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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC vs.
Revision 1.441 by root, Sat Aug 30 05:19:03 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.64 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
24	use Coro::Util ();	49	use Coro::Util ();
25		50
26	use JSON::XS ();	51	use JSON::XS 2.01 ();
27	use BDB ();	52	use BDB ();
28	use Data::Dumper;	53	use Data::Dumper;
29	use Digest::MD5;	54	use Digest::MD5;
30	use Fcntl;	55	use Fcntl;
31	use YAML::Syck ();	56	use YAML ();
32	use IO::AIO 2.32 ();	57	use IO::AIO ();
33	use Time::HiRes;	58	use Time::HiRes;
34	use Compress::LZF;	59	use Compress::LZF;
35	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
36		63
37	# configure various modules to our taste	64	# configure various modules to our taste
38	#	65	#
39	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	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	68	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
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47		69
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		71
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		73
…		…
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
75		98
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	101	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	107	our $DB_ENV;
86		108
87	our %CFG;	109	our %CFG;
88		110
89	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
91		114
92	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
95		118
96	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		121
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	125	our $TICK_START; # for load detecting purposes
102		126
103	binmode STDOUT;	127	binmode STDOUT;
104	binmode STDERR;	128	binmode STDERR;
105		129
106	# read virtual server time, if available	130	# read virtual server time, if available
…		…
159		183
160	The raw value load value from the last tick.	184	The raw value load value from the last tick.
161		185
162	=item %cf::CFG	186	=item %cf::CFG
163		187
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	189	from wherever your confdir points to.
166		190
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		192
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	211	$msg .= "\n"
188	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
189		213
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		215
192	utf8::encode $msg;
193	LOG llevError, $msg;	216	LOG llevError, $msg;
194	};	217	};
195	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
196		234
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	245	for my $pkg (qw(
208	cf::global cf::attachable	246	cf::global cf::attachable
209	cf::object cf::object::player	247	cf::object cf::object::player
210	cf::client cf::player	248	cf::client cf::player
211	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
212	cf::map cf::party cf::region	251	cf::party cf::region
213	)) {	252	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	254	}
217		255
218	$Event::DIED = sub {	256	$EV::DIED = sub {
219	warn "error in event callback: @_";	257	warn "error in event callback: @_";
220	};	258	};
221		259
222	#############################################################################	260	#############################################################################
223		261
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	285	$d
248	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
249	}	287	}
250		288
251	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
252		290
253	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
254		292
255	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
256		294
257	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
258		296
259	=cut	297	=cut
260		298
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		300
263	sub to_json ($) { $json_coder->encode ($_[0]) }	301	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	302	sub decode_json($) { $json_coder->decode ($_[0]) }
265		303
266	=item cf::lock_wait $string	304	=item cf::lock_wait $string
267		305
268	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
269		307
…		…
285	Return true if the lock is currently active, i.e. somebody has locked it.	323	Return true if the lock is currently active, i.e. somebody has locked it.
286		324
287	=cut	325	=cut
288		326
289	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
290		329
291	sub lock_wait($) {	330	sub lock_wait($) {
292	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
293		337
294	# wait for lock, if any	338	# wait for lock, if any
295	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;	341	Coro::schedule;
…		…
303		347
304	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
305	lock_wait $key;	349	lock_wait $key;
306		350
307	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
308		353
309	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
310	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
312	}	358	}
313	}	359	}
314		360
…		…
317		363
318	! ! $LOCK{$key}	364	! ! $LOCK{$key}
319	}	365	}
320		366
321	sub freeze_mainloop {	367	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
323		369
324	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
325	$TICK_WATCHER->start;	371	}
326	};	372
327	$TICK_WATCHER->stop;	373	=item cf::periodic $interval, $cb
328	$guard	374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
329	}	386	}
330		387
331	=item cf::get_slot $time[, $priority[, $name]]	388	=item cf::get_slot $time[, $priority[, $name]]
332		389
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	401	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	402	our $SLOT_QUEUE;
346		403
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
349	my $signal = new Coro::Signal;	408	my $signal = new Coro::Signal;
350		409
351	while () {	410	while () {
352	next_job:	411	next_job:
353	my $avail = cf::till_tick;	412	my $avail = cf::till_tick;
…		…
361	}	420	}
362	}	421	}
363	}	422	}
364		423
365	if (@SLOT_QUEUE) {	424	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	426	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	427	$signal->wait;
369	} else {	428	} else {
370	Coro::schedule;	429	Coro::schedule;
371	}	430	}
372	}	431	}
373	};	432	};
374		433
375	sub get_slot($;$$) {	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
376	my ($time, $pri, $name) = @_;	437	my ($time, $pri, $name) = @_;
377		438
378	$time = $TICK * .6 if $time > $TICK * .6;	439	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	440	my $sig = new Coro::Signal;
380		441
…		…
394		455
395	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
396		457
397	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
398		459
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	460	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	461	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	463	acceptable.
403		464
404	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		471
411	sub sync_job(&) {	472	sub sync_job(&) {
412	my ($job) = @_;	473	my ($job) = @_;
413		474
414	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	476	my $time = EV::time;
416		477
417	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
419		480
420	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	482
422	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
423		484
424	my $busy = 1;	485	my $busy = 1;
425	my @res;	486	my @res;
426		487
427	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	490	@res = eval { $job->() };
429	warn $@ if $@;	491	warn $@ if $@;
430	undef $busy;	492	undef $busy;
431	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
432		494
433	while ($busy) {	495	while ($busy) {
434	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
435	}	500	}
		501	}
436		502
437	$time = Event::time - $time;	503	my $time = EV::time - $time;
438		504
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
443		506
444	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
445	} else {	508	} else {
446	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
447		510
…		…
472	=item fork_call { }, $args	535	=item fork_call { }, $args
473		536
474	Executes the given code block with the given arguments in a seperate	537	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	538	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	539	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	540	never block itself or use any form of event handling.
478		541
479	=cut	542	=cut
480		543
481	sub fork_call(&@) {	544	sub fork_call(&@) {
482	my ($cb, @args) = @_;	545	my ($cb, @args) = @_;
483		546
484	# we seemingly have to make a local copy of the whole thing,	547	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	548	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	549	# TODO: investigate and fix (likely this will be rather laborious)
487		550
488	my @res = Coro::Util::fork_eval {	551	my @res = Coro::Util::fork_eval {
489	reset_signals;	552	reset_signals;
490	&$cb	553	&$cb
491	}, @args;	554	}, @args;
492		555
493	wantarray ? @res : $res[-1]	556	wantarray ? @res : $res[-1]
494	}	557	}
495		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
496	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
497		587
498	Returns a single value from the environment database.	588	Returns a single value from the environment database.
499		589
500	=item cf::db_put $family => $key => $value	590	=item cf::db_put $family => $key => $value
501		591
502	Stores the given C<$value> in the family. It can currently store binary	592	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
505	=cut	600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
506		618
507	our $DB;	619	our $DB;
508		620
509	sub db_init {	621	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	622	cf::sync_job {
514	eval {	623	$DB ||= db_table "db";
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}	624	};
524	}	625	}
525		626
526	sub db_get($$) {	627	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	628	my $key = "$_[0]/$_[1]";
528		629
…		…
632	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
634		735
635	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	738	Deliantra).
638		739
639	=over 4	740	=over 4
640		741
641	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
642		743
…		…
924	}	1025	}
925		1026
926	0	1027	0
927	}	1028	}
928		1029
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1031
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1033
933	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
934		1035
…		…
940		1041
941	=cut	1042	=cut
942		1043
943	#############################################################################	1044	#############################################################################
944	# object support	1045	# object support
945	#
946		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
947	sub _can_merge {	1080	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1081	my ($ob1, $ob2) = @_;
949		1082
950	local $Storable::canonical = 1;	1083	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1084
954	$fob1 eq $fob2	1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
955	}	1087	}
956		1088
957	sub reattach {	1089	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1091	my ($obj) = @_;
960		1092
		1093	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1095
963	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
964		1097
965	@$registry = ();	1098	@$registry = ();
966		1099
…		…
981	cf::attachable->attach (	1114	cf::attachable->attach (
982	prio => -1000000,	1115	prio => -1000000,
983	on_instantiate => sub {	1116	on_instantiate => sub {
984	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
985		1118
986	$data = from_json $data;	1119	$data = decode_json $data;
987		1120
988	for (@$data) {	1121	for (@$data) {
989	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
990		1123
991	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1140	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
1009		1142
1010	sync_job {	1143	sync_job {
1011	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
1014		1148
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
1019	close $fh;	1153	aio_close $fh;
1020		1154
1021	if (@$objs) {	1155	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1027	close $fh;	1161	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1163	}
1030	} else {	1164	} else {
1031	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1032	}	1166	}
…		…
1037	}	1171	}
1038	} else {	1172	} else {
1039	aio_unlink $filename;	1173	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
1041	}	1175	}
1042	}	1176	};
1043	}	1177	}
1044		1178
1045	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
1047		1181
…		…
1059	or return;	1193	or return;
1060		1194
1061	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1197	or return;
		1198
1064	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
1065	}	1201	}
1066		1202
		1203	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1205	$decname, length $data, scalar @{$av || []};
		1206
1069	return ($data, $av);	1207	($data, $av)
1070	}	1208	}
1071		1209
1072	=head2 COMMAND CALLBACKS	1210	=head2 COMMAND CALLBACKS
1073		1211
1074	=over 4	1212	=over 4
…		…
1197		1335
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1338
1201	$ext{source} =	1339	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1341	. "#line 1 \"$path\"\n{\n"
1204	. $source	1342	. $source
1205	. "\n};\n1";	1343	. "\n};\n1";
1206		1344
1207	$todo{$base} = \%ext;	1345	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1361	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1362	: "$v->{base}: extension inactive.\n";
1225		1363
1226	if (exists $v->{meta}{mandatory}) {	1364	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1365	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1366	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1367	}
1231		1368
1232	warn $msg;	1369	warn $msg;
1233	}	1370	}
1234		1371
…		…
1259	use Coro::AIO;	1396	use Coro::AIO;
1260		1397
1261	=head3 cf::player	1398	=head3 cf::player
1262		1399
1263	=over 4	1400	=over 4
		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
1264		1415
1265	=item cf::player::find $login	1416	=item cf::player::find $login
1266		1417
1267	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
1268		1419
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1458	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1459
1309	my $pl = load_pl path $login	1460	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1312	}	1469	}
1313	}	1470	}
1314	}	1471	}
1315		1472
…		…
1323		1480
1324	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1325		1482
1326	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
		1485
		1486	cf::get_slot 0.01;
1328		1487
1329	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1489	cf::cede_to_tick;
1331	}	1490	}
1332		1491
…		…
1368	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we nuked the dir
1370		1529
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1375		1536
1376	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1574	or return [];
1414		1575
1415	my @logins;	1576	my @logins;
1416		1577
1417	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1421		1588
1422	utf8::decode $login;	1589	utf8::decode $login;
1423	push @logins, $login;	1590	push @logins, $login;
1424	}	1591	}
1425		1592
…		…
1458		1625
1459	Expand crossfire pod fragments into protocol xml.	1626	Expand crossfire pod fragments into protocol xml.
1460		1627
1461	=cut	1628	=cut
1462		1629
		1630	use re 'eval';
		1631
		1632	my $group;
		1633	my $interior; $interior = qr{
		1634	# match a pod interior sequence sans C<< >>
		1635	(?:
		1636	\ (.*?)\ (?{ $group = $^N })
		1637	| < (??{$interior}) >
		1638	)
		1639	}x;
		1640
1463	sub expand_cfpod {	1641	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;	1642	my ($self, $pod) = @_;
1465		1643
1466	# escape & and <	1644	my $xml;
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469		1645
1470	# this is buggy, it needs to properly take care of nested <'s	1646	while () {
		1647	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1648	$group = $1;
1471		1649
1472	1 while	1650	$group =~ s/&/&amp;/g;
1473	# replace B<>, I<>, U<> etc.	1651	$group =~ s/</&lt;/g;
1474	s/B<([^\>]*)>/<b>$1<\/b>/	1652
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/	1653	$xml .= $group;
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/	1654	} elsif ($pod =~ m%\G
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/	1655	([BCGHITU])
1478	# replace G<male|female> tags	1656	<
1479	|| s{G<([^>|]*)\|([^>]*)>}{	1657	(?:
1480	$self->gender ? $2 : $1	1658	([^<>]*) (?{ $group = $^N })
1481	}ge	1659	| < $interior >
1482	# replace H<hint text>	1660	)
1483	|| s{H<([^\>]*)>}	1661	>
		1662	%gcsx
1484	{	1663	) {
		1664	my ($code, $data) = ($1, $group);
		1665
		1666	if ($code eq "B") {
		1667	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1668	} elsif ($code eq "I") {
		1669	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1670	} elsif ($code eq "U") {
		1671	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1672	} elsif ($code eq "C") {
		1673	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1674	} elsif ($code eq "T") {
		1675	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1676	} elsif ($code eq "G") {
		1677	my ($male, $female) = split /\|/, $data;
		1678	$data = $self->gender ? $female : $male;
		1679	$xml .= expand_cfpod ($self, $data);
		1680	} elsif ($code eq "H") {
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1681	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1682	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")	1683	"")
1488	[$self->{hintmode}]	1684	[$self->{hintmode}];
		1685	} else {
		1686	$xml .= "error processing '$code($data)' directive";
1489	}ge;	1687	}
		1688	} else {
		1689	if ($pod =~ /\G(.+)/) {
		1690	warn "parse error while expanding $pod (at $1)";
		1691	}
		1692	last;
		1693	}
		1694	}
1490		1695
		1696	for ($xml) {
1491	# create single paragraphs (very hackish)	1697	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;	1698	s/(?<=\S)\n(?=\w)/ /g;
1493		1699
1494	# compress some whitespace	1700	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends	1701	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines	1702	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines	1703	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines	1704	s/\n+$//; # ending lines
		1705	}
1499		1706
1500	$_	1707	$xml
1501	}	1708	}
		1709
		1710	no re 'eval';
1502		1711
1503	sub hintmode {	1712	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;	1713	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}	1714	$_[0]{hintmode}
1506	}	1715	}
…		…
1578	our $MAX_RESET = 3600;	1787	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1788	our $DEFAULT_RESET = 3000;
1580		1789
1581	sub generate_random_map {	1790	sub generate_random_map {
1582	my ($self, $rmp) = @_;	1791	my ($self, $rmp) = @_;
		1792
		1793	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1794
1583	# mit "rum" bekleckern, nicht	1795	# mit "rum" bekleckern, nicht
1584	$self->_create_random_map (	1796	$self->_create_random_map (
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1799	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1709		1921
1710	# the temporary/swap location	1922	# the temporary/swap location
1711	sub save_path {	1923	sub save_path {
1712	my ($self) = @_;	1924	my ($self) = @_;
1713		1925
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	1927	"$TMPDIR/$path.map"
1716	}	1928	}
1717		1929
1718	# the unique path, undef == no special unique path	1930	# the unique path, undef == no special unique path
1719	sub uniq_path {	1931	sub uniq_path {
1720	my ($self) = @_;	1932	my ($self) = @_;
1721		1933
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	1935	"$UNIQUEDIR/$path"
1724	}	1936	}
1725		1937
1726	# and all this just because we cannot iterate over	1938	# and all this just because we cannot iterate over
1727	# all maps in C++...	1939	# all maps in C++...
…		…
1750		1962
1751	sub load_header_from($) {	1963	sub load_header_from($) {
1752	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1753		1965
1754	utf8::encode $path;	1966	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	1968	or return;
		1969
		1970	$self->_load_header ($f)
		1971	or return;
		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
1760		1975
1761	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1762		1977
1763	1	1978	1
1764	}	1979	}
…		…
1818	sub find {	2033	sub find {
1819	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1820		2035
1821	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1822		2037
		2038	cf::lock_wait "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	2039	cf::lock_wait "map_find:$path";
1824		2040
1825	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
		2042	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1826	my $guard = cf::lock_acquire "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
		2044
1827	my $map = new_from_path cf::map $path	2045	my $map = new_from_path cf::map $path
1828	or return;	2046	or return;
1829		2047
1830	$map->{last_save} = $cf::RUNTIME;	2048	$map->{last_save} = $cf::RUNTIME;
1831		2049
…		…
1833	or return;	2051	or return;
1834		2052
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2053	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	2054	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	2055	#$cf::WAIT_FOR_TICK->wait;
		2056	undef $guard2;
		2057	undef $guard1;
1838	$map->reset;	2058	$map->reset;
1839	undef $guard;
1840	return find $path;	2059	return find $path;
1841	}	2060	}
1842		2061
1843	$cf::MAP{$path} = $map	2062	$cf::MAP{$path} = $map
1844	}	2063	}
…		…
1853	local $self->{deny_reset} = 1; # loading can take a long time	2072	local $self->{deny_reset} = 1; # loading can take a long time
1854		2073
1855	my $path = $self->{path};	2074	my $path = $self->{path};
1856		2075
1857	{	2076	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2077	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2078
		2079	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2080	return unless $self->in_memory == cf::MAP_SWAPPED;
1862		2081
1863	$self->in_memory (cf::MAP_LOADING);	2082	$self->in_memory (cf::MAP_LOADING);
1864		2083
1865	$self->alloc;	2084	$self->alloc;
1866		2085
1867	$self->pre_load;	2086	$self->pre_load;
1868	cf::cede_to_tick;	2087	cf::cede_to_tick;
1869		2088
		2089	my $f = new_from_file cf::object::thawer $self->{load_path};
		2090	$f->skip_block;
1870	$self->_load_objects ($self->{load_path}, 1)	2091	$self->_load_objects ($f)
1871	or return;	2092	or return;
1872		2093
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2094	$self->post_load_original
1874	if delete $self->{load_original};	2095	if delete $self->{load_original};
1875		2096
1876	if (my $uniq = $self->uniq_path) {	2097	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2098	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2099	unless (aio_stat $uniq) {
		2100	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2101	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2102	$self->_load_objects ($f);
		2103	$f->resolve_delayed_derefs;
		2104	}
1881	}	2105	}
1882	}	2106	}
		2107
		2108	$f->resolve_delayed_derefs;
1883		2109
1884	cf::cede_to_tick;	2110	cf::cede_to_tick;
1885	# now do the right thing for maps	2111	# now do the right thing for maps
1886	$self->link_multipart_objects;	2112	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2113	$self->difficulty ($self->estimate_difficulty)
…		…
1899	}	2125	}
1900		2126
1901	$self->{last_save} = $cf::RUNTIME;	2127	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2128	$self->last_access ($cf::RUNTIME);
1903		2129
1904	$self->in_memory (cf::MAP_IN_MEMORY);	2130	$self->in_memory (cf::MAP_ACTIVE);
1905	}	2131	}
1906		2132
1907	$self->post_load;	2133	$self->post_load;
1908	}	2134	}
1909		2135
…		…
1967	my ($path, $origin, $load) = @_;	2193	my ($path, $origin, $load) = @_;
1968		2194
1969	$path = normalise $path, $origin && $origin->{path};	2195	$path = normalise $path, $origin && $origin->{path};
1970		2196
1971	if (my $map = $cf::MAP{$path}) {	2197	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2198	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2199	}
1974		2200
1975	$MAP_PREFETCH{$path} |= $load;	2201	$MAP_PREFETCH{$path} |= $load;
1976		2202
1977	$MAP_PREFETCHER ||= cf::async {	2203	$MAP_PREFETCHER ||= cf::async {
		2204	$Coro::current->{desc} = "map prefetcher";
		2205
1978	while (%MAP_PREFETCH) {	2206	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2207	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2208	if (my $map = find $k) {
1981	$map->load if $v;	2209	$map->load if $v;
1982	}	2210	}
…		…
2008	return if $self->{deny_save};	2236	return if $self->{deny_save};
2009		2237
2010	local $self->{last_access} = $self->last_access;#d#	2238	local $self->{last_access} = $self->last_access;#d#
2011		2239
2012	cf::async {	2240	cf::async {
		2241	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2242	$_->contr->save for $self->players;
2014	};	2243	};
		2244
		2245	cf::get_slot 0.02;
2015		2246
2016	if ($uniq) {	2247	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2249	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2250	} else {
…		…
2028	$self->save;	2259	$self->save;
2029		2260
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2262
2032	return if $self->players;	2263	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;	2264	return if $self->in_memory != cf::MAP_ACTIVE;
2034	return if $self->{deny_save};	2265	return if $self->{deny_save};
2035		2266
		2267	$self->in_memory (cf::MAP_SWAPPED);
		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
2036	$self->clear;	2271	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2272	}
2039		2273
2040	sub reset_at {	2274	sub reset_at {
2041	my ($self) = @_;	2275	my ($self) = @_;
2042		2276
…		…
2074	if $uniq;	2308	if $uniq;
2075	}	2309	}
2076		2310
2077	delete $cf::MAP{$self->path};	2311	delete $cf::MAP{$self->path};
2078		2312
		2313	$self->deactivate;
		2314	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2315	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2316
2083	$self->unlink_save;	2317	$self->unlink_save;
2084	$self->destroy;	2318	$self->destroy;
2085	}	2319	}
2086		2320
…		…
2153		2387
2154	sub unique_maps() {	2388	sub unique_maps() {
2155	[	2389	[
2156	map {	2390	map {
2157	utf8::decode $_;	2391	utf8::decode $_;
2158	/\.map$/	2392	s/\.map$//; # TODO future compatibility hack
		2393	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2394	? ()
2159	? normalise $_	2395	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2396	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2397	]
2163	}	2398	}
2164		2399
2165	package cf;
2166
2167	=back	2400	=back
2168		2401
2169	=head3 cf::object	2402	=head3 cf::object
2170		2403
2171	=cut	2404	=cut
…		…
2174		2407
2175	=over 4	2408	=over 4
2176		2409
2177	=item $ob->inv_recursive	2410	=item $ob->inv_recursive
2178		2411
2179	Returns the inventory of the object _and_ their inventories, recursively.	2412	Returns the inventory of the object I<and> their inventories, recursively,
		2413	but I<not> the object itself.
2180		2414
2181	=cut	2415	=cut
2182		2416
2183	sub inv_recursive_;	2417	sub inv_recursive_;
2184	sub inv_recursive_ {	2418	sub inv_recursive_ {
…		…
2187		2421
2188	sub inv_recursive {	2422	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2423	inv_recursive_ inv $_[0]
2190	}	2424	}
2191		2425
		2426	=item $ref = $ob->ref
		2427
		2428	Creates and returns a persistent reference to an object that can be stored as a string.
		2429
		2430	=item $ob = cf::object::deref ($refstring)
		2431
		2432	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2433	even if the object actually exists. May block.
		2434
		2435	=cut
		2436
		2437	sub deref {
		2438	my ($ref) = @_;
		2439
		2440	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2441	my ($uuid, $name) = ($1, $2);
		2442	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2443	or return;
		2444	$pl->ob->uuid eq $uuid
		2445	or return;
		2446
		2447	$pl->ob
		2448	} else {
		2449	warn "$ref: cannot resolve object reference\n";
		2450	undef
		2451	}
		2452	}
		2453
2192	package cf;	2454	package cf;
2193		2455
2194	=back	2456	=back
2195		2457
2196	=head3 cf::object::player	2458	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2464	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	can be C<undef>. Does the right thing when the player is currently in a	2465	can be C<undef>. Does the right thing when the player is currently in a
2204	dialogue with the given NPC character.	2466	dialogue with the given NPC character.
2205		2467
2206	=cut	2468	=cut
		2469
		2470	our $SAY_CHANNEL = {
		2471	id => "say",
		2472	title => "Map",
		2473	reply => "say ",
		2474	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2475	};
		2476
		2477	our $CHAT_CHANNEL = {
		2478	id => "chat",
		2479	title => "Chat",
		2480	reply => "chat ",
		2481	tooltip => "Player chat and shouts, global to the server.",
		2482	};
2207		2483
2208	# rough implementation of a future "reply" method that works	2484	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2485	# with dialog boxes.
2210	#TODO: the first argument must go, split into a $npc->reply_to ( method	2486	#TODO: the first argument must go, split into a $npc->reply_to ( method
2211	sub cf::object::player::reply($$$;$) {	2487	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2499	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2500	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2501
2226	} else {	2502	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2503	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2504	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2505	}
2230	}	2506	}
2231	}	2507	}
2232		2508
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2509	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2341	her, loading and preparing them map, calling the provided $check callback	2617	her, loading and preparing them map, calling the provided $check callback
2342	that has to return the map if sucecssful, and then unfreezes the player on	2618	that has to return the map if sucecssful, and then unfreezes the player on
2343	the new (success) or old (failed) map position. In either case, $done will	2619	the new (success) or old (failed) map position. In either case, $done will
2344	be called at the end of this process.	2620	be called at the end of this process.
2345		2621
		2622	Note that $check will be called with a potentially non-loaded map, so if
		2623	it needs a loaded map it has to call C<< ->load >>.
		2624
2346	=cut	2625	=cut
2347		2626
2348	our $GOTOGEN;	2627	our $GOTOGEN;
2349		2628
2350	sub cf::object::player::goto {	2629	sub cf::object::player::goto {
…		…
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2633	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2634
2356	$self->enter_link;	2635	$self->enter_link;
2357		2636
2358	(async {	2637	(async {
		2638	$Coro::current->{desc} = "player::goto $path $x $y";
		2639
		2640	# *tag paths override both path and x|y
		2641	if ($path =~ /^\*(.*)$/) {
		2642	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2643	my $ob = $obs[rand @obs];
		2644
		2645	# see if we actually can go there
		2646	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2647	$ob = $obs[rand @obs];
		2648	} else {
		2649	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2650	}
		2651	# else put us there anyways for now #d#
		2652
		2653	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2654	} else {
		2655	($path, $x, $y) = (undef, undef, undef);
		2656	}
		2657	}
		2658
2359	my $map = eval {	2659	my $map = eval {
2360	my $map = cf::map::find $path;	2660	my $map = defined $path ? cf::map::find $path : undef;
2361		2661
2362	if ($map) {	2662	if ($map) {
2363	$map = $map->customise_for ($self);	2663	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2664	$map = $check->($map) if $check && $map;
2365	} else {	2665	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2666	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2667	}
2368		2668
2369	$map	2669	$map
2370	};	2670	};
2371		2671
…		…
2407	}	2707	}
2408		2708
2409	sub prepare_random_map {	2709	sub prepare_random_map {
2410	my ($exit) = @_;	2710	my ($exit) = @_;
2411		2711
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2712	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2713	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2714	# that depends on the exit object
2417		2715
2418	my $rmp = parse_random_map_params $exit->msg;	2716	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2718	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2719	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2720	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2721	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2722	$rmp->{origin_y} = $exit->y;
		2723
		2724	$exit->map->touch;
2425	}	2725	}
2426		2726
2427	$rmp->{random_seed} ||= $exit->random_seed;	2727	$rmp->{random_seed} ||= $exit->random_seed;
2428		2728
2429	my $data = cf::to_json $rmp;	2729	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2730	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2731	my $meta = "$RANDOMDIR/$md5.meta";
2432		2732
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2733	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2734	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2735	undef $fh;
2436	aio_rename "$meta~", $meta;	2736	aio_rename "$meta~", $meta;
2437		2737
		2738	my $slaying = "?random/$md5";
		2739
		2740	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2741	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2742	$exit->msg (undef);
		2743	}
2440	}	2744	}
2441	}	2745	}
2442		2746
2443	sub cf::object::player::enter_exit {	2747	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2748	my ($self, $exit) = @_;
2445		2749
2446	return unless $self->type == cf::PLAYER;	2750	return unless $self->type == cf::PLAYER;
2447		2751
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2752	$self->enter_link;
2460		2753
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2754	(async {
2466	$self->deactivate_recursive; # just to be sure	2755	$Coro::current->{desc} = "enter_exit";
		2756
2467	unless (eval {	2757	unless (eval {
		2758	$self->deactivate_recursive; # just to be sure
		2759
		2760	# random map handling
		2761	{
		2762	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2763
		2764	prepare_random_map $exit
		2765	if $exit->slaying eq "/!";
		2766	}
		2767
		2768	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2769	my $x = $exit->stats->hp;
		2770	my $y = $exit->stats->sp;
		2771
2468	$self->goto ($slaying, $hp, $sp);	2772	$self->goto ($map, $x, $y);
2469		2773
		2774	# if exit is damned, update players death & WoR home-position
		2775	$self->contr->savebed ($map, $x, $y)
		2776	if $exit->flag (cf::FLAG_DAMNED);
		2777
2470	1;	2778	1
2471	}) {	2779	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	2780	$self->message ("Something went wrong deep within the crossfire server. "
2473	. "I'll try to bring you back to the map you were before. "	2781	. "I'll try to bring you back to the map you were before. "
2474	. "Please report this to the dungeon master!",	2782	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	2783	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	2813	the message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	2814	the message unless the client supports the msg packet.
2507		2815
2508	=cut	2816	=cut
2509		2817
		2818	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	2819	our %CHANNEL = (
2511	"c/identify" => {	2820	"c/identify" => {
2512	id => "identify",	2821	id => "infobox",
2513	title => "Identify",	2822	title => "Identify",
2514	reply => undef,	2823	reply => undef,
2515	tooltip => "Items recently identified",	2824	tooltip => "Items recently identified",
2516	},	2825	},
2517	"c/examine" => {	2826	"c/examine" => {
2518	id => "examine",	2827	id => "infobox",
2519	title => "Examine",	2828	title => "Examine",
2520	reply => undef,	2829	reply => undef,
2521	tooltip => "Signs and other items you examined",	2830	tooltip => "Signs and other items you examined",
2522	},	2831	},
		2832	"c/book" => {
		2833	id => "infobox",
		2834	title => "Book",
		2835	reply => undef,
		2836	tooltip => "The contents of a note or book",
		2837	},
		2838	"c/lookat" => {
		2839	id => "infobox",
		2840	title => "Look",
		2841	reply => undef,
		2842	tooltip => "What you saw there",
		2843	},
		2844	"c/who" => {
		2845	id => "infobox",
		2846	title => "Players",
		2847	reply => undef,
		2848	tooltip => "Shows players who are currently online",
		2849	},
		2850	"c/body" => {
		2851	id => "infobox",
		2852	title => "Body Parts",
		2853	reply => undef,
		2854	tooltip => "Shows which body parts you posess and are available",
		2855	},
		2856	"c/uptime" => {
		2857	id => "infobox",
		2858	title => "Uptime",
		2859	reply => undef,
		2860	tooltip => "How long the server has been running since last restart",
		2861	},
		2862	"c/mapinfo" => {
		2863	id => "infobox",
		2864	title => "Map Info",
		2865	reply => undef,
		2866	tooltip => "Information related to the maps",
		2867	},
		2868	"c/party" => {
		2869	id => "party",
		2870	title => "Party",
		2871	reply => "gsay ",
		2872	tooltip => "Messages and chat related to your party",
		2873	},
2523	);	2874	);
2524		2875
2525	sub cf::client::send_msg {	2876	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	2877	my ($self, $channel, $msg, $color, @extra) = @_;
2527		2878
2528	$msg = $self->pl->expand_cfpod ($msg);	2879	$msg = $self->pl->expand_cfpod ($msg);
2529		2880
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	2881	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		2882
2532	# check predefined channels, for the benefit of C	2883	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2884	if ($CHANNEL{$channel}) {
		2885	$channel = $CHANNEL{$channel};
2534		2886
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889
		2890	$channel = $channel->{id};
		2891
2535	if (ref $channel) {	2892	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	2893	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	2894	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	2895	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel);	2896	$self->ext_msg (channel_info => $channel)
		2897	if $self->can_msg;
2540	}	2898	}
2541		2899
2542	$channel = $channel->{id};	2900	$channel = $channel->{id};
2543	}	2901	}
2544		2902
…		…
2756	=pod	3114	=pod
2757		3115
2758	The following functions and methods are available within a safe environment:	3116	The following functions and methods are available within a safe environment:
2759		3117
2760	cf::object	3118	cf::object
2761	contr pay_amount pay_player map x y force_find force_add	3119	contr pay_amount pay_player map x y force_find force_add destroy
2762	insert remove name archname title slaying race decrease_ob_nr	3120	insert remove name archname title slaying race decrease split
2763		3121
2764	cf::object::player	3122	cf::object::player
2765	player	3123	player
2766		3124
2767	cf::player	3125	cf::player
…		…
2772		3130
2773	=cut	3131	=cut
2774		3132
2775	for (	3133	for (
2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3134	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2777	insert remove inv name archname title slaying race	3135	insert remove inv nrof name archname title slaying race
2778	decrease_ob_nr)],	3136	decrease split destroy change_exp)],
2779	["cf::object::player" => qw(player)],	3137	["cf::object::player" => qw(player)],
2780	["cf::player" => qw(peaceful)],	3138	["cf::player" => qw(peaceful)],
2781	["cf::map" => qw(trigger)],	3139	["cf::map" => qw(trigger)],
2782	) {	3140	) {
2783	no strict 'refs';	3141	no strict 'refs';
…		…
2888	{	3246	{
2889	my $faces = $facedata->{faceinfo};	3247	my $faces = $facedata->{faceinfo};
2890		3248
2891	while (my ($face, $info) = each %$faces) {	3249	while (my ($face, $info) = each %$faces) {
2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3251
2893	cf::face::set_visibility $idx, $info->{visibility};	3252	cf::face::set_visibility $idx, $info->{visibility};
2894	cf::face::set_magicmap $idx, $info->{magicmap};	3253	cf::face::set_magicmap $idx, $info->{magicmap};
2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3254	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3255	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2897		3256
2898	cf::cede_to_tick;	3257	cf::cede_to_tick;
2899	}	3258	}
2900		3259
2901	while (my ($face, $info) = each %$faces) {	3260	while (my ($face, $info) = each %$faces) {
2902	next unless $info->{smooth};	3261	next unless $info->{smooth};
		3262
2903	my $idx = cf::face::find $face	3263	my $idx = cf::face::find $face
2904	or next;	3264	or next;
		3265
2905	if (my $smooth = cf::face::find $info->{smooth}) {	3266	if (my $smooth = cf::face::find $info->{smooth}) {
2906	cf::face::set_smooth $idx, $smooth;	3267	cf::face::set_smooth $idx, $smooth;
2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3268	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2908	} else {	3269	} else {
2909	warn "smooth face '$info->{smooth}' not found for face '$face'";	3270	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2927	{	3288	{
2928	# TODO: for gcfclient pleasure, we should give resources	3289	# TODO: for gcfclient pleasure, we should give resources
2929	# that gcfclient doesn't grok a >10000 face index.	3290	# that gcfclient doesn't grok a >10000 face index.
2930	my $res = $facedata->{resource};	3291	my $res = $facedata->{resource};
2931		3292
2932	my $soundconf = delete $res->{"res/sound.conf"};
2933
2934	while (my ($name, $info) = each %$res) {	3293	while (my ($name, $info) = each %$res) {
		3294	if (defined $info->{type}) {
2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3295	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2936	my $data;	3296	my $data;
2937		3297
2938	if ($info->{type} & 1) {	3298	if ($info->{type} & 1) {
2939	# prepend meta info	3299	# prepend meta info
2940		3300
2941	my $meta = $enc->encode ({	3301	my $meta = $enc->encode ({
2942	name => $name,	3302	name => $name,
2943	%{ $info->{meta} || {} },	3303	%{ $info->{meta} || {} },
2944	});	3304	});
2945		3305
2946	$data = pack "(w/a*)*", $meta, $info->{data};	3306	$data = pack "(w/a*)*", $meta, $info->{data};
		3307	} else {
		3308	$data = $info->{data};
		3309	}
		3310
		3311	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3312	cf::face::set_type $idx, $info->{type};
2947	} else {	3313	} else {
2948	$data = $info->{data};	3314	$RESOURCE{$name} = $info;
2949	}	3315	}
2950		3316
2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2952	cf::face::set_type $idx, $info->{type};
2953
2954	cf::cede_to_tick;	3317	cf::cede_to_tick;
2955	}	3318	}
2956
2957	if ($soundconf) {
2958	$soundconf = $enc->decode (delete $soundconf->{data});
2959
2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2961	my $sound = $soundconf->{compat}[$_]
2962	or next;
2963
2964	my $face = cf::face::find "sound/$sound->[1]";
2965	cf::sound::set $sound->[0] => $face;
2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2967	}
2968
2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
2970	my $face = cf::face::find "sound/$v";
2971	cf::sound::set $k => $face;
2972	}
2973	}
2974	}	3319	}
		3320
		3321	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2975		3322
2976	1	3323	1
2977	}	3324	}
		3325
		3326	cf::global->attach (on_resource_update => sub {
		3327	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3328	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3329
		3330	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3331	my $sound = $soundconf->{compat}[$_]
		3332	or next;
		3333
		3334	my $face = cf::face::find "sound/$sound->[1]";
		3335	cf::sound::set $sound->[0] => $face;
		3336	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3337	}
		3338
		3339	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3340	my $face = cf::face::find "sound/$v";
		3341	cf::sound::set $k => $face;
		3342	}
		3343	}
		3344	});
2978		3345
2979	register_exticmd fx_want => sub {	3346	register_exticmd fx_want => sub {
2980	my ($ns, $want) = @_;	3347	my ($ns, $want) = @_;
2981		3348
2982	while (my ($k, $v) = each %$want) {	3349	while (my ($k, $v) = each %$want) {
2983	$ns->fx_want ($k, $v);	3350	$ns->fx_want ($k, $v);
2984	}	3351	}
2985	};	3352	};
		3353
		3354	sub load_resource_file($) {
		3355	my $guard = lock_acquire "load_resource_file";
		3356
		3357	my $status = load_resource_file_ $_[0];
		3358	get_slot 0.1, 100;
		3359	cf::arch::commit_load;
		3360
		3361	$status
		3362	}
2986		3363
2987	sub reload_regions {	3364	sub reload_regions {
2988	# HACK to clear player env face cache, we need some signal framework	3365	# HACK to clear player env face cache, we need some signal framework
2989	# for this (global event?)	3366	# for this (global event?)
2990	%ext::player_env::MUSIC_FACE_CACHE = ();	3367	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3004	}	3381	}
3005		3382
3006	sub reload_archetypes {	3383	sub reload_archetypes {
3007	load_resource_file "$DATADIR/archetypes"	3384	load_resource_file "$DATADIR/archetypes"
3008	or die "unable to load archetypes\n";	3385	or die "unable to load archetypes\n";
3009	#d# NEED to laod twice to resolve forward references
3010	# this really needs to be done in an extra post-pass
3011	# (which needs to be synchronous, so solve it differently)
3012	load_resource_file "$DATADIR/archetypes"
3013	or die "unable to load archetypes\n";
3014	}	3386	}
3015		3387
3016	sub reload_treasures {	3388	sub reload_treasures {
3017	load_resource_file "$DATADIR/treasures"	3389	load_resource_file "$DATADIR/treasures"
3018	or die "unable to load treasurelists\n";	3390	or die "unable to load treasurelists\n";
3019	}	3391	}
3020		3392
3021	sub reload_resources {	3393	sub reload_resources {
3022	warn "reloading resource files...\n";	3394	warn "reloading resource files...\n";
3023		3395
		3396	reload_facedata;
		3397	reload_archetypes;
3024	reload_regions;	3398	reload_regions;
3025	reload_facedata;
3026	#reload_archetypes;#d#
3027	reload_archetypes;
3028	reload_treasures;	3399	reload_treasures;
3029		3400
3030	warn "finished reloading resource files\n";	3401	warn "finished reloading resource files\n";
3031	}	3402	}
3032		3403
3033	sub init {	3404	sub init {
		3405	my $guard = freeze_mainloop;
		3406
		3407	evthread_start IO::AIO::poll_fileno;
		3408
3034	reload_resources;	3409	reload_resources;
3035	}	3410	}
3036		3411
3037	sub reload_config {	3412	sub reload_config {
3038	open my $fh, "<:utf8", "$CONFDIR/config"	3413	open my $fh, "<:utf8", "$CONFDIR/config"
3039	or return;	3414	or return;
3040		3415
3041	local $/;	3416	local $/;
3042	*CFG = YAML::Syck::Load <$fh>;	3417	*CFG = YAML::Load <$fh>;
3043		3418
3044	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3045		3420
3046	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3421	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3047	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3422	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3058	sub main {	3433	sub main {
3059	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
3060	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
3061	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3062	(async {	3437	(async {
3063	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
3064	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
3065	};	3441	};
3066		3442
		3443	{
		3444	my $guard = freeze_mainloop;
3067	reload_config;	3445	reload_config;
3068	db_init;	3446	db_init;
3069	load_extensions;	3447	load_extensions;
3070		3448
3071	$TICK_WATCHER->start;	3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3450	}
		3451
3072	Event::loop;	3452	EV::loop;
3073	}	3453	}
3074		3454
3075	#############################################################################	3455	#############################################################################
3076	# initialisation and cleanup	3456	# initialisation and cleanup
3077		3457
3078	# install some emergency cleanup handlers	3458	# install some emergency cleanup handlers
3079	BEGIN {	3459	BEGIN {
		3460	our %SIGWATCHER = ();
3080	for my $signal (qw(INT HUP TERM)) {	3461	for my $signal (qw(INT HUP TERM)) {
3081	Event->signal (	3462	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3082	reentrant => 0,
3083	data => WF_AUTOCANCEL,
3084	signal => $signal,
3085	prio => 0,
3086	cb => sub {
3087	cf::cleanup "SIG$signal";	3463	cf::cleanup "SIG$signal";
3088	},
3089	);	3464	};
3090	}	3465	}
3091	}	3466	}
3092		3467
3093	sub write_runtime {	3468	sub write_runtime_sync {
3094	my $runtime = "$LOCALDIR/runtime";	3469	my $runtime = "$LOCALDIR/runtime";
3095		3470
3096	# first touch the runtime file to show we are still running:	3471	# first touch the runtime file to show we are still running:
3097	# the fsync below can take a very very long time.	3472	# the fsync below can take a very very long time.
3098		3473
…		…
3124	and return;	3499	and return;
3125		3500
3126	warn "runtime file written.\n";	3501	warn "runtime file written.\n";
3127		3502
3128	1	3503	1
		3504	}
		3505
		3506	our $uuid_lock;
		3507	our $uuid_skip;
		3508
		3509	sub write_uuid_sync($) {
		3510	$uuid_skip ||= $_[0];
		3511
		3512	return if $uuid_lock;
		3513	local $uuid_lock = 1;
		3514
		3515	my $uuid = "$LOCALDIR/uuid";
		3516
		3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3518	or return;
		3519
		3520	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
3129	}	3547	}
3130		3548
3131	sub emergency_save() {	3549	sub emergency_save() {
3132	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
3133		3551
…		…
3139	# and maps saved/destroyed asynchronously.	3557	# and maps saved/destroyed asynchronously.
3140	warn "begin emergency player save\n";	3558	warn "begin emergency player save\n";
3141	for my $login (keys %cf::PLAYER) {	3559	for my $login (keys %cf::PLAYER) {
3142	my $pl = $cf::PLAYER{$login} or next;	3560	my $pl = $cf::PLAYER{$login} or next;
3143	$pl->valid or next;	3561	$pl->valid or next;
		3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3144	$pl->save;	3563	$pl->save;
3145	}	3564	}
3146	warn "end emergency player save\n";	3565	warn "end emergency player save\n";
3147		3566
3148	warn "begin emergency map save\n";	3567	warn "begin emergency map save\n";
…		…
3154	warn "end emergency map save\n";	3573	warn "end emergency map save\n";
3155		3574
3156	warn "begin emergency database checkpoint\n";	3575	warn "begin emergency database checkpoint\n";
3157	BDB::db_env_txn_checkpoint $DB_ENV;	3576	BDB::db_env_txn_checkpoint $DB_ENV;
3158	warn "end emergency database checkpoint\n";	3577	warn "end emergency database checkpoint\n";
		3578
		3579	warn "begin write uuid\n";
		3580	write_uuid_sync 1;
		3581	warn "end write uuid\n";
3159	};	3582	};
3160		3583
3161	warn "leave emergency perl save\n";	3584	warn "leave emergency perl save\n";
3162	}	3585	}
3163		3586
…		…
3165	my ($make_core) = @_;	3588	my ($make_core) = @_;
3166		3589
3167	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
3168	if $make_core;	3591	if $make_core;
3169	}	3592	}
		3593
		3594	# a safer delete_package, copied from Symbol
		3595	sub clear_package($) {
		3596	my $pkg = shift;
		3597
		3598	# expand to full symbol table name if needed
		3599	unless ($pkg =~ /^main::.*::$/) {
		3600	$pkg = "main$pkg" if $pkg =~ /^::/;
		3601	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3602	$pkg .= '::' unless $pkg =~ /::$/;
		3603	}
		3604
		3605	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3606	my $stem_symtab = *{$stem}{HASH};
		3607
		3608	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3609	or return;
		3610
		3611	# clear all symbols
		3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3613	for my $name (keys %$leaf_symtab) {
		3614	_gv_clear *{"$pkg$name"};
		3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3616	}
		3617	warn "cleared package #$pkg\n";#d#
		3618	}
		3619
		3620	our $RELOAD; # how many times to reload
3170		3621
3171	sub do_reload_perl() {	3622	sub do_reload_perl() {
3172	# can/must only be called in main	3623	# can/must only be called in main
3173	if ($Coro::current != $Coro::main) {	3624	if ($Coro::current != $Coro::main) {
3174	warn "can only reload from main coroutine";	3625	warn "can only reload from main coroutine";
3175	return;	3626	return;
3176	}	3627	}
3177		3628
		3629	return if $RELOAD++;
		3630
		3631	while ($RELOAD) {
3178	warn "reloading...";	3632	warn "reloading...";
3179		3633
3180	warn "entering sync_job";	3634	warn "entering sync_job";
3181		3635
3182	cf::sync_job {	3636	cf::sync_job {
3183	cf::write_runtime; # external watchdog should not bark	3637	cf::write_runtime_sync; # external watchdog should not bark
3184	cf::emergency_save;	3638	cf::emergency_save;
3185	cf::write_runtime; # external watchdog should not bark	3639	cf::write_runtime_sync; # external watchdog should not bark
3186		3640
3187	warn "syncing database to disk";	3641	warn "syncing database to disk";
3188	BDB::db_env_txn_checkpoint $DB_ENV;	3642	BDB::db_env_txn_checkpoint $DB_ENV;
3189		3643
3190	# if anything goes wrong in here, we should simply crash as we already saved	3644	# if anything goes wrong in here, we should simply crash as we already saved
3191		3645
3192	warn "cancelling all WF_AUTOCANCEL watchers";
3193	for (Event::all_watchers) {
3194	$_->cancel if $_->data & WF_AUTOCANCEL;
3195	}
3196
3197	warn "flushing outstanding aio requests";	3646	warn "flushing outstanding aio requests";
3198	for (;;) {
3199	BDB::flush;
3200	IO::AIO::flush;
3201	Coro::cede;
3202	last unless IO::AIO::nreqs || BDB::nreqs;	3647	while (IO::AIO::nreqs || BDB::nreqs) {
3203	warn "iterate...";	3648	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3204	}
3205
3206	++$RELOAD;
3207
3208	warn "cancelling all extension coros";
3209	$_->cancel for values %EXT_CORO;
3210	%EXT_CORO = ();
3211
3212	warn "removing commands";
3213	%COMMAND = ();
3214
3215	warn "removing ext/exti commands";
3216	%EXTCMD = ();
3217	%EXTICMD = ();
3218
3219	warn "unloading/nuking all extensions";
3220	for my $pkg (@EXTS) {
3221	warn "... unloading $pkg";
3222
3223	if (my $cb = $pkg->can ("unload")) {
3224	eval {
3225	$cb->($pkg);
3226	1
3227	} or warn "$pkg unloaded, but with errors: $@";
3228	}	3649	}
3229		3650
3230	warn "... nuking $pkg";	3651	warn "cancelling all extension coros";
3231	Symbol::delete_package $pkg;	3652	$_->cancel for values %EXT_CORO;
3232	}	3653	%EXT_CORO = ();
3233		3654
3234	warn "unloading all perl modules loaded from $LIBDIR";	3655	warn "removing commands";
3235	while (my ($k, $v) = each %INC) {	3656	%COMMAND = ();
3236	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3237		3657
		3658	warn "removing ext/exti commands";
		3659	%EXTCMD = ();
		3660	%EXTICMD = ();
		3661
		3662	warn "unloading/nuking all extensions";
		3663	for my $pkg (@EXTS) {
3238	warn "... unloading $k";	3664	warn "... unloading $pkg";
3239	delete $INC{$k};
3240		3665
3241	$k =~ s/\.pm$//;
3242	$k =~ s/\//::/g;
3243
3244	if (my $cb = $k->can ("unload_module")) {	3666	if (my $cb = $pkg->can ("unload")) {
		3667	eval {
3245	$cb->();	3668	$cb->($pkg);
		3669	1
		3670	} or warn "$pkg unloaded, but with errors: $@";
		3671	}
		3672
		3673	warn "... clearing $pkg";
		3674	clear_package $pkg;
3246	}	3675	}
3247		3676
3248	Symbol::delete_package $k;	3677	warn "unloading all perl modules loaded from $LIBDIR";
		3678	while (my ($k, $v) = each %INC) {
		3679	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3680
		3681	warn "... unloading $k";
		3682	delete $INC{$k};
		3683
		3684	$k =~ s/\.pm$//;
		3685	$k =~ s/\//::/g;
		3686
		3687	if (my $cb = $k->can ("unload_module")) {
		3688	$cb->();
		3689	}
		3690
		3691	clear_package $k;
3249	}	3692	}
3250		3693
3251	warn "getting rid of safe::, as good as possible";	3694	warn "getting rid of safe::, as good as possible";
3252	Symbol::delete_package "safe::$_"	3695	clear_package "safe::$_"
3253	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3696	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3254		3697
3255	warn "unloading cf.pm \"a bit\"";	3698	warn "unloading cf.pm \"a bit\"";
3256	delete $INC{"cf.pm"};	3699	delete $INC{"cf.pm"};
3257	delete $INC{"cf/pod.pm"};	3700	delete $INC{"cf/pod.pm"};
3258		3701
3259	# don't, removes xs symbols, too,	3702	# don't, removes xs symbols, too,
3260	# and global variables created in xs	3703	# and global variables created in xs
3261	#Symbol::delete_package __PACKAGE__;	3704	#clear_package __PACKAGE__;
3262		3705
3263	warn "unload completed, starting to reload now";	3706	warn "unload completed, starting to reload now";
3264		3707
3265	warn "reloading cf.pm";	3708	warn "reloading cf.pm";
3266	require cf;	3709	require cf;
3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3268		3711
3269	warn "loading config and database again";	3712	warn "loading config and database again";
3270	cf::reload_config;	3713	cf::reload_config;
3271		3714
3272	warn "loading extensions";	3715	warn "loading extensions";
3273	cf::load_extensions;	3716	cf::load_extensions;
3274		3717
3275	warn "reattaching attachments to objects/players";	3718	warn "reattaching attachments to objects/players";
3276	_global_reattach; # objects, sockets	3719	_global_reattach; # objects, sockets
3277	warn "reattaching attachments to maps";	3720	warn "reattaching attachments to maps";
3278	reattach $_ for values %MAP;	3721	reattach $_ for values %MAP;
3279	warn "reattaching attachments to players";	3722	warn "reattaching attachments to players";
3280	reattach $_ for values %PLAYER;	3723	reattach $_ for values %PLAYER;
3281		3724
3282	warn "leaving sync_job";	3725	warn "leaving sync_job";
3283		3726
3284	1	3727	1
3285	} or do {	3728	} or do {
3286	warn $@;	3729	warn $@;
3287	warn "error while reloading, exiting.";	3730	cf::cleanup "error while reloading, exiting.";
3288	exit 1;
3289	};	3731	};
3290		3732
3291	warn "reloaded";	3733	warn "reloaded";
		3734	--$RELOAD;
		3735	}
3292	};	3736	};
3293		3737
3294	our $RELOAD_WATCHER; # used only during reload	3738	our $RELOAD_WATCHER; # used only during reload
3295		3739
3296	sub reload_perl() {	3740	sub reload_perl() {
3297	# doing reload synchronously and two reloads happen back-to-back,	3741	# doing reload synchronously and two reloads happen back-to-back,
3298	# coro crashes during coro_state_free->destroy here.	3742	# coro crashes during coro_state_free->destroy here.
3299		3743
3300	$RELOAD_WATCHER ||= Event->timer (	3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3301	reentrant => 0,
3302	after => 0,
3303	data => WF_AUTOCANCEL,
3304	cb => sub {
3305	do_reload_perl;	3745	do_reload_perl;
3306	undef $RELOAD_WATCHER;	3746	undef $RELOAD_WATCHER;
3307	},
3308	);	3747	};
3309	}	3748	}
3310		3749
3311	register_command "reload" => sub {	3750	register_command "reload" => sub {
3312	my ($who, $arg) = @_;	3751	my ($who, $arg) = @_;
3313		3752
3314	if ($who->flag (FLAG_WIZ)) {	3753	if ($who->flag (FLAG_WIZ)) {
3315	$who->message ("reloading server.");	3754	$who->message ("reloading server.");
		3755	async {
		3756	$Coro::current->{desc} = "perl_reload";
3316	async { reload_perl };	3757	reload_perl;
		3758	};
3317	}	3759	}
3318	};	3760	};
3319		3761
3320	unshift @INC, $LIBDIR;	3762	unshift @INC, $LIBDIR;
3321		3763
…		…
3323		3765
3324	our @WAIT_FOR_TICK;	3766	our @WAIT_FOR_TICK;
3325	our @WAIT_FOR_TICK_BEGIN;	3767	our @WAIT_FOR_TICK_BEGIN;
3326		3768
3327	sub wait_for_tick {	3769	sub wait_for_tick {
3328	return unless $TICK_WATCHER->is_active;
3329	return if $Coro::current == $Coro::main;	3770	return if tick_inhibit || $Coro::current == $Coro::main;
3330		3771
3331	my $signal = new Coro::Signal;	3772	my $signal = new Coro::Signal;
3332	push @WAIT_FOR_TICK, $signal;	3773	push @WAIT_FOR_TICK, $signal;
3333	$signal->wait;	3774	$signal->wait;
3334	}	3775	}
3335		3776
3336	sub wait_for_tick_begin {	3777	sub wait_for_tick_begin {
3337	return unless $TICK_WATCHER->is_active;
3338	return if $Coro::current == $Coro::main;	3778	return if tick_inhibit || $Coro::current == $Coro::main;
3339		3779
3340	my $signal = new Coro::Signal;	3780	my $signal = new Coro::Signal;
3341	push @WAIT_FOR_TICK_BEGIN, $signal;	3781	push @WAIT_FOR_TICK_BEGIN, $signal;
3342	$signal->wait;	3782	$signal->wait;
3343	}	3783	}
3344		3784
3345	my $min = 1e6;#d#	3785	sub tick {
3346	my $avg = 10;
3347	$TICK_WATCHER = Event->timer (
3348	reentrant => 0,
3349	parked => 1,
3350	prio => 0,
3351	at => $NEXT_TICK || $TICK,
3352	data => WF_AUTOCANCEL,
3353	cb => sub {
3354	if ($Coro::current != $Coro::main) {	3786	if ($Coro::current != $Coro::main) {
3355	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3787	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3356	unless ++$bug_warning > 10;	3788	unless ++$bug_warning > 10;
3357	return;	3789	return;
3358	}	3790	}
3359		3791
3360	$NOW = $tick_start = Event::time;
3361
3362	cf::server_tick; # one server iteration	3792	cf::server_tick; # one server iteration
3363		3793
3364	0 && sync_job {#d#	3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3365	for(1..10) {	3795	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3366	my $t = Event::time;	3796	Coro::async_pool {
3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3797	$Coro::current->{desc} = "runtime saver";
3368	or die;	3798	write_runtime_sync
3369		3799	or warn "ERROR: unable to write runtime file: $!";
3370	$map->width (50);
3371	$map->height (50);
3372	$map->alloc;
3373	$map->_load_objects ("/tmp/x.map", 1);
3374	my $t = Event::time - $t;
3375
3376	#next unless $t < 0.0013;#d#
3377	if ($t < $min) {
3378	$min = $t;
3379	}
3380	$avg = $avg * 0.99 + $t * 0.01;
3381	}
3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3383	exit 0;
3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3385	};	3800	};
		3801	}
3386		3802
3387	$RUNTIME += $TICK;
3388	$NEXT_TICK += $TICK;
3389
3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3391	$NEXT_RUNTIME_WRITE = $NOW + 10;
3392	Coro::async_pool {
3393	write_runtime
3394	or warn "ERROR: unable to write runtime file: $!";
3395	};
3396	}
3397
3398	# my $AFTER = Event::time;
3399	# warn $AFTER - $NOW;#d#
3400
3401	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3803	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3402	$sig->send;	3804	$sig->send;
3403	}	3805	}
3404	while (my $sig = shift @WAIT_FOR_TICK) {	3806	while (my $sig = shift @WAIT_FOR_TICK) {
3405	$sig->send;	3807	$sig->send;
3406	}	3808	}
3407		3809
3408	$NOW = Event::time;	3810	$LOAD = ($NOW - $TICK_START) / $TICK;
3409
3410	# if we are delayed by four ticks or more, skip them all
3411	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3412
3413	$TICK_WATCHER->at ($NEXT_TICK);
3414	$TICK_WATCHER->start;
3415
3416	$LOAD = ($NOW - $tick_start) / $TICK;
3417	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3811	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3418		3812
3419	_post_tick;	3813	if (0) {
3420		3814	if ($NEXT_TICK) {
3421		3815	my $jitter = $TICK_START - $NEXT_TICK;
		3816	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3817	warn "jitter $JITTER\n";#d#
		3818	}
3422	},	3819	}
3423	);	3820	}
3424		3821
3425	{	3822	{
3426	BDB::max_poll_time $TICK * 0.1;	3823	# configure BDB
3427	$BDB_POLL_WATCHER = Event->io (	3824
3428	reentrant => 0,
3429	fd => BDB::poll_fileno,
3430	poll => 'r',
3431	prio => 0,
3432	data => WF_AUTOCANCEL,
3433	cb => \&BDB::poll_cb,
3434	);
3435	BDB::min_parallel 8;	3825	BDB::min_parallel 8;
3436		3826	BDB::max_poll_reqs $TICK * 0.1;
3437	BDB::set_sync_prepare {	3827	$AnyEvent::BDB::WATCHER->priority (1);
3438	my $status;
3439	my $current = $Coro::current;
3440	(
3441	sub {
3442	$status = $!;
3443	$current->ready; undef $current;
3444	},
3445	sub {
3446	Coro::schedule while defined $current;
3447	$! = $status;
3448	},
3449	)
3450	};
3451		3828
3452	unless ($DB_ENV) {	3829	unless ($DB_ENV) {
3453	$DB_ENV = BDB::db_env_create;	3830	$DB_ENV = BDB::db_env_create;
		3831	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3832	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3833	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3834	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3835	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3454		3836
3455	cf::sync_job {	3837	cf::sync_job {
3456	eval {	3838	eval {
3457	BDB::db_env_open	3839	BDB::db_env_open
3458	$DB_ENV,	3840	$DB_ENV,
…		…
3460	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3842	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3843	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3462	0666;	3844	0666;
3463		3845
3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3846	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3465
3466	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3467	$DB_ENV->set_lk_detect;
3468	};	3847	};
3469		3848
3470	cf::cleanup "db_env_open(db): $@" if $@;	3849	cf::cleanup "db_env_open(db): $@" if $@;
3471	};	3850	};
3472	}	3851	}
		3852
		3853	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3854	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3855	};
		3856	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3857	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3858	};
		3859	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3860	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3861	};
3473	}	3862	}
3474		3863
3475	{	3864	{
		3865	# configure IO::AIO
		3866
3476	IO::AIO::min_parallel 8;	3867	IO::AIO::min_parallel 8;
3477
3478	undef $Coro::AIO::WATCHER;
3479	IO::AIO::max_poll_time $TICK * 0.1;	3868	IO::AIO::max_poll_time $TICK * 0.1;
3480	$AIO_POLL_WATCHER = Event->io (	3869	undef $AnyEvent::AIO::WATCHER;
3481	reentrant => 0,
3482	data => WF_AUTOCANCEL,
3483	fd => IO::AIO::poll_fileno,
3484	poll => 'r',
3485	prio => 6,
3486	cb => \&IO::AIO::poll_cb,
3487	);
3488	}	3870	}
3489		3871
3490	my $_log_backtrace;	3872	my $_log_backtrace;
3491		3873
3492	sub _log_backtrace {	3874	sub _log_backtrace {
…		…
3496		3878
3497	# limit the # of concurrent backtraces	3879	# limit the # of concurrent backtraces
3498	if ($_log_backtrace < 2) {	3880	if ($_log_backtrace < 2) {
3499	++$_log_backtrace;	3881	++$_log_backtrace;
3500	async {	3882	async {
		3883	$Coro::current->{desc} = "abt $msg";
		3884
3501	my @bt = fork_call {	3885	my @bt = fork_call {
3502	@addr = map { sprintf "%x", $_ } @addr;	3886	@addr = map { sprintf "%x", $_ } @addr;
3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3887	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3504	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3888	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3505	or die "addr2line: $!";	3889	or die "addr2line: $!";

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