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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.353 by root, Sun Sep 2 08:43:46 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
…		…
1413	or return [];	1567	or return [];
1414		1568
1415	my @logins;	1569	my @logins;
1416		1570
1417	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1421		1580
1422	utf8::decode $login;	1581	utf8::decode $login;
1423	push @logins, $login;	1582	push @logins, $login;
1424	}	1583	}
1425		1584
…		…
1458		1617
1459	Expand crossfire pod fragments into protocol xml.	1618	Expand crossfire pod fragments into protocol xml.
1460		1619
1461	=cut	1620	=cut
1462		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
1463	sub expand_cfpod {	1633	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;	1634	my ($self, $pod) = @_;
1465		1635
1466	# escape & and <	1636	my $xml;
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469		1637
1470	# this is buggy, it needs to properly take care of nested <'s	1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
1471		1641
1472	1 while	1642	$group =~ s/&/&amp;/g;
1473	# replace B<>, I<>, U<> etc.	1643	$group =~ s/</&lt;/g;
1474	s/B<([^\>]*)>/<b>$1<\/b>/	1644
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/	1645	$xml .= $group;
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/	1646	} elsif ($pod =~ m%\G
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/	1647	([BCGHITU])
1478	# replace G<male|female> tags	1648	<
1479	|| s{G<([^>|]*)\|([^>]*)>}{	1649	(?:
1480	$self->gender ? $2 : $1	1650	([^<>]*) (?{ $group = $^N })
1481	}ge	1651	| < $interior >
1482	# replace H<hint text>	1652	)
1483	|| s{H<([^\>]*)>}	1653	>
		1654	%gcsx
1484	{	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") {
1485	("<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>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")	1675	"")
1488	[$self->{hintmode}]	1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
1489	}ge;	1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
1490		1687
		1688	for ($xml) {
1491	# create single paragraphs (very hackish)	1689	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;	1690	s/(?<=\S)\n(?=\w)/ /g;
1493		1691
1494	# compress some whitespace	1692	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends	1693	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines	1694	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines	1695	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines	1696	s/\n+$//; # ending lines
		1697	}
1499		1698
1500	$_	1699	$xml
1501	}	1700	}
		1701
		1702	no re 'eval';
1502		1703
1503	sub hintmode {	1704	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;	1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}	1706	$_[0]{hintmode}
1506	}	1707	}
…		…
1578	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1580		1781
1581	sub generate_random_map {	1782	sub generate_random_map {
1582	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
1583	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1584	$self->_create_random_map (	1788	$self->_create_random_map (
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1709		1913
1710	# the temporary/swap location	1914	# the temporary/swap location
1711	sub save_path {	1915	sub save_path {
1712	my ($self) = @_;	1916	my ($self) = @_;
1713		1917
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1716	}	1920	}
1717		1921
1718	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1719	sub uniq_path {	1923	sub uniq_path {
1720	my ($self) = @_;	1924	my ($self) = @_;
1721		1925
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1724	}	1928	}
1725		1929
1726	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1727	# all maps in C++...	1931	# all maps in C++...
…		…
1750		1954
1751	sub load_header_from($) {	1955	sub load_header_from($) {
1752	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1753		1957
1754	utf8::encode $path;	1958	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	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;
1760		1967
1761	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1762		1969
1763	1	1970	1
1764	}	1971	}
…		…
1818	sub find {	2025	sub find {
1819	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1820		2027
1821	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1822		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1824		2032
1825	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1826	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
1827	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1828	or return;	2038	or return;
1829		2039
1830	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1831		2041
…		…
1833	or return;	2043	or return;
1834		2044
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1838	$map->reset;	2050	$map->reset;
1839	undef $guard;
1840	return find $path;	2051	return find $path;
1841	}	2052	}
1842		2053
1843	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1844	}	2055	}
…		…
1853	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1854		2065
1855	my $path = $self->{path};	2066	my $path = $self->{path};
1856		2067
1857	{	2068	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2070
		2071	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1862		2073
1863	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1864		2075
1865	$self->alloc;	2076	$self->alloc;
1866		2077
1867	$self->pre_load;	2078	$self->pre_load;
1868	cf::cede_to_tick;	2079	cf::cede_to_tick;
1869		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1870	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1871	or return;	2084	or return;
1872		2085
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1874	if delete $self->{load_original};	2087	if delete $self->{load_original};
1875		2088
1876	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2090	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2093	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1881	}	2097	}
1882	}	2098	}
		2099
		2100	$f->resolve_delayed_derefs;
1883		2101
1884	cf::cede_to_tick;	2102	cf::cede_to_tick;
1885	# now do the right thing for maps	2103	# now do the right thing for maps
1886	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
…		…
1899	}	2117	}
1900		2118
1901	$self->{last_save} = $cf::RUNTIME;	2119	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2120	$self->last_access ($cf::RUNTIME);
1903		2121
1904	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1905	}	2123	}
1906		2124
1907	$self->post_load;	2125	$self->post_load;
1908	}	2126	}
1909		2127
…		…
1967	my ($path, $origin, $load) = @_;	2185	my ($path, $origin, $load) = @_;
1968		2186
1969	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1970		2188
1971	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2191	}
1974		2192
1975	$MAP_PREFETCH{$path} |= $load;	2193	$MAP_PREFETCH{$path} |= $load;
1976		2194
1977	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1978	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2200	if (my $map = find $k) {
1981	$map->load if $v;	2201	$map->load if $v;
1982	}	2202	}
…		…
2008	return if $self->{deny_save};	2228	return if $self->{deny_save};
2009		2229
2010	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
2011		2231
2012	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
2014	};	2235	};
		2236
		2237	cf::get_slot 0.02;
2015		2238
2016	if ($uniq) {	2239	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2242	} else {
…		…
2028	$self->save;	2251	$self->save;
2029		2252
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2254
2032	return if $self->players;	2255	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
2034	return if $self->{deny_save};	2257	return if $self->{deny_save};
2035		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
2036	$self->clear;	2263	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2264	}
2039		2265
2040	sub reset_at {	2266	sub reset_at {
2041	my ($self) = @_;	2267	my ($self) = @_;
2042		2268
…		…
2074	if $uniq;	2300	if $uniq;
2075	}	2301	}
2076		2302
2077	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
2078		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2307	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2308
2083	$self->unlink_save;	2309	$self->unlink_save;
2084	$self->destroy;	2310	$self->destroy;
2085	}	2311	}
2086		2312
…		…
2153		2379
2154	sub unique_maps() {	2380	sub unique_maps() {
2155	[	2381	[
2156	map {	2382	map {
2157	utf8::decode $_;	2383	utf8::decode $_;
2158	/\.map$/	2384	s/\.map$//; # TODO future compatibility hack
		2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2386	? ()
2159	? normalise $_	2387	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2388	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2389	]
2163	}	2390	}
2164		2391
2165	package cf;
2166
2167	=back	2392	=back
2168		2393
2169	=head3 cf::object	2394	=head3 cf::object
2170		2395
2171	=cut	2396	=cut
…		…
2174		2399
2175	=over 4	2400	=over 4
2176		2401
2177	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
2178		2403
2179	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.
2180		2406
2181	=cut	2407	=cut
2182		2408
2183	sub inv_recursive_;	2409	sub inv_recursive_;
2184	sub inv_recursive_ {	2410	sub inv_recursive_ {
2185	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
2186	}	2412	}
2187		2413
2188	sub inv_recursive {	2414	sub inv_recursive {
2189	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	}
2190	}	2444	}
2191		2445
2192	package cf;	2446	package cf;
2193		2447
2194	=back	2448	=back
…		…
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2609
2356	$self->enter_link;	2610	$self->enter_link;
2357		2611
2358	(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
2359	my $map = eval {	2634	my $map = eval {
2360	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
2361		2636
2362	if ($map) {	2637	if ($map) {
2363	$map = $map->customise_for ($self);	2638	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2639	$map = $check->($map) if $check && $map;
2365	} else {	2640	} else {
2366	$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);
2367	}	2642	}
2368		2643
2369	$map	2644	$map
2370	};	2645	};
2371		2646
…		…
2424	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2425	}	2700	}
2426		2701
2427	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2428		2703
2429	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2432		2707
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2461	# if exit is damned, update players death & WoR home-position	2736	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)	2737	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);	2738	if $exit->flag (FLAG_DAMNED);
2464		2739
2465	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2466	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2467	unless (eval {	2744	unless (eval {
2468	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2469		2746
2470	1;	2747	1;
…		…
2505	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
2506	the message unless the client supports the msg packet.	2783	the message unless the client supports the msg packet.
2507		2784
2508	=cut	2785	=cut
2509		2786
		2787	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	2788	our %CHANNEL = (
2511	"c/identify" => {	2789	"c/identify" => {
2512	id => "identify",	2790	id => "infobox",
2513	title => "Identify",	2791	title => "Identify",
2514	reply => undef,	2792	reply => undef,
2515	tooltip => "Items recently identified",	2793	tooltip => "Items recently identified",
2516	},	2794	},
2517	"c/examine" => {	2795	"c/examine" => {
2518	id => "examine",	2796	id => "infobox",
2519	title => "Examine",	2797	title => "Examine",
2520	reply => undef,	2798	reply => undef,
2521	tooltip => "Signs and other items you examined",	2799	tooltip => "Signs and other items you examined",
2522	},	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	},
2523	);	2837	);
2524		2838
2525	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2527		2841
2528	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg);
2529		2843
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		2845
2532	# check predefined channels, for the benefit of C	2846	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
2534		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
2535	if (ref $channel) {	2855	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	2856	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	2857	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	2858	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel)	2859	$self->ext_msg (channel_info => $channel)
2540	if $self->can_msg;	2860	if $self->can_msg;
…		…
2757	=pod	3077	=pod
2758		3078
2759	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2760		3080
2761	cf::object	3081	cf::object
2762	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
2763	insert remove name archname title slaying race decrease_ob_nr	3083	insert remove name archname title slaying race decrease_ob_nr
2764		3084
2765	cf::object::player	3085	cf::object::player
2766	player	3086	player
2767		3087
…		…
2774	=cut	3094	=cut
2775		3095
2776	for (	3096	for (
2777	["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
2778	insert remove inv name archname title slaying race	3098	insert remove inv name archname title slaying race
2779	decrease_ob_nr)],	3099	decrease_ob_nr destroy)],
2780	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2781	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2782	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2783	) {	3103	) {
2784	no strict 'refs';	3104	no strict 'refs';
…		…
2889	{	3209	{
2890	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2891		3211
2892	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2894	cf::face::set_visibility $idx, $info->{visibility};	3215	cf::face::set_visibility $idx, $info->{visibility};
2895	cf::face::set_magicmap $idx, $info->{magicmap};	3216	cf::face::set_magicmap $idx, $info->{magicmap};
2896	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};
2897	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};
2898		3219
2899	cf::cede_to_tick;	3220	cf::cede_to_tick;
2900	}	3221	}
2901		3222
2902	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2903	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2904	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2905	or next;	3227	or next;
		3228
2906	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
2907	cf::face::set_smooth $idx, $smooth;	3230	cf::face::set_smooth $idx, $smooth;
2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2909	} else {	3232	} else {
2910	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2928	{	3251	{
2929	# TODO: for gcfclient pleasure, we should give resources	3252	# TODO: for gcfclient pleasure, we should give resources
2930	# that gcfclient doesn't grok a >10000 face index.	3253	# that gcfclient doesn't grok a >10000 face index.
2931	my $res = $facedata->{resource};	3254	my $res = $facedata->{resource};
2932		3255
2933	my $soundconf = delete $res->{"res/sound.conf"};
2934
2935	while (my ($name, $info) = each %$res) {	3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2937	my $data;	3259	my $data;
2938		3260
2939	if ($info->{type} & 1) {	3261	if ($info->{type} & 1) {
2940	# prepend meta info	3262	# prepend meta info
2941		3263
2942	my $meta = $enc->encode ({	3264	my $meta = $enc->encode ({
2943	name => $name,	3265	name => $name,
2944	%{ $info->{meta} || {} },	3266	%{ $info->{meta} || {} },
2945	});	3267	});
2946		3268
2947	$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};
2948	} else {	3276	} else {
2949	$data = $info->{data};	3277	$RESOURCE{$name} = $info;
2950	}	3278	}
2951		3279
2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2953	cf::face::set_type $idx, $info->{type};
2954
2955	cf::cede_to_tick;	3280	cf::cede_to_tick;
2956	}	3281	}
2957
2958	if ($soundconf) {
2959	$soundconf = $enc->decode (delete $soundconf->{data});
2960
2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2962	my $sound = $soundconf->{compat}[$_]
2963	or next;
2964
2965	my $face = cf::face::find "sound/$sound->[1]";
2966	cf::sound::set $sound->[0] => $face;
2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2968	}
2969
2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
2971	my $face = cf::face::find "sound/$v";
2972	cf::sound::set $k => $face;
2973	}
2974	}
2975	}	3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2976		3285
2977	1	3286	1
2978	}	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	});
2979		3308
2980	register_exticmd fx_want => sub {	3309	register_exticmd fx_want => sub {
2981	my ($ns, $want) = @_;	3310	my ($ns, $want) = @_;
2982		3311
2983	while (my ($k, $v) = each %$want) {	3312	while (my ($k, $v) = each %$want) {
…		…
3038	sub reload_config {	3367	sub reload_config {
3039	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
3040	or return;	3369	or return;
3041		3370
3042	local $/;	3371	local $/;
3043	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
3044		3373
3045	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3046		3375
3047	$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};
3048	$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};
…		…
3059	sub main {	3388	sub main {
3060	# we must not ever block the main coroutine	3389	# we must not ever block the main coroutine
3061	local $Coro::idle = sub {	3390	local $Coro::idle = sub {
3062	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#
3063	(async {	3392	(async {
3064	Event::one_event;	3393	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3394	EV::loop EV::LOOP_ONESHOT;
3065	})->prio (Coro::PRIO_MAX);	3395	})->prio (Coro::PRIO_MAX);
3066	};	3396	};
3067		3397
3068	reload_config;	3398	reload_config;
3069	db_init;	3399	db_init;
3070	load_extensions;	3400	load_extensions;
3071		3401
3072	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	evthread_start IO::AIO::poll_fileno;
3073	Event::loop;	3404	EV::loop;
3074	}	3405	}
3075		3406
3076	#############################################################################	3407	#############################################################################
3077	# initialisation and cleanup	3408	# initialisation and cleanup
3078		3409
3079	# install some emergency cleanup handlers	3410	# install some emergency cleanup handlers
3080	BEGIN {	3411	BEGIN {
		3412	our %SIGWATCHER = ();
3081	for my $signal (qw(INT HUP TERM)) {	3413	for my $signal (qw(INT HUP TERM)) {
3082	Event->signal (	3414	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3083	reentrant => 0,
3084	data => WF_AUTOCANCEL,
3085	signal => $signal,
3086	prio => 0,
3087	cb => sub {
3088	cf::cleanup "SIG$signal";	3415	cf::cleanup "SIG$signal";
3089	},
3090	);	3416	};
3091	}	3417	}
3092	}	3418	}
3093		3419
3094	sub write_runtime {	3420	sub write_runtime_sync {
3095	my $runtime = "$LOCALDIR/runtime";	3421	my $runtime = "$LOCALDIR/runtime";
3096		3422
3097	# first touch the runtime file to show we are still running:	3423	# first touch the runtime file to show we are still running:
3098	# the fsync below can take a very very long time.	3424	# the fsync below can take a very very long time.
3099		3425
…		…
3125	and return;	3451	and return;
3126		3452
3127	warn "runtime file written.\n";	3453	warn "runtime file written.\n";
3128		3454
3129	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 };
3130	}	3499	}
3131		3500
3132	sub emergency_save() {	3501	sub emergency_save() {
3133	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
3134		3503
…		…
3140	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
3141	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
3142	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
3143	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
3144	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3145	$pl->save;	3515	$pl->save;
3146	}	3516	}
3147	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
3148		3518
3149	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
3155	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
3156		3526
3157	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
3158	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
3159	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";
3160	};	3534	};
3161		3535
3162	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
3163	}	3537	}
3164		3538
…		…
3179	warn "reloading...";	3553	warn "reloading...";
3180		3554
3181	warn "entering sync_job";	3555	warn "entering sync_job";
3182		3556
3183	cf::sync_job {	3557	cf::sync_job {
3184	cf::write_runtime; # external watchdog should not bark	3558	cf::write_runtime_sync; # external watchdog should not bark
3185	cf::emergency_save;	3559	cf::emergency_save;
3186	cf::write_runtime; # external watchdog should not bark	3560	cf::write_runtime_sync; # external watchdog should not bark
3187		3561
3188	warn "syncing database to disk";	3562	warn "syncing database to disk";
3189	BDB::db_env_txn_checkpoint $DB_ENV;	3563	BDB::db_env_txn_checkpoint $DB_ENV;
3190		3564
3191	# 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
3192
3193	warn "cancelling all WF_AUTOCANCEL watchers";
3194	for (Event::all_watchers) {
3195	$_->cancel if $_->data & WF_AUTOCANCEL;
3196	}
3197		3566
3198	warn "flushing outstanding aio requests";	3567	warn "flushing outstanding aio requests";
3199	for (;;) {	3568	for (;;) {
3200	BDB::flush;	3569	BDB::flush;
3201	IO::AIO::flush;	3570	IO::AIO::flush;
3202	Coro::cede;	3571	Coro::cede_notself;
3203	last unless IO::AIO::nreqs || BDB::nreqs;	3572	last unless IO::AIO::nreqs || BDB::nreqs;
3204	warn "iterate...";	3573	warn "iterate...";
3205	}	3574	}
3206		3575
3207	++$RELOAD;	3576	++$RELOAD;
…		…
3283	warn "leaving sync_job";	3652	warn "leaving sync_job";
3284		3653
3285	1	3654	1
3286	} or do {	3655	} or do {
3287	warn $@;	3656	warn $@;
3288	warn "error while reloading, exiting.";	3657	cf::cleanup "error while reloading, exiting.";
3289	exit 1;
3290	};	3658	};
3291		3659
3292	warn "reloaded";	3660	warn "reloaded";
3293	};	3661	};
3294		3662
…		…
3296		3664
3297	sub reload_perl() {	3665	sub reload_perl() {
3298	# doing reload synchronously and two reloads happen back-to-back,	3666	# doing reload synchronously and two reloads happen back-to-back,
3299	# coro crashes during coro_state_free->destroy here.	3667	# coro crashes during coro_state_free->destroy here.
3300		3668
3301	$RELOAD_WATCHER ||= Event->timer (	3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3302	reentrant => 0,
3303	after => 0,
3304	data => WF_AUTOCANCEL,
3305	cb => sub {
3306	do_reload_perl;	3670	do_reload_perl;
3307	undef $RELOAD_WATCHER;	3671	undef $RELOAD_WATCHER;
3308	},
3309	);	3672	};
3310	}	3673	}
3311		3674
3312	register_command "reload" => sub {	3675	register_command "reload" => sub {
3313	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
3314		3677
3315	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
3316	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
		3680	async {
		3681	$Coro::current->{desc} = "perl_reload";
3317	async { reload_perl };	3682	reload_perl;
		3683	};
3318	}	3684	}
3319	};	3685	};
3320		3686
3321	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
3322		3688
…		…
3324		3690
3325	our @WAIT_FOR_TICK;	3691	our @WAIT_FOR_TICK;
3326	our @WAIT_FOR_TICK_BEGIN;	3692	our @WAIT_FOR_TICK_BEGIN;
3327		3693
3328	sub wait_for_tick {	3694	sub wait_for_tick {
3329	return unless $TICK_WATCHER->is_active;	3695	return if tick_inhibit;
3330	return if $Coro::current == $Coro::main;	3696	return if $Coro::current == $Coro::main;
3331		3697
3332	my $signal = new Coro::Signal;	3698	my $signal = new Coro::Signal;
3333	push @WAIT_FOR_TICK, $signal;	3699	push @WAIT_FOR_TICK, $signal;
3334	$signal->wait;	3700	$signal->wait;
3335	}	3701	}
3336		3702
3337	sub wait_for_tick_begin {	3703	sub wait_for_tick_begin {
3338	return unless $TICK_WATCHER->is_active;	3704	return if tick_inhibit;
3339	return if $Coro::current == $Coro::main;	3705	return if $Coro::current == $Coro::main;
3340		3706
3341	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
3342	push @WAIT_FOR_TICK_BEGIN, $signal;	3708	push @WAIT_FOR_TICK_BEGIN, $signal;
3343	$signal->wait;	3709	$signal->wait;
3344	}	3710	}
3345		3711
3346	my $min = 1e6;#d#	3712	sub tick {
3347	my $avg = 10;
3348	$TICK_WATCHER = Event->timer (
3349	reentrant => 0,
3350	parked => 1,
3351	prio => 0,
3352	at => $NEXT_TICK || $TICK,
3353	data => WF_AUTOCANCEL,
3354	cb => sub {
3355	if ($Coro::current != $Coro::main) {	3713	if ($Coro::current != $Coro::main) {
3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3714	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3357	unless ++$bug_warning > 10;	3715	unless ++$bug_warning > 10;
3358	return;	3716	return;
3359	}	3717	}
3360		3718
3361	$NOW = $tick_start = Event::time;
3362
3363	cf::server_tick; # one server iteration	3719	cf::server_tick; # one server iteration
3364		3720
3365	0 && sync_job {#d#	3721	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3366	for(1..10) {	3722	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3367	my $t = Event::time;	3723	Coro::async_pool {
3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3724	$Coro::current->{desc} = "runtime saver";
3369	or die;	3725	write_runtime_sync
3370		3726	or warn "ERROR: unable to write runtime file: $!";
3371	$map->width (50);
3372	$map->height (50);
3373	$map->alloc;
3374	$map->_load_objects ("/tmp/x.map", 1);
3375	my $t = Event::time - $t;
3376
3377	#next unless $t < 0.0013;#d#
3378	if ($t < $min) {
3379	$min = $t;
3380	}
3381	$avg = $avg * 0.99 + $t * 0.01;
3382	}
3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3384	exit 0;
3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3386	};	3727	};
		3728	}
3387		3729
3388	$RUNTIME += $TICK;
3389	$NEXT_TICK += $TICK;
3390
3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
3393	Coro::async_pool {
3394	write_runtime
3395	or warn "ERROR: unable to write runtime file: $!";
3396	};
3397	}
3398
3399	# my $AFTER = Event::time;
3400	# warn $AFTER - $NOW;#d#
3401
3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3730	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3403	$sig->send;	3731	$sig->send;
3404	}	3732	}
3405	while (my $sig = shift @WAIT_FOR_TICK) {	3733	while (my $sig = shift @WAIT_FOR_TICK) {
3406	$sig->send;	3734	$sig->send;
3407	}	3735	}
3408		3736
3409	$NOW = Event::time;	3737	$LOAD = ($NOW - $TICK_START) / $TICK;
3410
3411	# if we are delayed by four ticks or more, skip them all
3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3413
3414	$TICK_WATCHER->at ($NEXT_TICK);
3415	$TICK_WATCHER->start;
3416
3417	$LOAD = ($NOW - $tick_start) / $TICK;
3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3738	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3419		3739
3420	_post_tick;	3740	if (0) {
3421		3741	if ($NEXT_TICK) {
3422		3742	my $jitter = $TICK_START - $NEXT_TICK;
		3743	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3744	warn "jitter $JITTER\n";#d#
		3745	}
3423	},	3746	}
3424	);	3747	}
3425		3748
3426	{	3749	{
3427	BDB::max_poll_time $TICK * 0.1;	3750	# configure BDB
3428	$BDB_POLL_WATCHER = Event->io (	3751
3429	reentrant => 0,
3430	fd => BDB::poll_fileno,
3431	poll => 'r',
3432	prio => 0,
3433	data => WF_AUTOCANCEL,
3434	cb => \&BDB::poll_cb,
3435	);
3436	BDB::min_parallel 8;	3752	BDB::min_parallel 8;
3437		3753	BDB::max_poll_reqs $TICK * 0.1;
3438	BDB::set_sync_prepare {	3754	$Coro::BDB::WATCHER->priority (1);
3439	my $status;
3440	my $current = $Coro::current;
3441	(
3442	sub {
3443	$status = $!;
3444	$current->ready; undef $current;
3445	},
3446	sub {
3447	Coro::schedule while defined $current;
3448	$! = $status;
3449	},
3450	)
3451	};
3452		3755
3453	unless ($DB_ENV) {	3756	unless ($DB_ENV) {
3454	$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);
3455		3762
3456	cf::sync_job {	3763	cf::sync_job {
3457	eval {	3764	eval {
3458	BDB::db_env_open	3765	BDB::db_env_open
3459	$DB_ENV,	3766	$DB_ENV,
…		…
3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3463	0666;	3770	0666;
3464		3771
3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3772	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3466
3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3468	$DB_ENV->set_lk_detect;
3469	};	3773	};
3470		3774
3471	cf::cleanup "db_env_open(db): $@" if $@;	3775	cf::cleanup "db_env_open(db): $@" if $@;
3472	};	3776	};
3473	}	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	};
3474	}	3788	}
3475		3789
3476	{	3790	{
		3791	# configure IO::AIO
		3792
3477	IO::AIO::min_parallel 8;	3793	IO::AIO::min_parallel 8;
3478
3479	undef $Coro::AIO::WATCHER;
3480	IO::AIO::max_poll_time $TICK * 0.1;	3794	IO::AIO::max_poll_time $TICK * 0.1;
3481	$AIO_POLL_WATCHER = Event->io (	3795	$Coro::AIO::WATCHER->priority (1);
3482	reentrant => 0,
3483	data => WF_AUTOCANCEL,
3484	fd => IO::AIO::poll_fileno,
3485	poll => 'r',
3486	prio => 6,
3487	cb => \&IO::AIO::poll_cb,
3488	);
3489	}	3796	}
3490		3797
3491	my $_log_backtrace;	3798	my $_log_backtrace;
3492		3799
3493	sub _log_backtrace {	3800	sub _log_backtrace {
…		…
3497		3804
3498	# limit the # of concurrent backtraces	3805	# limit the # of concurrent backtraces
3499	if ($_log_backtrace < 2) {	3806	if ($_log_backtrace < 2) {
3500	++$_log_backtrace;	3807	++$_log_backtrace;
3501	async {	3808	async {
		3809	$Coro::current->{desc} = "abt $msg";
		3810
3502	my @bt = fork_call {	3811	my @bt = fork_call {
3503	@addr = map { sprintf "%x", $_ } @addr;	3812	@addr = map { sprintf "%x", $_ } @addr;
3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3813	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3505	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 |"
3506	or die "addr2line: $!";	3815	or die "addr2line: $!";

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