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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC vs.
Revision 1.425 by root, Mon Apr 21 06:35:26 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
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	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
38	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
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44		64
45	$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
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
…		…
67	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
70	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
71	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
72		93
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	97	our $NEXT_TICK;
78	our $NOW;
79	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
80		99
81	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
82	our $DB_ENV;	104	our $DB_ENV;
83		105
84	our %CFG;	106	our %CFG;
85		107
86	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
87	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
88		111
89	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
90	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
91	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
92		115
93	# 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 ∕
94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
95		118
96	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)
97	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
98	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
99		123
100	binmode STDOUT;	124	binmode STDOUT;
101	binmode STDERR;	125	binmode STDERR;
102		126
103	# read virtual server time, if available	127	# read virtual server time, if available
…		…
156		180
157	The raw value load value from the last tick.	181	The raw value load value from the last tick.
158		182
159	=item %cf::CFG	183	=item %cf::CFG
160		184
161	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
162	from wherever your confdir points to.	186	from wherever your confdir points to.
163		187
164	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
165		189
166	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
167	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
168	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
169		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
170	=back	200	=back
171		201
172	=cut	202	=cut
173		203
174	BEGIN {	204	BEGIN {
…		…
178	$msg .= "\n"	208	$msg .= "\n"
179	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
180		210
181	$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;
182		212
183	utf8::encode $msg;
184	LOG llevError, $msg;	213	LOG llevError, $msg;
185	};	214	};
186	}	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	$SIG{__DIE__} = sub { }; #d#?
187		231
188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
204	)) {	248	)) {
205	no strict 'refs';	249	no strict 'refs';
206	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
207	}	251	}
208		252
209	$Event::DIED = sub {	253	$EV::DIED = sub {
210	warn "error in event callback: @_";	254	warn "error in event callback: @_";
211	};	255	};
212		256
213	#############################################################################	257	#############################################################################
214		258
…		…
237	$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;
238	$d	282	$d
239	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
240	}	284	}
241		285
242	use JSON::XS ();
243
244	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
245		287
246	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
247		289
248	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
249		291
250	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
251		293
252	=cut	294	=cut
253		295
254	our $json_coder = JSON::XS->new->convert_blessed->utf8;	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		297
256	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
258		300
259	=item cf::lock_wait $string	301	=item cf::lock_wait $string
260		302
261	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
262		304
…		…
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
268	returned.	310	returned.
269		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
270	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
271	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
272		317
273	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
274		319
275	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
276		321
277	=cut	322	=cut
278		323
279	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
280		326
281	sub lock_wait($) {	327	sub lock_wait($) {
282	my ($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#
283		334
284	# wait for lock, if any	335	# wait for lock, if any
285	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;	338	Coro::schedule;
…		…
293		344
294	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
295	lock_wait $key;	346	lock_wait $key;
296		347
297	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
298		350
299	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
300	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
302	}	355	}
303	}	356	}
304		357
…		…
307		360
308	! ! $LOCK{$key}	361	! ! $LOCK{$key}
309	}	362	}
310		363
311	sub freeze_mainloop {	364	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
313		366
314	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
315	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
316	};	428	}
317	$TICK_WATCHER->stop;	429	};
318	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
319	}	443	}
320		444
321	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
322		446
323	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		452
329	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
330		454
331	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
332		456
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	457	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	458	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	460	acceptable.
337		461
338	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		468
345	sub sync_job(&) {	469	sub sync_job(&) {
346	my ($job) = @_;	470	my ($job) = @_;
347		471
348	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	473	my $time = EV::time;
350		474
351	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
353		477
354	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	479
356	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
357		481
358	my $busy = 1;	482	my $busy = 1;
359	my @res;	483	my @res;
360		484
361	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	487	@res = eval { $job->() };
363	warn $@ if $@;	488	warn $@ if $@;
364	undef $busy;	489	undef $busy;
365	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
366		491
367	while ($busy) {	492	while ($busy) {
368	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
369	}	497	}
		498	}
370		499
371	$time = Event::time - $time;	500	my $time = EV::time - $time;
372		501
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
377		503
378	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
379	} else {	505	} else {
380	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
381		507
…		…
406	=item fork_call { }, $args	532	=item fork_call { }, $args
407		533
408	Executes the given code block with the given arguments in a seperate	534	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	535	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	536	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	537	never block itself or use any form of event handling.
412		538
413	=cut	539	=cut
414		540
415	sub fork_call(&@) {	541	sub fork_call(&@) {
416	my ($cb, @args) = @_;	542	my ($cb, @args) = @_;
417		543
418	# 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,
419	# or die "socketpair: $!";	545	# otherwise perl prematurely frees the stuff :/
420	pipe my $fh1, my $fh2	546	# TODO: investigate and fix (likely this will be rather laborious)
421	or die "pipe: $!";
422		547
423	if (my $pid = fork) {	548	my @res = Coro::Util::fork_eval {
424	close $fh2;
425
426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	die $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	549	reset_signals;
436	local $SIG{__WARN__};	550	&$cb
437	local $SIG{__DIE__};	551	}, @args;
438	eval {
439	close $fh1;
440		552
441	my @res = eval { $cb->(@args) };	553	wantarray ? @res : $res[-1]
442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	554	}
443	};
444		555
445	warn $@ if $@;	556	=item $coin = coin_from_name $name
446	_exit 0;	557
447	}	558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
448	}	581	}
449		582
450	=item $value = cf::db_get $family => $key	583	=item $value = cf::db_get $family => $key
451		584
452	Returns a single value from the environment database.	585	Returns a single value from the environment database.
…		…
454	=item cf::db_put $family => $key => $value	587	=item cf::db_put $family => $key => $value
455		588
456	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
457	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).
458		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
459	=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	}
460		615
461	our $DB;	616	our $DB;
462		617
463	sub db_init {	618	sub db_init {
464	unless ($DB) {
465	$DB = BDB::db_create $DB_ENV;
466
467	cf::sync_job {	619	cf::sync_job {
468	eval {	620	$DB ||= db_table "db";
469	$DB->set_flags (BDB::CHKSUM);
470
471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
473	cf::cleanup "db_open(db): $!" if $!;
474	};
475	cf::cleanup "db_open(db): $@" if $@;
476	};
477	}	621	};
478	}	622	}
479		623
480	sub db_get($$) {	624	sub db_get($$) {
481	my $key = "$_[0]/$_[1]";	625	my $key = "$_[0]/$_[1]";
482		626
…		…
532	if (1) {	676	if (1) {
533	$md5 =	677	$md5 =
534	join "\x00",	678	join "\x00",
535	$processversion,	679	$processversion,
536	map {	680	map {
537	Coro::cede;	681	cf::cede_to_tick;
538	($src->[$_], Digest::MD5::md5_hex $data[$_])	682	($src->[$_], Digest::MD5::md5_hex $data[$_])
539	} 0.. $#$src;	683	} 0.. $#$src;
540		684
541		685
542	my $dbmd5 = db_get cache => "$id/md5";	686	my $dbmd5 = db_get cache => "$id/md5";
…		…
586	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")
587	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
588		732
589	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>
590	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
591	Crossfire TRT).	735	Deliantra).
592		736
593	=over 4	737	=over 4
594		738
595	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
596		740
…		…
848	";	992	";
849	die if $@;	993	die if $@;
850	}	994	}
851		995
852	our $override;	996	our $override;
853	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
854		998
855	sub override {	999	sub override {
856	$override = 1;	1000	$override = 1;
857	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
858	}	1002	}
859		1003
860	sub do_invoke {	1004	sub do_invoke {
861	my $event = shift;	1005	my $event = shift;
862	my $callbacks = shift;	1006	my $callbacks = shift;
863		1007
864	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
865		1009
866	local $override;	1010	local $override;
867		1011
868	for (@$callbacks) {	1012	for (@$callbacks) {
869	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
878	}	1022	}
879		1023
880	0	1024	0
881	}	1025	}
882		1026
883	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
884		1028
885	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
886		1030
887	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
888		1032
889	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
890	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
891	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
892		1036
893	=back	1037	=back
894		1038
895	=cut	1039	=cut
896		1040
897	#############################################################################	1041	#############################################################################
898	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
899		1085
900	sub reattach {	1086	sub reattach {
901	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
902	my ($obj) = @_;	1088	my ($obj) = @_;
903		1089
…		…
924	cf::attachable->attach (	1110	cf::attachable->attach (
925	prio => -1000000,	1111	prio => -1000000,
926	on_instantiate => sub {	1112	on_instantiate => sub {
927	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
928		1114
929	$data = from_json $data;	1115	$data = decode_json $data;
930		1116
931	for (@$data) {	1117	for (@$data) {
932	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
933		1119
934	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
950	sub object_freezer_save {	1136	sub object_freezer_save {
951	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
952		1138
953	sync_job {	1139	sync_job {
954	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
955	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
956	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
957		1144
958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
959	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
962	close $fh;	1149	close $fh;
963		1150
964	if (@$objs) {	1151	if (@$objs) {
965	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) {
966	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
967	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
968	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
969	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
970	close $fh;	1157	close $fh;
971	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
972	}	1159	}
…		…
980	}	1167	}
981	} else {	1168	} else {
982	aio_unlink $filename;	1169	aio_unlink $filename;
983	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
984	}	1171	}
985	}	1172	};
986	}	1173	}
987		1174
988	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
989	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
990		1177
…		…
1002	or return;	1189	or return;
1003		1190
1004	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
1005	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
1006	or return;	1193	or return;
		1194
1007	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
1008	}	1197	}
1009		1198
		1199	utf8::decode (my $decname = $filename);
1010	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
1011	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
		1202
1012	return ($data, $av);	1203	($data, $av)
1013	}	1204	}
1014		1205
1015	=head2 COMMAND CALLBACKS	1206	=head2 COMMAND CALLBACKS
1016		1207
1017	=over 4	1208	=over 4
…		…
1087	cf::override;	1278	cf::override;
1088	},	1279	},
1089	on_extcmd => sub {	1280	on_extcmd => sub {
1090	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
1091		1282
1092	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1093		1284
1094	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
1095	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
1096	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
1097	$pl->ext_reply ($msg->{msgid}, %reply);
1098	}
1099	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
1100	} else {	1300	} else {
1101	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1102	}	1302	}
1103		1303
1104	cf::override;	1304	cf::override;
…		…
1157	my $msg = $@ ? "$v->{path}: $@\n"	1357	my $msg = $@ ? "$v->{path}: $@\n"
1158	: "$v->{base}: extension inactive.\n";	1358	: "$v->{base}: extension inactive.\n";
1159		1359
1160	if (exists $v->{meta}{mandatory}) {	1360	if (exists $v->{meta}{mandatory}) {
1161	warn $msg;	1361	warn $msg;
1162	warn "mandatory extension failed to load, exiting.\n";	1362	cf::cleanup "mandatory extension failed to load, exiting.";
1163	exit 1;
1164	}	1363	}
1165		1364
1166	warn $msg;	1365	warn $msg;
1167	}	1366	}
1168		1367
…		…
1193	use Coro::AIO;	1392	use Coro::AIO;
1194		1393
1195	=head3 cf::player	1394	=head3 cf::player
1196		1395
1197	=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	}
1198		1411
1199	=item cf::player::find $login	1412	=item cf::player::find $login
1200		1413
1201	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1202		1415
…		…
1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1241	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1242		1455
1243	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1244	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;
1245	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1246	}	1464	}
1247	}	1465	}
1248	}	1466	}
1249		1467
…		…
1258	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1259		1477
1260	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1261	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1262		1480
		1481	cf::get_slot 0.01;
		1482
1263	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1264	Coro::cede;	1484	cf::cede_to_tick;
1265	}	1485	}
1266		1486
1267	sub new($) {	1487	sub new($) {
1268	my ($login) = @_;	1488	my ($login) = @_;
1269		1489
…		…
1273	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1274		1494
1275	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1276		1496
1277	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1278	}	1508	}
1279		1509
1280	=item $pl->quit_character	1510	=item $pl->quit_character
1281		1511
1282	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1337	or return [];	1567	or return [];
1338		1568
1339	my @logins;	1569	my @logins;
1340		1570
1341	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") {
1342	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1343	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1344	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1345		1580
1346	utf8::decode $login;	1581	utf8::decode $login;
1347	push @logins, $login;	1582	push @logins, $login;
1348	}	1583	}
1349		1584
…		…
1382		1617
1383	Expand crossfire pod fragments into protocol xml.	1618	Expand crossfire pod fragments into protocol xml.
1384		1619
1385	=cut	1620	=cut
1386		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
1387	sub expand_cfpod {	1633	sub expand_cfpod {
1388	((my $self), (local $_)) = @_;	1634	my ($self, $pod) = @_;
1389		1635
1390	# escape & and <	1636	my $xml;
1391	s/&/&amp;/g;
1392	s/(?<![BIUGH])</&lt;/g;
1393		1637
1394	# this is buggy, it needs to properly take care of nested <'s	1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
1395		1641
1396	1 while	1642	$group =~ s/&/&amp;/g;
1397	# replace B<>, I<>, U<> etc.	1643	$group =~ s/</&lt;/g;
1398	s/B<([^\>]*)>/<b>$1<\/b>/	1644
1399	|| s/I<([^\>]*)>/<i>$1<\/i>/	1645	$xml .= $group;
1400	|| s/U<([^\>]*)>/<u>$1<\/u>/	1646	} elsif ($pod =~ m%\G
1401	# replace G<male|female> tags	1647	([BCGHITU])
1402	|| s{G<([^>|]*)\|([^>]*)>}{	1648	<
1403	$self->gender ? $2 : $1	1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		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") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
1404	}ge	1685	}
1405	# replace H<hint text>	1686	}
1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1407		1687
		1688	for ($xml) {
1408	# create single paragraphs (very hackish)	1689	# create single paragraphs (very hackish)
1409	s/(?<=\S)\n(?=\w)/ /g;	1690	s/(?<=\S)\n(?=\w)/ /g;
1410		1691
1411	$_	1692	# compress some whitespace
1412	}	1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
1413		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1414	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1415		1710
1416	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1417		1712
1418	=cut	1713	=cut
1419		1714
1420	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1421	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1422		1717
1423	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1424	$self->send ("ext " . cf::to_json \%msg);
1425	}	1719	}
1426		1720
1427	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1428		1722
1429	Sends an ext event to the client.	1723	Sends an ext event to the client.
1430		1724
1431	=cut	1725	=cut
1432		1726
1433	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1434	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1435		1729
1436	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1437	}	1731	}
1438		1732
1439	=head3 cf::region	1733	=head3 cf::region
1440		1734
1441	=over 4	1735	=over 4
…		…
1454	my ($path) = @_;	1748	my ($path) = @_;
1455		1749
1456	my ($match, $specificity);	1750	my ($match, $specificity);
1457		1751
1458	for my $region (list) {	1752	for my $region (list) {
1459	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1460	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1461	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1462	}	1756	}
1463	}	1757	}
1464		1758
…		…
1485	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1486	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1487		1781
1488	sub generate_random_map {	1782	sub generate_random_map {
1489	my ($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
1490	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1491	$self->_create_random_map (	1788	$self->_create_random_map (
1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1584	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1585	return $self;	1882	return $self;
1586	}	1883	}
1587	}	1884	}
1588		1885
1589	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1590	()	1887	()
1591	}	1888	}
1592		1889
1593	sub init {	1890	sub init {
1594	my ($self) = @_;	1891	my ($self) = @_;
…		…
1616		1913
1617	# the temporary/swap location	1914	# the temporary/swap location
1618	sub save_path {	1915	sub save_path {
1619	my ($self) = @_;	1916	my ($self) = @_;
1620		1917
1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1622	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1623	}	1920	}
1624		1921
1625	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1626	sub uniq_path {	1923	sub uniq_path {
1627	my ($self) = @_;	1924	my ($self) = @_;
1628		1925
1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1630	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1631	}	1928	}
1632		1929
1633	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1634	# all maps in C++...	1931	# all maps in C++...
…		…
1657		1954
1658	sub load_header_from($) {	1955	sub load_header_from($) {
1659	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1660		1957
1661	utf8::encode $path;	1958	utf8::encode $path;
1662	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1663	# or return;
1664
1665	$self->_load_header ($path)
1666	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;
1667		1967
1668	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1669		1969
1670	1	1970	1
1671	}	1971	}
…		…
1725	sub find {	2025	sub find {
1726	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1727		2027
1728	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1729		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1730	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1731		2032
1732	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1733	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
1734	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1735	or return;	2038	or return;
1736		2039
1737	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1738		2041
…		…
1740	or return;	2043	or return;
1741		2044
1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1743	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1744	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1745	$map->reset;	2050	$map->reset;
1746	undef $guard;
1747	return find $path;	2051	return find $path;
1748	}	2052	}
1749		2053
1750	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1751	}	2055	}
…		…
1760	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1761		2065
1762	my $path = $self->{path};	2066	my $path = $self->{path};
1763		2067
1764	{	2068	{
1765	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1766		2070
		2071	return unless $self->valid;
1767	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1768		2073
1769	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1770		2075
1771	$self->alloc;	2076	$self->alloc;
1772		2077
1773	$self->pre_load;	2078	$self->pre_load;
1774	Coro::cede;	2079	cf::cede_to_tick;
1775		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1776	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1777	or return;	2084	or return;
1778		2085
1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1780	if delete $self->{load_original};	2087	if delete $self->{load_original};
1781		2088
1782	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1783	utf8::encode $uniq;	2090	utf8::encode $uniq;
1784	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1785	$self->clear_unique_items;	2093	$self->clear_unique_items;
1786	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1787	}	2097	}
1788	}	2098	}
1789		2099
1790	Coro::cede;	2100	$f->resolve_delayed_derefs;
		2101
		2102	cf::cede_to_tick;
1791	# now do the right thing for maps	2103	# now do the right thing for maps
1792	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1793	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1794	unless $self->difficulty;	2106	unless $self->difficulty;
1795	Coro::cede;	2107	cf::cede_to_tick;
1796		2108
1797	unless ($self->{deny_activate}) {	2109	unless ($self->{deny_activate}) {
1798	$self->decay_objects;	2110	$self->decay_objects;
1799	$self->fix_auto_apply;	2111	$self->fix_auto_apply;
1800	$self->update_buttons;	2112	$self->update_buttons;
1801	Coro::cede;	2113	cf::cede_to_tick;
1802	$self->set_darkness_map;	2114	$self->set_darkness_map;
1803	Coro::cede;	2115	cf::cede_to_tick;
1804	$self->activate;	2116	$self->activate;
1805	}	2117	}
1806		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1807	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1808	}	2123	}
1809		2124
1810	$self->post_load;	2125	$self->post_load;
1811	}	2126	}
1812		2127
…		…
1821		2136
1822	$self	2137	$self
1823	}	2138	}
1824		2139
1825	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1826	sub load_diag {	2141	sub load_neighbours {
1827	my ($map) = @_;	2142	my ($map) = @_;
1828		2143
1829	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1830		2145
1831	for (0 .. 3) {	2146	for (0 .. 3) {
1832	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1833	or next;	2148	or next;
1834	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1835	or next;	2150	or next;
1836	$neigh->load;	2151	$neigh->load;
1837		2152
		2153	push @neigh,
1838	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1839	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1840	}	2156	}
1841		2157
1842	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1843	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1844	or next;	2161	or next;
1845	$neigh->load;	2162	$neigh->load;
1846	}	2163	}
1847	}	2164	}
1848		2165
…		…
1853	}	2170	}
1854		2171
1855	sub do_load_sync {	2172	sub do_load_sync {
1856	my ($map) = @_;	2173	my ($map) = @_;
1857		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1858	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1859	}	2179	}
1860		2180
1861	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1862	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1863		2183
1864	sub find_async {	2184	sub find_async {
1865	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1866		2186
1867	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1868		2188
1869	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1870	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1871	}	2191	}
1872		2192
1873	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1874	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1875	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1876	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1877	my $map = find $path	2200	if (my $map = find $k) {
1878	or next;
1879	$map->load;	2201	$map->load if $v;
		2202	}
1880		2203
1881	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1882	}	2205	}
1883	}	2206	}
1884	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1885	};	2208	};
1886	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1889	}	2212	}
1890		2213
1891	sub save {	2214	sub save {
1892	my ($self) = @_;	2215	my ($self) = @_;
1893		2216
1894	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1895		2218
1896	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1897		2220
1898	return unless $self->dirty;	2221	return unless $self->dirty;
1899		2222
…		…
1905	return if $self->{deny_save};	2228	return if $self->{deny_save};
1906		2229
1907	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1908		2231
1909	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1910	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1911	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1912		2238
1913	if ($uniq) {	2239	if ($uniq) {
1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1916	} else {	2242	} else {
…		…
1922	my ($self) = @_;	2248	my ($self) = @_;
1923		2249
1924	# save first because save cedes	2250	# save first because save cedes
1925	$self->save;	2251	$self->save;
1926		2252
1927	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1928		2254
1929	return if $self->players;	2255	return if $self->players;
1930	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1931	return if $self->{deny_save};	2257	return if $self->{deny_save};
1932		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1933	$self->clear;	2263	$self->clear;
1934	$self->in_memory (cf::MAP_SWAPPED);
1935	}	2264	}
1936		2265
1937	sub reset_at {	2266	sub reset_at {
1938	my ($self) = @_;	2267	my ($self) = @_;
1939		2268
…		…
1971	if $uniq;	2300	if $uniq;
1972	}	2301	}
1973		2302
1974	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1975		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1976	$self->clear;	2307	$self->clear;
1977
1978	$_->clear_links_to ($self) for values %cf::MAP;
1979		2308
1980	$self->unlink_save;	2309	$self->unlink_save;
1981	$self->destroy;	2310	$self->destroy;
1982	}	2311	}
1983		2312
1984	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1985		2314
1986	sub nuke {	2315	sub nuke {
1987	my ($self) = @_;	2316	my ($self) = @_;
1988		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1989	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1990		2322
1991	$self->unlink_save;	2323	$self->unlink_save;
1992		2324
1993	bless $self, "cf::map";	2325	bless $self, "cf::map";
1994	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1995	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1996	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1998		2330
1999	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
2000		2333
2001	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
2002	}	2335	}
2003		2336
2004	=item $maps = cf::map::tmp_maps	2337	=item $maps = cf::map::tmp_maps
…		…
2046		2379
2047	sub unique_maps() {	2380	sub unique_maps() {
2048	[	2381	[
2049	map {	2382	map {
2050	utf8::decode $_;	2383	utf8::decode $_;
2051	/\.map$/	2384	s/\.map$//; # TODO future compatibility hack
		2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2386	? ()
2052	? normalise $_	2387	: normalise $_
2053	: ()
2054	} @{ aio_readdir $UNIQUEDIR or [] }	2388	} @{ aio_readdir $UNIQUEDIR or [] }
2055	]	2389	]
2056	}	2390	}
2057		2391
2058	package cf;
2059
2060	=back	2392	=back
2061		2393
2062	=head3 cf::object	2394	=head3 cf::object
2063		2395
2064	=cut	2396	=cut
…		…
2067		2399
2068	=over 4	2400	=over 4
2069		2401
2070	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
2071		2403
2072	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.
2073		2406
2074	=cut	2407	=cut
2075		2408
2076	sub inv_recursive_;	2409	sub inv_recursive_;
2077	sub inv_recursive_ {	2410	sub inv_recursive_ {
2078	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
2079	}	2412	}
2080		2413
2081	sub inv_recursive {	2414	sub inv_recursive {
2082	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	}
2083	}	2444	}
2084		2445
2085	package cf;	2446	package cf;
2086		2447
2087	=back	2448	=back
…		…
2111		2472
2112	} else {	2473	} else {
2113	my $pl = $self->contr;	2474	my $pl = $self->contr;
2114		2475
2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2116	my $diag = $pl->{npc_dialog};	2477	my $dialog = $pl->{npc_dialog};
2117	$diag->{pl}->ext_reply (	2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2118	$diag->{id},
2119	msgtype => "reply",
2120	msg => $diag->{pl}->expand_cfpod ($msg),
2121	add_topics => []
2122	);
2123		2479
2124	} else {	2480	} else {
2125	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
2126	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
2127	}	2483	}
2128	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
2129	}	2495	}
2130		2496
2131	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
2132		2498
2133	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
2212	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
2213	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
2214	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
2215		2581
2216	$map->load;	2582	$map->load;
2217	$map->load_diag;	2583	$map->load_neighbours;
2218		2584
2219	return unless $self->contr->active;	2585	return unless $self->contr->active;
2220	$self->activate_recursive;	2586	$self->activate_recursive;
2221		2587
2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2223	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
2224	}	2590	}
2225		2591
2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2227		2593
2228	Moves the player to the given map-path and coordinates by first freezing	2594	Moves the player to the given map-path and coordinates by first freezing
2229	her, loading and preparing them map, calling the provided $check callback	2595	her, loading and preparing them map, calling the provided $check callback
2230	that has to return the map if sucecssful, and then unfreezes the player on	2596	that has to return the map if sucecssful, and then unfreezes the player on
2231	the new (success) or old (failed) map position.	2597	the new (success) or old (failed) map position. In either case, $done will
		2598	be called at the end of this process.
2232		2599
2233	=cut	2600	=cut
2234		2601
2235	our $GOTOGEN;	2602	our $GOTOGEN;
2236		2603
2237	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
2238	my ($self, $path, $x, $y, $check) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
2239		2606
2240	# do generation counting so two concurrent goto's will be executed in-order	2607	# do generation counting so two concurrent goto's will be executed in-order
2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2242		2609
2243	$self->enter_link;	2610	$self->enter_link;
2244		2611
2245	(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
2246	my $map = eval {	2634	my $map = eval {
2247	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
2248		2636
2249	if ($map) {	2637	if ($map) {
2250	$map = $map->customise_for ($self);	2638	$map = $map->customise_for ($self);
2251	$map = $check->($map) if $check && $map;	2639	$map = $check->($map) if $check && $map;
2252	} else {	2640	} else {
2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2254	}	2642	}
2255		2643
2256	$map	2644	$map
2257	};	2645	};
2258		2646
…		…
2263		2651
2264	if ($gen == $self->{_goto_generation}) {	2652	if ($gen == $self->{_goto_generation}) {
2265	delete $self->{_goto_generation};	2653	delete $self->{_goto_generation};
2266	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
2267	}	2655	}
		2656
		2657	$done->() if $done;
2268	})->prio (1);	2658	})->prio (1);
2269	}	2659	}
2270		2660
2271	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
2272		2662
…		…
2309	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2310	}	2700	}
2311		2701
2312	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2313		2703
2314	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2315	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2316	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2317		2707
2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2319	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2341	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
2342	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
2343		2733
2344	$self->enter_link;	2734	$self->enter_link;
2345		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
2346	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2347	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2348	unless (eval {	2744	unless (eval {
2349	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2350		2746
2351	1;	2747	1;
…		…
2377		2773
2378	utf8::encode $text;	2774	utf8::encode $text;
2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2380	}	2776	}
2381		2777
2382	=item $client->send_msg ($color, $type, $msg, [extra...])	2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
2383		2779
2384	Send a drawinfo or msg packet to the client, formatting the msg for the	2780	Send a drawinfo or msg packet to the client, formatting the msg for the
2385	client if neccessary. C<$type> should be a string identifying the type of	2781	client if neccessary. C<$type> should be a string identifying the type of
2386	the message, with C<log> being the default. If C<$color> is negative, suppress	2782	the message, with C<log> being the default. If C<$color> is negative, suppress
2387	the message unless the client supports the msg packet.	2783	the message unless the client supports the msg packet.
2388		2784
2389	=cut	2785	=cut
2390		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
2391	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2392	my ($self, $color, $type, $msg, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2393		2841
2394	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg);
2395		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($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
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
2396	if ($self->can_msg) {	2868	if ($self->can_msg) {
2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);	2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2398	} else {	2875	} else {
2399	# replace some tags by gcfclient-compatible ones
2400	for ($msg) {
2401	1 while
2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2407	}
2408
2409	if ($color >= 0) {	2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
2410	if (0 && $msg =~ /\[/) {	2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
2411	$self->send_packet ("drawextinfo $color 4 0 $msg")	2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
2412	} else {	2894	} else {
2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2414	$self->send_packet ("drawinfo $color $msg")	2896	$self->send_packet ("drawinfo $color $msg")
2415	}	2897	}
2416	}	2898	}
2417	}	2899	}
2418	}	2900	}
2419		2901
2420	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2421		2903
2422	Sends an ext event to the client.	2904	Sends an ext event to the client.
2423		2905
2424	=cut	2906	=cut
2425		2907
2426	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2427	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2428		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2429	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2430	$self->send_packet ("ext " . cf::to_json \%msg);	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;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2431	}	2935	}
2432		2936
2433	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2434		2938
2435	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
…		…
2458		2962
2459	1	2963	1
2460	}	2964	}
2461		2965
2462	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2463	on_reply => sub {	2972	on_reply => sub {
2464	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2465		2974
2466	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2467	# get handled first	2976	# get handled first
…		…
2482	}	2991	}
2483	},	2992	},
2484	on_exticmd => sub {	2993	on_exticmd => sub {
2485	my ($ns, $buf) = @_;	2994	my ($ns, $buf) = @_;
2486		2995
2487	my $msg = eval { from_json $buf };	2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2488		2997
2489	if (ref $msg) {	2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3006	if (my $cb = $EXTICMD{$type}) {
2491	if (my %reply = $cb->($ns, $msg)) {	3007	@reply = $cb->($ns, @payload);
2492	$reply{msgid} = $msg->{msgid};
2493	$ns->send ("ext " . cf::to_json \%reply);
2494	}
2495	}	3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
2496	} else {	3013	} else {
2497	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";
2498	}	3015	}
2499		3016
2500	cf::override;	3017	cf::override;
…		…
2547	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2548	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2549		3066
2550	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2551		3068
2552	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2553		3074
2554	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2555		3076
2556	=pod	3077	=pod
2557		3078
2558	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2559		3080
2560	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease split
		3084
2561	cf::object::player player	3085	cf::object::player
2562	cf::player peaceful	3086	player
2563	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2564		3093
2565	=cut	3094	=cut
2566		3095
2567	for (	3096	for (
2568	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease split destroy)],
2569	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2570	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2571	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2572	) {	3103	) {
2573	no strict 'refs';	3104	no strict 'refs';
…		…
2649	# the server's init and main functions	3180	# the server's init and main functions
2650		3181
2651	sub load_facedata($) {	3182	sub load_facedata($) {
2652	my ($path) = @_;	3183	my ($path) = @_;
2653		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
2654	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2655		3192
2656	my $facedata;	3193	my $facedata;
2657	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
2658	or die "$path: $!";	3195	or die "$path: $!";
…		…
2660	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2661		3198
2662	$facedata->{version} == 2	3199	$facedata->{version} == 2
2663	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2664		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
2665	{	3209	{
2666	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2667		3211
2668	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2673	Coro::cede;	3219
		3220	cf::cede_to_tick;
2674	}	3221	}
2675		3222
2676	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2677	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2678	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2679	or next;	3227	or next;
		3228
2680	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2682	} else {	3232	} else {
2683	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2684	}	3234	}
2685	Coro::cede;	3235
		3236	cf::cede_to_tick;
2686	}	3237	}
2687	}	3238	}
2688		3239
2689	{	3240	{
2690	my $anims = $facedata->{animinfo};	3241	my $anims = $facedata->{animinfo};
2691		3242
2692	while (my ($anim, $info) = each %$anims) {	3243	while (my ($anim, $info) = each %$anims) {
2693	cf::anim::set $anim, $info->{frames}, $info->{facings};	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
2694	Coro::cede;	3245	cf::cede_to_tick;
2695	}	3246	}
2696		3247
2697	cf::anim::invalidate_all; # d'oh	3248	cf::anim::invalidate_all; # d'oh
2698	}	3249	}
2699		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2700	1	3286	1
2701	}	3287	}
2702		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	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
2703	sub reload_regions {	3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
2704	load_resource_file "$MAPDIR/regions"	3332	load_resource_file "$MAPDIR/regions"
2705	or die "unable to load regions file\n";	3333	or die "unable to load regions file\n";
		3334
		3335	for (cf::region::list) {
		3336	$_->{match} = qr/$_->{match}/
		3337	if exists $_->{match};
		3338	}
2706	}	3339	}
2707		3340
2708	sub reload_facedata {	3341	sub reload_facedata {
2709	load_facedata "$DATADIR/facedata"	3342	load_facedata "$DATADIR/facedata"
2710	or die "unable to load facedata\n";	3343	or die "unable to load facedata\n";
…		…
2721	}	3354	}
2722		3355
2723	sub reload_resources {	3356	sub reload_resources {
2724	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
2725		3358
		3359	reload_facedata;
		3360	reload_archetypes;
2726	reload_regions;	3361	reload_regions;
2727	reload_facedata;
2728	#reload_archetypes;#d#
2729	reload_archetypes;
2730	reload_treasures;	3362	reload_treasures;
2731		3363
2732	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
2733	}	3365	}
2734		3366
2735	sub init {	3367	sub init {
		3368	my $guard = freeze_mainloop;
		3369
2736	reload_resources;	3370	reload_resources;
2737	}	3371	}
2738		3372
2739	sub cfg_load {	3373	sub reload_config {
2740	open my $fh, "<:utf8", "$CONFDIR/config"	3374	open my $fh, "<:utf8", "$CONFDIR/config"
2741	or return;	3375	or return;
2742		3376
2743	local $/;	3377	local $/;
2744	*CFG = YAML::Syck::Load <$fh>;	3378	*CFG = YAML::Load <$fh>;
2745		3379
2746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3380	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2747		3381
2748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3382	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3383	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2760	sub main {	3394	sub main {
2761	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2762	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2763	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2764	(async {	3398	(async {
2765	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2766	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2767	};	3402	};
2768		3403
2769	cfg_load;	3404	{
		3405	my $guard = freeze_mainloop;
		3406	reload_config;
2770	db_init;	3407	db_init;
2771	load_extensions;	3408	load_extensions;
2772		3409
2773	$TICK_WATCHER->start;	3410	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3411	evthread_start IO::AIO::poll_fileno;
		3412	}
		3413
2774	Event::loop;	3414	EV::loop;
2775	}	3415	}
2776		3416
2777	#############################################################################	3417	#############################################################################
2778	# initialisation and cleanup	3418	# initialisation and cleanup
2779		3419
2780	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2781	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2782	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2783	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2784	reentrant => 0,
2785	data => WF_AUTOCANCEL,
2786	signal => $signal,
2787	prio => 0,
2788	cb => sub {
2789	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
2790	},
2791	);	3426	};
2792	}	3427	}
2793	}	3428	}
2794		3429
2795	sub write_runtime {	3430	sub write_runtime_sync {
2796	my $runtime = "$LOCALDIR/runtime";	3431	my $runtime = "$LOCALDIR/runtime";
2797		3432
2798	# first touch the runtime file to show we are still running:	3433	# first touch the runtime file to show we are still running:
2799	# the fsync below can take a very very long time.	3434	# the fsync below can take a very very long time.
2800		3435
…		…
2826	and return;	3461	and return;
2827		3462
2828	warn "runtime file written.\n";	3463	warn "runtime file written.\n";
2829		3464
2830	1	3465	1
		3466	}
		3467
		3468	our $uuid_lock;
		3469	our $uuid_skip;
		3470
		3471	sub write_uuid_sync($) {
		3472	$uuid_skip ||= $_[0];
		3473
		3474	return if $uuid_lock;
		3475	local $uuid_lock = 1;
		3476
		3477	my $uuid = "$LOCALDIR/uuid";
		3478
		3479	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3483	$uuid_skip = 0;
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$uuid~", $uuid
		3496	and return;
		3497
		3498	warn "uuid file written ($value).\n";
		3499
		3500	1
		3501
		3502	}
		3503
		3504	sub write_uuid($$) {
		3505	my ($skip, $sync) = @_;
		3506
		3507	$sync ? write_uuid_sync $skip
		3508	: async { write_uuid_sync $skip };
2831	}	3509	}
2832		3510
2833	sub emergency_save() {	3511	sub emergency_save() {
2834	my $freeze_guard = cf::freeze_mainloop;	3512	my $freeze_guard = cf::freeze_mainloop;
2835		3513
…		…
2841	# and maps saved/destroyed asynchronously.	3519	# and maps saved/destroyed asynchronously.
2842	warn "begin emergency player save\n";	3520	warn "begin emergency player save\n";
2843	for my $login (keys %cf::PLAYER) {	3521	for my $login (keys %cf::PLAYER) {
2844	my $pl = $cf::PLAYER{$login} or next;	3522	my $pl = $cf::PLAYER{$login} or next;
2845	$pl->valid or next;	3523	$pl->valid or next;
		3524	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2846	$pl->save;	3525	$pl->save;
2847	}	3526	}
2848	warn "end emergency player save\n";	3527	warn "end emergency player save\n";
2849		3528
2850	warn "begin emergency map save\n";	3529	warn "begin emergency map save\n";
…		…
2856	warn "end emergency map save\n";	3535	warn "end emergency map save\n";
2857		3536
2858	warn "begin emergency database checkpoint\n";	3537	warn "begin emergency database checkpoint\n";
2859	BDB::db_env_txn_checkpoint $DB_ENV;	3538	BDB::db_env_txn_checkpoint $DB_ENV;
2860	warn "end emergency database checkpoint\n";	3539	warn "end emergency database checkpoint\n";
		3540
		3541	warn "begin write uuid\n";
		3542	write_uuid_sync 1;
		3543	warn "end write uuid\n";
2861	};	3544	};
2862		3545
2863	warn "leave emergency perl save\n";	3546	warn "leave emergency perl save\n";
2864	}	3547	}
2865		3548
…		…
2880	warn "reloading...";	3563	warn "reloading...";
2881		3564
2882	warn "entering sync_job";	3565	warn "entering sync_job";
2883		3566
2884	cf::sync_job {	3567	cf::sync_job {
2885	cf::write_runtime; # external watchdog should not bark	3568	cf::write_runtime_sync; # external watchdog should not bark
2886	cf::emergency_save;	3569	cf::emergency_save;
2887	cf::write_runtime; # external watchdog should not bark	3570	cf::write_runtime_sync; # external watchdog should not bark
2888		3571
2889	warn "syncing database to disk";	3572	warn "syncing database to disk";
2890	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2891		3574
2892	# if anything goes wrong in here, we should simply crash as we already saved	3575	# if anything goes wrong in here, we should simply crash as we already saved
2893
2894	warn "cancelling all WF_AUTOCANCEL watchers";
2895	for (Event::all_watchers) {
2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2897	}
2898		3576
2899	warn "flushing outstanding aio requests";	3577	warn "flushing outstanding aio requests";
2900	for (;;) {	3578	for (;;) {
2901	BDB::flush;	3579	BDB::flush;
2902	IO::AIO::flush;	3580	IO::AIO::flush;
2903	Coro::cede;	3581	Coro::cede_notself;
2904	last unless IO::AIO::nreqs || BDB::nreqs;	3582	last unless IO::AIO::nreqs || BDB::nreqs;
2905	warn "iterate...";	3583	warn "iterate...";
2906	}	3584	}
2907		3585
2908	++$RELOAD;	3586	++$RELOAD;
…		…
2967	warn "reloading cf.pm";	3645	warn "reloading cf.pm";
2968	require cf;	3646	require cf;
2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3647	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2970		3648
2971	warn "loading config and database again";	3649	warn "loading config and database again";
2972	cf::cfg_load;	3650	cf::reload_config;
2973		3651
2974	warn "loading extensions";	3652	warn "loading extensions";
2975	cf::load_extensions;	3653	cf::load_extensions;
2976		3654
2977	warn "reattaching attachments to objects/players";	3655	warn "reattaching attachments to objects/players";
…		…
2984	warn "leaving sync_job";	3662	warn "leaving sync_job";
2985		3663
2986	1	3664	1
2987	} or do {	3665	} or do {
2988	warn $@;	3666	warn $@;
2989	warn "error while reloading, exiting.";	3667	cf::cleanup "error while reloading, exiting.";
2990	exit 1;
2991	};	3668	};
2992		3669
2993	warn "reloaded";	3670	warn "reloaded";
2994	};	3671	};
2995		3672
…		…
2997		3674
2998	sub reload_perl() {	3675	sub reload_perl() {
2999	# doing reload synchronously and two reloads happen back-to-back,	3676	# doing reload synchronously and two reloads happen back-to-back,
3000	# coro crashes during coro_state_free->destroy here.	3677	# coro crashes during coro_state_free->destroy here.
3001		3678
3002	$RELOAD_WATCHER ||= Event->timer (	3679	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3003	reentrant => 0,
3004	after => 0,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	do_reload_perl;	3680	do_reload_perl;
3008	undef $RELOAD_WATCHER;	3681	undef $RELOAD_WATCHER;
3009	},
3010	);	3682	};
3011	}	3683	}
3012		3684
3013	register_command "reload" => sub {	3685	register_command "reload" => sub {
3014	my ($who, $arg) = @_;	3686	my ($who, $arg) = @_;
3015		3687
3016	if ($who->flag (FLAG_WIZ)) {	3688	if ($who->flag (FLAG_WIZ)) {
3017	$who->message ("reloading server.");	3689	$who->message ("reloading server.");
		3690	async {
		3691	$Coro::current->{desc} = "perl_reload";
3018	async { reload_perl };	3692	reload_perl;
		3693	};
3019	}	3694	}
3020	};	3695	};
3021		3696
3022	unshift @INC, $LIBDIR;	3697	unshift @INC, $LIBDIR;
3023		3698
…		…
3025		3700
3026	our @WAIT_FOR_TICK;	3701	our @WAIT_FOR_TICK;
3027	our @WAIT_FOR_TICK_BEGIN;	3702	our @WAIT_FOR_TICK_BEGIN;
3028		3703
3029	sub wait_for_tick {	3704	sub wait_for_tick {
3030	return unless $TICK_WATCHER->is_active;
3031	return if $Coro::current == $Coro::main;	3705	return if tick_inhibit || $Coro::current == $Coro::main;
3032		3706
3033	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
3034	push @WAIT_FOR_TICK, $signal;	3708	push @WAIT_FOR_TICK, $signal;
3035	$signal->wait;	3709	$signal->wait;
3036	}	3710	}
3037		3711
3038	sub wait_for_tick_begin {	3712	sub wait_for_tick_begin {
3039	return unless $TICK_WATCHER->is_active;
3040	return if $Coro::current == $Coro::main;	3713	return if tick_inhibit || $Coro::current == $Coro::main;
3041		3714
3042	my $signal = new Coro::Signal;	3715	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK_BEGIN, $signal;	3716	push @WAIT_FOR_TICK_BEGIN, $signal;
3044	$signal->wait;	3717	$signal->wait;
3045	}	3718	}
3046		3719
3047	my $min = 1e6;#d#	3720	sub tick {
3048	my $avg = 10;
3049	$TICK_WATCHER = Event->timer (
3050	reentrant => 0,
3051	parked => 1,
3052	prio => 0,
3053	at => $NEXT_TICK || $TICK,
3054	data => WF_AUTOCANCEL,
3055	cb => sub {
3056	if ($Coro::current != $Coro::main) {	3721	if ($Coro::current != $Coro::main) {
3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3722	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3058	unless ++$bug_warning > 10;	3723	unless ++$bug_warning > 10;
3059	return;	3724	return;
3060	}	3725	}
3061		3726
3062	$NOW = $tick_start = Event::time;
3063
3064	cf::server_tick; # one server iteration	3727	cf::server_tick; # one server iteration
3065		3728
3066	0 && sync_job {#d#	3729	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3067	for(1..10) {	3730	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3068	my $t = Event::time;	3731	Coro::async_pool {
3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3732	$Coro::current->{desc} = "runtime saver";
3070	or die;	3733	write_runtime_sync
3071		3734	or warn "ERROR: unable to write runtime file: $!";
3072	$map->width (50);
3073	$map->height (50);
3074	$map->alloc;
3075	$map->_load_objects ("/tmp/x.map", 1);
3076	my $t = Event::time - $t;
3077
3078	#next unless $t < 0.0013;#d#
3079	if ($t < $min) {
3080	$min = $t;
3081	}
3082	$avg = $avg * 0.99 + $t * 0.01;
3083	}
3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3085	exit 0;
3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3087	};	3735	};
		3736	}
3088		3737
3089	$RUNTIME += $TICK;
3090	$NEXT_TICK += $TICK;
3091
3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
3094	Coro::async_pool {
3095	write_runtime
3096	or warn "ERROR: unable to write runtime file: $!";
3097	};
3098	}
3099
3100	# my $AFTER = Event::time;
3101	# warn $AFTER - $NOW;#d#
3102
3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3738	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3104	$sig->send;	3739	$sig->send;
3105	}	3740	}
3106	while (my $sig = shift @WAIT_FOR_TICK) {	3741	while (my $sig = shift @WAIT_FOR_TICK) {
3107	$sig->send;	3742	$sig->send;
3108	}	3743	}
3109		3744
3110	$NOW = Event::time;	3745	$LOAD = ($NOW - $TICK_START) / $TICK;
3111
3112	# if we are delayed by four ticks or more, skip them all
3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3114
3115	$TICK_WATCHER->at ($NEXT_TICK);
3116	$TICK_WATCHER->start;
3117
3118	$LOAD = ($NOW - $tick_start) / $TICK;
3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3746	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3120		3747
3121	_post_tick;	3748	if (0) {
3122		3749	if ($NEXT_TICK) {
3123		3750	my $jitter = $TICK_START - $NEXT_TICK;
		3751	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3752	warn "jitter $JITTER\n";#d#
		3753	}
3124	},	3754	}
3125	);	3755	}
3126		3756
3127	{	3757	{
3128	BDB::max_poll_time $TICK * 0.1;	3758	# configure BDB
3129	$BDB_POLL_WATCHER = Event->io (	3759
3130	reentrant => 0,
3131	fd => BDB::poll_fileno,
3132	poll => 'r',
3133	prio => 0,
3134	data => WF_AUTOCANCEL,
3135	cb => \&BDB::poll_cb,
3136	);
3137	BDB::min_parallel 8;	3760	BDB::min_parallel 8;
3138		3761	BDB::max_poll_reqs $TICK * 0.1;
3139	BDB::set_sync_prepare {	3762	$Coro::BDB::WATCHER->priority (1);
3140	my $status;
3141	my $current = $Coro::current;
3142	(
3143	sub {
3144	$status = $!;
3145	$current->ready; undef $current;
3146	},
3147	sub {
3148	Coro::schedule while defined $current;
3149	$! = $status;
3150	},
3151	)
3152	};
3153		3763
3154	unless ($DB_ENV) {	3764	unless ($DB_ENV) {
3155	$DB_ENV = BDB::db_env_create;	3765	$DB_ENV = BDB::db_env_create;
		3766	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3767	| BDB::LOG_AUTOREMOVE, 1);
		3768	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3769	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3156		3770
3157	cf::sync_job {	3771	cf::sync_job {
3158	eval {	3772	eval {
3159	BDB::db_env_open	3773	BDB::db_env_open
3160	$DB_ENV,	3774	$DB_ENV,
…		…
3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3776	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3777	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3164	0666;	3778	0666;
3165		3779
3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3780	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3167
3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3169	$DB_ENV->set_lk_detect;
3170	};	3781	};
3171		3782
3172	cf::cleanup "db_env_open(db): $@" if $@;	3783	cf::cleanup "db_env_open(db): $@" if $@;
3173	};	3784	};
3174	}	3785	}
		3786
		3787	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3788	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3789	};
		3790	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3791	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3792	};
		3793	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3794	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3795	};
3175	}	3796	}
3176		3797
3177	{	3798	{
		3799	# configure IO::AIO
		3800
3178	IO::AIO::min_parallel 8;	3801	IO::AIO::min_parallel 8;
3179
3180	undef $Coro::AIO::WATCHER;
3181	IO::AIO::max_poll_time $TICK * 0.1;	3802	IO::AIO::max_poll_time $TICK * 0.1;
3182	$AIO_POLL_WATCHER = Event->io (	3803	$Coro::AIO::WATCHER->priority (1);
3183	reentrant => 0,
3184	data => WF_AUTOCANCEL,
3185	fd => IO::AIO::poll_fileno,
3186	poll => 'r',
3187	prio => 6,
3188	cb => \&IO::AIO::poll_cb,
3189	);
3190	}	3804	}
3191		3805
3192	my $_log_backtrace;	3806	my $_log_backtrace;
3193		3807
3194	sub _log_backtrace {	3808	sub _log_backtrace {
…		…
3198		3812
3199	# limit the # of concurrent backtraces	3813	# limit the # of concurrent backtraces
3200	if ($_log_backtrace < 2) {	3814	if ($_log_backtrace < 2) {
3201	++$_log_backtrace;	3815	++$_log_backtrace;
3202	async {	3816	async {
		3817	$Coro::current->{desc} = "abt $msg";
		3818
3203	my @bt = fork_call {	3819	my @bt = fork_call {
3204	@addr = map { sprintf "%x", $_ } @addr;	3820	@addr = map { sprintf "%x", $_ } @addr;
3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3821	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3822	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3207	or die "addr2line: $!";	3823	or die "addr2line: $!";

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