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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.347 by root, Thu Aug 30 05:16:09 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 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	}
…		…
394		450
395	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
396		452
397	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
398		454
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	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	456	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	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	458	acceptable.
403		459
404	If it must be done, put the blocking parts into C<sync_job>. This will run	460	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	461	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		466
411	sub sync_job(&) {	467	sub sync_job(&) {
412	my ($job) = @_;	468	my ($job) = @_;
413		469
414	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	471	my $time = EV::time;
416		472
417	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
419		475
420	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	477
422	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
423		479
424	my $busy = 1;	480	my $busy = 1;
425	my @res;	481	my @res;
426		482
427	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	485	@res = eval { $job->() };
429	warn $@ if $@;	486	warn $@ if $@;
430	undef $busy;	487	undef $busy;
431	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
432		489
433	while ($busy) {	490	while ($busy) {
434	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
435	}	495	}
		496	}
436		497
437	$time = Event::time - $time;	498	my $time = EV::time - $time;
438		499
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	500	$TICK_START += $time; # do not account sync jobs to server load
443		501
444	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
445	} else {	503	} else {
446	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
447		505
…		…
472	=item fork_call { }, $args	530	=item fork_call { }, $args
473		531
474	Executes the given code block with the given arguments in a seperate	532	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	534	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
478		536
479	=cut	537	=cut
480		538
481	sub fork_call(&@) {	539	sub fork_call(&@) {
482	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
483		541
484	# we seemingly have to make a local copy of the whole thing,	542	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	543	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	544	# TODO: investigate and fix (likely this will be rather laborious)
487		545
488	my @res = Coro::Util::fork_eval {	546	my @res = Coro::Util::fork_eval {
489	reset_signals;	547	reset_signals;
490	&$cb	548	&$cb
491	}, @args;	549	}, @args;
492		550
493	wantarray ? @res : $res[-1]	551	wantarray ? @res : $res[-1]
494	}	552	}
495		553
		554	=item $coin = coin_from_name $name
		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
496	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
497		582
498	Returns a single value from the environment database.	583	Returns a single value from the environment database.
499		584
500	=item cf::db_put $family => $key => $value	585	=item cf::db_put $family => $key => $value
501		586
502	Stores the given C<$value> in the family. It can currently store binary	587	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).	588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
505	=cut	595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
506		613
507	our $DB;	614	our $DB;
508		615
509	sub db_init {	616	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	617	cf::sync_job {
514	eval {	618	$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	}	619	};
524	}	620	}
525		621
526	sub db_get($$) {	622	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	623	my $key = "$_[0]/$_[1]";
528		624
…		…
632	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
634		730
635	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	733	Deliantra).
638		734
639	=over 4	735	=over 4
640		736
641	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
642		738
…		…
924	}	1020	}
925		1021
926	0	1022	0
927	}	1023	}
928		1024
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1026
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1028
933	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
934		1030
…		…
940		1036
941	=cut	1037	=cut
942		1038
943	#############################################################################	1039	#############################################################################
944	# object support	1040	# object support
945	#
946		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
947	sub _can_merge {	1075	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1076	my ($ob1, $ob2) = @_;
949		1077
950	local $Storable::canonical = 1;	1078	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1079
954	$fob1 eq $fob2	1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
955	}	1082	}
956		1083
957	sub reattach {	1084	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1086	my ($obj) = @_;
…		…
981	cf::attachable->attach (	1108	cf::attachable->attach (
982	prio => -1000000,	1109	prio => -1000000,
983	on_instantiate => sub {	1110	on_instantiate => sub {
984	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
985		1112
986	$data = from_json $data;	1113	$data = decode_json $data;
987		1114
988	for (@$data) {	1115	for (@$data) {
989	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
990		1117
991	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1134	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
1009		1136
1010	sync_job {	1137	sync_job {
1011	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
1014		1142
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
1019	close $fh;	1147	close $fh;
1020		1148
1021	if (@$objs) {	1149	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
1027	close $fh;	1155	close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1157	}
…		…
1037	}	1165	}
1038	} else {	1166	} else {
1039	aio_unlink $filename;	1167	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
1041	}	1169	}
1042	}	1170	};
1043	}	1171	}
1044		1172
1045	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
1047		1175
…		…
1059	or return;	1187	or return;
1060		1188
1061	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1191	or return;
		1192
1064	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
1065	}	1195	}
1066		1196
		1197	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
1069	return ($data, $av);	1201	($data, $av)
1070	}	1202	}
1071		1203
1072	=head2 COMMAND CALLBACKS	1204	=head2 COMMAND CALLBACKS
1073		1205
1074	=over 4	1206	=over 4
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1225		1357
1226	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1359	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1361	}
1231		1362
1232	warn $msg;	1363	warn $msg;
1233	}	1364	}
1234		1365
…		…
1259	use Coro::AIO;	1390	use Coro::AIO;
1260		1391
1261	=head3 cf::player	1392	=head3 cf::player
1262		1393
1263	=over 4	1394	=over 4
		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
1264		1409
1265	=item cf::player::find $login	1410	=item cf::player::find $login
1266		1411
1267	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1268		1413
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1453
1309	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1312	}	1462	}
1313	}	1463	}
1314	}	1464	}
1315		1465
…		…
1413	or return [];	1563	or return [];
1414		1564
1415	my @logins;	1565	my @logins;
1416		1566
1417	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1421		1576
1422	utf8::decode $login;	1577	utf8::decode $login;
1423	push @logins, $login;	1578	push @logins, $login;
1424	}	1579	}
1425		1580
…		…
1458		1613
1459	Expand crossfire pod fragments into protocol xml.	1614	Expand crossfire pod fragments into protocol xml.
1460		1615
1461	=cut	1616	=cut
1462		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
1463	sub expand_cfpod {	1629	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;	1630	my ($self, $pod) = @_;
1465		1631
1466	# escape & and <	1632	my $xml;
1467	s/&/&amp;/g;
1468	s/(?<![BIUGH])</&lt;/g;
1469		1633
1470	# this is buggy, it needs to properly take care of nested <'s	1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
1471		1637
1472	1 while	1638	$group =~ s/&/&amp;/g;
1473	# replace B<>, I<>, U<> etc.	1639	$group =~ s/</&lt;/g;
1474	s/B<([^\>]*)>/<b>$1<\/b>/	1640
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/	1641	$xml .= $group;
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/	1642	} elsif ($pod =~ m%\G
1477	# replace G<male|female> tags	1643	([BCGHITU])
1478	|| s{G<([^>|]*)\|([^>]*)>}{	1644	<
1479	$self->gender ? $2 : $1	1645	(?:
1480	}ge	1646	([^<>]*) (?{ $group = $^N })
1481	# replace H<hint text>	1647	| < $interior >
1482	|| s{H<([^\>]*)>}	1648	)
		1649	>
		1650	%gcsx
1483	{	1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486	"")	1671	"")
1487	[$self->{hintmode}]	1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
1488	}ge;	1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
1489		1683
		1684	for ($xml) {
1490	# create single paragraphs (very hackish)	1685	# create single paragraphs (very hackish)
1491	s/(?<=\S)\n(?=\w)/ /g;	1686	s/(?<=\S)\n(?=\w)/ /g;
1492		1687
1493	# compress some whitespace	1688	# compress some whitespace
1494	s/\s+\n/\n/g; # ws line-ends	1689	s/\s+\n/\n/g; # ws line-ends
1495	s/\n\n+/\n/g; # double lines	1690	s/\n\n+/\n/g; # double lines
1496	s/^\n+//; # beginning lines	1691	s/^\n+//; # beginning lines
1497	s/\n+$//; # ending lines	1692	s/\n+$//; # ending lines
		1693	}
1498		1694
1499	$_	1695	$xml
1500	}	1696	}
		1697
		1698	no re 'eval';
1501		1699
1502	sub hintmode {	1700	sub hintmode {
1503	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1504	$_[0]{hintmode}	1702	$_[0]{hintmode}
1505	}	1703	}
…		…
1577	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1579		1777
1580	sub generate_random_map {	1778	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1582	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1784	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1708		1909
1709	# the temporary/swap location	1910	# the temporary/swap location
1710	sub save_path {	1911	sub save_path {
1711	my ($self) = @_;	1912	my ($self) = @_;
1712		1913
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1915	"$TMPDIR/$path.map"
1715	}	1916	}
1716		1917
1717	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1718	sub uniq_path {	1919	sub uniq_path {
1719	my ($self) = @_;	1920	my ($self) = @_;
1720		1921
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1923	"$UNIQUEDIR/$path"
1723	}	1924	}
1724		1925
1725	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1726	# all maps in C++...	1927	# all maps in C++...
…		…
1749		1950
1750	sub load_header_from($) {	1951	sub load_header_from($) {
1751	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1752		1953
1753	utf8::encode $path;	1954	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1759		1963
1760	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1761		1965
1762	1	1966	1
1763	}	1967	}
…		…
1817	sub find {	2021	sub find {
1818	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1819		2023
1820	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1821		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1823		2028
1824	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1826	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1827	or return;	2034	or return;
1828		2035
1829	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1830		2037
…		…
1832	or return;	2039	or return;
1833		2040
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1837	$map->reset;	2046	$map->reset;
1838	undef $guard;
1839	return find $path;	2047	return find $path;
1840	}	2048	}
1841		2049
1842	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1843	}	2051	}
…		…
1852	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1853		2061
1854	my $path = $self->{path};	2062	my $path = $self->{path};
1855		2063
1856	{	2064	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		2066
		2067	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1861		2069
1862	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1863		2071
1864	$self->alloc;	2072	$self->alloc;
1865		2073
1866	$self->pre_load;	2074	$self->pre_load;
1867	cf::cede_to_tick;	2075	cf::cede_to_tick;
1868		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1869	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1870	or return;	2080	or return;
1871		2081
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1873	if delete $self->{load_original};	2083	if delete $self->{load_original};
1874		2084
1875	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2086	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2089	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1880	}	2093	}
1881	}	2094	}
		2095
		2096	$f->resolve_delayed_derefs;
1882		2097
1883	cf::cede_to_tick;	2098	cf::cede_to_tick;
1884	# now do the right thing for maps	2099	# now do the right thing for maps
1885	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1886	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
…		…
1972	}	2187	}
1973		2188
1974	$MAP_PREFETCH{$path} |= $load;	2189	$MAP_PREFETCH{$path} |= $load;
1975		2190
1976	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1977	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2196	if (my $map = find $k) {
1980	$map->load if $v;	2197	$map->load if $v;
1981	}	2198	}
…		…
2007	return if $self->{deny_save};	2224	return if $self->{deny_save};
2008		2225
2009	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
2010		2227
2011	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
2013	};	2231	};
2014		2232
2015	if ($uniq) {	2233	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
2030		2248
2031	return if $self->players;	2249	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
2033	return if $self->{deny_save};	2251	return if $self->{deny_save};
2034		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2257	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2258	}
2038		2259
2039	sub reset_at {	2260	sub reset_at {
2040	my ($self) = @_;	2261	my ($self) = @_;
2041		2262
…		…
2073	if $uniq;	2294	if $uniq;
2074	}	2295	}
2075		2296
2076	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
2077		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2301	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2302
2082	$self->unlink_save;	2303	$self->unlink_save;
2083	$self->destroy;	2304	$self->destroy;
2084	}	2305	}
2085		2306
2086	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
2087		2308
2088	sub nuke {	2309	sub nuke {
2089	my ($self) = @_;	2310	my ($self) = @_;
2090		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
2091	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
2092		2316
2093	$self->unlink_save;	2317	$self->unlink_save;
2094		2318
2095	bless $self, "cf::map";	2319	bless $self, "cf::map";
2096	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2324
2101	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
2102		2327
2103	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
2104	}	2329	}
2105		2330
2106	=item $maps = cf::map::tmp_maps	2331	=item $maps = cf::map::tmp_maps
…		…
2148		2373
2149	sub unique_maps() {	2374	sub unique_maps() {
2150	[	2375	[
2151	map {	2376	map {
2152	utf8::decode $_;	2377	utf8::decode $_;
2153	/\.map$/	2378	s/\.map$//; # TODO future compatibility hack
		2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2380	? ()
2154	? normalise $_	2381	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2382	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2383	]
2158	}	2384	}
2159		2385
2160	package cf;
2161
2162	=back	2386	=back
2163		2387
2164	=head3 cf::object	2388	=head3 cf::object
2165		2389
2166	=cut	2390	=cut
…		…
2169		2393
2170	=over 4	2394	=over 4
2171		2395
2172	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
2173		2397
2174	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
2175		2400
2176	=cut	2401	=cut
2177		2402
2178	sub inv_recursive_;	2403	sub inv_recursive_;
2179	sub inv_recursive_ {	2404	sub inv_recursive_ {
2180	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
2181	}	2406	}
2182		2407
2183	sub inv_recursive {	2408	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
2185	}	2438	}
2186		2439
2187	package cf;	2440	package cf;
2188		2441
2189	=back	2442	=back
…		…
2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2350		2603
2351	$self->enter_link;	2604	$self->enter_link;
2352		2605
2353	(async {	2606	(async {
		2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
2354	my $map = eval {	2628	my $map = eval {
2355	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
2356		2630
2357	if ($map) {	2631	if ($map) {
2358	$map = $map->customise_for ($self);	2632	$map = $map->customise_for ($self);
2359	$map = $check->($map) if $check && $map;	2633	$map = $check->($map) if $check && $map;
2360	} else {	2634	} else {
2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2362	}	2636	}
2363		2637
2364	$map	2638	$map
2365	};	2639	};
2366		2640
…		…
2419	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
2420	}	2694	}
2421		2695
2422	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
2423		2697
2424	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
2425	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
2426	my $meta = "$RANDOMDIR/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
2427		2701
2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2429	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
…		…
2456	# if exit is damned, update players death & WoR home-position	2730	# if exit is damned, update players death & WoR home-position
2457	$self->contr->savebed ($slaying, $hp, $sp)	2731	$self->contr->savebed ($slaying, $hp, $sp)
2458	if $exit->flag (FLAG_DAMNED);	2732	if $exit->flag (FLAG_DAMNED);
2459		2733
2460	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
2461	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
2462	unless (eval {	2738	unless (eval {
2463	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
2464		2740
2465	1;	2741	1;
…		…
2500	the message, with C<log> being the default. If C<$color> is negative, suppress	2776	the message, with C<log> being the default. If C<$color> is negative, suppress
2501	the message unless the client supports the msg packet.	2777	the message unless the client supports the msg packet.
2502		2778
2503	=cut	2779	=cut
2504		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
2505	sub cf::client::send_msg {	2833	sub cf::client::send_msg {
2506	my ($self, $channel, $msg, $color, @extra) = @_;	2834	my ($self, $channel, $msg, $color, @extra) = @_;
2507		2835
2508	$msg = $self->pl->expand_cfpod ($msg);	2836	$msg = $self->pl->expand_cfpod ($msg);
2509		2837
2510	$color &= cf::NDI_CLIENT_MASK; # just in case...	2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
2511		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
2512	if (ref $channel) {	2849	} elsif (ref $channel) {
2513	# send meta info to client, if not yet sent	2850	# send meta info to client, if not yet sent
2514	unless (exists $self->{channel}{$channel->{id}}) {	2851	unless (exists $self->{channel}{$channel->{id}}) {
2515	$self->{channel}{$channel->{id}} = $channel;	2852	$self->{channel}{$channel->{id}} = $channel;
2516	$self->ext_msg (channel_info => $channel);	2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
2517	}	2855	}
2518		2856
2519	$channel = $channel->{id};	2857	$channel = $channel->{id};
2520	}	2858	}
2521		2859
…		…
2733	=pod	3071	=pod
2734		3072
2735	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2736		3074
2737	cf::object	3075	cf::object
2738	contr pay_amount pay_player map x y force_find force_add	3076	contr pay_amount pay_player map x y force_find force_add destroy
2739	insert remove name archname title slaying race decrease_ob_nr	3077	insert remove name archname title slaying race decrease_ob_nr
2740		3078
2741	cf::object::player	3079	cf::object::player
2742	player	3080	player
2743		3081
…		…
2750	=cut	3088	=cut
2751		3089
2752	for (	3090	for (
2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2754	insert remove inv name archname title slaying race	3092	insert remove inv name archname title slaying race
2755	decrease_ob_nr)],	3093	decrease_ob_nr destroy)],
2756	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2757	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2758	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2759	) {	3097	) {
2760	no strict 'refs';	3098	no strict 'refs';
…		…
2836	# the server's init and main functions	3174	# the server's init and main functions
2837		3175
2838	sub load_facedata($) {	3176	sub load_facedata($) {
2839	my ($path) = @_;	3177	my ($path) = @_;
2840		3178
		3179	# HACK to clear player env face cache, we need some signal framework
		3180	# for this (global event?)
		3181	%ext::player_env::MUSIC_FACE_CACHE = ();
		3182
2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2842		3184
2843	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2844		3186
2845	my $facedata;	3187	my $facedata;
…		…
2861	{	3203	{
2862	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
2863		3205
2864	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
2866	cf::face::set_visibility $idx, $info->{visibility};	3209	cf::face::set_visibility $idx, $info->{visibility};
2867	cf::face::set_magicmap $idx, $info->{magicmap};	3210	cf::face::set_magicmap $idx, $info->{magicmap};
2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2870		3213
2871	cf::cede_to_tick;	3214	cf::cede_to_tick;
2872	}	3215	}
2873		3216
2874	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2875	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2876	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2877	or next;	3221	or next;
		3222
2878	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
2879	cf::face::set_smooth $idx, $smooth;	3224	cf::face::set_smooth $idx, $smooth;
2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881	} else {	3226	} else {
2882	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2900	{	3245	{
2901	# TODO: for gcfclient pleasure, we should give resources	3246	# TODO: for gcfclient pleasure, we should give resources
2902	# that gcfclient doesn't grok a >10000 face index.	3247	# that gcfclient doesn't grok a >10000 face index.
2903	my $res = $facedata->{resource};	3248	my $res = $facedata->{resource};
2904		3249
2905	my $soundconf = delete $res->{"res/sound.conf"};
2906
2907	while (my ($name, $info) = each %$res) {	3250	while (my ($name, $info) = each %$res) {
		3251	if (defined $info->{type}) {
2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2909	my $data;	3253	my $data;
2910		3254
2911	if ($info->{type} & 1) {	3255	if ($info->{type} & 1) {
2912	# prepend meta info	3256	# prepend meta info
2913		3257
2914	my $meta = $enc->encode ({	3258	my $meta = $enc->encode ({
2915	name => $name,	3259	name => $name,
2916	%{ $info->{meta} || {} },	3260	%{ $info->{meta} || {} },
2917	});	3261	});
2918		3262
2919	$data = pack "(w/a*)*", $meta, $info->{data};	3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
2920	} else {	3270	} else {
2921	$data = $info->{data};	3271	$RESOURCE{$name} = $info;
2922	}	3272	}
2923		3273
2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2925	cf::face::set_type $idx, $info->{type};
2926
2927	cf::cede_to_tick;	3274	cf::cede_to_tick;
2928	}	3275	}
2929
2930	if ($soundconf) {
2931	$soundconf = $enc->decode (delete $soundconf->{data});
2932
2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2934	my $sound = $soundconf->{compat}[$_]
2935	or next;
2936
2937	my $face = cf::face::find "sound/$sound->[1]";
2938	cf::sound::set $sound->[0] => $face;
2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2940	}
2941
2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
2943	my $face = cf::face::find "sound/$v";
2944	cf::sound::set $k => $face;
2945	}
2946	}
2947	}	3276	}
		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2948		3279
2949	1	3280	1
2950	}	3281	}
		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
2951		3302
2952	register_exticmd fx_want => sub {	3303	register_exticmd fx_want => sub {
2953	my ($ns, $want) = @_;	3304	my ($ns, $want) = @_;
2954		3305
2955	while (my ($k, $v) = each %$want) {	3306	while (my ($k, $v) = each %$want) {
2956	$ns->fx_want ($k, $v);	3307	$ns->fx_want ($k, $v);
2957	}	3308	}
2958	};	3309	};
2959		3310
2960	sub reload_regions {	3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
2961	load_resource_file "$MAPDIR/regions"	3316	load_resource_file "$MAPDIR/regions"
2962	or die "unable to load regions file\n";	3317	or die "unable to load regions file\n";
2963		3318
2964	for (cf::region::list) {	3319	for (cf::region::list) {
2965	$_->{match} = qr/$_->{match}/	3320	$_->{match} = qr/$_->{match}/
…		…
3006	sub reload_config {	3361	sub reload_config {
3007	open my $fh, "<:utf8", "$CONFDIR/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
3008	or return;	3363	or return;
3009		3364
3010	local $/;	3365	local $/;
3011	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
3012		3367
3013	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3014		3369
3015	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3016	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3027	sub main {	3382	sub main {
3028	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
3029	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
3030	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3031	(async {	3386	(async {
3032	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
3033	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
3034	};	3390	};
3035		3391
3036	reload_config;	3392	reload_config;
3037	db_init;	3393	db_init;
3038	load_extensions;	3394	load_extensions;
3039		3395
3040	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
3041	Event::loop;	3398	EV::loop;
3042	}	3399	}
3043		3400
3044	#############################################################################	3401	#############################################################################
3045	# initialisation and cleanup	3402	# initialisation and cleanup
3046		3403
3047	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
3048	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
3049	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
3050	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3051	reentrant => 0,
3052	data => WF_AUTOCANCEL,
3053	signal => $signal,
3054	prio => 0,
3055	cb => sub {
3056	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
3057	},
3058	);	3410	};
3059	}	3411	}
3060	}	3412	}
3061		3413
3062	sub write_runtime {	3414	sub write_runtime_sync {
3063	my $runtime = "$LOCALDIR/runtime";	3415	my $runtime = "$LOCALDIR/runtime";
3064		3416
3065	# first touch the runtime file to show we are still running:	3417	# first touch the runtime file to show we are still running:
3066	# the fsync below can take a very very long time.	3418	# the fsync below can take a very very long time.
3067		3419
…		…
3093	and return;	3445	and return;
3094		3446
3095	warn "runtime file written.\n";	3447	warn "runtime file written.\n";
3096		3448
3097	1	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
3098	}	3493	}
3099		3494
3100	sub emergency_save() {	3495	sub emergency_save() {
3101	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
3102		3497
…		…
3108	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
3109	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
3110	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
3111	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
3112	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3113	$pl->save;	3509	$pl->save;
3114	}	3510	}
3115	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
3116		3512
3117	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
3123	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
3124		3520
3125	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
3126	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
3127	warn "end emergency database checkpoint\n";	3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
3128	};	3528	};
3129		3529
3130	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
3131	}	3531	}
3132		3532
…		…
3147	warn "reloading...";	3547	warn "reloading...";
3148		3548
3149	warn "entering sync_job";	3549	warn "entering sync_job";
3150		3550
3151	cf::sync_job {	3551	cf::sync_job {
3152	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
3153	cf::emergency_save;	3553	cf::emergency_save;
3154	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
3155		3555
3156	warn "syncing database to disk";	3556	warn "syncing database to disk";
3157	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
3158		3558
3159	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
3160
3161	warn "cancelling all WF_AUTOCANCEL watchers";
3162	for (Event::all_watchers) {
3163	$_->cancel if $_->data & WF_AUTOCANCEL;
3164	}
3165		3560
3166	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
3167	for (;;) {	3562	for (;;) {
3168	BDB::flush;	3563	BDB::flush;
3169	IO::AIO::flush;	3564	IO::AIO::flush;
3170	Coro::cede;	3565	Coro::cede_notself;
3171	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
3172	warn "iterate...";	3567	warn "iterate...";
3173	}	3568	}
3174		3569
3175	++$RELOAD;	3570	++$RELOAD;
…		…
3251	warn "leaving sync_job";	3646	warn "leaving sync_job";
3252		3647
3253	1	3648	1
3254	} or do {	3649	} or do {
3255	warn $@;	3650	warn $@;
3256	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
3257	exit 1;
3258	};	3652	};
3259		3653
3260	warn "reloaded";	3654	warn "reloaded";
3261	};	3655	};
3262		3656
…		…
3264		3658
3265	sub reload_perl() {	3659	sub reload_perl() {
3266	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
3267	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
3268		3662
3269	$RELOAD_WATCHER ||= Event->timer (	3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3270	reentrant => 0,
3271	after => 0,
3272	data => WF_AUTOCANCEL,
3273	cb => sub {
3274	do_reload_perl;	3664	do_reload_perl;
3275	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
3276	},
3277	);	3666	};
3278	}	3667	}
3279		3668
3280	register_command "reload" => sub {	3669	register_command "reload" => sub {
3281	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
3282		3671
3283	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
3284	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
		3674	async {
		3675	$Coro::current->{desc} = "perl_reload";
3285	async { reload_perl };	3676	reload_perl;
		3677	};
3286	}	3678	}
3287	};	3679	};
3288		3680
3289	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
3290		3682
…		…
3292		3684
3293	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
3294	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
3295		3687
3296	sub wait_for_tick {	3688	sub wait_for_tick {
3297	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
3298	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
3299		3691
3300	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
3301	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
3302	$signal->wait;	3694	$signal->wait;
3303	}	3695	}
3304		3696
3305	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
3306	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
3307	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
3308		3700
3309	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
3310	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
3311	$signal->wait;	3703	$signal->wait;
3312	}	3704	}
3313		3705
3314	my $min = 1e6;#d#	3706	sub tick {
3315	my $avg = 10;
3316	$TICK_WATCHER = Event->timer (
3317	reentrant => 0,
3318	parked => 1,
3319	prio => 0,
3320	at => $NEXT_TICK || $TICK,
3321	data => WF_AUTOCANCEL,
3322	cb => sub {
3323	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3325	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
3326	return;	3710	return;
3327	}	3711	}
3328		3712
3329	$NOW = $tick_start = Event::time;
3330
3331	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
3332		3714
3333	0 && sync_job {#d#	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3334	for(1..10) {	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3335	my $t = Event::time;	3717	Coro::async_pool {
3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3718	$Coro::current->{desc} = "runtime saver";
3337	or die;	3719	write_runtime_sync
3338		3720	or warn "ERROR: unable to write runtime file: $!";
3339	$map->width (50);
3340	$map->height (50);
3341	$map->alloc;
3342	$map->_load_objects ("/tmp/x.map", 1);
3343	my $t = Event::time - $t;
3344
3345	#next unless $t < 0.0013;#d#
3346	if ($t < $min) {
3347	$min = $t;
3348	}
3349	$avg = $avg * 0.99 + $t * 0.01;
3350	}
3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3352	exit 0;
3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3354	};	3721	};
		3722	}
3355		3723
3356	$RUNTIME += $TICK;
3357	$NEXT_TICK += $TICK;
3358
3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3360	$NEXT_RUNTIME_WRITE = $NOW + 10;
3361	Coro::async_pool {
3362	write_runtime
3363	or warn "ERROR: unable to write runtime file: $!";
3364	};
3365	}
3366
3367	# my $AFTER = Event::time;
3368	# warn $AFTER - $NOW;#d#
3369
3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3371	$sig->send;	3725	$sig->send;
3372	}	3726	}
3373	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
3374	$sig->send;	3728	$sig->send;
3375	}	3729	}
3376		3730
3377	$NOW = Event::time;	3731	$LOAD = ($NOW - $TICK_START) / $TICK;
3378
3379	# if we are delayed by four ticks or more, skip them all
3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3381
3382	$TICK_WATCHER->at ($NEXT_TICK);
3383	$TICK_WATCHER->start;
3384
3385	$LOAD = ($NOW - $tick_start) / $TICK;
3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3387		3733
3388	_post_tick;	3734	if (0) {
3389		3735	if ($NEXT_TICK) {
3390		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
3391	},	3740	}
3392	);	3741	}
3393		3742
3394	{	3743	{
3395	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
3396	$BDB_POLL_WATCHER = Event->io (	3745
3397	reentrant => 0,
3398	fd => BDB::poll_fileno,
3399	poll => 'r',
3400	prio => 0,
3401	data => WF_AUTOCANCEL,
3402	cb => \&BDB::poll_cb,
3403	);
3404	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
3405		3747	BDB::max_poll_reqs $TICK * 0.1;
3406	BDB::set_sync_prepare {	3748	$Coro::BDB::WATCHER->priority (1);
3407	my $status;
3408	my $current = $Coro::current;
3409	(
3410	sub {
3411	$status = $!;
3412	$current->ready; undef $current;
3413	},
3414	sub {
3415	Coro::schedule while defined $current;
3416	$! = $status;
3417	},
3418	)
3419	};
3420		3749
3421	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
3422	$DB_ENV = BDB::db_env_create;	3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3423		3756
3424	cf::sync_job {	3757	cf::sync_job {
3425	eval {	3758	eval {
3426	BDB::db_env_open	3759	BDB::db_env_open
3427	$DB_ENV,	3760	$DB_ENV,
…		…
3429	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3430	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3431	0666;	3764	0666;
3432		3765
3433	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3434
3435	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3436	$DB_ENV->set_lk_detect;
3437	};	3767	};
3438		3768
3439	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
3440	};	3770	};
3441	}	3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
3442	}	3782	}
3443		3783
3444	{	3784	{
		3785	# configure IO::AIO
		3786
3445	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
3446
3447	undef $Coro::AIO::WATCHER;
3448	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
3449	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
3450	reentrant => 0,
3451	data => WF_AUTOCANCEL,
3452	fd => IO::AIO::poll_fileno,
3453	poll => 'r',
3454	prio => 6,
3455	cb => \&IO::AIO::poll_cb,
3456	);
3457	}	3790	}
3458		3791
3459	my $_log_backtrace;	3792	my $_log_backtrace;
3460		3793
3461	sub _log_backtrace {	3794	sub _log_backtrace {
…		…
3465		3798
3466	# limit the # of concurrent backtraces	3799	# limit the # of concurrent backtraces
3467	if ($_log_backtrace < 2) {	3800	if ($_log_backtrace < 2) {
3468	++$_log_backtrace;	3801	++$_log_backtrace;
3469	async {	3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
3470	my @bt = fork_call {	3805	my @bt = fork_call {
3471	@addr = map { sprintf "%x", $_ } @addr;	3806	@addr = map { sprintf "%x", $_ } @addr;
3472	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3473	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3474	or die "addr2line: $!";	3809	or die "addr2line: $!";

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