
2903 my $idx = cf::face::find $face
2904 or next;
2905 if (my $smooth = cf::face::find $info->{smooth}) {
2906 cf::face::set_smooth $idx, $smooth;
2907 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2908 } else {
2909 warn "smooth face '$info->{smooth}' not found for face '$face'";
2910 }
2087 2911
2088sub cfg_load { 2912 cf::cede_to_tick;
2913 }
2914 }
2915
2916 {
2917 my $anims = $facedata->{animinfo};
2918
2919 while (my ($anim, $info) = each %$anims) {
2920 cf::anim::set $anim, $info->{frames}, $info->{facings};
2921 cf::cede_to_tick;
2922 }
2923
2924 cf::anim::invalidate_all; # d'oh
2925 }
2926
2927 {
2928 # TODO: for gcfclient pleasure, we should give resources
2929 # that gcfclient doesn't grok a >10000 face index.
2930 my $res = $facedata->{resource};
2931
2932 my $soundconf = delete $res->{"res/sound.conf"};
2933
2934 while (my ($name, $info) = each %$res) {
2935 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2936 my $data;
2937
2938 if ($info->{type} & 1) {
2939 # prepend meta info
2940
2941 my $meta = $enc->encode ({
2942 name => $name,
2943 %{ $info->{meta} || {} },
2944 });
2945
2946 $data = pack "(w/a*)*", $meta, $info->{data};
2947 } else {
2948 $data = $info->{data};
2949 }
2950
2951 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2952 cf::face::set_type $idx, $info->{type};
2953
2954 cf::cede_to_tick;
2955 }
2956
2957 if ($soundconf) {
2958 $soundconf = $enc->decode (delete $soundconf->{data});
2959
2960 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2961 my $sound = $soundconf->{compat}[$_]
2962 or next;
2963
2964 my $face = cf::face::find "sound/$sound->[1]";
2965 cf::sound::set $sound->[0] => $face;
2966 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2967 }
2968
2969 while (my ($k, $v) = each %{$soundconf->{event}}) {
2970 my $face = cf::face::find "sound/$v";
2971 cf::sound::set $k => $face;
2972 }
2973 }
2974 }
2975
2976 1
2977}
2978
2979register_exticmd fx_want => sub {
2980 my ($ns, $want) = @_;
2981
2982 while (my ($k, $v) = each %$want) {
2983 $ns->fx_want ($k, $v);
2984 }
2985};
2986
2987sub reload_regions {
2988 # HACK to clear player env face cache, we need some signal framework
2989 # for this (global event?)
2990 %ext::player_env::MUSIC_FACE_CACHE = ();
2991
2992 load_resource_file "$MAPDIR/regions"
2993 or die "unable to load regions file\n";
2994
2995 for (cf::region::list) {
2996 $_->{match} = qr/$_->{match}/
2997 if exists $_->{match};
2998 }
2999}
3000
3001sub reload_facedata {
3002 load_facedata "$DATADIR/facedata"
3003 or die "unable to load facedata\n";
3004}
3005
3006sub reload_archetypes {
3007 load_resource_file "$DATADIR/archetypes"
3008 or die "unable to load archetypes\n";
3009 #d# NEED to laod twice to resolve forward references
3010 # this really needs to be done in an extra post-pass
3011 # (which needs to be synchronous, so solve it differently)
3012 load_resource_file "$DATADIR/archetypes"
3013 or die "unable to load archetypes\n";
3014}
3015
3016sub reload_treasures {
3017 load_resource_file "$DATADIR/treasures"
3018 or die "unable to load treasurelists\n";
3019}
3020
3021sub reload_resources {
3022 warn "reloading resource files...\n";
3023
3024 reload_regions;
3025 reload_facedata;
3026 #reload_archetypes;#d#
3027 reload_archetypes;
3028 reload_treasures;
3029
3030 warn "finished reloading resource files\n";
3031}
3032
3033sub init {
3034 reload_resources;
3035}
3036
3037sub reload_config {
2089 open my $fh, "<:utf8", cf::confdir . "/config" 3038 open my $fh, "<:utf8", "$CONFDIR/config"
2090 or return; 3039 or return;
2091 3040
2092 local $/; 3041 local $/;
2093 *CFG = YAML::Syck::Load <$fh>; 3042 *CFG = YAML::Syck::Load <$fh>;
2094 3043
2108 3057
2109sub main { 3058sub main {
2110 # we must not ever block the main coroutine 3059 # we must not ever block the main coroutine
2111 local $Coro::idle = sub { 3060 local $Coro::idle = sub {
2112 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3061 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3062 (async {
2113 async { Event::one_event }; 3063 Event::one_event;
3064 })->prio (Coro::PRIO_MAX);
2114 }; 3065 };
2115 3066
2116 cfg_load; 3067 reload_config;
2117 db_load; 3068 db_init;
2118 load_extensions; 3069 load_extensions;
3070
3071 $TICK_WATCHER->start;
2119 Event::loop; 3072 Event::loop;
2120} 3073}
2121 3074
2122############################################################################# 3075#############################################################################
2123# initialisation 3076# initialisation and cleanup
2124 3077
3078# install some emergency cleanup handlers
3079BEGIN {
3080 for my $signal (qw(INT HUP TERM)) {
3081 Event->signal (
3082 reentrant => 0,
3083 data => WF_AUTOCANCEL,
3084 signal => $signal,
3085 prio => 0,
3086 cb => sub {
3087 cf::cleanup "SIG$signal";
3088 },
3089 );
3090 }
3091}
3092
3093sub write_runtime {
3094 my $runtime = "$LOCALDIR/runtime";
3095
3096 # first touch the runtime file to show we are still running:
3097 # the fsync below can take a very very long time.
3098
3099 IO::AIO::aio_utime $runtime, undef, undef;
3100
3101 my $guard = cf::lock_acquire "write_runtime";
3102
3103 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3104 or return;
3105
3106 my $value = $cf::RUNTIME + 90 + 10;
3107 # 10 is the runtime save interval, for a monotonic clock
3108 # 60 allows for the watchdog to kill the server.
3109
3110 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3111 and return;
3112
3113 # always fsync - this file is important
3114 aio_fsync $fh
3115 and return;
3116
3117 # touch it again to show we are up-to-date
3118 aio_utime $fh, undef, undef;
3119
3120 close $fh
3121 or return;
3122
3123 aio_rename "$runtime~", $runtime
3124 and return;
3125
3126 warn "runtime file written.\n";
3127
3128 1
3129}
3130
3131sub emergency_save() {
3132 my $freeze_guard = cf::freeze_mainloop;
3133
3134 warn "enter emergency perl save\n";
3135
3136 cf::sync_job {
3137 # use a peculiar iteration method to avoid tripping on perl
3138 # refcount bugs in for. also avoids problems with players
3139 # and maps saved/destroyed asynchronously.
3140 warn "begin emergency player save\n";
3141 for my $login (keys %cf::PLAYER) {
3142 my $pl = $cf::PLAYER{$login} or next;
3143 $pl->valid or next;
3144 $pl->save;
3145 }
3146 warn "end emergency player save\n";
3147
3148 warn "begin emergency map save\n";
3149 for my $path (keys %cf::MAP) {
3150 my $map = $cf::MAP{$path} or next;
3151 $map->valid or next;
3152 $map->save;
3153 }
3154 warn "end emergency map save\n";
3155
3156 warn "begin emergency database checkpoint\n";
3157 BDB::db_env_txn_checkpoint $DB_ENV;
3158 warn "end emergency database checkpoint\n";
3159 };
3160
3161 warn "leave emergency perl save\n";
3162}
3163
3164sub post_cleanup {
3165 my ($make_core) = @_;
3166
3167 warn Carp::longmess "post_cleanup backtrace"
3168 if $make_core;
3169}
3170
2125sub reload() { 3171sub do_reload_perl() {
2126 # can/must only be called in main 3172 # can/must only be called in main
2127 if ($Coro::current != $Coro::main) { 3173 if ($Coro::current != $Coro::main) {
2128 warn "can only reload from main coroutine\n"; 3174 warn "can only reload from main coroutine";
2129 return; 3175 return;
2130 } 3176 }
2131 3177
2132 warn "reloading..."; 3178 warn "reloading...";
2133 3179
2134 my $guard = freeze_mainloop; 3180 warn "entering sync_job";
3181
3182 cf::sync_job {
3183 cf::write_runtime; # external watchdog should not bark
2135 cf::emergency_save; 3184 cf::emergency_save;
3185 cf::write_runtime; # external watchdog should not bark
2136 3186
2137 eval { 3187 warn "syncing database to disk";
3188 BDB::db_env_txn_checkpoint $DB_ENV;
3189
2138 # if anything goes wrong in here, we should simply crash as we already saved 3190 # if anything goes wrong in here, we should simply crash as we already saved
2139 3191
2140 # cancel all watchers 3192 warn "cancelling all WF_AUTOCANCEL watchers";
2141 for (Event::all_watchers) { 3193 for (Event::all_watchers) {
2142 $_->cancel if $_->data & WF_AUTOCANCEL; 3194 $_->cancel if $_->data & WF_AUTOCANCEL;
2143 } 3195 }
2144 3196
3197 warn "flushing outstanding aio requests";
3198 for (;;) {
3199 BDB::flush;
3200 IO::AIO::flush;
3201 Coro::cede;
3202 last unless IO::AIO::nreqs || BDB::nreqs;
3203 warn "iterate...";
3204 }
3205
3206 ++$RELOAD;
3207
2145 # cancel all extension coros 3208 warn "cancelling all extension coros";
2146 $_->cancel for values %EXT_CORO; 3209 $_->cancel for values %EXT_CORO;
2147 %EXT_CORO = (); 3210 %EXT_CORO = ();
2148 3211
2149 # unload all extensions 3212 warn "removing commands";
2150 for (@exts) { 3213 %COMMAND = ();
3214
3215 warn "removing ext/exti commands";
3216 %EXTCMD = ();
3217 %EXTICMD = ();
3218
3219 warn "unloading/nuking all extensions";
3220 for my $pkg (@EXTS) {
2151 warn "unloading <$_>"; 3221 warn "... unloading $pkg";
2152 unload_extension $_; 3222
3223 if (my $cb = $pkg->can ("unload")) {
3224 eval {
3225 $cb->($pkg);
3226 1
3227 } or warn "$pkg unloaded, but with errors: $@";
2153 } 3228 }
2154 3229
3230 warn "... nuking $pkg";
3231 Symbol::delete_package $pkg;
3232 }
3233
2155 # unload all modules loaded from $LIBDIR 3234 warn "unloading all perl modules loaded from $LIBDIR";
2156 while (my ($k, $v) = each %INC) { 3235 while (my ($k, $v) = each %INC) {
2157 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3236 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158 3237
2159 warn "removing <$k>"; 3238 warn "... unloading $k";
2160 delete $INC{$k}; 3239 delete $INC{$k};
2161 3240
2162 $k =~ s/\.pm$//; 3241 $k =~ s/\.pm$//;
2163 $k =~ s/\//::/g; 3242 $k =~ s/\//::/g;
2164 3243
2167 } 3246 }
2168 3247
2169 Symbol::delete_package $k; 3248 Symbol::delete_package $k;
2170 } 3249 }
2171 3250
2172 # sync database to disk
2173 cf::db_sync;
2174 IO::AIO::flush;
2175
2176 # get rid of safe::, as good as possible 3251 warn "getting rid of safe::, as good as possible";
2177 Symbol::delete_package "safe::$_" 3252 Symbol::delete_package "safe::$_"
2178 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3253 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179 3254
2180 # remove register_script_function callbacks
2181 # TODO
2182
2183 # unload cf.pm "a bit" 3255 warn "unloading cf.pm \"a bit\"";
2184 delete $INC{"cf.pm"}; 3256 delete $INC{"cf.pm"};
3257 delete $INC{"cf/pod.pm"};
2185 3258
2186 # don't, removes xs symbols, too, 3259 # don't, removes xs symbols, too,
2187 # and global variables created in xs 3260 # and global variables created in xs
2188 #Symbol::delete_package __PACKAGE__; 3261 #Symbol::delete_package __PACKAGE__;
2189 3262
2190 # reload cf.pm 3263 warn "unload completed, starting to reload now";
3264
2191 warn "reloading cf.pm"; 3265 warn "reloading cf.pm";
2192 require cf; 3266 require cf;
2193 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3267 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194 3268
2195 # load config and database again 3269 warn "loading config and database again";
2196 cf::cfg_load; 3270 cf::reload_config;
2197 cf::db_load;
2198 3271
2199 # load extensions
2200 warn "load extensions"; 3272 warn "loading extensions";
2201 cf::load_extensions; 3273 cf::load_extensions;
2202 3274
2203 # reattach attachments to objects 3275 warn "reattaching attachments to objects/players";
2204 warn "reattach"; 3276 _global_reattach; # objects, sockets
2205 _global_reattach; 3277 warn "reattaching attachments to maps";
2206 reattach $_ for values %MAP; 3278 reattach $_ for values %MAP;
2207 }; 3279 warn "reattaching attachments to players";
3280 reattach $_ for values %PLAYER;
2208 3281
2209 if ($@) { 3282 warn "leaving sync_job";
3283
3284 1
3285 } or do {
2210 warn $@; 3286 warn $@;
2211 warn "error while reloading, exiting."; 3287 warn "error while reloading, exiting.";
2212 exit 1; 3288 exit 1;
2213 } 3289 };
2214 3290
2215 warn "reloaded successfully"; 3291 warn "reloaded";
2216}; 3292};
2217 3293
2218############################################################################# 3294our $RELOAD_WATCHER; # used only during reload
2219 3295
2220unless ($LINK_MAP) { 3296sub reload_perl() {
2221 $LINK_MAP = cf::map::new; 3297 # doing reload synchronously and two reloads happen back-to-back,
3298 # coro crashes during coro_state_free->destroy here.
2222 3299
2223 $LINK_MAP->width (41); 3300 $RELOAD_WATCHER ||= Event->timer (
2224 $LINK_MAP->height (41); 3301 reentrant => 0,
2225 $LINK_MAP->alloc;
2226 $LINK_MAP->path ("{link}");
2227 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230 # dirty hack because... archetypes are not yet loaded
2231 Event->timer (
2232 after => 10, 3302 after => 0,
3303 data => WF_AUTOCANCEL,
2233 cb => sub { 3304 cb => sub {
2234 $_[0]->w->cancel; 3305 do_reload_perl;
2235 3306 undef $RELOAD_WATCHER;
2236 # provide some exits "home"
2237 my $exit = cf::object::new "exit";
2238
2239 $exit->slaying ($EMERGENCY_POSITION->[0]);
2240 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243 $LINK_MAP->insert ($exit->clone, 19, 19);
2244 $LINK_MAP->insert ($exit->clone, 19, 20);
2245 $LINK_MAP->insert ($exit->clone, 19, 21);
2246 $LINK_MAP->insert ($exit->clone, 20, 19);
2247 $LINK_MAP->insert ($exit->clone, 20, 21);
2248 $LINK_MAP->insert ($exit->clone, 21, 19);
2249 $LINK_MAP->insert ($exit->clone, 21, 20);
2250 $LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252 $exit->destroy;
2253 }); 3307 },
2254 3308 );
2255 $LINK_MAP->{deny_save} = 1;
2256 $LINK_MAP->{deny_reset} = 1;
2257
2258 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259} 3309}
2260
2261register "<global>", __PACKAGE__;
2262 3310
2263register_command "reload" => sub { 3311register_command "reload" => sub {
2264 my ($who, $arg) = @_; 3312 my ($who, $arg) = @_;
2265 3313
2266 if ($who->flag (FLAG_WIZ)) { 3314 if ($who->flag (FLAG_WIZ)) {
2267 $who->message ("start of reload.");
2268 reload;
2269 $who->message ("end of reload."); 3315 $who->message ("reloading server.");
3316 async { reload_perl };
2270 } 3317 }
2271}; 3318};
2272 3319
2273unshift @INC, $LIBDIR; 3320unshift @INC, $LIBDIR;
2274 3321
3322my $bug_warning = 0;
3323
3324our @WAIT_FOR_TICK;
3325our @WAIT_FOR_TICK_BEGIN;
3326
3327sub wait_for_tick {
3328 return unless $TICK_WATCHER->is_active;
3329 return if $Coro::current == $Coro::main;
3330
3331 my $signal = new Coro::Signal;
3332 push @WAIT_FOR_TICK, $signal;
3333 $signal->wait;
3334}
3335
3336sub wait_for_tick_begin {
3337 return unless $TICK_WATCHER->is_active;
3338 return if $Coro::current == $Coro::main;
3339
3340 my $signal = new Coro::Signal;
3341 push @WAIT_FOR_TICK_BEGIN, $signal;
3342 $signal->wait;
3343}
3344
3345 my $min = 1e6;#d#
3346 my $avg = 10;
2275$TICK_WATCHER = Event->timer ( 3347$TICK_WATCHER = Event->timer (
2276 reentrant => 0, 3348 reentrant => 0,
3349 parked => 1,
2277 prio => 0, 3350 prio => 0,
2278 at => $NEXT_TICK || $TICK, 3351 at => $NEXT_TICK || $TICK,
2279 data => WF_AUTOCANCEL, 3352 data => WF_AUTOCANCEL,
2280 cb => sub { 3353 cb => sub {
3354 if ($Coro::current != $Coro::main) {
3355 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3356 unless ++$bug_warning > 10;
3357 return;
3358 }
3359
3360 $NOW = $tick_start = Event::time;
3361
2281 cf::server_tick; # one server iteration 3362 cf::server_tick; # one server iteration
3363
3364 0 && sync_job {#d#
3365 for(1..10) {
3366 my $t = Event::time;
3367 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3368 or die;
3369
3370 $map->width (50);
3371 $map->height (50);
3372 $map->alloc;
3373 $map->_load_objects ("/tmp/x.map", 1);
3374 my $t = Event::time - $t;
3375
3376 #next unless $t < 0.0013;#d#
3377 if ($t < $min) {
3378 $min = $t;
3379 }
3380 $avg = $avg * 0.99 + $t * 0.01;
3381 }
3382 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3383 exit 0;
3384 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3385 };
3386
2282 $RUNTIME += $TICK; 3387 $RUNTIME += $TICK;
2283 $NEXT_TICK += $TICK; 3388 $NEXT_TICK += $TICK;
2284 3389
3390 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3391 $NEXT_RUNTIME_WRITE = $NOW + 10;
3392 Coro::async_pool {
3393 write_runtime
3394 or warn "ERROR: unable to write runtime file: $!";
3395 };
3396 }
3397
3398# my $AFTER = Event::time;
3399# warn $AFTER - $NOW;#d#
3400
3401 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3402 $sig->send;
3403 }
3404 while (my $sig = shift @WAIT_FOR_TICK) {
3405 $sig->send;
3406 }
3407
3408 $NOW = Event::time;
3409
2285 # if we are delayed by four ticks or more, skip them all 3410 # if we are delayed by four ticks or more, skip them all
2286 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3411 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2287 3412
2288 $TICK_WATCHER->at ($NEXT_TICK); 3413 $TICK_WATCHER->at ($NEXT_TICK);
2289 $TICK_WATCHER->start; 3414 $TICK_WATCHER->start;
3415
3416 $LOAD = ($NOW - $tick_start) / $TICK;
3417 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3418
3419 _post_tick;
3420
3421
2290 }, 3422 },
2291); 3423);
2292 3424
3425{
2293IO::AIO::max_poll_time $TICK * 0.2; 3426 BDB::max_poll_time $TICK * 0.1;
2294 3427 $BDB_POLL_WATCHER = Event->io (
2295Event->io ( 3428 reentrant => 0,
2296 fd => IO::AIO::poll_fileno, 3429 fd => BDB::poll_fileno,
2297 poll => 'r', 3430 poll => 'r',
2298 prio => 5, 3431 prio => 0,
2299 data => WF_AUTOCANCEL,
2300 cb => \&IO::AIO::poll_cb,
2301);
2302
2303Event->timer (
2304 data => WF_AUTOCANCEL, 3432 data => WF_AUTOCANCEL,
2305 after => 0, 3433 cb => \&BDB::poll_cb,
2306 interval => 10, 3434 );
2307 cb => sub { 3435 BDB::min_parallel 8;
2308 (Coro::unblock_sub { 3436
2309 write_runtime 3437 BDB::set_sync_prepare {
2310 or warn "ERROR: unable to write runtime file: $!"; 3438 my $status;
3439 my $current = $Coro::current;
3440 (
3441 sub {
3442 $status = $!;
3443 $current->ready; undef $current;
3444 },
3445 sub {
3446 Coro::schedule while defined $current;
3447 $! = $status;
3448 },
3449 )
3450 };
3451
3452 unless ($DB_ENV) {
3453 $DB_ENV = BDB::db_env_create;
3454
3455 cf::sync_job {
3456 eval {
3457 BDB::db_env_open
3458 $DB_ENV,
3459 $BDBDIR,
3460 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3461 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3462 0666;
3463
3464 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3465
3466 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3467 $DB_ENV->set_lk_detect;
3468 };
3469
3470 cf::cleanup "db_env_open(db): $@" if $@;
2311 })->(); 3471 };
2312 }, 3472 }
2313); 3473}
3474
3475{
3476 IO::AIO::min_parallel 8;
3477
3478 undef $Coro::AIO::WATCHER;
3479 IO::AIO::max_poll_time $TICK * 0.1;
3480 $AIO_POLL_WATCHER = Event->io (
3481 reentrant => 0,
3482 data => WF_AUTOCANCEL,
3483 fd => IO::AIO::poll_fileno,
3484 poll => 'r',
3485 prio => 6,
3486 cb => \&IO::AIO::poll_cb,
3487 );
3488}
3489
3490my $_log_backtrace;
3491
3492sub _log_backtrace {
3493 my ($msg, @addr) = @_;
3494
3495 $msg =~ s/\n//;
3496
3497 # limit the # of concurrent backtraces
3498 if ($_log_backtrace < 2) {
3499 ++$_log_backtrace;
3500 async {
3501 my @bt = fork_call {
3502 @addr = map { sprintf "%x", $_ } @addr;
3503 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3504 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3505 or die "addr2line: $!";
3506
3507 my @funcs;
3508 my @res = <$fh>;
3509 chomp for @res;
3510 while (@res) {
3511 my ($func, $line) = splice @res, 0, 2, ();
3512 push @funcs, "[$func] $line";
3513 }
3514
3515 @funcs
3516 };
3517
3518 LOG llevInfo, "[ABT] $msg\n";
3519 LOG llevInfo, "[ABT] $_\n" for @bt;
3520 --$_log_backtrace;
3521 };
3522 } else {
3523 LOG llevInfo, "[ABT] $msg\n";
3524 LOG llevInfo, "[ABT] [suppressed]\n";
3525 }
3526}
3527
3528# load additional modules
3529use cf::pod;
2314 3530
2315END { cf::emergency_save } 3531END { cf::emergency_save }
2316 3532
23171 35331
2318 3534

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