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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.346 by root, Tue Aug 28 19:38:40 2007 UTC vs.
Revision 1.426 by root, Thu Apr 24 04:40:31 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
…		…
272	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
275	returned.	310	returned.
276		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
277	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
279		317
280	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
281		319
282	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
283		321
284	=cut	322	=cut
285		323
286	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
287		326
288	sub lock_wait($) {	327	sub lock_wait($) {
289	my ($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#
290		334
291	# wait for lock, if any	335	# wait for lock, if any
292	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;	338	Coro::schedule;
…		…
300		344
301	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
302	lock_wait $key;	346	lock_wait $key;
303		347
304	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
305		350
306	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
307	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
309	}	355	}
310	}	356	}
311		357
…		…
314		360
315	! ! $LOCK{$key}	361	! ! $LOCK{$key}
316	}	362	}
317		363
318	sub freeze_mainloop {	364	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
320		366
321	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
322	$TICK_WATCHER->start;	368	}
323	};	369
324	$TICK_WATCHER->stop;	370	=item cf::periodic $interval, $cb
325	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
326	}	383	}
327		384
328	=item cf::get_slot $time[, $priority[, $name]]	385	=item cf::get_slot $time[, $priority[, $name]]
329		386
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341	our @SLOT_QUEUE;	398	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	399	our $SLOT_QUEUE;
343		400
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
346	my $signal = new Coro::Signal;	405	my $signal = new Coro::Signal;
347		406
348	while () {	407	while () {
349	next_job:	408	next_job:
350	my $avail = cf::till_tick;	409	my $avail = cf::till_tick;
…		…
358	}	417	}
359	}	418	}
360	}	419	}
361		420
362	if (@SLOT_QUEUE) {	421	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	423	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	424	$signal->wait;
366	} else {	425	} else {
367	Coro::schedule;	426	Coro::schedule;
368	}	427	}
369	}	428	}
370	};	429	};
371		430
372	sub get_slot($;$$) {	431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
373	my ($time, $pri, $name) = @_;	434	my ($time, $pri, $name) = @_;
374		435
375	$time = $TICK * .6 if $time > $TICK * .6;	436	$time = $TICK * .6 if $time > $TICK * .6;
376	my $sig = new Coro::Signal;	437	my $sig = new Coro::Signal;
377		438
…		…
391		452
392	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
393		454
394	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
395		456
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	457	The design of Deliantra requires that the main coroutine ($Coro::main)
397	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
398	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
399	acceptable.	460	acceptable.
400		461
401	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
402	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
…		…
407		468
408	sub sync_job(&) {	469	sub sync_job(&) {
409	my ($job) = @_;	470	my ($job) = @_;
410		471
411	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	473	my $time = EV::time;
413		474
414	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
416		477
417	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	479
419	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
420		481
421	my $busy = 1;	482	my $busy = 1;
422	my @res;	483	my @res;
423		484
424	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	487	@res = eval { $job->() };
426	warn $@ if $@;	488	warn $@ if $@;
427	undef $busy;	489	undef $busy;
428	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
429		491
430	while ($busy) {	492	while ($busy) {
431	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
432	}	497	}
		498	}
433		499
434	$time = Event::time - $time;	500	my $time = EV::time - $time;
435		501
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
440		503
441	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
442	} else {	505	} else {
443	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
444		507
…		…
469	=item fork_call { }, $args	532	=item fork_call { }, $args
470		533
471	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
472	process, returning the results. Everything must be serialisable with	535	process, returning the results. Everything must be serialisable with
473	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
474	never block itself or use any form of Event handling.	537	never block itself or use any form of event handling.
475		538
476	=cut	539	=cut
477		540
478	sub fork_call(&@) {	541	sub fork_call(&@) {
479	my ($cb, @args) = @_;	542	my ($cb, @args) = @_;
480		543
481	# 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,
482	# otherwise perl prematurely frees the stuff :/	545	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	546	# TODO: investigate and fix (likely this will be rather laborious)
484		547
485	my @res = Coro::Util::fork_eval {	548	my @res = Coro::Util::fork_eval {
486	reset_signals;	549	reset_signals;
487	&$cb	550	&$cb
488	}, @args;	551	}, @args;
489		552
490	wantarray ? @res : $res[-1]	553	wantarray ? @res : $res[-1]
491	}	554	}
492		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
493	=item $value = cf::db_get $family => $key	583	=item $value = cf::db_get $family => $key
494		584
495	Returns a single value from the environment database.	585	Returns a single value from the environment database.
496		586
497	=item cf::db_put $family => $key => $value	587	=item cf::db_put $family => $key => $value
498		588
499	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
500	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).
501		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
502	=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	}
503		615
504	our $DB;	616	our $DB;
505		617
506	sub db_init {	618	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	619	cf::sync_job {
511	eval {	620	$DB ||= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	621	};
521	}	622	}
522		623
523	sub db_get($$) {	624	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	625	my $key = "$_[0]/$_[1]";
525		626
…		…
629	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
631		732
632	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	735	Deliantra).
635		736
636	=over 4	737	=over 4
637		738
638	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
639		740
…		…
921	}	1022	}
922		1023
923	0	1024	0
924	}	1025	}
925		1026
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1028
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1030
930	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
931		1032
…		…
937		1038
938	=cut	1039	=cut
939		1040
940	#############################################################################	1041	#############################################################################
941	# object support	1042	# object support
942	#
943		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
944	sub _can_merge {	1077	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1078	my ($ob1, $ob2) = @_;
946		1079
947	local $Storable::canonical = 1;	1080	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1081
951	$fob1 eq $fob2	1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
952	}	1084	}
953		1085
954	sub reattach {	1086	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1088	my ($obj) = @_;
…		…
978	cf::attachable->attach (	1110	cf::attachable->attach (
979	prio => -1000000,	1111	prio => -1000000,
980	on_instantiate => sub {	1112	on_instantiate => sub {
981	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
982		1114
983	$data = from_json $data;	1115	$data = decode_json $data;
984		1116
985	for (@$data) {	1117	for (@$data) {
986	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
987		1119
988	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1136	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
1006		1138
1007	sync_job {	1139	sync_job {
1008	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
1011		1144
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
1016	close $fh;	1149	close $fh;
1017		1150
1018	if (@$objs) {	1151	if (@$objs) {
1019	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) {
1020	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1024	close $fh;	1157	close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1159	}
…		…
1034	}	1167	}
1035	} else {	1168	} else {
1036	aio_unlink $filename;	1169	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
1038	}	1171	}
1039	}	1172	};
1040	}	1173	}
1041		1174
1042	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
1044		1177
…		…
1056	or return;	1189	or return;
1057		1190
1058	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1193	or return;
		1194
1061	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
1062	}	1197	}
1063		1198
		1199	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
		1202
1066	return ($data, $av);	1203	($data, $av)
1067	}	1204	}
1068		1205
1069	=head2 COMMAND CALLBACKS	1206	=head2 COMMAND CALLBACKS
1070		1207
1071	=over 4	1208	=over 4
…		…
1220	my $msg = $@ ? "$v->{path}: $@\n"	1357	my $msg = $@ ? "$v->{path}: $@\n"
1221	: "$v->{base}: extension inactive.\n";	1358	: "$v->{base}: extension inactive.\n";
1222		1359
1223	if (exists $v->{meta}{mandatory}) {	1360	if (exists $v->{meta}{mandatory}) {
1224	warn $msg;	1361	warn $msg;
1225	warn "mandatory extension failed to load, exiting.\n";	1362	cf::cleanup "mandatory extension failed to load, exiting.";
1226	exit 1;
1227	}	1363	}
1228		1364
1229	warn $msg;	1365	warn $msg;
1230	}	1366	}
1231		1367
…		…
1256	use Coro::AIO;	1392	use Coro::AIO;
1257		1393
1258	=head3 cf::player	1394	=head3 cf::player
1259		1395
1260	=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	}
1261		1411
1262	=item cf::player::find $login	1412	=item cf::player::find $login
1263		1413
1264	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1265		1415
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1455
1306	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1307	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;
1308	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1309	}	1464	}
1310	}	1465	}
1311	}	1466	}
1312		1467
…		…
1320		1475
1321	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1322		1477
1323	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
		1480
		1481	cf::get_slot 0.01;
1325		1482
1326	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1327	cf::cede_to_tick;	1484	cf::cede_to_tick;
1328	}	1485	}
1329		1486
…		…
1410	or return [];	1567	or return [];
1411		1568
1412	my @logins;	1569	my @logins;
1413		1570
1414	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") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1418		1580
1419	utf8::decode $login;	1581	utf8::decode $login;
1420	push @logins, $login;	1582	push @logins, $login;
1421	}	1583	}
1422		1584
…		…
1455		1617
1456	Expand crossfire pod fragments into protocol xml.	1618	Expand crossfire pod fragments into protocol xml.
1457		1619
1458	=cut	1620	=cut
1459		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
1460	sub expand_cfpod {	1633	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;	1634	my ($self, $pod) = @_;
1462		1635
1463	# escape & and <	1636	my $xml;
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466		1637
1467	# this is buggy, it needs to properly take care of nested <'s	1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
1468		1641
1469	1 while	1642	$group =~ s/&/&amp;/g;
1470	# replace B<>, I<>, U<> etc.	1643	$group =~ s/</&lt;/g;
1471	s/B<([^\>]*)>/<b>$1<\/b>/	1644
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/	1645	$xml .= $group;
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/	1646	} elsif ($pod =~ m%\G
1474	# replace G<male|female> tags	1647	([BCGHITU])
1475	|| s{G<([^>|]*)\|([^>]*)>}{	1648	<
1476	$self->gender ? $2 : $1	1649	(?:
1477	}ge	1650	([^<>]*) (?{ $group = $^N })
1478	# replace H<hint text>	1651	| < $interior >
1479	|| s{H<([^\>]*)>}	1652	)
		1653	>
		1654	%gcsx
1480	{	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") {
1481	("<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>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")	1675	"")
1484	[$self->{hintmode}]	1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
1485	}ge;	1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
1486		1687
		1688	for ($xml) {
1487	# create single paragraphs (very hackish)	1689	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;	1690	s/(?<=\S)\n(?=\w)/ /g;
1489		1691
1490	# compress some whitespace	1692	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends	1693	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines	1694	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines	1695	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines	1696	s/\n+$//; # ending lines
		1697	}
1495		1698
1496	$_	1699	$xml
1497	}	1700	}
		1701
		1702	no re 'eval';
1498		1703
1499	sub hintmode {	1704	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;	1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}	1706	$_[0]{hintmode}
1502	}	1707	}
…		…
1574	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1576		1781
1577	sub generate_random_map {	1782	sub generate_random_map {
1578	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
1579	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1580	$self->_create_random_map (	1788	$self->_create_random_map (
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1705		1913
1706	# the temporary/swap location	1914	# the temporary/swap location
1707	sub save_path {	1915	sub save_path {
1708	my ($self) = @_;	1916	my ($self) = @_;
1709		1917
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1712	}	1920	}
1713		1921
1714	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1715	sub uniq_path {	1923	sub uniq_path {
1716	my ($self) = @_;	1924	my ($self) = @_;
1717		1925
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1720	}	1928	}
1721		1929
1722	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1723	# all maps in C++...	1931	# all maps in C++...
…		…
1746		1954
1747	sub load_header_from($) {	1955	sub load_header_from($) {
1748	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1749		1957
1750	utf8::encode $path;	1958	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	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;
1756		1967
1757	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1758		1969
1759	1	1970	1
1760	}	1971	}
…		…
1814	sub find {	2025	sub find {
1815	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1816		2027
1817	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1818		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1820		2032
1821	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1822	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
1823	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1824	or return;	2038	or return;
1825		2039
1826	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1827		2041
…		…
1829	or return;	2043	or return;
1830		2044
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1834	$map->reset;	2050	$map->reset;
1835	undef $guard;
1836	return find $path;	2051	return find $path;
1837	}	2052	}
1838		2053
1839	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1840	}	2055	}
…		…
1849	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1850		2065
1851	my $path = $self->{path};	2066	my $path = $self->{path};
1852		2067
1853	{	2068	{
1854	my $guard1 = cf::lock_acquire "map_data:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1855	my $guard2 = cf::lock_acquire "map_load:$path";
1856		2070
		2071	return unless $self->valid;
1857	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1858		2073
1859	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1860		2075
1861	$self->alloc;	2076	$self->alloc;
1862		2077
1863	$self->pre_load;	2078	$self->pre_load;
1864	cf::cede_to_tick;	2079	cf::cede_to_tick;
1865		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1866	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1867	or return;	2084	or return;
1868		2085
1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1870	if delete $self->{load_original};	2087	if delete $self->{load_original};
1871		2088
1872	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1873	utf8::encode $uniq;	2090	utf8::encode $uniq;
1874	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1875	$self->clear_unique_items;	2093	$self->clear_unique_items;
1876	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1877	}	2097	}
1878	}	2098	}
		2099
		2100	$f->resolve_delayed_derefs;
1879		2101
1880	cf::cede_to_tick;	2102	cf::cede_to_tick;
1881	# now do the right thing for maps	2103	# now do the right thing for maps
1882	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1883	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
…		…
1895	}	2117	}
1896		2118
1897	$self->{last_save} = $cf::RUNTIME;	2119	$self->{last_save} = $cf::RUNTIME;
1898	$self->last_access ($cf::RUNTIME);	2120	$self->last_access ($cf::RUNTIME);
1899		2121
1900	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1901	}	2123	}
1902		2124
1903	$self->post_load;	2125	$self->post_load;
1904	}	2126	}
1905		2127
…		…
1963	my ($path, $origin, $load) = @_;	2185	my ($path, $origin, $load) = @_;
1964		2186
1965	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1966		2188
1967	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1969	}	2191	}
1970		2192
1971	$MAP_PREFETCH{$path} |= $load;	2193	$MAP_PREFETCH{$path} |= $load;
1972		2194
1973	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1974	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1975	while (my ($k, $v) = each %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1976	if (my $map = find $k) {	2200	if (my $map = find $k) {
1977	$map->load if $v;	2201	$map->load if $v;
1978	}	2202	}
…		…
2004	return if $self->{deny_save};	2228	return if $self->{deny_save};
2005		2229
2006	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
2007		2231
2008	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
2009	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
2010	};	2235	};
		2236
		2237	cf::get_slot 0.02;
2011		2238
2012	if ($uniq) {	2239	if ($uniq) {
2013	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2014	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2015	} else {	2242	} else {
…		…
2024	$self->save;	2251	$self->save;
2025		2252
2026	my $lock = cf::lock_acquire "map_data:$self->{path}";	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
2027		2254
2028	return if $self->players;	2255	return if $self->players;
2029	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
2030	return if $self->{deny_save};	2257	return if $self->{deny_save};
2031		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
2032	$self->clear;	2263	$self->clear;
2033	$self->in_memory (cf::MAP_SWAPPED);
2034	}	2264	}
2035		2265
2036	sub reset_at {	2266	sub reset_at {
2037	my ($self) = @_;	2267	my ($self) = @_;
2038		2268
…		…
2070	if $uniq;	2300	if $uniq;
2071	}	2301	}
2072		2302
2073	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
2074		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
2075	$self->clear;	2307	$self->clear;
2076
2077	$_->clear_links_to ($self) for values %cf::MAP;
2078		2308
2079	$self->unlink_save;	2309	$self->unlink_save;
2080	$self->destroy;	2310	$self->destroy;
2081	}	2311	}
2082		2312
2083	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
2084		2314
2085	sub nuke {	2315	sub nuke {
2086	my ($self) = @_;	2316	my ($self) = @_;
2087		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
2088	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
2089		2322
2090	$self->unlink_save;	2323	$self->unlink_save;
2091		2324
2092	bless $self, "cf::map";	2325	bless $self, "cf::map";
2093	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
2094	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
2095	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
2096	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2097		2330
2098	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
2099		2333
2100	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
2101	}	2335	}
2102		2336
2103	=item $maps = cf::map::tmp_maps	2337	=item $maps = cf::map::tmp_maps
…		…
2145		2379
2146	sub unique_maps() {	2380	sub unique_maps() {
2147	[	2381	[
2148	map {	2382	map {
2149	utf8::decode $_;	2383	utf8::decode $_;
2150	/\.map$/	2384	s/\.map$//; # TODO future compatibility hack
		2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2386	? ()
2151	? normalise $_	2387	: normalise $_
2152	: ()
2153	} @{ aio_readdir $UNIQUEDIR or [] }	2388	} @{ aio_readdir $UNIQUEDIR or [] }
2154	]	2389	]
2155	}	2390	}
2156		2391
2157	package cf;
2158
2159	=back	2392	=back
2160		2393
2161	=head3 cf::object	2394	=head3 cf::object
2162		2395
2163	=cut	2396	=cut
…		…
2166		2399
2167	=over 4	2400	=over 4
2168		2401
2169	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
2170		2403
2171	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.
2172		2406
2173	=cut	2407	=cut
2174		2408
2175	sub inv_recursive_;	2409	sub inv_recursive_;
2176	sub inv_recursive_ {	2410	sub inv_recursive_ {
2177	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
2178	}	2412	}
2179		2413
2180	sub inv_recursive {	2414	sub inv_recursive {
2181	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	}
2182	}	2444	}
2183		2445
2184	package cf;	2446	package cf;
2185		2447
2186	=back	2448	=back
…		…
2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2347		2609
2348	$self->enter_link;	2610	$self->enter_link;
2349		2611
2350	(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
2351	my $map = eval {	2634	my $map = eval {
2352	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
2353		2636
2354	if ($map) {	2637	if ($map) {
2355	$map = $map->customise_for ($self);	2638	$map = $map->customise_for ($self);
2356	$map = $check->($map) if $check && $map;	2639	$map = $check->($map) if $check && $map;
2357	} else {	2640	} else {
2358	$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);
2359	}	2642	}
2360		2643
2361	$map	2644	$map
2362	};	2645	};
2363		2646
…		…
2416	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2417	}	2700	}
2418		2701
2419	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2420		2703
2421	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2422	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2423	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2424		2707
2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2426	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2453	# if exit is damned, update players death & WoR home-position	2736	# if exit is damned, update players death & WoR home-position
2454	$self->contr->savebed ($slaying, $hp, $sp)	2737	$self->contr->savebed ($slaying, $hp, $sp)
2455	if $exit->flag (FLAG_DAMNED);	2738	if $exit->flag (FLAG_DAMNED);
2456		2739
2457	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2458	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2459	unless (eval {	2744	unless (eval {
2460	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2461		2746
2462	1;	2747	1;
…		…
2497	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
2498	the message unless the client supports the msg packet.	2783	the message unless the client supports the msg packet.
2499		2784
2500	=cut	2785	=cut
2501		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		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	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	);
		2844
2502	sub cf::client::send_msg {	2845	sub cf::client::send_msg {
2503	my ($self, $channel, $msg, $color, @extra) = @_;	2846	my ($self, $channel, $msg, $color, @extra) = @_;
2504		2847
2505	$msg = $self->pl->expand_cfpod ($msg);	2848	$msg = $self->pl->expand_cfpod ($msg);
2506		2849
2507	$color &= cf::NDI_CLIENT_MASK; # just in case...	2850	$color &= cf::NDI_CLIENT_MASK; # just in case...
2508		2851
		2852	# check predefined channels, for the benefit of C
		2853	if ($CHANNEL{$channel}) {
		2854	$channel = $CHANNEL{$channel};
		2855
		2856	$self->ext_msg (channel_info => $channel)
		2857	if $self->can_msg;
		2858
		2859	$channel = $channel->{id};
		2860
2509	if (ref $channel) {	2861	} elsif (ref $channel) {
2510	# send meta info to client, if not yet sent	2862	# send meta info to client, if not yet sent
2511	unless (exists $self->{channel}{$channel->{id}}) {	2863	unless (exists $self->{channel}{$channel->{id}}) {
2512	$self->{channel}{$channel->{id}} = $channel;	2864	$self->{channel}{$channel->{id}} = $channel;
2513	$self->ext_msg (channel_info => $channel);	2865	$self->ext_msg (channel_info => $channel)
		2866	if $self->can_msg;
2514	}	2867	}
2515		2868
2516	$channel = $channel->{id};	2869	$channel = $channel->{id};
2517	}	2870	}
2518		2871
…		…
2730	=pod	3083	=pod
2731		3084
2732	The following functions and methods are available within a safe environment:	3085	The following functions and methods are available within a safe environment:
2733		3086
2734	cf::object	3087	cf::object
2735	contr pay_amount pay_player map x y force_find force_add	3088	contr pay_amount pay_player map x y force_find force_add destroy
2736	insert remove name archname title slaying race decrease_ob_nr	3089	insert remove name archname title slaying race decrease split
2737		3090
2738	cf::object::player	3091	cf::object::player
2739	player	3092	player
2740		3093
2741	cf::player	3094	cf::player
…		…
2747	=cut	3100	=cut
2748		3101
2749	for (	3102	for (
2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3103	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2751	insert remove inv name archname title slaying race	3104	insert remove inv name archname title slaying race
2752	decrease_ob_nr)],	3105	decrease split destroy)],
2753	["cf::object::player" => qw(player)],	3106	["cf::object::player" => qw(player)],
2754	["cf::player" => qw(peaceful)],	3107	["cf::player" => qw(peaceful)],
2755	["cf::map" => qw(trigger)],	3108	["cf::map" => qw(trigger)],
2756	) {	3109	) {
2757	no strict 'refs';	3110	no strict 'refs';
…		…
2833	# the server's init and main functions	3186	# the server's init and main functions
2834		3187
2835	sub load_facedata($) {	3188	sub load_facedata($) {
2836	my ($path) = @_;	3189	my ($path) = @_;
2837		3190
		3191	# HACK to clear player env face cache, we need some signal framework
		3192	# for this (global event?)
		3193	%ext::player_env::MUSIC_FACE_CACHE = ();
		3194
2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3195	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2839		3196
2840	warn "loading facedata from $path\n";	3197	warn "loading facedata from $path\n";
2841		3198
2842	my $facedata;	3199	my $facedata;
…		…
2858	{	3215	{
2859	my $faces = $facedata->{faceinfo};	3216	my $faces = $facedata->{faceinfo};
2860		3217
2861	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3219	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3220
2863	cf::face::set_visibility $idx, $info->{visibility};	3221	cf::face::set_visibility $idx, $info->{visibility};
2864	cf::face::set_magicmap $idx, $info->{magicmap};	3222	cf::face::set_magicmap $idx, $info->{magicmap};
2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3223	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3224	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2867		3225
2868	cf::cede_to_tick;	3226	cf::cede_to_tick;
2869	}	3227	}
2870		3228
2871	while (my ($face, $info) = each %$faces) {	3229	while (my ($face, $info) = each %$faces) {
2872	next unless $info->{smooth};	3230	next unless $info->{smooth};
		3231
2873	my $idx = cf::face::find $face	3232	my $idx = cf::face::find $face
2874	or next;	3233	or next;
		3234
2875	if (my $smooth = cf::face::find $info->{smooth}) {	3235	if (my $smooth = cf::face::find $info->{smooth}) {
2876	cf::face::set_smooth $idx, $smooth;	3236	cf::face::set_smooth $idx, $smooth;
2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3237	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2878	} else {	3238	} else {
2879	warn "smooth face '$info->{smooth}' not found for face '$face'";	3239	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2897	{	3257	{
2898	# TODO: for gcfclient pleasure, we should give resources	3258	# TODO: for gcfclient pleasure, we should give resources
2899	# that gcfclient doesn't grok a >10000 face index.	3259	# that gcfclient doesn't grok a >10000 face index.
2900	my $res = $facedata->{resource};	3260	my $res = $facedata->{resource};
2901		3261
2902	my $soundconf = delete $res->{"res/sound.conf"};
2903
2904	while (my ($name, $info) = each %$res) {	3262	while (my ($name, $info) = each %$res) {
		3263	if (defined $info->{type}) {
2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3264	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2906	my $data;	3265	my $data;
2907		3266
2908	if ($info->{type} & 1) {	3267	if ($info->{type} & 1) {
2909	# prepend meta info	3268	# prepend meta info
2910		3269
2911	my $meta = $enc->encode ({	3270	my $meta = $enc->encode ({
2912	name => $name,	3271	name => $name,
2913	%{ $info->{meta} || {} },	3272	%{ $info->{meta} || {} },
2914	});	3273	});
2915		3274
2916	$data = pack "(w/a*)*", $meta, $info->{data};	3275	$data = pack "(w/a*)*", $meta, $info->{data};
		3276	} else {
		3277	$data = $info->{data};
		3278	}
		3279
		3280	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3281	cf::face::set_type $idx, $info->{type};
2917	} else {	3282	} else {
2918	$data = $info->{data};	3283	$RESOURCE{$name} = $info;
2919	}	3284	}
2920		3285
2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2922	cf::face::set_type $idx, $info->{type};
2923
2924	cf::cede_to_tick;	3286	cf::cede_to_tick;
2925	}	3287	}
2926
2927	if ($soundconf) {
2928	$soundconf = $enc->decode (delete $soundconf->{data});
2929
2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2931	my $sound = $soundconf->{compat}[$_]
2932	or next;
2933
2934	my $face = cf::face::find "sound/$sound->[1]";
2935	cf::sound::set $sound->[0] => $face;
2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2937	}
2938
2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
2940	my $face = cf::face::find "sound/$v";
2941	cf::sound::set $k => $face;
2942	}
2943	}
2944	}	3288	}
		3289
		3290	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2945		3291
2946	1	3292	1
2947	}	3293	}
		3294
		3295	cf::global->attach (on_resource_update => sub {
		3296	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3297	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3298
		3299	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3300	my $sound = $soundconf->{compat}[$_]
		3301	or next;
		3302
		3303	my $face = cf::face::find "sound/$sound->[1]";
		3304	cf::sound::set $sound->[0] => $face;
		3305	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3306	}
		3307
		3308	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3309	my $face = cf::face::find "sound/$v";
		3310	cf::sound::set $k => $face;
		3311	}
		3312	}
		3313	});
2948		3314
2949	register_exticmd fx_want => sub {	3315	register_exticmd fx_want => sub {
2950	my ($ns, $want) = @_;	3316	my ($ns, $want) = @_;
2951		3317
2952	while (my ($k, $v) = each %$want) {	3318	while (my ($k, $v) = each %$want) {
2953	$ns->fx_want ($k, $v);	3319	$ns->fx_want ($k, $v);
2954	}	3320	}
2955	};	3321	};
2956		3322
		3323	sub load_resource_file($) {
		3324	my $guard = lock_acquire "load_resource_file";
		3325
		3326	my $status = load_resource_file_ $_[0];
		3327	get_slot 0.1, 100;
		3328	cf::arch::commit_load;
		3329
		3330	$status
		3331	}
		3332
2957	sub reload_regions {	3333	sub reload_regions {
		3334	# HACK to clear player env face cache, we need some signal framework
		3335	# for this (global event?)
		3336	%ext::player_env::MUSIC_FACE_CACHE = ();
		3337
2958	load_resource_file "$MAPDIR/regions"	3338	load_resource_file "$MAPDIR/regions"
2959	or die "unable to load regions file\n";	3339	or die "unable to load regions file\n";
2960		3340
2961	for (cf::region::list) {	3341	for (cf::region::list) {
2962	$_->{match} = qr/$_->{match}/	3342	$_->{match} = qr/$_->{match}/
…		…
2970	}	3350	}
2971		3351
2972	sub reload_archetypes {	3352	sub reload_archetypes {
2973	load_resource_file "$DATADIR/archetypes"	3353	load_resource_file "$DATADIR/archetypes"
2974	or die "unable to load archetypes\n";	3354	or die "unable to load archetypes\n";
2975	#d# NEED to laod twice to resolve forward references
2976	# this really needs to be done in an extra post-pass
2977	# (which needs to be synchronous, so solve it differently)
2978	load_resource_file "$DATADIR/archetypes"
2979	or die "unable to load archetypes\n";
2980	}	3355	}
2981		3356
2982	sub reload_treasures {	3357	sub reload_treasures {
2983	load_resource_file "$DATADIR/treasures"	3358	load_resource_file "$DATADIR/treasures"
2984	or die "unable to load treasurelists\n";	3359	or die "unable to load treasurelists\n";
2985	}	3360	}
2986		3361
2987	sub reload_resources {	3362	sub reload_resources {
2988	warn "reloading resource files...\n";	3363	warn "reloading resource files...\n";
2989		3364
		3365	reload_facedata;
		3366	reload_archetypes;
2990	reload_regions;	3367	reload_regions;
2991	reload_facedata;
2992	#reload_archetypes;#d#
2993	reload_archetypes;
2994	reload_treasures;	3368	reload_treasures;
2995		3369
2996	warn "finished reloading resource files\n";	3370	warn "finished reloading resource files\n";
2997	}	3371	}
2998		3372
2999	sub init {	3373	sub init {
		3374	my $guard = freeze_mainloop;
		3375
3000	reload_resources;	3376	reload_resources;
3001	}	3377	}
3002		3378
3003	sub reload_config {	3379	sub reload_config {
3004	open my $fh, "<:utf8", "$CONFDIR/config"	3380	open my $fh, "<:utf8", "$CONFDIR/config"
3005	or return;	3381	or return;
3006		3382
3007	local $/;	3383	local $/;
3008	*CFG = YAML::Syck::Load <$fh>;	3384	*CFG = YAML::Load <$fh>;
3009		3385
3010	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3386	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3011		3387
3012	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3388	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3013	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3389	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3024	sub main {	3400	sub main {
3025	# we must not ever block the main coroutine	3401	# we must not ever block the main coroutine
3026	local $Coro::idle = sub {	3402	local $Coro::idle = sub {
3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3403	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3028	(async {	3404	(async {
3029	Event::one_event;	3405	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3406	EV::loop EV::LOOP_ONESHOT;
3030	})->prio (Coro::PRIO_MAX);	3407	})->prio (Coro::PRIO_MAX);
3031	};	3408	};
3032		3409
		3410	{
		3411	my $guard = freeze_mainloop;
3033	reload_config;	3412	reload_config;
3034	db_init;	3413	db_init;
3035	load_extensions;	3414	load_extensions;
3036		3415
3037	$TICK_WATCHER->start;	3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417	evthread_start IO::AIO::poll_fileno;
		3418	}
		3419
3038	Event::loop;	3420	EV::loop;
3039	}	3421	}
3040		3422
3041	#############################################################################	3423	#############################################################################
3042	# initialisation and cleanup	3424	# initialisation and cleanup
3043		3425
3044	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
3045	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
3046	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
3047	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3048	reentrant => 0,
3049	data => WF_AUTOCANCEL,
3050	signal => $signal,
3051	prio => 0,
3052	cb => sub {
3053	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
3054	},
3055	);	3432	};
3056	}	3433	}
3057	}	3434	}
3058		3435
3059	sub write_runtime {	3436	sub write_runtime_sync {
3060	my $runtime = "$LOCALDIR/runtime";	3437	my $runtime = "$LOCALDIR/runtime";
3061		3438
3062	# first touch the runtime file to show we are still running:	3439	# first touch the runtime file to show we are still running:
3063	# the fsync below can take a very very long time.	3440	# the fsync below can take a very very long time.
3064		3441
…		…
3090	and return;	3467	and return;
3091		3468
3092	warn "runtime file written.\n";	3469	warn "runtime file written.\n";
3093		3470
3094	1	3471	1
		3472	}
		3473
		3474	our $uuid_lock;
		3475	our $uuid_skip;
		3476
		3477	sub write_uuid_sync($) {
		3478	$uuid_skip ||= $_[0];
		3479
		3480	return if $uuid_lock;
		3481	local $uuid_lock = 1;
		3482
		3483	my $uuid = "$LOCALDIR/uuid";
		3484
		3485	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3486	or return;
		3487
		3488	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3489	$uuid_skip = 0;
		3490
		3491	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3492	and return;
		3493
		3494	# always fsync - this file is important
		3495	aio_fsync $fh
		3496	and return;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$uuid~", $uuid
		3502	and return;
		3503
		3504	warn "uuid file written ($value).\n";
		3505
		3506	1
		3507
		3508	}
		3509
		3510	sub write_uuid($$) {
		3511	my ($skip, $sync) = @_;
		3512
		3513	$sync ? write_uuid_sync $skip
		3514	: async { write_uuid_sync $skip };
3095	}	3515	}
3096		3516
3097	sub emergency_save() {	3517	sub emergency_save() {
3098	my $freeze_guard = cf::freeze_mainloop;	3518	my $freeze_guard = cf::freeze_mainloop;
3099		3519
…		…
3105	# and maps saved/destroyed asynchronously.	3525	# and maps saved/destroyed asynchronously.
3106	warn "begin emergency player save\n";	3526	warn "begin emergency player save\n";
3107	for my $login (keys %cf::PLAYER) {	3527	for my $login (keys %cf::PLAYER) {
3108	my $pl = $cf::PLAYER{$login} or next;	3528	my $pl = $cf::PLAYER{$login} or next;
3109	$pl->valid or next;	3529	$pl->valid or next;
		3530	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3110	$pl->save;	3531	$pl->save;
3111	}	3532	}
3112	warn "end emergency player save\n";	3533	warn "end emergency player save\n";
3113		3534
3114	warn "begin emergency map save\n";	3535	warn "begin emergency map save\n";
…		…
3120	warn "end emergency map save\n";	3541	warn "end emergency map save\n";
3121		3542
3122	warn "begin emergency database checkpoint\n";	3543	warn "begin emergency database checkpoint\n";
3123	BDB::db_env_txn_checkpoint $DB_ENV;	3544	BDB::db_env_txn_checkpoint $DB_ENV;
3124	warn "end emergency database checkpoint\n";	3545	warn "end emergency database checkpoint\n";
		3546
		3547	warn "begin write uuid\n";
		3548	write_uuid_sync 1;
		3549	warn "end write uuid\n";
3125	};	3550	};
3126		3551
3127	warn "leave emergency perl save\n";	3552	warn "leave emergency perl save\n";
3128	}	3553	}
3129		3554
…		…
3144	warn "reloading...";	3569	warn "reloading...";
3145		3570
3146	warn "entering sync_job";	3571	warn "entering sync_job";
3147		3572
3148	cf::sync_job {	3573	cf::sync_job {
3149	cf::write_runtime; # external watchdog should not bark	3574	cf::write_runtime_sync; # external watchdog should not bark
3150	cf::emergency_save;	3575	cf::emergency_save;
3151	cf::write_runtime; # external watchdog should not bark	3576	cf::write_runtime_sync; # external watchdog should not bark
3152		3577
3153	warn "syncing database to disk";	3578	warn "syncing database to disk";
3154	BDB::db_env_txn_checkpoint $DB_ENV;	3579	BDB::db_env_txn_checkpoint $DB_ENV;
3155		3580
3156	# if anything goes wrong in here, we should simply crash as we already saved	3581	# if anything goes wrong in here, we should simply crash as we already saved
3157
3158	warn "cancelling all WF_AUTOCANCEL watchers";
3159	for (Event::all_watchers) {
3160	$_->cancel if $_->data & WF_AUTOCANCEL;
3161	}
3162		3582
3163	warn "flushing outstanding aio requests";	3583	warn "flushing outstanding aio requests";
3164	for (;;) {	3584	for (;;) {
3165	BDB::flush;	3585	BDB::flush;
3166	IO::AIO::flush;	3586	IO::AIO::flush;
3167	Coro::cede;	3587	Coro::cede_notself;
3168	last unless IO::AIO::nreqs || BDB::nreqs;	3588	last unless IO::AIO::nreqs || BDB::nreqs;
3169	warn "iterate...";	3589	warn "iterate...";
3170	}	3590	}
3171		3591
3172	++$RELOAD;	3592	++$RELOAD;
…		…
3248	warn "leaving sync_job";	3668	warn "leaving sync_job";
3249		3669
3250	1	3670	1
3251	} or do {	3671	} or do {
3252	warn $@;	3672	warn $@;
3253	warn "error while reloading, exiting.";	3673	cf::cleanup "error while reloading, exiting.";
3254	exit 1;
3255	};	3674	};
3256		3675
3257	warn "reloaded";	3676	warn "reloaded";
3258	};	3677	};
3259		3678
…		…
3261		3680
3262	sub reload_perl() {	3681	sub reload_perl() {
3263	# doing reload synchronously and two reloads happen back-to-back,	3682	# doing reload synchronously and two reloads happen back-to-back,
3264	# coro crashes during coro_state_free->destroy here.	3683	# coro crashes during coro_state_free->destroy here.
3265		3684
3266	$RELOAD_WATCHER ||= Event->timer (	3685	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3267	reentrant => 0,
3268	after => 0,
3269	data => WF_AUTOCANCEL,
3270	cb => sub {
3271	do_reload_perl;	3686	do_reload_perl;
3272	undef $RELOAD_WATCHER;	3687	undef $RELOAD_WATCHER;
3273	},
3274	);	3688	};
3275	}	3689	}
3276		3690
3277	register_command "reload" => sub {	3691	register_command "reload" => sub {
3278	my ($who, $arg) = @_;	3692	my ($who, $arg) = @_;
3279		3693
3280	if ($who->flag (FLAG_WIZ)) {	3694	if ($who->flag (FLAG_WIZ)) {
3281	$who->message ("reloading server.");	3695	$who->message ("reloading server.");
		3696	async {
		3697	$Coro::current->{desc} = "perl_reload";
3282	async { reload_perl };	3698	reload_perl;
		3699	};
3283	}	3700	}
3284	};	3701	};
3285		3702
3286	unshift @INC, $LIBDIR;	3703	unshift @INC, $LIBDIR;
3287		3704
…		…
3289		3706
3290	our @WAIT_FOR_TICK;	3707	our @WAIT_FOR_TICK;
3291	our @WAIT_FOR_TICK_BEGIN;	3708	our @WAIT_FOR_TICK_BEGIN;
3292		3709
3293	sub wait_for_tick {	3710	sub wait_for_tick {
3294	return unless $TICK_WATCHER->is_active;
3295	return if $Coro::current == $Coro::main;	3711	return if tick_inhibit || $Coro::current == $Coro::main;
3296		3712
3297	my $signal = new Coro::Signal;	3713	my $signal = new Coro::Signal;
3298	push @WAIT_FOR_TICK, $signal;	3714	push @WAIT_FOR_TICK, $signal;
3299	$signal->wait;	3715	$signal->wait;
3300	}	3716	}
3301		3717
3302	sub wait_for_tick_begin {	3718	sub wait_for_tick_begin {
3303	return unless $TICK_WATCHER->is_active;
3304	return if $Coro::current == $Coro::main;	3719	return if tick_inhibit || $Coro::current == $Coro::main;
3305		3720
3306	my $signal = new Coro::Signal;	3721	my $signal = new Coro::Signal;
3307	push @WAIT_FOR_TICK_BEGIN, $signal;	3722	push @WAIT_FOR_TICK_BEGIN, $signal;
3308	$signal->wait;	3723	$signal->wait;
3309	}	3724	}
3310		3725
3311	my $min = 1e6;#d#	3726	sub tick {
3312	my $avg = 10;
3313	$TICK_WATCHER = Event->timer (
3314	reentrant => 0,
3315	parked => 1,
3316	prio => 0,
3317	at => $NEXT_TICK || $TICK,
3318	data => WF_AUTOCANCEL,
3319	cb => sub {
3320	if ($Coro::current != $Coro::main) {	3727	if ($Coro::current != $Coro::main) {
3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3728	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3322	unless ++$bug_warning > 10;	3729	unless ++$bug_warning > 10;
3323	return;	3730	return;
3324	}	3731	}
3325		3732
3326	$NOW = $tick_start = Event::time;
3327
3328	cf::server_tick; # one server iteration	3733	cf::server_tick; # one server iteration
3329		3734
3330	0 && sync_job {#d#	3735	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3331	for(1..10) {	3736	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3332	my $t = Event::time;	3737	Coro::async_pool {
3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3738	$Coro::current->{desc} = "runtime saver";
3334	or die;	3739	write_runtime_sync
3335		3740	or warn "ERROR: unable to write runtime file: $!";
3336	$map->width (50);
3337	$map->height (50);
3338	$map->alloc;
3339	$map->_load_objects ("/tmp/x.map", 1);
3340	my $t = Event::time - $t;
3341
3342	#next unless $t < 0.0013;#d#
3343	if ($t < $min) {
3344	$min = $t;
3345	}
3346	$avg = $avg * 0.99 + $t * 0.01;
3347	}
3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3349	exit 0;
3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3351	};	3741	};
		3742	}
3352		3743
3353	$RUNTIME += $TICK;
3354	$NEXT_TICK += $TICK;
3355
3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
3358	Coro::async_pool {
3359	write_runtime
3360	or warn "ERROR: unable to write runtime file: $!";
3361	};
3362	}
3363
3364	# my $AFTER = Event::time;
3365	# warn $AFTER - $NOW;#d#
3366
3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3744	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3368	$sig->send;	3745	$sig->send;
3369	}	3746	}
3370	while (my $sig = shift @WAIT_FOR_TICK) {	3747	while (my $sig = shift @WAIT_FOR_TICK) {
3371	$sig->send;	3748	$sig->send;
3372	}	3749	}
3373		3750
3374	$NOW = Event::time;	3751	$LOAD = ($NOW - $TICK_START) / $TICK;
3375
3376	# if we are delayed by four ticks or more, skip them all
3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3378
3379	$TICK_WATCHER->at ($NEXT_TICK);
3380	$TICK_WATCHER->start;
3381
3382	$LOAD = ($NOW - $tick_start) / $TICK;
3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3752	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3384		3753
3385	_post_tick;	3754	if (0) {
3386		3755	if ($NEXT_TICK) {
3387		3756	my $jitter = $TICK_START - $NEXT_TICK;
		3757	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3758	warn "jitter $JITTER\n";#d#
		3759	}
3388	},	3760	}
3389	);	3761	}
3390		3762
3391	{	3763	{
3392	BDB::max_poll_time $TICK * 0.1;	3764	# configure BDB
3393	$BDB_POLL_WATCHER = Event->io (	3765
3394	reentrant => 0,
3395	fd => BDB::poll_fileno,
3396	poll => 'r',
3397	prio => 0,
3398	data => WF_AUTOCANCEL,
3399	cb => \&BDB::poll_cb,
3400	);
3401	BDB::min_parallel 8;	3766	BDB::min_parallel 8;
3402		3767	BDB::max_poll_reqs $TICK * 0.1;
3403	BDB::set_sync_prepare {	3768	$Coro::BDB::WATCHER->priority (1);
3404	my $status;
3405	my $current = $Coro::current;
3406	(
3407	sub {
3408	$status = $!;
3409	$current->ready; undef $current;
3410	},
3411	sub {
3412	Coro::schedule while defined $current;
3413	$! = $status;
3414	},
3415	)
3416	};
3417		3769
3418	unless ($DB_ENV) {	3770	unless ($DB_ENV) {
3419	$DB_ENV = BDB::db_env_create;	3771	$DB_ENV = BDB::db_env_create;
		3772	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3773	| BDB::LOG_AUTOREMOVE, 1);
		3774	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3775	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3420		3776
3421	cf::sync_job {	3777	cf::sync_job {
3422	eval {	3778	eval {
3423	BDB::db_env_open	3779	BDB::db_env_open
3424	$DB_ENV,	3780	$DB_ENV,
…		…
3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3782	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3783	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3428	0666;	3784	0666;
3429		3785
3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3786	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3431
3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3433	$DB_ENV->set_lk_detect;
3434	};	3787	};
3435		3788
3436	cf::cleanup "db_env_open(db): $@" if $@;	3789	cf::cleanup "db_env_open(db): $@" if $@;
3437	};	3790	};
3438	}	3791	}
		3792
		3793	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3794	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3795	};
		3796	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3797	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3798	};
		3799	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3800	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3801	};
3439	}	3802	}
3440		3803
3441	{	3804	{
		3805	# configure IO::AIO
		3806
3442	IO::AIO::min_parallel 8;	3807	IO::AIO::min_parallel 8;
3443
3444	undef $Coro::AIO::WATCHER;
3445	IO::AIO::max_poll_time $TICK * 0.1;	3808	IO::AIO::max_poll_time $TICK * 0.1;
3446	$AIO_POLL_WATCHER = Event->io (	3809	$Coro::AIO::WATCHER->priority (1);
3447	reentrant => 0,
3448	data => WF_AUTOCANCEL,
3449	fd => IO::AIO::poll_fileno,
3450	poll => 'r',
3451	prio => 6,
3452	cb => \&IO::AIO::poll_cb,
3453	);
3454	}	3810	}
3455		3811
3456	my $_log_backtrace;	3812	my $_log_backtrace;
3457		3813
3458	sub _log_backtrace {	3814	sub _log_backtrace {
…		…
3462		3818
3463	# limit the # of concurrent backtraces	3819	# limit the # of concurrent backtraces
3464	if ($_log_backtrace < 2) {	3820	if ($_log_backtrace < 2) {
3465	++$_log_backtrace;	3821	++$_log_backtrace;
3466	async {	3822	async {
		3823	$Coro::current->{desc} = "abt $msg";
		3824
3467	my @bt = fork_call {	3825	my @bt = fork_call {
3468	@addr = map { sprintf "%x", $_ } @addr;	3826	@addr = map { sprintf "%x", $_ } @addr;
3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3827	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3828	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3471	or die "addr2line: $!";	3829	or die "addr2line: $!";

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