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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 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 $guard = cf::lock_acquire "write_runtime";
373 519
374 my $runtime = "$LOCALDIR/runtime"; 520Executes the given code block with the given arguments in a seperate
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.
375 524
376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 525=cut
377 or return;
378 526
379 my $value = $cf::RUNTIME + 90 + 10; 527sub fork_call(&@) {
380 # 10 is the runtime save interval, for a monotonic clock 528 my ($cb, @args) = @_;
381 # 60 allows for the watchdog to kill the server.
382 529
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 530 # we seemingly have to make a local copy of the whole thing,
384 and return; 531 # otherwise perl prematurely frees the stuff :/
532 # TODO: investigate and fix (likely this will be rather laborious)
385 533
386 # always fsync - this file is important 534 my @res = Coro::Util::fork_eval {
387 aio_fsync $fh 535 reset_signals;
388 and return; 536 &$cb
537 }, @args;
389 538
390 close $fh 539 wantarray ? @res : $res[-1]
391 or return; 540}
392 541
393 aio_rename "$runtime~", $runtime 542=item $value = cf::db_get $family => $key
394 and return;
395 543
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 $!;
569 };
570 cf::cleanup "db_open(db): $@" if $@;
571
572 $db
573}
574
575our $DB;
576
577sub db_init {
578 cf::sync_job {
579 $DB ||= db_table "db";
580 };
581}
582
583sub db_get($$) {
584 my $key = "$_[0]/$_[1]";
585
586 cf::sync_job {
587 BDB::db_get $DB, undef, $key, my $data;
588
589 $! ? ()
590 : $data
396 1 591 }
592}
593
594sub db_put($$$) {
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"
397} 667}
398 668
399=item cf::datalog type => key => value, ... 669=item cf::datalog type => key => value, ...
400 670
401Log 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.
… …
419attach callbacks/event handlers (a collection of which is called an "attachment") 689attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 690to it. All such attachable objects support the following methods.
421 691
422In 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>
423C<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
424crossfire+). 694Deliantra).
425 695
426=over 4 696=over 4
427 697
428=item $attachable->attach ($attachment, key => $value...) 698=item $attachable->attach ($attachment, key => $value...)
429 699
… …
592 $registry = $CB_TYPE[$object_type] ||= []; 862 $registry = $CB_TYPE[$object_type] ||= [];
593 863
594 } elsif ($type eq "subtype") { 864 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 865 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 866 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 867 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 868
599 } elsif ($type eq "package") { 869 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 870 my $pkg = shift @arg;
601 871
602 while (my ($name, $id) = each %cb_id) { 872 while (my ($name, $id) = each %cb_id) {
… …
631 _attach $registry, $klass, @attach; 901 _attach $registry, $klass, @attach;
632 } 902 }
633 903
634 $obj->{$name} = \%arg; 904 $obj->{$name} = \%arg;
635 } else { 905 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 906 warn "object uses attachment '$name' which is not available, postponing.\n";
637 } 907 }
638 908
639 $obj->{_attachment}{$name} = undef; 909 $obj->{_attachment}{$name} = undef;
640} 910}
641 911
… …
643 if (ref $_[0]) { 913 if (ref $_[0]) {
644 _object_attach @_; 914 _object_attach @_;
645 } else { 915 } else {
646 _attach shift->_attach_registry, @_; 916 _attach shift->_attach_registry, @_;
647 } 917 }
918 _recalc_want;
648}; 919};
649 920
650# all those should be optimised 921# all those should be optimised
651sub cf::attachable::detach { 922sub cf::attachable::detach {
652 my ($obj, $name) = @_; 923 my ($obj, $name) = @_;
… …
655 delete $obj->{_attachment}{$name}; 926 delete $obj->{_attachment}{$name};
656 reattach ($obj); 927 reattach ($obj);
657 } else { 928 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 929 Carp::croak "cannot, currently, detach class attachments";
659 } 930 }
931 _recalc_want;
660}; 932};
661 933
662sub cf::attachable::attached { 934sub cf::attachable::attached {
663 my ($obj, $name) = @_; 935 my ($obj, $name) = @_;
664 936
… …
679 "; 951 ";
680 die if $@; 952 die if $@;
681} 953}
682 954
683our $override; 955our $override;
684our @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?
685 957
686sub override { 958sub override {
687 $override = 1; 959 $override = 1;
688 @invoke_results = (); 960 @INVOKE_RESULTS = (@_);
689} 961}
690 962
691sub do_invoke { 963sub do_invoke {
692 my $event = shift; 964 my $event = shift;
693 my $callbacks = shift; 965 my $callbacks = shift;
694 966
695 @invoke_results = (); 967 @INVOKE_RESULTS = ();
696 968
697 local $override; 969 local $override;
698 970
699 for (@$callbacks) { 971 for (@$callbacks) {
700 eval { &{$_->[1]} }; 972 eval { &{$_->[1]} };
… …
709 } 981 }
710 982
711 0 983 0
712} 984}
713 985
714=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 986=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715 987
716=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 988=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717 989
718Generate an object-specific event with the given arguments. 990Generate an object-specific event with the given arguments.
719 991
720This 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
721removed 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
722results (if you must, access C<@cf::invoke_results> directly). 994results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 995
724=back 996=back
725 997
726=cut 998=cut
727 999
728############################################################################# 1000#############################################################################
729# 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, $ob2
1043}
730 1044
731sub reattach { 1045sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1046 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1047 my ($obj) = @_;
734 1048
… …
755cf::attachable->attach ( 1069cf::attachable->attach (
756 prio => -1000000, 1070 prio => -1000000,
757 on_instantiate => sub { 1071 on_instantiate => sub {
758 my ($obj, $data) = @_; 1072 my ($obj, $data) = @_;
759 1073
760 $data = from_json $data; 1074 $data = decode_json $data;
761 1075
762 for (@$data) { 1076 for (@$data) {
763 my ($name, $args) = @$_; 1077 my ($name, $args) = @$_;
764 1078
765 $obj->attach ($name, %{$args || {} }); 1079 $obj->attach ($name, %{$args || {} });
… …
781sub object_freezer_save { 1095sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1096 my ($filename, $rdata, $objs) = @_;
783 1097
784 sync_job { 1098 sync_job {
785 if (length $$rdata) { 1099 if (length $$rdata) {
1100 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1101 warn sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1102 $decname, length $$rdata, scalar @$objs;
788 1103
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1104 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1105 chmod SAVE_MODE, $fh;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1106 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 aio_fsync $fh if $cf::USE_FSYNC; 1107 aio_fsync $fh if $cf::USE_FSYNC;
793 close $fh; 1108 close $fh;
794 1109
795 if (@$objs) { 1110 if (@$objs) {
796 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) {
797 chmod SAVE_MODE, $fh; 1112 chmod SAVE_MODE, $fh;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1113 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1114 aio_write $fh, 0, (length $data), $data, 0;
800 aio_fsync $fh if $cf::USE_FSYNC; 1115 aio_fsync $fh if $cf::USE_FSYNC;
801 close $fh; 1116 close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1117 aio_rename "$filename.pst~", "$filename.pst";
803 } 1118 }
… …
811 } 1126 }
812 } else { 1127 } else {
813 aio_unlink $filename; 1128 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1129 aio_unlink "$filename.pst";
815 } 1130 }
816 } 1131 };
817} 1132}
818 1133
819sub object_freezer_as_string { 1134sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1135 my ($rdata, $objs) = @_;
821 1136
… …
833 or return; 1148 or return;
834 1149
835 unless (aio_stat "$filename.pst") { 1150 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1151 (aio_load "$filename.pst", $av) >= 0
837 or return; 1152 or return;
1153
838 $av = eval { (Storable::thaw $av)->{objs} }; 1154 my $st = eval { Coro::Storable::thaw $av };
1155 $av = $st->{objs};
839 } 1156 }
840 1157
1158 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1159 warn sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1160 $decname, length $data, scalar @{$av || []};
1161
843 return ($data, $av); 1162 ($data, $av)
844} 1163}
1164
1165=head2 COMMAND CALLBACKS
1166
1167=over 4
1168
1169=cut
845 1170
846############################################################################# 1171#############################################################################
847# command handling &c 1172# command handling &c
848 1173
849=item cf::register_command $name => \&callback($ob,$args); 1174=item cf::register_command $name => \&callback($ob,$args);
… …
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1187 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1188}
864 1189
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1190=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1191
867Register 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.
868 1197
869If 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
870called. 1199called.
871 1200
1201=item cf::register_exticmd $name => \&callback($ns,$packet);
1202
1203Register a callback for execution when the client sends an (asynchronous)
1204exticmd packet. Exti commands are processed by the server as soon as they
1205are received, i.e. out of order w.r.t. other commands. The first argument
1206is a client socket. Exti commands can be received anytime, even before
1207log-in.
1208
1209If the callback returns something, it is sent back as if reply was being
1210called.
1211
872=cut 1212=cut
873 1213
874sub register_extcmd { 1214sub register_extcmd {
875 my ($name, $cb) = @_; 1215 my ($name, $cb) = @_;
876 1216
877 $EXTCMD{$name} = $cb; 1217 $EXTCMD{$name} = $cb;
1218}
1219
1220sub register_exticmd {
1221 my ($name, $cb) = @_;
1222
1223 $EXTICMD{$name} = $cb;
878} 1224}
879 1225
880cf::player->attach ( 1226cf::player->attach (
881 on_command => sub { 1227 on_command => sub {
882 my ($pl, $name, $params) = @_; 1228 my ($pl, $name, $params) = @_;
… …
891 cf::override; 1237 cf::override;
892 }, 1238 },
893 on_extcmd => sub { 1239 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1240 my ($pl, $buf) = @_;
895 1241
896 my $msg = eval { from_json $buf }; 1242 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1243
898 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
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1252 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1253 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1254 }
1255
1256 $pl->ext_reply ($reply, @reply)
1257 if $reply;
1258
904 } else { 1259 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1260 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1261 }
907 1262
908 cf::override; 1263 cf::override;
909 }, 1264 },
910); 1265);
911 1266
912sub load_extension {
913 my ($path) = @_;
914
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
916 my $base = $1;
917 my $pkg = $1;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 }
940 die $@;
941 }
942
943 push @EXTS, $pkg;
944}
945
946sub load_extensions { 1267sub load_extensions {
1268 cf::sync_job {
1269 my %todo;
1270
947 for my $ext (<$LIBDIR/*.ext>) { 1271 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1272 next unless -r $path;
949 eval { 1273
950 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 cf::cleanup "mandatory extension failed to load, exiting.";
1322 }
1323
1324 warn $msg;
1325 }
1326
1327 $done{$k} = delete $todo{$k};
1328 push @EXTS, $v->{pkg};
1329 $progress = 1;
951 1 1330 }
952 } or warn "$ext not loaded: $@"; 1331
1332 skip:
1333 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1334 unless $progress;
1335 }
953 } 1336 };
954} 1337}
955 1338
956############################################################################# 1339#############################################################################
957 1340
1341=back
1342
958=head2 CORE EXTENSIONS 1343=head2 CORE EXTENSIONS
959 1344
960Functions and methods that extend core crossfire objects. 1345Functions and methods that extend core crossfire objects.
961 1346
962=cut 1347=cut
… …
966use Coro::AIO; 1351use Coro::AIO;
967 1352
968=head3 cf::player 1353=head3 cf::player
969 1354
970=over 4 1355=over 4
1356
1357=item cf::player::num_playing
1358
1359Returns the official number of playing players, as per the Crossfire metaserver rules.
1360
1361=cut
1362
1363sub num_playing {
1364 scalar grep
1365 $_->ob->map
1366 && !$_->hidden
1367 && !$_->ob->flag (cf::FLAG_WIZ),
1368 cf::player::list
1369}
971 1370
972=item cf::player::find $login 1371=item cf::player::find $login
973 1372
974Returns the given player object, loading it if necessary (might block). 1373Returns the given player object, loading it if necessary (might block).
975 1374
… …
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1410 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1411 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1412 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1413 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1414
1016 my $pl = load_pl path $login 1415 my $f = new_from_file cf::object::thawer path $login
1017 or return; 1416 or return;
1417
1418 my $pl = cf::player::load_pl $f
1419 or return;
1420 local $cf::PLAYER_LOADING{$login} = $pl;
1421 $f->resolve_delayed_derefs;
1018 $cf::PLAYER{$login} = $pl 1422 $cf::PLAYER{$login} = $pl
1019 } 1423 }
1020 } 1424 }
1021} 1425}
1022 1426
… …
1032 1436
1033 aio_mkdir playerdir $pl, 0770; 1437 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1438 $pl->{last_save} = $cf::RUNTIME;
1035 1439
1036 $pl->save_pl ($path); 1440 $pl->save_pl ($path);
1037 Coro::cede; 1441 cf::cede_to_tick;
1038} 1442}
1039 1443
1040sub new($) { 1444sub new($) {
1041 my ($login) = @_; 1445 my ($login) = @_;
1042 1446
… …
1046 $self->{deny_save} = 1; 1450 $self->{deny_save} = 1;
1047 1451
1048 $cf::PLAYER{$login} = $self; 1452 $cf::PLAYER{$login} = $self;
1049 1453
1050 $self 1454 $self
1455}
1456
1457=item $player->send_msg ($channel, $msg, $color, [extra...])
1458
1459=cut
1460
1461sub send_msg {
1462 my $ns = shift->ns
1463 or return;
1464 $ns->send_msg (@_);
1051} 1465}
1052 1466
1053=item $pl->quit_character 1467=item $pl->quit_character
1054 1468
1055Nukes the player without looking back. If logged in, the connection will 1469Nukes the player without looking back. If logged in, the connection will
… …
1110 or return []; 1524 or return [];
1111 1525
1112 my @logins; 1526 my @logins;
1113 1527
1114 for my $login (@$dirs) { 1528 for my $login (@$dirs) {
1529 my $path = path $login;
1530
1531 # a .pst is a dead give-away for a valid player
1532 unless (-e "$path.pst") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1533 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1534 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1535 $buf !~ /^password -------------$/m or next; # official not-valid tag
1536 }
1118 1537
1119 utf8::decode $login; 1538 utf8::decode $login;
1120 push @logins, $login; 1539 push @logins, $login;
1121 } 1540 }
1122 1541
… …
1149 } 1568 }
1150 1569
1151 \@paths 1570 \@paths
1152} 1571}
1153 1572
1573=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1574
1575Expand crossfire pod fragments into protocol xml.
1576
1577=cut
1578
1579use re 'eval';
1580
1581my $group;
1582my $interior; $interior = qr{
1583 # match a pod interior sequence sans C<< >>
1584 (?:
1585 \ (.*?)\ (?{ $group = $^N })
1586 | < (??{$interior}) >
1587 )
1588}x;
1589
1590sub expand_cfpod {
1591 my ($self, $pod) = @_;
1592
1593 my $xml;
1594
1595 while () {
1596 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1597 $group = $1;
1598
1599 $group =~ s/&/&amp;/g;
1600 $group =~ s/</&lt;/g;
1601
1602 $xml .= $group;
1603 } elsif ($pod =~ m%\G
1604 ([BCGHITU])
1605 <
1606 (?:
1607 ([^<>]*) (?{ $group = $^N })
1608 | < $interior >
1609 )
1610 >
1611 %gcsx
1612 ) {
1613 my ($code, $data) = ($1, $group);
1614
1615 if ($code eq "B") {
1616 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1617 } elsif ($code eq "I") {
1618 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1619 } elsif ($code eq "U") {
1620 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1621 } elsif ($code eq "C") {
1622 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1623 } elsif ($code eq "T") {
1624 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1625 } elsif ($code eq "G") {
1626 my ($male, $female) = split /\|/, $data;
1627 $data = $self->gender ? $female : $male;
1628 $xml .= expand_cfpod ($self, $data);
1629 } elsif ($code eq "H") {
1630 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1631 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1632 "")
1633 [$self->{hintmode}];
1634 } else {
1635 $xml .= "error processing '$code($data)' directive";
1636 }
1637 } else {
1638 if ($pod =~ /\G(.+)/) {
1639 warn "parse error while expanding $pod (at $1)";
1640 }
1641 last;
1642 }
1643 }
1644
1645 for ($xml) {
1646 # create single paragraphs (very hackish)
1647 s/(?<=\S)\n(?=\w)/ /g;
1648
1649 # compress some whitespace
1650 s/\s+\n/\n/g; # ws line-ends
1651 s/\n\n+/\n/g; # double lines
1652 s/^\n+//; # beginning lines
1653 s/\n+$//; # ending lines
1654 }
1655
1656 $xml
1657}
1658
1659no re 'eval';
1660
1661sub hintmode {
1662 $_[0]{hintmode} = $_[1] if @_ > 1;
1663 $_[0]{hintmode}
1664}
1665
1154=item $player->ext_reply ($msgid, %msg) 1666=item $player->ext_reply ($msgid, @msg)
1155 1667
1156Sends an ext reply to the player. 1668Sends an ext reply to the player.
1157 1669
1158=cut 1670=cut
1159 1671
1160sub ext_reply($$%) { 1672sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1673 my ($self, $id, @msg) = @_;
1162 1674
1163 $msg{msgid} = $id; 1675 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1676}
1167 1677
1168=item $player->ext_event ($type, %msg) 1678=item $player->ext_msg ($type, @msg)
1169 1679
1170Sends an ext event to the client. 1680Sends an ext event to the client.
1171 1681
1172=cut 1682=cut
1173 1683
1174sub ext_event($$%) { 1684sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1685 my ($self, $type, @msg) = @_;
1176 1686
1177 $self->ns->ext_event ($type, %msg); 1687 $self->ns->ext_msg ($type, @msg);
1178} 1688}
1179 1689
1180=head3 cf::region 1690=head3 cf::region
1181 1691
1182=over 4 1692=over 4
… …
1185 1695
1186package cf::region; 1696package cf::region;
1187 1697
1188=item cf::region::find_by_path $path 1698=item cf::region::find_by_path $path
1189 1699
1190Tries to decuce the probable region for a map knowing only its path. 1700Tries to decuce the likely region for a map knowing only its path.
1191 1701
1192=cut 1702=cut
1193 1703
1194sub find_by_path($) { 1704sub find_by_path($) {
1195 my ($path) = @_; 1705 my ($path) = @_;
1196 1706
1197 my ($match, $specificity); 1707 my ($match, $specificity);
1198 1708
1199 for my $region (list) { 1709 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1710 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1711 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1712 if $region->specificity > $specificity;
1203 } 1713 }
1204 } 1714 }
1205 1715
… …
1269 my ($self, $merge) = @_; 1779 my ($self, $merge) = @_;
1270 1780
1271 # we have to keep some variables in memory intact 1781 # we have to keep some variables in memory intact
1272 local $self->{path}; 1782 local $self->{path};
1273 local $self->{load_path}; 1783 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1784
1277 $self->SUPER::thawer_merge ($merge); 1785 $self->SUPER::thawer_merge ($merge);
1278} 1786}
1279 1787
1280sub normalise { 1788sub normalise {
… …
1327 $self->init; # pass $1 etc. 1835 $self->init; # pass $1 etc.
1328 return $self; 1836 return $self;
1329 } 1837 }
1330 } 1838 }
1331 1839
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1840 Carp::cluck "unable to resolve path '$path' (base '$base').";
1333 () 1841 ()
1334} 1842}
1335 1843
1336sub init { 1844sub init {
1337 my ($self) = @_; 1845 my ($self) = @_;
… …
1380 1888
1381 $_->change_map_light ($change) 1889 $_->change_map_light ($change)
1382 for grep $_->outdoor, values %cf::MAP; 1890 for grep $_->outdoor, values %cf::MAP;
1383} 1891}
1384 1892
1893sub decay_objects {
1894 my ($self) = @_;
1895
1896 return if $self->{deny_reset};
1897
1898 $self->do_decay_objects;
1899}
1900
1385sub unlink_save { 1901sub unlink_save {
1386 my ($self) = @_; 1902 my ($self) = @_;
1387 1903
1388 utf8::encode (my $save = $self->save_path); 1904 utf8::encode (my $save = $self->save_path);
1389 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1905 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1392 1908
1393sub load_header_from($) { 1909sub load_header_from($) {
1394 my ($self, $path) = @_; 1910 my ($self, $path) = @_;
1395 1911
1396 utf8::encode $path; 1912 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 1913 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 1914 or return;
1915
1916 $self->_load_header ($f)
1917 or return;
1918
1919 local $MAP_LOADING{$self->{path}} = $self;
1920 $f->resolve_delayed_derefs;
1402 1921
1403 $self->{load_path} = $path; 1922 $self->{load_path} = $path;
1404 1923
1405 1 1924 1
1406} 1925}
… …
1445 $self->load_header_orig 1964 $self->load_header_orig
1446 or return; 1965 or return;
1447 $self->prepare_orig; 1966 $self->prepare_orig;
1448 } 1967 }
1449 1968
1969 $self->{deny_reset} = 1
1970 if $self->no_reset;
1971
1450 $self->default_region (cf::region::find_by_path $self->{path}) 1972 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 1973 unless $self->default_region;
1452 1974
1453 1 1975 1
1454} 1976}
… …
1457sub find { 1979sub find {
1458 my ($path, $origin) = @_; 1980 my ($path, $origin) = @_;
1459 1981
1460 $path = normalise $path, $origin && $origin->path; 1982 $path = normalise $path, $origin && $origin->path;
1461 1983
1984 cf::lock_wait "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 1985 cf::lock_wait "map_find:$path";
1463 1986
1464 $cf::MAP{$path} || do { 1987 $cf::MAP{$path} || do {
1465 my $guard = cf::lock_acquire "map_find:$path"; 1988 my $guard1 = cf::lock_acquire "map_find:$path";
1989 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1990
1466 my $map = new_from_path cf::map $path 1991 my $map = new_from_path cf::map $path
1467 or return; 1992 or return;
1468 1993
1469 $map->{last_save} = $cf::RUNTIME; 1994 $map->{last_save} = $cf::RUNTIME;
1470 1995
1471 $map->load_header 1996 $map->load_header
1472 or return; 1997 or return;
1473 1998
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1999 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2000 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2001 #$cf::WAIT_FOR_TICK->wait;
2002 undef $guard1;
2003 undef $guard2;
1477 $map->reset; 2004 $map->reset;
1478 undef $guard;
1479 return find $path; 2005 return find $path;
1480 } 2006 }
1481 2007
1482 $cf::MAP{$path} = $map 2008 $cf::MAP{$path} = $map
1483 } 2009 }
… …
1492 local $self->{deny_reset} = 1; # loading can take a long time 2018 local $self->{deny_reset} = 1; # loading can take a long time
1493 2019
1494 my $path = $self->{path}; 2020 my $path = $self->{path};
1495 2021
1496 { 2022 {
1497 my $guard = cf::lock_acquire "map_load:$path"; 2023 my $guard = cf::lock_acquire "map_data:$path";
1498 2024
2025 return unless $self->valid;
1499 return if $self->in_memory != cf::MAP_SWAPPED; 2026 return unless $self->in_memory == cf::MAP_SWAPPED;
1500 2027
1501 $self->in_memory (cf::MAP_LOADING); 2028 $self->in_memory (cf::MAP_LOADING);
1502 2029
1503 $self->alloc; 2030 $self->alloc;
1504 2031
1505 $self->pre_load; 2032 $self->pre_load;
1506 Coro::cede; 2033 cf::cede_to_tick;
1507 2034
2035 my $f = new_from_file cf::object::thawer $self->{load_path};
2036 $f->skip_block;
1508 $self->_load_objects ($self->{load_path}, 1) 2037 $self->_load_objects ($f)
1509 or return; 2038 or return;
1510 2039
1511 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2040 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512 if delete $self->{load_original}; 2041 if delete $self->{load_original};
1513 2042
1514 if (my $uniq = $self->uniq_path) { 2043 if (my $uniq = $self->uniq_path) {
1515 utf8::encode $uniq; 2044 utf8::encode $uniq;
1516 if (aio_open $uniq, O_RDONLY, 0) { 2045 unless (aio_stat $uniq) {
2046 if (my $f = new_from_file cf::object::thawer $uniq) {
1517 $self->clear_unique_items; 2047 $self->clear_unique_items;
1518 $self->_load_objects ($uniq, 0); 2048 $self->_load_objects ($f);
2049 $f->resolve_delayed_derefs;
2050 }
1519 } 2051 }
1520 } 2052 }
1521 2053
1522 Coro::cede; 2054 $f->resolve_delayed_derefs;
2055
2056 cf::cede_to_tick;
1523 # now do the right thing for maps 2057 # now do the right thing for maps
1524 $self->link_multipart_objects; 2058 $self->link_multipart_objects;
1525 $self->difficulty ($self->estimate_difficulty) 2059 $self->difficulty ($self->estimate_difficulty)
1526 unless $self->difficulty; 2060 unless $self->difficulty;
1527 Coro::cede; 2061 cf::cede_to_tick;
1528 2062
1529 unless ($self->{deny_activate}) { 2063 unless ($self->{deny_activate}) {
1530 $self->decay_objects; 2064 $self->decay_objects;
1531 $self->fix_auto_apply; 2065 $self->fix_auto_apply;
1532 $self->update_buttons; 2066 $self->update_buttons;
1533 Coro::cede; 2067 cf::cede_to_tick;
1534 $self->set_darkness_map; 2068 $self->set_darkness_map;
1535 Coro::cede; 2069 cf::cede_to_tick;
1536 $self->activate; 2070 $self->activate;
1537 } 2071 }
1538 2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
2075
1539 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_IN_MEMORY);
1540
1541 undef $guard;
1542 } 2077 }
1543 2078
1544 $self->post_load; 2079 $self->post_load;
1545} 2080}
1546 2081
… …
1548 my ($self, $ob) = @_; 2083 my ($self, $ob) = @_;
1549 2084
1550 return find "~" . $ob->name . "/" . $self->{path} 2085 return find "~" . $ob->name . "/" . $self->{path}
1551 if $self->per_player; 2086 if $self->per_player;
1552 2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
1553 $self 2091 $self
1554} 2092}
1555 2093
1556# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1557sub load_diag { 2095sub load_neighbours {
1558 my ($map) = @_; 2096 my ($map) = @_;
1559 2097
1560 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1561 2099
1562 for (0 .. 3) { 2100 for (0 .. 3) {
1563 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1564 or next; 2102 or next;
1565 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1566 or next; 2104 or next;
1567 $neigh->load; 2105 $neigh->load;
1568 2106
2107 push @neigh,
1569 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1570 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1571 } 2110 }
1572 2111
1573 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1574 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1575 or next; 2115 or next;
1576 $neigh->load; 2116 $neigh->load;
1577 } 2117 }
1578} 2118}
1579 2119
… …
1584} 2124}
1585 2125
1586sub do_load_sync { 2126sub do_load_sync {
1587 my ($map) = @_; 2127 my ($map) = @_;
1588 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1589 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1590} 2133}
1591 2134
1592our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1593our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1594 2137
1595sub find_async { 2138sub find_async {
1596 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1597 2140
1598 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1599 2142
1600 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1601 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1602 } 2145 }
1603 2146
1604 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1605 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1606 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1607 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1608 my $map = find $path 2154 if (my $map = find $k) {
1609 or next;
1610 $map->load; 2155 $map->load if $v;
2156 }
1611 2157
1612 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1613 } 2159 }
1614 } 2160 }
1615 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1616 }; 2162 };
1617 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
… …
1620} 2166}
1621 2167
1622sub save { 2168sub save {
1623 my ($self) = @_; 2169 my ($self) = @_;
1624 2170
1625 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1626 2172
1627 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1628 2174
1629 return unless $self->dirty; 2175 return unless $self->dirty;
1630 2176
… …
1636 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1637 2183
1638 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1639 2185
1640 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1641 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1642 }; 2189 };
1643 2190
1644 if ($uniq) { 2191 if ($uniq) {
1645 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2192 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
… …
1653 my ($self) = @_; 2200 my ($self) = @_;
1654 2201
1655 # save first because save cedes 2202 # save first because save cedes
1656 $self->save; 2203 $self->save;
1657 2204
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2205 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2206
1660 return if $self->players; 2207 return if $self->players;
1661 return if $self->in_memory != cf::MAP_IN_MEMORY; 2208 return if $self->in_memory != cf::MAP_IN_MEMORY;
1662 return if $self->{deny_save}; 2209 return if $self->{deny_save};
1663 2210
2211 $self->in_memory (cf::MAP_SWAPPED);
2212
2213 $self->deactivate;
2214 $_->clear_links_to ($self) for values %cf::MAP;
1664 $self->clear; 2215 $self->clear;
1665 $self->in_memory (cf::MAP_SWAPPED);
1666} 2216}
1667 2217
1668sub reset_at { 2218sub reset_at {
1669 my ($self) = @_; 2219 my ($self) = @_;
1670 2220
1671 # TODO: safety, remove and allow resettable per-player maps 2221 # TODO: safety, remove and allow resettable per-player maps
1672 return 1e99 if $self->isa ("ext::map_per_player");#d#
1673 return 1e99 if $self->{deny_reset}; 2222 return 1e99 if $self->{deny_reset};
1674 2223
1675 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2224 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2225 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677 2226
… …
1688 my ($self) = @_; 2237 my ($self) = @_;
1689 2238
1690 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2239 my $lock = cf::lock_acquire "map_data:$self->{path}";
1691 2240
1692 return if $self->players; 2241 return if $self->players;
1693 return if $self->isa ("ext::map_per_player");#d#
1694 2242
1695 warn "resetting map ", $self->path;#d# 2243 warn "resetting map ", $self->path;
1696 2244
1697 $self->in_memory (cf::MAP_SWAPPED); 2245 $self->in_memory (cf::MAP_SWAPPED);
1698 2246
1699 # need to save uniques path 2247 # need to save uniques path
1700 unless ($self->{deny_save}) { 2248 unless ($self->{deny_save}) {
… …
1704 if $uniq; 2252 if $uniq;
1705 } 2253 }
1706 2254
1707 delete $cf::MAP{$self->path}; 2255 delete $cf::MAP{$self->path};
1708 2256
2257 $self->deactivate;
2258 $_->clear_links_to ($self) for values %cf::MAP;
1709 $self->clear; 2259 $self->clear;
1710
1711 $_->clear_links_to ($self) for values %cf::MAP;
1712 2260
1713 $self->unlink_save; 2261 $self->unlink_save;
1714 $self->destroy; 2262 $self->destroy;
1715} 2263}
1716 2264
1717my $nuke_counter = "aaaa"; 2265my $nuke_counter = "aaaa";
1718 2266
1719sub nuke { 2267sub nuke {
1720 my ($self) = @_; 2268 my ($self) = @_;
1721 2269
2270 {
2271 my $lock = cf::lock_acquire "map_data:$self->{path}";
2272
1722 delete $cf::MAP{$self->path}; 2273 delete $cf::MAP{$self->path};
1723 2274
1724 $self->unlink_save; 2275 $self->unlink_save;
1725 2276
1726 bless $self, "cf::map"; 2277 bless $self, "cf::map";
1727 delete $self->{deny_reset}; 2278 delete $self->{deny_reset};
1728 $self->{deny_save} = 1; 2279 $self->{deny_save} = 1;
1729 $self->reset_timeout (1); 2280 $self->reset_timeout (1);
1730 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2281 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731 2282
1732 $cf::MAP{$self->path} = $self; 2283 $cf::MAP{$self->path} = $self;
2284 }
1733 2285
1734 $self->reset; # polite request, might not happen 2286 $self->reset; # polite request, might not happen
2287}
2288
2289=item $maps = cf::map::tmp_maps
2290
2291Returns an arrayref with all map paths of currently instantiated and saved
2292maps. May block.
2293
2294=cut
2295
2296sub tmp_maps() {
2297 [
2298 map {
2299 utf8::decode $_;
2300 /\.map$/
2301 ? normalise $_
2302 : ()
2303 } @{ aio_readdir $TMPDIR or [] }
2304 ]
2305}
2306
2307=item $maps = cf::map::random_maps
2308
2309Returns an arrayref with all map paths of currently instantiated and saved
2310random maps. May block.
2311
2312=cut
2313
2314sub random_maps() {
2315 [
2316 map {
2317 utf8::decode $_;
2318 /\.map$/
2319 ? normalise "?random/$_"
2320 : ()
2321 } @{ aio_readdir $RANDOMDIR or [] }
2322 ]
1735} 2323}
1736 2324
1737=item cf::map::unique_maps 2325=item cf::map::unique_maps
1738 2326
1739Returns an arrayref of paths of all shared maps that have 2327Returns an arrayref of paths of all shared maps that have
1740instantiated unique items. May block. 2328instantiated unique items. May block.
1741 2329
1742=cut 2330=cut
1743 2331
1744sub unique_maps() { 2332sub unique_maps() {
1745 my $files = aio_readdir $UNIQUEDIR 2333 [
1746 or return; 2334 map {
1747
1748 my @paths;
1749
1750 for (@$files) {
1751 utf8::decode $_; 2335 utf8::decode $_;
1752 next if /\.pst$/; 2336 /\.map$/
1753 next unless /^$PATH_SEP/o; 2337 ? normalise $_
1754 2338 : ()
1755 push @paths, cf::map::normalise $_; 2339 } @{ aio_readdir $UNIQUEDIR or [] }
1756 } 2340 ]
1757
1758 \@paths
1759} 2341}
1760 2342
1761package cf; 2343package cf;
1762 2344
1763=back 2345=back
… …
1781 map { $_, inv_recursive_ $_->inv } @_ 2363 map { $_, inv_recursive_ $_->inv } @_
1782} 2364}
1783 2365
1784sub inv_recursive { 2366sub inv_recursive {
1785 inv_recursive_ inv $_[0] 2367 inv_recursive_ inv $_[0]
2368}
2369
2370=item $ref = $ob->ref
2371
2372creates and returns a persistent reference to an objetc that can be stored as a string.
2373
2374=item $ob = cf::object::deref ($refstring)
2375
2376returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2377even if the object actually exists. May block.
2378
2379=cut
2380
2381sub deref {
2382 my ($ref) = @_;
2383
2384 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2385 my ($uuid, $name) = ($1, $2);
2386 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2387 or return;
2388 $pl->ob->uuid eq $uuid
2389 or return;
2390
2391 $pl->ob
2392 } else {
2393 warn "$ref: cannot resolve object reference\n";
2394 undef
2395 }
1786} 2396}
1787 2397
1788package cf; 2398package cf;
1789 2399
1790=back 2400=back
… …
1809 2419
1810 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2420 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811 2421
1812 if ($self->{record_replies}) { 2422 if ($self->{record_replies}) {
1813 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2423 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2424
1814 } else { 2425 } else {
2426 my $pl = $self->contr;
2427
2428 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2429 my $dialog = $pl->{npc_dialog};
2430 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2431
2432 } else {
1815 $msg = $npc->name . " says: $msg" if $npc; 2433 $msg = $npc->name . " says: $msg" if $npc;
1816 $self->message ($msg, $flags); 2434 $self->message ($msg, $flags);
2435 }
1817 } 2436 }
2437}
2438
2439=item $object->send_msg ($channel, $msg, $color, [extra...])
2440
2441=cut
2442
2443sub cf::object::send_msg {
2444 my $pl = shift->contr
2445 or return;
2446 $pl->send_msg (@_);
1818} 2447}
1819 2448
1820=item $player_object->may ("access") 2449=item $player_object->may ("access")
1821 2450
1822Returns wether the given player is authorized to access resource "access" 2451Returns wether the given player is authorized to access resource "access"
… …
1869 $self->deactivate_recursive; 2498 $self->deactivate_recursive;
1870 2499
1871 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2500 return if UNIVERSAL::isa $self->map, "ext::map_link";
1872 2501
1873 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2502 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874 if $self->map; 2503 if $self->map && $self->map->{path} ne "{link}";
1875 2504
1876 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2505 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1877} 2506}
1878 2507
1879sub cf::object::player::leave_link { 2508sub cf::object::player::leave_link {
1880 my ($self, $map, $x, $y) = @_; 2509 my ($self, $map, $x, $y) = @_;
2510
2511 return unless $self->contr->active;
1881 2512
1882 my $link_pos = delete $self->{_link_pos}; 2513 my $link_pos = delete $self->{_link_pos};
1883 2514
1884 unless ($map) { 2515 unless ($map) {
1885 # restore original map position 2516 # restore original map position
… …
1899 # use -1 or undef as default coordinates, not 0, 0 2530 # use -1 or undef as default coordinates, not 0, 0
1900 ($x, $y) = ($map->enter_x, $map->enter_y) 2531 ($x, $y) = ($map->enter_x, $map->enter_y)
1901 if $x <=0 && $y <= 0; 2532 if $x <=0 && $y <= 0;
1902 2533
1903 $map->load; 2534 $map->load;
1904 $map->load_diag; 2535 $map->load_neighbours;
1905 2536
1906 return unless $self->contr->active; 2537 return unless $self->contr->active;
1907 $self->activate_recursive; 2538 $self->activate_recursive;
1908 2539
1909 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2540 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910 $self->enter_map ($map, $x, $y); 2541 $self->enter_map ($map, $x, $y);
1911} 2542}
1912 2543
1913cf::player->attach ( 2544=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914 on_logout => sub {
1915 my ($pl) = @_;
1916 2545
1917 # abort map switching before logout 2546Moves the player to the given map-path and coordinates by first freezing
1918 if ($pl->ob->{_link_pos}) { 2547her, loading and preparing them map, calling the provided $check callback
1919 cf::sync_job { 2548that has to return the map if sucecssful, and then unfreezes the player on
1920 $pl->ob->leave_link 2549the new (success) or old (failed) map position. In either case, $done will
1921 }; 2550be called at the end of this process.
1922 }
1923 },
1924 on_login => sub {
1925 my ($pl) = @_;
1926 2551
1927 # try to abort aborted map switching on player login :)
1928 # should happen only on crashes
1929 if ($pl->ob->{_link_pos}) {
1930 $pl->ob->enter_link;
1931 (async {
1932 $pl->ob->reply (undef,
1933 "There was an internal problem at your last logout, "
1934 . "the server will try to bring you to your intended destination in a second.",
1935 cf::NDI_RED);
1936 # we need this sleep as the login has a concurrent enter_exit running
1937 # and this sleep increases chances of the player not ending up in scorn
1938 Coro::Timer::sleep 1;
1939 $pl->ob->leave_link;
1940 })->prio (2);
1941 }
1942 },
1943);
1944
1945=item $player_object->goto ($path, $x, $y)
1946
1947=cut 2552=cut
2553
2554our $GOTOGEN;
1948 2555
1949sub cf::object::player::goto { 2556sub cf::object::player::goto {
1950 my ($self, $path, $x, $y) = @_; 2557 my ($self, $path, $x, $y, $check, $done) = @_;
2558
2559 # do generation counting so two concurrent goto's will be executed in-order
2560 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951 2561
1952 $self->enter_link; 2562 $self->enter_link;
1953 2563
1954 (async { 2564 (async {
2565 $Coro::current->{desc} = "player::goto $path $x $y";
2566
2567 # *tag paths override both path and x|y
2568 if ($path =~ /^\*(.*)$/) {
2569 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2570 my $ob = $obs[rand @obs];
2571
2572 # see if we actually can go there
2573 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2574 $ob = $obs[rand @obs];
2575 } else {
2576 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2577 }
2578 # else put us there anyways for now #d#
2579
2580 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2581 } else {
2582 ($path, $x, $y) = (undef, undef, undef);
2583 }
2584 }
2585
1955 my $map = eval { 2586 my $map = eval {
1956 my $map = cf::map::find $path; 2587 my $map = defined $path ? cf::map::find $path : undef;
2588
2589 if ($map) {
1957 $map = $map->customise_for ($self) if $map; 2590 $map = $map->customise_for ($self);
2591 $map = $check->($map) if $check && $map;
2592 } else {
2593 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2594 }
2595
1958 $map 2596 $map
2597 };
2598
2599 if ($@) {
2600 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2601 LOG llevError | logBacktrace, Carp::longmess $@;
1959 } or 2602 }
1960 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961 2603
2604 if ($gen == $self->{_goto_generation}) {
2605 delete $self->{_goto_generation};
1962 $self->leave_link ($map, $x, $y); 2606 $self->leave_link ($map, $x, $y);
2607 }
2608
2609 $done->() if $done;
1963 })->prio (1); 2610 })->prio (1);
1964} 2611}
1965 2612
1966=item $player_object->enter_exit ($exit_object) 2613=item $player_object->enter_exit ($exit_object)
1967 2614
… …
2004 $rmp->{origin_y} = $exit->y; 2651 $rmp->{origin_y} = $exit->y;
2005 } 2652 }
2006 2653
2007 $rmp->{random_seed} ||= $exit->random_seed; 2654 $rmp->{random_seed} ||= $exit->random_seed;
2008 2655
2009 my $data = cf::to_json $rmp; 2656 my $data = cf::encode_json $rmp;
2010 my $md5 = Digest::MD5::md5_hex $data; 2657 my $md5 = Digest::MD5::md5_hex $data;
2011 my $meta = "$RANDOMDIR/$md5.meta"; 2658 my $meta = "$RANDOMDIR/$md5.meta";
2012 2659
2013 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2660 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2014 aio_write $fh, 0, (length $data), $data, 0; 2661 aio_write $fh, 0, (length $data), $data, 0;
… …
2036 my $hp = $exit->stats->hp; 2683 my $hp = $exit->stats->hp;
2037 my $sp = $exit->stats->sp; 2684 my $sp = $exit->stats->sp;
2038 2685
2039 $self->enter_link; 2686 $self->enter_link;
2040 2687
2688 # if exit is damned, update players death & WoR home-position
2689 $self->contr->savebed ($slaying, $hp, $sp)
2690 if $exit->flag (FLAG_DAMNED);
2691
2041 (async { 2692 (async {
2693 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2694
2042 $self->deactivate_recursive; # just to be sure 2695 $self->deactivate_recursive; # just to be sure
2043 unless (eval { 2696 unless (eval {
2044 $self->goto ($slaying, $hp, $sp); 2697 $self->goto ($slaying, $hp, $sp);
2045 2698
2046 1; 2699 1;
… …
2072 2725
2073 utf8::encode $text; 2726 utf8::encode $text;
2074 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2727 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075} 2728}
2076 2729
2730=item $client->send_msg ($channel, $msg, $color, [extra...])
2731
2732Send a drawinfo or msg packet to the client, formatting the msg for the
2733client if neccessary. C<$type> should be a string identifying the type of
2734the message, with C<log> being the default. If C<$color> is negative, suppress
2735the message unless the client supports the msg packet.
2736
2737=cut
2738
2739# non-persistent channels (usually the info channel)
2740our %CHANNEL = (
2741 "c/identify" => {
2742 id => "infobox",
2743 title => "Identify",
2744 reply => undef,
2745 tooltip => "Items recently identified",
2746 },
2747 "c/examine" => {
2748 id => "infobox",
2749 title => "Examine",
2750 reply => undef,
2751 tooltip => "Signs and other items you examined",
2752 },
2753 "c/book" => {
2754 id => "infobox",
2755 title => "Book",
2756 reply => undef,
2757 tooltip => "The contents of a note or book",
2758 },
2759 "c/lookat" => {
2760 id => "infobox",
2761 title => "Look",
2762 reply => undef,
2763 tooltip => "What you saw there",
2764 },
2765 "c/who" => {
2766 id => "infobox",
2767 title => "Players",
2768 reply => undef,
2769 tooltip => "Shows players who are currently online",
2770 },
2771 "c/body" => {
2772 id => "infobox",
2773 title => "Body Parts",
2774 reply => undef,
2775 tooltip => "Shows which body parts you posess and are available",
2776 },
2777 "c/uptime" => {
2778 id => "infobox",
2779 title => "Uptime",
2780 reply => undef,
2781 tooltip => "How long the server has been running since last restart",
2782 },
2783 "c/mapinfo" => {
2784 id => "infobox",
2785 title => "Map Info",
2786 reply => undef,
2787 tooltip => "Information related to the maps",
2788 },
2789);
2790
2791sub cf::client::send_msg {
2792 my ($self, $channel, $msg, $color, @extra) = @_;
2793
2794 $msg = $self->pl->expand_cfpod ($msg);
2795
2796 $color &= cf::NDI_CLIENT_MASK; # just in case...
2797
2798 # check predefined channels, for the benefit of C
2799 if ($CHANNEL{$channel}) {
2800 $channel = $CHANNEL{$channel};
2801
2802 $self->ext_msg (channel_info => $channel)
2803 if $self->can_msg;
2804
2805 $channel = $channel->{id};
2806
2807 } elsif (ref $channel) {
2808 # send meta info to client, if not yet sent
2809 unless (exists $self->{channel}{$channel->{id}}) {
2810 $self->{channel}{$channel->{id}} = $channel;
2811 $self->ext_msg (channel_info => $channel)
2812 if $self->can_msg;
2813 }
2814
2815 $channel = $channel->{id};
2816 }
2817
2818 return unless @extra || length $msg;
2819
2820 if ($self->can_msg) {
2821 # default colour, mask it out
2822 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2823 if $color & cf::NDI_DEF;
2824
2825 $self->send_packet ("msg " . $self->{json_coder}->encode (
2826 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2827 } else {
2828 if ($color >= 0) {
2829 # replace some tags by gcfclient-compatible ones
2830 for ($msg) {
2831 1 while
2832 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2833 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2834 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2835 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2836 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2837 }
2838
2839 $color &= cf::NDI_COLOR_MASK;
2840
2841 utf8::encode $msg;
2842
2843 if (0 && $msg =~ /\[/) {
2844 # COMMAND/INFO
2845 $self->send_packet ("drawextinfo $color 10 8 $msg")
2846 } else {
2847 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2848 $self->send_packet ("drawinfo $color $msg")
2849 }
2850 }
2851 }
2852}
2853
2077=item $client->ext_event ($type, %msg) 2854=item $client->ext_msg ($type, @msg)
2078 2855
2079Sends an exti event to the client. 2856Sends an ext event to the client.
2080 2857
2081=cut 2858=cut
2082 2859
2083sub cf::client::ext_event($$%) { 2860sub cf::client::ext_msg($$@) {
2084 my ($self, $type, %msg) = @_; 2861 my ($self, $type, @msg) = @_;
2085 2862
2863 if ($self->extcmd == 2) {
2864 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2865 } elsif ($self->extcmd == 1) { # TODO: remove
2086 $msg{msgtype} = "event_$type"; 2866 push @msg, msgtype => "event_$type";
2087 $self->send_packet ("ext " . cf::to_json \%msg); 2867 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2868 }
2869}
2870
2871=item $client->ext_reply ($msgid, @msg)
2872
2873Sends an ext reply to the client.
2874
2875=cut
2876
2877sub cf::client::ext_reply($$@) {
2878 my ($self, $id, @msg) = @_;
2879
2880 if ($self->extcmd == 2) {
2881 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2882 } elsif ($self->extcmd == 1) {
2883 #TODO: version 1, remove
2884 unshift @msg, msgtype => "reply", msgid => $id;
2885 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2886 }
2088} 2887}
2089 2888
2090=item $success = $client->query ($flags, "text", \&cb) 2889=item $success = $client->query ($flags, "text", \&cb)
2091 2890
2092Queues a query to the client, calling the given callback with 2891Queues a query to the client, calling the given callback with
2093the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2892the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2893C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095 2894
2096Queries can fail, so check the return code. Or don't, as queries will become 2895Queries can fail, so check the return code. Or don't, as queries will
2097reliable at some point in the future. 2896become reliable at some point in the future.
2098 2897
2099=cut 2898=cut
2100 2899
2101sub cf::client::query { 2900sub cf::client::query {
2102 my ($self, $flags, $text, $cb) = @_; 2901 my ($self, $flags, $text, $cb) = @_;
… …
2110 utf8::encode $text; 2909 utf8::encode $text;
2111 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2910 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112 2911
2113 $self->send_packet ($self->{query_queue}[0][0]) 2912 $self->send_packet ($self->{query_queue}[0][0])
2114 if @{ $self->{query_queue} } == 1; 2913 if @{ $self->{query_queue} } == 1;
2914
2915 1
2115} 2916}
2116 2917
2117cf::client->attach ( 2918cf::client->attach (
2919 on_connect => sub {
2920 my ($ns) = @_;
2921
2922 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2923 },
2118 on_reply => sub { 2924 on_reply => sub {
2119 my ($ns, $msg) = @_; 2925 my ($ns, $msg) = @_;
2120 2926
2121 # this weird shuffling is so that direct followup queries 2927 # this weird shuffling is so that direct followup queries
2122 # get handled first 2928 # get handled first
… …
2134 } else { 2940 } else {
2135 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2941 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136 } 2942 }
2137 } 2943 }
2138 }, 2944 },
2945 on_exticmd => sub {
2946 my ($ns, $buf) = @_;
2947
2948 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2949
2950 if (ref $msg) {
2951 my ($type, $reply, @payload) =
2952 "ARRAY" eq ref $msg
2953 ? @$msg
2954 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2955
2956 my @reply;
2957
2958 if (my $cb = $EXTICMD{$type}) {
2959 @reply = $cb->($ns, @payload);
2960 }
2961
2962 $ns->ext_reply ($reply, @reply)
2963 if $reply;
2964
2965 } else {
2966 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2967 }
2968
2969 cf::override;
2970 },
2139); 2971);
2140 2972
2141=item $client->async (\&cb) 2973=item $client->async (\&cb)
2142 2974
2143Create a new coroutine, running the specified callback. The coroutine will 2975Create a new coroutine, running the specified callback. The coroutine will
… …
2184our $safe = new Safe "safe"; 3016our $safe = new Safe "safe";
2185our $safe_hole = new Safe::Hole; 3017our $safe_hole = new Safe::Hole;
2186 3018
2187$SIG{FPE} = 'IGNORE'; 3019$SIG{FPE} = 'IGNORE';
2188 3020
2189$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3021$safe->permit_only (Opcode::opset qw(
3022 :base_core :base_mem :base_orig :base_math
3023 grepstart grepwhile mapstart mapwhile
3024 sort time
3025));
2190 3026
2191# here we export the classes and methods available to script code 3027# here we export the classes and methods available to script code
2192 3028
2193=pod 3029=pod
2194 3030
2195The following functions and methods are available within a safe environment: 3031The following functions and methods are available within a safe environment:
2196 3032
2197 cf::object contr pay_amount pay_player map 3033 cf::object
3034 contr pay_amount pay_player map x y force_find force_add destroy
3035 insert remove name archname title slaying race decrease_ob_nr
3036
2198 cf::object::player player 3037 cf::object::player
2199 cf::player peaceful 3038 player
2200 cf::map trigger 3039
3040 cf::player
3041 peaceful
3042
3043 cf::map
3044 trigger
2201 3045
2202=cut 3046=cut
2203 3047
2204for ( 3048for (
2205 ["cf::object" => qw(contr pay_amount pay_player map)], 3049 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3050 insert remove inv name archname title slaying race
3051 decrease_ob_nr destroy)],
2206 ["cf::object::player" => qw(player)], 3052 ["cf::object::player" => qw(player)],
2207 ["cf::player" => qw(peaceful)], 3053 ["cf::player" => qw(peaceful)],
2208 ["cf::map" => qw(trigger)], 3054 ["cf::map" => qw(trigger)],
2209) { 3055) {
2210 no strict 'refs'; 3056 no strict 'refs';
… …
2281=back 3127=back
2282 3128
2283=cut 3129=cut
2284 3130
2285############################################################################# 3131#############################################################################
2286
2287=head2 EXTENSION DATABASE SUPPORT
2288
2289Crossfire maintains a very simple database for extension use. It can
2290currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291convert to/from binary).
2292
2293The parameter C<$family> should best start with the name of the extension
2294using it, it should be unique.
2295
2296=over 4
2297
2298=item $value = cf::db_get $family => $key
2299
2300Returns a single value from the database.
2301
2302=item cf::db_put $family => $key => $value
2303
2304Stores the given C<$value> in the family.
2305
2306=cut
2307
2308our $DB;
2309
2310sub db_init {
2311 unless ($DB) {
2312 $DB = BDB::db_create $DB_ENV;
2313
2314 cf::sync_job {
2315 eval {
2316 $DB->set_flags (BDB::CHKSUM);
2317
2318 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320 cf::cleanup "db_open(db): $!" if $!;
2321 };
2322 cf::cleanup "db_open(db): $@" if $@;
2323 };
2324 }
2325}
2326
2327sub db_get($$) {
2328 my $key = "$_[0]/$_[1]";
2329
2330 cf::sync_job {
2331 BDB::db_get $DB, undef, $key, my $data;
2332
2333 $! ? ()
2334 : $data
2335 }
2336}
2337
2338sub db_put($$$) {
2339 BDB::dbreq_pri 4;
2340 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341}
2342
2343=item cf::cache $id => [$paths...], $processversion => $process
2344
2345Generic caching function that returns the value of the resource $id,
2346caching and regenerating as required.
2347
2348This function can block.
2349
2350=cut
2351
2352sub cache {
2353 my ($id, $src, $processversion, $process) = @_;
2354
2355 my $meta =
2356 join "\x00",
2357 $processversion,
2358 map {
2359 aio_stat $_
2360 and Carp::croak "$_: $!";
2361
2362 ($_, (stat _)[7,9])
2363 } @$src;
2364
2365 my $dbmeta = db_get cache => "$id/meta";
2366 if ($dbmeta ne $meta) {
2367 # changed, we may need to process
2368
2369 my @data;
2370 my $md5;
2371
2372 for (0 .. $#$src) {
2373 0 <= aio_load $src->[$_], $data[$_]
2374 or Carp::croak "$src->[$_]: $!";
2375 }
2376
2377 # if processing is expensive, check
2378 # checksum first
2379 if (1) {
2380 $md5 =
2381 join "\x00",
2382 $processversion,
2383 map {
2384 Coro::cede;
2385 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2386 } 0.. $#$src;
2387
2388
2389 my $dbmd5 = db_get cache => "$id/md5";
2390 if ($dbmd5 eq $md5) {
2391 db_put cache => "$id/meta", $meta;
2392
2393 return db_get cache => "$id/data";
2394 }
2395 }
2396
2397 my $t1 = Time::HiRes::time;
2398 my $data = $process->(\@data);
2399 my $t2 = Time::HiRes::time;
2400
2401 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403 db_put cache => "$id/data", $data;
2404 db_put cache => "$id/md5" , $md5;
2405 db_put cache => "$id/meta", $meta;
2406
2407 return $data;
2408 }
2409
2410 db_get cache => "$id/data"
2411}
2412
2413=item fork_call { }, $args
2414
2415Executes the given code block with the given arguments in a seperate
2416process, returning the results. Everything must be serialisable with
2417Coro::Storable. May, of course, block. Note that the executed sub may
2418never block itself or use any form of Event handling.
2419
2420=cut
2421
2422sub fork_call(&@) {
2423 my ($cb, @args) = @_;
2424
2425# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426# or die "socketpair: $!";
2427 pipe my $fh1, my $fh2
2428 or die "pipe: $!";
2429
2430 if (my $pid = fork) {
2431 close $fh2;
2432
2433 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434 $res = Coro::Storable::thaw $res;
2435
2436 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438 die $$res unless "ARRAY" eq ref $res;
2439
2440 return wantarray ? @$res : $res->[-1];
2441 } else {
2442 local $SIG{__WARN__};
2443 eval {
2444 local $SIG{__DIE__};
2445 close $fh1;
2446
2447 my @res = eval { $cb->(@args) };
2448 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449 };
2450
2451 warn $@ if $@;
2452 _exit 0;
2453 }
2454}
2455
2456
2457
2458#############################################################################
2459# the server's init and main functions 3132# the server's init and main functions
2460 3133
2461sub load_facedata($) { 3134sub load_facedata($) {
2462 my ($path) = @_; 3135 my ($path) = @_;
3136
3137 # HACK to clear player env face cache, we need some signal framework
3138 # for this (global event?)
3139 %ext::player_env::MUSIC_FACE_CACHE = ();
3140
3141 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2463 3142
2464 warn "loading facedata from $path\n"; 3143 warn "loading facedata from $path\n";
2465 3144
2466 my $facedata; 3145 my $facedata;
2467 0 < aio_load $path, $facedata 3146 0 < aio_load $path, $facedata
… …
2470 $facedata = Coro::Storable::thaw $facedata; 3149 $facedata = Coro::Storable::thaw $facedata;
2471 3150
2472 $facedata->{version} == 2 3151 $facedata->{version} == 2
2473 or cf::cleanup "$path: version mismatch, cannot proceed."; 3152 or cf::cleanup "$path: version mismatch, cannot proceed.";
2474 3153
3154 # patch in the exptable
3155 $facedata->{resource}{"res/exp_table"} = {
3156 type => FT_RSRC,
3157 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3158 };
3159 cf::cede_to_tick;
3160
2475 { 3161 {
2476 my $faces = $facedata->{faceinfo}; 3162 my $faces = $facedata->{faceinfo};
2477 3163
2478 while (my ($face, $info) = each %$faces) { 3164 while (my ($face, $info) = each %$faces) {
2479 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3165 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3166
2480 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3167 cf::face::set_visibility $idx, $info->{visibility};
3168 cf::face::set_magicmap $idx, $info->{magicmap};
2481 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3169 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3170 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483 Coro::cede; 3171
3172 cf::cede_to_tick;
2484 } 3173 }
2485 3174
2486 while (my ($face, $info) = each %$faces) { 3175 while (my ($face, $info) = each %$faces) {
2487 next unless $info->{smooth}; 3176 next unless $info->{smooth};
3177
2488 my $idx = cf::face::find $face 3178 my $idx = cf::face::find $face
2489 or next; 3179 or next;
3180
2490 if (my $smooth = cf::face::find $info->{smooth}) { 3181 if (my $smooth = cf::face::find $info->{smooth}) {
3182 cf::face::set_smooth $idx, $smooth;
2491 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3183 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492 } else { 3184 } else {
2493 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3185 warn "smooth face '$info->{smooth}' not found for face '$face'";
2494 } 3186 }
2495 Coro::cede; 3187
3188 cf::cede_to_tick;
2496 } 3189 }
2497 } 3190 }
2498 3191
2499 { 3192 {
2500 my $anims = $facedata->{animinfo}; 3193 my $anims = $facedata->{animinfo};
2501 3194
2502 while (my ($anim, $info) = each %$anims) { 3195 while (my ($anim, $info) = each %$anims) {
2503 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3196 cf::anim::set $anim, $info->{frames}, $info->{facings};
2504 Coro::cede; 3197 cf::cede_to_tick;
2505 } 3198 }
2506 3199
2507 cf::anim::invalidate_all; # d'oh 3200 cf::anim::invalidate_all; # d'oh
2508 } 3201 }
2509 3202
3203 {
3204 # TODO: for gcfclient pleasure, we should give resources
3205 # that gcfclient doesn't grok a >10000 face index.
3206 my $res = $facedata->{resource};
3207
3208 while (my ($name, $info) = each %$res) {
3209 if (defined $info->{type}) {
3210 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3211 my $data;
3212
3213 if ($info->{type} & 1) {
3214 # prepend meta info
3215
3216 my $meta = $enc->encode ({
3217 name => $name,
3218 %{ $info->{meta} || {} },
3219 });
3220
3221 $data = pack "(w/a*)*", $meta, $info->{data};
3222 } else {
3223 $data = $info->{data};
3224 }
3225
3226 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3227 cf::face::set_type $idx, $info->{type};
3228 } else {
3229 $RESOURCE{$name} = $info;
3230 }
3231
3232 cf::cede_to_tick;
3233 }
3234 }
3235
3236 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3237
2510 1 3238 1
2511} 3239}
2512 3240
3241cf::global->attach (on_resource_update => sub {
3242 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3243 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3244
3245 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3246 my $sound = $soundconf->{compat}[$_]
3247 or next;
3248
3249 my $face = cf::face::find "sound/$sound->[1]";
3250 cf::sound::set $sound->[0] => $face;
3251 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3252 }
3253
3254 while (my ($k, $v) = each %{$soundconf->{event}}) {
3255 my $face = cf::face::find "sound/$v";
3256 cf::sound::set $k => $face;
3257 }
3258 }
3259});
3260
3261register_exticmd fx_want => sub {
3262 my ($ns, $want) = @_;
3263
3264 while (my ($k, $v) = each %$want) {
3265 $ns->fx_want ($k, $v);
3266 }
3267};
3268
2513sub reload_regions { 3269sub reload_regions {
3270 # HACK to clear player env face cache, we need some signal framework
3271 # for this (global event?)
3272 %ext::player_env::MUSIC_FACE_CACHE = ();
3273
2514 load_resource_file "$MAPDIR/regions" 3274 load_resource_file "$MAPDIR/regions"
2515 or die "unable to load regions file\n"; 3275 or die "unable to load regions file\n";
3276
3277 for (cf::region::list) {
3278 $_->{match} = qr/$_->{match}/
3279 if exists $_->{match};
3280 }
2516} 3281}
2517 3282
2518sub reload_facedata { 3283sub reload_facedata {
2519 load_facedata "$DATADIR/facedata" 3284 load_facedata "$DATADIR/facedata"
2520 or die "unable to load facedata\n"; 3285 or die "unable to load facedata\n";
2521} 3286}
2522 3287
2523sub reload_archetypes { 3288sub reload_archetypes {
2524 load_resource_file "$DATADIR/archetypes" 3289 load_resource_file "$DATADIR/archetypes"
2525 or die "unable to load archetypes\n"; 3290 or die "unable to load archetypes\n";
3291 #d# NEED to laod twice to resolve forward references
3292 # this really needs to be done in an extra post-pass
3293 # (which needs to be synchronous, so solve it differently)
3294 load_resource_file "$DATADIR/archetypes"
3295 or die "unable to load archetypes\n";
2526} 3296}
2527 3297
2528sub reload_treasures { 3298sub reload_treasures {
2529 load_resource_file "$DATADIR/treasures" 3299 load_resource_file "$DATADIR/treasures"
2530 or die "unable to load treasurelists\n"; 3300 or die "unable to load treasurelists\n";
… …
2533sub reload_resources { 3303sub reload_resources {
2534 warn "reloading resource files...\n"; 3304 warn "reloading resource files...\n";
2535 3305
2536 reload_regions; 3306 reload_regions;
2537 reload_facedata; 3307 reload_facedata;
3308 #reload_archetypes;#d#
2538 reload_archetypes; 3309 reload_archetypes;
2539 reload_treasures; 3310 reload_treasures;
2540 3311
2541 warn "finished reloading resource files\n"; 3312 warn "finished reloading resource files\n";
2542} 3313}
2543 3314
2544sub init { 3315sub init {
2545 reload_resources; 3316 reload_resources;
2546} 3317}
2547 3318
2548sub cfg_load { 3319sub reload_config {
2549 open my $fh, "<:utf8", "$CONFDIR/config" 3320 open my $fh, "<:utf8", "$CONFDIR/config"
2550 or return; 3321 or return;
2551 3322
2552 local $/; 3323 local $/;
2553 *CFG = YAML::Syck::Load <$fh>; 3324 *CFG = YAML::Load <$fh>;
2554 3325
2555 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3326 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2556 3327
2557 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3328 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2558 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3329 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2569sub main { 3340sub main {
2570 # we must not ever block the main coroutine 3341 # we must not ever block the main coroutine
2571 local $Coro::idle = sub { 3342 local $Coro::idle = sub {
2572 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3343 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2573 (async { 3344 (async {
2574 Event::one_event; 3345 $Coro::current->{desc} = "IDLE BUG HANDLER";
3346 EV::loop EV::LOOP_ONESHOT;
2575 })->prio (Coro::PRIO_MAX); 3347 })->prio (Coro::PRIO_MAX);
2576 }; 3348 };
2577 3349
2578 cfg_load; 3350 reload_config;
2579 db_init; 3351 db_init;
2580 load_extensions; 3352 load_extensions;
2581 3353
2582 $TICK_WATCHER->start; 3354 $TICK_WATCHER->start;
3355 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2583 Event::loop; 3356 EV::loop;
2584} 3357}
2585 3358
2586############################################################################# 3359#############################################################################
2587# initialisation and cleanup 3360# initialisation and cleanup
2588 3361
2589# install some emergency cleanup handlers 3362# install some emergency cleanup handlers
2590BEGIN { 3363BEGIN {
3364 our %SIGWATCHER = ();
2591 for my $signal (qw(INT HUP TERM)) { 3365 for my $signal (qw(INT HUP TERM)) {
2592 Event->signal ( 3366 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2593 reentrant => 0,
2594 data => WF_AUTOCANCEL,
2595 signal => $signal,
2596 prio => 0,
2597 cb => sub {
2598 cf::cleanup "SIG$signal"; 3367 cf::cleanup "SIG$signal";
2599 },
2600 ); 3368 };
3369 }
3370}
3371
3372sub write_runtime {
3373 my $runtime = "$LOCALDIR/runtime";
3374
3375 # first touch the runtime file to show we are still running:
3376 # the fsync below can take a very very long time.
3377
3378 IO::AIO::aio_utime $runtime, undef, undef;
3379
3380 my $guard = cf::lock_acquire "write_runtime";
3381
3382 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3383 or return;
3384
3385 my $value = $cf::RUNTIME + 90 + 10;
3386 # 10 is the runtime save interval, for a monotonic clock
3387 # 60 allows for the watchdog to kill the server.
3388
3389 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3390 and return;
3391
3392 # always fsync - this file is important
3393 aio_fsync $fh
3394 and return;
3395
3396 # touch it again to show we are up-to-date
3397 aio_utime $fh, undef, undef;
3398
3399 close $fh
3400 or return;
3401
3402 aio_rename "$runtime~", $runtime
3403 and return;
3404
3405 warn "runtime file written.\n";
3406
2601 } 3407 1
2602} 3408}
2603 3409
2604sub emergency_save() { 3410sub emergency_save() {
2605 my $freeze_guard = cf::freeze_mainloop; 3411 my $freeze_guard = cf::freeze_mainloop;
2606 3412
… …
2612 # and maps saved/destroyed asynchronously. 3418 # and maps saved/destroyed asynchronously.
2613 warn "begin emergency player save\n"; 3419 warn "begin emergency player save\n";
2614 for my $login (keys %cf::PLAYER) { 3420 for my $login (keys %cf::PLAYER) {
2615 my $pl = $cf::PLAYER{$login} or next; 3421 my $pl = $cf::PLAYER{$login} or next;
2616 $pl->valid or next; 3422 $pl->valid or next;
3423 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617 $pl->save; 3424 $pl->save;
2618 } 3425 }
2619 warn "end emergency player save\n"; 3426 warn "end emergency player save\n";
2620 3427
2621 warn "begin emergency map save\n"; 3428 warn "begin emergency map save\n";
… …
2660 warn "syncing database to disk"; 3467 warn "syncing database to disk";
2661 BDB::db_env_txn_checkpoint $DB_ENV; 3468 BDB::db_env_txn_checkpoint $DB_ENV;
2662 3469
2663 # if anything goes wrong in here, we should simply crash as we already saved 3470 # if anything goes wrong in here, we should simply crash as we already saved
2664 3471
2665 warn "cancelling all WF_AUTOCANCEL watchers";
2666 for (Event::all_watchers) {
2667 $_->cancel if $_->data & WF_AUTOCANCEL;
2668 }
2669
2670 warn "flushing outstanding aio requests"; 3472 warn "flushing outstanding aio requests";
2671 for (;;) { 3473 for (;;) {
2672 BDB::flush; 3474 BDB::flush;
2673 IO::AIO::flush; 3475 IO::AIO::flush;
2674 Coro::cede; 3476 Coro::cede_notself;
2675 last unless IO::AIO::nreqs || BDB::nreqs; 3477 last unless IO::AIO::nreqs || BDB::nreqs;
2676 warn "iterate..."; 3478 warn "iterate...";
2677 } 3479 }
2678 3480
2679 ++$RELOAD; 3481 ++$RELOAD;
… …
2683 %EXT_CORO = (); 3485 %EXT_CORO = ();
2684 3486
2685 warn "removing commands"; 3487 warn "removing commands";
2686 %COMMAND = (); 3488 %COMMAND = ();
2687 3489
2688 warn "removing ext commands"; 3490 warn "removing ext/exti commands";
2689 %EXTCMD = (); 3491 %EXTCMD = ();
3492 %EXTICMD = ();
2690 3493
2691 warn "unloading/nuking all extensions"; 3494 warn "unloading/nuking all extensions";
2692 for my $pkg (@EXTS) { 3495 for my $pkg (@EXTS) {
2693 warn "... unloading $pkg"; 3496 warn "... unloading $pkg";
2694 3497
… …
2737 warn "reloading cf.pm"; 3540 warn "reloading cf.pm";
2738 require cf; 3541 require cf;
2739 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3542 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740 3543
2741 warn "loading config and database again"; 3544 warn "loading config and database again";
2742 cf::cfg_load; 3545 cf::reload_config;
2743 3546
2744 warn "loading extensions"; 3547 warn "loading extensions";
2745 cf::load_extensions; 3548 cf::load_extensions;
2746 3549
2747 warn "reattaching attachments to objects/players"; 3550 warn "reattaching attachments to objects/players";
… …
2754 warn "leaving sync_job"; 3557 warn "leaving sync_job";
2755 3558
2756 1 3559 1
2757 } or do { 3560 } or do {
2758 warn $@; 3561 warn $@;
2759 warn "error while reloading, exiting."; 3562 cf::cleanup "error while reloading, exiting.";
2760 exit 1;
2761 }; 3563 };
2762 3564
2763 warn "reloaded"; 3565 warn "reloaded";
2764}; 3566};
2765 3567
… …
2767 3569
2768sub reload_perl() { 3570sub reload_perl() {
2769 # doing reload synchronously and two reloads happen back-to-back, 3571 # doing reload synchronously and two reloads happen back-to-back,
2770 # coro crashes during coro_state_free->destroy here. 3572 # coro crashes during coro_state_free->destroy here.
2771 3573
2772 $RELOAD_WATCHER ||= Event->timer ( 3574 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2773 reentrant => 0,
2774 after => 0,
2775 data => WF_AUTOCANCEL,
2776 cb => sub {
2777 do_reload_perl; 3575 do_reload_perl;
2778 undef $RELOAD_WATCHER; 3576 undef $RELOAD_WATCHER;
2779 },
2780 ); 3577 };
2781} 3578}
2782 3579
2783register_command "reload" => sub { 3580register_command "reload" => sub {
2784 my ($who, $arg) = @_; 3581 my ($who, $arg) = @_;
2785 3582
2786 if ($who->flag (FLAG_WIZ)) { 3583 if ($who->flag (FLAG_WIZ)) {
2787 $who->message ("reloading server."); 3584 $who->message ("reloading server.");
3585 async {
3586 $Coro::current->{desc} = "perl_reload";
2788 async { reload_perl }; 3587 reload_perl;
3588 };
2789 } 3589 }
2790}; 3590};
2791 3591
2792unshift @INC, $LIBDIR; 3592unshift @INC, $LIBDIR;
2793 3593
… …
2812 my $signal = new Coro::Signal; 3612 my $signal = new Coro::Signal;
2813 push @WAIT_FOR_TICK_BEGIN, $signal; 3613 push @WAIT_FOR_TICK_BEGIN, $signal;
2814 $signal->wait; 3614 $signal->wait;
2815} 3615}
2816 3616
2817$TICK_WATCHER = Event->timer ( 3617$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2818 reentrant => 0,
2819 parked => 1,
2820 prio => 0,
2821 at => $NEXT_TICK || $TICK,
2822 data => WF_AUTOCANCEL,
2823 cb => sub {
2824 if ($Coro::current != $Coro::main) { 3618 if ($Coro::current != $Coro::main) {
2825 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3619 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826 unless ++$bug_warning > 10; 3620 unless ++$bug_warning > 10;
2827 return; 3621 return;
2828 } 3622 }
2829 3623
2830 $NOW = Event::time; 3624 $NOW = $tick_start = EV::now;
2831 3625
2832 cf::server_tick; # one server iteration 3626 cf::server_tick; # one server iteration
2833 3627
2834 $RUNTIME += $TICK; 3628 $RUNTIME += $TICK;
2835 $NEXT_TICK += $TICK; 3629 $NEXT_TICK = $_[0]->at;
2836 3630
2837 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3631 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838 $NEXT_RUNTIME_WRITE = $NOW + 10; 3632 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2839 Coro::async_pool { 3633 Coro::async_pool {
3634 $Coro::current->{desc} = "runtime saver";
2840 write_runtime 3635 write_runtime
2841 or warn "ERROR: unable to write runtime file: $!"; 3636 or warn "ERROR: unable to write runtime file: $!";
2842 };
2843 } 3637 };
3638 }
2844 3639
2845# my $AFTER = Event::time;
2846# warn $AFTER - $NOW;#d#
2847
2848 # if we are delayed by four ticks or more, skip them all
2849 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2850
2851 $TICK_WATCHER->at ($NEXT_TICK);
2852 $TICK_WATCHER->start;
2853
2854 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3640 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2855 $sig->send; 3641 $sig->send;
2856 } 3642 }
2857 while (my $sig = shift @WAIT_FOR_TICK) { 3643 while (my $sig = shift @WAIT_FOR_TICK) {
2858 $sig->send; 3644 $sig->send;
2859 } 3645 }
2860 3646
3647 $LOAD = ($NOW - $tick_start) / $TICK;
3648 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3649
2861 _post_tick; 3650 _post_tick;
2862 }, 3651};
2863); 3652$TICK_WATCHER->priority (EV::MAXPRI);
2864 3653
2865{ 3654{
2866 BDB::max_poll_time $TICK * 0.1; 3655 # configure BDB
2867 $BDB_POLL_WATCHER = Event->io ( 3656
2868 reentrant => 0,
2869 fd => BDB::poll_fileno,
2870 poll => 'r',
2871 prio => 0,
2872 data => WF_AUTOCANCEL,
2873 cb => \&BDB::poll_cb,
2874 );
2875 BDB::min_parallel 8; 3657 BDB::min_parallel 8;
2876 3658 BDB::max_poll_reqs $TICK * 0.1;
2877 BDB::set_sync_prepare { 3659 $Coro::BDB::WATCHER->priority (1);
2878 my $status;
2879 my $current = $Coro::current;
2880 (
2881 sub {
2882 $status = $!;
2883 $current->ready; undef $current;
2884 },
2885 sub {
2886 Coro::schedule while defined $current;
2887 $! = $status;
2888 },
2889 )
2890 };
2891 3660
2892 unless ($DB_ENV) { 3661 unless ($DB_ENV) {
2893 $DB_ENV = BDB::db_env_create; 3662 $DB_ENV = BDB::db_env_create;
3663 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3664 | BDB::LOG_AUTOREMOVE, 1);
3665 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3666 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2894 3667
2895 cf::sync_job { 3668 cf::sync_job {
2896 eval { 3669 eval {
2897 BDB::db_env_open 3670 BDB::db_env_open
2898 $DB_ENV, 3671 $DB_ENV,
… …
2900 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3673 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2901 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3674 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902 0666; 3675 0666;
2903 3676
2904 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3677 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907 $DB_ENV->set_lk_detect;
2908 }; 3678 };
2909 3679
2910 cf::cleanup "db_env_open(db): $@" if $@; 3680 cf::cleanup "db_env_open(db): $@" if $@;
2911 }; 3681 };
2912 } 3682 }
3683
3684 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3685 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3686 };
3687 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3688 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3689 };
3690 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3691 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3692 };
2913} 3693}
2914 3694
2915{ 3695{
3696 # configure IO::AIO
3697
2916 IO::AIO::min_parallel 8; 3698 IO::AIO::min_parallel 8;
2917
2918 undef $Coro::AIO::WATCHER;
2919 IO::AIO::max_poll_time $TICK * 0.1; 3699 IO::AIO::max_poll_time $TICK * 0.1;
2920 $AIO_POLL_WATCHER = Event->io ( 3700 $Coro::AIO::WATCHER->priority (1);
2921 reentrant => 0, 3701}
2922 data => WF_AUTOCANCEL, 3702
2923 fd => IO::AIO::poll_fileno, 3703my $_log_backtrace;
2924 poll => 'r', 3704
2925 prio => 6, 3705sub _log_backtrace {
2926 cb => \&IO::AIO::poll_cb, 3706 my ($msg, @addr) = @_;
2927 ); 3707
3708 $msg =~ s/\n//;
3709
3710 # limit the # of concurrent backtraces
3711 if ($_log_backtrace < 2) {
3712 ++$_log_backtrace;
3713 async {
3714 $Coro::current->{desc} = "abt $msg";
3715
3716 my @bt = fork_call {
3717 @addr = map { sprintf "%x", $_ } @addr;
3718 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3719 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3720 or die "addr2line: $!";
3721
3722 my @funcs;
3723 my @res = <$fh>;
3724 chomp for @res;
3725 while (@res) {
3726 my ($func, $line) = splice @res, 0, 2, ();
3727 push @funcs, "[$func] $line";
3728 }
3729
3730 @funcs
3731 };
3732
3733 LOG llevInfo, "[ABT] $msg\n";
3734 LOG llevInfo, "[ABT] $_\n" for @bt;
3735 --$_log_backtrace;
3736 };
3737 } else {
3738 LOG llevInfo, "[ABT] $msg\n";
3739 LOG llevInfo, "[ABT] [suppressed]\n";
3740 }
2928} 3741}
2929 3742
2930# load additional modules 3743# load additional modules
2931use cf::pod; 3744use cf::pod;
2932 3745

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