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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.342 by root, Sun Aug 26 15:31:02 2007 UTC vs.
Revision 1.407 by root, Sun Jan 13 09:53:53 2008 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.64 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
24	use Coro::Util ();	25	use Coro::Util ();
25		26
26	use JSON::XS 1.4 ();	27	use JSON::XS 2.01 ();
27	use BDB ();	28	use BDB ();
28	use Data::Dumper;	29	use Data::Dumper;
29	use Digest::MD5;	30	use Digest::MD5;
30	use Fcntl;	31	use Fcntl;
31	use YAML::Syck ();	32	use YAML::Syck ();
32	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
33	use Time::HiRes;	34	use Time::HiRes;
34	use Compress::LZF;	35	use Compress::LZF;
35	use Digest::MD5 ();	36	use Digest::MD5 ();
36		37
37	# configure various modules to our taste	38	# configure various modules to our taste
38	#	39	#
39	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44		43
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
47		46
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
…		…
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	72	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
75		75
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;	77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	80	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		82
84	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	87	our $DB_ENV;
86		88
87	our %CFG;	89	our %CFG;
88		90
89	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
91		94
92	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
95		98
96	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		101
…		…
159		162
160	The raw value load value from the last tick.	163	The raw value load value from the last tick.
161		164
162	=item %cf::CFG	165	=item %cf::CFG
163		166
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	168	from wherever your confdir points to.
166		169
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		171
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	190	$msg .= "\n"
188	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
189		192
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		194
192	utf8::encode $msg;
193	LOG llevError, $msg;	195	LOG llevError, $msg;
194	};	196	};
195	}	197	}
		198
		199	$Coro::State::DIEHOOK = sub {
		200	warn Carp::longmess $_[0];
		201	Coro::terminate;
		202	};
196		203
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	207	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
213	)) {	220	)) {
214	no strict 'refs';	221	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	223	}
217		224
218	$Event::DIED = sub {	225	$EV::DIED = sub {
219	warn "error in event callback: @_";	226	warn "error in event callback: @_";
220	};	227	};
221		228
222	#############################################################################	229	#############################################################################
223		230
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	253	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	254	$d
248	} || "[unable to dump $_[0]: '$@']";	255	} || "[unable to dump $_[0]: '$@']";
249	}	256	}
250		257
251	=item $ref = cf::from_json $json	258	=item $ref = cf::decode_json $json
252		259
253	Converts a JSON string into the corresponding perl data structure.	260	Converts a JSON string into the corresponding perl data structure.
254		261
255	=item $json = cf::to_json $ref	262	=item $json = cf::encode_json $ref
256		263
257	Converts a perl data structure into its JSON representation.	264	Converts a perl data structure into its JSON representation.
258		265
259	=cut	266	=cut
260		267
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	268	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		269
263	sub to_json ($) { $json_coder->encode ($_[0]) }	270	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	271	sub decode_json($) { $json_coder->decode ($_[0]) }
265		272
266	=item cf::lock_wait $string	273	=item cf::lock_wait $string
267		274
268	Wait until the given lock is available. See cf::lock_acquire.	275	Wait until the given lock is available. See cf::lock_acquire.
269		276
…		…
272	Wait until the given lock is available and then acquires it and returns	279	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	280	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	281	for example when the coroutine gets canceled), the lock is automatically
275	returned.	282	returned.
276		283
		284	Locks are *not* recursive, locking from the same coro twice results in a
		285	deadlocked coro.
		286
277	Lock names should begin with a unique identifier (for example, cf::map::find	287	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	288	uses map_find and cf::map::load uses map_load).
279		289
280	=item $locked = cf::lock_active $string	290	=item $locked = cf::lock_active $string
281		291
282	Return true if the lock is currently active, i.e. somebody has locked it.	292	Return true if the lock is currently active, i.e. somebody has locked it.
283		293
284	=cut	294	=cut
285		295
286	our %LOCK;	296	our %LOCK;
		297	our %LOCKER;#d#
287		298
288	sub lock_wait($) {	299	sub lock_wait($) {
289	my ($key) = @_;	300	my ($key) = @_;
		301
		302	if ($LOCKER{$key} == $Coro::current) {#d#
		303	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		304	return;#d#
		305	}#d#
290		306
291	# wait for lock, if any	307	# wait for lock, if any
292	while ($LOCK{$key}) {	308	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;	309	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;	310	Coro::schedule;
…		…
300		316
301	# wait, to be sure we are not locked	317	# wait, to be sure we are not locked
302	lock_wait $key;	318	lock_wait $key;
303		319
304	$LOCK{$key} = [];	320	$LOCK{$key} = [];
		321	$LOCKER{$key} = $Coro::current;#d#
305		322
306	Coro::guard {	323	Coro::guard {
		324	delete $LOCKER{$key};#d#
307	# wake up all waiters, to be on the safe side	325	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };	326	$_->ready for @{ delete $LOCK{$key} };
309	}	327	}
310	}	328	}
311		329
…		…
323	};	341	};
324	$TICK_WATCHER->stop;	342	$TICK_WATCHER->stop;
325	$guard	343	$guard
326	}	344	}
327		345
		346	=item cf::periodic $interval, $cb
		347
		348	Like EV::periodic, but randomly selects a starting point so that the actions
		349	get spread over timer.
		350
		351	=cut
		352
		353	sub periodic($$) {
		354	my ($interval, $cb) = @_;
		355
		356	my $start = rand List::Util::min 180, $interval;
		357
		358	EV::periodic $start, $interval, 0, $cb
		359	}
		360
328	=item cf::get_slot $time[, $priority[, $name]]	361	=item cf::get_slot $time[, $priority[, $name]]
329		362
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	363	Allocate $time seconds of blocking CPU time at priority C<$priority>:
331	This call blocks and returns only when you have at least C<$time> seconds	364	This call blocks and returns only when you have at least C<$time> seconds
332	of cpu time till the next tick. The slot is only valid till the next cede.	365	of cpu time till the next tick. The slot is only valid till the next cede.
…		…
341	our @SLOT_QUEUE;	374	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	375	our $SLOT_QUEUE;
343		376
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	377	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	378	$SLOT_QUEUE = Coro::async {
		379	$Coro::current->desc ("timeslot manager");
		380
346	my $signal = new Coro::Signal;	381	my $signal = new Coro::Signal;
347		382
348	while () {	383	while () {
349	next_job:	384	next_job:
350	my $avail = cf::till_tick;	385	my $avail = cf::till_tick;
…		…
358	}	393	}
359	}	394	}
360	}	395	}
361		396
362	if (@SLOT_QUEUE) {	397	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	398	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	399	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	400	$signal->wait;
366	} else {	401	} else {
367	Coro::schedule;	402	Coro::schedule;
368	}	403	}
…		…
391		426
392	BEGIN { *async = \&Coro::async_pool }	427	BEGIN { *async = \&Coro::async_pool }
393		428
394	=item cf::sync_job { BLOCK }	429	=item cf::sync_job { BLOCK }
395		430
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	431	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	432	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	433	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	434	acceptable.
400		435
401	If it must be done, put the blocking parts into C<sync_job>. This will run	436	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	437	the given BLOCK in another coroutine while waiting for the result. The
…		…
407		442
408	sub sync_job(&) {	443	sub sync_job(&) {
409	my ($job) = @_;	444	my ($job) = @_;
410		445
411	if ($Coro::current == $Coro::main) {	446	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	447	my $time = EV::time;
413		448
414	# this is the main coro, too bad, we have to block	449	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	450	# till the operation succeeds, freezing the server :/
416		451
		452	LOG llevError, Carp::longmess "sync job";#d#
		453
417	# TODO: use suspend/resume instead	454	# TODO: use suspend/resume instead
418	# (but this is cancel-safe)	455	# (but this is cancel-safe)
419	my $freeze_guard = freeze_mainloop;	456	my $freeze_guard = freeze_mainloop;
420		457
421	my $busy = 1;	458	my $busy = 1;
422	my @res;	459	my @res;
423		460
424	(async {	461	(async {
		462	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	463	@res = eval { $job->() };
426	warn $@ if $@;	464	warn $@ if $@;
427	undef $busy;	465	undef $busy;
428	})->prio (Coro::PRIO_MAX);	466	})->prio (Coro::PRIO_MAX);
429		467
430	while ($busy) {	468	while ($busy) {
431	Coro::cede or Event::one_event;	469	if (Coro::nready) {
		470	Coro::cede_notself;
		471	} else {
		472	EV::loop EV::LOOP_ONESHOT;
432	}	473	}
		474	}
433		475
434	$time = Event::time - $time;	476	$time = EV::time - $time;
435		477
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"	478	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	479	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438		480
439	$tick_start += $time; # do not account sync jobs to server load	481	$tick_start += $time; # do not account sync jobs to server load
…		…
469	=item fork_call { }, $args	511	=item fork_call { }, $args
470		512
471	Executes the given code block with the given arguments in a seperate	513	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	514	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	515	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	516	never block itself or use any form of event handling.
475		517
476	=cut	518	=cut
477		519
478	sub fork_call(&@) {	520	sub fork_call(&@) {
479	my ($cb, @args) = @_;	521	my ($cb, @args) = @_;
480		522
481	# we seemingly have to make a local copy of the whole thing,	523	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	524	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	525	# TODO: investigate and fix (likely this will be rather laborious)
484		526
485	my @res = Coro::Util::fork_eval {	527	my @res = Coro::Util::fork_eval {
486	reset_signals;	528	reset_signals;
487	&$cb	529	&$cb
488	}, @args;	530	}, @args;
…		…
497	=item cf::db_put $family => $key => $value	539	=item cf::db_put $family => $key => $value
498		540
499	Stores the given C<$value> in the family. It can currently store binary	541	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	542	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		543
		544	=item $db = cf::db_table "name"
		545
		546	Create and/or open a new database table. The string must not be "db" and must be unique
		547	within each server.
		548
502	=cut	549	=cut
		550
		551	sub db_table($) {
		552	my ($name) = @_;
		553	my $db = BDB::db_create $DB_ENV;
		554
		555	eval {
		556	$db->set_flags (BDB::CHKSUM);
		557
		558	utf8::encode $name;
		559	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		560	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		561	cf::cleanup "db_open(db): $!" if $!;
		562	};
		563	cf::cleanup "db_open(db): $@" if $@;
		564
		565	$db
		566	}
503		567
504	our $DB;	568	our $DB;
505		569
506	sub db_init {	570	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	571	cf::sync_job {
511	eval {	572	$DB ||= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	573	};
521	}	574	}
522		575
523	sub db_get($$) {	576	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	577	my $key = "$_[0]/$_[1]";
525		578
…		…
575	if (1) {	628	if (1) {
576	$md5 =	629	$md5 =
577	join "\x00",	630	join "\x00",
578	$processversion,	631	$processversion,
579	map {	632	map {
580	Coro::cede;	633	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	634	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	635	} 0.. $#$src;
583		636
584		637
585	my $dbmd5 = db_get cache => "$id/md5";	638	my $dbmd5 = db_get cache => "$id/md5";
…		…
629	attach callbacks/event handlers (a collection of which is called an "attachment")	682	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	683	to it. All such attachable objects support the following methods.
631		684
632	In the following description, CLASS can be any of C<global>, C<object>	685	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	686	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	687	Deliantra).
635		688
636	=over 4	689	=over 4
637		690
638	=item $attachable->attach ($attachment, key => $value...)	691	=item $attachable->attach ($attachment, key => $value...)
639		692
…		…
921	}	974	}
922		975
923	0	976	0
924	}	977	}
925		978
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	979	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		980
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	981	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		982
930	Generate an object-specific event with the given arguments.	983	Generate an object-specific event with the given arguments.
931		984
…		…
937		990
938	=cut	991	=cut
939		992
940	#############################################################################	993	#############################################################################
941	# object support	994	# object support
942	#
943		995
		996	sub _object_equal($$);
		997	sub _object_equal($$) {
		998	my ($a, $b) = @_;
		999
		1000	return 0 unless (ref $a) eq (ref $b);
		1001
		1002	if ("HASH" eq ref $a) {
		1003	my @ka = keys %$a;
		1004	my @kb = keys %$b;
		1005
		1006	return 0 if @ka != @kb;
		1007
		1008	for (0 .. $#ka) {
		1009	return 0 unless $ka[$_] eq $kb[$_];
		1010	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1011	}
		1012
		1013	} elsif ("ARRAY" eq ref $a) {
		1014
		1015	return 0 if @$a != @$b;
		1016
		1017	for (0 .. $#$a) {
		1018	return 0 unless _object_equal $a->[$_], $b->[$_];
		1019	}
		1020
		1021	} elsif ($a ne $b) {
		1022	return 0;
		1023	}
		1024
		1025	1
		1026	}
		1027
		1028	our $SLOW_MERGES;#d#
944	sub _can_merge {	1029	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1030	my ($ob1, $ob2) = @_;
946		1031
947	local $Storable::canonical = 1;	1032	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1033
951	$fob1 eq $fob2	1034	# we do the slow way here
		1035	return _object_equal $ob1, $ob2
952	}	1036	}
953		1037
954	sub reattach {	1038	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1039	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1040	my ($obj) = @_;
…		…
978	cf::attachable->attach (	1062	cf::attachable->attach (
979	prio => -1000000,	1063	prio => -1000000,
980	on_instantiate => sub {	1064	on_instantiate => sub {
981	my ($obj, $data) = @_;	1065	my ($obj, $data) = @_;
982		1066
983	$data = from_json $data;	1067	$data = decode_json $data;
984		1068
985	for (@$data) {	1069	for (@$data) {
986	my ($name, $args) = @$_;	1070	my ($name, $args) = @$_;
987		1071
988	$obj->attach ($name, %{$args || {} });	1072	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1088	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1089	my ($filename, $rdata, $objs) = @_;
1006		1090
1007	sync_job {	1091	sync_job {
1008	if (length $$rdata) {	1092	if (length $$rdata) {
		1093	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1094	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1095	$decname, length $$rdata, scalar @$objs;
1011		1096
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1100	aio_fsync $fh if $cf::USE_FSYNC;
1016	close $fh;	1101	close $fh;
1017		1102
1018	if (@$objs) {	1103	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1107	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1108	aio_fsync $fh if $cf::USE_FSYNC;
1024	close $fh;	1109	close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1110	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1111	}
…		…
1034	}	1119	}
1035	} else {	1120	} else {
1036	aio_unlink $filename;	1121	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1122	aio_unlink "$filename.pst";
1038	}	1123	}
1039	}	1124	};
1040	}	1125	}
1041		1126
1042	sub object_freezer_as_string {	1127	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1128	my ($rdata, $objs) = @_;
1044		1129
…		…
1056	or return;	1141	or return;
1057		1142
1058	unless (aio_stat "$filename.pst") {	1143	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1144	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1145	or return;
		1146
1061	$av = eval { (Storable::thaw $av)->{objs} };	1147	my $st = eval { Coro::Storable::thaw $av };
		1148	$av = $st->{objs};
1062	}	1149	}
1063		1150
		1151	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1152	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1153	$decname, length $data, scalar @{$av || []};
		1154
1066	return ($data, $av);	1155	($data, $av)
1067	}	1156	}
1068		1157
1069	=head2 COMMAND CALLBACKS	1158	=head2 COMMAND CALLBACKS
1070		1159
1071	=over 4	1160	=over 4
…		…
1257		1346
1258	=head3 cf::player	1347	=head3 cf::player
1259		1348
1260	=over 4	1349	=over 4
1261		1350
		1351	=item cf::player::num_playing
		1352
		1353	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1354
		1355	=cut
		1356
		1357	sub num_playing {
		1358	scalar grep
		1359	$_->ob->map
		1360	&& !$_->hidden
		1361	&& !$_->ob->flag (cf::FLAG_WIZ),
		1362	cf::player::list
		1363	}
		1364
1262	=item cf::player::find $login	1365	=item cf::player::find $login
1263		1366
1264	Returns the given player object, loading it if necessary (might block).	1367	Returns the given player object, loading it if necessary (might block).
1265		1368
1266	=cut	1369	=cut
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1404	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1405	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1406	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1407	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1408
1306	my $pl = load_pl path $login	1409	my $f = new_from_file cf::object::thawer path $login
1307	or return;	1410	or return;
		1411
		1412	my $pl = cf::player::load_pl $f
		1413	or return;
		1414	local $cf::PLAYER_LOADING{$login} = $pl;
		1415	$f->resolve_delayed_derefs;
1308	$cf::PLAYER{$login} = $pl	1416	$cf::PLAYER{$login} = $pl
1309	}	1417	}
1310	}	1418	}
1311	}	1419	}
1312		1420
…		…
1322		1430
1323	aio_mkdir playerdir $pl, 0770;	1431	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1432	$pl->{last_save} = $cf::RUNTIME;
1325		1433
1326	$pl->save_pl ($path);	1434	$pl->save_pl ($path);
1327	Coro::cede;	1435	cf::cede_to_tick;
1328	}	1436	}
1329		1437
1330	sub new($) {	1438	sub new($) {
1331	my ($login) = @_;	1439	my ($login) = @_;
1332		1440
…		…
1410	or return [];	1518	or return [];
1411		1519
1412	my @logins;	1520	my @logins;
1413		1521
1414	for my $login (@$dirs) {	1522	for my $login (@$dirs) {
		1523	my $path = path $login;
		1524
		1525	# a .pst is a dead give-away for a valid player
		1526	unless (-e "$path.pst") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1528	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1529	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1530	}
1418		1531
1419	utf8::decode $login;	1532	utf8::decode $login;
1420	push @logins, $login;	1533	push @logins, $login;
1421	}	1534	}
1422		1535
…		…
1455		1568
1456	Expand crossfire pod fragments into protocol xml.	1569	Expand crossfire pod fragments into protocol xml.
1457		1570
1458	=cut	1571	=cut
1459		1572
		1573	use re 'eval';
		1574
		1575	my $group;
		1576	my $interior; $interior = qr{
		1577	# match a pod interior sequence sans C<< >>
		1578	(?:
		1579	\ (.*?)\ (?{ $group = $^N })
		1580	| < (??{$interior}) >
		1581	)
		1582	}x;
		1583
1460	sub expand_cfpod {	1584	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;	1585	my ($self, $pod) = @_;
1462		1586
1463	# escape & and <	1587	my $xml;
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466		1588
1467	# this is buggy, it needs to properly take care of nested <'s	1589	while () {
		1590	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1591	$group = $1;
1468		1592
1469	1 while	1593	$group =~ s/&/&amp;/g;
1470	# replace B<>, I<>, U<> etc.	1594	$group =~ s/</&lt;/g;
1471	s/B<([^\>]*)>/<b>$1<\/b>/	1595
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/	1596	$xml .= $group;
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/	1597	} elsif ($pod =~ m%\G
1474	# replace G<male|female> tags	1598	([BCGHITU])
1475	|| s{G<([^>|]*)\|([^>]*)>}{	1599	<
1476	$self->gender ? $2 : $1	1600	(?:
1477	}ge	1601	([^<>]*) (?{ $group = $^N })
1478	# replace H<hint text>	1602	| < $interior >
1479	|| s{H<([^\>]*)>}	1603	)
		1604	>
		1605	%gcsx
1480	{	1606	) {
		1607	my ($code, $data) = ($1, $group);
		1608
		1609	if ($code eq "B") {
		1610	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1611	} elsif ($code eq "I") {
		1612	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1613	} elsif ($code eq "U") {
		1614	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1615	} elsif ($code eq "C") {
		1616	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1617	} elsif ($code eq "T") {
		1618	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1619	} elsif ($code eq "G") {
		1620	my ($male, $female) = split /\|/, $data;
		1621	$data = $self->gender ? $female : $male;
		1622	$xml .= expand_cfpod ($self, $data);
		1623	} elsif ($code eq "H") {
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1624	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1625	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")	1626	"")
1484	[$self->{hintmode}]	1627	[$self->{hintmode}];
		1628	} else {
		1629	$xml .= "error processing '$code($data)' directive";
1485	}ge;	1630	}
		1631	} else {
		1632	if ($pod =~ /\G(.+)/) {
		1633	warn "parse error while expanding $pod (at $1)";
		1634	}
		1635	last;
		1636	}
		1637	}
1486		1638
		1639	for ($xml) {
1487	# create single paragraphs (very hackish)	1640	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;	1641	s/(?<=\S)\n(?=\w)/ /g;
1489		1642
1490	# compress some whitespace	1643	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends	1644	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines	1645	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines	1646	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines	1647	s/\n+$//; # ending lines
		1648	}
1495		1649
1496	$_	1650	$xml
1497	}	1651	}
		1652
		1653	no re 'eval';
1498		1654
1499	sub hintmode {	1655	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;	1656	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}	1657	$_[0]{hintmode}
1502	}	1658	}
…		…
1746		1902
1747	sub load_header_from($) {	1903	sub load_header_from($) {
1748	my ($self, $path) = @_;	1904	my ($self, $path) = @_;
1749		1905
1750	utf8::encode $path;	1906	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	1907	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	1908	or return;
		1909
		1910	$self->_load_header ($f)
		1911	or return;
		1912
		1913	local $MAP_LOADING{$self->{path}} = $self;
		1914	$f->resolve_delayed_derefs;
1756		1915
1757	$self->{load_path} = $path;	1916	$self->{load_path} = $path;
1758		1917
1759	1	1918	1
1760	}	1919	}
…		…
1814	sub find {	1973	sub find {
1815	my ($path, $origin) = @_;	1974	my ($path, $origin) = @_;
1816		1975
1817	$path = normalise $path, $origin && $origin->path;	1976	$path = normalise $path, $origin && $origin->path;
1818		1977
		1978	cf::lock_wait "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	1979	cf::lock_wait "map_find:$path";
1820		1980
1821	$cf::MAP{$path} || do {	1981	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";	1982	my $guard1 = cf::lock_acquire "map_find:$path";
		1983	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1984
1823	my $map = new_from_path cf::map $path	1985	my $map = new_from_path cf::map $path
1824	or return;	1986	or return;
1825		1987
1826	$map->{last_save} = $cf::RUNTIME;	1988	$map->{last_save} = $cf::RUNTIME;
1827		1989
…		…
1829	or return;	1991	or return;
1830		1992
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	1994	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	1995	#$cf::WAIT_FOR_TICK->wait;
		1996	undef $guard1;
		1997	undef $guard2;
1834	$map->reset;	1998	$map->reset;
1835	undef $guard;
1836	return find $path;	1999	return find $path;
1837	}	2000	}
1838		2001
1839	$cf::MAP{$path} = $map	2002	$cf::MAP{$path} = $map
1840	}	2003	}
…		…
1849	local $self->{deny_reset} = 1; # loading can take a long time	2012	local $self->{deny_reset} = 1; # loading can take a long time
1850		2013
1851	my $path = $self->{path};	2014	my $path = $self->{path};
1852		2015
1853	{	2016	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2017	my $guard = cf::lock_acquire "map_data:$path";
1855		2018
		2019	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2020	return unless $self->in_memory == cf::MAP_SWAPPED;
1857		2021
1858	$self->in_memory (cf::MAP_LOADING);	2022	$self->in_memory (cf::MAP_LOADING);
1859		2023
1860	$self->alloc;	2024	$self->alloc;
1861		2025
1862	$self->pre_load;	2026	$self->pre_load;
1863	Coro::cede;	2027	cf::cede_to_tick;
1864		2028
		2029	my $f = new_from_file cf::object::thawer $self->{load_path};
		2030	$f->skip_block;
1865	$self->_load_objects ($self->{load_path}, 1)	2031	$self->_load_objects ($f)
1866	or return;	2032	or return;
1867		2033
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1869	if delete $self->{load_original};	2035	if delete $self->{load_original};
1870		2036
1871	if (my $uniq = $self->uniq_path) {	2037	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2038	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2039	unless (aio_stat $uniq) {
		2040	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2041	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2042	$self->_load_objects ($f);
		2043	$f->resolve_delayed_derefs;
		2044	}
1876	}	2045	}
1877	}	2046	}
1878		2047
1879	Coro::cede;	2048	$f->resolve_delayed_derefs;
		2049
		2050	cf::cede_to_tick;
1880	# now do the right thing for maps	2051	# now do the right thing for maps
1881	$self->link_multipart_objects;	2052	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2053	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2054	unless $self->difficulty;
1884	Coro::cede;	2055	cf::cede_to_tick;
1885		2056
1886	unless ($self->{deny_activate}) {	2057	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2058	$self->decay_objects;
1888	$self->fix_auto_apply;	2059	$self->fix_auto_apply;
1889	$self->update_buttons;	2060	$self->update_buttons;
1890	Coro::cede;	2061	cf::cede_to_tick;
1891	$self->set_darkness_map;	2062	$self->set_darkness_map;
1892	Coro::cede;	2063	cf::cede_to_tick;
1893	$self->activate;	2064	$self->activate;
1894	}	2065	}
1895		2066
1896	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2068	$self->last_access ($cf::RUNTIME);
…		…
1968	}	2139	}
1969		2140
1970	$MAP_PREFETCH{$path} |= $load;	2141	$MAP_PREFETCH{$path} |= $load;
1971		2142
1972	$MAP_PREFETCHER ||= cf::async {	2143	$MAP_PREFETCHER ||= cf::async {
		2144	$Coro::current->{desc} = "map prefetcher";
		2145
1973	while (%MAP_PREFETCH) {	2146	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2147	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2148	if (my $map = find $k) {
1976	$map->load if $v;	2149	$map->load if $v;
1977	}	2150	}
…		…
1987	}	2160	}
1988		2161
1989	sub save {	2162	sub save {
1990	my ($self) = @_;	2163	my ($self) = @_;
1991		2164
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;	2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
1993		2166
1994	$self->{last_save} = $cf::RUNTIME;	2167	$self->{last_save} = $cf::RUNTIME;
1995		2168
1996	return unless $self->dirty;	2169	return unless $self->dirty;
1997		2170
…		…
2003	return if $self->{deny_save};	2176	return if $self->{deny_save};
2004		2177
2005	local $self->{last_access} = $self->last_access;#d#	2178	local $self->{last_access} = $self->last_access;#d#
2006		2179
2007	cf::async {	2180	cf::async {
		2181	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2182	$_->contr->save for $self->players;
2009	};	2183	};
2010		2184
2011	if ($uniq) {	2185	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
2020	my ($self) = @_;	2194	my ($self) = @_;
2021		2195
2022	# save first because save cedes	2196	# save first because save cedes
2023	$self->save;	2197	$self->save;
2024		2198
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2199	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2200
2027	return if $self->players;	2201	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;	2202	return if $self->in_memory != cf::MAP_IN_MEMORY;
2029	return if $self->{deny_save};	2203	return if $self->{deny_save};
2030		2204
		2205	$self->in_memory (cf::MAP_SWAPPED);
		2206
		2207	$self->deactivate;
		2208	$_->clear_links_to ($self) for values %cf::MAP;
2031	$self->clear;	2209	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2210	}
2034		2211
2035	sub reset_at {	2212	sub reset_at {
2036	my ($self) = @_;	2213	my ($self) = @_;
2037		2214
…		…
2069	if $uniq;	2246	if $uniq;
2070	}	2247	}
2071		2248
2072	delete $cf::MAP{$self->path};	2249	delete $cf::MAP{$self->path};
2073		2250
		2251	$self->deactivate;
		2252	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2253	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2254
2078	$self->unlink_save;	2255	$self->unlink_save;
2079	$self->destroy;	2256	$self->destroy;
2080	}	2257	}
2081		2258
2082	my $nuke_counter = "aaaa";	2259	my $nuke_counter = "aaaa";
2083		2260
2084	sub nuke {	2261	sub nuke {
2085	my ($self) = @_;	2262	my ($self) = @_;
2086		2263
		2264	{
		2265	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2266
2087	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
2088		2268
2089	$self->unlink_save;	2269	$self->unlink_save;
2090		2270
2091	bless $self, "cf::map";	2271	bless $self, "cf::map";
2092	delete $self->{deny_reset};	2272	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2273	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2274	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2275	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2276
2097	$cf::MAP{$self->path} = $self;	2277	$cf::MAP{$self->path} = $self;
		2278	}
2098		2279
2099	$self->reset; # polite request, might not happen	2280	$self->reset; # polite request, might not happen
2100	}	2281	}
2101		2282
2102	=item $maps = cf::map::tmp_maps	2283	=item $maps = cf::map::tmp_maps
…		…
2178		2359
2179	sub inv_recursive {	2360	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2361	inv_recursive_ inv $_[0]
2181	}	2362	}
2182		2363
		2364	=item $ref = $ob->ref
		2365
		2366	creates and returns a persistent reference to an objetc that can be stored as a string.
		2367
		2368	=item $ob = cf::object::deref ($refstring)
		2369
		2370	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2371	even if the object actually exists. May block.
		2372
		2373	=cut
		2374
		2375	sub deref {
		2376	my ($ref) = @_;
		2377
		2378	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2379	my ($uuid, $name) = ($1, $2);
		2380	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2381	or return;
		2382	$pl->ob->uuid eq $uuid
		2383	or return;
		2384
		2385	$pl->ob
		2386	} else {
		2387	warn "$ref: cannot resolve object reference\n";
		2388	undef
		2389	}
		2390	}
		2391
2183	package cf;	2392	package cf;
2184		2393
2185	=back	2394	=back
2186		2395
2187	=head3 cf::object::player	2396	=head3 cf::object::player
…		…
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2555
2347	$self->enter_link;	2556	$self->enter_link;
2348		2557
2349	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
2350	my $map = eval {	2580	my $map = eval {
2351	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
2352		2582
2353	if ($map) {	2583	if ($map) {
2354	$map = $map->customise_for ($self);	2584	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2585	$map = $check->($map) if $check && $map;
2356	} else {	2586	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2588	}
2359		2589
2360	$map	2590	$map
2361	};	2591	};
2362		2592
…		…
2415	$rmp->{origin_y} = $exit->y;	2645	$rmp->{origin_y} = $exit->y;
2416	}	2646	}
2417		2647
2418	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2419		2649
2420	my $data = cf::to_json $rmp;	2650	my $data = cf::encode_json $rmp;
2421	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2423		2653
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
…		…
2452	# if exit is damned, update players death & WoR home-position	2682	# if exit is damned, update players death & WoR home-position
2453	$self->contr->savebed ($slaying, $hp, $sp)	2683	$self->contr->savebed ($slaying, $hp, $sp)
2454	if $exit->flag (FLAG_DAMNED);	2684	if $exit->flag (FLAG_DAMNED);
2455		2685
2456	(async {	2686	(async {
		2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2688
2457	$self->deactivate_recursive; # just to be sure	2689	$self->deactivate_recursive; # just to be sure
2458	unless (eval {	2690	unless (eval {
2459	$self->goto ($slaying, $hp, $sp);	2691	$self->goto ($slaying, $hp, $sp);
2460		2692
2461	1;	2693	1;
…		…
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	2728	the message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	2729	the message unless the client supports the msg packet.
2498		2730
2499	=cut	2731	=cut
2500		2732
		2733	# non-persistent channels (usually the info channel)
		2734	our %CHANNEL = (
		2735	"c/identify" => {
		2736	id => "infobox",
		2737	title => "Identify",
		2738	reply => undef,
		2739	tooltip => "Items recently identified",
		2740	},
		2741	"c/examine" => {
		2742	id => "infobox",
		2743	title => "Examine",
		2744	reply => undef,
		2745	tooltip => "Signs and other items you examined",
		2746	},
		2747	"c/book" => {
		2748	id => "infobox",
		2749	title => "Book",
		2750	reply => undef,
		2751	tooltip => "The contents of a note or book",
		2752	},
		2753	"c/lookat" => {
		2754	id => "infobox",
		2755	title => "Look",
		2756	reply => undef,
		2757	tooltip => "What you saw there",
		2758	},
		2759	"c/who" => {
		2760	id => "infobox",
		2761	title => "Players",
		2762	reply => undef,
		2763	tooltip => "Shows players who are currently online",
		2764	},
		2765	"c/body" => {
		2766	id => "infobox",
		2767	title => "Body Parts",
		2768	reply => undef,
		2769	tooltip => "Shows which body parts you posess and are available",
		2770	},
		2771	"c/uptime" => {
		2772	id => "infobox",
		2773	title => "Uptime",
		2774	reply => undef,
		2775	tooltip => "How long the server has been running since last restart",
		2776	},
		2777	"c/mapinfo" => {
		2778	id => "infobox",
		2779	title => "Map Info",
		2780	reply => undef,
		2781	tooltip => "Information related to the maps",
		2782	},
		2783	);
		2784
2501	sub cf::client::send_msg {	2785	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	2786	my ($self, $channel, $msg, $color, @extra) = @_;
2503		2787
2504	$msg = $self->pl->expand_cfpod ($msg);	2788	$msg = $self->pl->expand_cfpod ($msg);
2505		2789
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	2790	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		2791
		2792	# check predefined channels, for the benefit of C
		2793	if ($CHANNEL{$channel}) {
		2794	$channel = $CHANNEL{$channel};
		2795
		2796	$self->ext_msg (channel_info => $channel)
		2797	if $self->can_msg;
		2798
		2799	$channel = $channel->{id};
		2800
2508	if (ref $channel) {	2801	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	2802	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	2803	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	2804	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
2513	}	2807	}
2514		2808
2515	$channel = $channel->{id};	2809	$channel = $channel->{id};
2516	}	2810	}
2517		2811
…		…
2558	=cut	2852	=cut
2559		2853
2560	sub cf::client::ext_msg($$@) {	2854	sub cf::client::ext_msg($$@) {
2561	my ($self, $type, @msg) = @_;	2855	my ($self, $type, @msg) = @_;
2562		2856
2563	my $extcmd = $self->extcmd;
2564
2565	if ($extcmd == 2) {	2857	if ($self->extcmd == 2) {
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2858	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2567	} elsif ($extcmd == 1) { # TODO: remove	2859	} elsif ($self->extcmd == 1) { # TODO: remove
2568	push @msg, msgtype => "event_$type";	2860	push @msg, msgtype => "event_$type";
2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2861	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2570	}	2862	}
2571	}	2863	}
2572		2864
…		…
2579	sub cf::client::ext_reply($$@) {	2871	sub cf::client::ext_reply($$@) {
2580	my ($self, $id, @msg) = @_;	2872	my ($self, $id, @msg) = @_;
2581		2873
2582	if ($self->extcmd == 2) {	2874	if ($self->extcmd == 2) {
2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	2875	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2584	} elsif ($self->ns->extcmd == 1) {	2876	} elsif ($self->extcmd == 1) {
2585	#TODO: version 1, remove	2877	#TODO: version 1, remove
2586	unshift @msg, msgtype => "reply", msgid => $id;	2878	unshift @msg, msgtype => "reply", msgid => $id;
2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2588	}	2880	}
2589	}	2881	}
…		…
2731	=pod	3023	=pod
2732		3024
2733	The following functions and methods are available within a safe environment:	3025	The following functions and methods are available within a safe environment:
2734		3026
2735	cf::object	3027	cf::object
2736	contr pay_amount pay_player map x y force_find force_add	3028	contr pay_amount pay_player map x y force_find force_add destroy
2737	insert remove name archname title slaying race decrease_ob_nr	3029	insert remove name archname title slaying race decrease_ob_nr
2738		3030
2739	cf::object::player	3031	cf::object::player
2740	player	3032	player
2741		3033
…		…
2748	=cut	3040	=cut
2749		3041
2750	for (	3042	for (
2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2752	insert remove inv name archname title slaying race	3044	insert remove inv name archname title slaying race
2753	decrease_ob_nr)],	3045	decrease_ob_nr destroy)],
2754	["cf::object::player" => qw(player)],	3046	["cf::object::player" => qw(player)],
2755	["cf::player" => qw(peaceful)],	3047	["cf::player" => qw(peaceful)],
2756	["cf::map" => qw(trigger)],	3048	["cf::map" => qw(trigger)],
2757	) {	3049	) {
2758	no strict 'refs';	3050	no strict 'refs';
…		…
2834	# the server's init and main functions	3126	# the server's init and main functions
2835		3127
2836	sub load_facedata($) {	3128	sub load_facedata($) {
2837	my ($path) = @_;	3129	my ($path) = @_;
2838		3130
		3131	# HACK to clear player env face cache, we need some signal framework
		3132	# for this (global event?)
		3133	%ext::player_env::MUSIC_FACE_CACHE = ();
		3134
2839	my $enc = JSON::XS->new->utf8->canonical;	3135	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2840		3136
2841	warn "loading facedata from $path\n";	3137	warn "loading facedata from $path\n";
2842		3138
2843	my $facedata;	3139	my $facedata;
2844	0 < aio_load $path, $facedata	3140	0 < aio_load $path, $facedata
…		…
2859	{	3155	{
2860	my $faces = $facedata->{faceinfo};	3156	my $faces = $facedata->{faceinfo};
2861		3157
2862	while (my ($face, $info) = each %$faces) {	3158	while (my ($face, $info) = each %$faces) {
2863	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3159	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3160
2864	cf::face::set_visibility $idx, $info->{visibility};	3161	cf::face::set_visibility $idx, $info->{visibility};
2865	cf::face::set_magicmap $idx, $info->{magicmap};	3162	cf::face::set_magicmap $idx, $info->{magicmap};
2866	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3163	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2867	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3164	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2868		3165
2869	cf::cede_to_tick;	3166	cf::cede_to_tick;
2870	}	3167	}
2871		3168
2872	while (my ($face, $info) = each %$faces) {	3169	while (my ($face, $info) = each %$faces) {
2873	next unless $info->{smooth};	3170	next unless $info->{smooth};
		3171
2874	my $idx = cf::face::find $face	3172	my $idx = cf::face::find $face
2875	or next;	3173	or next;
		3174
2876	if (my $smooth = cf::face::find $info->{smooth}) {	3175	if (my $smooth = cf::face::find $info->{smooth}) {
2877	cf::face::set_smooth $idx, $smooth;	3176	cf::face::set_smooth $idx, $smooth;
2878	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3177	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2879	} else {	3178	} else {
2880	warn "smooth face '$info->{smooth}' not found for face '$face'";	3179	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2898	{	3197	{
2899	# TODO: for gcfclient pleasure, we should give resources	3198	# TODO: for gcfclient pleasure, we should give resources
2900	# that gcfclient doesn't grok a >10000 face index.	3199	# that gcfclient doesn't grok a >10000 face index.
2901	my $res = $facedata->{resource};	3200	my $res = $facedata->{resource};
2902		3201
2903	my $soundconf = delete $res->{"res/sound.conf"};
2904
2905	while (my ($name, $info) = each %$res) {	3202	while (my ($name, $info) = each %$res) {
		3203	if (defined $info->{type}) {
2906	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3204	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2907	my $data;	3205	my $data;
2908		3206
2909	if ($info->{type} & 1) {	3207	if ($info->{type} & 1) {
2910	# prepend meta info	3208	# prepend meta info
2911		3209
2912	my $meta = $enc->encode ({	3210	my $meta = $enc->encode ({
2913	name => $name,	3211	name => $name,
2914	%{ $info->{meta} || {} },	3212	%{ $info->{meta} || {} },
2915	});	3213	});
2916		3214
2917	$data = pack "(w/a*)*", $meta, $info->{data};	3215	$data = pack "(w/a*)*", $meta, $info->{data};
		3216	} else {
		3217	$data = $info->{data};
		3218	}
		3219
		3220	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3221	cf::face::set_type $idx, $info->{type};
2918	} else {	3222	} else {
2919	$data = $info->{data};	3223	$RESOURCE{$name} = $info;
2920	}	3224	}
2921		3225
2922	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2923	cf::face::set_type $idx, $info->{type};
2924
2925	cf::cede_to_tick;	3226	cf::cede_to_tick;
2926	}	3227	}
2927
2928	if ($soundconf) {
2929	$soundconf = $enc->decode (delete $soundconf->{data});
2930
2931	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2932	my $sound = $soundconf->{compat}[$_]
2933	or next;
2934
2935	my $face = cf::face::find "sound/$sound->[1]";
2936	cf::sound::set $sound->[0] => $face;
2937	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2938	}
2939
2940	while (my ($k, $v) = each %{$soundconf->{event}}) {
2941	my $face = cf::face::find "sound/$v";
2942	cf::sound::set $k => $face;
2943	}
2944	}
2945	}	3228	}
		3229
		3230	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2946		3231
2947	1	3232	1
2948	}	3233	}
		3234
		3235	cf::global->attach (on_resource_update => sub {
		3236	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3237	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3238
		3239	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3240	my $sound = $soundconf->{compat}[$_]
		3241	or next;
		3242
		3243	my $face = cf::face::find "sound/$sound->[1]";
		3244	cf::sound::set $sound->[0] => $face;
		3245	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3246	}
		3247
		3248	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3249	my $face = cf::face::find "sound/$v";
		3250	cf::sound::set $k => $face;
		3251	}
		3252	}
		3253	});
2949		3254
2950	register_exticmd fx_want => sub {	3255	register_exticmd fx_want => sub {
2951	my ($ns, $want) = @_;	3256	my ($ns, $want) = @_;
2952		3257
2953	while (my ($k, $v) = each %$want) {	3258	while (my ($k, $v) = each %$want) {
2954	$ns->fx_want ($k, $v);	3259	$ns->fx_want ($k, $v);
2955	}	3260	}
2956	};	3261	};
2957		3262
2958	sub reload_regions {	3263	sub reload_regions {
		3264	# HACK to clear player env face cache, we need some signal framework
		3265	# for this (global event?)
		3266	%ext::player_env::MUSIC_FACE_CACHE = ();
		3267
2959	load_resource_file "$MAPDIR/regions"	3268	load_resource_file "$MAPDIR/regions"
2960	or die "unable to load regions file\n";	3269	or die "unable to load regions file\n";
2961		3270
2962	for (cf::region::list) {	3271	for (cf::region::list) {
2963	$_->{match} = qr/$_->{match}/	3272	$_->{match} = qr/$_->{match}/
…		…
2999		3308
3000	sub init {	3309	sub init {
3001	reload_resources;	3310	reload_resources;
3002	}	3311	}
3003		3312
3004	sub cfg_load {	3313	sub reload_config {
3005	open my $fh, "<:utf8", "$CONFDIR/config"	3314	open my $fh, "<:utf8", "$CONFDIR/config"
3006	or return;	3315	or return;
3007		3316
3008	local $/;	3317	local $/;
3009	*CFG = YAML::Syck::Load <$fh>;	3318	*CFG = YAML::Syck::Load <$fh>;
…		…
3025	sub main {	3334	sub main {
3026	# we must not ever block the main coroutine	3335	# we must not ever block the main coroutine
3027	local $Coro::idle = sub {	3336	local $Coro::idle = sub {
3028	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3029	(async {	3338	(async {
3030	Event::one_event;	3339	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3340	EV::loop EV::LOOP_ONESHOT;
3031	})->prio (Coro::PRIO_MAX);	3341	})->prio (Coro::PRIO_MAX);
3032	};	3342	};
3033		3343
3034	cfg_load;	3344	reload_config;
3035	db_init;	3345	db_init;
3036	load_extensions;	3346	load_extensions;
3037		3347
3038	$TICK_WATCHER->start;	3348	$TICK_WATCHER->start;
		3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3039	Event::loop;	3350	EV::loop;
3040	}	3351	}
3041		3352
3042	#############################################################################	3353	#############################################################################
3043	# initialisation and cleanup	3354	# initialisation and cleanup
3044		3355
3045	# install some emergency cleanup handlers	3356	# install some emergency cleanup handlers
3046	BEGIN {	3357	BEGIN {
		3358	our %SIGWATCHER = ();
3047	for my $signal (qw(INT HUP TERM)) {	3359	for my $signal (qw(INT HUP TERM)) {
3048	Event->signal (	3360	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	signal => $signal,
3052	prio => 0,
3053	cb => sub {
3054	cf::cleanup "SIG$signal";	3361	cf::cleanup "SIG$signal";
3055	},
3056	);	3362	};
3057	}	3363	}
3058	}	3364	}
3059		3365
3060	sub write_runtime {	3366	sub write_runtime {
3061	my $runtime = "$LOCALDIR/runtime";	3367	my $runtime = "$LOCALDIR/runtime";
…		…
3106	# and maps saved/destroyed asynchronously.	3412	# and maps saved/destroyed asynchronously.
3107	warn "begin emergency player save\n";	3413	warn "begin emergency player save\n";
3108	for my $login (keys %cf::PLAYER) {	3414	for my $login (keys %cf::PLAYER) {
3109	my $pl = $cf::PLAYER{$login} or next;	3415	my $pl = $cf::PLAYER{$login} or next;
3110	$pl->valid or next;	3416	$pl->valid or next;
		3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3111	$pl->save;	3418	$pl->save;
3112	}	3419	}
3113	warn "end emergency player save\n";	3420	warn "end emergency player save\n";
3114		3421
3115	warn "begin emergency map save\n";	3422	warn "begin emergency map save\n";
…		…
3154	warn "syncing database to disk";	3461	warn "syncing database to disk";
3155	BDB::db_env_txn_checkpoint $DB_ENV;	3462	BDB::db_env_txn_checkpoint $DB_ENV;
3156		3463
3157	# if anything goes wrong in here, we should simply crash as we already saved	3464	# if anything goes wrong in here, we should simply crash as we already saved
3158		3465
3159	warn "cancelling all WF_AUTOCANCEL watchers";
3160	for (Event::all_watchers) {
3161	$_->cancel if $_->data & WF_AUTOCANCEL;
3162	}
3163
3164	warn "flushing outstanding aio requests";	3466	warn "flushing outstanding aio requests";
3165	for (;;) {	3467	for (;;) {
3166	BDB::flush;	3468	BDB::flush;
3167	IO::AIO::flush;	3469	IO::AIO::flush;
3168	Coro::cede;	3470	Coro::cede_notself;
3169	last unless IO::AIO::nreqs || BDB::nreqs;	3471	last unless IO::AIO::nreqs || BDB::nreqs;
3170	warn "iterate...";	3472	warn "iterate...";
3171	}	3473	}
3172		3474
3173	++$RELOAD;	3475	++$RELOAD;
…		…
3232	warn "reloading cf.pm";	3534	warn "reloading cf.pm";
3233	require cf;	3535	require cf;
3234	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3235		3537
3236	warn "loading config and database again";	3538	warn "loading config and database again";
3237	cf::cfg_load;	3539	cf::reload_config;
3238		3540
3239	warn "loading extensions";	3541	warn "loading extensions";
3240	cf::load_extensions;	3542	cf::load_extensions;
3241		3543
3242	warn "reattaching attachments to objects/players";	3544	warn "reattaching attachments to objects/players";
…		…
3262		3564
3263	sub reload_perl() {	3565	sub reload_perl() {
3264	# doing reload synchronously and two reloads happen back-to-back,	3566	# doing reload synchronously and two reloads happen back-to-back,
3265	# coro crashes during coro_state_free->destroy here.	3567	# coro crashes during coro_state_free->destroy here.
3266		3568
3267	$RELOAD_WATCHER ||= Event->timer (	3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3268	reentrant => 0,
3269	after => 0,
3270	data => WF_AUTOCANCEL,
3271	cb => sub {
3272	do_reload_perl;
3273	undef $RELOAD_WATCHER;	3570	undef $RELOAD_WATCHER;
3274	},	3571	do_reload_perl;
3275	);	3572	};
3276	}	3573	}
3277		3574
3278	register_command "reload" => sub {	3575	register_command "reload" => sub {
3279	my ($who, $arg) = @_;	3576	my ($who, $arg) = @_;
3280		3577
3281	if ($who->flag (FLAG_WIZ)) {	3578	if ($who->flag (FLAG_WIZ)) {
3282	$who->message ("reloading server.");	3579	$who->message ("reloading server.");
		3580	async {
		3581	$Coro::current->{desc} = "perl_reload";
3283	async { reload_perl };	3582	reload_perl;
		3583	};
3284	}	3584	}
3285	};	3585	};
3286		3586
3287	unshift @INC, $LIBDIR;	3587	unshift @INC, $LIBDIR;
3288		3588
…		…
3307	my $signal = new Coro::Signal;	3607	my $signal = new Coro::Signal;
3308	push @WAIT_FOR_TICK_BEGIN, $signal;	3608	push @WAIT_FOR_TICK_BEGIN, $signal;
3309	$signal->wait;	3609	$signal->wait;
3310	}	3610	}
3311		3611
3312	my $min = 1e6;#d#	3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3313	my $avg = 10;
3314	$TICK_WATCHER = Event->timer (
3315	reentrant => 0,
3316	parked => 1,
3317	prio => 0,
3318	at => $NEXT_TICK || $TICK,
3319	data => WF_AUTOCANCEL,
3320	cb => sub {
3321	if ($Coro::current != $Coro::main) {	3613	if ($Coro::current != $Coro::main) {
3322	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3323	unless ++$bug_warning > 10;	3615	unless ++$bug_warning > 10;
3324	return;	3616	return;
3325	}	3617	}
3326		3618
3327	$NOW = $tick_start = Event::time;	3619	$NOW = $tick_start = EV::now;
3328		3620
3329	cf::server_tick; # one server iteration	3621	cf::server_tick; # one server iteration
3330		3622
3331	0 && sync_job {#d#	3623	$RUNTIME += $TICK;
3332	for(1..10) {	3624	$NEXT_TICK = $_[0]->at;
3333	my $t = Event::time;
3334	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3335	or die;
3336		3625
3337	$map->width (50);	3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3338	$map->height (50);	3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3339	$map->alloc;	3628	Coro::async_pool {
3340	$map->_load_objects ("/tmp/x.map", 1);	3629	$Coro::current->{desc} = "runtime saver";
3341	my $t = Event::time - $t;	3630	write_runtime
3342		3631	or warn "ERROR: unable to write runtime file: $!";
3343	#next unless $t < 0.0013;#d#
3344	if ($t < $min) {
3345	$min = $t;
3346	}
3347	$avg = $avg * 0.99 + $t * 0.01;
3348	}
3349	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3350	exit 0;
3351	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3352	};	3632	};
		3633	}
3353		3634
3354	$RUNTIME += $TICK;
3355	$NEXT_TICK += $TICK;
3356
3357	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3358	$NEXT_RUNTIME_WRITE = $NOW + 10;
3359	Coro::async_pool {
3360	write_runtime
3361	or warn "ERROR: unable to write runtime file: $!";
3362	};
3363	}
3364
3365	# my $AFTER = Event::time;
3366	# warn $AFTER - $NOW;#d#
3367
3368	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3369	$sig->send;	3636	$sig->send;
3370	}	3637	}
3371	while (my $sig = shift @WAIT_FOR_TICK) {	3638	while (my $sig = shift @WAIT_FOR_TICK) {
3372	$sig->send;	3639	$sig->send;
3373	}	3640	}
3374		3641
3375	$NOW = Event::time;
3376
3377	# if we are delayed by four ticks or more, skip them all
3378	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3379
3380	$TICK_WATCHER->at ($NEXT_TICK);
3381	$TICK_WATCHER->start;
3382
3383	$LOAD = ($NOW - $tick_start) / $TICK;	3642	$LOAD = ($NOW - $tick_start) / $TICK;
3384	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3385		3644
3386	_post_tick;	3645	_post_tick;
3387		3646	};
3388		3647	$TICK_WATCHER->priority (EV::MAXPRI);
3389	},
3390	);
3391		3648
3392	{	3649	{
3393	BDB::max_poll_time $TICK * 0.1;	3650	# configure BDB
3394	$BDB_POLL_WATCHER = Event->io (	3651
3395	reentrant => 0,
3396	fd => BDB::poll_fileno,
3397	poll => 'r',
3398	prio => 0,
3399	data => WF_AUTOCANCEL,
3400	cb => \&BDB::poll_cb,
3401	);
3402	BDB::min_parallel 8;	3652	BDB::min_parallel 8;
3403		3653	BDB::max_poll_reqs $TICK * 0.1;
3404	BDB::set_sync_prepare {	3654	$Coro::BDB::WATCHER->priority (1);
3405	my $status;
3406	my $current = $Coro::current;
3407	(
3408	sub {
3409	$status = $!;
3410	$current->ready; undef $current;
3411	},
3412	sub {
3413	Coro::schedule while defined $current;
3414	$! = $status;
3415	},
3416	)
3417	};
3418		3655
3419	unless ($DB_ENV) {	3656	unless ($DB_ENV) {
3420	$DB_ENV = BDB::db_env_create;	3657	$DB_ENV = BDB::db_env_create;
		3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3659	| BDB::LOG_AUTOREMOVE, 1);
		3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3421		3662
3422	cf::sync_job {	3663	cf::sync_job {
3423	eval {	3664	eval {
3424	BDB::db_env_open	3665	BDB::db_env_open
3425	$DB_ENV,	3666	$DB_ENV,
…		…
3427	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3668	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3428	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3669	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3429	0666;	3670	0666;
3430		3671
3431	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3672	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3432
3433	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3434	$DB_ENV->set_lk_detect;
3435	};	3673	};
3436		3674
3437	cf::cleanup "db_env_open(db): $@" if $@;	3675	cf::cleanup "db_env_open(db): $@" if $@;
3438	};	3676	};
3439	}	3677	}
		3678
		3679	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3680	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3681	};
		3682	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3683	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3684	};
		3685	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3686	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3687	};
3440	}	3688	}
3441		3689
3442	{	3690	{
		3691	# configure IO::AIO
		3692
3443	IO::AIO::min_parallel 8;	3693	IO::AIO::min_parallel 8;
3444
3445	undef $Coro::AIO::WATCHER;
3446	IO::AIO::max_poll_time $TICK * 0.1;	3694	IO::AIO::max_poll_time $TICK * 0.1;
3447	$AIO_POLL_WATCHER = Event->io (	3695	$Coro::AIO::WATCHER->priority (1);
3448	reentrant => 0,
3449	data => WF_AUTOCANCEL,
3450	fd => IO::AIO::poll_fileno,
3451	poll => 'r',
3452	prio => 6,
3453	cb => \&IO::AIO::poll_cb,
3454	);
3455	}	3696	}
3456		3697
3457	my $_log_backtrace;	3698	my $_log_backtrace;
3458		3699
3459	sub _log_backtrace {	3700	sub _log_backtrace {
…		…
3463		3704
3464	# limit the # of concurrent backtraces	3705	# limit the # of concurrent backtraces
3465	if ($_log_backtrace < 2) {	3706	if ($_log_backtrace < 2) {
3466	++$_log_backtrace;	3707	++$_log_backtrace;
3467	async {	3708	async {
		3709	$Coro::current->{desc} = "abt $msg";
		3710
3468	my @bt = fork_call {	3711	my @bt = fork_call {
3469	@addr = map { sprintf "%x", $_ } @addr;	3712	@addr = map { sprintf "%x", $_ } @addr;
3470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3713	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3714	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3472	or die "addr2line: $!";	3715	or die "addr2line: $!";

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