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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.354 by root, Sun Sep 2 12:26:54 2007 UTC vs.
Revision 1.422 by root, Tue Apr 15 20:46:55 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; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # 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 $string
267		302
268	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
269		304
…		…
285	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
286		321
287	=cut	322	=cut
288		323
289	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
290		326
291	sub lock_wait($) {	327	sub lock_wait($) {
292	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
293		334
294	# wait for lock, if any	335	# wait for lock, if any
295	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;	338	Coro::schedule;
…		…
303		344
304	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
305	lock_wait $key;	346	lock_wait $key;
306		347
307	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
308		350
309	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
310	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
312	}	355	}
313	}	356	}
314		357
…		…
317		360
318	! ! $LOCK{$key}	361	! ! $LOCK{$key}
319	}	362	}
320		363
321	sub freeze_mainloop {	364	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
323		366
324	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
325	$TICK_WATCHER->start;	368	}
326	};	369
327	$TICK_WATCHER->stop;	370	=item cf::periodic $interval, $cb
328	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
329	}	383	}
330		384
331	=item cf::get_slot $time[, $priority[, $name]]	385	=item cf::get_slot $time[, $priority[, $name]]
332		386
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	398	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	399	our $SLOT_QUEUE;
346		400
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
349	my $signal = new Coro::Signal;	405	my $signal = new Coro::Signal;
350		406
351	while () {	407	while () {
352	next_job:	408	next_job:
353	my $avail = cf::till_tick;	409	my $avail = cf::till_tick;
…		…
361	}	417	}
362	}	418	}
363	}	419	}
364		420
365	if (@SLOT_QUEUE) {	421	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	423	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	424	$signal->wait;
369	} else {	425	} else {
370	Coro::schedule;	426	Coro::schedule;
371	}	427	}
372	}	428	}
373	};	429	};
374		430
375	sub get_slot($;$$) {	431	sub get_slot($;$$) {
		432	return if tick_inhibit;
		433
376	my ($time, $pri, $name) = @_;	434	my ($time, $pri, $name) = @_;
377		435
378	$time = $TICK * .6 if $time > $TICK * .6;	436	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	437	my $sig = new Coro::Signal;
380		438
…		…
394		452
395	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
396		454
397	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
398		456
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	457	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	458	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	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	460	acceptable.
403		461
404	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
405	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
…		…
410		468
411	sub sync_job(&) {	469	sub sync_job(&) {
412	my ($job) = @_;	470	my ($job) = @_;
413		471
414	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	473	my $time = EV::time;
416		474
417	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
419		477
420	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	479
422	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
423		481
424	my $busy = 1;	482	my $busy = 1;
425	my @res;	483	my @res;
426		484
427	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	487	@res = eval { $job->() };
429	warn $@ if $@;	488	warn $@ if $@;
430	undef $busy;	489	undef $busy;
431	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
432		491
433	while ($busy) {	492	while ($busy) {
434	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
435	}	497	}
		498	}
436		499
437	$time = Event::time - $time;	500	my $time = EV::time - $time;
438		501
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	502	$TICK_START += $time; # do not account sync jobs to server load
443		503
444	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
445	} else {	505	} else {
446	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
447		507
…		…
472	=item fork_call { }, $args	532	=item fork_call { }, $args
473		533
474	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
475	process, returning the results. Everything must be serialisable with	535	process, returning the results. Everything must be serialisable with
476	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
477	never block itself or use any form of Event handling.	537	never block itself or use any form of event handling.
478		538
479	=cut	539	=cut
480		540
481	sub fork_call(&@) {	541	sub fork_call(&@) {
482	my ($cb, @args) = @_;	542	my ($cb, @args) = @_;
483		543
484	# we seemingly have to make a local copy of the whole thing,	544	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	545	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	546	# TODO: investigate and fix (likely this will be rather laborious)
487		547
488	my @res = Coro::Util::fork_eval {	548	my @res = Coro::Util::fork_eval {
489	reset_signals;	549	reset_signals;
490	&$cb	550	&$cb
491	}, @args;	551	}, @args;
492		552
493	wantarray ? @res : $res[-1]	553	wantarray ? @res : $res[-1]
494	}	554	}
495		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
496	=item $value = cf::db_get $family => $key	583	=item $value = cf::db_get $family => $key
497		584
498	Returns a single value from the environment database.	585	Returns a single value from the environment database.
499		586
500	=item cf::db_put $family => $key => $value	587	=item cf::db_put $family => $key => $value
501		588
502	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
503	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).
504		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
505	=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	}
506		615
507	our $DB;	616	our $DB;
508		617
509	sub db_init {	618	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	619	cf::sync_job {
514	eval {	620	$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	}	621	};
524	}	622	}
525		623
526	sub db_get($$) {	624	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	625	my $key = "$_[0]/$_[1]";
528		626
…		…
632	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
634		732
635	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	735	Deliantra).
638		736
639	=over 4	737	=over 4
640		738
641	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
642		740
…		…
924	}	1022	}
925		1023
926	0	1024	0
927	}	1025	}
928		1026
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1028
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1030
933	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
934		1032
…		…
940		1038
941	=cut	1039	=cut
942		1040
943	#############################################################################	1041	#############################################################################
944	# object support	1042	# object support
945	#
946		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
947	sub _can_merge {	1077	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1078	my ($ob1, $ob2) = @_;
949		1079
950	local $Storable::canonical = 1;	1080	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1081
954	$fob1 eq $fob2	1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
955	}	1084	}
956		1085
957	sub reattach {	1086	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1088	my ($obj) = @_;
…		…
981	cf::attachable->attach (	1110	cf::attachable->attach (
982	prio => -1000000,	1111	prio => -1000000,
983	on_instantiate => sub {	1112	on_instantiate => sub {
984	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
985		1114
986	$data = from_json $data;	1115	$data = decode_json $data;
987		1116
988	for (@$data) {	1117	for (@$data) {
989	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
990		1119
991	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1136	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
1009		1138
1010	sync_job {	1139	sync_job {
1011	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
1014		1144
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
1019	close $fh;	1149	close $fh;
1020		1150
1021	if (@$objs) {	1151	if (@$objs) {
1022	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) {
1023	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1027	close $fh;	1157	close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1159	}
…		…
1037	}	1167	}
1038	} else {	1168	} else {
1039	aio_unlink $filename;	1169	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
1041	}	1171	}
1042	}	1172	};
1043	}	1173	}
1044		1174
1045	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
1047		1177
…		…
1059	or return;	1189	or return;
1060		1190
1061	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1193	or return;
		1194
1064	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
1065	}	1197	}
1066		1198
		1199	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
		1202
1069	return ($data, $av);	1203	($data, $av)
1070	}	1204	}
1071		1205
1072	=head2 COMMAND CALLBACKS	1206	=head2 COMMAND CALLBACKS
1073		1207
1074	=over 4	1208	=over 4
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1357	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1358	: "$v->{base}: extension inactive.\n";
1225		1359
1226	if (exists $v->{meta}{mandatory}) {	1360	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1361	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1362	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1363	}
1231		1364
1232	warn $msg;	1365	warn $msg;
1233	}	1366	}
1234		1367
…		…
1259	use Coro::AIO;	1392	use Coro::AIO;
1260		1393
1261	=head3 cf::player	1394	=head3 cf::player
1262		1395
1263	=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	}
1264		1411
1265	=item cf::player::find $login	1412	=item cf::player::find $login
1266		1413
1267	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1268		1415
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1455
1309	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1312	}	1464	}
1313	}	1465	}
1314	}	1466	}
1315		1467
…		…
1323		1475
1324	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1325		1477
1326	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
		1480
		1481	cf::get_slot 0.01;
1328		1482
1329	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1484	cf::cede_to_tick;
1331	}	1485	}
1332		1486
…		…
1463		1617
1464	Expand crossfire pod fragments into protocol xml.	1618	Expand crossfire pod fragments into protocol xml.
1465		1619
1466	=cut	1620	=cut
1467		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
1468	sub expand_cfpod {	1633	sub expand_cfpod {
1469	((my $self), (local $_)) = @_;	1634	my ($self, $pod) = @_;
1470		1635
1471	# escape & and <	1636	my $xml;
1472	s/&/&amp;/g;
1473	s/(?<![BIUGHT])</&lt;/g;
1474		1637
1475	# this is buggy, it needs to properly take care of nested <'s	1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
1476		1641
1477	1 while	1642	$group =~ s/&/&amp;/g;
1478	# replace B<>, I<>, U<> etc.	1643	$group =~ s/</&lt;/g;
1479	s/B<([^\>]*)>/<b>$1<\/b>/	1644
1480	|| s/I<([^\>]*)>/<i>$1<\/i>/	1645	$xml .= $group;
1481	|| s/U<([^\>]*)>/<u>$1<\/u>/	1646	} elsif ($pod =~ m%\G
1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/	1647	([BCGHITU])
1483	# replace G<male|female> tags	1648	<
1484	|| s{G<([^>|]*)\|([^>]*)>}{	1649	(?:
1485	$self->gender ? $2 : $1	1650	([^<>]*) (?{ $group = $^N })
1486	}ge	1651	| < $interior >
1487	# replace H<hint text>	1652	)
1488	|| s{H<([^\>]*)>}	1653	>
		1654	%gcsx
1489	{	1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1492	"")	1675	"")
1493	[$self->{hintmode}]	1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
1494	}ge;	1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
1495		1687
		1688	for ($xml) {
1496	# create single paragraphs (very hackish)	1689	# create single paragraphs (very hackish)
1497	s/(?<=\S)\n(?=\w)/ /g;	1690	s/(?<=\S)\n(?=\w)/ /g;
1498		1691
1499	# compress some whitespace	1692	# compress some whitespace
1500	s/\s+\n/\n/g; # ws line-ends	1693	s/\s+\n/\n/g; # ws line-ends
1501	s/\n\n+/\n/g; # double lines	1694	s/\n\n+/\n/g; # double lines
1502	s/^\n+//; # beginning lines	1695	s/^\n+//; # beginning lines
1503	s/\n+$//; # ending lines	1696	s/\n+$//; # ending lines
		1697	}
1504		1698
1505	$_	1699	$xml
1506	}	1700	}
		1701
		1702	no re 'eval';
1507		1703
1508	sub hintmode {	1704	sub hintmode {
1509	$_[0]{hintmode} = $_[1] if @_ > 1;	1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1510	$_[0]{hintmode}	1706	$_[0]{hintmode}
1511	}	1707	}
…		…
1583	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1584	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1585		1781
1586	sub generate_random_map {	1782	sub generate_random_map {
1587	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1588	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1589	$self->_create_random_map (	1788	$self->_create_random_map (
1590	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1591	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1592	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1714		1913
1715	# the temporary/swap location	1914	# the temporary/swap location
1716	sub save_path {	1915	sub save_path {
1717	my ($self) = @_;	1916	my ($self) = @_;
1718		1917
1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1720	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1721	}	1920	}
1722		1921
1723	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1724	sub uniq_path {	1923	sub uniq_path {
1725	my ($self) = @_;	1924	my ($self) = @_;
1726		1925
1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1728	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1729	}	1928	}
1730		1929
1731	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1732	# all maps in C++...	1931	# all maps in C++...
…		…
1755		1954
1756	sub load_header_from($) {	1955	sub load_header_from($) {
1757	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1758		1957
1759	utf8::encode $path;	1958	utf8::encode $path;
1760	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1761	# or return;
1762
1763	$self->_load_header ($path)
1764	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1765		1967
1766	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1767		1969
1768	1	1970	1
1769	}	1971	}
…		…
1823	sub find {	2025	sub find {
1824	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1825		2027
1826	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1827		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1828	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1829		2032
1830	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1831	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1832	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1833	or return;	2038	or return;
1834		2039
1835	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1836		2041
…		…
1838	or return;	2043	or return;
1839		2044
1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1841	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1842	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1843	$map->reset;	2050	$map->reset;
1844	undef $guard;
1845	return find $path;	2051	return find $path;
1846	}	2052	}
1847		2053
1848	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1849	}	2055	}
…		…
1858	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1859		2065
1860	my $path = $self->{path};	2066	my $path = $self->{path};
1861		2067
1862	{	2068	{
1863	my $guard1 = cf::lock_acquire "map_data:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1864	my $guard2 = cf::lock_acquire "map_load:$path";
1865		2070
		2071	return unless $self->valid;
1866	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1867		2073
1868	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1869		2075
1870	$self->alloc;	2076	$self->alloc;
1871		2077
1872	$self->pre_load;	2078	$self->pre_load;
1873	cf::cede_to_tick;	2079	cf::cede_to_tick;
1874		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1875	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1876	or return;	2084	or return;
1877		2085
1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1879	if delete $self->{load_original};	2087	if delete $self->{load_original};
1880		2088
1881	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1882	utf8::encode $uniq;	2090	utf8::encode $uniq;
1883	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1884	$self->clear_unique_items;	2093	$self->clear_unique_items;
1885	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1886	}	2097	}
1887	}	2098	}
		2099
		2100	$f->resolve_delayed_derefs;
1888		2101
1889	cf::cede_to_tick;	2102	cf::cede_to_tick;
1890	# now do the right thing for maps	2103	# now do the right thing for maps
1891	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1892	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
…		…
1904	}	2117	}
1905		2118
1906	$self->{last_save} = $cf::RUNTIME;	2119	$self->{last_save} = $cf::RUNTIME;
1907	$self->last_access ($cf::RUNTIME);	2120	$self->last_access ($cf::RUNTIME);
1908		2121
1909	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1910	}	2123	}
1911		2124
1912	$self->post_load;	2125	$self->post_load;
1913	}	2126	}
1914		2127
…		…
1972	my ($path, $origin, $load) = @_;	2185	my ($path, $origin, $load) = @_;
1973		2186
1974	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1975		2188
1976	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1978	}	2191	}
1979		2192
1980	$MAP_PREFETCH{$path} |= $load;	2193	$MAP_PREFETCH{$path} |= $load;
1981		2194
1982	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1983	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1984	while (my ($k, $v) = each %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $k) {	2200	if (my $map = find $k) {
1986	$map->load if $v;	2201	$map->load if $v;
1987	}	2202	}
…		…
2013	return if $self->{deny_save};	2228	return if $self->{deny_save};
2014		2229
2015	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
2016		2231
2017	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
2019	};	2235	};
		2236
		2237	cf::get_slot 0.02;
2020		2238
2021	if ($uniq) {	2239	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2242	} else {
…		…
2033	$self->save;	2251	$self->save;
2034		2252
2035	my $lock = cf::lock_acquire "map_data:$self->{path}";	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2254
2037	return if $self->players;	2255	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
2039	return if $self->{deny_save};	2257	return if $self->{deny_save};
2040		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
2041	$self->clear;	2263	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2264	}
2044		2265
2045	sub reset_at {	2266	sub reset_at {
2046	my ($self) = @_;	2267	my ($self) = @_;
2047		2268
…		…
2079	if $uniq;	2300	if $uniq;
2080	}	2301	}
2081		2302
2082	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
2083		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2307	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2308
2088	$self->unlink_save;	2309	$self->unlink_save;
2089	$self->destroy;	2310	$self->destroy;
2090	}	2311	}
2091		2312
…		…
2158		2379
2159	sub unique_maps() {	2380	sub unique_maps() {
2160	[	2381	[
2161	map {	2382	map {
2162	utf8::decode $_;	2383	utf8::decode $_;
2163	/\.map$/	2384	s/\.map$//; # TODO future compatibility hack
		2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2386	? ()
2164	? normalise $_	2387	: normalise $_
2165	: ()
2166	} @{ aio_readdir $UNIQUEDIR or [] }	2388	} @{ aio_readdir $UNIQUEDIR or [] }
2167	]	2389	]
2168	}	2390	}
2169		2391
2170	package cf;
2171
2172	=back	2392	=back
2173		2393
2174	=head3 cf::object	2394	=head3 cf::object
2175		2395
2176	=cut	2396	=cut
…		…
2179		2399
2180	=over 4	2400	=over 4
2181		2401
2182	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
2183		2403
2184	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
2185		2406
2186	=cut	2407	=cut
2187		2408
2188	sub inv_recursive_;	2409	sub inv_recursive_;
2189	sub inv_recursive_ {	2410	sub inv_recursive_ {
2190	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
2191	}	2412	}
2192		2413
2193	sub inv_recursive {	2414	sub inv_recursive {
2194	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
2195	}	2444	}
2196		2445
2197	package cf;	2446	package cf;
2198		2447
2199	=back	2448	=back
…		…
2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360		2609
2361	$self->enter_link;	2610	$self->enter_link;
2362		2611
2363	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
2364	my $map = eval {	2634	my $map = eval {
2365	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
2366		2636
2367	if ($map) {	2637	if ($map) {
2368	$map = $map->customise_for ($self);	2638	$map = $map->customise_for ($self);
2369	$map = $check->($map) if $check && $map;	2639	$map = $check->($map) if $check && $map;
2370	} else {	2640	} else {
2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372	}	2642	}
2373		2643
2374	$map	2644	$map
2375	};	2645	};
2376		2646
…		…
2429	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2430	}	2700	}
2431		2701
2432	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2433		2703
2434	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2436	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2437		2707
2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2466	# if exit is damned, update players death & WoR home-position	2736	# if exit is damned, update players death & WoR home-position
2467	$self->contr->savebed ($slaying, $hp, $sp)	2737	$self->contr->savebed ($slaying, $hp, $sp)
2468	if $exit->flag (FLAG_DAMNED);	2738	if $exit->flag (FLAG_DAMNED);
2469		2739
2470	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2471	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2472	unless (eval {	2744	unless (eval {
2473	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2474		2746
2475	1;	2747	1;
…		…
2510	the message, with C<log> being the default. If C<$color> is negative, suppress	2782	the message, with C<log> being the default. If C<$color> is negative, suppress
2511	the message unless the client supports the msg packet.	2783	the message unless the client supports the msg packet.
2512		2784
2513	=cut	2785	=cut
2514		2786
		2787	# non-persistent channels (usually the info channel)
2515	our %CHANNEL = (	2788	our %CHANNEL = (
2516	"c/identify" => {	2789	"c/identify" => {
2517	id => "identify",	2790	id => "infobox",
2518	title => "Identify",	2791	title => "Identify",
2519	reply => undef,	2792	reply => undef,
2520	tooltip => "Items recently identified",	2793	tooltip => "Items recently identified",
2521	},	2794	},
2522	"c/examine" => {	2795	"c/examine" => {
2523	id => "examine",	2796	id => "infobox",
2524	title => "Examine",	2797	title => "Examine",
2525	reply => undef,	2798	reply => undef,
2526	tooltip => "Signs and other items you examined",	2799	tooltip => "Signs and other items you examined",
2527	},	2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
2528	);	2837	);
2529		2838
2530	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2531	my ($self, $channel, $msg, $color, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2532		2841
2533	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg);
2534		2843
2535	$color &= cf::NDI_CLIENT_MASK; # just in case...	2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
2536		2845
2537	# check predefined channels, for the benefit of C	2846	# check predefined channels, for the benefit of C
2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
2539		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
2540	if (ref $channel) {	2855	} elsif (ref $channel) {
2541	# send meta info to client, if not yet sent	2856	# send meta info to client, if not yet sent
2542	unless (exists $self->{channel}{$channel->{id}}) {	2857	unless (exists $self->{channel}{$channel->{id}}) {
2543	$self->{channel}{$channel->{id}} = $channel;	2858	$self->{channel}{$channel->{id}} = $channel;
2544	$self->ext_msg (channel_info => $channel)	2859	$self->ext_msg (channel_info => $channel)
2545	if $self->can_msg;	2860	if $self->can_msg;
…		…
2762	=pod	3077	=pod
2763		3078
2764	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2765		3080
2766	cf::object	3081	cf::object
2767	contr pay_amount pay_player map x y force_find force_add	3082	contr pay_amount pay_player map x y force_find force_add destroy
2768	insert remove name archname title slaying race decrease_ob_nr	3083	insert remove name archname title slaying race decrease_ob_nr
2769		3084
2770	cf::object::player	3085	cf::object::player
2771	player	3086	player
2772		3087
…		…
2779	=cut	3094	=cut
2780		3095
2781	for (	3096	for (
2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2783	insert remove inv name archname title slaying race	3098	insert remove inv name archname title slaying race
2784	decrease_ob_nr)],	3099	decrease_ob_nr destroy)],
2785	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2786	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2787	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2788	) {	3103	) {
2789	no strict 'refs';	3104	no strict 'refs';
…		…
2894	{	3209	{
2895	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2896		3211
2897	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2899	cf::face::set_visibility $idx, $info->{visibility};	3215	cf::face::set_visibility $idx, $info->{visibility};
2900	cf::face::set_magicmap $idx, $info->{magicmap};	3216	cf::face::set_magicmap $idx, $info->{magicmap};
2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2903		3219
2904	cf::cede_to_tick;	3220	cf::cede_to_tick;
2905	}	3221	}
2906		3222
2907	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2908	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2909	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2910	or next;	3227	or next;
		3228
2911	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
2912	cf::face::set_smooth $idx, $smooth;	3230	cf::face::set_smooth $idx, $smooth;
2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2914	} else {	3232	} else {
2915	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2933	{	3251	{
2934	# TODO: for gcfclient pleasure, we should give resources	3252	# TODO: for gcfclient pleasure, we should give resources
2935	# that gcfclient doesn't grok a >10000 face index.	3253	# that gcfclient doesn't grok a >10000 face index.
2936	my $res = $facedata->{resource};	3254	my $res = $facedata->{resource};
2937		3255
2938	my $soundconf = delete $res->{"res/sound.conf"};
2939
2940	while (my ($name, $info) = each %$res) {	3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2942	my $data;	3259	my $data;
2943		3260
2944	if ($info->{type} & 1) {	3261	if ($info->{type} & 1) {
2945	# prepend meta info	3262	# prepend meta info
2946		3263
2947	my $meta = $enc->encode ({	3264	my $meta = $enc->encode ({
2948	name => $name,	3265	name => $name,
2949	%{ $info->{meta} || {} },	3266	%{ $info->{meta} || {} },
2950	});	3267	});
2951		3268
2952	$data = pack "(w/a*)*", $meta, $info->{data};	3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
2953	} else {	3276	} else {
2954	$data = $info->{data};	3277	$RESOURCE{$name} = $info;
2955	}	3278	}
2956		3279
2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2958	cf::face::set_type $idx, $info->{type};
2959
2960	cf::cede_to_tick;	3280	cf::cede_to_tick;
2961	}	3281	}
2962
2963	if ($soundconf) {
2964	$soundconf = $enc->decode (delete $soundconf->{data});
2965
2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2967	my $sound = $soundconf->{compat}[$_]
2968	or next;
2969
2970	my $face = cf::face::find "sound/$sound->[1]";
2971	cf::sound::set $sound->[0] => $face;
2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2973	}
2974
2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
2976	my $face = cf::face::find "sound/$v";
2977	cf::sound::set $k => $face;
2978	}
2979	}
2980	}	3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2981		3285
2982	1	3286	1
2983	}	3287	}
		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
2984		3308
2985	register_exticmd fx_want => sub {	3309	register_exticmd fx_want => sub {
2986	my ($ns, $want) = @_;	3310	my ($ns, $want) = @_;
2987		3311
2988	while (my ($k, $v) = each %$want) {	3312	while (my ($k, $v) = each %$want) {
…		…
3043	sub reload_config {	3367	sub reload_config {
3044	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
3045	or return;	3369	or return;
3046		3370
3047	local $/;	3371	local $/;
3048	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
3049		3373
3050	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3051		3375
3052	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3053	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3064	sub main {	3388	sub main {
3065	# we must not ever block the main coroutine	3389	# we must not ever block the main coroutine
3066	local $Coro::idle = sub {	3390	local $Coro::idle = sub {
3067	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3391	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3068	(async {	3392	(async {
3069	Event::one_event;	3393	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3394	EV::loop EV::LOOP_ONESHOT;
3070	})->prio (Coro::PRIO_MAX);	3395	})->prio (Coro::PRIO_MAX);
3071	};	3396	};
3072		3397
3073	reload_config;	3398	reload_config;
3074	db_init;	3399	db_init;
3075	load_extensions;	3400	load_extensions;
3076		3401
3077	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	evthread_start IO::AIO::poll_fileno;
3078	Event::loop;	3404	EV::loop;
3079	}	3405	}
3080		3406
3081	#############################################################################	3407	#############################################################################
3082	# initialisation and cleanup	3408	# initialisation and cleanup
3083		3409
3084	# install some emergency cleanup handlers	3410	# install some emergency cleanup handlers
3085	BEGIN {	3411	BEGIN {
		3412	our %SIGWATCHER = ();
3086	for my $signal (qw(INT HUP TERM)) {	3413	for my $signal (qw(INT HUP TERM)) {
3087	Event->signal (	3414	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3088	reentrant => 0,
3089	data => WF_AUTOCANCEL,
3090	signal => $signal,
3091	prio => 0,
3092	cb => sub {
3093	cf::cleanup "SIG$signal";	3415	cf::cleanup "SIG$signal";
3094	},
3095	);	3416	};
3096	}	3417	}
3097	}	3418	}
3098		3419
3099	sub write_runtime {	3420	sub write_runtime_sync {
3100	my $runtime = "$LOCALDIR/runtime";	3421	my $runtime = "$LOCALDIR/runtime";
3101		3422
3102	# first touch the runtime file to show we are still running:	3423	# first touch the runtime file to show we are still running:
3103	# the fsync below can take a very very long time.	3424	# the fsync below can take a very very long time.
3104		3425
…		…
3130	and return;	3451	and return;
3131		3452
3132	warn "runtime file written.\n";	3453	warn "runtime file written.\n";
3133		3454
3134	1	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
3135	}	3499	}
3136		3500
3137	sub emergency_save() {	3501	sub emergency_save() {
3138	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
3139		3503
…		…
3145	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
3146	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
3147	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
3148	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
3149	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3150	$pl->save;	3515	$pl->save;
3151	}	3516	}
3152	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
3153		3518
3154	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
3160	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
3161		3526
3162	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
3163	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
3164	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
3165	};	3534	};
3166		3535
3167	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
3168	}	3537	}
3169		3538
…		…
3184	warn "reloading...";	3553	warn "reloading...";
3185		3554
3186	warn "entering sync_job";	3555	warn "entering sync_job";
3187		3556
3188	cf::sync_job {	3557	cf::sync_job {
3189	cf::write_runtime; # external watchdog should not bark	3558	cf::write_runtime_sync; # external watchdog should not bark
3190	cf::emergency_save;	3559	cf::emergency_save;
3191	cf::write_runtime; # external watchdog should not bark	3560	cf::write_runtime_sync; # external watchdog should not bark
3192		3561
3193	warn "syncing database to disk";	3562	warn "syncing database to disk";
3194	BDB::db_env_txn_checkpoint $DB_ENV;	3563	BDB::db_env_txn_checkpoint $DB_ENV;
3195		3564
3196	# if anything goes wrong in here, we should simply crash as we already saved	3565	# if anything goes wrong in here, we should simply crash as we already saved
3197
3198	warn "cancelling all WF_AUTOCANCEL watchers";
3199	for (Event::all_watchers) {
3200	$_->cancel if $_->data & WF_AUTOCANCEL;
3201	}
3202		3566
3203	warn "flushing outstanding aio requests";	3567	warn "flushing outstanding aio requests";
3204	for (;;) {	3568	for (;;) {
3205	BDB::flush;	3569	BDB::flush;
3206	IO::AIO::flush;	3570	IO::AIO::flush;
3207	Coro::cede;	3571	Coro::cede_notself;
3208	last unless IO::AIO::nreqs || BDB::nreqs;	3572	last unless IO::AIO::nreqs || BDB::nreqs;
3209	warn "iterate...";	3573	warn "iterate...";
3210	}	3574	}
3211		3575
3212	++$RELOAD;	3576	++$RELOAD;
…		…
3288	warn "leaving sync_job";	3652	warn "leaving sync_job";
3289		3653
3290	1	3654	1
3291	} or do {	3655	} or do {
3292	warn $@;	3656	warn $@;
3293	warn "error while reloading, exiting.";	3657	cf::cleanup "error while reloading, exiting.";
3294	exit 1;
3295	};	3658	};
3296		3659
3297	warn "reloaded";	3660	warn "reloaded";
3298	};	3661	};
3299		3662
…		…
3301		3664
3302	sub reload_perl() {	3665	sub reload_perl() {
3303	# doing reload synchronously and two reloads happen back-to-back,	3666	# doing reload synchronously and two reloads happen back-to-back,
3304	# coro crashes during coro_state_free->destroy here.	3667	# coro crashes during coro_state_free->destroy here.
3305		3668
3306	$RELOAD_WATCHER ||= Event->timer (	3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3307	reentrant => 0,
3308	after => 0,
3309	data => WF_AUTOCANCEL,
3310	cb => sub {
3311	do_reload_perl;	3670	do_reload_perl;
3312	undef $RELOAD_WATCHER;	3671	undef $RELOAD_WATCHER;
3313	},
3314	);	3672	};
3315	}	3673	}
3316		3674
3317	register_command "reload" => sub {	3675	register_command "reload" => sub {
3318	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
3319		3677
3320	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
3321	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
		3680	async {
		3681	$Coro::current->{desc} = "perl_reload";
3322	async { reload_perl };	3682	reload_perl;
		3683	};
3323	}	3684	}
3324	};	3685	};
3325		3686
3326	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
3327		3688
…		…
3329		3690
3330	our @WAIT_FOR_TICK;	3691	our @WAIT_FOR_TICK;
3331	our @WAIT_FOR_TICK_BEGIN;	3692	our @WAIT_FOR_TICK_BEGIN;
3332		3693
3333	sub wait_for_tick {	3694	sub wait_for_tick {
3334	return unless $TICK_WATCHER->is_active;	3695	return if tick_inhibit;
3335	return if $Coro::current == $Coro::main;	3696	return if $Coro::current == $Coro::main;
3336		3697
3337	my $signal = new Coro::Signal;	3698	my $signal = new Coro::Signal;
3338	push @WAIT_FOR_TICK, $signal;	3699	push @WAIT_FOR_TICK, $signal;
3339	$signal->wait;	3700	$signal->wait;
3340	}	3701	}
3341		3702
3342	sub wait_for_tick_begin {	3703	sub wait_for_tick_begin {
3343	return unless $TICK_WATCHER->is_active;	3704	return if tick_inhibit;
3344	return if $Coro::current == $Coro::main;	3705	return if $Coro::current == $Coro::main;
3345		3706
3346	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
3347	push @WAIT_FOR_TICK_BEGIN, $signal;	3708	push @WAIT_FOR_TICK_BEGIN, $signal;
3348	$signal->wait;	3709	$signal->wait;
3349	}	3710	}
3350		3711
3351	my $min = 1e6;#d#	3712	sub tick {
3352	my $avg = 10;
3353	$TICK_WATCHER = Event->timer (
3354	reentrant => 0,
3355	parked => 1,
3356	prio => 0,
3357	at => $NEXT_TICK || $TICK,
3358	data => WF_AUTOCANCEL,
3359	cb => sub {
3360	if ($Coro::current != $Coro::main) {	3713	if ($Coro::current != $Coro::main) {
3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3714	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3362	unless ++$bug_warning > 10;	3715	unless ++$bug_warning > 10;
3363	return;	3716	return;
3364	}	3717	}
3365		3718
3366	$NOW = $tick_start = Event::time;
3367
3368	cf::server_tick; # one server iteration	3719	cf::server_tick; # one server iteration
3369		3720
3370	0 && sync_job {#d#	3721	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3371	for(1..10) {	3722	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3372	my $t = Event::time;	3723	Coro::async_pool {
3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3724	$Coro::current->{desc} = "runtime saver";
3374	or die;	3725	write_runtime_sync
3375		3726	or warn "ERROR: unable to write runtime file: $!";
3376	$map->width (50);
3377	$map->height (50);
3378	$map->alloc;
3379	$map->_load_objects ("/tmp/x.map", 1);
3380	my $t = Event::time - $t;
3381
3382	#next unless $t < 0.0013;#d#
3383	if ($t < $min) {
3384	$min = $t;
3385	}
3386	$avg = $avg * 0.99 + $t * 0.01;
3387	}
3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3389	exit 0;
3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3391	};	3727	};
		3728	}
3392		3729
3393	$RUNTIME += $TICK;
3394	$NEXT_TICK += $TICK;
3395
3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3397	$NEXT_RUNTIME_WRITE = $NOW + 10;
3398	Coro::async_pool {
3399	write_runtime
3400	or warn "ERROR: unable to write runtime file: $!";
3401	};
3402	}
3403
3404	# my $AFTER = Event::time;
3405	# warn $AFTER - $NOW;#d#
3406
3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3730	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3408	$sig->send;	3731	$sig->send;
3409	}	3732	}
3410	while (my $sig = shift @WAIT_FOR_TICK) {	3733	while (my $sig = shift @WAIT_FOR_TICK) {
3411	$sig->send;	3734	$sig->send;
3412	}	3735	}
3413		3736
3414	$NOW = Event::time;	3737	$LOAD = ($NOW - $TICK_START) / $TICK;
3415
3416	# if we are delayed by four ticks or more, skip them all
3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3418
3419	$TICK_WATCHER->at ($NEXT_TICK);
3420	$TICK_WATCHER->start;
3421
3422	$LOAD = ($NOW - $tick_start) / $TICK;
3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3738	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3424		3739
3425	_post_tick;	3740	if (0) {
3426		3741	if ($NEXT_TICK) {
3427		3742	my $jitter = $TICK_START - $NEXT_TICK;
		3743	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3744	warn "jitter $JITTER\n";#d#
		3745	}
3428	},	3746	}
3429	);	3747	}
3430		3748
3431	{	3749	{
3432	BDB::max_poll_time $TICK * 0.1;	3750	# configure BDB
3433	$BDB_POLL_WATCHER = Event->io (	3751
3434	reentrant => 0,
3435	fd => BDB::poll_fileno,
3436	poll => 'r',
3437	prio => 0,
3438	data => WF_AUTOCANCEL,
3439	cb => \&BDB::poll_cb,
3440	);
3441	BDB::min_parallel 8;	3752	BDB::min_parallel 8;
3442		3753	BDB::max_poll_reqs $TICK * 0.1;
3443	BDB::set_sync_prepare {	3754	$Coro::BDB::WATCHER->priority (1);
3444	my $status;
3445	my $current = $Coro::current;
3446	(
3447	sub {
3448	$status = $!;
3449	$current->ready; undef $current;
3450	},
3451	sub {
3452	Coro::schedule while defined $current;
3453	$! = $status;
3454	},
3455	)
3456	};
3457		3755
3458	unless ($DB_ENV) {	3756	unless ($DB_ENV) {
3459	$DB_ENV = BDB::db_env_create;	3757	$DB_ENV = BDB::db_env_create;
		3758	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3759	| BDB::LOG_AUTOREMOVE, 1);
		3760	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3761	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3460		3762
3461	cf::sync_job {	3763	cf::sync_job {
3462	eval {	3764	eval {
3463	BDB::db_env_open	3765	BDB::db_env_open
3464	$DB_ENV,	3766	$DB_ENV,
…		…
3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3468	0666;	3770	0666;
3469		3771
3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3772	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3471
3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3473	$DB_ENV->set_lk_detect;
3474	};	3773	};
3475		3774
3476	cf::cleanup "db_env_open(db): $@" if $@;	3775	cf::cleanup "db_env_open(db): $@" if $@;
3477	};	3776	};
3478	}	3777	}
		3778
		3779	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3780	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3781	};
		3782	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3783	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3784	};
		3785	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3786	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3787	};
3479	}	3788	}
3480		3789
3481	{	3790	{
		3791	# configure IO::AIO
		3792
3482	IO::AIO::min_parallel 8;	3793	IO::AIO::min_parallel 8;
3483
3484	undef $Coro::AIO::WATCHER;
3485	IO::AIO::max_poll_time $TICK * 0.1;	3794	IO::AIO::max_poll_time $TICK * 0.1;
3486	$AIO_POLL_WATCHER = Event->io (	3795	$Coro::AIO::WATCHER->priority (1);
3487	reentrant => 0,
3488	data => WF_AUTOCANCEL,
3489	fd => IO::AIO::poll_fileno,
3490	poll => 'r',
3491	prio => 6,
3492	cb => \&IO::AIO::poll_cb,
3493	);
3494	}	3796	}
3495		3797
3496	my $_log_backtrace;	3798	my $_log_backtrace;
3497		3799
3498	sub _log_backtrace {	3800	sub _log_backtrace {
…		…
3502		3804
3503	# limit the # of concurrent backtraces	3805	# limit the # of concurrent backtraces
3504	if ($_log_backtrace < 2) {	3806	if ($_log_backtrace < 2) {
3505	++$_log_backtrace;	3807	++$_log_backtrace;
3506	async {	3808	async {
		3809	$Coro::current->{desc} = "abt $msg";
		3810
3507	my @bt = fork_call {	3811	my @bt = fork_call {
3508	@addr = map { sprintf "%x", $_ } @addr;	3812	@addr = map { sprintf "%x", $_ } @addr;
3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3813	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3510	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3814	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3511	or die "addr2line: $!";	3815	or die "addr2line: $!";

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