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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.303 by root, Wed Jul 11 15:57:31 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
25	use JSON::XS 1.4 ();	48	use JSON::XS 2.01 ();
26	use BDB ();	49	use BDB ();
27	use Data::Dumper;	50	use Data::Dumper;
28	use Digest::MD5;	51	use Digest::MD5;
29	use Fcntl;	52	use Fcntl;
30	use YAML::Syck ();	53	use YAML ();
31	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
32	use Time::HiRes;	55	use Time::HiRes;
33	use Compress::LZF;	56	use Compress::LZF;
34	use Digest::MD5 ();	57	use Digest::MD5 ();
35		58
36	# configure various modules to our taste	59	# configure various modules to our taste
37	#	60	#
38	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46		64
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		66
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		68
…		…
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
74		93
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	97	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		99
83	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	104	our $DB_ENV;
85		105
86	our %CFG;	106	our %CFG;
87		107
88	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
90		111
91	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
94		115
95	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		118
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
101		123
102	binmode STDOUT;	124	binmode STDOUT;
103	binmode STDERR;	125	binmode STDERR;
104		126
105	# read virtual server time, if available	127	# read virtual server time, if available
…		…
158		180
159	The raw value load value from the last tick.	181	The raw value load value from the last tick.
160		182
161	=item %cf::CFG	183	=item %cf::CFG
162		184
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	186	from wherever your confdir points to.
165		187
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		189
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	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
170	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.
171		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
172	=back	200	=back
173		201
174	=cut	202	=cut
175		203
176	BEGIN {	204	BEGIN {
…		…
180	$msg .= "\n"	208	$msg .= "\n"
181	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
182		210
183	$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;
184		212
185	utf8::encode $msg;
186	LOG llevError, $msg;	213	LOG llevError, $msg;
187	};	214	};
188	}	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	$SIG{__DIE__} = sub { }; #d#?
189		231
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	)) {	248	)) {
207	no strict 'refs';	249	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	251	}
210		252
211	$Event::DIED = sub {	253	$EV::DIED = sub {
212	warn "error in event callback: @_";	254	warn "error in event callback: @_";
213	};	255	};
214		256
215	#############################################################################	257	#############################################################################
216		258
…		…
239	$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;
240	$d	282	$d
241	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
242	}	284	}
243		285
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->utf8->max_size (1e6); # accept ~1mb max	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	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
319	}	441	}
320		442
321	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
322		444
323	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		450
329	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
330		452
331	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
332		454
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	456	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	458	acceptable.
337		459
338	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		466
345	sub sync_job(&) {	467	sub sync_job(&) {
346	my ($job) = @_;	468	my ($job) = @_;
347		469
348	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	471	my $time = EV::time;
350		472
351	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
353		475
354	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	477
356	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
357		479
358	my $busy = 1;	480	my $busy = 1;
359	my @res;	481	my @res;
360		482
361	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	485	@res = eval { $job->() };
363	warn $@ if $@;	486	warn $@ if $@;
364	undef $busy;	487	undef $busy;
365	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
366		489
367	while ($busy) {	490	while ($busy) {
368	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
369	}	495	}
		496	}
370		497
371	$time = Event::time - $time;	498	my $time = EV::time - $time;
372		499
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	500	$TICK_START += $time; # do not account sync jobs to server load
377		501
378	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
379	} else {	503	} else {
380	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
381		505
…		…
406	=item fork_call { }, $args	530	=item fork_call { }, $args
407		531
408	Executes the given code block with the given arguments in a seperate	532	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	534	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
412		536
413	=cut	537	=cut
414
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		538
424	sub fork_call(&@) {	539	sub fork_call(&@) {
425	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
426		541
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	542	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	543	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	544	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		545
432	if (my $pid = fork) {	546	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	547	reset_signals;
446	local $SIG{__WARN__};	548	&$cb
447	local $SIG{__DIE__};	549	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		550
454	eval {	551	wantarray ? @res : $res[-1]
455	close $fh1;	552	}
456		553
457	my @res = eval { $cb->(@args) };	554	=item $coin = coin_from_name $name
458		555
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	556	=cut
460	close $fh2;
461	};
462		557
463	warn $@ if $@;	558	our %coin_alias = (
464	_exit 0;	559	"silver" => "silvercoin",
465	}	560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
466	}	579	}
467		580
468	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
469		582
470	Returns a single value from the environment database.	583	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	585	=item cf::db_put $family => $key => $value
473		586
474	Stores the given C<$value> in the family. It can currently store binary	587	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
477	=cut	595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
478		613
479	our $DB;	614	our $DB;
480		615
481	sub db_init {	616	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	617	cf::sync_job {
486	eval {	618	$DB ||= db_table "db";
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}	619	};
496	}	620	}
497		621
498	sub db_get($$) {	622	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	623	my $key = "$_[0]/$_[1]";
500		624
…		…
550	if (1) {	674	if (1) {
551	$md5 =	675	$md5 =
552	join "\x00",	676	join "\x00",
553	$processversion,	677	$processversion,
554	map {	678	map {
555	Coro::cede;	679	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	680	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	681	} 0.. $#$src;
558		682
559		683
560	my $dbmd5 = db_get cache => "$id/md5";	684	my $dbmd5 = db_get cache => "$id/md5";
…		…
604	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
606		730
607	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	733	Deliantra).
610		734
611	=over 4	735	=over 4
612		736
613	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
614		738
…		…
866	";	990	";
867	die if $@;	991	die if $@;
868	}	992	}
869		993
870	our $override;	994	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		996
873	sub override {	997	sub override {
874	$override = 1;	998	$override = 1;
875	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
876	}	1000	}
877		1001
878	sub do_invoke {	1002	sub do_invoke {
879	my $event = shift;	1003	my $event = shift;
880	my $callbacks = shift;	1004	my $callbacks = shift;
881		1005
882	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
883		1007
884	local $override;	1008	local $override;
885		1009
886	for (@$callbacks) {	1010	for (@$callbacks) {
887	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
896	}	1020	}
897		1021
898	0	1022	0
899	}	1023	}
900		1024
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1026
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1028
905	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
906		1030
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1034
911	=back	1035	=back
912		1036
913	=cut	1037	=cut
914		1038
915	#############################################################################	1039	#############################################################################
916	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
917		1083
918	sub reattach {	1084	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1086	my ($obj) = @_;
921		1087
…		…
942	cf::attachable->attach (	1108	cf::attachable->attach (
943	prio => -1000000,	1109	prio => -1000000,
944	on_instantiate => sub {	1110	on_instantiate => sub {
945	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
946		1112
947	$data = from_json $data;	1113	$data = decode_json $data;
948		1114
949	for (@$data) {	1115	for (@$data) {
950	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
951		1117
952	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1134	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
970		1136
971	sync_job {	1137	sync_job {
972	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
975		1142
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
980	close $fh;	1147	close $fh;
981		1148
982	if (@$objs) {	1149	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
988	close $fh;	1155	close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
990	}	1157	}
…		…
998	}	1165	}
999	} else {	1166	} else {
1000	aio_unlink $filename;	1167	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
1002	}	1169	}
1003	}	1170	};
1004	}	1171	}
1005		1172
1006	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
1008		1175
…		…
1020	or return;	1187	or return;
1021		1188
1022	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1191	or return;
		1192
1025	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
1026	}	1195	}
1027		1196
		1197	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
1030	return ($data, $av);	1201	($data, $av)
1031	}	1202	}
1032		1203
1033	=head2 COMMAND CALLBACKS	1204	=head2 COMMAND CALLBACKS
1034		1205
1035	=over 4	1206	=over 4
…		…
1108	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
1109		1280
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1282
1112	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
1118	} else {	1298	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1300	}
1121		1301
1122	cf::override;	1302	cf::override;
…		…
1175	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1176	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1177		1357
1178	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1179	warn $msg;	1359	warn $msg;
1180	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1181	exit 1;
1182	}	1361	}
1183		1362
1184	warn $msg;	1363	warn $msg;
1185	}	1364	}
1186		1365
…		…
1211	use Coro::AIO;	1390	use Coro::AIO;
1212		1391
1213	=head3 cf::player	1392	=head3 cf::player
1214		1393
1215	=over 4	1394	=over 4
		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
1216		1409
1217	=item cf::player::find $login	1410	=item cf::player::find $login
1218		1411
1219	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1220		1413
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1453
1261	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1264	}	1462	}
1265	}	1463	}
1266	}	1464	}
1267		1465
…		…
1277		1475
1278	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1280		1478
1281	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1282	Coro::cede;	1480	cf::cede_to_tick;
1283	}	1481	}
1284		1482
1285	sub new($) {	1483	sub new($) {
1286	my ($login) = @_;	1484	my ($login) = @_;
1287		1485
…		…
1291	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1292		1490
1293	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1294		1492
1295	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1296	}	1504	}
1297		1505
1298	=item $pl->quit_character	1506	=item $pl->quit_character
1299		1507
1300	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1355	or return [];	1563	or return [];
1356		1564
1357	my @logins;	1565	my @logins;
1358		1566
1359	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1363		1576
1364	utf8::decode $login;	1577	utf8::decode $login;
1365	push @logins, $login;	1578	push @logins, $login;
1366	}	1579	}
1367		1580
…		…
1400		1613
1401	Expand crossfire pod fragments into protocol xml.	1614	Expand crossfire pod fragments into protocol xml.
1402		1615
1403	=cut	1616	=cut
1404		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
1405	sub expand_cfpod {	1629	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;	1630	my ($self, $pod) = @_;
1407		1631
1408	# escape & and <	1632	my $xml;
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411		1633
1412	# this is buggy, it needs to properly take care of nested <'s	1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
1413		1637
1414	1 while	1638	$group =~ s/&/&amp;/g;
1415	# replace B<>, I<>, U<> etc.	1639	$group =~ s/</&lt;/g;
1416	s/B<([^\>]*)>/<b>$1<\/b>/	1640
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/	1641	$xml .= $group;
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/	1642	} elsif ($pod =~ m%\G
1419	# replace G<male|female> tags	1643	([BCGHITU])
1420	|| s{G<([^>|]*)\|([^>]*)>}{	1644	<
1421	$self->gender ? $2 : $1	1645	(?:
1422	}ge	1646	([^<>]*) (?{ $group = $^N })
1423	# replace H<hint text>	1647	| < $interior >
1424	|| s{H<([^\>]*)>}	1648	)
		1649	>
		1650	%gcsx
1425	{	1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")	1671	"")
1429	[$self->{hintmode}]	1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
1430	}ge;	1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
1431		1683
		1684	for ($xml) {
1432	# create single paragraphs (very hackish)	1685	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;	1686	s/(?<=\S)\n(?=\w)/ /g;
1434		1687
1435	# compress some whitespace	1688	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends	1689	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines	1690	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines	1691	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines	1692	s/\n+$//; # ending lines
		1693	}
1440		1694
1441	$_	1695	$xml
1442	}	1696	}
		1697
		1698	no re 'eval';
1443		1699
1444	sub hintmode {	1700	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}	1702	$_[0]{hintmode}
1447	}	1703	}
1448		1704
1449	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1450		1706
1451	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1452		1708
1453	=cut	1709	=cut
1454		1710
1455	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1457		1713
1458	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1715	}
1461		1716
1462	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1463		1718
1464	Sends an ext event to the client.	1719	Sends an ext event to the client.
1465		1720
1466	=cut	1721	=cut
1467		1722
1468	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1470		1725
1471	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1472	}	1727	}
1473		1728
1474	=head3 cf::region	1729	=head3 cf::region
1475		1730
1476	=over 4	1731	=over 4
…		…
1489	my ($path) = @_;	1744	my ($path) = @_;
1490		1745
1491	my ($match, $specificity);	1746	my ($match, $specificity);
1492		1747
1493	for my $region (list) {	1748	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1497	}	1752	}
1498	}	1753	}
1499		1754
…		…
1520	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1522		1777
1523	sub generate_random_map {	1778	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1525	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1784	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1619	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1620	return $self;	1878	return $self;
1621	}	1879	}
1622	}	1880	}
1623		1881
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1883	()
1626	}	1884	}
1627		1885
1628	sub init {	1886	sub init {
1629	my ($self) = @_;	1887	my ($self) = @_;
…		…
1651		1909
1652	# the temporary/swap location	1910	# the temporary/swap location
1653	sub save_path {	1911	sub save_path {
1654	my ($self) = @_;	1912	my ($self) = @_;
1655		1913
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1915	"$TMPDIR/$path.map"
1658	}	1916	}
1659		1917
1660	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1661	sub uniq_path {	1919	sub uniq_path {
1662	my ($self) = @_;	1920	my ($self) = @_;
1663		1921
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1923	"$UNIQUEDIR/$path"
1666	}	1924	}
1667		1925
1668	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1669	# all maps in C++...	1927	# all maps in C++...
…		…
1692		1950
1693	sub load_header_from($) {	1951	sub load_header_from($) {
1694	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1695		1953
1696	utf8::encode $path;	1954	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1702		1963
1703	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1704		1965
1705	1	1966	1
1706	}	1967	}
…		…
1760	sub find {	2021	sub find {
1761	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1762		2023
1763	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1764		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1766		2028
1767	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1769	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1770	or return;	2034	or return;
1771		2035
1772	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1773		2037
…		…
1775	or return;	2039	or return;
1776		2040
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1780	$map->reset;	2046	$map->reset;
1781	undef $guard;
1782	return find $path;	2047	return find $path;
1783	}	2048	}
1784		2049
1785	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1786	}	2051	}
…		…
1795	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1796		2061
1797	my $path = $self->{path};	2062	my $path = $self->{path};
1798		2063
1799	{	2064	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1801		2066
		2067	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2069
1804	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1805		2071
1806	$self->alloc;	2072	$self->alloc;
1807		2073
1808	$self->pre_load;	2074	$self->pre_load;
1809	Coro::cede;	2075	cf::cede_to_tick;
1810		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1812	or return;	2080	or return;
1813		2081
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1815	if delete $self->{load_original};	2083	if delete $self->{load_original};
1816		2084
1817	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2086	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2089	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1822	}	2093	}
1823	}	2094	}
1824		2095
1825	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1826	# now do the right thing for maps	2099	# now do the right thing for maps
1827	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2102	unless $self->difficulty;
1830	Coro::cede;	2103	cf::cede_to_tick;
1831		2104
1832	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2106	$self->decay_objects;
1834	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1835	$self->update_buttons;	2108	$self->update_buttons;
1836	Coro::cede;	2109	cf::cede_to_tick;
1837	$self->set_darkness_map;	2110	$self->set_darkness_map;
1838	Coro::cede;	2111	cf::cede_to_tick;
1839	$self->activate;	2112	$self->activate;
1840	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1841		2117
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1843	}	2119	}
1844		2120
1845	$self->post_load;	2121	$self->post_load;
…		…
1856		2132
1857	$self	2133	$self
1858	}	2134	}
1859		2135
1860	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2137	sub load_neighbours {
1862	my ($map) = @_;	2138	my ($map) = @_;
1863		2139
1864	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1865		2141
1866	for (0 .. 3) {	2142	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1868	or next;	2144	or next;
1869	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1870	or next;	2146	or next;
1871	$neigh->load;	2147	$neigh->load;
1872		2148
		2149	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2152	}
1876		2153
1877	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1879	or next;	2157	or next;
1880	$neigh->load;	2158	$neigh->load;
1881	}	2159	}
1882	}	2160	}
1883		2161
…		…
1888	}	2166	}
1889		2167
1890	sub do_load_sync {	2168	sub do_load_sync {
1891	my ($map) = @_;	2169	my ($map) = @_;
1892		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1893	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1894	}	2175	}
1895		2176
1896	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1898		2179
1899	sub find_async {	2180	sub find_async {
1900	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1901		2182
1902	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1903		2184
1904	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1906	}	2187	}
1907		2188
1908	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1909	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1910	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2196	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2197	$map->load if $v;
		2198	}
1915		2199
1916	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1917	}	2201	}
1918	}	2202	}
1919	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1920	};	2204	};
1921	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1924	}	2208	}
1925		2209
1926	sub save {	2210	sub save {
1927	my ($self) = @_;	2211	my ($self) = @_;
1928		2212
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1930		2214
1931	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1932		2216
1933	return unless $self->dirty;	2217	return unless $self->dirty;
1934		2218
…		…
1940	return if $self->{deny_save};	2224	return if $self->{deny_save};
1941		2225
1942	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1943		2227
1944	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1946	};	2231	};
1947		2232
1948	if ($uniq) {	2233	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1957	my ($self) = @_;	2242	my ($self) = @_;
1958		2243
1959	# save first because save cedes	2244	# save first because save cedes
1960	$self->save;	2245	$self->save;
1961		2246
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2248
1964	return if $self->players;	2249	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};	2251	return if $self->{deny_save};
1967		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1968	$self->clear;	2257	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2258	}
1971		2259
1972	sub reset_at {	2260	sub reset_at {
1973	my ($self) = @_;	2261	my ($self) = @_;
1974		2262
…		…
2006	if $uniq;	2294	if $uniq;
2007	}	2295	}
2008		2296
2009	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
2010		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2301	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2302
2015	$self->unlink_save;	2303	$self->unlink_save;
2016	$self->destroy;	2304	$self->destroy;
2017	}	2305	}
2018		2306
2019	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
2020		2308
2021	sub nuke {	2309	sub nuke {
2022	my ($self) = @_;	2310	my ($self) = @_;
2023		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
2024	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
2025		2316
2026	$self->unlink_save;	2317	$self->unlink_save;
2027		2318
2028	bless $self, "cf::map";	2319	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2324
2034	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
2035		2327
2036	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
2037	}	2329	}
2038		2330
2039	=item $maps = cf::map::tmp_maps	2331	=item $maps = cf::map::tmp_maps
…		…
2081		2373
2082	sub unique_maps() {	2374	sub unique_maps() {
2083	[	2375	[
2084	map {	2376	map {
2085	utf8::decode $_;	2377	utf8::decode $_;
2086	/\.map$/	2378	s/\.map$//; # TODO future compatibility hack
		2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2380	? ()
2087	? normalise $_	2381	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2382	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2383	]
2091	}	2384	}
2092		2385
2093	package cf;
2094
2095	=back	2386	=back
2096		2387
2097	=head3 cf::object	2388	=head3 cf::object
2098		2389
2099	=cut	2390	=cut
…		…
2102		2393
2103	=over 4	2394	=over 4
2104		2395
2105	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
2106		2397
2107	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
2108		2400
2109	=cut	2401	=cut
2110		2402
2111	sub inv_recursive_;	2403	sub inv_recursive_;
2112	sub inv_recursive_ {	2404	sub inv_recursive_ {
2113	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
2114	}	2406	}
2115		2407
2116	sub inv_recursive {	2408	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
2118	}	2438	}
2119		2439
2120	package cf;	2440	package cf;
2121		2441
2122	=back	2442	=back
…		…
2146		2466
2147	} else {	2467	} else {
2148	my $pl = $self->contr;	2468	my $pl = $self->contr;
2149		2469
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2471	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2473
2159	} else {	2474	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
2162	}	2477	}
2163	}	2478	}
		2479	}
		2480
		2481	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2482
		2483	=cut
		2484
		2485	sub cf::object::send_msg {
		2486	my $pl = shift->contr
		2487	or return;
		2488	$pl->send_msg (@_);
2164	}	2489	}
2165		2490
2166	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
2167		2492
2168	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
2247	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
2250		2575
2251	$map->load;	2576	$map->load;
2252	$map->load_diag;	2577	$map->load_neighbours;
2253		2578
2254	return unless $self->contr->active;	2579	return unless $self->contr->active;
2255	$self->activate_recursive;	2580	$self->activate_recursive;
2256		2581
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
2259	}	2584	}
2260		2585
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2262		2587
2263	Moves the player to the given map-path and coordinates by first freezing	2588	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2589	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2590	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2591	the new (success) or old (failed) map position. In either case, $done will
		2592	be called at the end of this process.
2267		2593
2268	=cut	2594	=cut
2269		2595
2270	our $GOTOGEN;	2596	our $GOTOGEN;
2271		2597
2272	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2599	my ($self, $path, $x, $y, $check, $done) = @_;
2274		2600
2275	# do generation counting so two concurrent goto's will be executed in-order	2601	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2603
2278	$self->enter_link;	2604	$self->enter_link;
2279		2605
2280	(async {	2606	(async {
		2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
2281	my $map = eval {	2628	my $map = eval {
2282	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
2283		2630
2284	if ($map) {	2631	if ($map) {
2285	$map = $map->customise_for ($self);	2632	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2633	$map = $check->($map) if $check && $map;
2287	} else {	2634	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2636	}
2290		2637
2291	$map	2638	$map
2292	};	2639	};
2293		2640
…		…
2298		2645
2299	if ($gen == $self->{_goto_generation}) {	2646	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2647	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
2302	}	2649	}
		2650
		2651	$done->() if $done;
2303	})->prio (1);	2652	})->prio (1);
2304	}	2653	}
2305		2654
2306	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
2307		2656
…		…
2344	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
2345	}	2694	}
2346		2695
2347	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
2348		2697
2349	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
2350	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
2352		2701
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
…		…
2381	# if exit is damned, update players death & WoR home-position	2730	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)	2731	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);	2732	if $exit->flag (FLAG_DAMNED);
2384		2733
2385	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
2386	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
2387	unless (eval {	2738	unless (eval {
2388	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
2389		2740
2390	1;	2741	1;
…		…
2416		2767
2417	utf8::encode $text;	2768	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2770	}
2420		2771
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2773
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2774	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2775	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2776	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2777	the message unless the client supports the msg packet.
2427		2778
2428	=cut	2779	=cut
2429		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
2430	sub cf::client::send_msg {	2833	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	2834	my ($self, $channel, $msg, $color, @extra) = @_;
2432		2835
2433	$msg = $self->pl->expand_cfpod ($msg);	2836	$msg = $self->pl->expand_cfpod ($msg);
2434		2837
		2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
		2849	} elsif (ref $channel) {
		2850	# send meta info to client, if not yet sent
		2851	unless (exists $self->{channel}{$channel->{id}}) {
		2852	$self->{channel}{$channel->{id}} = $channel;
		2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
		2855	}
		2856
		2857	$channel = $channel->{id};
		2858	}
		2859
2435	return unless @extra || length $msg;	2860	return unless @extra || length $msg;
2436		2861
2437	if ($self->can_msg) {	2862	if ($self->can_msg) {
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2867	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2439	} else {	2869	} else {
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449
2450	if ($color >= 0) {	2870	if ($color >= 0) {
		2871	# replace some tags by gcfclient-compatible ones
		2872	for ($msg) {
		2873	1 while
		2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2879	}
		2880
		2881	$color &= cf::NDI_COLOR_MASK;
		2882
		2883	utf8::encode $msg;
		2884
2451	if (0 && $msg =~ /\[/) {	2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
2453	} else {	2888	} else {
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")	2890	$self->send_packet ("drawinfo $color $msg")
2456	}	2891	}
2457	}	2892	}
2458	}	2893	}
2459	}	2894	}
2460		2895
2461	=item $client->ext_event ($type, %msg)	2896	=item $client->ext_msg ($type, @msg)
2462		2897
2463	Sends an ext event to the client.	2898	Sends an ext event to the client.
2464		2899
2465	=cut	2900	=cut
2466		2901
2467	sub cf::client::ext_event($$%) {	2902	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	2903	my ($self, $type, @msg) = @_;
2469		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	2908	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2910	}
		2911	}
		2912
		2913	=item $client->ext_reply ($msgid, @msg)
		2914
		2915	Sends an ext reply to the client.
		2916
		2917	=cut
		2918
		2919	sub cf::client::ext_reply($$@) {
		2920	my ($self, $id, @msg) = @_;
		2921
		2922	if ($self->extcmd == 2) {
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2924	} elsif ($self->extcmd == 1) {
		2925	#TODO: version 1, remove
		2926	unshift @msg, msgtype => "reply", msgid => $id;
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2928	}
2472	}	2929	}
2473		2930
2474	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
2475		2932
2476	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	2988	my ($ns, $buf) = @_;
2532		2989
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		2991
2535	if (ref $msg) {	2992	if (ref $msg) {
		2993	my ($type, $reply, @payload) =
		2994	"ARRAY" eq ref $msg
		2995	? @$msg
		2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2997
		2998	my @reply;
		2999
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3000	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3001	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
2542	} else {	3007	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3009	}
2545		3010
2546	cf::override;	3011	cf::override;
…		…
2593	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2595		3060
2596	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2597		3062
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3063	$safe->permit_only (Opcode::opset qw(
		3064	:base_core :base_mem :base_orig :base_math
		3065	grepstart grepwhile mapstart mapwhile
		3066	sort time
		3067	));
2599		3068
2600	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2601		3070
2602	=pod	3071	=pod
2603		3072
2604	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2605		3074
2606	cf::object	3075	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3076	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3077	insert remove name archname title slaying race decrease_ob_nr
2609		3078
2610	cf::object::player	3079	cf::object::player
2611	player	3080	player
2612		3081
2613	cf::player	3082	cf::player
…		…
2618		3087
2619	=cut	3088	=cut
2620		3089
2621	for (	3090	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3092	insert remove inv name archname title slaying race
2623	insert remove)],	3093	decrease_ob_nr destroy)],
2624	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2626	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2627	) {	3097	) {
2628	no strict 'refs';	3098	no strict 'refs';
…		…
2704	# the server's init and main functions	3174	# the server's init and main functions
2705		3175
2706	sub load_facedata($) {	3176	sub load_facedata($) {
2707	my ($path) = @_;	3177	my ($path) = @_;
2708		3178
		3179	# HACK to clear player env face cache, we need some signal framework
		3180	# for this (global event?)
		3181	%ext::player_env::MUSIC_FACE_CACHE = ();
		3182
		3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3184
2709	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2710		3186
2711	my $facedata;	3187	my $facedata;
2712	0 < aio_load $path, $facedata	3188	0 < aio_load $path, $facedata
2713	or die "$path: $!";	3189	or die "$path: $!";
…		…
2715	$facedata = Coro::Storable::thaw $facedata;	3191	$facedata = Coro::Storable::thaw $facedata;
2716		3192
2717	$facedata->{version} == 2	3193	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3195
		3196	# patch in the exptable
		3197	$facedata->{resource}{"res/exp_table"} = {
		3198	type => FT_RSRC,
		3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3200	};
		3201	cf::cede_to_tick;
		3202
2720	{	3203	{
2721	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
2722		3205
2723	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
2725	cf::face::set_visibility $idx, $info->{visibility};	3209	cf::face::set_visibility $idx, $info->{visibility};
2726	cf::face::set_magicmap $idx, $info->{magicmap};	3210	cf::face::set_magicmap $idx, $info->{magicmap};
2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2729		3213
2730	cf::cede_to_tick;	3214	cf::cede_to_tick;
2731	}	3215	}
2732		3216
2733	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2734	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2735	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2736	or next;	3221	or next;
		3222
2737	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
2738	cf::face::set_smooth $idx, $smooth;	3224	cf::face::set_smooth $idx, $smooth;
2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2740	} else {	3226	} else {
2741	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2758		3244
2759	{	3245	{
2760	# TODO: for gcfclient pleasure, we should give resources	3246	# TODO: for gcfclient pleasure, we should give resources
2761	# that gcfclient doesn't grok a >10000 face index.	3247	# that gcfclient doesn't grok a >10000 face index.
2762	my $res = $facedata->{resource};	3248	my $res = $facedata->{resource};
2763	my $enc = JSON::XS->new->utf8->canonical;
2764		3249
2765	while (my ($name, $info) = each %$res) {	3250	while (my ($name, $info) = each %$res) {
2766	my $meta = $enc->encode ({	3251	if (defined $info->{type}) {
2767	name => $name,
2768	type => $info->{type},
2769	copyright => $info->{copyright}, #TODO#
2770	});
2771	my $data = pack "(w/a*)*", $meta, $info->{data};
2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3253	my $data;
		3254
		3255	if ($info->{type} & 1) {
		3256	# prepend meta info
		3257
		3258	my $meta = $enc->encode ({
		3259	name => $name,
		3260	%{ $info->{meta} || {} },
		3261	});
		3262
		3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2775	cf::face::set_type $idx, 1;	3269	cf::face::set_type $idx, $info->{type};
2776	cf::face::set_data $idx, 0, $data, $chk;	3270	} else {
		3271	$RESOURCE{$name} = $info;
		3272	}
2777		3273
2778	cf::cede_to_tick;	3274	cf::cede_to_tick;
2779	}	3275	}
2780	}	3276	}
2781		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3279
2782	1	3280	1
2783	}	3281	}
2784		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
		3302
		3303	register_exticmd fx_want => sub {
		3304	my ($ns, $want) = @_;
		3305
		3306	while (my ($k, $v) = each %$want) {
		3307	$ns->fx_want ($k, $v);
		3308	}
		3309	};
		3310
2785	sub reload_regions {	3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
2786	load_resource_file "$MAPDIR/regions"	3316	load_resource_file "$MAPDIR/regions"
2787	or die "unable to load regions file\n";	3317	or die "unable to load regions file\n";
		3318
		3319	for (cf::region::list) {
		3320	$_->{match} = qr/$_->{match}/
		3321	if exists $_->{match};
		3322	}
2788	}	3323	}
2789		3324
2790	sub reload_facedata {	3325	sub reload_facedata {
2791	load_facedata "$DATADIR/facedata"	3326	load_facedata "$DATADIR/facedata"
2792	or die "unable to load facedata\n";	3327	or die "unable to load facedata\n";
…		…
2821		3356
2822	sub init {	3357	sub init {
2823	reload_resources;	3358	reload_resources;
2824	}	3359	}
2825		3360
2826	sub cfg_load {	3361	sub reload_config {
2827	open my $fh, "<:utf8", "$CONFDIR/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2828	or return;	3363	or return;
2829		3364
2830	local $/;	3365	local $/;
2831	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2832		3367
2833	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2834		3369
2835	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2836	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2847	sub main {	3382	sub main {
2848	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2849	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2850	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2851	(async {	3386	(async {
2852	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2853	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2854	};	3390	};
2855		3391
2856	cfg_load;	3392	reload_config;
2857	db_init;	3393	db_init;
2858	load_extensions;	3394	load_extensions;
2859		3395
2860	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2861	Event::loop;	3398	EV::loop;
2862	}	3399	}
2863		3400
2864	#############################################################################	3401	#############################################################################
2865	# initialisation and cleanup	3402	# initialisation and cleanup
2866		3403
2867	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2868	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2869	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2870	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2871	reentrant => 0,
2872	data => WF_AUTOCANCEL,
2873	signal => $signal,
2874	prio => 0,
2875	cb => sub {
2876	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2877	},
2878	);	3410	};
2879	}	3411	}
2880	}	3412	}
2881		3413
2882	sub write_runtime {	3414	sub write_runtime_sync {
2883	my $runtime = "$LOCALDIR/runtime";	3415	my $runtime = "$LOCALDIR/runtime";
2884		3416
2885	# first touch the runtime file to show we are still running:	3417	# first touch the runtime file to show we are still running:
2886	# the fsync below can take a very very long time.	3418	# the fsync below can take a very very long time.
2887		3419
…		…
2913	and return;	3445	and return;
2914		3446
2915	warn "runtime file written.\n";	3447	warn "runtime file written.\n";
2916		3448
2917	1	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
2918	}	3493	}
2919		3494
2920	sub emergency_save() {	3495	sub emergency_save() {
2921	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2922		3497
…		…
2928	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2929	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2930	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2931	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2932	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2933	$pl->save;	3509	$pl->save;
2934	}	3510	}
2935	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2936		3512
2937	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2943	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
2944		3520
2945	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
2946	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
2947	warn "end emergency database checkpoint\n";	3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
2948	};	3528	};
2949		3529
2950	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2951	}	3531	}
2952		3532
…		…
2967	warn "reloading...";	3547	warn "reloading...";
2968		3548
2969	warn "entering sync_job";	3549	warn "entering sync_job";
2970		3550
2971	cf::sync_job {	3551	cf::sync_job {
2972	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2973	cf::emergency_save;	3553	cf::emergency_save;
2974	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
2975		3555
2976	warn "syncing database to disk";	3556	warn "syncing database to disk";
2977	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
2978		3558
2979	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
2980
2981	warn "cancelling all WF_AUTOCANCEL watchers";
2982	for (Event::all_watchers) {
2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2984	}
2985		3560
2986	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2987	for (;;) {	3562	for (;;) {
2988	BDB::flush;	3563	BDB::flush;
2989	IO::AIO::flush;	3564	IO::AIO::flush;
2990	Coro::cede;	3565	Coro::cede_notself;
2991	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2992	warn "iterate...";	3567	warn "iterate...";
2993	}	3568	}
2994		3569
2995	++$RELOAD;	3570	++$RELOAD;
…		…
3054	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
3055	require cf;	3630	require cf;
3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3057		3632
3058	warn "loading config and database again";	3633	warn "loading config and database again";
3059	cf::cfg_load;	3634	cf::reload_config;
3060		3635
3061	warn "loading extensions";	3636	warn "loading extensions";
3062	cf::load_extensions;	3637	cf::load_extensions;
3063		3638
3064	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
…		…
3071	warn "leaving sync_job";	3646	warn "leaving sync_job";
3072		3647
3073	1	3648	1
3074	} or do {	3649	} or do {
3075	warn $@;	3650	warn $@;
3076	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
3077	exit 1;
3078	};	3652	};
3079		3653
3080	warn "reloaded";	3654	warn "reloaded";
3081	};	3655	};
3082		3656
…		…
3084		3658
3085	sub reload_perl() {	3659	sub reload_perl() {
3086	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
3087	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
3088		3662
3089	$RELOAD_WATCHER ||= Event->timer (	3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3090	reentrant => 0,
3091	after => 0,
3092	data => WF_AUTOCANCEL,
3093	cb => sub {
3094	do_reload_perl;	3664	do_reload_perl;
3095	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
3096	},
3097	);	3666	};
3098	}	3667	}
3099		3668
3100	register_command "reload" => sub {	3669	register_command "reload" => sub {
3101	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
3102		3671
3103	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
3104	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
		3674	async {
		3675	$Coro::current->{desc} = "perl_reload";
3105	async { reload_perl };	3676	reload_perl;
		3677	};
3106	}	3678	}
3107	};	3679	};
3108		3680
3109	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
3110		3682
…		…
3112		3684
3113	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
3114	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
3115		3687
3116	sub wait_for_tick {	3688	sub wait_for_tick {
3117	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
3118	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
3119		3691
3120	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
3121	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
3122	$signal->wait;	3694	$signal->wait;
3123	}	3695	}
3124		3696
3125	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
3126	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
3127	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
3128		3700
3129	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
3130	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
3131	$signal->wait;	3703	$signal->wait;
3132	}	3704	}
3133		3705
3134	my $min = 1e6;#d#	3706	sub tick {
3135	my $avg = 10;
3136	$TICK_WATCHER = Event->timer (
3137	reentrant => 0,
3138	parked => 1,
3139	prio => 0,
3140	at => $NEXT_TICK || $TICK,
3141	data => WF_AUTOCANCEL,
3142	cb => sub {
3143	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
3144	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3145	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
3146	return;	3710	return;
3147	}	3711	}
3148		3712
3149	$NOW = $tick_start = Event::time;
3150
3151	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
3152		3714
3153	0 && sync_job {#d#	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3154	for(1..10) {	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3155	my $t = Event::time;	3717	Coro::async_pool {
3156	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3718	$Coro::current->{desc} = "runtime saver";
3157	or die;	3719	write_runtime_sync
3158		3720	or warn "ERROR: unable to write runtime file: $!";
3159	$map->width (50);
3160	$map->height (50);
3161	$map->alloc;
3162	$map->_load_objects ("/tmp/x.map", 1);
3163	my $t = Event::time - $t;
3164
3165	#next unless $t < 0.0013;#d#
3166	if ($t < $min) {
3167	$min = $t;
3168	}
3169	$avg = $avg * 0.99 + $t * 0.01;
3170	}
3171	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3172	exit 0;
3173	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3174	};	3721	};
		3722	}
3175		3723
3176	$RUNTIME += $TICK;
3177	$NEXT_TICK += $TICK;
3178
3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3180	$NEXT_RUNTIME_WRITE = $NOW + 10;
3181	Coro::async_pool {
3182	write_runtime
3183	or warn "ERROR: unable to write runtime file: $!";
3184	};
3185	}
3186
3187	# my $AFTER = Event::time;
3188	# warn $AFTER - $NOW;#d#
3189
3190	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3191	$sig->send;	3725	$sig->send;
3192	}	3726	}
3193	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
3194	$sig->send;	3728	$sig->send;
3195	}	3729	}
3196		3730
3197	$NOW = Event::time;	3731	$LOAD = ($NOW - $TICK_START) / $TICK;
3198
3199	# if we are delayed by four ticks or more, skip them all
3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3201
3202	$TICK_WATCHER->at ($NEXT_TICK);
3203	$TICK_WATCHER->start;
3204
3205	$LOAD = ($NOW - $tick_start) / $TICK;
3206	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3207		3733
3208	_post_tick;	3734	if (0) {
3209		3735	if ($NEXT_TICK) {
3210		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
3211	},	3740	}
3212	);	3741	}
3213		3742
3214	{	3743	{
3215	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
3216	$BDB_POLL_WATCHER = Event->io (	3745
3217	reentrant => 0,
3218	fd => BDB::poll_fileno,
3219	poll => 'r',
3220	prio => 0,
3221	data => WF_AUTOCANCEL,
3222	cb => \&BDB::poll_cb,
3223	);
3224	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
3225		3747	BDB::max_poll_reqs $TICK * 0.1;
3226	BDB::set_sync_prepare {	3748	$Coro::BDB::WATCHER->priority (1);
3227	my $status;
3228	my $current = $Coro::current;
3229	(
3230	sub {
3231	$status = $!;
3232	$current->ready; undef $current;
3233	},
3234	sub {
3235	Coro::schedule while defined $current;
3236	$! = $status;
3237	},
3238	)
3239	};
3240		3749
3241	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
3242	$DB_ENV = BDB::db_env_create;	3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3243		3756
3244	cf::sync_job {	3757	cf::sync_job {
3245	eval {	3758	eval {
3246	BDB::db_env_open	3759	BDB::db_env_open
3247	$DB_ENV,	3760	$DB_ENV,
…		…
3249	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3250	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3251	0666;	3764	0666;
3252		3765
3253	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3254
3255	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3256	$DB_ENV->set_lk_detect;
3257	};	3767	};
3258		3768
3259	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
3260	};	3770	};
3261	}	3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
3262	}	3782	}
3263		3783
3264	{	3784	{
		3785	# configure IO::AIO
		3786
3265	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
3266
3267	undef $Coro::AIO::WATCHER;
3268	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
3269	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
3270	reentrant => 0,
3271	data => WF_AUTOCANCEL,
3272	fd => IO::AIO::poll_fileno,
3273	poll => 'r',
3274	prio => 6,
3275	cb => \&IO::AIO::poll_cb,
3276	);
3277	}	3790	}
3278		3791
3279	my $_log_backtrace;	3792	my $_log_backtrace;
3280		3793
3281	sub _log_backtrace {	3794	sub _log_backtrace {
…		…
3285		3798
3286	# limit the # of concurrent backtraces	3799	# limit the # of concurrent backtraces
3287	if ($_log_backtrace < 2) {	3800	if ($_log_backtrace < 2) {
3288	++$_log_backtrace;	3801	++$_log_backtrace;
3289	async {	3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
3290	my @bt = fork_call {	3805	my @bt = fork_call {
3291	@addr = map { sprintf "%x", $_ } @addr;	3806	@addr = map { sprintf "%x", $_ } @addr;
3292	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3293	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3294	or die "addr2line: $!";	3809	or die "addr2line: $!";

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