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Revision 1.445 by root, Wed Sep 10 18:18:10 2008 UTC vs.
Revision 1.518 by root, Fri Apr 16 02:21:26 2010 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use 5.10.0;
25	use utf8;	26	use utf8;
26	use strict "vars", "subs";	27	use strict qw(vars subs);
27		28
28	use Symbol;	29	use Symbol;
29	use List::Util;	30	use List::Util;
30	use Socket;	31	use Socket;
31	use EV;	32	use EV;
32	use Opcode;	33	use Opcode;
33	use Safe;	34	use Safe;
34	use Safe::Hole;	35	use Safe::Hole;
35	use Storable ();	36	use Storable ();
		37	use Carp ();
36		38
		39	use Guard ();
37	use Coro ();	40	use Coro ();
38	use Coro::State;	41	use Coro::State;
39	use Coro::Handle;	42	use Coro::Handle;
40	use Coro::EV;	43	use Coro::EV;
41	use Coro::AnyEvent;	44	use Coro::AnyEvent;
42	use Coro::Timer;	45	use Coro::Timer;
43	use Coro::Signal;	46	use Coro::Signal;
44	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	49	use Coro::AnyEvent;
46	use Coro::AIO;	50	use Coro::AIO;
47	use Coro::BDB 1.6;	51	use Coro::BDB 1.6;
48	use Coro::Storable;	52	use Coro::Storable;
49	use Coro::Util ();	53	use Coro::Util ();
50		54
51	use JSON::XS 2.01 ();	55	use JSON::XS 2.01 ();
52	use BDB ();	56	use BDB ();
53	use Data::Dumper;	57	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	58	use Fcntl;
56	use YAML ();	59	use YAML::XS ();
57	use IO::AIO ();	60	use IO::AIO ();
58	use Time::HiRes;	61	use Time::HiRes;
59	use Compress::LZF;	62	use Compress::LZF;
60	use Digest::MD5 ();	63	use Digest::MD5 ();
61		64
…		…
63		66
64	# configure various modules to our taste	67	# configure various modules to our taste
65	#	68	#
66	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		77
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		80
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
73		82
74	our %COMMAND = ();	83	our %COMMAND = ();
75	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
78	our %EXTCMD = ();	87	our %EXTCMD = ();
79	our %EXTICMD = ();	88	our %EXTICMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
82		91
83	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
85		96
86	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
87	our $DATADIR = datadir;	98	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
…		…
97	our $PIDFILE = "$LOCALDIR/pid";	108	our $PIDFILE = "$LOCALDIR/pid";
98	our $RUNTIMEFILE = "$LOCALDIR/runtime";	109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
99		110
100	our %RESOURCE;	111	our %RESOURCE;
101		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
104	our $NEXT_TICK;	118	our $NEXT_TICK;
105	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
106		120
107	our $BDB_DEADLOCK_WATCHER;	121	our $BDB_DEADLOCK_WATCHER;
108	our $BDB_CHECKPOINT_WATCHER;	122	our $BDB_CHECKPOINT_WATCHER;
109	our $BDB_TRICKLE_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
110	our $DB_ENV;	124	our $DB_ENV;
111		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
		127
112	our %CFG;	128	our %CFG;
113		129
114	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
115	our $RUNTIME;	131	our $RUNTIME;
116	our $NOW;	132	our $NOW;
…		…
124		140
125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
126	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
127	our $JITTER; # average jitter	143	our $JITTER; # average jitter
128	our $TICK_START; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
129		150
130	binmode STDOUT;	151	binmode STDOUT;
131	binmode STDERR;	152	binmode STDERR;
132		153
133	# read virtual server time, if available	154	# read virtual server time, if available
…		…
135	open my $fh, "<", $RUNTIMEFILE	156	open my $fh, "<", $RUNTIMEFILE
136	or die "unable to read $RUNTIMEFILE file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
137	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
138	}	159	}
139		160
		161	eval "sub TICK() { $TICK } 1" or die;
		162
140	mkdir $_	163	mkdir $_
141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
142		165
143	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
144		167
145	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
146		180
147	#############################################################################	181	#############################################################################
148		182
149	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
150		184
…		…
197	returns directly I<after> the tick processing (and consequently, can only wake one process	231	returns directly I<after> the tick processing (and consequently, can only wake one process
198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
199		233
200	=item @cf::INVOKE_RESULTS	234	=item @cf::INVOKE_RESULTS
201		235
202	This array contains the results of the last C<invoke ()> call. When	236	This array contains the results of the last C<invoke ()> call. When
203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
204	that call.	238	that call.
205		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
206	=back	246	=back
207		247
208	=cut	248	=cut
209		249
210	BEGIN {	250	$Coro::State::WARNHOOK = sub {
211	*CORE::GLOBAL::warn = sub {
212	my $msg = join "", @_;	251	my $msg = join "", @_;
213		252
214	$msg .= "\n"	253	$msg .= "\n"
215	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
216		255
217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
218		257
219	LOG llevError, $msg;	258	LOG llevError, $msg;
220	};	259	};
221	}
222		260
223	$Coro::State::DIEHOOK = sub {	261	$Coro::State::DIEHOOK = sub {
224	return unless $^S eq 0; # "eq", not "=="	262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
225		265
226	if ($Coro::current == $Coro::main) {#d#	266	if ($Coro::current == $Coro::main) {#d#
227	warn "DIEHOOK called in main context, Coro bug?\n";#d#	267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
228	return;#d#	268	return;#d#
229	}#d#	269	}#d#
230		270
231	# kill coroutine otherwise	271	# kill coroutine otherwise
232	warn Carp::longmess $_[0];
233	Coro::terminate	272	Coro::terminate
234	};	273	};
235
236	$SIG{__DIE__} = sub { }; #d#?
237		274
238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
255	)) {	292	)) {
256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
257	}	294	}
258		295
259	$EV::DIED = sub {	296	$EV::DIED = sub {
260	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
261	};	298	};
262		299
263	#############################################################################	300	#############################################################################
264		301
265	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
…		…
302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
303		340
304	sub encode_json($) { $json_coder->encode ($_[0]) }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
305	sub decode_json($) { $json_coder->decode ($_[0]) }	342	sub decode_json($) { $json_coder->decode ($_[0]) }
306		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
		357
307	=item cf::lock_wait $string	358	=item cf::lock_wait $string
308		359
309	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
310		361
311	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
312		363
313	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
315	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
316	returned.	367	returned.
317		368
318	Locks are *not* recursive, locking from the same coro twice results in a	369	Locks are *not* recursive, locking from the same coro twice results in a
319	deadlocked coro.	370	deadlocked coro.
…		…
325		376
326	Return true if the lock is currently active, i.e. somebody has locked it.	377	Return true if the lock is currently active, i.e. somebody has locked it.
327		378
328	=cut	379	=cut
329		380
330	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
331	our %LOCKER;#d#
332		382
333	sub lock_wait($) {	383	sub lock_wait($) {
334	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
335
336	if ($LOCKER{$key} == $Coro::current) {#d#
337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
338	return;#d#
339	}#d#
340
341	# wait for lock, if any
342	while ($LOCK{$key}) {
343	push @{ $LOCK{$key} }, $Coro::current;
344	Coro::schedule;
345	}
346	}	385	}
347		386
348	sub lock_acquire($) {	387	sub lock_acquire($) {
349	my ($key) = @_;	388	$LOCKS->guard ($_[0])
350
351	# wait, to be sure we are not locked
352	lock_wait $key;
353
354	$LOCK{$key} = [];
355	$LOCKER{$key} = $Coro::current;#d#
356
357	Coro::guard {
358	delete $LOCKER{$key};#d#
359	# wake up all waiters, to be on the safe side
360	$_->ready for @{ delete $LOCK{$key} };
361	}
362	}	389	}
363		390
364	sub lock_active($) {	391	sub lock_active($) {
365	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
366
367	! ! $LOCK{$key}
368	}	393	}
369		394
370	sub freeze_mainloop {	395	sub freeze_mainloop {
371	tick_inhibit_inc;	396	tick_inhibit_inc;
372		397
373	Coro::guard \&tick_inhibit_dec;	398	&Guard::guard (\&tick_inhibit_dec);
374	}	399	}
375		400
376	=item cf::periodic $interval, $cb	401	=item cf::periodic $interval, $cb
377		402
378	Like EV::periodic, but randomly selects a starting point so that the actions	403	Like EV::periodic, but randomly selects a starting point so that the actions
379	get spread over timer.	404	get spread over time.
380		405
381	=cut	406	=cut
382		407
383	sub periodic($$) {	408	sub periodic($$) {
384	my ($interval, $cb) = @_;	409	my ($interval, $cb) = @_;
…		…
401		426
402	=cut	427	=cut
403		428
404	our @SLOT_QUEUE;	429	our @SLOT_QUEUE;
405	our $SLOT_QUEUE;	430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
406		432
407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
408	$SLOT_QUEUE = Coro::async {	434	$SLOT_QUEUE = Coro::async {
409	$Coro::current->desc ("timeslot manager");	435	$Coro::current->desc ("timeslot manager");
410		436
411	my $signal = new Coro::Signal;	437	my $signal = new Coro::Signal;
		438	my $busy;
412		439
413	while () {	440	while () {
414	next_job:	441	next_job:
		442
415	my $avail = cf::till_tick;	443	my $avail = cf::till_tick;
416	if ($avail > 0.01) {	444
417	for (0 .. $#SLOT_QUEUE) {	445	for (0 .. $#SLOT_QUEUE) {
418	if ($SLOT_QUEUE[$_][0] < $avail) {	446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
419	my $job = splice @SLOT_QUEUE, $_, 1, ();	448	my $job = splice @SLOT_QUEUE, $_, 1, ();
420	$job->[2]->send;	449	$job->[2]->send;
421	Coro::cede;	450	Coro::cede;
422	goto next_job;	451	goto next_job;
423	}	452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
424	}	454	}
425	}	455	}
426		456
427	if (@SLOT_QUEUE) {	457	if (@SLOT_QUEUE) {
428	# we do not use wait_for_tick() as it returns immediately when tick is inactive	458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
429	push @cf::WAIT_FOR_TICK, $signal;	459	push @cf::WAIT_FOR_TICK, $signal;
430	$signal->wait;	460	$signal->wait;
431	} else {	461	} else {
		462	$busy = 0;
432	Coro::schedule;	463	Coro::schedule;
433	}	464	}
434	}	465	}
435	};	466	};
436		467
437	sub get_slot($;$$) {	468	sub get_slot($;$$) {
438	return if tick_inhibit || $Coro::current == $Coro::main;	469	return if tick_inhibit || $Coro::current == $Coro::main;
439		470
440	my ($time, $pri, $name) = @_;	471	my ($time, $pri, $name) = @_;
441		472
442	$time = $TICK * .6 if $time > $TICK * .6;	473	$time = clamp $time, 0.01, $TICK * .6;
		474
443	my $sig = new Coro::Signal;	475	my $sig = new Coro::Signal;
444		476
445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
447	$SLOT_QUEUE->ready;	479	$SLOT_QUEUE->ready;
…		…
474		506
475	sub sync_job(&) {	507	sub sync_job(&) {
476	my ($job) = @_;	508	my ($job) = @_;
477		509
478	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
479	my $time = EV::time;	511	my $time = AE::time;
480		512
481	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
482	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
483		515
484	LOG llevError, Carp::longmess "sync job";#d#	516	LOG llevError, Carp::longmess "sync job";#d#
…		…
501	} else {	533	} else {
502	EV::loop EV::LOOP_ONESHOT;	534	EV::loop EV::LOOP_ONESHOT;
503	}	535	}
504	}	536	}
505		537
506	my $time = EV::time - $time;	538	my $time = AE::time - $time;
507		539
508	$TICK_START += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
509		541
510	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
511	} else {	543	} else {
…		…
555	reset_signals;	587	reset_signals;
556	&$cb	588	&$cb
557	}, @args;	589	}, @args;
558		590
559	wantarray ? @res : $res[-1]	591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
		595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
560	}	603	}
561		604
562	=item $coin = coin_from_name $name	605	=item $coin = coin_from_name $name
563		606
564	=cut	607	=cut
…		…
730		773
731	#############################################################################	774	#############################################################################
732		775
733	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
734		777
735	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
736	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
737	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
738		781
739	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
740	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
790	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
791		834
792	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
793	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
794		837
795	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
796	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
797		840
798	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
799		842
800	=over 4	843	=over 4
…		…
1150	$decname, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
1151		1194
1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1196	aio_chmod $fh, SAVE_MODE;
1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1155	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1200	aio_fsync $fh;
		1201	}
1156	aio_close $fh;	1202	aio_close $fh;
1157		1203
1158	if (@$objs) {	1204	if (@$objs) {
1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1160	aio_chmod $fh, SAVE_MODE;	1206	aio_chmod $fh, SAVE_MODE;
1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1162	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
1163	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1211	aio_fsync $fh;
		1212	}
1164	aio_close $fh;	1213	aio_close $fh;
1165	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
1166	}	1215	}
1167	} else {	1216	} else {
1168	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
1169	}	1218	}
1170		1219
1171	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
1172	} else {	1224	} else {
1173	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
1174	}	1226	}
1175	} else {	1227	} else {
1176	aio_unlink $filename;	1228	aio_unlink $filename;
1177	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
1178	}	1230	}
…		…
1269	my ($name, $cb) = @_;	1321	my ($name, $cb) = @_;
1270		1322
1271	$EXTICMD{$name} = $cb;	1323	$EXTICMD{$name} = $cb;
1272	}	1324	}
1273		1325
		1326	use File::Glob ();
		1327
1274	cf::player->attach (	1328	cf::player->attach (
1275	on_command => sub {	1329	on_unknown_command => sub {
1276	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
1277		1331
1278	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
1279	or return;	1333	or return;
1280		1334
…		…
1310		1364
1311	cf::override;	1365	cf::override;
1312	},	1366	},
1313	);	1367	);
1314		1368
		1369	# "readahead" all extensions
		1370	sub cache_extensions {
		1371	my $grp = IO::AIO::aio_group;
		1372
		1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1374	for (grep /\.ext$/, @{$_[0]}) {
		1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1376	}
		1377	};
		1378
		1379	$grp
		1380	}
		1381
1315	sub load_extensions {	1382	sub load_extensions {
1316	cf::sync_job {	1383	cf::sync_job {
1317	my %todo;	1384	my %todo;
1318		1385
1319	for my $path (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
…		…
1346	. "\n};\n1";	1413	. "\n};\n1";
1347		1414
1348	$todo{$base} = \%ext;	1415	$todo{$base} = \%ext;
1349	}	1416	}
1350		1417
		1418	my $pass = 0;
1351	my %done;	1419	my %done;
1352	while (%todo) {	1420	while (%todo) {
1353	my $progress;	1421	my $progress;
1354		1422
		1423	++$pass;
		1424
		1425	ext:
1355	while (my ($k, $v) = each %todo) {	1426	while (my ($k, $v) = each %todo) {
1356	for (split /,\s*/, $v->{meta}{depends}) {	1427	for (split /,\s*/, $v->{meta}{depends}) {
1357	goto skip	1428	next ext
1358	unless exists $done{$_};	1429	unless exists $done{$_};
1359	}	1430	}
1360		1431
1361	warn "... loading '$k' into '$v->{pkg}'\n";	1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1362		1433
1363	unless (eval $v->{source}) {	1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
1364	my $msg = $@ ? "$v->{path}: $@\n"	1437	warn "$v->{path}: $@\n";
1365	: "$v->{base}: extension inactive.\n";
1366		1438
1367	if (exists $v->{meta}{mandatory}) {
1368	warn $msg;
1369	cf::cleanup "mandatory extension failed to load, exiting.";	1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1370	}	1440	if exists $v->{meta}{mandatory};
1371		1441	} else {
1372	warn $msg;	1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
1373	}	1448	}
1374
1375	$done{$k} = delete $todo{$k};
1376	push @EXTS, $v->{pkg};
1377	$progress = 1;
1378	}	1449	}
1379		1450
1380	skip:	1451	unless ($progress) {
1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1382	unless $progress;	1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
1383	}	1459	}
1384	};	1460	};
1385	}	1461	}
1386		1462
1387	#############################################################################	1463	#############################################################################
1388		1464
1389	=back	1465	=back
1390		1466
1391	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1392		1468
1393	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1394		1470
1395	=cut	1471	=cut
1396		1472
1397	package cf::player;	1473	package cf::player;
1398		1474
…		…
1441		1517
1442	sub exists($) {	1518	sub exists($) {
1443	my ($login) = @_;	1519	my ($login) = @_;
1444		1520
1445	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1446	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1447	}	1523	}
1448		1524
1449	sub find($) {	1525	sub find($) {
1450	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1451	my $login = $_[0];	1527	my $login = $_[0];
…		…
1471	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1472	}	1548	}
1473	}	1549	}
1474	}	1550	}
1475		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
		1564
1476	sub save($) {	1565	sub save($) {
1477	my ($pl) = @_;	1566	my ($pl) = @_;
1478		1567
1479	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
1480		1569
…		…
1485		1574
1486	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1487	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1488		1577
1489	cf::get_slot 0.01;	1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1490		1582
1491	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1492	cf::cede_to_tick;	1584	cf::cede_to_tick;
1493	}	1585	}
1494		1586
…		…
1622	}	1714	}
1623		1715
1624	\@paths	1716	\@paths
1625	}	1717	}
1626		1718
1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1628		1720
1629	Expand crossfire pod fragments into protocol xml.	1721	Expand deliantra pod fragments into protocol xml.
1630		1722
1631	=item $player->ext_reply ($msgid, @msg)	1723	=item $player->ext_reply ($msgid, @msg)
1632		1724
1633	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1634		1726
…		…
1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1708		1800
1709	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1710	$self->_create_random_map (	1802	$self->_create_random_map (
1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1714	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1715	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1716	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1717	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1847		1939
1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1849	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1850	}	1942	}
1851		1943
1852	# and all this just because we cannot iterate over
1853	# all maps in C++...
1854	sub change_all_map_light {
1855	my ($change) = @_;
1856
1857	$_->change_map_light ($change)
1858	for grep $_->outdoor, values %cf::MAP;
1859	}
1860
1861	sub decay_objects {	1944	sub decay_objects {
1862	my ($self) = @_;	1945	my ($self) = @_;
1863		1946
1864	return if $self->{deny_reset};	1947	return if $self->{deny_reset};
1865		1948
…		…
1947	sub find {	2030	sub find {
1948	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1949		2032
1950	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1951		2034
1952	cf::lock_wait "map_data:$path";#d#remove	2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1953	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1954		2037
1955	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1957	my $guard2 = cf::lock_acquire "map_find:$path";
1958
1959	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1960	or return;	2040	or return;
1961		2041
1962	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1963		2043
…		…
1975		2055
1976	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1977	}	2057	}
1978	}	2058	}
1979		2059
1980	sub pre_load { }	2060	sub pre_load { }
1981	sub post_load { }	2061	#sub post_load { } # XS
1982		2062
1983	sub load {	2063	sub load {
1984	my ($self) = @_;	2064	my ($self) = @_;
1985		2065
1986	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2031	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
2032	$self->decay_objects;	2112	$self->decay_objects;
2033	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
2034	$self->update_buttons;	2114	$self->update_buttons;
2035	cf::cede_to_tick;	2115	cf::cede_to_tick;
2036	$self->set_darkness_map;
2037	cf::cede_to_tick;
2038	$self->activate;	2116	$self->activate;
2039	}	2117	}
2040		2118
2041	$self->{last_save} = $cf::RUNTIME;	2119	$self->{last_save} = $cf::RUNTIME;
2042	$self->last_access ($cf::RUNTIME);	2120	$self->last_access ($cf::RUNTIME);
…		…
2045	}	2123	}
2046		2124
2047	$self->post_load;	2125	$self->post_load;
2048	}	2126	}
2049		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
2050	sub customise_for {	2131	sub customise_for {
2051	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
2052		2133
2053	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
2054	if $self->per_player;	2135	if $self->per_player;
…		…
2131	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
2132		2213
2133	()	2214	()
2134	}	2215	}
2135		2216
		2217	# common code, used by both ->save and ->swapout
2136	sub save {	2218	sub _save {
2137	my ($self) = @_;	2219	my ($self) = @_;
2138
2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
2140		2220
2141	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
2142		2222
2143	return unless $self->dirty;	2223	return unless $self->dirty;
2144		2224
…		…
2164	} else {	2244	} else {
2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2166	}	2246	}
2167	}	2247	}
2168		2248
		2249	sub save {
		2250	my ($self) = @_;
		2251
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
		2254	$self->_save;
		2255	}
		2256
2169	sub swap_out {	2257	sub swap_out {
2170	my ($self) = @_;	2258	my ($self) = @_;
2171		2259
2172	# save first because save cedes
2173	$self->save;
2174
2175	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
2176		2261
2177	return if $self->players;
2178	return if $self->in_memory != cf::MAP_ACTIVE;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
2179	return if $self->{deny_save};	2263	return if $self->{deny_save};
		2264	return if $self->players;
2180		2265
2181	$self->in_memory (cf::MAP_SWAPPED);	2266	# first deactivate the map and "unlink" it from the core
2182
2183	$self->deactivate;	2267	$self->deactivate;
2184	$_->clear_links_to ($self) for values %cf::MAP;	2268	$_->clear_links_to ($self) for values %cf::MAP;
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	# then atomically save
		2272	$self->_save;
		2273
		2274	# then free the map
2185	$self->clear;	2275	$self->clear;
2186	}	2276	}
2187		2277
2188	sub reset_at {	2278	sub reset_at {
2189	my ($self) = @_;	2279	my ($self) = @_;
…		…
2208		2298
2209	my $lock = cf::lock_acquire "map_data:$self->{path}";	2299	my $lock = cf::lock_acquire "map_data:$self->{path}";
2210		2300
2211	return if $self->players;	2301	return if $self->players;
2212		2302
2213	warn "resetting map ", $self->path;	2303	warn "resetting map ", $self->path, "\n";
2214		2304
2215	$self->in_memory (cf::MAP_SWAPPED);	2305	$self->in_memory (cf::MAP_SWAPPED);
2216		2306
2217	# need to save uniques path	2307	# need to save uniques path
2218	unless ($self->{deny_save}) {	2308	unless ($self->{deny_save}) {
…		…
2309	: normalise $_	2399	: normalise $_
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2400	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2401	]
2312	}	2402	}
2313		2403
		2404	=item cf::map::static_maps
		2405
		2406	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2407	file in the shared directory excluding F</styles> and F</editor>). May
		2408	block.
		2409
		2410	=cut
		2411
		2412	sub static_maps() {
		2413	my @dirs = "";
		2414	my @maps;
		2415
		2416	while (@dirs) {
		2417	my $dir = shift @dirs;
		2418
		2419	next if $dir eq "/styles" || $dir eq "/editor";
		2420
		2421	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2422	or return;
		2423
		2424	for (@$files) {
		2425	s/\.map$// or next;
		2426	utf8::decode $_;
		2427	push @maps, "$dir/$_";
		2428	}
		2429
		2430	push @dirs, map "$dir/$_", @$dirs;
		2431	}
		2432
		2433	\@maps
		2434	}
		2435
2314	=back	2436	=back
2315		2437
2316	=head3 cf::object	2438	=head3 cf::object
2317		2439
2318	=cut	2440	=cut
…		…
2383		2505
2384	our $SAY_CHANNEL = {	2506	our $SAY_CHANNEL = {
2385	id => "say",	2507	id => "say",
2386	title => "Map",	2508	title => "Map",
2387	reply => "say ",	2509	reply => "say ",
2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2510	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2389	};	2511	};
2390		2512
2391	our $CHAT_CHANNEL = {	2513	our $CHAT_CHANNEL = {
2392	id => "chat",	2514	id => "chat",
2393	title => "Chat",	2515	title => "Chat",
…		…
2448		2570
2449	=item $player_object->enter_link	2571	=item $player_object->enter_link
2450		2572
2451	Freezes the player and moves him/her to a special map (C<{link}>).	2573	Freezes the player and moves him/her to a special map (C<{link}>).
2452		2574
2453	The player should be reasonably safe there for short amounts of time. You	2575	The player should be reasonably safe there for short amounts of time (e.g.
2454	I<MUST> call C<leave_link> as soon as possible, though.	2576	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2577	though, as the palyer cannot control the character while it is on the link
		2578	map.
2455		2579
2456	Will never block.	2580	Will never block.
2457		2581
2458	=item $player_object->leave_link ($map, $x, $y)	2582	=item $player_object->leave_link ($map, $x, $y)
2459		2583
…		…
2511	($x, $y) = (-1, -1)	2635	($x, $y) = (-1, -1)
2512	unless (defined $x) && (defined $y);	2636	unless (defined $x) && (defined $y);
2513		2637
2514	# use -1 or undef as default coordinates, not 0, 0	2638	# use -1 or undef as default coordinates, not 0, 0
2515	($x, $y) = ($map->enter_x, $map->enter_y)	2639	($x, $y) = ($map->enter_x, $map->enter_y)
2516	if $x <=0 && $y <= 0;	2640	if $x <= 0 && $y <= 0;
2517		2641
2518	$map->load;	2642	$map->load;
2519	$map->load_neighbours;	2643	$map->load_neighbours;
2520		2644
2521	return unless $self->contr->active;	2645	return unless $self->contr->active;
2522	$self->activate_recursive;
2523		2646
2524	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2647	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2525	$self->enter_map ($map, $x, $y);	2648	$self->enter_map ($map, $x, $y);
		2649
		2650	# only activate afterwards, to support waiting in hooks
		2651	$self->activate_recursive;
2526	}	2652	}
2527		2653
2528	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2654	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2529		2655
2530	Moves the player to the given map-path and coordinates by first freezing	2656	Moves the player to the given map-path and coordinates by first freezing
…		…
2689	$self->contr->savebed ($map, $x, $y)	2815	$self->contr->savebed ($map, $x, $y)
2690	if $exit->flag (cf::FLAG_DAMNED);	2816	if $exit->flag (cf::FLAG_DAMNED);
2691		2817
2692	1	2818	1
2693	}) {	2819	}) {
2694	$self->message ("Something went wrong deep within the crossfire server. "	2820	$self->message ("Something went wrong deep within the deliantra server. "
2695	. "I'll try to bring you back to the map you were before. "	2821	. "I'll try to bring you back to the map you were before. "
2696	. "Please report this to the dungeon master!",	2822	. "Please report this to the dungeon master!",
2697	cf::NDI_UNIQUE | cf::NDI_RED);	2823	cf::NDI_UNIQUE | cf::NDI_RED);
2698		2824
2699	warn "ERROR in enter_exit: $@";	2825	warn "ERROR in enter_exit: $@";
…		…
2716	sub cf::client::send_drawinfo {	2842	sub cf::client::send_drawinfo {
2717	my ($self, $text, $flags) = @_;	2843	my ($self, $text, $flags) = @_;
2718		2844
2719	utf8::encode $text;	2845	utf8::encode $text;
2720	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2846	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2847	}
		2848
		2849	=item $client->send_big_packet ($pkt)
		2850
		2851	Like C<send_packet>, but tries to compress large packets, and fragments
		2852	them as required.
		2853
		2854	=cut
		2855
		2856	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2857
		2858	sub cf::client::send_big_packet {
		2859	my ($self, $pkt) = @_;
		2860
		2861	# try lzf for large packets
		2862	$pkt = "lzf " . Compress::LZF::compress $pkt
		2863	if 1024 <= length $pkt and $self->{can_lzf};
		2864
		2865	# split very large packets
		2866	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2867	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2868	$pkt = "frag";
		2869	}
		2870
		2871	$self->send_packet ($pkt);
2721	}	2872	}
2722		2873
2723	=item $client->send_msg ($channel, $msg, $color, [extra...])	2874	=item $client->send_msg ($channel, $msg, $color, [extra...])
2724		2875
2725	Send a drawinfo or msg packet to the client, formatting the msg for the	2876	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2729		2880
2730	=cut	2881	=cut
2731		2882
2732	# non-persistent channels (usually the info channel)	2883	# non-persistent channels (usually the info channel)
2733	our %CHANNEL = (	2884	our %CHANNEL = (
		2885	"c/motd" => {
		2886	id => "infobox",
		2887	title => "MOTD",
		2888	reply => undef,
		2889	tooltip => "The message of the day",
		2890	},
2734	"c/identify" => {	2891	"c/identify" => {
2735	id => "infobox",	2892	id => "infobox",
2736	title => "Identify",	2893	title => "Identify",
2737	reply => undef,	2894	reply => undef,
2738	tooltip => "Items recently identified",	2895	tooltip => "Items recently identified",
…		…
2740	"c/examine" => {	2897	"c/examine" => {
2741	id => "infobox",	2898	id => "infobox",
2742	title => "Examine",	2899	title => "Examine",
2743	reply => undef,	2900	reply => undef,
2744	tooltip => "Signs and other items you examined",	2901	tooltip => "Signs and other items you examined",
		2902	},
		2903	"c/shopinfo" => {
		2904	id => "infobox",
		2905	title => "Shop Info",
		2906	reply => undef,
		2907	tooltip => "What your bargaining skill tells you about the shop",
2745	},	2908	},
2746	"c/book" => {	2909	"c/book" => {
2747	id => "infobox",	2910	id => "infobox",
2748	title => "Book",	2911	title => "Book",
2749	reply => undef,	2912	reply => undef,
…		…
2765	id => "infobox",	2928	id => "infobox",
2766	title => "Body Parts",	2929	title => "Body Parts",
2767	reply => undef,	2930	reply => undef,
2768	tooltip => "Shows which body parts you posess and are available",	2931	tooltip => "Shows which body parts you posess and are available",
2769	},	2932	},
		2933	"c/statistics" => {
		2934	id => "infobox",
		2935	title => "Statistics",
		2936	reply => undef,
		2937	tooltip => "Shows your primary statistics",
		2938	},
		2939	"c/skills" => {
		2940	id => "infobox",
		2941	title => "Skills",
		2942	reply => undef,
		2943	tooltip => "Shows your experience per skill and item power",
		2944	},
		2945	"c/shopitems" => {
		2946	id => "infobox",
		2947	title => "Shop Items",
		2948	reply => undef,
		2949	tooltip => "Shows the items currently for sale in this shop",
		2950	},
		2951	"c/resistances" => {
		2952	id => "infobox",
		2953	title => "Resistances",
		2954	reply => undef,
		2955	tooltip => "Shows your resistances",
		2956	},
		2957	"c/pets" => {
		2958	id => "infobox",
		2959	title => "Pets",
		2960	reply => undef,
		2961	tooltip => "Shows information abotu your pets/a specific pet",
		2962	},
		2963	"c/perceiveself" => {
		2964	id => "infobox",
		2965	title => "Perceive Self",
		2966	reply => undef,
		2967	tooltip => "You gained detailed knowledge about yourself",
		2968	},
2770	"c/uptime" => {	2969	"c/uptime" => {
2771	id => "infobox",	2970	id => "infobox",
2772	title => "Uptime",	2971	title => "Uptime",
2773	reply => undef,	2972	reply => undef,
2774	tooltip => "How long the server has been running since last restart",	2973	tooltip => "How long the server has been running since last restart",
…		…
2783	id => "party",	2982	id => "party",
2784	title => "Party",	2983	title => "Party",
2785	reply => "gsay ",	2984	reply => "gsay ",
2786	tooltip => "Messages and chat related to your party",	2985	tooltip => "Messages and chat related to your party",
2787	},	2986	},
		2987	"c/death" => {
		2988	id => "death",
		2989	title => "Death",
		2990	reply => undef,
		2991	tooltip => "Reason for and more info about your most recent death",
		2992	},
		2993	"c/say" => $SAY_CHANNEL,
		2994	"c/chat" => $CHAT_CHANNEL,
2788	);	2995	);
2789		2996
2790	sub cf::client::send_msg {	2997	sub cf::client::send_msg {
2791	my ($self, $channel, $msg, $color, @extra) = @_;	2998	my ($self, $channel, $msg, $color, @extra) = @_;
2792		2999
2793	$msg = $self->pl->expand_cfpod ($msg);	3000	$msg = $self->pl->expand_cfpod ($msg)
		3001	unless $color & cf::NDI_VERBATIM;
2794		3002
2795	$color &= cf::NDI_CLIENT_MASK; # just in case...	3003	$color &= cf::NDI_CLIENT_MASK; # just in case...
2796		3004
2797	# check predefined channels, for the benefit of C	3005	# check predefined channels, for the benefit of C
2798	if ($CHANNEL{$channel}) {	3006	if ($CHANNEL{$channel}) {
2799	$channel = $CHANNEL{$channel};	3007	$channel = $CHANNEL{$channel};
2800		3008
2801	$self->ext_msg (channel_info => $channel)	3009	$self->ext_msg (channel_info => $channel);
2802	if $self->can_msg;
2803
2804	$channel = $channel->{id};	3010	$channel = $channel->{id};
2805		3011
2806	} elsif (ref $channel) {	3012	} elsif (ref $channel) {
2807	# send meta info to client, if not yet sent	3013	# send meta info to client, if not yet sent
2808	unless (exists $self->{channel}{$channel->{id}}) {	3014	unless (exists $self->{channel}{$channel->{id}}) {
2809	$self->{channel}{$channel->{id}} = $channel;	3015	$self->{channel}{$channel->{id}} = $channel;
2810	$self->ext_msg (channel_info => $channel)	3016	$self->ext_msg (channel_info => $channel);
2811	if $self->can_msg;
2812	}	3017	}
2813		3018
2814	$channel = $channel->{id};	3019	$channel = $channel->{id};
2815	}	3020	}
2816		3021
2817	return unless @extra || length $msg;	3022	return unless @extra || length $msg;
2818		3023
2819	if ($self->can_msg) {
2820	# default colour, mask it out	3024	# default colour, mask it out
2821	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3025	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2822	if $color & cf::NDI_DEF;	3026	if $color & cf::NDI_DEF;
2823		3027
2824	my $pkt = "msg "	3028	my $pkt = "msg "
2825	. $self->{json_coder}->encode (	3029	. $self->{json_coder}->encode (
2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3030	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2827	);	3031	);
2828		3032
2829	# try lzf for large packets
2830	$pkt = "lzf " . Compress::LZF::compress $pkt
2831	if 1024 <= length $pkt and $self->{can_lzf};
2832
2833	# split very large packets
2834	if (8192 < length $pkt and $self->{can_lzf}) {
2835	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2836	$pkt = "frag";
2837	}
2838
2839	$self->send_packet ($pkt);	3033	$self->send_big_packet ($pkt);
2840	} else {
2841	if ($color >= 0) {
2842	# replace some tags by gcfclient-compatible ones
2843	for ($msg) {
2844	1 while
2845	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2846	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2847	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2848	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2849	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2850	}
2851
2852	$color &= cf::NDI_COLOR_MASK;
2853
2854	utf8::encode $msg;
2855
2856	if (0 && $msg =~ /\[/) {
2857	# COMMAND/INFO
2858	$self->send_packet ("drawextinfo $color 10 8 $msg")
2859	} else {
2860	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2861	$self->send_packet ("drawinfo $color $msg")
2862	}
2863	}
2864	}
2865	}	3034	}
2866		3035
2867	=item $client->ext_msg ($type, @msg)	3036	=item $client->ext_msg ($type, @msg)
2868		3037
2869	Sends an ext event to the client.	3038	Sends an ext event to the client.
…		…
2872		3041
2873	sub cf::client::ext_msg($$@) {	3042	sub cf::client::ext_msg($$@) {
2874	my ($self, $type, @msg) = @_;	3043	my ($self, $type, @msg) = @_;
2875		3044
2876	if ($self->extcmd == 2) {	3045	if ($self->extcmd == 2) {
2877	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3046	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2878	} elsif ($self->extcmd == 1) { # TODO: remove	3047	} elsif ($self->extcmd == 1) { # TODO: remove
2879	push @msg, msgtype => "event_$type";	3048	push @msg, msgtype => "event_$type";
2880	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2881	}	3050	}
2882	}	3051	}
2883		3052
2884	=item $client->ext_reply ($msgid, @msg)	3053	=item $client->ext_reply ($msgid, @msg)
2885		3054
…		…
2889		3058
2890	sub cf::client::ext_reply($$@) {	3059	sub cf::client::ext_reply($$@) {
2891	my ($self, $id, @msg) = @_;	3060	my ($self, $id, @msg) = @_;
2892		3061
2893	if ($self->extcmd == 2) {	3062	if ($self->extcmd == 2) {
2894	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3063	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2895	} elsif ($self->extcmd == 1) {	3064	} elsif ($self->extcmd == 1) {
2896	#TODO: version 1, remove	3065	#TODO: version 1, remove
2897	unshift @msg, msgtype => "reply", msgid => $id;	3066	unshift @msg, msgtype => "reply", msgid => $id;
2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3067	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2899	}	3068	}
2900	}	3069	}
2901		3070
2902	=item $success = $client->query ($flags, "text", \&cb)	3071	=item $success = $client->query ($flags, "text", \&cb)
2903		3072
…		…
3004		3173
3005	$coro	3174	$coro
3006	}	3175	}
3007		3176
3008	cf::client->attach (	3177	cf::client->attach (
3009	on_destroy => sub {	3178	on_client_destroy => sub {
3010	my ($ns) = @_;	3179	my ($ns) = @_;
3011		3180
3012	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3181	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3013	},	3182	},
3014	);	3183	);
…		…
3030	our $safe_hole = new Safe::Hole;	3199	our $safe_hole = new Safe::Hole;
3031		3200
3032	$SIG{FPE} = 'IGNORE';	3201	$SIG{FPE} = 'IGNORE';
3033		3202
3034	$safe->permit_only (Opcode::opset qw(	3203	$safe->permit_only (Opcode::opset qw(
3035	:base_core :base_mem :base_orig :base_math	3204	:base_core :base_mem :base_orig :base_math :base_loop
3036	grepstart grepwhile mapstart mapwhile	3205	grepstart grepwhile mapstart mapwhile
3037	sort time	3206	sort time
3038	));	3207	));
3039		3208
3040	# here we export the classes and methods available to script code	3209	# here we export the classes and methods available to script code
…		…
3044	The following functions and methods are available within a safe environment:	3213	The following functions and methods are available within a safe environment:
3045		3214
3046	cf::object	3215	cf::object
3047	contr pay_amount pay_player map x y force_find force_add destroy	3216	contr pay_amount pay_player map x y force_find force_add destroy
3048	insert remove name archname title slaying race decrease split	3217	insert remove name archname title slaying race decrease split
		3218	value
3049		3219
3050	cf::object::player	3220	cf::object::player
3051	player	3221	player
3052		3222
3053	cf::player	3223	cf::player
…		…
3059	=cut	3229	=cut
3060		3230
3061	for (	3231	for (
3062	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3232	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3063	insert remove inv nrof name archname title slaying race	3233	insert remove inv nrof name archname title slaying race
3064	decrease split destroy change_exp)],	3234	decrease split destroy change_exp value msg lore send_msg)],
3065	["cf::object::player" => qw(player)],	3235	["cf::object::player" => qw(player)],
3066	["cf::player" => qw(peaceful)],	3236	["cf::player" => qw(peaceful send_msg)],
3067	["cf::map" => qw(trigger)],	3237	["cf::map" => qw(trigger)],
3068	) {	3238	) {
3069	no strict 'refs';	3239	no strict 'refs';
3070	my ($pkg, @funs) = @$_;	3240	my ($pkg, @funs) = @$_;
3071	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3089		3259
3090	my $qcode = $code;	3260	my $qcode = $code;
3091	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3261	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3092	$qcode =~ s/\n/\\n/g;	3262	$qcode =~ s/\n/\\n/g;
3093		3263
		3264	%vars = (_dummy => 0) unless %vars;
		3265
		3266	my @res;
3094	local $_;	3267	local $_;
3095	local @safe::cf::_safe_eval_args = values %vars;
3096		3268
3097	my $eval =	3269	my $eval =
3098	"do {\n"	3270	"do {\n"
3099	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3271	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3100	. "#line 0 \"{$qcode}\"\n"	3272	. "#line 0 \"{$qcode}\"\n"
3101	. $code	3273	. $code
3102	. "\n}"	3274	. "\n}"
3103	;	3275	;
3104		3276
		3277	if ($CFG{safe_eval}) {
3105	sub_generation_inc;	3278	sub_generation_inc;
		3279	local @safe::cf::_safe_eval_args = values %vars;
3106	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3280	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3107	sub_generation_inc;	3281	sub_generation_inc;
		3282	} else {
		3283	local @cf::_safe_eval_args = values %vars;
		3284	@res = wantarray ? eval eval : scalar eval $eval;
		3285	}
3108		3286
3109	if ($@) {	3287	if ($@) {
3110	warn "$@";	3288	warn "$@";
3111	warn "while executing safe code '$code'\n";	3289	warn "while executing safe code '$code'\n";
3112	warn "with arguments " . (join " ", %vars) . "\n";	3290	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3131	=cut	3309	=cut
3132		3310
3133	sub register_script_function {	3311	sub register_script_function {
3134	my ($fun, $cb) = @_;	3312	my ($fun, $cb) = @_;
3135		3313
3136	no strict 'refs';	3314	$fun = "safe::$fun" if $CFG{safe_eval};
3137	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3315	*$fun = $safe_hole->wrap ($cb);
3138	}	3316	}
3139		3317
3140	=back	3318	=back
3141		3319
3142	=cut	3320	=cut
…		…
3163		3341
3164	$facedata->{version} == 2	3342	$facedata->{version} == 2
3165	or cf::cleanup "$path: version mismatch, cannot proceed.";	3343	or cf::cleanup "$path: version mismatch, cannot proceed.";
3166		3344
3167	# patch in the exptable	3345	# patch in the exptable
		3346	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3168	$facedata->{resource}{"res/exp_table"} = {	3347	$facedata->{resource}{"res/exp_table"} = {
3169	type => FT_RSRC,	3348	type => FT_RSRC,
3170	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3349	data => $exp_table,
		3350	hash => (Digest::MD5::md5 $exp_table),
3171	};	3351	};
3172	cf::cede_to_tick;	3352	cf::cede_to_tick;
3173		3353
3174	{	3354	{
3175	my $faces = $facedata->{faceinfo};	3355	my $faces = $facedata->{faceinfo};
…		…
3177	while (my ($face, $info) = each %$faces) {	3357	while (my ($face, $info) = each %$faces) {
3178	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3358	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3179		3359
3180	cf::face::set_visibility $idx, $info->{visibility};	3360	cf::face::set_visibility $idx, $info->{visibility};
3181	cf::face::set_magicmap $idx, $info->{magicmap};	3361	cf::face::set_magicmap $idx, $info->{magicmap};
3182	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3362	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3183	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3363	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3184		3364
3185	cf::cede_to_tick;	3365	cf::cede_to_tick;
3186	}	3366	}
3187		3367
3188	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
…		…
3212		3392
3213	cf::anim::invalidate_all; # d'oh	3393	cf::anim::invalidate_all; # d'oh
3214	}	3394	}
3215		3395
3216	{	3396	{
3217	# TODO: for gcfclient pleasure, we should give resources
3218	# that gcfclient doesn't grok a >10000 face index.
3219	my $res = $facedata->{resource};	3397	my $res = $facedata->{resource};
3220		3398
3221	while (my ($name, $info) = each %$res) {	3399	while (my ($name, $info) = each %$res) {
3222	if (defined $info->{type}) {	3400	if (defined $info->{type}) {
3223	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3401	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3224	my $data;
3225		3402
3226	if ($info->{type} & 1) {	3403	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3227	# prepend meta info
3228
3229	my $meta = $enc->encode ({
3230	name => $name,
3231	%{ $info->{meta} || {} },
3232	});
3233
3234	$data = pack "(w/a*)*", $meta, $info->{data};
3235	} else {
3236	$data = $info->{data};
3237	}
3238
3239	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3240	cf::face::set_type $idx, $info->{type};	3404	cf::face::set_type $idx, $info->{type};
3241	} else {	3405	} else {
3242	$RESOURCE{$name} = $info;	3406	$RESOURCE{$name} = $info;
3243	}	3407	}
3244		3408
…		…
3327	reload_treasures;	3491	reload_treasures;
3328		3492
3329	warn "finished reloading resource files\n";	3493	warn "finished reloading resource files\n";
3330	}	3494	}
3331		3495
3332	sub init {
3333	my $guard = freeze_mainloop;
3334
3335	evthread_start IO::AIO::poll_fileno;
3336
3337	reload_resources;
3338	}
3339
3340	sub reload_config {	3496	sub reload_config {
		3497	warn "reloading config file...\n";
		3498
3341	open my $fh, "<:utf8", "$CONFDIR/config"	3499	open my $fh, "<:utf8", "$CONFDIR/config"
3342	or return;	3500	or return;
3343		3501
3344	local $/;	3502	local $/;
3345	*CFG = YAML::Load <$fh>;	3503	*CFG = YAML::XS::Load scalar <$fh>;
3346		3504
3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3505	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3348		3506
3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3507	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3508	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3354	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3512	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3355	and die "WARNING: m(un)lockall failed: $!\n";	3513	and die "WARNING: m(un)lockall failed: $!\n";
3356	};	3514	};
3357	warn $@ if $@;	3515	warn $@ if $@;
3358	}	3516	}
		3517
		3518	warn "finished reloading resource files\n";
3359	}	3519	}
3360		3520
3361	sub pidfile() {	3521	sub pidfile() {
3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT	3522	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3363	or die "$PIDFILE: $!";	3523	or die "$PIDFILE: $!";
…		…
3375		3535
3376	seek $fh, 0, 0;	3536	seek $fh, 0, 0;
3377	print $fh $$;	3537	print $fh $$;
3378	}	3538	}
3379		3539
		3540	sub main_loop {
		3541	warn "EV::loop starting\n";
		3542	if (1) {
		3543	EV::loop;
		3544	}
		3545	warn "EV::loop returned\n";
		3546	goto &main_loop unless $REALLY_UNLOOP;
		3547	}
		3548
3380	sub main {	3549	sub main {
3381	atomic;	3550	cf::init_globals; # initialise logging
		3551
		3552	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3553	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3554	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3555	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3556
		3557	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3382		3558
3383	# we must not ever block the main coroutine	3559	# we must not ever block the main coroutine
3384	local $Coro::idle = sub {	3560	local $Coro::idle = sub {
3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3561	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3386	(async {	3562	(async {
3387	$Coro::current->{desc} = "IDLE BUG HANDLER";	3563	$Coro::current->{desc} = "IDLE BUG HANDLER";
3388	EV::loop EV::LOOP_ONESHOT;	3564	EV::loop EV::LOOP_ONESHOT;
3389	})->prio (Coro::PRIO_MAX);	3565	})->prio (Coro::PRIO_MAX);
3390	};	3566	};
3391		3567
3392	{	3568	evthread_start IO::AIO::poll_fileno;
3393	my $guard = freeze_mainloop;	3569
		3570	cf::sync_job {
		3571	cf::init_experience;
		3572	cf::init_anim;
		3573	cf::init_attackmess;
		3574	cf::init_dynamic;
		3575
		3576	cf::load_settings;
		3577	cf::load_materials;
		3578
		3579	reload_resources;
3394	reload_config;	3580	reload_config;
3395	db_init;	3581	db_init;
		3582
		3583	cf::init_uuid;
		3584	cf::init_signals;
		3585	cf::init_skills;
		3586
		3587	cf::init_beforeplay;
		3588
		3589	atomic;
		3590
3396	load_extensions;	3591	load_extensions;
3397		3592
3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3399	}
3400
3401	utime time, time, $RUNTIMEFILE;	3593	utime time, time, $RUNTIMEFILE;
3402		3594
3403	# no (long-running) fork's whatsoever before this point(!)	3595	# no (long-running) fork's whatsoever before this point(!)
		3596	use POSIX ();
3404	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3597	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3405		3598
3406	EV::loop;	3599	(pop @POST_INIT)->(0) while @POST_INIT;
		3600	};
		3601
		3602	cf::object::thawer::errors_are_fatal 0;
		3603	warn "parse errors in files are no longer fatal from this point on.\n";
		3604
		3605	main_loop;
3407	}	3606	}
3408		3607
3409	#############################################################################	3608	#############################################################################
3410	# initialisation and cleanup	3609	# initialisation and cleanup
3411		3610
3412	# install some emergency cleanup handlers	3611	# install some emergency cleanup handlers
3413	BEGIN {	3612	BEGIN {
3414	our %SIGWATCHER = ();	3613	our %SIGWATCHER = ();
3415	for my $signal (qw(INT HUP TERM)) {	3614	for my $signal (qw(INT HUP TERM)) {
3416	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3615	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3417	cf::cleanup "SIG$signal";	3616	cf::cleanup "SIG$signal";
3418	};	3617	};
3419	}	3618	}
3420	}	3619	}
3421		3620
3422	sub write_runtime_sync {	3621	sub write_runtime_sync {
		3622	my $t0 = AE::time;
		3623
3423	# first touch the runtime file to show we are still running:	3624	# first touch the runtime file to show we are still running:
3424	# the fsync below can take a very very long time.	3625	# the fsync below can take a very very long time.
3425		3626
3426	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3627	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3427		3628
3428	my $guard = cf::lock_acquire "write_runtime";	3629	my $guard = cf::lock_acquire "write_runtime";
3429		3630
3430	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3631	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3431	or return;	3632	or return;
3432		3633
3433	my $value = $cf::RUNTIME + 90 + 10;	3634	my $value = $cf::RUNTIME + 90 + 10;
3434	# 10 is the runtime save interval, for a monotonic clock	3635	# 10 is the runtime save interval, for a monotonic clock
3435	# 60 allows for the watchdog to kill the server.	3636	# 60 allows for the watchdog to kill the server.
…		…
3448	or return;	3649	or return;
3449		3650
3450	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	3651	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3451	and return;	3652	and return;
3452		3653
3453	warn "runtime file written.\n";	3654	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3454		3655
3455	1	3656	1
3456	}	3657	}
3457		3658
3458	our $uuid_lock;	3659	our $uuid_lock;
…		…
3467	my $uuid = "$LOCALDIR/uuid";	3668	my $uuid = "$LOCALDIR/uuid";
3468		3669
3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3670	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3470	or return;	3671	or return;
3471		3672
3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3673	my $value = uuid_seq uuid_cur;
		3674
		3675	unless ($value) {
		3676	warn "cowardly refusing to write zero uuid value!\n";
		3677	return;
		3678	}
		3679
		3680	my $value = uuid_str $value + $uuid_skip;
3473	$uuid_skip = 0;	3681	$uuid_skip = 0;
3474		3682
3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3683	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3476	and return;	3684	and return;
3477		3685
…		…
3499	}	3707	}
3500		3708
3501	sub emergency_save() {	3709	sub emergency_save() {
3502	my $freeze_guard = cf::freeze_mainloop;	3710	my $freeze_guard = cf::freeze_mainloop;
3503		3711
3504	warn "enter emergency perl save\n";	3712	warn "emergency_perl_save: enter\n";
3505		3713
3506	cf::sync_job {	3714	cf::sync_job {
		3715	# this is a trade-off: we want to be very quick here, so
		3716	# save all maps without fsync, and later call a global sync
		3717	# (which in turn might be very very slow)
		3718	local $USE_FSYNC = 0;
		3719
3507	# use a peculiar iteration method to avoid tripping on perl	3720	# use a peculiar iteration method to avoid tripping on perl
3508	# refcount bugs in for. also avoids problems with players	3721	# refcount bugs in for. also avoids problems with players
3509	# and maps saved/destroyed asynchronously.	3722	# and maps saved/destroyed asynchronously.
3510	warn "begin emergency player save\n";	3723	warn "emergency_perl_save: begin player save\n";
3511	for my $login (keys %cf::PLAYER) {	3724	for my $login (keys %cf::PLAYER) {
3512	my $pl = $cf::PLAYER{$login} or next;	3725	my $pl = $cf::PLAYER{$login} or next;
3513	$pl->valid or next;	3726	$pl->valid or next;
3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3727	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3515	$pl->save;	3728	$pl->save;
3516	}	3729	}
3517	warn "end emergency player save\n";	3730	warn "emergency_perl_save: end player save\n";
3518		3731
3519	warn "begin emergency map save\n";	3732	warn "emergency_perl_save: begin map save\n";
3520	for my $path (keys %cf::MAP) {	3733	for my $path (keys %cf::MAP) {
3521	my $map = $cf::MAP{$path} or next;	3734	my $map = $cf::MAP{$path} or next;
3522	$map->valid or next;	3735	$map->valid or next;
3523	$map->save;	3736	$map->save;
3524	}	3737	}
3525	warn "end emergency map save\n";	3738	warn "emergency_perl_save: end map save\n";
3526		3739
3527	warn "begin emergency database checkpoint\n";	3740	warn "emergency_perl_save: begin database checkpoint\n";
3528	BDB::db_env_txn_checkpoint $DB_ENV;	3741	BDB::db_env_txn_checkpoint $DB_ENV;
3529	warn "end emergency database checkpoint\n";	3742	warn "emergency_perl_save: end database checkpoint\n";
3530		3743
3531	warn "begin write uuid\n";	3744	warn "emergency_perl_save: begin write uuid\n";
3532	write_uuid_sync 1;	3745	write_uuid_sync 1;
3533	warn "end write uuid\n";	3746	warn "emergency_perl_save: end write uuid\n";
3534	};	3747	};
3535		3748
		3749	warn "emergency_perl_save: starting sync()\n";
		3750	IO::AIO::aio_sync sub {
		3751	warn "emergency_perl_save: finished sync()\n";
		3752	};
		3753
3536	warn "leave emergency perl save\n";	3754	warn "emergency_perl_save: leave\n";
3537	}	3755	}
3538		3756
3539	sub post_cleanup {	3757	sub post_cleanup {
3540	my ($make_core) = @_;	3758	my ($make_core) = @_;
3541		3759
…		…
3567	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3785	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3568	for my $name (keys %$leaf_symtab) {	3786	for my $name (keys %$leaf_symtab) {
3569	_gv_clear *{"$pkg$name"};	3787	_gv_clear *{"$pkg$name"};
3570	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3788	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3571	}	3789	}
3572	warn "cleared package #$pkg\n";#d#	3790	warn "cleared package $pkg\n";#d#
3573	}	3791	}
3574
3575	our $RELOAD; # how many times to reload
3576		3792
3577	sub do_reload_perl() {	3793	sub do_reload_perl() {
3578	# can/must only be called in main	3794	# can/must only be called in main
3579	if ($Coro::current != $Coro::main) {	3795	if ($Coro::current != $Coro::main) {
3580	warn "can only reload from main coroutine";	3796	warn "can only reload from main coroutine";
3581	return;	3797	return;
3582	}	3798	}
3583		3799
3584	return if $RELOAD++;	3800	return if $RELOAD++;
		3801
		3802	my $t1 = AE::time;
3585		3803
3586	while ($RELOAD) {	3804	while ($RELOAD) {
3587	warn "reloading...";	3805	warn "reloading...";
3588		3806
3589	warn "entering sync_job";	3807	warn "entering sync_job";
…		…
3650	clear_package "safe::$_"	3868	clear_package "safe::$_"
3651	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3869	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3652		3870
3653	warn "unloading cf.pm \"a bit\"";	3871	warn "unloading cf.pm \"a bit\"";
3654	delete $INC{"cf.pm"};	3872	delete $INC{"cf.pm"};
3655	delete $INC{"cf/pod.pm"};	3873	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3656		3874
3657	# don't, removes xs symbols, too,	3875	# don't, removes xs symbols, too,
3658	# and global variables created in xs	3876	# and global variables created in xs
3659	#clear_package __PACKAGE__;	3877	#clear_package __PACKAGE__;
3660		3878
3661	warn "unload completed, starting to reload now";	3879	warn "unload completed, starting to reload now";
3662		3880
3663	warn "reloading cf.pm";	3881	warn "reloading cf.pm";
3664	require cf;	3882	require cf;
3665	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3883	cf::_connect_to_perl_1;
3666		3884
3667	warn "loading config and database again";	3885	warn "loading config and database again";
3668	cf::reload_config;	3886	cf::reload_config;
3669		3887
3670	warn "loading extensions";	3888	warn "loading extensions";
3671	cf::load_extensions;	3889	cf::load_extensions;
3672		3890
		3891	if ($REATTACH_ON_RELOAD) {
3673	warn "reattaching attachments to objects/players";	3892	warn "reattaching attachments to objects/players";
3674	_global_reattach; # objects, sockets	3893	_global_reattach; # objects, sockets
3675	warn "reattaching attachments to maps";	3894	warn "reattaching attachments to maps";
3676	reattach $_ for values %MAP;	3895	reattach $_ for values %MAP;
3677	warn "reattaching attachments to players";	3896	warn "reattaching attachments to players";
3678	reattach $_ for values %PLAYER;	3897	reattach $_ for values %PLAYER;
		3898	}
		3899
		3900	warn "running post_init jobs";
		3901	(pop @POST_INIT)->(1) while @POST_INIT;
3679		3902
3680	warn "leaving sync_job";	3903	warn "leaving sync_job";
3681		3904
3682	1	3905	1
3683	} or do {	3906	} or do {
…		…
3686	};	3909	};
3687		3910
3688	warn "reloaded";	3911	warn "reloaded";
3689	--$RELOAD;	3912	--$RELOAD;
3690	}	3913	}
		3914
		3915	$t1 = AE::time - $t1;
		3916	warn "reload completed in ${t1}s\n";
3691	};	3917	};
3692		3918
3693	our $RELOAD_WATCHER; # used only during reload	3919	our $RELOAD_WATCHER; # used only during reload
3694		3920
3695	sub reload_perl() {	3921	sub reload_perl() {
3696	# doing reload synchronously and two reloads happen back-to-back,	3922	# doing reload synchronously and two reloads happen back-to-back,
3697	# coro crashes during coro_state_free->destroy here.	3923	# coro crashes during coro_state_free->destroy here.
3698		3924
		3925	$RELOAD_WATCHER ||= cf::async {
		3926	Coro::AIO::aio_wait cache_extensions;
		3927
3699	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3928	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3700	do_reload_perl;	3929	do_reload_perl;
3701	undef $RELOAD_WATCHER;	3930	undef $RELOAD_WATCHER;
		3931	};
3702	};	3932	};
3703	}	3933	}
3704		3934
3705	register_command "reload" => sub {	3935	register_command "reload" => sub {
3706	my ($who, $arg) = @_;	3936	my ($who, $arg) = @_;
…		…
3720		3950
3721	our @WAIT_FOR_TICK;	3951	our @WAIT_FOR_TICK;
3722	our @WAIT_FOR_TICK_BEGIN;	3952	our @WAIT_FOR_TICK_BEGIN;
3723		3953
3724	sub wait_for_tick {	3954	sub wait_for_tick {
3725	return if tick_inhibit || $Coro::current == $Coro::main;	3955	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3726		3956
3727	my $signal = new Coro::Signal;	3957	my $signal = new Coro::Signal;
3728	push @WAIT_FOR_TICK, $signal;	3958	push @WAIT_FOR_TICK, $signal;
3729	$signal->wait;	3959	$signal->wait;
3730	}	3960	}
3731		3961
3732	sub wait_for_tick_begin {	3962	sub wait_for_tick_begin {
3733	return if tick_inhibit || $Coro::current == $Coro::main;	3963	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3734		3964
3735	my $signal = new Coro::Signal;	3965	my $signal = new Coro::Signal;
3736	push @WAIT_FOR_TICK_BEGIN, $signal;	3966	push @WAIT_FOR_TICK_BEGIN, $signal;
3737	$signal->wait;	3967	$signal->wait;
3738	}	3968	}
…		…
3743	unless ++$bug_warning > 10;	3973	unless ++$bug_warning > 10;
3744	return;	3974	return;
3745	}	3975	}
3746		3976
3747	cf::server_tick; # one server iteration	3977	cf::server_tick; # one server iteration
		3978
		3979	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3748		3980
3749	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3981	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3750	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3982	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3751	Coro::async_pool {	3983	Coro::async_pool {
3752	$Coro::current->{desc} = "runtime saver";	3984	$Coro::current->{desc} = "runtime saver";
…		…
3775	}	4007	}
3776		4008
3777	{	4009	{
3778	# configure BDB	4010	# configure BDB
3779		4011
3780	BDB::min_parallel 8;	4012	BDB::min_parallel 16;
3781	BDB::max_poll_reqs $TICK * 0.1;	4013	BDB::max_poll_reqs $TICK * 0.1;
3782	$AnyEvent::BDB::WATCHER->priority (1);	4014	$AnyEvent::BDB::WATCHER->priority (1);
3783		4015
3784	unless ($DB_ENV) {	4016	unless ($DB_ENV) {
3785	$DB_ENV = BDB::db_env_create;	4017	$DB_ENV = BDB::db_env_create;
…		…
3832	$msg =~ s/\n//;	4064	$msg =~ s/\n//;
3833		4065
3834	# limit the # of concurrent backtraces	4066	# limit the # of concurrent backtraces
3835	if ($_log_backtrace < 2) {	4067	if ($_log_backtrace < 2) {
3836	++$_log_backtrace;	4068	++$_log_backtrace;
		4069	my $perl_bt = Carp::longmess $msg;
3837	async {	4070	async {
3838	$Coro::current->{desc} = "abt $msg";	4071	$Coro::current->{desc} = "abt $msg";
3839		4072
3840	my @bt = fork_call {	4073	my @bt = fork_call {
3841	@addr = map { sprintf "%x", $_ } @addr;	4074	@addr = map { sprintf "%x", $_ } @addr;
…		…
3852	}	4085	}
3853		4086
3854	@funcs	4087	@funcs
3855	};	4088	};
3856		4089
3857	LOG llevInfo, "[ABT] $msg\n";	4090	LOG llevInfo, "[ABT] $perl_bt\n";
		4091	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3858	LOG llevInfo, "[ABT] $_\n" for @bt;	4092	LOG llevInfo, "[ABT] $_\n" for @bt;
3859	--$_log_backtrace;	4093	--$_log_backtrace;
3860	};	4094	};
3861	} else {	4095	} else {
3862	LOG llevInfo, "[ABT] $msg\n";	4096	LOG llevInfo, "[ABT] $msg\n";
3863	LOG llevInfo, "[ABT] [suppressed]\n";	4097	LOG llevInfo, "[ABT] [suppressed]\n";
3864	}	4098	}
3865	}	4099	}
3866		4100
3867	# load additional modules	4101	# load additional modules
3868	use cf::pod;	4102	require "cf/$_.pm" for @EXTRA_MODULES;
		4103	cf::_connect_to_perl_2;
3869		4104
3870	END { cf::emergency_save }	4105	END { cf::emergency_save }
3871		4106
3872	1	4107	1
3873		4108

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