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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.331 by root, Mon Aug 13 13:10:01 2007 UTC vs.
Revision 1.421 by root, Tue Apr 15 18:43:11 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 3.61 ();	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;
		46	use Coro::Util ();
24		47
25	use JSON::XS 1.4 ();	48	use JSON::XS 2.01 ();
26	use BDB ();	49	use BDB ();
27	use Data::Dumper;	50	use Data::Dumper;
28	use Digest::MD5;	51	use Digest::MD5;
29	use Fcntl;	52	use Fcntl;
30	use YAML::Syck ();	53	use YAML ();
31	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
32	use Time::HiRes;	55	use Time::HiRes;
33	use Compress::LZF;	56	use Compress::LZF;
34	use Digest::MD5 ();	57	use Digest::MD5 ();
35		58
36	# configure various modules to our taste	59	# configure various modules to our taste
37	#	60	#
38	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
39	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
40	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
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46		64
47	$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
48		66
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		68
…		…
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
74		93
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	97	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		99
83	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	104	our $DB_ENV;
85		105
86	our %CFG;	106	our %CFG;
87		107
88	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
90		111
91	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
94		115
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		118
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
101		123
102	binmode STDOUT;	124	binmode STDOUT;
103	binmode STDERR;	125	binmode STDERR;
104		126
105	# read virtual server time, if available	127	# read virtual server time, if available
…		…
158		180
159	The raw value load value from the last tick.	181	The raw value load value from the last tick.
160		182
161	=item %cf::CFG	183	=item %cf::CFG
162		184
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	186	from wherever your confdir points to.
165		187
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		189
168	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
…		…
186	$msg .= "\n"	208	$msg .= "\n"
187	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
188		210
189	$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;
190		212
191	utf8::encode $msg;
192	LOG llevError, $msg;	213	LOG llevError, $msg;
193	};	214	};
194	}	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	$SIG{__DIE__} = sub { }; #d#?
195		231
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
212	)) {	248	)) {
213	no strict 'refs';	249	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	251	}
216		252
217	$Event::DIED = sub {	253	$EV::DIED = sub {
218	warn "error in event callback: @_";	254	warn "error in event callback: @_";
219	};	255	};
220		256
221	#############################################################################	257	#############################################################################
222		258
…		…
245	$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;
246	$d	282	$d
247	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
248	}	284	}
249		285
250	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
251		287
252	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
253		289
254	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
255		291
256	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
257		293
258	=cut	294	=cut
259		295
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		297
262	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
264		300
265	=item cf::lock_wait $string	301	=item cf::lock_wait $string
266		302
267	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
268		304
…		…
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
274	returned.	310	returned.
275		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
276	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
277	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
278		317
279	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
280		319
281	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
282		321
283	=cut	322	=cut
284		323
285	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
286		326
287	sub lock_wait($) {	327	sub lock_wait($) {
288	my ($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#
289		334
290	# wait for lock, if any	335	# wait for lock, if any
291	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	338	Coro::schedule;
…		…
299		344
300	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
301	lock_wait $key;	346	lock_wait $key;
302		347
303	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
304		350
305	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
308	}	355	}
309	}	356	}
310		357
…		…
313		360
314	! ! $LOCK{$key}	361	! ! $LOCK{$key}
315	}	362	}
316		363
317	sub freeze_mainloop {	364	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
319		366
320	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
321	$TICK_WATCHER->start;	368	}
322	};	369
323	$TICK_WATCHER->stop;	370	=item cf::periodic $interval, $cb
324	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
325	}	383	}
326		384
327	=item cf::get_slot $time[, $priority[, $name]]	385	=item cf::get_slot $time[, $priority[, $name]]
328		386
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	398	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	399	our $SLOT_QUEUE;
342		400
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
345	my $signal = new Coro::Signal;	405	my $signal = new Coro::Signal;
346		406
347	while () {	407	while () {
348	next_job:	408	next_job:
349	my $avail = cf::till_tick;	409	my $avail = cf::till_tick;
…		…
357	}	417	}
358	}	418	}
359	}	419	}
360		420
361	if (@SLOT_QUEUE) {	421	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	423	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	424	$signal->wait;
365	} else {	425	} else {
366	Coro::schedule;	426	Coro::schedule;
367	}	427	}
368	}	428	}
369	};	429	};
370		430
371	sub get_slot($;$$) {	431	sub get_slot($;$$) {
		432	return if tick_inhibit;
		433
372	my ($time, $pri, $name) = @_;	434	my ($time, $pri, $name) = @_;
373		435
374	$time = $TICK * .6 if $time > $TICK * .6;	436	$time = $TICK * .6 if $time > $TICK * .6;
375	my $sig = new Coro::Signal;	437	my $sig = new Coro::Signal;
376		438
…		…
390		452
391	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
392		454
393	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
394		456
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	457	The design of Deliantra requires that the main coroutine ($Coro::main)
396	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
397	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
398	acceptable.	460	acceptable.
399		461
400	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
401	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
…		…
406		468
407	sub sync_job(&) {	469	sub sync_job(&) {
408	my ($job) = @_;	470	my ($job) = @_;
409		471
410	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	473	my $time = EV::time;
412		474
413	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
415		477
416	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	479
418	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
419		481
420	my $busy = 1;	482	my $busy = 1;
421	my @res;	483	my @res;
422		484
423	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	487	@res = eval { $job->() };
425	warn $@ if $@;	488	warn $@ if $@;
426	undef $busy;	489	undef $busy;
427	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
428		491
429	while ($busy) {	492	while ($busy) {
430	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
431	}	497	}
		498	}
432		499
433	$time = Event::time - $time;	500	my $time = EV::time - $time;
434		501
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
439		503
440	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
441	} else {	505	} else {
442	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
443		507
…		…
468	=item fork_call { }, $args	532	=item fork_call { }, $args
469		533
470	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
471	process, returning the results. Everything must be serialisable with	535	process, returning the results. Everything must be serialisable with
472	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
473	never block itself or use any form of Event handling.	537	never block itself or use any form of event handling.
474		538
475	=cut	539	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		540
486	sub fork_call(&@) {	541	sub fork_call(&@) {
487	my ($cb, @args) = @_;	542	my ($cb, @args) = @_;
488		543
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	544	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	545	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	546	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		547
494	if (my $pid = fork) {	548	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	549	reset_signals;
508	local $SIG{__WARN__};	550	&$cb
509	local $SIG{__DIE__};	551	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		552
516	eval {	553	wantarray ? @res : $res[-1]
517	close $fh1;	554	}
518		555
519	my @res = eval { $cb->(@args) };	556	=item $coin = coin_from_name $name
520		557
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	558	=cut
522	close $fh2;
523	};
524		559
525	warn $@ if $@;	560	our %coin_alias = (
526	_exit 0;	561	"silver" => "silvercoin",
527	}	562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
528	}	581	}
529		582
530	=item $value = cf::db_get $family => $key	583	=item $value = cf::db_get $family => $key
531		584
532	Returns a single value from the environment database.	585	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	587	=item cf::db_put $family => $key => $value
535		588
536	Stores the given C<$value> in the family. It can currently store binary	589	Stores the given C<$value> in the family. It can currently store binary
537	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).
538		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
539	=cut	597	=cut
		598
		599	sub db_table($) {
		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	}
540		615
541	our $DB;	616	our $DB;
542		617
543	sub db_init {	618	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	619	cf::sync_job {
548	eval {	620	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	621	};
558	}	622	}
559		623
560	sub db_get($$) {	624	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	625	my $key = "$_[0]/$_[1]";
562		626
…		…
612	if (1) {	676	if (1) {
613	$md5 =	677	$md5 =
614	join "\x00",	678	join "\x00",
615	$processversion,	679	$processversion,
616	map {	680	map {
617	Coro::cede;	681	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	682	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	683	} 0.. $#$src;
620		684
621		685
622	my $dbmd5 = db_get cache => "$id/md5";	686	my $dbmd5 = db_get cache => "$id/md5";
…		…
666	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")
667	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
668		732
669	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>
670	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
671	Crossfire TRT).	735	Deliantra).
672		736
673	=over 4	737	=over 4
674		738
675	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
676		740
…		…
958	}	1022	}
959		1023
960	0	1024	0
961	}	1025	}
962		1026
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1028
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1030
967	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
968		1032
…		…
974		1038
975	=cut	1039	=cut
976		1040
977	#############################################################################	1041	#############################################################################
978	# object support	1042	# object support
979	#
980		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 $SLOW_MERGES;#d#
981	sub _can_merge {	1077	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1078	my ($ob1, $ob2) = @_;
983		1079
984	local $Storable::canonical = 1;	1080	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1081
988	$fob1 eq $fob2	1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
989	}	1084	}
990		1085
991	sub reattach {	1086	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1088	my ($obj) = @_;
…		…
1015	cf::attachable->attach (	1110	cf::attachable->attach (
1016	prio => -1000000,	1111	prio => -1000000,
1017	on_instantiate => sub {	1112	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
1019		1114
1020	$data = from_json $data;	1115	$data = decode_json $data;
1021		1116
1022	for (@$data) {	1117	for (@$data) {
1023	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
1024		1119
1025	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1136	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
1043		1138
1044	sync_job {	1139	sync_job {
1045	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
1048		1144
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
1053	close $fh;	1149	close $fh;
1054		1150
1055	if (@$objs) {	1151	if (@$objs) {
1056	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) {
1057	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1061	close $fh;	1157	close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1159	}
…		…
1071	}	1167	}
1072	} else {	1168	} else {
1073	aio_unlink $filename;	1169	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
1075	}	1171	}
1076	}	1172	};
1077	}	1173	}
1078		1174
1079	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
1081		1177
…		…
1093	or return;	1189	or return;
1094		1190
1095	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1193	or return;
		1194
1098	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
1099	}	1197	}
1100		1198
		1199	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
		1202
1103	return ($data, $av);	1203	($data, $av)
1104	}	1204	}
1105		1205
1106	=head2 COMMAND CALLBACKS	1206	=head2 COMMAND CALLBACKS
1107		1207
1108	=over 4	1208	=over 4
…		…
1186	my ($type, $reply, @payload) =	1286	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1287	"ARRAY" eq ref $msg
1188	? @$msg	1288	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1290
		1291	my @reply;
		1292
1191	if (my $cb = $EXTCMD{$type}) {	1293	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1294	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
1197	} else {	1300	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1302	}
1200		1303
1201	cf::override;	1304	cf::override;
…		…
1254	my $msg = $@ ? "$v->{path}: $@\n"	1357	my $msg = $@ ? "$v->{path}: $@\n"
1255	: "$v->{base}: extension inactive.\n";	1358	: "$v->{base}: extension inactive.\n";
1256		1359
1257	if (exists $v->{meta}{mandatory}) {	1360	if (exists $v->{meta}{mandatory}) {
1258	warn $msg;	1361	warn $msg;
1259	warn "mandatory extension failed to load, exiting.\n";	1362	cf::cleanup "mandatory extension failed to load, exiting.";
1260	exit 1;
1261	}	1363	}
1262		1364
1263	warn $msg;	1365	warn $msg;
1264	}	1366	}
1265		1367
…		…
1290	use Coro::AIO;	1392	use Coro::AIO;
1291		1393
1292	=head3 cf::player	1394	=head3 cf::player
1293		1395
1294	=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	}
1295		1411
1296	=item cf::player::find $login	1412	=item cf::player::find $login
1297		1413
1298	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1299		1415
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1455
1340	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1341	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;
1342	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1343	}	1464	}
1344	}	1465	}
1345	}	1466	}
1346		1467
…		…
1355	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1356		1477
1357	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1359		1480
		1481	cf::get_slot 0.01;
		1482
1360	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1361	Coro::cede;	1484	cf::cede_to_tick;
1362	}	1485	}
1363		1486
1364	sub new($) {	1487	sub new($) {
1365	my ($login) = @_;	1488	my ($login) = @_;
1366		1489
…		…
1444	or return [];	1567	or return [];
1445		1568
1446	my @logins;	1569	my @logins;
1447		1570
1448	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") {
1449	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1450	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1451	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1452		1580
1453	utf8::decode $login;	1581	utf8::decode $login;
1454	push @logins, $login;	1582	push @logins, $login;
1455	}	1583	}
1456		1584
…		…
1489		1617
1490	Expand crossfire pod fragments into protocol xml.	1618	Expand crossfire pod fragments into protocol xml.
1491		1619
1492	=cut	1620	=cut
1493		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
1494	sub expand_cfpod {	1633	sub expand_cfpod {
1495	((my $self), (local $_)) = @_;	1634	my ($self, $pod) = @_;
1496		1635
1497	# escape & and <	1636	my $xml;
1498	s/&/&amp;/g;
1499	s/(?<![BIUGH])</&lt;/g;
1500		1637
1501	# this is buggy, it needs to properly take care of nested <'s	1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
1502		1641
1503	1 while	1642	$group =~ s/&/&amp;/g;
1504	# replace B<>, I<>, U<> etc.	1643	$group =~ s/</&lt;/g;
1505	s/B<([^\>]*)>/<b>$1<\/b>/	1644
1506	|| s/I<([^\>]*)>/<i>$1<\/i>/	1645	$xml .= $group;
1507	|| s/U<([^\>]*)>/<u>$1<\/u>/	1646	} elsif ($pod =~ m%\G
1508	# replace G<male|female> tags	1647	([BCGHITU])
1509	|| s{G<([^>|]*)\|([^>]*)>}{	1648	<
1510	$self->gender ? $2 : $1	1649	(?:
1511	}ge	1650	([^<>]*) (?{ $group = $^N })
1512	# replace H<hint text>	1651	| < $interior >
1513	|| s{H<([^\>]*)>}	1652	)
		1653	>
		1654	%gcsx
1514	{	1655	) {
		1656	my ($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") {
1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1517	"")	1675	"")
1518	[$self->{hintmode}]	1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
1519	}ge;	1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
1520		1687
		1688	for ($xml) {
1521	# create single paragraphs (very hackish)	1689	# create single paragraphs (very hackish)
1522	s/(?<=\S)\n(?=\w)/ /g;	1690	s/(?<=\S)\n(?=\w)/ /g;
1523		1691
1524	# compress some whitespace	1692	# compress some whitespace
1525	s/\s+\n/\n/g; # ws line-ends	1693	s/\s+\n/\n/g; # ws line-ends
1526	s/\n\n+/\n/g; # double lines	1694	s/\n\n+/\n/g; # double lines
1527	s/^\n+//; # beginning lines	1695	s/^\n+//; # beginning lines
1528	s/\n+$//; # ending lines	1696	s/\n+$//; # ending lines
		1697	}
1529		1698
1530	$_	1699	$xml
1531	}	1700	}
		1701
		1702	no re 'eval';
1532		1703
1533	sub hintmode {	1704	sub hintmode {
1534	$_[0]{hintmode} = $_[1] if @_ > 1;	1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1535	$_[0]{hintmode}	1706	$_[0]{hintmode}
1536	}	1707	}
…		…
1542	=cut	1713	=cut
1543		1714
1544	sub ext_reply($$@) {	1715	sub ext_reply($$@) {
1545	my ($self, $id, @msg) = @_;	1716	my ($self, $id, @msg) = @_;
1546		1717
1547	if ($self->ns->extcmd == 2) {	1718	$self->ns->ext_reply ($id, @msg)
1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1549	} elsif ($self->ns->extcmd == 1) {
1550	#TODO: version 1, remove
1551	unshift @msg, msgtype => "reply", msgid => $id;
1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1553	}
1554	}	1719	}
1555		1720
1556	=item $player->ext_msg ($type, @msg)	1721	=item $player->ext_msg ($type, @msg)
1557		1722
1558	Sends an ext event to the client.	1723	Sends an ext event to the client.
…		…
1614	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1615	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1616		1781
1617	sub generate_random_map {	1782	sub generate_random_map {
1618	my ($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
1619	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1620	$self->_create_random_map (	1788	$self->_create_random_map (
1621	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1622	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1623	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1745		1913
1746	# the temporary/swap location	1914	# the temporary/swap location
1747	sub save_path {	1915	sub save_path {
1748	my ($self) = @_;	1916	my ($self) = @_;
1749		1917
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1752	}	1920	}
1753		1921
1754	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1755	sub uniq_path {	1923	sub uniq_path {
1756	my ($self) = @_;	1924	my ($self) = @_;
1757		1925
1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1759	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1760	}	1928	}
1761		1929
1762	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1763	# all maps in C++...	1931	# all maps in C++...
…		…
1786		1954
1787	sub load_header_from($) {	1955	sub load_header_from($) {
1788	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1789		1957
1790	utf8::encode $path;	1958	utf8::encode $path;
1791	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1792	# or return;
1793
1794	$self->_load_header ($path)
1795	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;
1796		1967
1797	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1798		1969
1799	1	1970	1
1800	}	1971	}
…		…
1854	sub find {	2025	sub find {
1855	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1856		2027
1857	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1858		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1859	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1860		2032
1861	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1862	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
1863	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1864	or return;	2038	or return;
1865		2039
1866	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1867		2041
…		…
1869	or return;	2043	or return;
1870		2044
1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1872	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1873	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1874	$map->reset;	2050	$map->reset;
1875	undef $guard;
1876	return find $path;	2051	return find $path;
1877	}	2052	}
1878		2053
1879	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1880	}	2055	}
…		…
1889	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1890		2065
1891	my $path = $self->{path};	2066	my $path = $self->{path};
1892		2067
1893	{	2068	{
1894	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1895		2070
		2071	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1897		2073
1898	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1899		2075
1900	$self->alloc;	2076	$self->alloc;
1901		2077
1902	$self->pre_load;	2078	$self->pre_load;
1903	Coro::cede;	2079	cf::cede_to_tick;
1904		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1905	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1906	or return;	2084	or return;
1907		2085
1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1909	if delete $self->{load_original};	2087	if delete $self->{load_original};
1910		2088
1911	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1912	utf8::encode $uniq;	2090	utf8::encode $uniq;
1913	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1914	$self->clear_unique_items;	2093	$self->clear_unique_items;
1915	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1916	}	2097	}
1917	}	2098	}
1918		2099
1919	Coro::cede;	2100	$f->resolve_delayed_derefs;
		2101
		2102	cf::cede_to_tick;
1920	# now do the right thing for maps	2103	# now do the right thing for maps
1921	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1922	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1923	unless $self->difficulty;	2106	unless $self->difficulty;
1924	Coro::cede;	2107	cf::cede_to_tick;
1925		2108
1926	unless ($self->{deny_activate}) {	2109	unless ($self->{deny_activate}) {
1927	$self->decay_objects;	2110	$self->decay_objects;
1928	$self->fix_auto_apply;	2111	$self->fix_auto_apply;
1929	$self->update_buttons;	2112	$self->update_buttons;
1930	Coro::cede;	2113	cf::cede_to_tick;
1931	$self->set_darkness_map;	2114	$self->set_darkness_map;
1932	Coro::cede;	2115	cf::cede_to_tick;
1933	$self->activate;	2116	$self->activate;
1934	}	2117	}
1935		2118
1936	$self->{last_save} = $cf::RUNTIME;	2119	$self->{last_save} = $cf::RUNTIME;
1937	$self->last_access ($cf::RUNTIME);	2120	$self->last_access ($cf::RUNTIME);
1938		2121
1939	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1940	}	2123	}
1941		2124
1942	$self->post_load;	2125	$self->post_load;
1943	}	2126	}
1944		2127
…		…
1953		2136
1954	$self	2137	$self
1955	}	2138	}
1956		2139
1957	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1958	sub load_diag {	2141	sub load_neighbours {
1959	my ($map) = @_;	2142	my ($map) = @_;
1960		2143
1961	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1962		2145
1963	for (0 .. 3) {	2146	for (0 .. 3) {
1964	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1965	or next;	2148	or next;
1966	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1967	or next;	2150	or next;
1968	$neigh->load;	2151	$neigh->load;
1969		2152
		2153	push @neigh,
1970	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1971	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1972	}	2156	}
1973		2157
1974	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1975	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1976	or next;	2161	or next;
1977	$neigh->load;	2162	$neigh->load;
1978	}	2163	}
1979	}	2164	}
1980		2165
…		…
1985	}	2170	}
1986		2171
1987	sub do_load_sync {	2172	sub do_load_sync {
1988	my ($map) = @_;	2173	my ($map) = @_;
1989		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1990	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1991	}	2179	}
1992		2180
1993	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1994	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1995		2183
1996	sub find_async {	2184	sub find_async {
1997	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1998		2186
1999	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
2000		2188
2001	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2191	}
2004		2192
2005	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
2006	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
2007	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
2008	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
2009	if (my $map = find $path) {	2200	if (my $map = find $k) {
2010	$map->load;	2201	$map->load if $v;
2011	}	2202	}
2012		2203
2013	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
2014	}	2205	}
2015	}	2206	}
2016	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
2017	};	2208	};
2018	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
2021	}	2212	}
2022		2213
2023	sub save {	2214	sub save {
2024	my ($self) = @_;	2215	my ($self) = @_;
2025		2216
2026	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
2027		2218
2028	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
2029		2220
2030	return unless $self->dirty;	2221	return unless $self->dirty;
2031		2222
…		…
2037	return if $self->{deny_save};	2228	return if $self->{deny_save};
2038		2229
2039	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
2040		2231
2041	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
2042	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
2043	};	2235	};
		2236
		2237	cf::get_slot 0.02;
2044		2238
2045	if ($uniq) {	2239	if ($uniq) {
2046	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2047	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2048	} else {	2242	} else {
…		…
2054	my ($self) = @_;	2248	my ($self) = @_;
2055		2249
2056	# save first because save cedes	2250	# save first because save cedes
2057	$self->save;	2251	$self->save;
2058		2252
2059	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
2060		2254
2061	return if $self->players;	2255	return if $self->players;
2062	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
2063	return if $self->{deny_save};	2257	return if $self->{deny_save};
2064		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
2065	$self->clear;	2263	$self->clear;
2066	$self->in_memory (cf::MAP_SWAPPED);
2067	}	2264	}
2068		2265
2069	sub reset_at {	2266	sub reset_at {
2070	my ($self) = @_;	2267	my ($self) = @_;
2071		2268
…		…
2103	if $uniq;	2300	if $uniq;
2104	}	2301	}
2105		2302
2106	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
2107		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
2108	$self->clear;	2307	$self->clear;
2109
2110	$_->clear_links_to ($self) for values %cf::MAP;
2111		2308
2112	$self->unlink_save;	2309	$self->unlink_save;
2113	$self->destroy;	2310	$self->destroy;
2114	}	2311	}
2115		2312
2116	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
2117		2314
2118	sub nuke {	2315	sub nuke {
2119	my ($self) = @_;	2316	my ($self) = @_;
2120		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
2121	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
2122		2322
2123	$self->unlink_save;	2323	$self->unlink_save;
2124		2324
2125	bless $self, "cf::map";	2325	bless $self, "cf::map";
2126	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
2127	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
2128	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2130		2330
2131	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
2132		2333
2133	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
2134	}	2335	}
2135		2336
2136	=item $maps = cf::map::tmp_maps	2337	=item $maps = cf::map::tmp_maps
…		…
2178		2379
2179	sub unique_maps() {	2380	sub unique_maps() {
2180	[	2381	[
2181	map {	2382	map {
2182	utf8::decode $_;	2383	utf8::decode $_;
2183	/\.map$/	2384	s/\.map$//; # TODO future compatibility hack
		2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2386	? ()
2184	? normalise $_	2387	: normalise $_
2185	: ()
2186	} @{ aio_readdir $UNIQUEDIR or [] }	2388	} @{ aio_readdir $UNIQUEDIR or [] }
2187	]	2389	]
2188	}	2390	}
2189		2391
2190	package cf;
2191
2192	=back	2392	=back
2193		2393
2194	=head3 cf::object	2394	=head3 cf::object
2195		2395
2196	=cut	2396	=cut
…		…
2199		2399
2200	=over 4	2400	=over 4
2201		2401
2202	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
2203		2403
2204	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.
2205		2406
2206	=cut	2407	=cut
2207		2408
2208	sub inv_recursive_;	2409	sub inv_recursive_;
2209	sub inv_recursive_ {	2410	sub inv_recursive_ {
2210	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
2211	}	2412	}
2212		2413
2213	sub inv_recursive {	2414	sub inv_recursive {
2214	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	}
2215	}	2444	}
2216		2445
2217	package cf;	2446	package cf;
2218		2447
2219	=back	2448	=back
…		…
2349	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
2350	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
2351	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
2352		2581
2353	$map->load;	2582	$map->load;
2354	$map->load_diag;	2583	$map->load_neighbours;
2355		2584
2356	return unless $self->contr->active;	2585	return unless $self->contr->active;
2357	$self->activate_recursive;	2586	$self->activate_recursive;
2358		2587
2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
…		…
2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2380		2609
2381	$self->enter_link;	2610	$self->enter_link;
2382		2611
2383	(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
2384	my $map = eval {	2634	my $map = eval {
2385	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
2386		2636
2387	if ($map) {	2637	if ($map) {
2388	$map = $map->customise_for ($self);	2638	$map = $map->customise_for ($self);
2389	$map = $check->($map) if $check && $map;	2639	$map = $check->($map) if $check && $map;
2390	} else {	2640	} else {
2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2392	}	2642	}
2393		2643
2394	$map	2644	$map
2395	};	2645	};
2396		2646
…		…
2449	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2450	}	2700	}
2451		2701
2452	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2453		2703
2454	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canolicalize->encode ($rmp);
2455	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2456	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2457		2707
2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2459	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2486	# if exit is damned, update players death & WoR home-position	2736	# if exit is damned, update players death & WoR home-position
2487	$self->contr->savebed ($slaying, $hp, $sp)	2737	$self->contr->savebed ($slaying, $hp, $sp)
2488	if $exit->flag (FLAG_DAMNED);	2738	if $exit->flag (FLAG_DAMNED);
2489		2739
2490	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2491	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2492	unless (eval {	2744	unless (eval {
2493	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2494		2746
2495	1;	2747	1;
…		…
2530	the message, with C<log> being the default. If C<$color> is negative, suppress	2782	the message, with C<log> being the default. If C<$color> is negative, suppress
2531	the message unless the client supports the msg packet.	2783	the message unless the client supports the msg packet.
2532		2784
2533	=cut	2785	=cut
2534		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
2535	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2536	my ($self, $channel, $msg, $color, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2537		2841
2538	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg);
2539		2843
2540	$color &= cf::NDI_CLIENT_MASK; # just in case...	2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
2541		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
2542	if (ref $channel) {	2855	} elsif (ref $channel) {
2543	# send meta info to client, if not yet sent	2856	# send meta info to client, if not yet sent
2544	unless (exists $self->{channel}{$channel->{id}}) {	2857	unless (exists $self->{channel}{$channel->{id}}) {
2545	$self->{channel}{$channel->{id}} = $channel;	2858	$self->{channel}{$channel->{id}} = $channel;
2546	$self->ext_msg (channel_info => $channel);	2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
2547	}	2861	}
2548		2862
2549	$channel = $channel->{id};	2863	$channel = $channel->{id};
2550	}	2864	}
2551		2865
…		…
2592	=cut	2906	=cut
2593		2907
2594	sub cf::client::ext_msg($$@) {	2908	sub cf::client::ext_msg($$@) {
2595	my ($self, $type, @msg) = @_;	2909	my ($self, $type, @msg) = @_;
2596		2910
2597	my $extcmd = $self->extcmd;
2598
2599	if ($extcmd == 2) {	2911	if ($self->extcmd == 2) {
2600	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2601	} elsif ($extcmd == 1) { # TODO: remove	2913	} elsif ($self->extcmd == 1) { # TODO: remove
2602	push @msg, msgtype => "event_$type";	2914	push @msg, msgtype => "event_$type";
		2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
2603	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2604	}	2934	}
2605	}	2935	}
2606		2936
2607	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
…		…
2669	my ($type, $reply, @payload) =	2999	my ($type, $reply, @payload) =
2670	"ARRAY" eq ref $msg	3000	"ARRAY" eq ref $msg
2671	? @$msg	3001	? @$msg
2672	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2673		3003
		3004	my @reply;
		3005
2674	if (my $cb = $EXTICMD{$type}) {	3006	if (my $cb = $EXTICMD{$type}) {
2675	my @reply = $cb->($ns, @payload);	3007	@reply = $cb->($ns, @payload);
2676
2677	$ns->ext_reply ($reply, @reply)
2678	if $reply;
2679	}	3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
2680	} else {	3013	} else {
2681	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2682	}	3015	}
2683		3016
2684	cf::override;	3017	cf::override;
…		…
2744	=pod	3077	=pod
2745		3078
2746	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2747		3080
2748	cf::object	3081	cf::object
2749	contr pay_amount pay_player map x y force_find force_add	3082	contr pay_amount pay_player map x y force_find force_add destroy
2750	insert remove name archname title slaying race	3083	insert remove name archname title slaying race decrease_ob_nr
2751		3084
2752	cf::object::player	3085	cf::object::player
2753	player	3086	player
2754		3087
2755	cf::player	3088	cf::player
…		…
2760		3093
2761	=cut	3094	=cut
2762		3095
2763	for (	3096	for (
2764	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2765	insert remove inv name archname title slaying race)],	3098	insert remove inv name archname title slaying race
		3099	decrease_ob_nr destroy)],
2766	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2767	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2768	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2769	) {	3103	) {
2770	no strict 'refs';	3104	no strict 'refs';
…		…
2846	# the server's init and main functions	3180	# the server's init and main functions
2847		3181
2848	sub load_facedata($) {	3182	sub load_facedata($) {
2849	my ($path) = @_;	3183	my ($path) = @_;
2850		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3190
2851	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2852		3192
2853	my $facedata;	3193	my $facedata;
2854	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
2855	or die "$path: $!";	3195	or die "$path: $!";
…		…
2857	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2858		3198
2859	$facedata->{version} == 2	3199	$facedata->{version} == 2
2860	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2861		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2862	{	3209	{
2863	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2864		3211
2865	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2866	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2867	cf::face::set_visibility $idx, $info->{visibility};	3215	cf::face::set_visibility $idx, $info->{visibility};
2868	cf::face::set_magicmap $idx, $info->{magicmap};	3216	cf::face::set_magicmap $idx, $info->{magicmap};
2869	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2870	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2871		3219
2872	cf::cede_to_tick;	3220	cf::cede_to_tick;
2873	}	3221	}
2874		3222
2875	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2876	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2877	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2878	or next;	3227	or next;
		3228
2879	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
2880	cf::face::set_smooth $idx, $smooth;	3230	cf::face::set_smooth $idx, $smooth;
2881	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2882	} else {	3232	} else {
2883	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2900		3250
2901	{	3251	{
2902	# TODO: for gcfclient pleasure, we should give resources	3252	# TODO: for gcfclient pleasure, we should give resources
2903	# that gcfclient doesn't grok a >10000 face index.	3253	# that gcfclient doesn't grok a >10000 face index.
2904	my $res = $facedata->{resource};	3254	my $res = $facedata->{resource};
2905	my $enc = JSON::XS->new->utf8->canonical;
2906
2907	my $soundconf = delete $res->{"res/sound.conf"};
2908		3255
2909	while (my ($name, $info) = each %$res) {	3256	while (my ($name, $info) = each %$res) {
2910	my $meta = $enc->encode ({	3257	if (defined $info->{type}) {
2911	name => $name,
2912	%{ $info->{meta} || {} },
2913	});
2914
2915	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
2916		3260
2917	if ($info->{type} & 1) {	3261	if ($info->{type} & 1) {
2918	# prepend meta info	3262	# prepend meta info
2919		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
2920	my $data = pack "(w/a*)*", $meta, $info->{data};	3269	$data = pack "(w/a*)*", $meta, $info->{data};
2921	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3270	} else {
		3271	$data = $info->{data};
		3272	}
2922		3273
2923	cf::face::set_data $idx, 0, $data, $chk;	3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
2924	} else {	3276	} else {
2925	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3277	$RESOURCE{$name} = $info;
2926	}	3278	}
2927		3279
2928	cf::face::set_type $idx, $info->{type};
2929
2930	cf::cede_to_tick;	3280	cf::cede_to_tick;
2931	}	3281	}
2932
2933	if ($soundconf) {
2934	$soundconf = $enc->decode (delete $soundconf->{data});
2935
2936	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2937	my $sound = $soundconf->{compat}[$_]
2938	or next;
2939
2940	my $face = cf::face::find "sound/$sound->[1]";
2941	cf::sound::set $sound->[0] => $face;
2942	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2943	}
2944
2945	while (my ($k, $v) = each %{$soundconf->{event}}) {
2946	my $face = cf::face::find "sound/$v";
2947	cf::sound::set $k => $face;
2948	}
2949	}
2950	}	3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2951		3285
2952	1	3286	1
2953	}	3287	}
		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
2954		3308
2955	register_exticmd fx_want => sub {	3309	register_exticmd fx_want => sub {
2956	my ($ns, $want) = @_;	3310	my ($ns, $want) = @_;
2957		3311
2958	while (my ($k, $v) = each %$want) {	3312	while (my ($k, $v) = each %$want) {
2959	$ns->fx_want ($k, $v);	3313	$ns->fx_want ($k, $v);
2960	}	3314	}
2961	};	3315	};
2962		3316
2963	sub reload_regions {	3317	sub reload_regions {
		3318	# HACK to clear player env face cache, we need some signal framework
		3319	# for this (global event?)
		3320	%ext::player_env::MUSIC_FACE_CACHE = ();
		3321
2964	load_resource_file "$MAPDIR/regions"	3322	load_resource_file "$MAPDIR/regions"
2965	or die "unable to load regions file\n";	3323	or die "unable to load regions file\n";
2966		3324
2967	for (cf::region::list) {	3325	for (cf::region::list) {
2968	$_->{match} = qr/$_->{match}/	3326	$_->{match} = qr/$_->{match}/
…		…
3004		3362
3005	sub init {	3363	sub init {
3006	reload_resources;	3364	reload_resources;
3007	}	3365	}
3008		3366
3009	sub cfg_load {	3367	sub reload_config {
3010	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
3011	or return;	3369	or return;
3012		3370
3013	local $/;	3371	local $/;
3014	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
3015		3373
3016	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3017		3375
3018	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3019	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3030	sub main {	3388	sub main {
3031	# we must not ever block the main coroutine	3389	# we must not ever block the main coroutine
3032	local $Coro::idle = sub {	3390	local $Coro::idle = sub {
3033	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3391	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3034	(async {	3392	(async {
3035	Event::one_event;	3393	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3394	EV::loop EV::LOOP_ONESHOT;
3036	})->prio (Coro::PRIO_MAX);	3395	})->prio (Coro::PRIO_MAX);
3037	};	3396	};
3038		3397
3039	cfg_load;	3398	reload_config;
3040	db_init;	3399	db_init;
3041	load_extensions;	3400	load_extensions;
3042		3401
3043	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	evthread_start IO::AIO::poll_fileno;
3044	Event::loop;	3404	EV::loop;
3045	}	3405	}
3046		3406
3047	#############################################################################	3407	#############################################################################
3048	# initialisation and cleanup	3408	# initialisation and cleanup
3049		3409
3050	# install some emergency cleanup handlers	3410	# install some emergency cleanup handlers
3051	BEGIN {	3411	BEGIN {
		3412	our %SIGWATCHER = ();
3052	for my $signal (qw(INT HUP TERM)) {	3413	for my $signal (qw(INT HUP TERM)) {
3053	Event->signal (	3414	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3054	reentrant => 0,
3055	data => WF_AUTOCANCEL,
3056	signal => $signal,
3057	prio => 0,
3058	cb => sub {
3059	cf::cleanup "SIG$signal";	3415	cf::cleanup "SIG$signal";
3060	},
3061	);	3416	};
3062	}	3417	}
3063	}	3418	}
3064		3419
3065	sub write_runtime {	3420	sub write_runtime_sync {
3066	my $runtime = "$LOCALDIR/runtime";	3421	my $runtime = "$LOCALDIR/runtime";
3067		3422
3068	# first touch the runtime file to show we are still running:	3423	# first touch the runtime file to show we are still running:
3069	# the fsync below can take a very very long time.	3424	# the fsync below can take a very very long time.
3070		3425
…		…
3096	and return;	3451	and return;
3097		3452
3098	warn "runtime file written.\n";	3453	warn "runtime file written.\n";
3099		3454
3100	1	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
3101	}	3499	}
3102		3500
3103	sub emergency_save() {	3501	sub emergency_save() {
3104	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
3105		3503
…		…
3111	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
3112	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
3113	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
3114	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
3115	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3116	$pl->save;	3515	$pl->save;
3117	}	3516	}
3118	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
3119		3518
3120	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
3126	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
3127		3526
3128	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
3129	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
3130	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
3131	};	3534	};
3132		3535
3133	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
3134	}	3537	}
3135		3538
…		…
3150	warn "reloading...";	3553	warn "reloading...";
3151		3554
3152	warn "entering sync_job";	3555	warn "entering sync_job";
3153		3556
3154	cf::sync_job {	3557	cf::sync_job {
3155	cf::write_runtime; # external watchdog should not bark	3558	cf::write_runtime_sync; # external watchdog should not bark
3156	cf::emergency_save;	3559	cf::emergency_save;
3157	cf::write_runtime; # external watchdog should not bark	3560	cf::write_runtime_sync; # external watchdog should not bark
3158		3561
3159	warn "syncing database to disk";	3562	warn "syncing database to disk";
3160	BDB::db_env_txn_checkpoint $DB_ENV;	3563	BDB::db_env_txn_checkpoint $DB_ENV;
3161		3564
3162	# if anything goes wrong in here, we should simply crash as we already saved	3565	# if anything goes wrong in here, we should simply crash as we already saved
3163
3164	warn "cancelling all WF_AUTOCANCEL watchers";
3165	for (Event::all_watchers) {
3166	$_->cancel if $_->data & WF_AUTOCANCEL;
3167	}
3168		3566
3169	warn "flushing outstanding aio requests";	3567	warn "flushing outstanding aio requests";
3170	for (;;) {	3568	for (;;) {
3171	BDB::flush;	3569	BDB::flush;
3172	IO::AIO::flush;	3570	IO::AIO::flush;
3173	Coro::cede;	3571	Coro::cede_notself;
3174	last unless IO::AIO::nreqs || BDB::nreqs;	3572	last unless IO::AIO::nreqs || BDB::nreqs;
3175	warn "iterate...";	3573	warn "iterate...";
3176	}	3574	}
3177		3575
3178	++$RELOAD;	3576	++$RELOAD;
…		…
3237	warn "reloading cf.pm";	3635	warn "reloading cf.pm";
3238	require cf;	3636	require cf;
3239	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3637	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3240		3638
3241	warn "loading config and database again";	3639	warn "loading config and database again";
3242	cf::cfg_load;	3640	cf::reload_config;
3243		3641
3244	warn "loading extensions";	3642	warn "loading extensions";
3245	cf::load_extensions;	3643	cf::load_extensions;
3246		3644
3247	warn "reattaching attachments to objects/players";	3645	warn "reattaching attachments to objects/players";
…		…
3254	warn "leaving sync_job";	3652	warn "leaving sync_job";
3255		3653
3256	1	3654	1
3257	} or do {	3655	} or do {
3258	warn $@;	3656	warn $@;
3259	warn "error while reloading, exiting.";	3657	cf::cleanup "error while reloading, exiting.";
3260	exit 1;
3261	};	3658	};
3262		3659
3263	warn "reloaded";	3660	warn "reloaded";
3264	};	3661	};
3265		3662
…		…
3267		3664
3268	sub reload_perl() {	3665	sub reload_perl() {
3269	# doing reload synchronously and two reloads happen back-to-back,	3666	# doing reload synchronously and two reloads happen back-to-back,
3270	# coro crashes during coro_state_free->destroy here.	3667	# coro crashes during coro_state_free->destroy here.
3271		3668
3272	$RELOAD_WATCHER ||= Event->timer (	3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3273	reentrant => 0,
3274	after => 0,
3275	data => WF_AUTOCANCEL,
3276	cb => sub {
3277	do_reload_perl;	3670	do_reload_perl;
3278	undef $RELOAD_WATCHER;	3671	undef $RELOAD_WATCHER;
3279	},
3280	);	3672	};
3281	}	3673	}
3282		3674
3283	register_command "reload" => sub {	3675	register_command "reload" => sub {
3284	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
3285		3677
3286	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
3287	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
		3680	async {
		3681	$Coro::current->{desc} = "perl_reload";
3288	async { reload_perl };	3682	reload_perl;
		3683	};
3289	}	3684	}
3290	};	3685	};
3291		3686
3292	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
3293		3688
…		…
3295		3690
3296	our @WAIT_FOR_TICK;	3691	our @WAIT_FOR_TICK;
3297	our @WAIT_FOR_TICK_BEGIN;	3692	our @WAIT_FOR_TICK_BEGIN;
3298		3693
3299	sub wait_for_tick {	3694	sub wait_for_tick {
3300	return unless $TICK_WATCHER->is_active;	3695	return if tick_inhibit;
3301	return if $Coro::current == $Coro::main;	3696	return if $Coro::current == $Coro::main;
3302		3697
3303	my $signal = new Coro::Signal;	3698	my $signal = new Coro::Signal;
3304	push @WAIT_FOR_TICK, $signal;	3699	push @WAIT_FOR_TICK, $signal;
3305	$signal->wait;	3700	$signal->wait;
3306	}	3701	}
3307		3702
3308	sub wait_for_tick_begin {	3703	sub wait_for_tick_begin {
3309	return unless $TICK_WATCHER->is_active;	3704	return if tick_inhibit;
3310	return if $Coro::current == $Coro::main;	3705	return if $Coro::current == $Coro::main;
3311		3706
3312	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
3313	push @WAIT_FOR_TICK_BEGIN, $signal;	3708	push @WAIT_FOR_TICK_BEGIN, $signal;
3314	$signal->wait;	3709	$signal->wait;
3315	}	3710	}
3316		3711
3317	my $min = 1e6;#d#	3712	sub tick {
3318	my $avg = 10;
3319	$TICK_WATCHER = Event->timer (
3320	reentrant => 0,
3321	parked => 1,
3322	prio => 0,
3323	at => $NEXT_TICK || $TICK,
3324	data => WF_AUTOCANCEL,
3325	cb => sub {
3326	if ($Coro::current != $Coro::main) {	3713	if ($Coro::current != $Coro::main) {
3327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3714	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3328	unless ++$bug_warning > 10;	3715	unless ++$bug_warning > 10;
3329	return;	3716	return;
3330	}	3717	}
3331		3718
3332	$NOW = $tick_start = Event::time;
3333
3334	cf::server_tick; # one server iteration	3719	cf::server_tick; # one server iteration
3335		3720
3336	0 && sync_job {#d#	3721	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3337	for(1..10) {	3722	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3338	my $t = Event::time;	3723	Coro::async_pool {
3339	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3724	$Coro::current->{desc} = "runtime saver";
3340	or die;	3725	write_runtime_sync
3341		3726	or warn "ERROR: unable to write runtime file: $!";
3342	$map->width (50);
3343	$map->height (50);
3344	$map->alloc;
3345	$map->_load_objects ("/tmp/x.map", 1);
3346	my $t = Event::time - $t;
3347
3348	#next unless $t < 0.0013;#d#
3349	if ($t < $min) {
3350	$min = $t;
3351	}
3352	$avg = $avg * 0.99 + $t * 0.01;
3353	}
3354	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3355	exit 0;
3356	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3357	};	3727	};
		3728	}
3358		3729
3359	$RUNTIME += $TICK;
3360	$NEXT_TICK += $TICK;
3361
3362	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3363	$NEXT_RUNTIME_WRITE = $NOW + 10;
3364	Coro::async_pool {
3365	write_runtime
3366	or warn "ERROR: unable to write runtime file: $!";
3367	};
3368	}
3369
3370	# my $AFTER = Event::time;
3371	# warn $AFTER - $NOW;#d#
3372
3373	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3730	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3374	$sig->send;	3731	$sig->send;
3375	}	3732	}
3376	while (my $sig = shift @WAIT_FOR_TICK) {	3733	while (my $sig = shift @WAIT_FOR_TICK) {
3377	$sig->send;	3734	$sig->send;
3378	}	3735	}
3379		3736
3380	$NOW = Event::time;	3737	$LOAD = ($NOW - $TICK_START) / $TICK;
3381
3382	# if we are delayed by four ticks or more, skip them all
3383	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3384
3385	$TICK_WATCHER->at ($NEXT_TICK);
3386	$TICK_WATCHER->start;
3387
3388	$LOAD = ($NOW - $tick_start) / $TICK;
3389	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3738	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3390		3739
3391	_post_tick;	3740	if (0) {
3392		3741	if ($NEXT_TICK) {
3393		3742	my $jitter = $TICK_START - $NEXT_TICK;
		3743	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3744	warn "jitter $JITTER\n";#d#
		3745	}
3394	},	3746	}
3395	);	3747	}
3396		3748
3397	{	3749	{
3398	BDB::max_poll_time $TICK * 0.1;	3750	# configure BDB
3399	$BDB_POLL_WATCHER = Event->io (	3751
3400	reentrant => 0,
3401	fd => BDB::poll_fileno,
3402	poll => 'r',
3403	prio => 0,
3404	data => WF_AUTOCANCEL,
3405	cb => \&BDB::poll_cb,
3406	);
3407	BDB::min_parallel 8;	3752	BDB::min_parallel 8;
3408		3753	BDB::max_poll_reqs $TICK * 0.1;
3409	BDB::set_sync_prepare {	3754	$Coro::BDB::WATCHER->priority (1);
3410	my $status;
3411	my $current = $Coro::current;
3412	(
3413	sub {
3414	$status = $!;
3415	$current->ready; undef $current;
3416	},
3417	sub {
3418	Coro::schedule while defined $current;
3419	$! = $status;
3420	},
3421	)
3422	};
3423		3755
3424	unless ($DB_ENV) {	3756	unless ($DB_ENV) {
3425	$DB_ENV = BDB::db_env_create;	3757	$DB_ENV = BDB::db_env_create;
		3758	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3759	| BDB::LOG_AUTOREMOVE, 1);
		3760	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3761	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3426		3762
3427	cf::sync_job {	3763	cf::sync_job {
3428	eval {	3764	eval {
3429	BDB::db_env_open	3765	BDB::db_env_open
3430	$DB_ENV,	3766	$DB_ENV,
…		…
3432	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3433	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3434	0666;	3770	0666;
3435		3771
3436	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3772	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3437
3438	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3439	$DB_ENV->set_lk_detect;
3440	};	3773	};
3441		3774
3442	cf::cleanup "db_env_open(db): $@" if $@;	3775	cf::cleanup "db_env_open(db): $@" if $@;
3443	};	3776	};
3444	}	3777	}
		3778
		3779	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3780	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3781	};
		3782	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3783	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3784	};
		3785	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3786	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3787	};
3445	}	3788	}
3446		3789
3447	{	3790	{
		3791	# configure IO::AIO
		3792
3448	IO::AIO::min_parallel 8;	3793	IO::AIO::min_parallel 8;
3449
3450	undef $Coro::AIO::WATCHER;
3451	IO::AIO::max_poll_time $TICK * 0.1;	3794	IO::AIO::max_poll_time $TICK * 0.1;
3452	$AIO_POLL_WATCHER = Event->io (	3795	$Coro::AIO::WATCHER->priority (1);
3453	reentrant => 0,
3454	data => WF_AUTOCANCEL,
3455	fd => IO::AIO::poll_fileno,
3456	poll => 'r',
3457	prio => 6,
3458	cb => \&IO::AIO::poll_cb,
3459	);
3460	}	3796	}
3461		3797
3462	my $_log_backtrace;	3798	my $_log_backtrace;
3463		3799
3464	sub _log_backtrace {	3800	sub _log_backtrace {
…		…
3468		3804
3469	# limit the # of concurrent backtraces	3805	# limit the # of concurrent backtraces
3470	if ($_log_backtrace < 2) {	3806	if ($_log_backtrace < 2) {
3471	++$_log_backtrace;	3807	++$_log_backtrace;
3472	async {	3808	async {
		3809	$Coro::current->{desc} = "abt $msg";
		3810
3473	my @bt = fork_call {	3811	my @bt = fork_call {
3474	@addr = map { sprintf "%x", $_ } @addr;	3812	@addr = map { sprintf "%x", $_ } @addr;
3475	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3813	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3476	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3814	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3477	or die "addr2line: $!";	3815	or die "addr2line: $!";

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