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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 1.418 by root, Fri Apr 11 21:09:53 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	}
…		…
391		450
392	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
393		452
394	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
395		454
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	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	456	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	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	458	acceptable.
400		459
401	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
402	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
…		…
407		466
408	sub sync_job(&) {	467	sub sync_job(&) {
409	my ($job) = @_;	468	my ($job) = @_;
410		469
411	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	471	my $time = EV::time;
413		472
414	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
416		475
417	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	477
419	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
420		479
421	my $busy = 1;	480	my $busy = 1;
422	my @res;	481	my @res;
423		482
424	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	485	@res = eval { $job->() };
426	warn $@ if $@;	486	warn $@ if $@;
427	undef $busy;	487	undef $busy;
428	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
429		489
430	while ($busy) {	490	while ($busy) {
431	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
432	}	495	}
		496	}
433		497
434	$time = Event::time - $time;	498	my $time = EV::time - $time;
435		499
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	500	$TICK_START += $time; # do not account sync jobs to server load
440		501
441	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
442	} else {	503	} else {
443	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
444		505
…		…
469	=item fork_call { }, $args	530	=item fork_call { }, $args
470		531
471	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
472	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
473	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
474	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
475		536
476	=cut	537	=cut
477		538
478	sub fork_call(&@) {	539	sub fork_call(&@) {
479	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
480		541
481	# 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,
482	# otherwise perl prematurely frees the stuff :/	543	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	544	# TODO: investigate and fix (likely this will be rather laborious)
484		545
485	my @res = Coro::Util::fork_eval {	546	my @res = Coro::Util::fork_eval {
486	reset_signals;	547	reset_signals;
487	&$cb	548	&$cb
488	}, @args;	549	}, @args;
489		550
490	wantarray ? @res : $res[-1]	551	wantarray ? @res : $res[-1]
491	}	552	}
492		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
493	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
494		582
495	Returns a single value from the environment database.	583	Returns a single value from the environment database.
496		584
497	=item cf::db_put $family => $key => $value	585	=item cf::db_put $family => $key => $value
498		586
499	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
500	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).
501		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
502	=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	}
503		613
504	our $DB;	614	our $DB;
505		615
506	sub db_init {	616	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	617	cf::sync_job {
511	eval {	618	$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	}	619	};
521	}	620	}
522		621
523	sub db_get($$) {	622	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	623	my $key = "$_[0]/$_[1]";
525		624
…		…
629	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
631		730
632	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	733	Deliantra).
635		734
636	=over 4	735	=over 4
637		736
638	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
639		738
…		…
921	}	1020	}
922		1021
923	0	1022	0
924	}	1023	}
925		1024
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1026
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1028
930	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
931		1030
…		…
937		1036
938	=cut	1037	=cut
939		1038
940	#############################################################################	1039	#############################################################################
941	# object support	1040	# object support
942	#
943		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
944	sub _can_merge {	1075	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1076	my ($ob1, $ob2) = @_;
946		1077
947	local $Storable::canonical = 1;	1078	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1079
951	$fob1 eq $fob2	1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
952	}	1082	}
953		1083
954	sub reattach {	1084	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1086	my ($obj) = @_;
…		…
978	cf::attachable->attach (	1108	cf::attachable->attach (
979	prio => -1000000,	1109	prio => -1000000,
980	on_instantiate => sub {	1110	on_instantiate => sub {
981	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
982		1112
983	$data = from_json $data;	1113	$data = decode_json $data;
984		1114
985	for (@$data) {	1115	for (@$data) {
986	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
987		1117
988	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1134	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
1006		1136
1007	sync_job {	1137	sync_job {
1008	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
1011		1142
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
1016	close $fh;	1147	close $fh;
1017		1148
1018	if (@$objs) {	1149	if (@$objs) {
1019	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) {
1020	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
1024	close $fh;	1155	close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1157	}
…		…
1034	}	1165	}
1035	} else {	1166	} else {
1036	aio_unlink $filename;	1167	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
1038	}	1169	}
1039	}	1170	};
1040	}	1171	}
1041		1172
1042	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
1044		1175
…		…
1056	or return;	1187	or return;
1057		1188
1058	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1191	or return;
		1192
1061	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
1062	}	1195	}
1063		1196
		1197	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
1066	return ($data, $av);	1201	($data, $av)
1067	}	1202	}
1068		1203
1069	=head2 COMMAND CALLBACKS	1204	=head2 COMMAND CALLBACKS
1070		1205
1071	=over 4	1206	=over 4
…		…
1220	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1221	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1222		1357
1223	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1224	warn $msg;	1359	warn $msg;
1225	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1226	exit 1;
1227	}	1361	}
1228		1362
1229	warn $msg;	1363	warn $msg;
1230	}	1364	}
1231		1365
…		…
1256	use Coro::AIO;	1390	use Coro::AIO;
1257		1391
1258	=head3 cf::player	1392	=head3 cf::player
1259		1393
1260	=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	}
1261		1409
1262	=item cf::player::find $login	1410	=item cf::player::find $login
1263		1411
1264	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1265		1413
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1453
1306	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1307	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;
1308	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1309	}	1462	}
1310	}	1463	}
1311	}	1464	}
1312		1465
…		…
1410	or return [];	1563	or return [];
1411		1564
1412	my @logins;	1565	my @logins;
1413		1566
1414	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") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1418		1576
1419	utf8::decode $login;	1577	utf8::decode $login;
1420	push @logins, $login;	1578	push @logins, $login;
1421	}	1579	}
1422		1580
…		…
1455		1613
1456	Expand crossfire pod fragments into protocol xml.	1614	Expand crossfire pod fragments into protocol xml.
1457		1615
1458	=cut	1616	=cut
1459		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
1460	sub expand_cfpod {	1629	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;	1630	my ($self, $pod) = @_;
1462		1631
1463	# escape & and <	1632	my $xml;
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466		1633
1467	# this is buggy, it needs to properly take care of nested <'s	1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
1468		1637
1469	1 while	1638	$group =~ s/&/&amp;/g;
1470	# replace B<>, I<>, U<> etc.	1639	$group =~ s/</&lt;/g;
1471	s/B<([^\>]*)>/<b>$1<\/b>/	1640
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/	1641	$xml .= $group;
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/	1642	} elsif ($pod =~ m%\G
1474	# replace G<male|female> tags	1643	([BCGHITU])
1475	|| s{G<([^>|]*)\|([^>]*)>}{	1644	<
1476	$self->gender ? $2 : $1	1645	(?:
1477	}ge	1646	([^<>]*) (?{ $group = $^N })
1478	# replace H<hint text>	1647	| < $interior >
1479	|| s{H<([^\>]*)>}	1648	)
		1649	>
		1650	%gcsx
1480	{	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") {
1481	("<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>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")	1671	"")
1484	[$self->{hintmode}]	1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
1485	}ge;	1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
1486		1683
		1684	for ($xml) {
1487	# create single paragraphs (very hackish)	1685	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;	1686	s/(?<=\S)\n(?=\w)/ /g;
1489		1687
1490	# compress some whitespace	1688	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends	1689	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines	1690	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines	1691	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines	1692	s/\n+$//; # ending lines
		1693	}
1495		1694
1496	$_	1695	$xml
1497	}	1696	}
		1697
		1698	no re 'eval';
1498		1699
1499	sub hintmode {	1700	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}	1702	$_[0]{hintmode}
1502	}	1703	}
…		…
1574	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1576		1777
1577	sub generate_random_map {	1778	sub generate_random_map {
1578	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
1579	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1580	$self->_create_random_map (	1784	$self->_create_random_map (
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1746		1950
1747	sub load_header_from($) {	1951	sub load_header_from($) {
1748	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1749		1953
1750	utf8::encode $path;	1954	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	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;
1756		1963
1757	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1758		1965
1759	1	1966	1
1760	}	1967	}
…		…
1814	sub find {	2021	sub find {
1815	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1816		2023
1817	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1818		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1820		2028
1821	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1822	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
1823	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1824	or return;	2034	or return;
1825		2035
1826	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1827		2037
…		…
1829	or return;	2039	or return;
1830		2040
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1834	$map->reset;	2046	$map->reset;
1835	undef $guard;
1836	return find $path;	2047	return find $path;
1837	}	2048	}
1838		2049
1839	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1840	}	2051	}
…		…
1849	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1850		2061
1851	my $path = $self->{path};	2062	my $path = $self->{path};
1852		2063
1853	{	2064	{
1854	my $guard1 = cf::lock_acquire "map_data:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1855	my $guard2 = cf::lock_acquire "map_load:$path";
1856		2066
		2067	return unless $self->valid;
1857	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1858		2069
1859	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1860		2071
1861	$self->alloc;	2072	$self->alloc;
1862		2073
1863	$self->pre_load;	2074	$self->pre_load;
1864	cf::cede_to_tick;	2075	cf::cede_to_tick;
1865		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1866	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1867	or return;	2080	or return;
1868		2081
1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1870	if delete $self->{load_original};	2083	if delete $self->{load_original};
1871		2084
1872	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1873	utf8::encode $uniq;	2086	utf8::encode $uniq;
1874	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1875	$self->clear_unique_items;	2089	$self->clear_unique_items;
1876	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1877	}	2093	}
1878	}	2094	}
		2095
		2096	$f->resolve_delayed_derefs;
1879		2097
1880	cf::cede_to_tick;	2098	cf::cede_to_tick;
1881	# now do the right thing for maps	2099	# now do the right thing for maps
1882	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1883	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
…		…
1969	}	2187	}
1970		2188
1971	$MAP_PREFETCH{$path} |= $load;	2189	$MAP_PREFETCH{$path} |= $load;
1972		2190
1973	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1974	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1975	while (my ($k, $v) = each %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1976	if (my $map = find $k) {	2196	if (my $map = find $k) {
1977	$map->load if $v;	2197	$map->load if $v;
1978	}	2198	}
…		…
2004	return if $self->{deny_save};	2224	return if $self->{deny_save};
2005		2225
2006	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
2007		2227
2008	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
2009	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
2010	};	2231	};
2011		2232
2012	if ($uniq) {	2233	if ($uniq) {
2013	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
2027		2248
2028	return if $self->players;	2249	return if $self->players;
2029	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
2030	return if $self->{deny_save};	2251	return if $self->{deny_save};
2031		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
2032	$self->clear;	2257	$self->clear;
2033	$self->in_memory (cf::MAP_SWAPPED);
2034	}	2258	}
2035		2259
2036	sub reset_at {	2260	sub reset_at {
2037	my ($self) = @_;	2261	my ($self) = @_;
2038		2262
…		…
2070	if $uniq;	2294	if $uniq;
2071	}	2295	}
2072		2296
2073	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
2074		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
2075	$self->clear;	2301	$self->clear;
2076
2077	$_->clear_links_to ($self) for values %cf::MAP;
2078		2302
2079	$self->unlink_save;	2303	$self->unlink_save;
2080	$self->destroy;	2304	$self->destroy;
2081	}	2305	}
2082		2306
2083	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
2084		2308
2085	sub nuke {	2309	sub nuke {
2086	my ($self) = @_;	2310	my ($self) = @_;
2087		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
2088	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
2089		2316
2090	$self->unlink_save;	2317	$self->unlink_save;
2091		2318
2092	bless $self, "cf::map";	2319	bless $self, "cf::map";
2093	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
2094	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
2095	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
2096	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2097		2324
2098	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
2099		2327
2100	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
2101	}	2329	}
2102		2330
2103	=item $maps = cf::map::tmp_maps	2331	=item $maps = cf::map::tmp_maps
…		…
2152	: ()	2380	: ()
2153	} @{ aio_readdir $UNIQUEDIR or [] }	2381	} @{ aio_readdir $UNIQUEDIR or [] }
2154	]	2382	]
2155	}	2383	}
2156		2384
2157	package cf;
2158
2159	=back	2385	=back
2160		2386
2161	=head3 cf::object	2387	=head3 cf::object
2162		2388
2163	=cut	2389	=cut
…		…
2177	map { $_, inv_recursive_ $_->inv } @_	2403	map { $_, inv_recursive_ $_->inv } @_
2178	}	2404	}
2179		2405
2180	sub inv_recursive {	2406	sub inv_recursive {
2181	inv_recursive_ inv $_[0]	2407	inv_recursive_ inv $_[0]
		2408	}
		2409
		2410	=item $ref = $ob->ref
		2411
		2412	creates and returns a persistent reference to an objetc that can be stored as a string.
		2413
		2414	=item $ob = cf::object::deref ($refstring)
		2415
		2416	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2417	even if the object actually exists. May block.
		2418
		2419	=cut
		2420
		2421	sub deref {
		2422	my ($ref) = @_;
		2423
		2424	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2425	my ($uuid, $name) = ($1, $2);
		2426	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2427	or return;
		2428	$pl->ob->uuid eq $uuid
		2429	or return;
		2430
		2431	$pl->ob
		2432	} else {
		2433	warn "$ref: cannot resolve object reference\n";
		2434	undef
		2435	}
2182	}	2436	}
2183		2437
2184	package cf;	2438	package cf;
2185		2439
2186	=back	2440	=back
…		…
2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2347		2601
2348	$self->enter_link;	2602	$self->enter_link;
2349		2603
2350	(async {	2604	(async {
		2605	$Coro::current->{desc} = "player::goto $path $x $y";
		2606
		2607	# *tag paths override both path and x|y
		2608	if ($path =~ /^\*(.*)$/) {
		2609	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2610	my $ob = $obs[rand @obs];
		2611
		2612	# see if we actually can go there
		2613	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2614	$ob = $obs[rand @obs];
		2615	} else {
		2616	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
		2618	# else put us there anyways for now #d#
		2619
		2620	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2621	} else {
		2622	($path, $x, $y) = (undef, undef, undef);
		2623	}
		2624	}
		2625
2351	my $map = eval {	2626	my $map = eval {
2352	my $map = cf::map::find $path;	2627	my $map = defined $path ? cf::map::find $path : undef;
2353		2628
2354	if ($map) {	2629	if ($map) {
2355	$map = $map->customise_for ($self);	2630	$map = $map->customise_for ($self);
2356	$map = $check->($map) if $check && $map;	2631	$map = $check->($map) if $check && $map;
2357	} else {	2632	} else {
2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2359	}	2634	}
2360		2635
2361	$map	2636	$map
2362	};	2637	};
2363		2638
…		…
2416	$rmp->{origin_y} = $exit->y;	2691	$rmp->{origin_y} = $exit->y;
2417	}	2692	}
2418		2693
2419	$rmp->{random_seed} ||= $exit->random_seed;	2694	$rmp->{random_seed} ||= $exit->random_seed;
2420		2695
2421	my $data = cf::to_json $rmp;	2696	my $data = cf::encode_json $rmp;
2422	my $md5 = Digest::MD5::md5_hex $data;	2697	my $md5 = Digest::MD5::md5_hex $data;
2423	my $meta = "$RANDOMDIR/$md5.meta";	2698	my $meta = "$RANDOMDIR/$md5.meta";
2424		2699
2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2426	aio_write $fh, 0, (length $data), $data, 0;	2701	aio_write $fh, 0, (length $data), $data, 0;
…		…
2453	# if exit is damned, update players death & WoR home-position	2728	# if exit is damned, update players death & WoR home-position
2454	$self->contr->savebed ($slaying, $hp, $sp)	2729	$self->contr->savebed ($slaying, $hp, $sp)
2455	if $exit->flag (FLAG_DAMNED);	2730	if $exit->flag (FLAG_DAMNED);
2456		2731
2457	(async {	2732	(async {
		2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2734
2458	$self->deactivate_recursive; # just to be sure	2735	$self->deactivate_recursive; # just to be sure
2459	unless (eval {	2736	unless (eval {
2460	$self->goto ($slaying, $hp, $sp);	2737	$self->goto ($slaying, $hp, $sp);
2461		2738
2462	1;	2739	1;
…		…
2497	the message, with C<log> being the default. If C<$color> is negative, suppress	2774	the message, with C<log> being the default. If C<$color> is negative, suppress
2498	the message unless the client supports the msg packet.	2775	the message unless the client supports the msg packet.
2499		2776
2500	=cut	2777	=cut
2501		2778
		2779	# non-persistent channels (usually the info channel)
		2780	our %CHANNEL = (
		2781	"c/identify" => {
		2782	id => "infobox",
		2783	title => "Identify",
		2784	reply => undef,
		2785	tooltip => "Items recently identified",
		2786	},
		2787	"c/examine" => {
		2788	id => "infobox",
		2789	title => "Examine",
		2790	reply => undef,
		2791	tooltip => "Signs and other items you examined",
		2792	},
		2793	"c/book" => {
		2794	id => "infobox",
		2795	title => "Book",
		2796	reply => undef,
		2797	tooltip => "The contents of a note or book",
		2798	},
		2799	"c/lookat" => {
		2800	id => "infobox",
		2801	title => "Look",
		2802	reply => undef,
		2803	tooltip => "What you saw there",
		2804	},
		2805	"c/who" => {
		2806	id => "infobox",
		2807	title => "Players",
		2808	reply => undef,
		2809	tooltip => "Shows players who are currently online",
		2810	},
		2811	"c/body" => {
		2812	id => "infobox",
		2813	title => "Body Parts",
		2814	reply => undef,
		2815	tooltip => "Shows which body parts you posess and are available",
		2816	},
		2817	"c/uptime" => {
		2818	id => "infobox",
		2819	title => "Uptime",
		2820	reply => undef,
		2821	tooltip => "How long the server has been running since last restart",
		2822	},
		2823	"c/mapinfo" => {
		2824	id => "infobox",
		2825	title => "Map Info",
		2826	reply => undef,
		2827	tooltip => "Information related to the maps",
		2828	},
		2829	);
		2830
2502	sub cf::client::send_msg {	2831	sub cf::client::send_msg {
2503	my ($self, $channel, $msg, $color, @extra) = @_;	2832	my ($self, $channel, $msg, $color, @extra) = @_;
2504		2833
2505	$msg = $self->pl->expand_cfpod ($msg);	2834	$msg = $self->pl->expand_cfpod ($msg);
2506		2835
2507	$color &= cf::NDI_CLIENT_MASK; # just in case...	2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
2508		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel)
		2843	if $self->can_msg;
		2844
		2845	$channel = $channel->{id};
		2846
2509	if (ref $channel) {	2847	} elsif (ref $channel) {
2510	# send meta info to client, if not yet sent	2848	# send meta info to client, if not yet sent
2511	unless (exists $self->{channel}{$channel->{id}}) {	2849	unless (exists $self->{channel}{$channel->{id}}) {
2512	$self->{channel}{$channel->{id}} = $channel;	2850	$self->{channel}{$channel->{id}} = $channel;
2513	$self->ext_msg (channel_info => $channel);	2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
2514	}	2853	}
2515		2854
2516	$channel = $channel->{id};	2855	$channel = $channel->{id};
2517	}	2856	}
2518		2857
…		…
2730	=pod	3069	=pod
2731		3070
2732	The following functions and methods are available within a safe environment:	3071	The following functions and methods are available within a safe environment:
2733		3072
2734	cf::object	3073	cf::object
2735	contr pay_amount pay_player map x y force_find force_add	3074	contr pay_amount pay_player map x y force_find force_add destroy
2736	insert remove name archname title slaying race decrease_ob_nr	3075	insert remove name archname title slaying race decrease_ob_nr
2737		3076
2738	cf::object::player	3077	cf::object::player
2739	player	3078	player
2740		3079
…		…
2747	=cut	3086	=cut
2748		3087
2749	for (	3088	for (
2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2751	insert remove inv name archname title slaying race	3090	insert remove inv name archname title slaying race
2752	decrease_ob_nr)],	3091	decrease_ob_nr destroy)],
2753	["cf::object::player" => qw(player)],	3092	["cf::object::player" => qw(player)],
2754	["cf::player" => qw(peaceful)],	3093	["cf::player" => qw(peaceful)],
2755	["cf::map" => qw(trigger)],	3094	["cf::map" => qw(trigger)],
2756	) {	3095	) {
2757	no strict 'refs';	3096	no strict 'refs';
…		…
2833	# the server's init and main functions	3172	# the server's init and main functions
2834		3173
2835	sub load_facedata($) {	3174	sub load_facedata($) {
2836	my ($path) = @_;	3175	my ($path) = @_;
2837		3176
		3177	# HACK to clear player env face cache, we need some signal framework
		3178	# for this (global event?)
		3179	%ext::player_env::MUSIC_FACE_CACHE = ();
		3180
2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2839		3182
2840	warn "loading facedata from $path\n";	3183	warn "loading facedata from $path\n";
2841		3184
2842	my $facedata;	3185	my $facedata;
…		…
2858	{	3201	{
2859	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
2860		3203
2861	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3206
2863	cf::face::set_visibility $idx, $info->{visibility};	3207	cf::face::set_visibility $idx, $info->{visibility};
2864	cf::face::set_magicmap $idx, $info->{magicmap};	3208	cf::face::set_magicmap $idx, $info->{magicmap};
2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3209	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};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2867		3211
2868	cf::cede_to_tick;	3212	cf::cede_to_tick;
2869	}	3213	}
2870		3214
2871	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2872	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
2873	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
2874	or next;	3219	or next;
		3220
2875	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
2876	cf::face::set_smooth $idx, $smooth;	3222	cf::face::set_smooth $idx, $smooth;
2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2878	} else {	3224	} else {
2879	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2897	{	3243	{
2898	# TODO: for gcfclient pleasure, we should give resources	3244	# TODO: for gcfclient pleasure, we should give resources
2899	# that gcfclient doesn't grok a >10000 face index.	3245	# that gcfclient doesn't grok a >10000 face index.
2900	my $res = $facedata->{resource};	3246	my $res = $facedata->{resource};
2901		3247
2902	my $soundconf = delete $res->{"res/sound.conf"};
2903
2904	while (my ($name, $info) = each %$res) {	3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2906	my $data;	3251	my $data;
2907		3252
2908	if ($info->{type} & 1) {	3253	if ($info->{type} & 1) {
2909	# prepend meta info	3254	# prepend meta info
2910		3255
2911	my $meta = $enc->encode ({	3256	my $meta = $enc->encode ({
2912	name => $name,	3257	name => $name,
2913	%{ $info->{meta} || {} },	3258	%{ $info->{meta} || {} },
2914	});	3259	});
2915		3260
2916	$data = pack "(w/a*)*", $meta, $info->{data};	3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
2917	} else {	3268	} else {
2918	$data = $info->{data};	3269	$RESOURCE{$name} = $info;
2919	}	3270	}
2920		3271
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;	3272	cf::cede_to_tick;
2925	}	3273	}
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	}	3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2945		3277
2946	1	3278	1
2947	}	3279	}
		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
2948		3300
2949	register_exticmd fx_want => sub {	3301	register_exticmd fx_want => sub {
2950	my ($ns, $want) = @_;	3302	my ($ns, $want) = @_;
2951		3303
2952	while (my ($k, $v) = each %$want) {	3304	while (my ($k, $v) = each %$want) {
2953	$ns->fx_want ($k, $v);	3305	$ns->fx_want ($k, $v);
2954	}	3306	}
2955	};	3307	};
2956		3308
2957	sub reload_regions {	3309	sub reload_regions {
		3310	# HACK to clear player env face cache, we need some signal framework
		3311	# for this (global event?)
		3312	%ext::player_env::MUSIC_FACE_CACHE = ();
		3313
2958	load_resource_file "$MAPDIR/regions"	3314	load_resource_file "$MAPDIR/regions"
2959	or die "unable to load regions file\n";	3315	or die "unable to load regions file\n";
2960		3316
2961	for (cf::region::list) {	3317	for (cf::region::list) {
2962	$_->{match} = qr/$_->{match}/	3318	$_->{match} = qr/$_->{match}/
…		…
3003	sub reload_config {	3359	sub reload_config {
3004	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
3005	or return;	3361	or return;
3006		3362
3007	local $/;	3363	local $/;
3008	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
3009		3365
3010	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3011		3367
3012	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$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};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3024	sub main {	3380	sub main {
3025	# we must not ever block the main coroutine	3381	# we must not ever block the main coroutine
3026	local $Coro::idle = sub {	3382	local $Coro::idle = sub {
3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3028	(async {	3384	(async {
3029	Event::one_event;	3385	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3386	EV::loop EV::LOOP_ONESHOT;
3030	})->prio (Coro::PRIO_MAX);	3387	})->prio (Coro::PRIO_MAX);
3031	};	3388	};
3032		3389
3033	reload_config;	3390	reload_config;
3034	db_init;	3391	db_init;
3035	load_extensions;	3392	load_extensions;
3036		3393
3037	$TICK_WATCHER->start;	3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3395	evthread_start IO::AIO::poll_fileno;
3038	Event::loop;	3396	EV::loop;
3039	}	3397	}
3040		3398
3041	#############################################################################	3399	#############################################################################
3042	# initialisation and cleanup	3400	# initialisation and cleanup
3043		3401
3044	# install some emergency cleanup handlers	3402	# install some emergency cleanup handlers
3045	BEGIN {	3403	BEGIN {
		3404	our %SIGWATCHER = ();
3046	for my $signal (qw(INT HUP TERM)) {	3405	for my $signal (qw(INT HUP TERM)) {
3047	Event->signal (	3406	$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";	3407	cf::cleanup "SIG$signal";
3054	},
3055	);	3408	};
3056	}	3409	}
3057	}	3410	}
3058		3411
3059	sub write_runtime {	3412	sub write_runtime_sync {
3060	my $runtime = "$LOCALDIR/runtime";	3413	my $runtime = "$LOCALDIR/runtime";
3061		3414
3062	# first touch the runtime file to show we are still running:	3415	# first touch the runtime file to show we are still running:
3063	# the fsync below can take a very very long time.	3416	# the fsync below can take a very very long time.
3064		3417
…		…
3090	and return;	3443	and return;
3091		3444
3092	warn "runtime file written.\n";	3445	warn "runtime file written.\n";
3093		3446
3094	1	3447	1
		3448	}
		3449
		3450	our $uuid_lock;
		3451	our $uuid_skip;
		3452
		3453	sub write_uuid_sync($) {
		3454	$uuid_skip ||= $_[0];
		3455
		3456	return if $uuid_lock;
		3457	local $uuid_lock = 1;
		3458
		3459	my $uuid = "$LOCALDIR/uuid";
		3460
		3461	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3465	$uuid_skip = 0;
		3466
		3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3468	and return;
		3469
		3470	# always fsync - this file is important
		3471	aio_fsync $fh
		3472	and return;
		3473
		3474	close $fh
		3475	or return;
		3476
		3477	aio_rename "$uuid~", $uuid
		3478	and return;
		3479
		3480	warn "uuid file written ($value).\n";
		3481
		3482	1
		3483
		3484	}
		3485
		3486	sub write_uuid($$) {
		3487	my ($skip, $sync) = @_;
		3488
		3489	$sync ? write_uuid_sync $skip
		3490	: async { write_uuid_sync $skip };
3095	}	3491	}
3096		3492
3097	sub emergency_save() {	3493	sub emergency_save() {
3098	my $freeze_guard = cf::freeze_mainloop;	3494	my $freeze_guard = cf::freeze_mainloop;
3099		3495
…		…
3105	# and maps saved/destroyed asynchronously.	3501	# and maps saved/destroyed asynchronously.
3106	warn "begin emergency player save\n";	3502	warn "begin emergency player save\n";
3107	for my $login (keys %cf::PLAYER) {	3503	for my $login (keys %cf::PLAYER) {
3108	my $pl = $cf::PLAYER{$login} or next;	3504	my $pl = $cf::PLAYER{$login} or next;
3109	$pl->valid or next;	3505	$pl->valid or next;
		3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3110	$pl->save;	3507	$pl->save;
3111	}	3508	}
3112	warn "end emergency player save\n";	3509	warn "end emergency player save\n";
3113		3510
3114	warn "begin emergency map save\n";	3511	warn "begin emergency map save\n";
…		…
3120	warn "end emergency map save\n";	3517	warn "end emergency map save\n";
3121		3518
3122	warn "begin emergency database checkpoint\n";	3519	warn "begin emergency database checkpoint\n";
3123	BDB::db_env_txn_checkpoint $DB_ENV;	3520	BDB::db_env_txn_checkpoint $DB_ENV;
3124	warn "end emergency database checkpoint\n";	3521	warn "end emergency database checkpoint\n";
		3522
		3523	warn "begin write uuid\n";
		3524	write_uuid_sync 1;
		3525	warn "end write uuid\n";
3125	};	3526	};
3126		3527
3127	warn "leave emergency perl save\n";	3528	warn "leave emergency perl save\n";
3128	}	3529	}
3129		3530
…		…
3144	warn "reloading...";	3545	warn "reloading...";
3145		3546
3146	warn "entering sync_job";	3547	warn "entering sync_job";
3147		3548
3148	cf::sync_job {	3549	cf::sync_job {
3149	cf::write_runtime; # external watchdog should not bark	3550	cf::write_runtime_sync; # external watchdog should not bark
3150	cf::emergency_save;	3551	cf::emergency_save;
3151	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
3152		3553
3153	warn "syncing database to disk";	3554	warn "syncing database to disk";
3154	BDB::db_env_txn_checkpoint $DB_ENV;	3555	BDB::db_env_txn_checkpoint $DB_ENV;
3155		3556
3156	# if anything goes wrong in here, we should simply crash as we already saved	3557	# 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 $_->data & WF_AUTOCANCEL;
3161	}
3162		3558
3163	warn "flushing outstanding aio requests";	3559	warn "flushing outstanding aio requests";
3164	for (;;) {	3560	for (;;) {
3165	BDB::flush;	3561	BDB::flush;
3166	IO::AIO::flush;	3562	IO::AIO::flush;
3167	Coro::cede;	3563	Coro::cede_notself;
3168	last unless IO::AIO::nreqs || BDB::nreqs;	3564	last unless IO::AIO::nreqs || BDB::nreqs;
3169	warn "iterate...";	3565	warn "iterate...";
3170	}	3566	}
3171		3567
3172	++$RELOAD;	3568	++$RELOAD;
…		…
3248	warn "leaving sync_job";	3644	warn "leaving sync_job";
3249		3645
3250	1	3646	1
3251	} or do {	3647	} or do {
3252	warn $@;	3648	warn $@;
3253	warn "error while reloading, exiting.";	3649	cf::cleanup "error while reloading, exiting.";
3254	exit 1;
3255	};	3650	};
3256		3651
3257	warn "reloaded";	3652	warn "reloaded";
3258	};	3653	};
3259		3654
…		…
3261		3656
3262	sub reload_perl() {	3657	sub reload_perl() {
3263	# doing reload synchronously and two reloads happen back-to-back,	3658	# doing reload synchronously and two reloads happen back-to-back,
3264	# coro crashes during coro_state_free->destroy here.	3659	# coro crashes during coro_state_free->destroy here.
3265		3660
3266	$RELOAD_WATCHER ||= Event->timer (	3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3267	reentrant => 0,
3268	after => 0,
3269	data => WF_AUTOCANCEL,
3270	cb => sub {
3271	do_reload_perl;	3662	do_reload_perl;
3272	undef $RELOAD_WATCHER;	3663	undef $RELOAD_WATCHER;
3273	},
3274	);	3664	};
3275	}	3665	}
3276		3666
3277	register_command "reload" => sub {	3667	register_command "reload" => sub {
3278	my ($who, $arg) = @_;	3668	my ($who, $arg) = @_;
3279		3669
3280	if ($who->flag (FLAG_WIZ)) {	3670	if ($who->flag (FLAG_WIZ)) {
3281	$who->message ("reloading server.");	3671	$who->message ("reloading server.");
		3672	async {
		3673	$Coro::current->{desc} = "perl_reload";
3282	async { reload_perl };	3674	reload_perl;
		3675	};
3283	}	3676	}
3284	};	3677	};
3285		3678
3286	unshift @INC, $LIBDIR;	3679	unshift @INC, $LIBDIR;
3287		3680
…		…
3289		3682
3290	our @WAIT_FOR_TICK;	3683	our @WAIT_FOR_TICK;
3291	our @WAIT_FOR_TICK_BEGIN;	3684	our @WAIT_FOR_TICK_BEGIN;
3292		3685
3293	sub wait_for_tick {	3686	sub wait_for_tick {
3294	return unless $TICK_WATCHER->is_active;	3687	return if tick_inhibit;
3295	return if $Coro::current == $Coro::main;	3688	return if $Coro::current == $Coro::main;
3296		3689
3297	my $signal = new Coro::Signal;	3690	my $signal = new Coro::Signal;
3298	push @WAIT_FOR_TICK, $signal;	3691	push @WAIT_FOR_TICK, $signal;
3299	$signal->wait;	3692	$signal->wait;
3300	}	3693	}
3301		3694
3302	sub wait_for_tick_begin {	3695	sub wait_for_tick_begin {
3303	return unless $TICK_WATCHER->is_active;	3696	return if tick_inhibit;
3304	return if $Coro::current == $Coro::main;	3697	return if $Coro::current == $Coro::main;
3305		3698
3306	my $signal = new Coro::Signal;	3699	my $signal = new Coro::Signal;
3307	push @WAIT_FOR_TICK_BEGIN, $signal;	3700	push @WAIT_FOR_TICK_BEGIN, $signal;
3308	$signal->wait;	3701	$signal->wait;
3309	}	3702	}
3310		3703
3311	my $min = 1e6;#d#	3704	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 != $Coro::main) {	3705	if ($Coro::current != $Coro::main) {
3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3322	unless ++$bug_warning > 10;	3707	unless ++$bug_warning > 10;
3323	return;	3708	return;
3324	}	3709	}
3325		3710
3326	$NOW = $tick_start = Event::time;
3327
3328	cf::server_tick; # one server iteration	3711	cf::server_tick; # one server iteration
3329		3712
3330	0 && sync_job {#d#	3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3331	for(1..10) {	3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3332	my $t = Event::time;	3715	Coro::async_pool {
3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3716	$Coro::current->{desc} = "runtime saver";
3334	or die;	3717	write_runtime_sync
3335		3718	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	};	3719	};
		3720	}
3352		3721
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) {	3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3368	$sig->send;	3723	$sig->send;
3369	}	3724	}
3370	while (my $sig = shift @WAIT_FOR_TICK) {	3725	while (my $sig = shift @WAIT_FOR_TICK) {
3371	$sig->send;	3726	$sig->send;
3372	}	3727	}
3373		3728
3374	$NOW = Event::time;	3729	$LOAD = ($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;	3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3384		3731
3385	_post_tick;	3732	if (0) {
3386		3733	if ($NEXT_TICK) {
3387		3734	my $jitter = $TICK_START - $NEXT_TICK;
		3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3736	warn "jitter $JITTER\n";#d#
		3737	}
3388	},	3738	}
3389	);	3739	}
3390		3740
3391	{	3741	{
3392	BDB::max_poll_time $TICK * 0.1;	3742	# configure BDB
3393	$BDB_POLL_WATCHER = Event->io (	3743
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;	3744	BDB::min_parallel 8;
3402		3745	BDB::max_poll_reqs $TICK * 0.1;
3403	BDB::set_sync_prepare {	3746	$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	$! = $status;
3414	},
3415	)
3416	};
3417		3747
3418	unless ($DB_ENV) {	3748	unless ($DB_ENV) {
3419	$DB_ENV = BDB::db_env_create;	3749	$DB_ENV = BDB::db_env_create;
		3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3751	| BDB::LOG_AUTOREMOVE, 1);
		3752	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3753	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3420		3754
3421	cf::sync_job {	3755	cf::sync_job {
3422	eval {	3756	eval {
3423	BDB::db_env_open	3757	BDB::db_env_open
3424	$DB_ENV,	3758	$DB_ENV,
…		…
3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3760	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3761	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3428	0666;	3762	0666;
3429		3763
3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3764	cf::cleanup "db_env_open($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	};	3765	};
3435		3766
3436	cf::cleanup "db_env_open(db): $@" if $@;	3767	cf::cleanup "db_env_open(db): $@" if $@;
3437	};	3768	};
3438	}	3769	}
		3770
		3771	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3772	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3773	};
		3774	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3775	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3776	};
		3777	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3778	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3779	};
3439	}	3780	}
3440		3781
3441	{	3782	{
		3783	# configure IO::AIO
		3784
3442	IO::AIO::min_parallel 8;	3785	IO::AIO::min_parallel 8;
3443
3444	undef $Coro::AIO::WATCHER;
3445	IO::AIO::max_poll_time $TICK * 0.1;	3786	IO::AIO::max_poll_time $TICK * 0.1;
3446	$AIO_POLL_WATCHER = Event->io (	3787	$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	}	3788	}
3455		3789
3456	my $_log_backtrace;	3790	my $_log_backtrace;
3457		3791
3458	sub _log_backtrace {	3792	sub _log_backtrace {
…		…
3462		3796
3463	# limit the # of concurrent backtraces	3797	# limit the # of concurrent backtraces
3464	if ($_log_backtrace < 2) {	3798	if ($_log_backtrace < 2) {
3465	++$_log_backtrace;	3799	++$_log_backtrace;
3466	async {	3800	async {
		3801	$Coro::current->{desc} = "abt $msg";
		3802
3467	my @bt = fork_call {	3803	my @bt = fork_call {
3468	@addr = map { sprintf "%x", $_ } @addr;	3804	@addr = map { sprintf "%x", $_ } @addr;
3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3805	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3806	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3471	or die "addr2line: $!";	3807	or die "addr2line: $!";

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