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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket; 8use Socket;
9use Storable; 9use EV 1.86;
10use Event;
11use Opcode; 10use Opcode;
12use Safe; 11use Safe;
13use Safe::Hole; 12use Safe::Hole;
13use Storable ();
14 14
15use Coro 3.61 (); 15use Coro 4.32 ();
16use Coro::State; 16use Coro::State;
17use Coro::Handle; 17use Coro::Handle;
18use Coro::Event; 18use Coro::EV;
19use Coro::Timer; 19use Coro::Timer;
20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::BDB;
23use Coro::Storable; 24use Coro::Storable;
25use Coro::Util ();
24 26
27use JSON::XS 2.01 ();
25use BDB (); 28use BDB ();
26use Data::Dumper; 29use Data::Dumper;
27use Digest::MD5; 30use Digest::MD5;
28use Fcntl; 31use Fcntl;
29use YAML::Syck (); 32use YAML ();
30use IO::AIO 2.32 (); 33use IO::AIO 2.51 ();
31use Time::HiRes; 34use Time::HiRes;
32use Compress::LZF; 35use Compress::LZF;
36use Digest::MD5 ();
33 37
34# configure various modules to our taste 38# configure various modules to our taste
35# 39#
36$Storable::canonical = 1; # reduce rsync transfers 40$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 41Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 42Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 43
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 44$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 45
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 46sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 47
49our %COMMAND = (); 48our %COMMAND = ();
50our %COMMAND_TIME = (); 49our %COMMAND_TIME = ();
51 50
52our @EXTS = (); # list of extension package names 51our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 52our %EXTCMD = ();
53our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
56 56
57our $RELOAD; # number of reloads so far 57our $RELOAD; # number of reloads so far
58our @EVENT; 58our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 66our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 69our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 70our $BDBDIR = "$LOCALDIR/db";
71our %RESOURCE;
71 72
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 73our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER; 74our $TICK_WATCHER;
74our $AIO_POLL_WATCHER; 75our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 76our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 77our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 78our $USE_FSYNC = 1; # use fsync to write maps - default off
79 79
80our $BDB_POLL_WATCHER; 80our $BDB_POLL_WATCHER;
81our $BDB_DEADLOCK_WATCHER;
82our $BDB_CHECKPOINT_WATCHER;
83our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 84our $DB_ENV;
82 85
83our %CFG; 86our %CFG;
84 87
85our $UPTIME; $UPTIME ||= time; 88our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 89our $RUNTIME;
90our $NOW;
87 91
88our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
91 95
92# used to convert map paths into valid unix filenames by replacing / by ∕ 96# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 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
94 102
95binmode STDOUT; 103binmode STDOUT;
96binmode STDERR; 104binmode STDERR;
97 105
98# read virtual server time, if available 106# read virtual server time, if available
139 147
140=item $cf::TICK 148=item $cf::TICK
141 149
142The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
143 151
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.
161
144=item %cf::CFG 162=item %cf::CFG
145 163
146Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 165from wherever your confdir points to.
148 166
149=item cf::wait_for_tick, cf::wait_for_tick_begin 167=item cf::wait_for_tick, cf::wait_for_tick_begin
150 168
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 170returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 172
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.
178
155=back 179=back
156 180
157=cut 181=cut
158 182
159BEGIN { 183BEGIN {
163 $msg .= "\n" 187 $msg .= "\n"
164 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
165 189
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167 191
168 utf8::encode $msg;
169 LOG llevError, $msg; 192 LOG llevError, $msg;
170 }; 193 };
171} 194}
195
196$Coro::State::DIEHOOK = sub {
197 return unless $^S eq 0; # "eq", not "=="
198
199 if ($Coro::current == $Coro::main) {#d#
200 warn "DIEHOOK called in main context, Coro bug?\n";#d#
201 return;#d#
202 }#d#
203
204 # kill coroutine otherwise
205 warn Carp::longmess $_[0];
206 Coro::terminate
207};
208
209$SIG{__DIE__} = sub { }; #d#?
172 210
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 211@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 212@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 213@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 214@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 215@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
216@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 217@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 218
180# we bless all objects into (empty) derived classes to force a method lookup 219# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 220# within the Safe compartment.
182for my $pkg (qw( 221for my $pkg (qw(
183 cf::global cf::attachable 222 cf::global cf::attachable
188)) { 227)) {
189 no strict 'refs'; 228 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 229 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 230}
192 231
193$Event::DIED = sub { 232$EV::DIED = sub {
194 warn "error in event callback: @_"; 233 warn "error in event callback: @_";
195}; 234};
235
236#############################################################################
196 237
197=head2 UTILITY FUNCTIONS 238=head2 UTILITY FUNCTIONS
198 239
199=over 4 240=over 4
200 241
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 260 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 261 $d
221 } || "[unable to dump $_[0]: '$@']"; 262 } || "[unable to dump $_[0]: '$@']";
222} 263}
223 264
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 265=item $ref = cf::decode_json $json
227 266
228Converts a JSON string into the corresponding perl data structure. 267Converts a JSON string into the corresponding perl data structure.
229 268
230=item $json = cf::to_json $ref 269=item $json = cf::encode_json $ref
231 270
232Converts a perl data structure into its JSON representation. 271Converts a perl data structure into its JSON representation.
272
273=cut
274
275our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
276
277sub encode_json($) { $json_coder->encode ($_[0]) }
278sub decode_json($) { $json_coder->decode ($_[0]) }
233 279
234=item cf::lock_wait $string 280=item cf::lock_wait $string
235 281
236Wait until the given lock is available. See cf::lock_acquire. 282Wait until the given lock is available. See cf::lock_acquire.
237 283
240Wait until the given lock is available and then acquires it and returns 286Wait until the given lock is available and then acquires it and returns
241a Coro::guard object. If the guard object gets destroyed (goes out of scope, 287a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 288for example when the coroutine gets canceled), the lock is automatically
243returned. 289returned.
244 290
291Locks are *not* recursive, locking from the same coro twice results in a
292deadlocked coro.
293
245Lock names should begin with a unique identifier (for example, cf::map::find 294Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 295uses map_find and cf::map::load uses map_load).
247 296
248=item $locked = cf::lock_active $string 297=item $locked = cf::lock_active $string
249 298
250Return true if the lock is currently active, i.e. somebody has locked it. 299Return true if the lock is currently active, i.e. somebody has locked it.
251 300
252=cut 301=cut
253 302
254our %LOCK; 303our %LOCK;
304our %LOCKER;#d#
255 305
256sub lock_wait($) { 306sub lock_wait($) {
257 my ($key) = @_; 307 my ($key) = @_;
308
309 if ($LOCKER{$key} == $Coro::current) {#d#
310 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
311 return;#d#
312 }#d#
258 313
259 # wait for lock, if any 314 # wait for lock, if any
260 while ($LOCK{$key}) { 315 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current; 316 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule; 317 Coro::schedule;
268 323
269 # wait, to be sure we are not locked 324 # wait, to be sure we are not locked
270 lock_wait $key; 325 lock_wait $key;
271 326
272 $LOCK{$key} = []; 327 $LOCK{$key} = [];
328 $LOCKER{$key} = $Coro::current;#d#
273 329
274 Coro::guard { 330 Coro::guard {
331 delete $LOCKER{$key};#d#
275 # wake up all waiters, to be on the safe side 332 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} }; 333 $_->ready for @{ delete $LOCK{$key} };
277 } 334 }
278} 335}
279 336
291 }; 348 };
292 $TICK_WATCHER->stop; 349 $TICK_WATCHER->stop;
293 $guard 350 $guard
294} 351}
295 352
353=item cf::periodic $interval, $cb
354
355Like EV::periodic, but randomly selects a starting point so that the actions
356get spread over timer.
357
358=cut
359
360sub periodic($$) {
361 my ($interval, $cb) = @_;
362
363 my $start = rand List::Util::min 180, $interval;
364
365 EV::periodic $start, $interval, 0, $cb
366}
367
368=item cf::get_slot $time[, $priority[, $name]]
369
370Allocate $time seconds of blocking CPU time at priority C<$priority>:
371This call blocks and returns only when you have at least C<$time> seconds
372of cpu time till the next tick. The slot is only valid till the next cede.
373
374The optional C<$name> can be used to identify the job to run. It might be
375used for statistical purposes and should identify the same time-class.
376
377Useful for short background jobs.
378
379=cut
380
381our @SLOT_QUEUE;
382our $SLOT_QUEUE;
383
384$SLOT_QUEUE->cancel if $SLOT_QUEUE;
385$SLOT_QUEUE = Coro::async {
386 $Coro::current->desc ("timeslot manager");
387
388 my $signal = new Coro::Signal;
389
390 while () {
391 next_job:
392 my $avail = cf::till_tick;
393 if ($avail > 0.01) {
394 for (0 .. $#SLOT_QUEUE) {
395 if ($SLOT_QUEUE[$_][0] < $avail) {
396 my $job = splice @SLOT_QUEUE, $_, 1, ();
397 $job->[2]->send;
398 Coro::cede;
399 goto next_job;
400 }
401 }
402 }
403
404 if (@SLOT_QUEUE) {
405 # we do not use wait_for_tick() as it returns immediately when tick is inactive
406 push @cf::WAIT_FOR_TICK, $signal;
407 $signal->wait;
408 } else {
409 Coro::schedule;
410 }
411 }
412};
413
414sub get_slot($;$$) {
415 my ($time, $pri, $name) = @_;
416
417 $time = $TICK * .6 if $time > $TICK * .6;
418 my $sig = new Coro::Signal;
419
420 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
421 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
422 $SLOT_QUEUE->ready;
423 $sig->wait;
424}
425
296=item cf::async { BLOCK } 426=item cf::async { BLOCK }
297 427
298Currently the same as Coro::async_pool, meaning you cannot use 428Currently the same as Coro::async_pool, meaning you cannot use
299C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 429C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300thing you are allowed to do is call C<prio> on it. 430thing you are allowed to do is call C<prio> on it.
303 433
304BEGIN { *async = \&Coro::async_pool } 434BEGIN { *async = \&Coro::async_pool }
305 435
306=item cf::sync_job { BLOCK } 436=item cf::sync_job { BLOCK }
307 437
308The design of crossfire+ requires that the main coro ($Coro::main) is 438The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 439is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 440partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
441acceptable.
311 442
312If it must be done, put the blocking parts into C<sync_job>. This will run 443If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 444the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 445server will be frozen during this time, so the block should either finish
315fast or be very important. 446fast or be very important.
318 449
319sub sync_job(&) { 450sub sync_job(&) {
320 my ($job) = @_; 451 my ($job) = @_;
321 452
322 if ($Coro::current == $Coro::main) { 453 if ($Coro::current == $Coro::main) {
454 my $time = EV::time;
455
323 # this is the main coro, too bad, we have to block 456 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 457 # till the operation succeeds, freezing the server :/
325 458
459 LOG llevError, Carp::longmess "sync job";#d#
460
326 # TODO: use suspend/resume instead 461 # TODO: use suspend/resume instead
327 # (but this is cancel-safe) 462 # (but this is cancel-safe)
328 my $freeze_guard = freeze_mainloop; 463 my $freeze_guard = freeze_mainloop;
329 464
330 my $busy = 1; 465 my $busy = 1;
331 my @res; 466 my @res;
332 467
333 (async { 468 (async {
469 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 470 @res = eval { $job->() };
335 warn $@ if $@; 471 warn $@ if $@;
336 undef $busy; 472 undef $busy;
337 })->prio (Coro::PRIO_MAX); 473 })->prio (Coro::PRIO_MAX);
338 474
339 while ($busy) { 475 while ($busy) {
340 Coro::cede or Event::one_event; 476 if (Coro::nready) {
477 Coro::cede_notself;
478 } else {
479 EV::loop EV::LOOP_ONESHOT;
341 } 480 }
481 }
482
483 $time = EV::time - $time;
484
485 LOG llevError | logBacktrace, Carp::longmess "long sync job"
486 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
487
488 $tick_start += $time; # do not account sync jobs to server load
342 489
343 wantarray ? @res : $res[0] 490 wantarray ? @res : $res[0]
344 } else { 491 } else {
345 # we are in another coroutine, how wonderful, everything just works 492 # we are in another coroutine, how wonderful, everything just works
346 493
366 $EXT_CORO{$coro+0} = $coro; 513 $EXT_CORO{$coro+0} = $coro;
367 514
368 $coro 515 $coro
369} 516}
370 517
371sub write_runtime { 518=item fork_call { }, $args
372 my $runtime = "$LOCALDIR/runtime";
373 519
374 # first touch the runtime file to show we are still running: 520Executes the given code block with the given arguments in a seperate
375 # the fsync below can take a very very long time. 521process, returning the results. Everything must be serialisable with
522Coro::Storable. May, of course, block. Note that the executed sub may
523never block itself or use any form of event handling.
376 524
377 warn "touching runtime...\n";#d# 525=cut
378 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 526
379 utime undef, undef, $fh; 527sub fork_call(&@) {
528 my ($cb, @args) = @_;
529
530 # we seemingly have to make a local copy of the whole thing,
531 # otherwise perl prematurely frees the stuff :/
532 # TODO: investigate and fix (likely this will be rather laborious)
533
534 my @res = Coro::Util::fork_eval {
535 reset_signals;
536 &$cb
537 }, @args;
538
539 wantarray ? @res : $res[-1]
540}
541
542=item $value = cf::db_get $family => $key
543
544Returns a single value from the environment database.
545
546=item cf::db_put $family => $key => $value
547
548Stores the given C<$value> in the family. It can currently store binary
549data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
550
551=item $db = cf::db_table "name"
552
553Create and/or open a new database table. The string must not be "db" and must be unique
554within each server.
555
556=cut
557
558sub db_table($) {
559 my ($name) = @_;
560 my $db = BDB::db_create $DB_ENV;
561
562 eval {
563 $db->set_flags (BDB::CHKSUM);
564
565 utf8::encode $name;
566 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
567 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
568 cf::cleanup "db_open(db): $!" if $!;
380 } 569 };
570 cf::cleanup "db_open(db): $@" if $@;
381 571
382 my $guard = cf::lock_acquire "write_runtime"; 572 $db
573}
383 574
384 warn "starting to write runtime...\n";#d# 575our $DB;
385 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386 or return;
387 576
388 my $value = $cf::RUNTIME + 90 + 10; 577sub db_init {
389 # 10 is the runtime save interval, for a monotonic clock 578 cf::sync_job {
390 # 60 allows for the watchdog to kill the server. 579 $DB ||= db_table "db";
580 };
581}
391 582
392 (aio_write $fh, 0, (length $value), $value, 0) <= 0 583sub db_get($$) {
393 and return; 584 my $key = "$_[0]/$_[1]";
394 585
395 # always fsync - this file is important 586 cf::sync_job {
396 aio_fsync $fh 587 BDB::db_get $DB, undef, $key, my $data;
397 and return;
398 588
399 # touch it again to show we are up-to-date 589 $! ? ()
400 utime undef, undef, $fh; 590 : $data
401
402 close $fh
403 or return;
404
405 aio_rename "$runtime~", $runtime
406 and return;
407
408 warn "... done writing runtime.\n";#d#
409
410 1 591 }
592}
593
594sub db_put($$$) {
595 BDB::dbreq_pri 4;
596 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
597}
598
599=item cf::cache $id => [$paths...], $processversion => $process
600
601Generic caching function that returns the value of the resource $id,
602caching and regenerating as required.
603
604This function can block.
605
606=cut
607
608sub cache {
609 my ($id, $src, $processversion, $process) = @_;
610
611 my $meta =
612 join "\x00",
613 $processversion,
614 map {
615 aio_stat $_
616 and Carp::croak "$_: $!";
617
618 ($_, (stat _)[7,9])
619 } @$src;
620
621 my $dbmeta = db_get cache => "$id/meta";
622 if ($dbmeta ne $meta) {
623 # changed, we may need to process
624
625 my @data;
626 my $md5;
627
628 for (0 .. $#$src) {
629 0 <= aio_load $src->[$_], $data[$_]
630 or Carp::croak "$src->[$_]: $!";
631 }
632
633 # if processing is expensive, check
634 # checksum first
635 if (1) {
636 $md5 =
637 join "\x00",
638 $processversion,
639 map {
640 cf::cede_to_tick;
641 ($src->[$_], Digest::MD5::md5_hex $data[$_])
642 } 0.. $#$src;
643
644
645 my $dbmd5 = db_get cache => "$id/md5";
646 if ($dbmd5 eq $md5) {
647 db_put cache => "$id/meta", $meta;
648
649 return db_get cache => "$id/data";
650 }
651 }
652
653 my $t1 = Time::HiRes::time;
654 my $data = $process->(\@data);
655 my $t2 = Time::HiRes::time;
656
657 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
658
659 db_put cache => "$id/data", $data;
660 db_put cache => "$id/md5" , $md5;
661 db_put cache => "$id/meta", $meta;
662
663 return $data;
664 }
665
666 db_get cache => "$id/data"
411} 667}
412 668
413=item cf::datalog type => key => value, ... 669=item cf::datalog type => key => value, ...
414 670
415Log a datalog packet of the given type with the given key-value pairs. 671Log a datalog packet of the given type with the given key-value pairs.
433attach callbacks/event handlers (a collection of which is called an "attachment") 689attach callbacks/event handlers (a collection of which is called an "attachment")
434to it. All such attachable objects support the following methods. 690to it. All such attachable objects support the following methods.
435 691
436In the following description, CLASS can be any of C<global>, C<object> 692In the following description, CLASS can be any of C<global>, C<object>
437C<player>, C<client> or C<map> (i.e. the attachable objects in 693C<player>, C<client> or C<map> (i.e. the attachable objects in
438crossfire+). 694Deliantra).
439 695
440=over 4 696=over 4
441 697
442=item $attachable->attach ($attachment, key => $value...) 698=item $attachable->attach ($attachment, key => $value...)
443 699
606 $registry = $CB_TYPE[$object_type] ||= []; 862 $registry = $CB_TYPE[$object_type] ||= [];
607 863
608 } elsif ($type eq "subtype") { 864 } elsif ($type eq "subtype") {
609 defined $object_type or Carp::croak "subtype specified without type"; 865 defined $object_type or Carp::croak "subtype specified without type";
610 my $object_subtype = shift @arg; 866 my $object_subtype = shift @arg;
611 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 867 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612 868
613 } elsif ($type eq "package") { 869 } elsif ($type eq "package") {
614 my $pkg = shift @arg; 870 my $pkg = shift @arg;
615 871
616 while (my ($name, $id) = each %cb_id) { 872 while (my ($name, $id) = each %cb_id) {
645 _attach $registry, $klass, @attach; 901 _attach $registry, $klass, @attach;
646 } 902 }
647 903
648 $obj->{$name} = \%arg; 904 $obj->{$name} = \%arg;
649 } else { 905 } else {
650 warn "object uses attachment '$name' that is not available, postponing.\n"; 906 warn "object uses attachment '$name' which is not available, postponing.\n";
651 } 907 }
652 908
653 $obj->{_attachment}{$name} = undef; 909 $obj->{_attachment}{$name} = undef;
654} 910}
655 911
657 if (ref $_[0]) { 913 if (ref $_[0]) {
658 _object_attach @_; 914 _object_attach @_;
659 } else { 915 } else {
660 _attach shift->_attach_registry, @_; 916 _attach shift->_attach_registry, @_;
661 } 917 }
918 _recalc_want;
662}; 919};
663 920
664# all those should be optimised 921# all those should be optimised
665sub cf::attachable::detach { 922sub cf::attachable::detach {
666 my ($obj, $name) = @_; 923 my ($obj, $name) = @_;
669 delete $obj->{_attachment}{$name}; 926 delete $obj->{_attachment}{$name};
670 reattach ($obj); 927 reattach ($obj);
671 } else { 928 } else {
672 Carp::croak "cannot, currently, detach class attachments"; 929 Carp::croak "cannot, currently, detach class attachments";
673 } 930 }
931 _recalc_want;
674}; 932};
675 933
676sub cf::attachable::attached { 934sub cf::attachable::attached {
677 my ($obj, $name) = @_; 935 my ($obj, $name) = @_;
678 936
693 "; 951 ";
694 die if $@; 952 die if $@;
695} 953}
696 954
697our $override; 955our $override;
698our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 956our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699 957
700sub override { 958sub override {
701 $override = 1; 959 $override = 1;
702 @invoke_results = (); 960 @INVOKE_RESULTS = (@_);
703} 961}
704 962
705sub do_invoke { 963sub do_invoke {
706 my $event = shift; 964 my $event = shift;
707 my $callbacks = shift; 965 my $callbacks = shift;
708 966
709 @invoke_results = (); 967 @INVOKE_RESULTS = ();
710 968
711 local $override; 969 local $override;
712 970
713 for (@$callbacks) { 971 for (@$callbacks) {
714 eval { &{$_->[1]} }; 972 eval { &{$_->[1]} };
723 } 981 }
724 982
725 0 983 0
726} 984}
727 985
728=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 986=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729 987
730=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 988=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731 989
732Generate an object-specific event with the given arguments. 990Generate an object-specific event with the given arguments.
733 991
734This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 992This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735removed in future versions), and there is no public API to access override 993removed in future versions), and there is no public API to access override
736results (if you must, access C<@cf::invoke_results> directly). 994results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737 995
738=back 996=back
739 997
740=cut 998=cut
741 999
742############################################################################# 1000#############################################################################
743# object support 1001# object support
1002
1003sub _object_equal($$);
1004sub _object_equal($$) {
1005 my ($a, $b) = @_;
1006
1007 return 0 unless (ref $a) eq (ref $b);
1008
1009 if ("HASH" eq ref $a) {
1010 my @ka = keys %$a;
1011 my @kb = keys %$b;
1012
1013 return 0 if @ka != @kb;
1014
1015 for (0 .. $#ka) {
1016 return 0 unless $ka[$_] eq $kb[$_];
1017 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1018 }
1019
1020 } elsif ("ARRAY" eq ref $a) {
1021
1022 return 0 if @$a != @$b;
1023
1024 for (0 .. $#$a) {
1025 return 0 unless _object_equal $a->[$_], $b->[$_];
1026 }
1027
1028 } elsif ($a ne $b) {
1029 return 0;
1030 }
1031
1032 1
1033}
1034
1035our $SLOW_MERGES;#d#
1036sub _can_merge {
1037 my ($ob1, $ob2) = @_;
1038
1039 ++$SLOW_MERGES;#d#
1040
1041 # we do the slow way here
1042 return _object_equal $ob1, $ob2
1043}
744 1044
745sub reattach { 1045sub reattach {
746 # basically do the same as instantiate, without calling instantiate 1046 # basically do the same as instantiate, without calling instantiate
747 my ($obj) = @_; 1047 my ($obj) = @_;
748 1048
769cf::attachable->attach ( 1069cf::attachable->attach (
770 prio => -1000000, 1070 prio => -1000000,
771 on_instantiate => sub { 1071 on_instantiate => sub {
772 my ($obj, $data) = @_; 1072 my ($obj, $data) = @_;
773 1073
774 $data = from_json $data; 1074 $data = decode_json $data;
775 1075
776 for (@$data) { 1076 for (@$data) {
777 my ($name, $args) = @$_; 1077 my ($name, $args) = @$_;
778 1078
779 $obj->attach ($name, %{$args || {} }); 1079 $obj->attach ($name, %{$args || {} });
795sub object_freezer_save { 1095sub object_freezer_save {
796 my ($filename, $rdata, $objs) = @_; 1096 my ($filename, $rdata, $objs) = @_;
797 1097
798 sync_job { 1098 sync_job {
799 if (length $$rdata) { 1099 if (length $$rdata) {
1100 utf8::decode (my $decname = $filename);
800 warn sprintf "saving %s (%d,%d)\n", 1101 warn sprintf "saving %s (%d,%d)\n",
801 $filename, length $$rdata, scalar @$objs; 1102 $decname, length $$rdata, scalar @$objs;
802 1103
803 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1104 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804 chmod SAVE_MODE, $fh; 1105 chmod SAVE_MODE, $fh;
805 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1106 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806 aio_fsync $fh if $cf::USE_FSYNC; 1107 aio_fsync $fh if $cf::USE_FSYNC;
807 close $fh; 1108 close $fh;
808 1109
809 if (@$objs) { 1110 if (@$objs) {
810 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1111 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811 chmod SAVE_MODE, $fh; 1112 chmod SAVE_MODE, $fh;
812 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1113 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813 aio_write $fh, 0, (length $data), $data, 0; 1114 aio_write $fh, 0, (length $data), $data, 0;
814 aio_fsync $fh if $cf::USE_FSYNC; 1115 aio_fsync $fh if $cf::USE_FSYNC;
815 close $fh; 1116 close $fh;
816 aio_rename "$filename.pst~", "$filename.pst"; 1117 aio_rename "$filename.pst~", "$filename.pst";
817 } 1118 }
825 } 1126 }
826 } else { 1127 } else {
827 aio_unlink $filename; 1128 aio_unlink $filename;
828 aio_unlink "$filename.pst"; 1129 aio_unlink "$filename.pst";
829 } 1130 }
830 } 1131 };
831} 1132}
832 1133
833sub object_freezer_as_string { 1134sub object_freezer_as_string {
834 my ($rdata, $objs) = @_; 1135 my ($rdata, $objs) = @_;
835 1136
847 or return; 1148 or return;
848 1149
849 unless (aio_stat "$filename.pst") { 1150 unless (aio_stat "$filename.pst") {
850 (aio_load "$filename.pst", $av) >= 0 1151 (aio_load "$filename.pst", $av) >= 0
851 or return; 1152 or return;
1153
852 $av = eval { (Storable::thaw $av)->{objs} }; 1154 my $st = eval { Coro::Storable::thaw $av };
1155 $av = $st->{objs};
853 } 1156 }
854 1157
1158 utf8::decode (my $decname = $filename);
855 warn sprintf "loading %s (%d)\n", 1159 warn sprintf "loading %s (%d,%d)\n",
856 $filename, length $data, scalar @{$av || []};#d# 1160 $decname, length $data, scalar @{$av || []};
1161
857 return ($data, $av); 1162 ($data, $av)
858} 1163}
1164
1165=head2 COMMAND CALLBACKS
1166
1167=over 4
1168
1169=cut
859 1170
860############################################################################# 1171#############################################################################
861# command handling &c 1172# command handling &c
862 1173
863=item cf::register_command $name => \&callback($ob,$args); 1174=item cf::register_command $name => \&callback($ob,$args);
876 push @{ $COMMAND{$name} }, [$caller, $cb]; 1187 push @{ $COMMAND{$name} }, [$caller, $cb];
877} 1188}
878 1189
879=item cf::register_extcmd $name => \&callback($pl,$packet); 1190=item cf::register_extcmd $name => \&callback($pl,$packet);
880 1191
881Register a callbackf ro execution when the client sends an extcmd packet. 1192Register a callback for execution when the client sends an (synchronous)
1193extcmd packet. Ext commands will be processed in the order they are
1194received by the server, like other user commands. The first argument is
1195the logged-in player. Ext commands can only be processed after a player
1196has logged in successfully.
882 1197
883If the callback returns something, it is sent back as if reply was being 1198If the callback returns something, it is sent back as if reply was being
884called. 1199called.
885 1200
1201=item cf::register_exticmd $name => \&callback($ns,$packet);
1202
1203Register a callback for execution when the client sends an (asynchronous)
1204exticmd packet. Exti commands are processed by the server as soon as they
1205are received, i.e. out of order w.r.t. other commands. The first argument
1206is a client socket. Exti commands can be received anytime, even before
1207log-in.
1208
1209If the callback returns something, it is sent back as if reply was being
1210called.
1211
886=cut 1212=cut
887 1213
888sub register_extcmd { 1214sub register_extcmd {
889 my ($name, $cb) = @_; 1215 my ($name, $cb) = @_;
890 1216
891 $EXTCMD{$name} = $cb; 1217 $EXTCMD{$name} = $cb;
1218}
1219
1220sub register_exticmd {
1221 my ($name, $cb) = @_;
1222
1223 $EXTICMD{$name} = $cb;
892} 1224}
893 1225
894cf::player->attach ( 1226cf::player->attach (
895 on_command => sub { 1227 on_command => sub {
896 my ($pl, $name, $params) = @_; 1228 my ($pl, $name, $params) = @_;
905 cf::override; 1237 cf::override;
906 }, 1238 },
907 on_extcmd => sub { 1239 on_extcmd => sub {
908 my ($pl, $buf) = @_; 1240 my ($pl, $buf) = @_;
909 1241
910 my $msg = eval { from_json $buf }; 1242 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911 1243
912 if (ref $msg) { 1244 if (ref $msg) {
1245 my ($type, $reply, @payload) =
1246 "ARRAY" eq ref $msg
1247 ? @$msg
1248 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1249
1250 my @reply;
1251
913 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1252 if (my $cb = $EXTCMD{$type}) {
914 if (my %reply = $cb->($pl, $msg)) { 1253 @reply = $cb->($pl, @payload);
915 $pl->ext_reply ($msg->{msgid}, %reply);
916 }
917 } 1254 }
1255
1256 $pl->ext_reply ($reply, @reply)
1257 if $reply;
1258
918 } else { 1259 } else {
919 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1260 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920 } 1261 }
921 1262
922 cf::override; 1263 cf::override;
923 }, 1264 },
924); 1265);
925 1266
926sub load_extension {
927 my ($path) = @_;
928
929 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
930 my $base = $1;
931 my $pkg = $1;
932 $pkg =~ s/[^[:word:]]/_/g;
933 $pkg = "ext::$pkg";
934
935 warn "... loading '$path' into '$pkg'\n";
936
937 open my $fh, "<:utf8", $path
938 or die "$path: $!";
939
940 my $source =
941 "package $pkg; use strict; use utf8;\n"
942 . "#line 1 \"$path\"\n{\n"
943 . (do { local $/; <$fh> })
944 . "\n};\n1";
945
946 unless (eval $source) {
947 my $msg = $@ ? "$path: $@\n"
948 : "extension disabled.\n";
949 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950 warn $@;
951 warn "mandatory extension failed to load, exiting.\n";
952 exit 1;
953 }
954 die $@;
955 }
956
957 push @EXTS, $pkg;
958}
959
960sub load_extensions { 1267sub load_extensions {
1268 cf::sync_job {
1269 my %todo;
1270
961 for my $ext (<$LIBDIR/*.ext>) { 1271 for my $path (<$LIBDIR/*.ext>) {
962 next unless -r $ext; 1272 next unless -r $path;
963 eval { 1273
964 load_extension $ext; 1274 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1275 my $base = $1;
1276 my $pkg = $1;
1277 $pkg =~ s/[^[:word:]]/_/g;
1278 $pkg = "ext::$pkg";
1279
1280 open my $fh, "<:utf8", $path
1281 or die "$path: $!";
1282
1283 my $source = do { local $/; <$fh> };
1284
1285 my %ext = (
1286 path => $path,
1287 base => $base,
1288 pkg => $pkg,
1289 );
1290
1291 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1292 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1293
1294 $ext{source} =
1295 "package $pkg; use strict; use utf8;\n"
1296 . "#line 1 \"$path\"\n{\n"
1297 . $source
1298 . "\n};\n1";
1299
1300 $todo{$base} = \%ext;
1301 }
1302
1303 my %done;
1304 while (%todo) {
1305 my $progress;
1306
1307 while (my ($k, $v) = each %todo) {
1308 for (split /,\s*/, $v->{meta}{depends}) {
1309 goto skip
1310 unless exists $done{$_};
1311 }
1312
1313 warn "... loading '$k' into '$v->{pkg}'\n";
1314
1315 unless (eval $v->{source}) {
1316 my $msg = $@ ? "$v->{path}: $@\n"
1317 : "$v->{base}: extension inactive.\n";
1318
1319 if (exists $v->{meta}{mandatory}) {
1320 warn $msg;
1321 warn "mandatory extension failed to load, exiting.\n";
1322 exit 1;
1323 }
1324
1325 warn $msg;
1326 }
1327
1328 $done{$k} = delete $todo{$k};
1329 push @EXTS, $v->{pkg};
1330 $progress = 1;
965 1 1331 }
966 } or warn "$ext not loaded: $@"; 1332
1333 skip:
1334 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1335 unless $progress;
1336 }
967 } 1337 };
968} 1338}
969 1339
970############################################################################# 1340#############################################################################
971 1341
1342=back
1343
972=head2 CORE EXTENSIONS 1344=head2 CORE EXTENSIONS
973 1345
974Functions and methods that extend core crossfire objects. 1346Functions and methods that extend core crossfire objects.
975 1347
976=cut 1348=cut
980use Coro::AIO; 1352use Coro::AIO;
981 1353
982=head3 cf::player 1354=head3 cf::player
983 1355
984=over 4 1356=over 4
1357
1358=item cf::player::num_playing
1359
1360Returns the official number of playing players, as per the Crossfire metaserver rules.
1361
1362=cut
1363
1364sub num_playing {
1365 scalar grep
1366 $_->ob->map
1367 && !$_->hidden
1368 && !$_->ob->flag (cf::FLAG_WIZ),
1369 cf::player::list
1370}
985 1371
986=item cf::player::find $login 1372=item cf::player::find $login
987 1373
988Returns the given player object, loading it if necessary (might block). 1374Returns the given player object, loading it if necessary (might block).
989 1375
1025 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1411 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1412 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1413 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028 aio_unlink +(playerdir $login) . "/$login.pl"; 1414 aio_unlink +(playerdir $login) . "/$login.pl";
1029 1415
1030 my $pl = load_pl path $login 1416 my $f = new_from_file cf::object::thawer path $login
1031 or return; 1417 or return;
1418
1419 my $pl = cf::player::load_pl $f
1420 or return;
1421 local $cf::PLAYER_LOADING{$login} = $pl;
1422 $f->resolve_delayed_derefs;
1032 $cf::PLAYER{$login} = $pl 1423 $cf::PLAYER{$login} = $pl
1033 } 1424 }
1034 } 1425 }
1035} 1426}
1036 1427
1046 1437
1047 aio_mkdir playerdir $pl, 0770; 1438 aio_mkdir playerdir $pl, 0770;
1048 $pl->{last_save} = $cf::RUNTIME; 1439 $pl->{last_save} = $cf::RUNTIME;
1049 1440
1050 $pl->save_pl ($path); 1441 $pl->save_pl ($path);
1051 Coro::cede; 1442 cf::cede_to_tick;
1052} 1443}
1053 1444
1054sub new($) { 1445sub new($) {
1055 my ($login) = @_; 1446 my ($login) = @_;
1056 1447
1060 $self->{deny_save} = 1; 1451 $self->{deny_save} = 1;
1061 1452
1062 $cf::PLAYER{$login} = $self; 1453 $cf::PLAYER{$login} = $self;
1063 1454
1064 $self 1455 $self
1456}
1457
1458=item $player->send_msg ($channel, $msg, $color, [extra...])
1459
1460=cut
1461
1462sub send_msg {
1463 my $ns = shift->ns
1464 or return;
1465 $ns->send_msg (@_);
1065} 1466}
1066 1467
1067=item $pl->quit_character 1468=item $pl->quit_character
1068 1469
1069Nukes the player without looking back. If logged in, the connection will 1470Nukes the player without looking back. If logged in, the connection will
1124 or return []; 1525 or return [];
1125 1526
1126 my @logins; 1527 my @logins;
1127 1528
1128 for my $login (@$dirs) { 1529 for my $login (@$dirs) {
1530 my $path = path $login;
1531
1532 # a .pst is a dead give-away for a valid player
1533 unless (-e "$path.pst") {
1129 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1534 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130 aio_read $fh, 0, 512, my $buf, 0 or next; 1535 aio_read $fh, 0, 512, my $buf, 0 or next;
1131 $buf !~ /^password -------------$/m or next; # official not-valid tag 1536 $buf !~ /^password -------------$/m or next; # official not-valid tag
1537 }
1132 1538
1133 utf8::decode $login; 1539 utf8::decode $login;
1134 push @logins, $login; 1540 push @logins, $login;
1135 } 1541 }
1136 1542
1163 } 1569 }
1164 1570
1165 \@paths 1571 \@paths
1166} 1572}
1167 1573
1574=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1575
1576Expand crossfire pod fragments into protocol xml.
1577
1578=cut
1579
1580use re 'eval';
1581
1582my $group;
1583my $interior; $interior = qr{
1584 # match a pod interior sequence sans C<< >>
1585 (?:
1586 \ (.*?)\ (?{ $group = $^N })
1587 | < (??{$interior}) >
1588 )
1589}x;
1590
1591sub expand_cfpod {
1592 my ($self, $pod) = @_;
1593
1594 my $xml;
1595
1596 while () {
1597 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1598 $group = $1;
1599
1600 $group =~ s/&/&amp;/g;
1601 $group =~ s/</&lt;/g;
1602
1603 $xml .= $group;
1604 } elsif ($pod =~ m%\G
1605 ([BCGHITU])
1606 <
1607 (?:
1608 ([^<>]*) (?{ $group = $^N })
1609 | < $interior >
1610 )
1611 >
1612 %gcsx
1613 ) {
1614 my ($code, $data) = ($1, $group);
1615
1616 if ($code eq "B") {
1617 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1618 } elsif ($code eq "I") {
1619 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1620 } elsif ($code eq "U") {
1621 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1622 } elsif ($code eq "C") {
1623 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1624 } elsif ($code eq "T") {
1625 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1626 } elsif ($code eq "G") {
1627 my ($male, $female) = split /\|/, $data;
1628 $data = $self->gender ? $female : $male;
1629 $xml .= expand_cfpod ($self, $data);
1630 } elsif ($code eq "H") {
1631 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1632 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1633 "")
1634 [$self->{hintmode}];
1635 } else {
1636 $xml .= "error processing '$code($data)' directive";
1637 }
1638 } else {
1639 if ($pod =~ /\G(.+)/) {
1640 warn "parse error while expanding $pod (at $1)";
1641 }
1642 last;
1643 }
1644 }
1645
1646 for ($xml) {
1647 # create single paragraphs (very hackish)
1648 s/(?<=\S)\n(?=\w)/ /g;
1649
1650 # compress some whitespace
1651 s/\s+\n/\n/g; # ws line-ends
1652 s/\n\n+/\n/g; # double lines
1653 s/^\n+//; # beginning lines
1654 s/\n+$//; # ending lines
1655 }
1656
1657 $xml
1658}
1659
1660no re 'eval';
1661
1662sub hintmode {
1663 $_[0]{hintmode} = $_[1] if @_ > 1;
1664 $_[0]{hintmode}
1665}
1666
1168=item $player->ext_reply ($msgid, %msg) 1667=item $player->ext_reply ($msgid, @msg)
1169 1668
1170Sends an ext reply to the player. 1669Sends an ext reply to the player.
1171 1670
1172=cut 1671=cut
1173 1672
1174sub ext_reply($$%) { 1673sub ext_reply($$@) {
1175 my ($self, $id, %msg) = @_; 1674 my ($self, $id, @msg) = @_;
1176 1675
1177 $msg{msgid} = $id; 1676 $self->ns->ext_reply ($id, @msg)
1178
1179 $self->send ("ext " . cf::to_json \%msg);
1180} 1677}
1181 1678
1182=item $player->ext_event ($type, %msg) 1679=item $player->ext_msg ($type, @msg)
1183 1680
1184Sends an ext event to the client. 1681Sends an ext event to the client.
1185 1682
1186=cut 1683=cut
1187 1684
1188sub ext_event($$%) { 1685sub ext_msg($$@) {
1189 my ($self, $type, %msg) = @_; 1686 my ($self, $type, @msg) = @_;
1190 1687
1191 $self->ns->ext_event ($type, %msg); 1688 $self->ns->ext_msg ($type, @msg);
1192} 1689}
1193 1690
1194=head3 cf::region 1691=head3 cf::region
1195 1692
1196=over 4 1693=over 4
1199 1696
1200package cf::region; 1697package cf::region;
1201 1698
1202=item cf::region::find_by_path $path 1699=item cf::region::find_by_path $path
1203 1700
1204Tries to decuce the probable region for a map knowing only its path. 1701Tries to decuce the likely region for a map knowing only its path.
1205 1702
1206=cut 1703=cut
1207 1704
1208sub find_by_path($) { 1705sub find_by_path($) {
1209 my ($path) = @_; 1706 my ($path) = @_;
1210 1707
1211 my ($match, $specificity); 1708 my ($match, $specificity);
1212 1709
1213 for my $region (list) { 1710 for my $region (list) {
1214 if ($region->match && $path =~ $region->match) { 1711 if ($region->{match} && $path =~ $region->{match}) {
1215 ($match, $specificity) = ($region, $region->specificity) 1712 ($match, $specificity) = ($region, $region->specificity)
1216 if $region->specificity > $specificity; 1713 if $region->specificity > $specificity;
1217 } 1714 }
1218 } 1715 }
1219 1716
1283 my ($self, $merge) = @_; 1780 my ($self, $merge) = @_;
1284 1781
1285 # we have to keep some variables in memory intact 1782 # we have to keep some variables in memory intact
1286 local $self->{path}; 1783 local $self->{path};
1287 local $self->{load_path}; 1784 local $self->{load_path};
1288 local $self->{deny_save};
1289 local $self->{deny_reset};
1290 1785
1291 $self->SUPER::thawer_merge ($merge); 1786 $self->SUPER::thawer_merge ($merge);
1292} 1787}
1293 1788
1294sub normalise { 1789sub normalise {
1341 $self->init; # pass $1 etc. 1836 $self->init; # pass $1 etc.
1342 return $self; 1837 return $self;
1343 } 1838 }
1344 } 1839 }
1345 1840
1346 Carp::carp "unable to resolve path '$path' (base '$base')."; 1841 Carp::cluck "unable to resolve path '$path' (base '$base').";
1347 () 1842 ()
1348} 1843}
1349 1844
1350sub init { 1845sub init {
1351 my ($self) = @_; 1846 my ($self) = @_;
1394 1889
1395 $_->change_map_light ($change) 1890 $_->change_map_light ($change)
1396 for grep $_->outdoor, values %cf::MAP; 1891 for grep $_->outdoor, values %cf::MAP;
1397} 1892}
1398 1893
1894sub decay_objects {
1895 my ($self) = @_;
1896
1897 return if $self->{deny_reset};
1898
1899 $self->do_decay_objects;
1900}
1901
1399sub unlink_save { 1902sub unlink_save {
1400 my ($self) = @_; 1903 my ($self) = @_;
1401 1904
1402 utf8::encode (my $save = $self->save_path); 1905 utf8::encode (my $save = $self->save_path);
1403 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1906 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1406 1909
1407sub load_header_from($) { 1910sub load_header_from($) {
1408 my ($self, $path) = @_; 1911 my ($self, $path) = @_;
1409 1912
1410 utf8::encode $path; 1913 utf8::encode $path;
1411 #aio_open $path, O_RDONLY, 0 1914 my $f = new_from_file cf::object::thawer $path
1412 # or return;
1413
1414 $self->_load_header ($path)
1415 or return; 1915 or return;
1916
1917 $self->_load_header ($f)
1918 or return;
1919
1920 local $MAP_LOADING{$self->{path}} = $self;
1921 $f->resolve_delayed_derefs;
1416 1922
1417 $self->{load_path} = $path; 1923 $self->{load_path} = $path;
1418 1924
1419 1 1925 1
1420} 1926}
1459 $self->load_header_orig 1965 $self->load_header_orig
1460 or return; 1966 or return;
1461 $self->prepare_orig; 1967 $self->prepare_orig;
1462 } 1968 }
1463 1969
1970 $self->{deny_reset} = 1
1971 if $self->no_reset;
1972
1464 $self->default_region (cf::region::find_by_path $self->{path}) 1973 $self->default_region (cf::region::find_by_path $self->{path})
1465 unless $self->default_region; 1974 unless $self->default_region;
1466 1975
1467 1 1976 1
1468} 1977}
1471sub find { 1980sub find {
1472 my ($path, $origin) = @_; 1981 my ($path, $origin) = @_;
1473 1982
1474 $path = normalise $path, $origin && $origin->path; 1983 $path = normalise $path, $origin && $origin->path;
1475 1984
1985 cf::lock_wait "map_data:$path";#d#remove
1476 cf::lock_wait "map_find:$path"; 1986 cf::lock_wait "map_find:$path";
1477 1987
1478 $cf::MAP{$path} || do { 1988 $cf::MAP{$path} || do {
1479 my $guard = cf::lock_acquire "map_find:$path"; 1989 my $guard1 = cf::lock_acquire "map_find:$path";
1990 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1991
1480 my $map = new_from_path cf::map $path 1992 my $map = new_from_path cf::map $path
1481 or return; 1993 or return;
1482 1994
1483 $map->{last_save} = $cf::RUNTIME; 1995 $map->{last_save} = $cf::RUNTIME;
1484 1996
1485 $map->load_header 1997 $map->load_header
1486 or return; 1998 or return;
1487 1999
1488 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2000 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489 # doing this can freeze the server in a sync job, obviously 2001 # doing this can freeze the server in a sync job, obviously
1490 #$cf::WAIT_FOR_TICK->wait; 2002 #$cf::WAIT_FOR_TICK->wait;
2003 undef $guard1;
2004 undef $guard2;
1491 $map->reset; 2005 $map->reset;
1492 undef $guard;
1493 return find $path; 2006 return find $path;
1494 } 2007 }
1495 2008
1496 $cf::MAP{$path} = $map 2009 $cf::MAP{$path} = $map
1497 } 2010 }
1506 local $self->{deny_reset} = 1; # loading can take a long time 2019 local $self->{deny_reset} = 1; # loading can take a long time
1507 2020
1508 my $path = $self->{path}; 2021 my $path = $self->{path};
1509 2022
1510 { 2023 {
1511 my $guard = cf::lock_acquire "map_load:$path"; 2024 my $guard = cf::lock_acquire "map_data:$path";
1512 2025
2026 return unless $self->valid;
1513 return if $self->in_memory != cf::MAP_SWAPPED; 2027 return unless $self->in_memory == cf::MAP_SWAPPED;
1514 2028
1515 $self->in_memory (cf::MAP_LOADING); 2029 $self->in_memory (cf::MAP_LOADING);
1516 2030
1517 $self->alloc; 2031 $self->alloc;
1518 2032
1519 $self->pre_load; 2033 $self->pre_load;
1520 Coro::cede; 2034 cf::cede_to_tick;
1521 2035
2036 my $f = new_from_file cf::object::thawer $self->{load_path};
2037 $f->skip_block;
1522 $self->_load_objects ($self->{load_path}, 1) 2038 $self->_load_objects ($f)
1523 or return; 2039 or return;
1524 2040
1525 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2041 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526 if delete $self->{load_original}; 2042 if delete $self->{load_original};
1527 2043
1528 if (my $uniq = $self->uniq_path) { 2044 if (my $uniq = $self->uniq_path) {
1529 utf8::encode $uniq; 2045 utf8::encode $uniq;
1530 if (aio_open $uniq, O_RDONLY, 0) { 2046 unless (aio_stat $uniq) {
2047 if (my $f = new_from_file cf::object::thawer $uniq) {
1531 $self->clear_unique_items; 2048 $self->clear_unique_items;
1532 $self->_load_objects ($uniq, 0); 2049 $self->_load_objects ($f);
2050 $f->resolve_delayed_derefs;
2051 }
1533 } 2052 }
1534 } 2053 }
1535 2054
1536 Coro::cede; 2055 $f->resolve_delayed_derefs;
2056
2057 cf::cede_to_tick;
1537 # now do the right thing for maps 2058 # now do the right thing for maps
1538 $self->link_multipart_objects; 2059 $self->link_multipart_objects;
1539 $self->difficulty ($self->estimate_difficulty) 2060 $self->difficulty ($self->estimate_difficulty)
1540 unless $self->difficulty; 2061 unless $self->difficulty;
1541 Coro::cede; 2062 cf::cede_to_tick;
1542 2063
1543 unless ($self->{deny_activate}) { 2064 unless ($self->{deny_activate}) {
1544 $self->decay_objects; 2065 $self->decay_objects;
1545 $self->fix_auto_apply; 2066 $self->fix_auto_apply;
1546 $self->update_buttons; 2067 $self->update_buttons;
1547 Coro::cede; 2068 cf::cede_to_tick;
1548 $self->set_darkness_map; 2069 $self->set_darkness_map;
1549 Coro::cede; 2070 cf::cede_to_tick;
1550 $self->activate; 2071 $self->activate;
1551 } 2072 }
2073
2074 $self->{last_save} = $cf::RUNTIME;
2075 $self->last_access ($cf::RUNTIME);
1552 2076
1553 $self->in_memory (cf::MAP_IN_MEMORY); 2077 $self->in_memory (cf::MAP_IN_MEMORY);
1554 } 2078 }
1555 2079
1556 $self->post_load; 2080 $self->post_load;
1560 my ($self, $ob) = @_; 2084 my ($self, $ob) = @_;
1561 2085
1562 return find "~" . $ob->name . "/" . $self->{path} 2086 return find "~" . $ob->name . "/" . $self->{path}
1563 if $self->per_player; 2087 if $self->per_player;
1564 2088
2089# return find "?party/" . $ob->name . "/" . $self->{path}
2090# if $self->per_party;
2091
1565 $self 2092 $self
1566} 2093}
1567 2094
1568# find and load all maps in the 3x3 area around a map 2095# find and load all maps in the 3x3 area around a map
1569sub load_diag { 2096sub load_neighbours {
1570 my ($map) = @_; 2097 my ($map) = @_;
1571 2098
1572 my @diag; # diagonal neighbours 2099 my @neigh; # diagonal neighbours
1573 2100
1574 for (0 .. 3) { 2101 for (0 .. 3) {
1575 my $neigh = $map->tile_path ($_) 2102 my $neigh = $map->tile_path ($_)
1576 or next; 2103 or next;
1577 $neigh = find $neigh, $map 2104 $neigh = find $neigh, $map
1578 or next; 2105 or next;
1579 $neigh->load; 2106 $neigh->load;
1580 2107
2108 push @neigh,
1581 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2109 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1582 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2110 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1583 } 2111 }
1584 2112
1585 for (@diag) { 2113 for (grep defined $_->[0], @neigh) {
2114 my ($path, $origin) = @$_;
1586 my $neigh = find @$_ 2115 my $neigh = find $path, $origin
1587 or next; 2116 or next;
1588 $neigh->load; 2117 $neigh->load;
1589 } 2118 }
1590} 2119}
1591 2120
1596} 2125}
1597 2126
1598sub do_load_sync { 2127sub do_load_sync {
1599 my ($map) = @_; 2128 my ($map) = @_;
1600 2129
2130 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2131 if $Coro::current == $Coro::main;
2132
1601 cf::sync_job { $map->load }; 2133 cf::sync_job { $map->load };
1602} 2134}
1603 2135
1604our %MAP_PREFETCH; 2136our %MAP_PREFETCH;
1605our $MAP_PREFETCHER = undef; 2137our $MAP_PREFETCHER = undef;
1606 2138
1607sub find_async { 2139sub find_async {
1608 my ($path, $origin) = @_; 2140 my ($path, $origin, $load) = @_;
1609 2141
1610 $path = normalise $path, $origin && $origin->{path}; 2142 $path = normalise $path, $origin && $origin->{path};
1611 2143
1612 if (my $map = $cf::MAP{$path}) { 2144 if (my $map = $cf::MAP{$path}) {
1613 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2145 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614 } 2146 }
1615 2147
1616 undef $MAP_PREFETCH{$path}; 2148 $MAP_PREFETCH{$path} |= $load;
2149
1617 $MAP_PREFETCHER ||= cf::async { 2150 $MAP_PREFETCHER ||= cf::async {
2151 $Coro::current->{desc} = "map prefetcher";
2152
1618 while (%MAP_PREFETCH) { 2153 while (%MAP_PREFETCH) {
1619 for my $path (keys %MAP_PREFETCH) { 2154 while (my ($k, $v) = each %MAP_PREFETCH) {
1620 my $map = find $path 2155 if (my $map = find $k) {
1621 or next;
1622 $map->load; 2156 $map->load if $v;
2157 }
1623 2158
1624 delete $MAP_PREFETCH{$path}; 2159 delete $MAP_PREFETCH{$k};
1625 } 2160 }
1626 } 2161 }
1627 undef $MAP_PREFETCHER; 2162 undef $MAP_PREFETCHER;
1628 }; 2163 };
1629 $MAP_PREFETCHER->prio (6); 2164 $MAP_PREFETCHER->prio (6);
1632} 2167}
1633 2168
1634sub save { 2169sub save {
1635 my ($self) = @_; 2170 my ($self) = @_;
1636 2171
1637 my $lock = cf::lock_acquire "map_data:" . $self->path; 2172 my $lock = cf::lock_acquire "map_data:$self->{path}";
1638 2173
1639 $self->{last_save} = $cf::RUNTIME; 2174 $self->{last_save} = $cf::RUNTIME;
1640 2175
1641 return unless $self->dirty; 2176 return unless $self->dirty;
1642 2177
1648 return if $self->{deny_save}; 2183 return if $self->{deny_save};
1649 2184
1650 local $self->{last_access} = $self->last_access;#d# 2185 local $self->{last_access} = $self->last_access;#d#
1651 2186
1652 cf::async { 2187 cf::async {
2188 $Coro::current->{desc} = "map player save";
1653 $_->contr->save for $self->players; 2189 $_->contr->save for $self->players;
1654 }; 2190 };
1655 2191
1656 if ($uniq) { 2192 if ($uniq) {
1657 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2193 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1665 my ($self) = @_; 2201 my ($self) = @_;
1666 2202
1667 # save first because save cedes 2203 # save first because save cedes
1668 $self->save; 2204 $self->save;
1669 2205
1670 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1671 2207
1672 return if $self->players; 2208 return if $self->players;
1673 return if $self->in_memory != cf::MAP_IN_MEMORY; 2209 return if $self->in_memory != cf::MAP_IN_MEMORY;
1674 return if $self->{deny_save}; 2210 return if $self->{deny_save};
1675 2211
2212 $self->in_memory (cf::MAP_SWAPPED);
2213
2214 $self->deactivate;
2215 $_->clear_links_to ($self) for values %cf::MAP;
1676 $self->clear; 2216 $self->clear;
1677 $self->in_memory (cf::MAP_SWAPPED);
1678} 2217}
1679 2218
1680sub reset_at { 2219sub reset_at {
1681 my ($self) = @_; 2220 my ($self) = @_;
1682 2221
1683 # TODO: safety, remove and allow resettable per-player maps 2222 # TODO: safety, remove and allow resettable per-player maps
1684 return 1e99 if $self->isa ("ext::map_per_player");#d#
1685 return 1e99 if $self->{deny_reset}; 2223 return 1e99 if $self->{deny_reset};
1686 2224
1687 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2225 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2226 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689 2227
1700 my ($self) = @_; 2238 my ($self) = @_;
1701 2239
1702 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2240 my $lock = cf::lock_acquire "map_data:$self->{path}";
1703 2241
1704 return if $self->players; 2242 return if $self->players;
1705 return if $self->isa ("ext::map_per_player");#d#
1706 2243
1707 warn "resetting map ", $self->path;#d# 2244 warn "resetting map ", $self->path;
1708 2245
1709 $self->in_memory (cf::MAP_SWAPPED); 2246 $self->in_memory (cf::MAP_SWAPPED);
1710 2247
1711 # need to save uniques path 2248 # need to save uniques path
1712 unless ($self->{deny_save}) { 2249 unless ($self->{deny_save}) {
1716 if $uniq; 2253 if $uniq;
1717 } 2254 }
1718 2255
1719 delete $cf::MAP{$self->path}; 2256 delete $cf::MAP{$self->path};
1720 2257
2258 $self->deactivate;
2259 $_->clear_links_to ($self) for values %cf::MAP;
1721 $self->clear; 2260 $self->clear;
1722
1723 $_->clear_links_to ($self) for values %cf::MAP;
1724 2261
1725 $self->unlink_save; 2262 $self->unlink_save;
1726 $self->destroy; 2263 $self->destroy;
1727} 2264}
1728 2265
1729my $nuke_counter = "aaaa"; 2266my $nuke_counter = "aaaa";
1730 2267
1731sub nuke { 2268sub nuke {
1732 my ($self) = @_; 2269 my ($self) = @_;
1733 2270
2271 {
2272 my $lock = cf::lock_acquire "map_data:$self->{path}";
2273
1734 delete $cf::MAP{$self->path}; 2274 delete $cf::MAP{$self->path};
1735 2275
1736 $self->unlink_save; 2276 $self->unlink_save;
1737 2277
1738 bless $self, "cf::map"; 2278 bless $self, "cf::map";
1739 delete $self->{deny_reset}; 2279 delete $self->{deny_reset};
1740 $self->{deny_save} = 1; 2280 $self->{deny_save} = 1;
1741 $self->reset_timeout (1); 2281 $self->reset_timeout (1);
1742 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2282 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743 2283
1744 $cf::MAP{$self->path} = $self; 2284 $cf::MAP{$self->path} = $self;
2285 }
1745 2286
1746 $self->reset; # polite request, might not happen 2287 $self->reset; # polite request, might not happen
2288}
2289
2290=item $maps = cf::map::tmp_maps
2291
2292Returns an arrayref with all map paths of currently instantiated and saved
2293maps. May block.
2294
2295=cut
2296
2297sub tmp_maps() {
2298 [
2299 map {
2300 utf8::decode $_;
2301 /\.map$/
2302 ? normalise $_
2303 : ()
2304 } @{ aio_readdir $TMPDIR or [] }
2305 ]
2306}
2307
2308=item $maps = cf::map::random_maps
2309
2310Returns an arrayref with all map paths of currently instantiated and saved
2311random maps. May block.
2312
2313=cut
2314
2315sub random_maps() {
2316 [
2317 map {
2318 utf8::decode $_;
2319 /\.map$/
2320 ? normalise "?random/$_"
2321 : ()
2322 } @{ aio_readdir $RANDOMDIR or [] }
2323 ]
1747} 2324}
1748 2325
1749=item cf::map::unique_maps 2326=item cf::map::unique_maps
1750 2327
1751Returns an arrayref of paths of all shared maps that have 2328Returns an arrayref of paths of all shared maps that have
1752instantiated unique items. May block. 2329instantiated unique items. May block.
1753 2330
1754=cut 2331=cut
1755 2332
1756sub unique_maps() { 2333sub unique_maps() {
1757 my $files = aio_readdir $UNIQUEDIR 2334 [
1758 or return; 2335 map {
1759
1760 my @paths;
1761
1762 for (@$files) {
1763 utf8::decode $_; 2336 utf8::decode $_;
1764 next if /\.pst$/; 2337 /\.map$/
1765 next unless /^$PATH_SEP/o; 2338 ? normalise $_
1766 2339 : ()
1767 push @paths, cf::map::normalise $_; 2340 } @{ aio_readdir $UNIQUEDIR or [] }
1768 } 2341 ]
1769
1770 \@paths
1771} 2342}
1772 2343
1773package cf; 2344package cf;
1774 2345
1775=back 2346=back
1793 map { $_, inv_recursive_ $_->inv } @_ 2364 map { $_, inv_recursive_ $_->inv } @_
1794} 2365}
1795 2366
1796sub inv_recursive { 2367sub inv_recursive {
1797 inv_recursive_ inv $_[0] 2368 inv_recursive_ inv $_[0]
2369}
2370
2371=item $ref = $ob->ref
2372
2373creates and returns a persistent reference to an objetc that can be stored as a string.
2374
2375=item $ob = cf::object::deref ($refstring)
2376
2377returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2378even if the object actually exists. May block.
2379
2380=cut
2381
2382sub deref {
2383 my ($ref) = @_;
2384
2385 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2386 my ($uuid, $name) = ($1, $2);
2387 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2388 or return;
2389 $pl->ob->uuid eq $uuid
2390 or return;
2391
2392 $pl->ob
2393 } else {
2394 warn "$ref: cannot resolve object reference\n";
2395 undef
2396 }
1798} 2397}
1799 2398
1800package cf; 2399package cf;
1801 2400
1802=back 2401=back
1821 2420
1822 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2421 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823 2422
1824 if ($self->{record_replies}) { 2423 if ($self->{record_replies}) {
1825 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2424 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2425
1826 } else { 2426 } else {
2427 my $pl = $self->contr;
2428
2429 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2430 my $dialog = $pl->{npc_dialog};
2431 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2432
2433 } else {
1827 $msg = $npc->name . " says: $msg" if $npc; 2434 $msg = $npc->name . " says: $msg" if $npc;
1828 $self->message ($msg, $flags); 2435 $self->message ($msg, $flags);
2436 }
1829 } 2437 }
2438}
2439
2440=item $object->send_msg ($channel, $msg, $color, [extra...])
2441
2442=cut
2443
2444sub cf::object::send_msg {
2445 my $pl = shift->contr
2446 or return;
2447 $pl->send_msg (@_);
1830} 2448}
1831 2449
1832=item $player_object->may ("access") 2450=item $player_object->may ("access")
1833 2451
1834Returns wether the given player is authorized to access resource "access" 2452Returns wether the given player is authorized to access resource "access"
1881 $self->deactivate_recursive; 2499 $self->deactivate_recursive;
1882 2500
1883 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2501 return if UNIVERSAL::isa $self->map, "ext::map_link";
1884 2502
1885 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2503 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886 if $self->map; 2504 if $self->map && $self->map->{path} ne "{link}";
1887 2505
1888 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2506 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1889} 2507}
1890 2508
1891sub cf::object::player::leave_link { 2509sub cf::object::player::leave_link {
1892 my ($self, $map, $x, $y) = @_; 2510 my ($self, $map, $x, $y) = @_;
2511
2512 return unless $self->contr->active;
1893 2513
1894 my $link_pos = delete $self->{_link_pos}; 2514 my $link_pos = delete $self->{_link_pos};
1895 2515
1896 unless ($map) { 2516 unless ($map) {
1897 # restore original map position 2517 # restore original map position
1911 # use -1 or undef as default coordinates, not 0, 0 2531 # use -1 or undef as default coordinates, not 0, 0
1912 ($x, $y) = ($map->enter_x, $map->enter_y) 2532 ($x, $y) = ($map->enter_x, $map->enter_y)
1913 if $x <=0 && $y <= 0; 2533 if $x <=0 && $y <= 0;
1914 2534
1915 $map->load; 2535 $map->load;
1916 $map->load_diag; 2536 $map->load_neighbours;
1917 2537
1918 return unless $self->contr->active; 2538 return unless $self->contr->active;
1919 $self->activate_recursive; 2539 $self->activate_recursive;
1920 2540
1921 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2541 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922 $self->enter_map ($map, $x, $y); 2542 $self->enter_map ($map, $x, $y);
1923} 2543}
1924 2544
1925cf::player->attach ( 2545=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926 on_logout => sub {
1927 my ($pl) = @_;
1928 2546
1929 # abort map switching before logout 2547Moves the player to the given map-path and coordinates by first freezing
1930 if ($pl->ob->{_link_pos}) { 2548her, loading and preparing them map, calling the provided $check callback
1931 cf::sync_job { 2549that has to return the map if sucecssful, and then unfreezes the player on
1932 $pl->ob->leave_link 2550the new (success) or old (failed) map position. In either case, $done will
1933 }; 2551be called at the end of this process.
1934 }
1935 },
1936 on_login => sub {
1937 my ($pl) = @_;
1938 2552
1939 # try to abort aborted map switching on player login :)
1940 # should happen only on crashes
1941 if ($pl->ob->{_link_pos}) {
1942 $pl->ob->enter_link;
1943 (async {
1944 $pl->ob->reply (undef,
1945 "There was an internal problem at your last logout, "
1946 . "the server will try to bring you to your intended destination in a second.",
1947 cf::NDI_RED);
1948 # we need this sleep as the login has a concurrent enter_exit running
1949 # and this sleep increases chances of the player not ending up in scorn
1950 Coro::Timer::sleep 1;
1951 $pl->ob->leave_link;
1952 })->prio (2);
1953 }
1954 },
1955);
1956
1957=item $player_object->goto ($path, $x, $y)
1958
1959=cut 2553=cut
2554
2555our $GOTOGEN;
1960 2556
1961sub cf::object::player::goto { 2557sub cf::object::player::goto {
1962 my ($self, $path, $x, $y) = @_; 2558 my ($self, $path, $x, $y, $check, $done) = @_;
2559
2560 # do generation counting so two concurrent goto's will be executed in-order
2561 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963 2562
1964 $self->enter_link; 2563 $self->enter_link;
1965 2564
1966 (async { 2565 (async {
2566 $Coro::current->{desc} = "player::goto $path $x $y";
2567
2568 # *tag paths override both path and x|y
2569 if ($path =~ /^\*(.*)$/) {
2570 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2571 my $ob = $obs[rand @obs];
2572
2573 # see if we actually can go there
2574 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2575 $ob = $obs[rand @obs];
2576 } else {
2577 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2578 }
2579 # else put us there anyways for now #d#
2580
2581 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2582 } else {
2583 ($path, $x, $y) = (undef, undef, undef);
2584 }
2585 }
2586
1967 my $map = eval { 2587 my $map = eval {
1968 my $map = cf::map::find $path; 2588 my $map = defined $path ? cf::map::find $path : undef;
2589
2590 if ($map) {
1969 $map = $map->customise_for ($self) if $map; 2591 $map = $map->customise_for ($self);
2592 $map = $check->($map) if $check && $map;
2593 } else {
2594 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2595 }
2596
1970 $map 2597 $map
2598 };
2599
2600 if ($@) {
2601 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2602 LOG llevError | logBacktrace, Carp::longmess $@;
1971 } or 2603 }
1972 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973 2604
2605 if ($gen == $self->{_goto_generation}) {
2606 delete $self->{_goto_generation};
1974 $self->leave_link ($map, $x, $y); 2607 $self->leave_link ($map, $x, $y);
2608 }
2609
2610 $done->() if $done;
1975 })->prio (1); 2611 })->prio (1);
1976} 2612}
1977 2613
1978=item $player_object->enter_exit ($exit_object) 2614=item $player_object->enter_exit ($exit_object)
1979 2615
2016 $rmp->{origin_y} = $exit->y; 2652 $rmp->{origin_y} = $exit->y;
2017 } 2653 }
2018 2654
2019 $rmp->{random_seed} ||= $exit->random_seed; 2655 $rmp->{random_seed} ||= $exit->random_seed;
2020 2656
2021 my $data = cf::to_json $rmp; 2657 my $data = cf::encode_json $rmp;
2022 my $md5 = Digest::MD5::md5_hex $data; 2658 my $md5 = Digest::MD5::md5_hex $data;
2023 my $meta = "$RANDOMDIR/$md5.meta"; 2659 my $meta = "$RANDOMDIR/$md5.meta";
2024 2660
2025 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2661 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026 aio_write $fh, 0, (length $data), $data, 0; 2662 aio_write $fh, 0, (length $data), $data, 0;
2048 my $hp = $exit->stats->hp; 2684 my $hp = $exit->stats->hp;
2049 my $sp = $exit->stats->sp; 2685 my $sp = $exit->stats->sp;
2050 2686
2051 $self->enter_link; 2687 $self->enter_link;
2052 2688
2689 # if exit is damned, update players death & WoR home-position
2690 $self->contr->savebed ($slaying, $hp, $sp)
2691 if $exit->flag (FLAG_DAMNED);
2692
2053 (async { 2693 (async {
2694 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2695
2054 $self->deactivate_recursive; # just to be sure 2696 $self->deactivate_recursive; # just to be sure
2055 unless (eval { 2697 unless (eval {
2056 $self->goto ($slaying, $hp, $sp); 2698 $self->goto ($slaying, $hp, $sp);
2057 2699
2058 1; 2700 1;
2084 2726
2085 utf8::encode $text; 2727 utf8::encode $text;
2086 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2728 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087} 2729}
2088 2730
2731=item $client->send_msg ($channel, $msg, $color, [extra...])
2732
2733Send a drawinfo or msg packet to the client, formatting the msg for the
2734client if neccessary. C<$type> should be a string identifying the type of
2735the message, with C<log> being the default. If C<$color> is negative, suppress
2736the message unless the client supports the msg packet.
2737
2738=cut
2739
2740# non-persistent channels (usually the info channel)
2741our %CHANNEL = (
2742 "c/identify" => {
2743 id => "infobox",
2744 title => "Identify",
2745 reply => undef,
2746 tooltip => "Items recently identified",
2747 },
2748 "c/examine" => {
2749 id => "infobox",
2750 title => "Examine",
2751 reply => undef,
2752 tooltip => "Signs and other items you examined",
2753 },
2754 "c/book" => {
2755 id => "infobox",
2756 title => "Book",
2757 reply => undef,
2758 tooltip => "The contents of a note or book",
2759 },
2760 "c/lookat" => {
2761 id => "infobox",
2762 title => "Look",
2763 reply => undef,
2764 tooltip => "What you saw there",
2765 },
2766 "c/who" => {
2767 id => "infobox",
2768 title => "Players",
2769 reply => undef,
2770 tooltip => "Shows players who are currently online",
2771 },
2772 "c/body" => {
2773 id => "infobox",
2774 title => "Body Parts",
2775 reply => undef,
2776 tooltip => "Shows which body parts you posess and are available",
2777 },
2778 "c/uptime" => {
2779 id => "infobox",
2780 title => "Uptime",
2781 reply => undef,
2782 tooltip => "How long the server has been running since last restart",
2783 },
2784 "c/mapinfo" => {
2785 id => "infobox",
2786 title => "Map Info",
2787 reply => undef,
2788 tooltip => "Information related to the maps",
2789 },
2790);
2791
2792sub cf::client::send_msg {
2793 my ($self, $channel, $msg, $color, @extra) = @_;
2794
2795 $msg = $self->pl->expand_cfpod ($msg);
2796
2797 $color &= cf::NDI_CLIENT_MASK; # just in case...
2798
2799 # check predefined channels, for the benefit of C
2800 if ($CHANNEL{$channel}) {
2801 $channel = $CHANNEL{$channel};
2802
2803 $self->ext_msg (channel_info => $channel)
2804 if $self->can_msg;
2805
2806 $channel = $channel->{id};
2807
2808 } elsif (ref $channel) {
2809 # send meta info to client, if not yet sent
2810 unless (exists $self->{channel}{$channel->{id}}) {
2811 $self->{channel}{$channel->{id}} = $channel;
2812 $self->ext_msg (channel_info => $channel)
2813 if $self->can_msg;
2814 }
2815
2816 $channel = $channel->{id};
2817 }
2818
2819 return unless @extra || length $msg;
2820
2821 if ($self->can_msg) {
2822 # default colour, mask it out
2823 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2824 if $color & cf::NDI_DEF;
2825
2826 $self->send_packet ("msg " . $self->{json_coder}->encode (
2827 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2828 } else {
2829 if ($color >= 0) {
2830 # replace some tags by gcfclient-compatible ones
2831 for ($msg) {
2832 1 while
2833 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2834 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2835 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2836 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2837 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2838 }
2839
2840 $color &= cf::NDI_COLOR_MASK;
2841
2842 utf8::encode $msg;
2843
2844 if (0 && $msg =~ /\[/) {
2845 # COMMAND/INFO
2846 $self->send_packet ("drawextinfo $color 10 8 $msg")
2847 } else {
2848 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2849 $self->send_packet ("drawinfo $color $msg")
2850 }
2851 }
2852 }
2853}
2854
2089=item $client->ext_event ($type, %msg) 2855=item $client->ext_msg ($type, @msg)
2090 2856
2091Sends an exti event to the client. 2857Sends an ext event to the client.
2092 2858
2093=cut 2859=cut
2094 2860
2095sub cf::client::ext_event($$%) { 2861sub cf::client::ext_msg($$@) {
2096 my ($self, $type, %msg) = @_; 2862 my ($self, $type, @msg) = @_;
2097 2863
2864 if ($self->extcmd == 2) {
2865 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2866 } elsif ($self->extcmd == 1) { # TODO: remove
2098 $msg{msgtype} = "event_$type"; 2867 push @msg, msgtype => "event_$type";
2099 $self->send_packet ("ext " . cf::to_json \%msg); 2868 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2869 }
2870}
2871
2872=item $client->ext_reply ($msgid, @msg)
2873
2874Sends an ext reply to the client.
2875
2876=cut
2877
2878sub cf::client::ext_reply($$@) {
2879 my ($self, $id, @msg) = @_;
2880
2881 if ($self->extcmd == 2) {
2882 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2883 } elsif ($self->extcmd == 1) {
2884 #TODO: version 1, remove
2885 unshift @msg, msgtype => "reply", msgid => $id;
2886 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2887 }
2100} 2888}
2101 2889
2102=item $success = $client->query ($flags, "text", \&cb) 2890=item $success = $client->query ($flags, "text", \&cb)
2103 2891
2104Queues a query to the client, calling the given callback with 2892Queues a query to the client, calling the given callback with
2105the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2893the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2894C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107 2895
2108Queries can fail, so check the return code. Or don't, as queries will become 2896Queries can fail, so check the return code. Or don't, as queries will
2109reliable at some point in the future. 2897become reliable at some point in the future.
2110 2898
2111=cut 2899=cut
2112 2900
2113sub cf::client::query { 2901sub cf::client::query {
2114 my ($self, $flags, $text, $cb) = @_; 2902 my ($self, $flags, $text, $cb) = @_;
2122 utf8::encode $text; 2910 utf8::encode $text;
2123 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2911 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124 2912
2125 $self->send_packet ($self->{query_queue}[0][0]) 2913 $self->send_packet ($self->{query_queue}[0][0])
2126 if @{ $self->{query_queue} } == 1; 2914 if @{ $self->{query_queue} } == 1;
2915
2916 1
2127} 2917}
2128 2918
2129cf::client->attach ( 2919cf::client->attach (
2920 on_connect => sub {
2921 my ($ns) = @_;
2922
2923 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2924 },
2130 on_reply => sub { 2925 on_reply => sub {
2131 my ($ns, $msg) = @_; 2926 my ($ns, $msg) = @_;
2132 2927
2133 # this weird shuffling is so that direct followup queries 2928 # this weird shuffling is so that direct followup queries
2134 # get handled first 2929 # get handled first
2146 } else { 2941 } else {
2147 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2942 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148 } 2943 }
2149 } 2944 }
2150 }, 2945 },
2946 on_exticmd => sub {
2947 my ($ns, $buf) = @_;
2948
2949 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2950
2951 if (ref $msg) {
2952 my ($type, $reply, @payload) =
2953 "ARRAY" eq ref $msg
2954 ? @$msg
2955 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2956
2957 my @reply;
2958
2959 if (my $cb = $EXTICMD{$type}) {
2960 @reply = $cb->($ns, @payload);
2961 }
2962
2963 $ns->ext_reply ($reply, @reply)
2964 if $reply;
2965
2966 } else {
2967 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2968 }
2969
2970 cf::override;
2971 },
2151); 2972);
2152 2973
2153=item $client->async (\&cb) 2974=item $client->async (\&cb)
2154 2975
2155Create a new coroutine, running the specified callback. The coroutine will 2976Create a new coroutine, running the specified callback. The coroutine will
2196our $safe = new Safe "safe"; 3017our $safe = new Safe "safe";
2197our $safe_hole = new Safe::Hole; 3018our $safe_hole = new Safe::Hole;
2198 3019
2199$SIG{FPE} = 'IGNORE'; 3020$SIG{FPE} = 'IGNORE';
2200 3021
2201$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3022$safe->permit_only (Opcode::opset qw(
3023 :base_core :base_mem :base_orig :base_math
3024 grepstart grepwhile mapstart mapwhile
3025 sort time
3026));
2202 3027
2203# here we export the classes and methods available to script code 3028# here we export the classes and methods available to script code
2204 3029
2205=pod 3030=pod
2206 3031
2207The following functions and methods are available within a safe environment: 3032The following functions and methods are available within a safe environment:
2208 3033
2209 cf::object contr pay_amount pay_player map 3034 cf::object
3035 contr pay_amount pay_player map x y force_find force_add destroy
3036 insert remove name archname title slaying race decrease_ob_nr
3037
2210 cf::object::player player 3038 cf::object::player
2211 cf::player peaceful 3039 player
2212 cf::map trigger 3040
3041 cf::player
3042 peaceful
3043
3044 cf::map
3045 trigger
2213 3046
2214=cut 3047=cut
2215 3048
2216for ( 3049for (
2217 ["cf::object" => qw(contr pay_amount pay_player map)], 3050 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3051 insert remove inv name archname title slaying race
3052 decrease_ob_nr destroy)],
2218 ["cf::object::player" => qw(player)], 3053 ["cf::object::player" => qw(player)],
2219 ["cf::player" => qw(peaceful)], 3054 ["cf::player" => qw(peaceful)],
2220 ["cf::map" => qw(trigger)], 3055 ["cf::map" => qw(trigger)],
2221) { 3056) {
2222 no strict 'refs'; 3057 no strict 'refs';
2293=back 3128=back
2294 3129
2295=cut 3130=cut
2296 3131
2297############################################################################# 3132#############################################################################
2298
2299=head2 EXTENSION DATABASE SUPPORT
2300
2301Crossfire maintains a very simple database for extension use. It can
2302currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303convert to/from binary).
2304
2305The parameter C<$family> should best start with the name of the extension
2306using it, it should be unique.
2307
2308=over 4
2309
2310=item $value = cf::db_get $family => $key
2311
2312Returns a single value from the database.
2313
2314=item cf::db_put $family => $key => $value
2315
2316Stores the given C<$value> in the family.
2317
2318=cut
2319
2320our $DB;
2321
2322sub db_init {
2323 unless ($DB) {
2324 $DB = BDB::db_create $DB_ENV;
2325
2326 cf::sync_job {
2327 eval {
2328 $DB->set_flags (BDB::CHKSUM);
2329
2330 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332 cf::cleanup "db_open(db): $!" if $!;
2333 };
2334 cf::cleanup "db_open(db): $@" if $@;
2335 };
2336 }
2337}
2338
2339sub db_get($$) {
2340 my $key = "$_[0]/$_[1]";
2341
2342 cf::sync_job {
2343 BDB::db_get $DB, undef, $key, my $data;
2344
2345 $! ? ()
2346 : $data
2347 }
2348}
2349
2350sub db_put($$$) {
2351 BDB::dbreq_pri 4;
2352 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353}
2354
2355=item cf::cache $id => [$paths...], $processversion => $process
2356
2357Generic caching function that returns the value of the resource $id,
2358caching and regenerating as required.
2359
2360This function can block.
2361
2362=cut
2363
2364sub cache {
2365 my ($id, $src, $processversion, $process) = @_;
2366
2367 my $meta =
2368 join "\x00",
2369 $processversion,
2370 map {
2371 aio_stat $_
2372 and Carp::croak "$_: $!";
2373
2374 ($_, (stat _)[7,9])
2375 } @$src;
2376
2377 my $dbmeta = db_get cache => "$id/meta";
2378 if ($dbmeta ne $meta) {
2379 # changed, we may need to process
2380
2381 my @data;
2382 my $md5;
2383
2384 for (0 .. $#$src) {
2385 0 <= aio_load $src->[$_], $data[$_]
2386 or Carp::croak "$src->[$_]: $!";
2387 }
2388
2389 # if processing is expensive, check
2390 # checksum first
2391 if (1) {
2392 $md5 =
2393 join "\x00",
2394 $processversion,
2395 map {
2396 Coro::cede;
2397 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2398 } 0.. $#$src;
2399
2400
2401 my $dbmd5 = db_get cache => "$id/md5";
2402 if ($dbmd5 eq $md5) {
2403 db_put cache => "$id/meta", $meta;
2404
2405 return db_get cache => "$id/data";
2406 }
2407 }
2408
2409 my $t1 = Time::HiRes::time;
2410 my $data = $process->(\@data);
2411 my $t2 = Time::HiRes::time;
2412
2413 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415 db_put cache => "$id/data", $data;
2416 db_put cache => "$id/md5" , $md5;
2417 db_put cache => "$id/meta", $meta;
2418
2419 return $data;
2420 }
2421
2422 db_get cache => "$id/data"
2423}
2424
2425=item fork_call { }, $args
2426
2427Executes the given code block with the given arguments in a seperate
2428process, returning the results. Everything must be serialisable with
2429Coro::Storable. May, of course, block. Note that the executed sub may
2430never block itself or use any form of Event handling.
2431
2432=cut
2433
2434sub fork_call(&@) {
2435 my ($cb, @args) = @_;
2436
2437# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438# or die "socketpair: $!";
2439 pipe my $fh1, my $fh2
2440 or die "pipe: $!";
2441
2442 if (my $pid = fork) {
2443 close $fh2;
2444
2445 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446 $res = Coro::Storable::thaw $res;
2447
2448 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450 die $$res unless "ARRAY" eq ref $res;
2451
2452 return wantarray ? @$res : $res->[-1];
2453 } else {
2454 reset_signals;
2455 local $SIG{__WARN__};
2456 local $SIG{__DIE__};
2457 eval {
2458 close $fh1;
2459
2460 my @res = eval { $cb->(@args) };
2461 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462 };
2463
2464 warn $@ if $@;
2465 _exit 0;
2466 }
2467}
2468
2469
2470
2471#############################################################################
2472# the server's init and main functions 3133# the server's init and main functions
2473 3134
2474sub load_facedata($) { 3135sub load_facedata($) {
2475 my ($path) = @_; 3136 my ($path) = @_;
3137
3138 # HACK to clear player env face cache, we need some signal framework
3139 # for this (global event?)
3140 %ext::player_env::MUSIC_FACE_CACHE = ();
3141
3142 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476 3143
2477 warn "loading facedata from $path\n"; 3144 warn "loading facedata from $path\n";
2478 3145
2479 my $facedata; 3146 my $facedata;
2480 0 < aio_load $path, $facedata 3147 0 < aio_load $path, $facedata
2483 $facedata = Coro::Storable::thaw $facedata; 3150 $facedata = Coro::Storable::thaw $facedata;
2484 3151
2485 $facedata->{version} == 2 3152 $facedata->{version} == 2
2486 or cf::cleanup "$path: version mismatch, cannot proceed."; 3153 or cf::cleanup "$path: version mismatch, cannot proceed.";
2487 3154
3155 # patch in the exptable
3156 $facedata->{resource}{"res/exp_table"} = {
3157 type => FT_RSRC,
3158 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3159 };
3160 cf::cede_to_tick;
3161
2488 { 3162 {
2489 my $faces = $facedata->{faceinfo}; 3163 my $faces = $facedata->{faceinfo};
2490 3164
2491 while (my ($face, $info) = each %$faces) { 3165 while (my ($face, $info) = each %$faces) {
2492 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3166 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3167
2493 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3168 cf::face::set_visibility $idx, $info->{visibility};
3169 cf::face::set_magicmap $idx, $info->{magicmap};
2494 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3170 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3171 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496 Coro::cede; 3172
3173 cf::cede_to_tick;
2497 } 3174 }
2498 3175
2499 while (my ($face, $info) = each %$faces) { 3176 while (my ($face, $info) = each %$faces) {
2500 next unless $info->{smooth}; 3177 next unless $info->{smooth};
3178
2501 my $idx = cf::face::find $face 3179 my $idx = cf::face::find $face
2502 or next; 3180 or next;
3181
2503 if (my $smooth = cf::face::find $info->{smooth}) { 3182 if (my $smooth = cf::face::find $info->{smooth}) {
3183 cf::face::set_smooth $idx, $smooth;
2504 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3184 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505 } else { 3185 } else {
2506 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3186 warn "smooth face '$info->{smooth}' not found for face '$face'";
2507 } 3187 }
2508 Coro::cede; 3188
3189 cf::cede_to_tick;
2509 } 3190 }
2510 } 3191 }
2511 3192
2512 { 3193 {
2513 my $anims = $facedata->{animinfo}; 3194 my $anims = $facedata->{animinfo};
2514 3195
2515 while (my ($anim, $info) = each %$anims) { 3196 while (my ($anim, $info) = each %$anims) {
2516 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3197 cf::anim::set $anim, $info->{frames}, $info->{facings};
2517 Coro::cede; 3198 cf::cede_to_tick;
2518 } 3199 }
2519 3200
2520 cf::anim::invalidate_all; # d'oh 3201 cf::anim::invalidate_all; # d'oh
2521 } 3202 }
2522 3203
3204 {
3205 # TODO: for gcfclient pleasure, we should give resources
3206 # that gcfclient doesn't grok a >10000 face index.
3207 my $res = $facedata->{resource};
3208
3209 while (my ($name, $info) = each %$res) {
3210 if (defined $info->{type}) {
3211 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3212 my $data;
3213
3214 if ($info->{type} & 1) {
3215 # prepend meta info
3216
3217 my $meta = $enc->encode ({
3218 name => $name,
3219 %{ $info->{meta} || {} },
3220 });
3221
3222 $data = pack "(w/a*)*", $meta, $info->{data};
3223 } else {
3224 $data = $info->{data};
3225 }
3226
3227 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3228 cf::face::set_type $idx, $info->{type};
3229 } else {
3230 $RESOURCE{$name} = $info;
3231 }
3232
3233 cf::cede_to_tick;
3234 }
3235 }
3236
3237 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3238
2523 1 3239 1
2524} 3240}
2525 3241
3242cf::global->attach (on_resource_update => sub {
3243 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3244 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3245
3246 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3247 my $sound = $soundconf->{compat}[$_]
3248 or next;
3249
3250 my $face = cf::face::find "sound/$sound->[1]";
3251 cf::sound::set $sound->[0] => $face;
3252 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3253 }
3254
3255 while (my ($k, $v) = each %{$soundconf->{event}}) {
3256 my $face = cf::face::find "sound/$v";
3257 cf::sound::set $k => $face;
3258 }
3259 }
3260});
3261
3262register_exticmd fx_want => sub {
3263 my ($ns, $want) = @_;
3264
3265 while (my ($k, $v) = each %$want) {
3266 $ns->fx_want ($k, $v);
3267 }
3268};
3269
2526sub reload_regions { 3270sub reload_regions {
3271 # HACK to clear player env face cache, we need some signal framework
3272 # for this (global event?)
3273 %ext::player_env::MUSIC_FACE_CACHE = ();
3274
2527 load_resource_file "$MAPDIR/regions" 3275 load_resource_file "$MAPDIR/regions"
2528 or die "unable to load regions file\n"; 3276 or die "unable to load regions file\n";
3277
3278 for (cf::region::list) {
3279 $_->{match} = qr/$_->{match}/
3280 if exists $_->{match};
3281 }
2529} 3282}
2530 3283
2531sub reload_facedata { 3284sub reload_facedata {
2532 load_facedata "$DATADIR/facedata" 3285 load_facedata "$DATADIR/facedata"
2533 or die "unable to load facedata\n"; 3286 or die "unable to load facedata\n";
2534} 3287}
2535 3288
2536sub reload_archetypes { 3289sub reload_archetypes {
2537 load_resource_file "$DATADIR/archetypes" 3290 load_resource_file "$DATADIR/archetypes"
2538 or die "unable to load archetypes\n"; 3291 or die "unable to load archetypes\n";
3292 #d# NEED to laod twice to resolve forward references
3293 # this really needs to be done in an extra post-pass
3294 # (which needs to be synchronous, so solve it differently)
3295 load_resource_file "$DATADIR/archetypes"
3296 or die "unable to load archetypes\n";
2539} 3297}
2540 3298
2541sub reload_treasures { 3299sub reload_treasures {
2542 load_resource_file "$DATADIR/treasures" 3300 load_resource_file "$DATADIR/treasures"
2543 or die "unable to load treasurelists\n"; 3301 or die "unable to load treasurelists\n";
2546sub reload_resources { 3304sub reload_resources {
2547 warn "reloading resource files...\n"; 3305 warn "reloading resource files...\n";
2548 3306
2549 reload_regions; 3307 reload_regions;
2550 reload_facedata; 3308 reload_facedata;
3309 #reload_archetypes;#d#
2551 reload_archetypes; 3310 reload_archetypes;
2552 reload_treasures; 3311 reload_treasures;
2553 3312
2554 warn "finished reloading resource files\n"; 3313 warn "finished reloading resource files\n";
2555} 3314}
2556 3315
2557sub init { 3316sub init {
2558 reload_resources; 3317 reload_resources;
2559} 3318}
2560 3319
2561sub cfg_load { 3320sub reload_config {
2562 open my $fh, "<:utf8", "$CONFDIR/config" 3321 open my $fh, "<:utf8", "$CONFDIR/config"
2563 or return; 3322 or return;
2564 3323
2565 local $/; 3324 local $/;
2566 *CFG = YAML::Syck::Load <$fh>; 3325 *CFG = YAML::Load <$fh>;
2567 3326
2568 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3327 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569 3328
2570 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3329 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3330 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2582sub main { 3341sub main {
2583 # we must not ever block the main coroutine 3342 # we must not ever block the main coroutine
2584 local $Coro::idle = sub { 3343 local $Coro::idle = sub {
2585 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3344 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586 (async { 3345 (async {
2587 Event::one_event; 3346 $Coro::current->{desc} = "IDLE BUG HANDLER";
3347 EV::loop EV::LOOP_ONESHOT;
2588 })->prio (Coro::PRIO_MAX); 3348 })->prio (Coro::PRIO_MAX);
2589 }; 3349 };
2590 3350
2591 cfg_load; 3351 reload_config;
2592 db_init; 3352 db_init;
2593 load_extensions; 3353 load_extensions;
2594 3354
2595 $TICK_WATCHER->start; 3355 $TICK_WATCHER->start;
3356 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2596 Event::loop; 3357 EV::loop;
2597} 3358}
2598 3359
2599############################################################################# 3360#############################################################################
2600# initialisation and cleanup 3361# initialisation and cleanup
2601 3362
2602# install some emergency cleanup handlers 3363# install some emergency cleanup handlers
2603BEGIN { 3364BEGIN {
3365 our %SIGWATCHER = ();
2604 for my $signal (qw(INT HUP TERM)) { 3366 for my $signal (qw(INT HUP TERM)) {
2605 Event->signal ( 3367 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2606 reentrant => 0,
2607 data => WF_AUTOCANCEL,
2608 signal => $signal,
2609 prio => 0,
2610 cb => sub {
2611 cf::cleanup "SIG$signal"; 3368 cf::cleanup "SIG$signal";
2612 },
2613 ); 3369 };
3370 }
3371}
3372
3373sub write_runtime {
3374 my $runtime = "$LOCALDIR/runtime";
3375
3376 # first touch the runtime file to show we are still running:
3377 # the fsync below can take a very very long time.
3378
3379 IO::AIO::aio_utime $runtime, undef, undef;
3380
3381 my $guard = cf::lock_acquire "write_runtime";
3382
3383 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3384 or return;
3385
3386 my $value = $cf::RUNTIME + 90 + 10;
3387 # 10 is the runtime save interval, for a monotonic clock
3388 # 60 allows for the watchdog to kill the server.
3389
3390 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3391 and return;
3392
3393 # always fsync - this file is important
3394 aio_fsync $fh
3395 and return;
3396
3397 # touch it again to show we are up-to-date
3398 aio_utime $fh, undef, undef;
3399
3400 close $fh
3401 or return;
3402
3403 aio_rename "$runtime~", $runtime
3404 and return;
3405
3406 warn "runtime file written.\n";
3407
2614 } 3408 1
2615} 3409}
2616 3410
2617sub emergency_save() { 3411sub emergency_save() {
2618 my $freeze_guard = cf::freeze_mainloop; 3412 my $freeze_guard = cf::freeze_mainloop;
2619 3413
2625 # and maps saved/destroyed asynchronously. 3419 # and maps saved/destroyed asynchronously.
2626 warn "begin emergency player save\n"; 3420 warn "begin emergency player save\n";
2627 for my $login (keys %cf::PLAYER) { 3421 for my $login (keys %cf::PLAYER) {
2628 my $pl = $cf::PLAYER{$login} or next; 3422 my $pl = $cf::PLAYER{$login} or next;
2629 $pl->valid or next; 3423 $pl->valid or next;
3424 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630 $pl->save; 3425 $pl->save;
2631 } 3426 }
2632 warn "end emergency player save\n"; 3427 warn "end emergency player save\n";
2633 3428
2634 warn "begin emergency map save\n"; 3429 warn "begin emergency map save\n";
2673 warn "syncing database to disk"; 3468 warn "syncing database to disk";
2674 BDB::db_env_txn_checkpoint $DB_ENV; 3469 BDB::db_env_txn_checkpoint $DB_ENV;
2675 3470
2676 # if anything goes wrong in here, we should simply crash as we already saved 3471 # if anything goes wrong in here, we should simply crash as we already saved
2677 3472
2678 warn "cancelling all WF_AUTOCANCEL watchers";
2679 for (Event::all_watchers) {
2680 $_->cancel if $_->data & WF_AUTOCANCEL;
2681 }
2682
2683 warn "flushing outstanding aio requests"; 3473 warn "flushing outstanding aio requests";
2684 for (;;) { 3474 for (;;) {
2685 BDB::flush; 3475 BDB::flush;
2686 IO::AIO::flush; 3476 IO::AIO::flush;
2687 Coro::cede; 3477 Coro::cede_notself;
2688 last unless IO::AIO::nreqs || BDB::nreqs; 3478 last unless IO::AIO::nreqs || BDB::nreqs;
2689 warn "iterate..."; 3479 warn "iterate...";
2690 } 3480 }
2691 3481
2692 ++$RELOAD; 3482 ++$RELOAD;
2696 %EXT_CORO = (); 3486 %EXT_CORO = ();
2697 3487
2698 warn "removing commands"; 3488 warn "removing commands";
2699 %COMMAND = (); 3489 %COMMAND = ();
2700 3490
2701 warn "removing ext commands"; 3491 warn "removing ext/exti commands";
2702 %EXTCMD = (); 3492 %EXTCMD = ();
3493 %EXTICMD = ();
2703 3494
2704 warn "unloading/nuking all extensions"; 3495 warn "unloading/nuking all extensions";
2705 for my $pkg (@EXTS) { 3496 for my $pkg (@EXTS) {
2706 warn "... unloading $pkg"; 3497 warn "... unloading $pkg";
2707 3498
2750 warn "reloading cf.pm"; 3541 warn "reloading cf.pm";
2751 require cf; 3542 require cf;
2752 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3543 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753 3544
2754 warn "loading config and database again"; 3545 warn "loading config and database again";
2755 cf::cfg_load; 3546 cf::reload_config;
2756 3547
2757 warn "loading extensions"; 3548 warn "loading extensions";
2758 cf::load_extensions; 3549 cf::load_extensions;
2759 3550
2760 warn "reattaching attachments to objects/players"; 3551 warn "reattaching attachments to objects/players";
2780 3571
2781sub reload_perl() { 3572sub reload_perl() {
2782 # doing reload synchronously and two reloads happen back-to-back, 3573 # doing reload synchronously and two reloads happen back-to-back,
2783 # coro crashes during coro_state_free->destroy here. 3574 # coro crashes during coro_state_free->destroy here.
2784 3575
2785 $RELOAD_WATCHER ||= Event->timer ( 3576 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2786 reentrant => 0,
2787 after => 0,
2788 data => WF_AUTOCANCEL,
2789 cb => sub {
2790 do_reload_perl; 3577 do_reload_perl;
2791 undef $RELOAD_WATCHER; 3578 undef $RELOAD_WATCHER;
2792 },
2793 ); 3579 };
2794} 3580}
2795 3581
2796register_command "reload" => sub { 3582register_command "reload" => sub {
2797 my ($who, $arg) = @_; 3583 my ($who, $arg) = @_;
2798 3584
2799 if ($who->flag (FLAG_WIZ)) { 3585 if ($who->flag (FLAG_WIZ)) {
2800 $who->message ("reloading server."); 3586 $who->message ("reloading server.");
3587 async {
3588 $Coro::current->{desc} = "perl_reload";
2801 async { reload_perl }; 3589 reload_perl;
3590 };
2802 } 3591 }
2803}; 3592};
2804 3593
2805unshift @INC, $LIBDIR; 3594unshift @INC, $LIBDIR;
2806 3595
2825 my $signal = new Coro::Signal; 3614 my $signal = new Coro::Signal;
2826 push @WAIT_FOR_TICK_BEGIN, $signal; 3615 push @WAIT_FOR_TICK_BEGIN, $signal;
2827 $signal->wait; 3616 $signal->wait;
2828} 3617}
2829 3618
2830$TICK_WATCHER = Event->timer ( 3619$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2831 reentrant => 0,
2832 parked => 1,
2833 prio => 0,
2834 at => $NEXT_TICK || $TICK,
2835 data => WF_AUTOCANCEL,
2836 cb => sub {
2837 if ($Coro::current != $Coro::main) { 3620 if ($Coro::current != $Coro::main) {
2838 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3621 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839 unless ++$bug_warning > 10; 3622 unless ++$bug_warning > 10;
2840 return; 3623 return;
2841 } 3624 }
2842 3625
2843 $NOW = Event::time; 3626 $NOW = $tick_start = EV::now;
2844 3627
2845 cf::server_tick; # one server iteration 3628 cf::server_tick; # one server iteration
2846 3629
2847 $RUNTIME += $TICK; 3630 $RUNTIME += $TICK;
2848 $NEXT_TICK += $TICK; 3631 $NEXT_TICK = $_[0]->at;
2849 3632
2850 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3633 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851 $NEXT_RUNTIME_WRITE = $NOW + 10; 3634 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852 Coro::async_pool { 3635 Coro::async_pool {
3636 $Coro::current->{desc} = "runtime saver";
2853 write_runtime 3637 write_runtime
2854 or warn "ERROR: unable to write runtime file: $!"; 3638 or warn "ERROR: unable to write runtime file: $!";
2855 };
2856 } 3639 };
3640 }
2857 3641
2858# my $AFTER = Event::time;
2859# warn $AFTER - $NOW;#d#
2860
2861 # if we are delayed by four ticks or more, skip them all
2862 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864 $TICK_WATCHER->at ($NEXT_TICK);
2865 $TICK_WATCHER->start;
2866
2867 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3642 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868 $sig->send; 3643 $sig->send;
2869 } 3644 }
2870 while (my $sig = shift @WAIT_FOR_TICK) { 3645 while (my $sig = shift @WAIT_FOR_TICK) {
2871 $sig->send; 3646 $sig->send;
2872 } 3647 }
2873 3648
3649 $LOAD = ($NOW - $tick_start) / $TICK;
3650 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3651
2874 _post_tick; 3652 _post_tick;
2875 }, 3653};
2876); 3654$TICK_WATCHER->priority (EV::MAXPRI);
2877 3655
2878{ 3656{
2879 BDB::max_poll_time $TICK * 0.1; 3657 # configure BDB
2880 $BDB_POLL_WATCHER = Event->io ( 3658
2881 reentrant => 0,
2882 fd => BDB::poll_fileno,
2883 poll => 'r',
2884 prio => 0,
2885 data => WF_AUTOCANCEL,
2886 cb => \&BDB::poll_cb,
2887 );
2888 BDB::min_parallel 8; 3659 BDB::min_parallel 8;
2889 3660 BDB::max_poll_reqs $TICK * 0.1;
2890 BDB::set_sync_prepare { 3661 $Coro::BDB::WATCHER->priority (1);
2891 my $status;
2892 my $current = $Coro::current;
2893 (
2894 sub {
2895 $status = $!;
2896 $current->ready; undef $current;
2897 },
2898 sub {
2899 Coro::schedule while defined $current;
2900 $! = $status;
2901 },
2902 )
2903 };
2904 3662
2905 unless ($DB_ENV) { 3663 unless ($DB_ENV) {
2906 $DB_ENV = BDB::db_env_create; 3664 $DB_ENV = BDB::db_env_create;
3665 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3666 | BDB::LOG_AUTOREMOVE, 1);
3667 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3668 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907 3669
2908 cf::sync_job { 3670 cf::sync_job {
2909 eval { 3671 eval {
2910 BDB::db_env_open 3672 BDB::db_env_open
2911 $DB_ENV, 3673 $DB_ENV,
2913 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3675 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3676 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915 0666; 3677 0666;
2916 3678
2917 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3679 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920 $DB_ENV->set_lk_detect;
2921 }; 3680 };
2922 3681
2923 cf::cleanup "db_env_open(db): $@" if $@; 3682 cf::cleanup "db_env_open(db): $@" if $@;
2924 }; 3683 };
2925 } 3684 }
3685
3686 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3687 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3688 };
3689 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3690 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3691 };
3692 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3693 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3694 };
2926} 3695}
2927 3696
2928{ 3697{
3698 # configure IO::AIO
3699
2929 IO::AIO::min_parallel 8; 3700 IO::AIO::min_parallel 8;
2930
2931 undef $Coro::AIO::WATCHER;
2932 IO::AIO::max_poll_time $TICK * 0.1; 3701 IO::AIO::max_poll_time $TICK * 0.1;
2933 $AIO_POLL_WATCHER = Event->io ( 3702 $Coro::AIO::WATCHER->priority (1);
2934 reentrant => 0,
2935 data => WF_AUTOCANCEL,
2936 fd => IO::AIO::poll_fileno,
2937 poll => 'r',
2938 prio => 6,
2939 cb => \&IO::AIO::poll_cb,
2940 );
2941} 3703}
2942 3704
2943my $_log_backtrace; 3705my $_log_backtrace;
2944 3706
2945sub _log_backtrace { 3707sub _log_backtrace {
2949 3711
2950 # limit the # of concurrent backtraces 3712 # limit the # of concurrent backtraces
2951 if ($_log_backtrace < 2) { 3713 if ($_log_backtrace < 2) {
2952 ++$_log_backtrace; 3714 ++$_log_backtrace;
2953 async { 3715 async {
3716 $Coro::current->{desc} = "abt $msg";
3717
2954 my @bt = fork_call { 3718 my @bt = fork_call {
2955 @addr = map { sprintf "%x", $_ } @addr; 3719 @addr = map { sprintf "%x", $_ } @addr;
2956 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3720 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3721 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958 or die "addr2line: $!"; 3722 or die "addr2line: $!";

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