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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.360 by root, Sun Sep 9 06:25:46 2007 UTC vs.
Revision 1.427 by root, Sat Apr 26 12:25:45 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.64 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
24	use Coro::Util ();	46	use Coro::Util ();
25		47
26	use JSON::XS ();	48	use JSON::XS 2.01 ();
27	use BDB ();	49	use BDB ();
28	use Data::Dumper;	50	use Data::Dumper;
29	use Digest::MD5;	51	use Digest::MD5;
30	use Fcntl;	52	use Fcntl;
31	use YAML::Syck ();	53	use YAML ();
32	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
33	use Time::HiRes;	55	use Time::HiRes;
34	use Compress::LZF;	56	use Compress::LZF;
35	use Digest::MD5 ();	57	use Digest::MD5 ();
36		58
37	# configure various modules to our taste	59	# configure various modules to our taste
38	#	60	#
39	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	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	63	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		64
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		66
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		68
…		…
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
75		93
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	97	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		99
84	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	104	our $DB_ENV;
86		105
87	our %CFG;	106	our %CFG;
88		107
89	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
91		111
92	our (%PLAYER, %PLAYER_LOADING); # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
95		115
96	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		118
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
102		123
103	binmode STDOUT;	124	binmode STDOUT;
104	binmode STDERR;	125	binmode STDERR;
105		126
106	# read virtual server time, if available	127	# read virtual server time, if available
…		…
159		180
160	The raw value load value from the last tick.	181	The raw value load value from the last tick.
161		182
162	=item %cf::CFG	183	=item %cf::CFG
163		184
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	186	from wherever your confdir points to.
166		187
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		189
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	208	$msg .= "\n"
188	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
189		210
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		212
192	utf8::encode $msg;
193	LOG llevError, $msg;	213	LOG llevError, $msg;
194	};	214	};
195	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
196		231
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
213	)) {	248	)) {
214	no strict 'refs';	249	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	251	}
217		252
218	$Event::DIED = sub {	253	$EV::DIED = sub {
219	warn "error in event callback: @_";	254	warn "error in event callback: @_";
220	};	255	};
221		256
222	#############################################################################	257	#############################################################################
223		258
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	282	$d
248	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
249	}	284	}
250		285
251	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
252		287
253	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
254		289
255	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
256		291
257	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
258		293
259	=cut	294	=cut
260		295
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		297
263	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
265		300
266	=item cf::lock_wait $string	301	=item cf::lock_wait $string
267		302
268	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
269		304
…		…
325		360
326	! ! $LOCK{$key}	361	! ! $LOCK{$key}
327	}	362	}
328		363
329	sub freeze_mainloop {	364	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
331		366
332	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
333	$TICK_WATCHER->start;	368	}
334	};	369
335	$TICK_WATCHER->stop;	370	=item cf::periodic $interval, $cb
336	$guard	371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
337	}	383	}
338		384
339	=item cf::get_slot $time[, $priority[, $name]]	385	=item cf::get_slot $time[, $priority[, $name]]
340		386
341	Allocate $time seconds of blocking CPU time at priority C<$priority>:	387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
352	our @SLOT_QUEUE;	398	our @SLOT_QUEUE;
353	our $SLOT_QUEUE;	399	our $SLOT_QUEUE;
354		400
355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
356	$SLOT_QUEUE = Coro::async {	402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
357	my $signal = new Coro::Signal;	405	my $signal = new Coro::Signal;
358		406
359	while () {	407	while () {
360	next_job:	408	next_job:
361	my $avail = cf::till_tick;	409	my $avail = cf::till_tick;
…		…
369	}	417	}
370	}	418	}
371	}	419	}
372		420
373	if (@SLOT_QUEUE) {	421	if (@SLOT_QUEUE) {
374	# we do not use wait_For_tick() as it returns immediately when tick is inactive	422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
375	push @cf::WAIT_FOR_TICK, $signal;	423	push @cf::WAIT_FOR_TICK, $signal;
376	$signal->wait;	424	$signal->wait;
377	} else {	425	} else {
378	Coro::schedule;	426	Coro::schedule;
379	}	427	}
380	}	428	}
381	};	429	};
382		430
383	sub get_slot($;$$) {	431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
384	my ($time, $pri, $name) = @_;	434	my ($time, $pri, $name) = @_;
385		435
386	$time = $TICK * .6 if $time > $TICK * .6;	436	$time = $TICK * .6 if $time > $TICK * .6;
387	my $sig = new Coro::Signal;	437	my $sig = new Coro::Signal;
388		438
…		…
402		452
403	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
404		454
405	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
406		456
407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	457	The design of Deliantra requires that the main coroutine ($Coro::main)
408	is always able to handle events or runnable, as Crossfire TRT is only	458	is always able to handle events or runnable, as Deliantra is only
409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
410	acceptable.	460	acceptable.
411		461
412	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
413	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
…		…
418		468
419	sub sync_job(&) {	469	sub sync_job(&) {
420	my ($job) = @_;	470	my ($job) = @_;
421		471
422	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
423	my $time = Event::time;	473	my $time = EV::time;
424		474
425	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
426	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
427		477
428	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
429	# (but this is cancel-safe)	479
430	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
431		481
432	my $busy = 1;	482	my $busy = 1;
433	my @res;	483	my @res;
434		484
435	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
436	@res = eval { $job->() };	487	@res = eval { $job->() };
437	warn $@ if $@;	488	warn $@ if $@;
438	undef $busy;	489	undef $busy;
439	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
440		491
441	while ($busy) {	492	while ($busy) {
442	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
443	}	497	}
		498	}
444		499
445	$time = Event::time - $time;	500	my $time = EV::time - $time;
446		501
447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
449
450	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
451		503
452	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
453	} else {	505	} else {
454	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
455		507
…		…
480	=item fork_call { }, $args	532	=item fork_call { }, $args
481		533
482	Executes the given code block with the given arguments in a seperate	534	Executes the given code block with the given arguments in a seperate
483	process, returning the results. Everything must be serialisable with	535	process, returning the results. Everything must be serialisable with
484	Coro::Storable. May, of course, block. Note that the executed sub may	536	Coro::Storable. May, of course, block. Note that the executed sub may
485	never block itself or use any form of Event handling.	537	never block itself or use any form of event handling.
486		538
487	=cut	539	=cut
488		540
489	sub fork_call(&@) {	541	sub fork_call(&@) {
490	my ($cb, @args) = @_;	542	my ($cb, @args) = @_;
…		…
499	}, @args;	551	}, @args;
500		552
501	wantarray ? @res : $res[-1]	553	wantarray ? @res : $res[-1]
502	}	554	}
503		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
504	=item $value = cf::db_get $family => $key	583	=item $value = cf::db_get $family => $key
505		584
506	Returns a single value from the environment database.	585	Returns a single value from the environment database.
507		586
508	=item cf::db_put $family => $key => $value	587	=item cf::db_put $family => $key => $value
509		588
510	Stores the given C<$value> in the family. It can currently store binary	589	Stores the given C<$value> in the family. It can currently store binary
511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
512		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
513	=cut	597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
514		615
515	our $DB;	616	our $DB;
516		617
517	sub db_init {	618	sub db_init {
518	unless ($DB) {
519	$DB = BDB::db_create $DB_ENV;
520
521	cf::sync_job {	619	cf::sync_job {
522	eval {	620	$DB ||= db_table "db";
523	$DB->set_flags (BDB::CHKSUM);
524
525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
527	cf::cleanup "db_open(db): $!" if $!;
528	};
529	cf::cleanup "db_open(db): $@" if $@;
530	};
531	}	621	};
532	}	622	}
533		623
534	sub db_get($$) {	624	sub db_get($$) {
535	my $key = "$_[0]/$_[1]";	625	my $key = "$_[0]/$_[1]";
536		626
…		…
640	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
641	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
642		732
643	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
644	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
645	Crossfire TRT).	735	Deliantra).
646		736
647	=over 4	737	=over 4
648		738
649	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
650		740
…		…
932	}	1022	}
933		1023
934	0	1024	0
935	}	1025	}
936		1026
937	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
938		1028
939	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
940		1030
941	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
942		1032
…		…
948		1038
949	=cut	1039	=cut
950		1040
951	#############################################################################	1041	#############################################################################
952	# object support	1042	# object support
953	#
954		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
955	sub _can_merge {	1077	sub _can_merge {
956	my ($ob1, $ob2) = @_;	1078	my ($ob1, $ob2) = @_;
957		1079
958	local $Storable::canonical = 1;	1080	++$SLOW_MERGES;#d#
959	my $fob1 = Storable::freeze $ob1;
960	my $fob2 = Storable::freeze $ob2;
961		1081
962	$fob1 eq $fob2	1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
963	}	1084	}
964		1085
965	sub reattach {	1086	sub reattach {
966	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
967	my ($obj) = @_;	1088	my ($obj) = @_;
…		…
989	cf::attachable->attach (	1110	cf::attachable->attach (
990	prio => -1000000,	1111	prio => -1000000,
991	on_instantiate => sub {	1112	on_instantiate => sub {
992	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
993		1114
994	$data = from_json $data;	1115	$data = decode_json $data;
995		1116
996	for (@$data) {	1117	for (@$data) {
997	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
998		1119
999	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
1013	);	1134	);
1014		1135
1015	sub object_freezer_save {	1136	sub object_freezer_save {
1016	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
1017		1138
1018	my $guard = cf::lock_acquire "io";
1019
1020	sync_job {	1139	sync_job {
1021	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
1022	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
1023	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
1024		1144
1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1026	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1028	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
1029	close $fh;	1149	aio_close $fh;
1030		1150
1031	if (@$objs) {	1151	if (@$objs) {
1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1033	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
1034	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1035	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
1036	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1037	close $fh;	1157	aio_close $fh;
1038	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
1039	}	1159	}
1040	} else {	1160	} else {
1041	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
1042	}	1162	}
…		…
1048	} else {	1168	} else {
1049	aio_unlink $filename;	1169	aio_unlink $filename;
1050	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
1051	}	1171	}
1052	};	1172	};
1053
1054	undef $guard;
1055	}	1173	}
1056		1174
1057	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
1058	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
1059		1177
…		…
1064		1182
1065	sub object_thawer_load {	1183	sub object_thawer_load {
1066	my ($filename) = @_;	1184	my ($filename) = @_;
1067		1185
1068	my ($data, $av);	1186	my ($data, $av);
1069
1070	my $guard = cf::lock_acquire "io";
1071		1187
1072	(aio_load $filename, $data) >= 0	1188	(aio_load $filename, $data) >= 0
1073	or return;	1189	or return;
1074		1190
1075	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
1076	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
1077	or return;	1193	or return;
1078		1194
1079	undef $guard;
1080	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
1081	}	1197	}
1082		1198
		1199	utf8::decode (my $decname = $filename);
1083	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
1084	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
1085		1202
1086	($data, $av)	1203	($data, $av)
1087	}	1204	}
1088		1205
1089	=head2 COMMAND CALLBACKS	1206	=head2 COMMAND CALLBACKS
…		…
1240	my $msg = $@ ? "$v->{path}: $@\n"	1357	my $msg = $@ ? "$v->{path}: $@\n"
1241	: "$v->{base}: extension inactive.\n";	1358	: "$v->{base}: extension inactive.\n";
1242		1359
1243	if (exists $v->{meta}{mandatory}) {	1360	if (exists $v->{meta}{mandatory}) {
1244	warn $msg;	1361	warn $msg;
1245	warn "mandatory extension failed to load, exiting.\n";	1362	cf::cleanup "mandatory extension failed to load, exiting.";
1246	exit 1;
1247	}	1363	}
1248		1364
1249	warn $msg;	1365	warn $msg;
1250	}	1366	}
1251		1367
…		…
1276	use Coro::AIO;	1392	use Coro::AIO;
1277		1393
1278	=head3 cf::player	1394	=head3 cf::player
1279		1395
1280	=over 4	1396	=over 4
		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
1281		1411
1282	=item cf::player::find $login	1412	=item cf::player::find $login
1283		1413
1284	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1285		1415
…		…
1324	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1325		1455
1326	my $f = new_from_file cf::object::thawer path $login	1456	my $f = new_from_file cf::object::thawer path $login
1327	or return;	1457	or return;
1328		1458
1329	$f->next;
1330	my $pl = cf::player::load_pl $f	1459	my $pl = cf::player::load_pl $f
1331	or return;	1460	or return;
		1461
1332	local $cf::PLAYER_LOADING{$login} = $pl;	1462	local $cf::PLAYER_LOADING{$login} = $pl;
1333	$f->resolve_delayed_derefs;	1463	$f->resolve_delayed_derefs;
1334	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1335	}	1465	}
1336	}	1466	}
…		…
1346		1476
1347	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1348		1478
1349	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1350	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
		1481
		1482	cf::get_slot 0.01;
1351		1483
1352	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1353	cf::cede_to_tick;	1485	cf::cede_to_tick;
1354	}	1486	}
1355		1487
…		…
1439		1571
1440	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
1441	my $path = path $login;	1573	my $path = path $login;
1442		1574
1443	# a .pst is a dead give-away for a valid player	1575	# a .pst is a dead give-away for a valid player
1444	unless (-e "$path.pst") {	1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1446	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1447	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
1448	}	1581	}
1449		1582
…		…
1486		1619
1487	Expand crossfire pod fragments into protocol xml.	1620	Expand crossfire pod fragments into protocol xml.
1488		1621
1489	=cut	1622	=cut
1490		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
1491	sub expand_cfpod {	1635	sub expand_cfpod {
1492	((my $self), (local $_)) = @_;	1636	my ($self, $pod) = @_;
1493		1637
1494	# escape & and <	1638	my $xml;
1495	s/&/&amp;/g;
1496	s/(?<![BIUGHT])</&lt;/g;
1497		1639
1498	# this is buggy, it needs to properly take care of nested <'s	1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
1499		1643
1500	1 while	1644	$group =~ s/&/&amp;/g;
1501	# replace B<>, I<>, U<> etc.	1645	$group =~ s/</&lt;/g;
1502	s/B<([^\>]*)>/<b>$1<\/b>/	1646
1503	|| s/I<([^\>]*)>/<i>$1<\/i>/	1647	$xml .= $group;
1504	|| s/U<([^\>]*)>/<u>$1<\/u>/	1648	} elsif ($pod =~ m%\G
1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/	1649	([BCGHITU])
1506	# replace G<male|female> tags	1650	<
1507	|| s{G<([^>|]*)\|([^>]*)>}{	1651	(?:
1508	$self->gender ? $2 : $1	1652	([^<>]*) (?{ $group = $^N })
1509	}ge	1653	| < $interior >
1510	# replace H<hint text>	1654	)
1511	|| s{H<([^\>]*)>}	1655	>
		1656	%gcsx
1512	{	1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1515	"")	1677	"")
1516	[$self->{hintmode}]	1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
1517	}ge;	1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
1518		1689
		1690	for ($xml) {
1519	# create single paragraphs (very hackish)	1691	# create single paragraphs (very hackish)
1520	s/(?<=\S)\n(?=\w)/ /g;	1692	s/(?<=\S)\n(?=\w)/ /g;
1521		1693
1522	# compress some whitespace	1694	# compress some whitespace
1523	s/\s+\n/\n/g; # ws line-ends	1695	s/\s+\n/\n/g; # ws line-ends
1524	s/\n\n+/\n/g; # double lines	1696	s/\n\n+/\n/g; # double lines
1525	s/^\n+//; # beginning lines	1697	s/^\n+//; # beginning lines
1526	s/\n+$//; # ending lines	1698	s/\n+$//; # ending lines
		1699	}
1527		1700
1528	$_	1701	$xml
1529	}	1702	}
		1703
		1704	no re 'eval';
1530		1705
1531	sub hintmode {	1706	sub hintmode {
1532	$_[0]{hintmode} = $_[1] if @_ > 1;	1707	$_[0]{hintmode} = $_[1] if @_ > 1;
1533	$_[0]{hintmode}	1708	$_[0]{hintmode}
1534	}	1709	}
…		…
1606	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1607	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1608		1783
1609	sub generate_random_map {	1784	sub generate_random_map {
1610	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1611	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1612	$self->_create_random_map (	1790	$self->_create_random_map (
1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1737		1915
1738	# the temporary/swap location	1916	# the temporary/swap location
1739	sub save_path {	1917	sub save_path {
1740	my ($self) = @_;	1918	my ($self) = @_;
1741		1919
1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743	"$TMPDIR/$path.map"	1921	"$TMPDIR/$path.map"
1744	}	1922	}
1745		1923
1746	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1747	sub uniq_path {	1925	sub uniq_path {
1748	my ($self) = @_;	1926	my ($self) = @_;
1749		1927
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$UNIQUEDIR/$path"	1929	"$UNIQUEDIR/$path"
1752	}	1930	}
1753		1931
1754	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1755	# all maps in C++...	1933	# all maps in C++...
…		…
1941	}	2119	}
1942		2120
1943	$self->{last_save} = $cf::RUNTIME;	2121	$self->{last_save} = $cf::RUNTIME;
1944	$self->last_access ($cf::RUNTIME);	2122	$self->last_access ($cf::RUNTIME);
1945		2123
1946	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
1947	}	2125	}
1948		2126
1949	$self->post_load;	2127	$self->post_load;
1950	}	2128	}
1951		2129
…		…
2009	my ($path, $origin, $load) = @_;	2187	my ($path, $origin, $load) = @_;
2010		2188
2011	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
2012		2190
2013	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2015	}	2193	}
2016		2194
2017	$MAP_PREFETCH{$path} |= $load;	2195	$MAP_PREFETCH{$path} |= $load;
2018		2196
2019	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
2020	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
2021	while (my ($k, $v) = each %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
2022	if (my $map = find $k) {	2202	if (my $map = find $k) {
2023	$map->load if $v;	2203	$map->load if $v;
2024	}	2204	}
…		…
2050	return if $self->{deny_save};	2230	return if $self->{deny_save};
2051		2231
2052	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
2053		2233
2054	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
2055	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
2056	};	2237	};
		2238
		2239	cf::get_slot 0.02;
2057		2240
2058	if ($uniq) {	2241	if ($uniq) {
2059	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2060	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2061	} else {	2244	} else {
…		…
2070	$self->save;	2253	$self->save;
2071		2254
2072	my $lock = cf::lock_acquire "map_data:$self->{path}";	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
2073		2256
2074	return if $self->players;	2257	return if $self->players;
2075	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
2076	return if $self->{deny_save};	2259	return if $self->{deny_save};
2077		2260
2078	$self->in_memory (cf::MAP_SWAPPED);	2261	$self->in_memory (cf::MAP_SWAPPED);
2079		2262
2080	$self->deactivate;	2263	$self->deactivate;
…		…
2198		2381
2199	sub unique_maps() {	2382	sub unique_maps() {
2200	[	2383	[
2201	map {	2384	map {
2202	utf8::decode $_;	2385	utf8::decode $_;
2203	/\.map$/	2386	s/\.map$//; # TODO future compatibility hack
		2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2388	? ()
2204	? normalise $_	2389	: normalise $_
2205	: ()
2206	} @{ aio_readdir $UNIQUEDIR or [] }	2390	} @{ aio_readdir $UNIQUEDIR or [] }
2207	]	2391	]
2208	}	2392	}
2209		2393
2210	package cf;
2211
2212	=back	2394	=back
2213		2395
2214	=head3 cf::object	2396	=head3 cf::object
2215		2397
2216	=cut	2398	=cut
…		…
2219		2401
2220	=over 4	2402	=over 4
2221		2403
2222	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
2223		2405
2224	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
2225		2408
2226	=cut	2409	=cut
2227		2410
2228	sub inv_recursive_;	2411	sub inv_recursive_;
2229	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
2234	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
2235	}	2418	}
2236		2419
2237	=item $ref = $ob->ref	2420	=item $ref = $ob->ref
2238		2421
2239	creates and returns a persistent reference to an objetc that can be stored as a string.	2422	Creates and returns a persistent reference to an object that can be stored as a string.
2240		2423
2241	=item $ob = cf::object::deref ($refstring)	2424	=item $ob = cf::object::deref ($refstring)
2242		2425
2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2244	even if the object actually exists. May block.	2427	even if the object actually exists. May block.
…		…
2246	=cut	2429	=cut
2247		2430
2248	sub deref {	2431	sub deref {
2249	my ($ref) = @_;	2432	my ($ref) = @_;
2250		2433
2251	# temporary compatibility#TODO#remove
2252	$ref =~ s{^<}{player/<};
2253
2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2255	my ($uuid, $name) = ($1, $2);	2435	my ($uuid, $name) = ($1, $2);
2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2257	or return;	2437	or return;
2258	$pl->ob->uuid eq $uuid	2438	$pl->ob->uuid eq $uuid
2259	or return;	2439	or return;
…		…
2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2610	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2431		2611
2432	$self->enter_link;	2612	$self->enter_link;
2433		2613
2434	(async {	2614	(async {
		2615	$Coro::current->{desc} = "player::goto $path $x $y";
		2616
		2617	# *tag paths override both path and x|y
		2618	if ($path =~ /^\*(.*)$/) {
		2619	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2620	my $ob = $obs[rand @obs];
		2621
		2622	# see if we actually can go there
		2623	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2624	$ob = $obs[rand @obs];
		2625	} else {
		2626	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2627	}
		2628	# else put us there anyways for now #d#
		2629
		2630	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2631	} else {
		2632	($path, $x, $y) = (undef, undef, undef);
		2633	}
		2634	}
		2635
2435	my $map = eval {	2636	my $map = eval {
2436	my $map = cf::map::find $path;	2637	my $map = defined $path ? cf::map::find $path : undef;
2437		2638
2438	if ($map) {	2639	if ($map) {
2439	$map = $map->customise_for ($self);	2640	$map = $map->customise_for ($self);
2440	$map = $check->($map) if $check && $map;	2641	$map = $check->($map) if $check && $map;
2441	} else {	2642	} else {
2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2643	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2443	}	2644	}
2444		2645
2445	$map	2646	$map
2446	};	2647	};
2447		2648
…		…
2500	$rmp->{origin_y} = $exit->y;	2701	$rmp->{origin_y} = $exit->y;
2501	}	2702	}
2502		2703
2503	$rmp->{random_seed} ||= $exit->random_seed;	2704	$rmp->{random_seed} ||= $exit->random_seed;
2504		2705
2505	my $data = cf::to_json $rmp;	2706	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2506	my $md5 = Digest::MD5::md5_hex $data;	2707	my $md5 = Digest::MD5::md5_hex $data;
2507	my $meta = "$RANDOMDIR/$md5.meta";	2708	my $meta = "$RANDOMDIR/$md5.meta";
2508		2709
2509	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2710	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2510	aio_write $fh, 0, (length $data), $data, 0;	2711	aio_write $fh, 0, (length $data), $data, 0;
…		…
2537	# if exit is damned, update players death & WoR home-position	2738	# if exit is damned, update players death & WoR home-position
2538	$self->contr->savebed ($slaying, $hp, $sp)	2739	$self->contr->savebed ($slaying, $hp, $sp)
2539	if $exit->flag (FLAG_DAMNED);	2740	if $exit->flag (FLAG_DAMNED);
2540		2741
2541	(async {	2742	(async {
		2743	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2744
2542	$self->deactivate_recursive; # just to be sure	2745	$self->deactivate_recursive; # just to be sure
2543	unless (eval {	2746	unless (eval {
2544	$self->goto ($slaying, $hp, $sp);	2747	$self->goto ($slaying, $hp, $sp);
2545		2748
2546	1;	2749	1;
…		…
2581	the message, with C<log> being the default. If C<$color> is negative, suppress	2784	the message, with C<log> being the default. If C<$color> is negative, suppress
2582	the message unless the client supports the msg packet.	2785	the message unless the client supports the msg packet.
2583		2786
2584	=cut	2787	=cut
2585		2788
		2789	# non-persistent channels (usually the info channel)
2586	our %CHANNEL = (	2790	our %CHANNEL = (
2587	"c/identify" => {	2791	"c/identify" => {
2588	id => "identify",	2792	id => "infobox",
2589	title => "Identify",	2793	title => "Identify",
2590	reply => undef,	2794	reply => undef,
2591	tooltip => "Items recently identified",	2795	tooltip => "Items recently identified",
2592	},	2796	},
2593	"c/examine" => {	2797	"c/examine" => {
2594	id => "examine",	2798	id => "infobox",
2595	title => "Examine",	2799	title => "Examine",
2596	reply => undef,	2800	reply => undef,
2597	tooltip => "Signs and other items you examined",	2801	tooltip => "Signs and other items you examined",
2598	},	2802	},
		2803	"c/book" => {
		2804	id => "infobox",
		2805	title => "Book",
		2806	reply => undef,
		2807	tooltip => "The contents of a note or book",
		2808	},
		2809	"c/lookat" => {
		2810	id => "infobox",
		2811	title => "Look",
		2812	reply => undef,
		2813	tooltip => "What you saw there",
		2814	},
		2815	"c/who" => {
		2816	id => "infobox",
		2817	title => "Players",
		2818	reply => undef,
		2819	tooltip => "Shows players who are currently online",
		2820	},
		2821	"c/body" => {
		2822	id => "infobox",
		2823	title => "Body Parts",
		2824	reply => undef,
		2825	tooltip => "Shows which body parts you posess and are available",
		2826	},
		2827	"c/uptime" => {
		2828	id => "infobox",
		2829	title => "Uptime",
		2830	reply => undef,
		2831	tooltip => "How long the server has been running since last restart",
		2832	},
		2833	"c/mapinfo" => {
		2834	id => "infobox",
		2835	title => "Map Info",
		2836	reply => undef,
		2837	tooltip => "Information related to the maps",
		2838	},
		2839	"c/party" => {
		2840	id => "party",
		2841	title => "Party",
		2842	reply => "gsay ",
		2843	tooltip => "Messages and chat related to your party",
		2844	},
2599	);	2845	);
2600		2846
2601	sub cf::client::send_msg {	2847	sub cf::client::send_msg {
2602	my ($self, $channel, $msg, $color, @extra) = @_;	2848	my ($self, $channel, $msg, $color, @extra) = @_;
2603		2849
2604	$msg = $self->pl->expand_cfpod ($msg);	2850	$msg = $self->pl->expand_cfpod ($msg);
2605		2851
2606	$color &= cf::NDI_CLIENT_MASK; # just in case...	2852	$color &= cf::NDI_CLIENT_MASK; # just in case...
2607		2853
2608	# check predefined channels, for the benefit of C	2854	# check predefined channels, for the benefit of C
2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2855	if ($CHANNEL{$channel}) {
		2856	$channel = $CHANNEL{$channel};
2610		2857
		2858	$self->ext_msg (channel_info => $channel)
		2859	if $self->can_msg;
		2860
		2861	$channel = $channel->{id};
		2862
2611	if (ref $channel) {	2863	} elsif (ref $channel) {
2612	# send meta info to client, if not yet sent	2864	# send meta info to client, if not yet sent
2613	unless (exists $self->{channel}{$channel->{id}}) {	2865	unless (exists $self->{channel}{$channel->{id}}) {
2614	$self->{channel}{$channel->{id}} = $channel;	2866	$self->{channel}{$channel->{id}} = $channel;
2615	$self->ext_msg (channel_info => $channel)	2867	$self->ext_msg (channel_info => $channel)
2616	if $self->can_msg;	2868	if $self->can_msg;
…		…
2833	=pod	3085	=pod
2834		3086
2835	The following functions and methods are available within a safe environment:	3087	The following functions and methods are available within a safe environment:
2836		3088
2837	cf::object	3089	cf::object
2838	contr pay_amount pay_player map x y force_find force_add	3090	contr pay_amount pay_player map x y force_find force_add destroy
2839	insert remove name archname title slaying race decrease_ob_nr	3091	insert remove name archname title slaying race decrease split
2840		3092
2841	cf::object::player	3093	cf::object::player
2842	player	3094	player
2843		3095
2844	cf::player	3096	cf::player
…		…
2850	=cut	3102	=cut
2851		3103
2852	for (	3104	for (
2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3105	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2854	insert remove inv name archname title slaying race	3106	insert remove inv name archname title slaying race
2855	decrease_ob_nr)],	3107	decrease split destroy)],
2856	["cf::object::player" => qw(player)],	3108	["cf::object::player" => qw(player)],
2857	["cf::player" => qw(peaceful)],	3109	["cf::player" => qw(peaceful)],
2858	["cf::map" => qw(trigger)],	3110	["cf::map" => qw(trigger)],
2859	) {	3111	) {
2860	no strict 'refs';	3112	no strict 'refs';
…		…
2965	{	3217	{
2966	my $faces = $facedata->{faceinfo};	3218	my $faces = $facedata->{faceinfo};
2967		3219
2968	while (my ($face, $info) = each %$faces) {	3220	while (my ($face, $info) = each %$faces) {
2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3221	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3222
2970	cf::face::set_visibility $idx, $info->{visibility};	3223	cf::face::set_visibility $idx, $info->{visibility};
2971	cf::face::set_magicmap $idx, $info->{magicmap};	3224	cf::face::set_magicmap $idx, $info->{magicmap};
2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3225	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3226	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2974		3227
2975	cf::cede_to_tick;	3228	cf::cede_to_tick;
2976	}	3229	}
2977		3230
2978	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
2979	next unless $info->{smooth};	3232	next unless $info->{smooth};
		3233
2980	my $idx = cf::face::find $face	3234	my $idx = cf::face::find $face
2981	or next;	3235	or next;
		3236
2982	if (my $smooth = cf::face::find $info->{smooth}) {	3237	if (my $smooth = cf::face::find $info->{smooth}) {
2983	cf::face::set_smooth $idx, $smooth;	3238	cf::face::set_smooth $idx, $smooth;
2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3239	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2985	} else {	3240	} else {
2986	warn "smooth face '$info->{smooth}' not found for face '$face'";	3241	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3004	{	3259	{
3005	# TODO: for gcfclient pleasure, we should give resources	3260	# TODO: for gcfclient pleasure, we should give resources
3006	# that gcfclient doesn't grok a >10000 face index.	3261	# that gcfclient doesn't grok a >10000 face index.
3007	my $res = $facedata->{resource};	3262	my $res = $facedata->{resource};
3008		3263
3009	my $soundconf = delete $res->{"res/sound.conf"};
3010
3011	while (my ($name, $info) = each %$res) {	3264	while (my ($name, $info) = each %$res) {
		3265	if (defined $info->{type}) {
3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3266	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3013	my $data;	3267	my $data;
3014		3268
3015	if ($info->{type} & 1) {	3269	if ($info->{type} & 1) {
3016	# prepend meta info	3270	# prepend meta info
3017		3271
3018	my $meta = $enc->encode ({	3272	my $meta = $enc->encode ({
3019	name => $name,	3273	name => $name,
3020	%{ $info->{meta} || {} },	3274	%{ $info->{meta} || {} },
3021	});	3275	});
3022		3276
3023	$data = pack "(w/a*)*", $meta, $info->{data};	3277	$data = pack "(w/a*)*", $meta, $info->{data};
		3278	} else {
		3279	$data = $info->{data};
		3280	}
		3281
		3282	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3283	cf::face::set_type $idx, $info->{type};
3024	} else {	3284	} else {
3025	$data = $info->{data};	3285	$RESOURCE{$name} = $info;
3026	}	3286	}
3027		3287
3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3029	cf::face::set_type $idx, $info->{type};
3030
3031	cf::cede_to_tick;	3288	cf::cede_to_tick;
3032	}	3289	}
3033
3034	if ($soundconf) {
3035	$soundconf = $enc->decode (delete $soundconf->{data});
3036
3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3038	my $sound = $soundconf->{compat}[$_]
3039	or next;
3040
3041	my $face = cf::face::find "sound/$sound->[1]";
3042	cf::sound::set $sound->[0] => $face;
3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3044	}
3045
3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
3047	my $face = cf::face::find "sound/$v";
3048	cf::sound::set $k => $face;
3049	}
3050	}
3051	}	3290	}
		3291
		3292	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3052		3293
3053	1	3294	1
3054	}	3295	}
		3296
		3297	cf::global->attach (on_resource_update => sub {
		3298	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3299	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3300
		3301	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3302	my $sound = $soundconf->{compat}[$_]
		3303	or next;
		3304
		3305	my $face = cf::face::find "sound/$sound->[1]";
		3306	cf::sound::set $sound->[0] => $face;
		3307	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3308	}
		3309
		3310	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3311	my $face = cf::face::find "sound/$v";
		3312	cf::sound::set $k => $face;
		3313	}
		3314	}
		3315	});
3055		3316
3056	register_exticmd fx_want => sub {	3317	register_exticmd fx_want => sub {
3057	my ($ns, $want) = @_;	3318	my ($ns, $want) = @_;
3058		3319
3059	while (my ($k, $v) = each %$want) {	3320	while (my ($k, $v) = each %$want) {
3060	$ns->fx_want ($k, $v);	3321	$ns->fx_want ($k, $v);
3061	}	3322	}
3062	};	3323	};
		3324
		3325	sub load_resource_file($) {
		3326	my $guard = lock_acquire "load_resource_file";
		3327
		3328	my $status = load_resource_file_ $_[0];
		3329	get_slot 0.1, 100;
		3330	cf::arch::commit_load;
		3331
		3332	$status
		3333	}
3063		3334
3064	sub reload_regions {	3335	sub reload_regions {
3065	# HACK to clear player env face cache, we need some signal framework	3336	# HACK to clear player env face cache, we need some signal framework
3066	# for this (global event?)	3337	# for this (global event?)
3067	%ext::player_env::MUSIC_FACE_CACHE = ();	3338	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3081	}	3352	}
3082		3353
3083	sub reload_archetypes {	3354	sub reload_archetypes {
3084	load_resource_file "$DATADIR/archetypes"	3355	load_resource_file "$DATADIR/archetypes"
3085	or die "unable to load archetypes\n";	3356	or die "unable to load archetypes\n";
3086	#d# NEED to laod twice to resolve forward references
3087	# this really needs to be done in an extra post-pass
3088	# (which needs to be synchronous, so solve it differently)
3089	load_resource_file "$DATADIR/archetypes"
3090	or die "unable to load archetypes\n";
3091	}	3357	}
3092		3358
3093	sub reload_treasures {	3359	sub reload_treasures {
3094	load_resource_file "$DATADIR/treasures"	3360	load_resource_file "$DATADIR/treasures"
3095	or die "unable to load treasurelists\n";	3361	or die "unable to load treasurelists\n";
3096	}	3362	}
3097		3363
3098	sub reload_resources {	3364	sub reload_resources {
3099	warn "reloading resource files...\n";	3365	warn "reloading resource files...\n";
3100		3366
		3367	reload_facedata;
		3368	reload_archetypes;
3101	reload_regions;	3369	reload_regions;
3102	reload_facedata;
3103	#reload_archetypes;#d#
3104	reload_archetypes;
3105	reload_treasures;	3370	reload_treasures;
3106		3371
3107	warn "finished reloading resource files\n";	3372	warn "finished reloading resource files\n";
3108	}	3373	}
3109		3374
3110	sub init {	3375	sub init {
		3376	my $guard = freeze_mainloop;
		3377
3111	reload_resources;	3378	reload_resources;
3112	}	3379	}
3113		3380
3114	sub reload_config {	3381	sub reload_config {
3115	open my $fh, "<:utf8", "$CONFDIR/config"	3382	open my $fh, "<:utf8", "$CONFDIR/config"
3116	or return;	3383	or return;
3117		3384
3118	local $/;	3385	local $/;
3119	*CFG = YAML::Syck::Load <$fh>;	3386	*CFG = YAML::Load <$fh>;
3120		3387
3121	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3388	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3122		3389
3123	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3390	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3124	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3391	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3135	sub main {	3402	sub main {
3136	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
3137	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
3138	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3139	(async {	3406	(async {
3140	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
3141	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
3142	};	3410	};
3143		3411
		3412	{
		3413	my $guard = freeze_mainloop;
3144	reload_config;	3414	reload_config;
3145	db_init;	3415	db_init;
3146	load_extensions;	3416	load_extensions;
3147		3417
3148	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	evthread_start IO::AIO::poll_fileno;
		3420	}
		3421
3149	Event::loop;	3422	EV::loop;
3150	}	3423	}
3151		3424
3152	#############################################################################	3425	#############################################################################
3153	# initialisation and cleanup	3426	# initialisation and cleanup
3154		3427
3155	# install some emergency cleanup handlers	3428	# install some emergency cleanup handlers
3156	BEGIN {	3429	BEGIN {
		3430	our %SIGWATCHER = ();
3157	for my $signal (qw(INT HUP TERM)) {	3431	for my $signal (qw(INT HUP TERM)) {
3158	Event->signal (	3432	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3159	reentrant => 0,
3160	data => WF_AUTOCANCEL,
3161	signal => $signal,
3162	prio => 0,
3163	cb => sub {
3164	cf::cleanup "SIG$signal";	3433	cf::cleanup "SIG$signal";
3165	},
3166	);	3434	};
3167	}	3435	}
3168	}	3436	}
3169		3437
3170	sub write_runtime {	3438	sub write_runtime_sync {
3171	my $runtime = "$LOCALDIR/runtime";	3439	my $runtime = "$LOCALDIR/runtime";
3172		3440
3173	# first touch the runtime file to show we are still running:	3441	# first touch the runtime file to show we are still running:
3174	# the fsync below can take a very very long time.	3442	# the fsync below can take a very very long time.
3175		3443
…		…
3201	and return;	3469	and return;
3202		3470
3203	warn "runtime file written.\n";	3471	warn "runtime file written.\n";
3204		3472
3205	1	3473	1
		3474	}
		3475
		3476	our $uuid_lock;
		3477	our $uuid_skip;
		3478
		3479	sub write_uuid_sync($) {
		3480	$uuid_skip ||= $_[0];
		3481
		3482	return if $uuid_lock;
		3483	local $uuid_lock = 1;
		3484
		3485	my $uuid = "$LOCALDIR/uuid";
		3486
		3487	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3488	or return;
		3489
		3490	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3491	$uuid_skip = 0;
		3492
		3493	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3494	and return;
		3495
		3496	# always fsync - this file is important
		3497	aio_fsync $fh
		3498	and return;
		3499
		3500	close $fh
		3501	or return;
		3502
		3503	aio_rename "$uuid~", $uuid
		3504	and return;
		3505
		3506	warn "uuid file written ($value).\n";
		3507
		3508	1
		3509
		3510	}
		3511
		3512	sub write_uuid($$) {
		3513	my ($skip, $sync) = @_;
		3514
		3515	$sync ? write_uuid_sync $skip
		3516	: async { write_uuid_sync $skip };
3206	}	3517	}
3207		3518
3208	sub emergency_save() {	3519	sub emergency_save() {
3209	my $freeze_guard = cf::freeze_mainloop;	3520	my $freeze_guard = cf::freeze_mainloop;
3210		3521
…		…
3216	# and maps saved/destroyed asynchronously.	3527	# and maps saved/destroyed asynchronously.
3217	warn "begin emergency player save\n";	3528	warn "begin emergency player save\n";
3218	for my $login (keys %cf::PLAYER) {	3529	for my $login (keys %cf::PLAYER) {
3219	my $pl = $cf::PLAYER{$login} or next;	3530	my $pl = $cf::PLAYER{$login} or next;
3220	$pl->valid or next;	3531	$pl->valid or next;
		3532	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3221	$pl->save;	3533	$pl->save;
3222	}	3534	}
3223	warn "end emergency player save\n";	3535	warn "end emergency player save\n";
3224		3536
3225	warn "begin emergency map save\n";	3537	warn "begin emergency map save\n";
…		…
3231	warn "end emergency map save\n";	3543	warn "end emergency map save\n";
3232		3544
3233	warn "begin emergency database checkpoint\n";	3545	warn "begin emergency database checkpoint\n";
3234	BDB::db_env_txn_checkpoint $DB_ENV;	3546	BDB::db_env_txn_checkpoint $DB_ENV;
3235	warn "end emergency database checkpoint\n";	3547	warn "end emergency database checkpoint\n";
		3548
		3549	warn "begin write uuid\n";
		3550	write_uuid_sync 1;
		3551	warn "end write uuid\n";
3236	};	3552	};
3237		3553
3238	warn "leave emergency perl save\n";	3554	warn "leave emergency perl save\n";
3239	}	3555	}
3240		3556
…		…
3255	warn "reloading...";	3571	warn "reloading...";
3256		3572
3257	warn "entering sync_job";	3573	warn "entering sync_job";
3258		3574
3259	cf::sync_job {	3575	cf::sync_job {
3260	cf::write_runtime; # external watchdog should not bark	3576	cf::write_runtime_sync; # external watchdog should not bark
3261	cf::emergency_save;	3577	cf::emergency_save;
3262	cf::write_runtime; # external watchdog should not bark	3578	cf::write_runtime_sync; # external watchdog should not bark
3263		3579
3264	warn "syncing database to disk";	3580	warn "syncing database to disk";
3265	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
3266		3582
3267	# if anything goes wrong in here, we should simply crash as we already saved	3583	# if anything goes wrong in here, we should simply crash as we already saved
3268
3269	warn "cancelling all WF_AUTOCANCEL watchers";
3270	for (Event::all_watchers) {
3271	$_->cancel if $_->data & WF_AUTOCANCEL;
3272	}
3273		3584
3274	warn "flushing outstanding aio requests";	3585	warn "flushing outstanding aio requests";
3275	for (;;) {	3586	for (;;) {
3276	BDB::flush;	3587	BDB::flush;
3277	IO::AIO::flush;	3588	IO::AIO::flush;
3278	Coro::cede;	3589	Coro::cede_notself;
3279	last unless IO::AIO::nreqs || BDB::nreqs;	3590	last unless IO::AIO::nreqs || BDB::nreqs;
3280	warn "iterate...";	3591	warn "iterate...";
3281	}	3592	}
3282		3593
3283	++$RELOAD;	3594	++$RELOAD;
…		…
3359	warn "leaving sync_job";	3670	warn "leaving sync_job";
3360		3671
3361	1	3672	1
3362	} or do {	3673	} or do {
3363	warn $@;	3674	warn $@;
3364	warn "error while reloading, exiting.";	3675	cf::cleanup "error while reloading, exiting.";
3365	exit 1;
3366	};	3676	};
3367		3677
3368	warn "reloaded";	3678	warn "reloaded";
3369	};	3679	};
3370		3680
…		…
3372		3682
3373	sub reload_perl() {	3683	sub reload_perl() {
3374	# doing reload synchronously and two reloads happen back-to-back,	3684	# doing reload synchronously and two reloads happen back-to-back,
3375	# coro crashes during coro_state_free->destroy here.	3685	# coro crashes during coro_state_free->destroy here.
3376		3686
3377	$RELOAD_WATCHER ||= Event->timer (	3687	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3378	reentrant => 0,
3379	after => 0,
3380	data => WF_AUTOCANCEL,
3381	cb => sub {
3382	do_reload_perl;	3688	do_reload_perl;
3383	undef $RELOAD_WATCHER;	3689	undef $RELOAD_WATCHER;
3384	},
3385	);	3690	};
3386	}	3691	}
3387		3692
3388	register_command "reload" => sub {	3693	register_command "reload" => sub {
3389	my ($who, $arg) = @_;	3694	my ($who, $arg) = @_;
3390		3695
3391	if ($who->flag (FLAG_WIZ)) {	3696	if ($who->flag (FLAG_WIZ)) {
3392	$who->message ("reloading server.");	3697	$who->message ("reloading server.");
		3698	async {
		3699	$Coro::current->{desc} = "perl_reload";
3393	async { reload_perl };	3700	reload_perl;
		3701	};
3394	}	3702	}
3395	};	3703	};
3396		3704
3397	unshift @INC, $LIBDIR;	3705	unshift @INC, $LIBDIR;
3398		3706
…		…
3400		3708
3401	our @WAIT_FOR_TICK;	3709	our @WAIT_FOR_TICK;
3402	our @WAIT_FOR_TICK_BEGIN;	3710	our @WAIT_FOR_TICK_BEGIN;
3403		3711
3404	sub wait_for_tick {	3712	sub wait_for_tick {
3405	return unless $TICK_WATCHER->is_active;
3406	return if $Coro::current == $Coro::main;	3713	return if tick_inhibit || $Coro::current == $Coro::main;
3407		3714
3408	my $signal = new Coro::Signal;	3715	my $signal = new Coro::Signal;
3409	push @WAIT_FOR_TICK, $signal;	3716	push @WAIT_FOR_TICK, $signal;
3410	$signal->wait;	3717	$signal->wait;
3411	}	3718	}
3412		3719
3413	sub wait_for_tick_begin {	3720	sub wait_for_tick_begin {
3414	return unless $TICK_WATCHER->is_active;
3415	return if $Coro::current == $Coro::main;	3721	return if tick_inhibit || $Coro::current == $Coro::main;
3416		3722
3417	my $signal = new Coro::Signal;	3723	my $signal = new Coro::Signal;
3418	push @WAIT_FOR_TICK_BEGIN, $signal;	3724	push @WAIT_FOR_TICK_BEGIN, $signal;
3419	$signal->wait;	3725	$signal->wait;
3420	}	3726	}
3421		3727
3422	my $min = 1e6;#d#	3728	sub tick {
3423	my $avg = 10;
3424	$TICK_WATCHER = Event->timer (
3425	reentrant => 0,
3426	parked => 1,
3427	prio => 0,
3428	at => $NEXT_TICK || $TICK,
3429	data => WF_AUTOCANCEL,
3430	cb => sub {
3431	if ($Coro::current != $Coro::main) {	3729	if ($Coro::current != $Coro::main) {
3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3730	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3433	unless ++$bug_warning > 10;	3731	unless ++$bug_warning > 10;
3434	return;	3732	return;
3435	}	3733	}
3436		3734
3437	$NOW = $tick_start = Event::time;
3438
3439	cf::server_tick; # one server iteration	3735	cf::server_tick; # one server iteration
3440		3736
3441	0 && sync_job {#d#	3737	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3442	for(1..10) {	3738	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3443	my $t = Event::time;	3739	Coro::async_pool {
3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3740	$Coro::current->{desc} = "runtime saver";
3445	or die;	3741	write_runtime_sync
3446		3742	or warn "ERROR: unable to write runtime file: $!";
3447	$map->width (50);
3448	$map->height (50);
3449	$map->alloc;
3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3451	my $t = Event::time - $t;
3452
3453	#next unless $t < 0.0013;#d#
3454	if ($t < $min) {
3455	$min = $t;
3456	}
3457	$avg = $avg * 0.99 + $t * 0.01;
3458	}
3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3460	exit 0;
3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3462	};	3743	};
		3744	}
3463		3745
3464	$RUNTIME += $TICK;
3465	$NEXT_TICK += $TICK;
3466
3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3468	$NEXT_RUNTIME_WRITE = $NOW + 10;
3469	Coro::async_pool {
3470	write_runtime
3471	or warn "ERROR: unable to write runtime file: $!";
3472	};
3473	}
3474
3475	# my $AFTER = Event::time;
3476	# warn $AFTER - $NOW;#d#
3477
3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3746	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3479	$sig->send;	3747	$sig->send;
3480	}	3748	}
3481	while (my $sig = shift @WAIT_FOR_TICK) {	3749	while (my $sig = shift @WAIT_FOR_TICK) {
3482	$sig->send;	3750	$sig->send;
3483	}	3751	}
3484		3752
3485	$NOW = Event::time;	3753	$LOAD = ($NOW - $TICK_START) / $TICK;
3486
3487	# if we are delayed by four ticks or more, skip them all
3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3489
3490	$TICK_WATCHER->at ($NEXT_TICK);
3491	$TICK_WATCHER->start;
3492
3493	$LOAD = ($NOW - $tick_start) / $TICK;
3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3754	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3495		3755
3496	_post_tick;	3756	if (0) {
3497		3757	if ($NEXT_TICK) {
3498		3758	my $jitter = $TICK_START - $NEXT_TICK;
		3759	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3760	warn "jitter $JITTER\n";#d#
		3761	}
3499	},	3762	}
3500	);	3763	}
3501		3764
3502	{	3765	{
3503	BDB::max_poll_time $TICK * 0.1;	3766	# configure BDB
3504	$BDB_POLL_WATCHER = Event->io (	3767
3505	reentrant => 0,
3506	fd => BDB::poll_fileno,
3507	poll => 'r',
3508	prio => 0,
3509	data => WF_AUTOCANCEL,
3510	cb => \&BDB::poll_cb,
3511	);
3512	BDB::min_parallel 8;	3768	BDB::min_parallel 8;
3513		3769	BDB::max_poll_reqs $TICK * 0.1;
3514	BDB::set_sync_prepare {	3770	$Coro::BDB::WATCHER->priority (1);
3515	my $status;
3516	my $current = $Coro::current;
3517	(
3518	sub {
3519	$status = $!;
3520	$current->ready; undef $current;
3521	},
3522	sub {
3523	Coro::schedule while defined $current;
3524	$! = $status;
3525	},
3526	)
3527	};
3528		3771
3529	unless ($DB_ENV) {	3772	unless ($DB_ENV) {
3530	$DB_ENV = BDB::db_env_create;	3773	$DB_ENV = BDB::db_env_create;
		3774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3775	| BDB::LOG_AUTOREMOVE, 1);
		3776	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3777	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3531		3778
3532	cf::sync_job {	3779	cf::sync_job {
3533	eval {	3780	eval {
3534	BDB::db_env_open	3781	BDB::db_env_open
3535	$DB_ENV,	3782	$DB_ENV,
…		…
3537	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3784	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3538	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3785	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3539	0666;	3786	0666;
3540		3787
3541	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3788	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3542
3543	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3544	$DB_ENV->set_lk_detect;
3545	};	3789	};
3546		3790
3547	cf::cleanup "db_env_open(db): $@" if $@;	3791	cf::cleanup "db_env_open(db): $@" if $@;
3548	};	3792	};
3549	}	3793	}
		3794
		3795	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3796	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3797	};
		3798	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3799	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3800	};
		3801	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3802	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3803	};
3550	}	3804	}
3551		3805
3552	{	3806	{
		3807	# configure IO::AIO
		3808
3553	IO::AIO::min_parallel 8;	3809	IO::AIO::min_parallel 8;
3554
3555	undef $Coro::AIO::WATCHER;
3556	IO::AIO::max_poll_time $TICK * 0.1;	3810	IO::AIO::max_poll_time $TICK * 0.1;
3557	$AIO_POLL_WATCHER = Event->io (	3811	$Coro::AIO::WATCHER->priority (1);
3558	reentrant => 0,
3559	data => WF_AUTOCANCEL,
3560	fd => IO::AIO::poll_fileno,
3561	poll => 'r',
3562	prio => 6,
3563	cb => \&IO::AIO::poll_cb,
3564	);
3565	}	3812	}
3566		3813
3567	my $_log_backtrace;	3814	my $_log_backtrace;
3568		3815
3569	sub _log_backtrace {	3816	sub _log_backtrace {
…		…
3573		3820
3574	# limit the # of concurrent backtraces	3821	# limit the # of concurrent backtraces
3575	if ($_log_backtrace < 2) {	3822	if ($_log_backtrace < 2) {
3576	++$_log_backtrace;	3823	++$_log_backtrace;
3577	async {	3824	async {
		3825	$Coro::current->{desc} = "abt $msg";
		3826
3578	my @bt = fork_call {	3827	my @bt = fork_call {
3579	@addr = map { sprintf "%x", $_ } @addr;	3828	@addr = map { sprintf "%x", $_ } @addr;
3580	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3829	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3581	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3830	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3582	or die "addr2line: $!";	3831	or die "addr2line: $!";

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