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Revision 1.409 by root, Mon Jan 14 11:41:48 2008 UTC vs.
Revision 1.507 by root, Sat Mar 20 02:24:38 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use EV 1.86;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
13	use Storable ();	36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 4.32 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
18	use Coro::EV;	43	use Coro::EV;
		44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
23	use Coro::BDB;	51	use Coro::BDB 1.6;
24	use Coro::Storable;	52	use Coro::Storable;
25	use Coro::Util ();	53	use Coro::Util ();
26		54
27	use JSON::XS 2.01 ();	55	use JSON::XS 2.01 ();
28	use BDB ();	56	use BDB ();
29	use Data::Dumper;	57	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	58	use Fcntl;
32	use YAML ();	59	use YAML::XS ();
33	use IO::AIO 2.51 ();	60	use IO::AIO ();
34	use Time::HiRes;	61	use Time::HiRes;
35	use Compress::LZF;	62	use Compress::LZF;
36	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
37		66
38	# configure various modules to our taste	67	# configure various modules to our taste
39	#	68	#
40	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
41	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";
42	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
43		77
44	$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" };
45		80
46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
47		82
48	our %COMMAND = ();	83	our %COMMAND = ();
49	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
52	our %EXTCMD = ();	87	our %EXTCMD = ();
53	our %EXTICMD = ();	88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
71	our %RESOURCE;	111	our %RESOURCE;
72		112
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	115	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		117
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	121	our $DB_ENV;
85		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
86	our %CFG;	125	our %CFG;
87		126
88	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	128	our $RUNTIME;
90	our $NOW;	129	our $NOW;
…		…
96	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		137
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
102		147
103	binmode STDOUT;	148	binmode STDOUT;
104	binmode STDERR;	149	binmode STDERR;
105		150
106	# read virtual server time, if available	151	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
111	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
112		159
113	mkdir $_	160	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		162
116	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
117		164
118	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		177
120	#############################################################################	178	#############################################################################
121		179
122	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
123		181
…		…
170	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		230
173	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
174		232
175	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	235	that call.
178		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
179	=back	243	=back
180		244
181	=cut	245	=cut
182		246
183	BEGIN {	247	$Coro::State::WARNHOOK = sub {
184	*CORE::GLOBAL::warn = sub {
185	my $msg = join "", @_;	248	my $msg = join "", @_;
186		249
187	$msg .= "\n"	250	$msg .= "\n"
188	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
189		252
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		254
192	LOG llevError, $msg;	255	LOG llevError, $msg;
193	};	256	};
194	}
195		257
196	$Coro::State::DIEHOOK = sub {	258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
197	warn Carp::longmess $_[0];	261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
198	Coro::terminate;	269	Coro::terminate
199	};	270	};
200		271
201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
…		…
211	for my $pkg (qw(	282	for my $pkg (qw(
212	cf::global cf::attachable	283	cf::global cf::attachable
213	cf::object cf::object::player	284	cf::object cf::object::player
214	cf::client cf::player	285	cf::client cf::player
215	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
216	cf::map cf::party cf::region	288	cf::party cf::region
217	)) {	289	)) {
218	no strict 'refs';
219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
220	}	291	}
221		292
222	$EV::DIED = sub {	293	$EV::DIED = sub {
223	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
224	};	295	};
225		296
226	#############################################################################	297	#############################################################################
227		298
228	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
266		337
267	sub encode_json($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
268	sub decode_json($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
269		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
		354
270	=item cf::lock_wait $string	355	=item cf::lock_wait $string
271		356
272	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
273		358
274	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
275		360
276	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
278	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
279	returned.	364	returned.
280		365
281	Locks are *not* recursive, locking from the same coro twice results in a	366	Locks are *not* recursive, locking from the same coro twice results in a
282	deadlocked coro.	367	deadlocked coro.
…		…
288		373
289	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
290		375
291	=cut	376	=cut
292		377
293	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
294	our %LOCKER;#d#
295		379
296	sub lock_wait($) {	380	sub lock_wait($) {
297	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
298
299	if ($LOCKER{$key} == $Coro::current) {#d#
300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
301	return;#d#
302	}#d#
303
304	# wait for lock, if any
305	while ($LOCK{$key}) {
306	push @{ $LOCK{$key} }, $Coro::current;
307	Coro::schedule;
308	}
309	}	382	}
310		383
311	sub lock_acquire($) {	384	sub lock_acquire($) {
312	my ($key) = @_;	385	$LOCKS->guard ($_[0])
313
314	# wait, to be sure we are not locked
315	lock_wait $key;
316
317	$LOCK{$key} = [];
318	$LOCKER{$key} = $Coro::current;#d#
319
320	Coro::guard {
321	delete $LOCKER{$key};#d#
322	# wake up all waiters, to be on the safe side
323	$_->ready for @{ delete $LOCK{$key} };
324	}
325	}	386	}
326		387
327	sub lock_active($) {	388	sub lock_active($) {
328	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
329
330	! ! $LOCK{$key}
331	}	390	}
332		391
333	sub freeze_mainloop {	392	sub freeze_mainloop {
334	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
335		394
336	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
337	$TICK_WATCHER->start;
338	};
339	$TICK_WATCHER->stop;
340	$guard
341	}	396	}
342		397
343	=item cf::periodic $interval, $cb	398	=item cf::periodic $interval, $cb
344		399
345	Like EV::periodic, but randomly selects a starting point so that the actions	400	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
368		423
369	=cut	424	=cut
370		425
371	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
372	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
373		429
374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
375	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
376	$Coro::current->desc ("timeslot manager");	432	$Coro::current->desc ("timeslot manager");
377		433
378	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
379		436
380	while () {	437	while () {
381	next_job:	438	next_job:
		439
382	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
383	if ($avail > 0.01) {	441
384	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
385	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
386	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
387	$job->[2]->send;	446	$job->[2]->send;
388	Coro::cede;	447	Coro::cede;
389	goto next_job;	448	goto next_job;
390	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
391	}	451	}
392	}	452	}
393		453
394	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
395	# we do not use wait_for_tick() as it returns immediately when tick is inactive	455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
396	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
397	$signal->wait;	457	$signal->wait;
398	} else {	458	} else {
		459	$busy = 0;
399	Coro::schedule;	460	Coro::schedule;
400	}	461	}
401	}	462	}
402	};	463	};
403		464
404	sub get_slot($;$$) {	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
405	my ($time, $pri, $name) = @_;	468	my ($time, $pri, $name) = @_;
406		469
407	$time = $TICK * .6 if $time > $TICK * .6;	470	$time = clamp $time, 0.01, $TICK * .6;
		471
408	my $sig = new Coro::Signal;	472	my $sig = new Coro::Signal;
409		473
410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
412	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
…		…
446	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
447	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
448		512
449	LOG llevError, Carp::longmess "sync job";#d#	513	LOG llevError, Carp::longmess "sync job";#d#
450		514
451	# TODO: use suspend/resume instead
452	# (but this is cancel-safe)
453	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
454		516
455	my $busy = 1;	517	my $busy = 1;
456	my @res;	518	my @res;
457		519
…		…
468	} else {	530	} else {
469	EV::loop EV::LOOP_ONESHOT;	531	EV::loop EV::LOOP_ONESHOT;
470	}	532	}
471	}	533	}
472		534
473	$time = EV::time - $time;	535	my $time = EV::time - $time;
474		536
475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
477
478	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
479		538
480	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
481	} else {	540	} else {
482	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
483		542
…		…
525	reset_signals;	584	reset_signals;
526	&$cb	585	&$cb
527	}, @args;	586	}, @args;
528		587
529	wantarray ? @res : $res[-1]	588	wantarray ? @res : $res[-1]
		589	}
		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
530	}	616	}
531		617
532	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
533		619
534	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
673		759
674	#############################################################################	760	#############################################################################
675		761
676	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
677		763
678	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
679	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
680	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
681		767
682	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
683	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
733	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
734		820
735	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
736	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
737		823
738	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
739	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
740		826
741	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
742		828
743	=over 4	829	=over 4
…		…
1034		1120
1035	sub reattach {	1121	sub reattach {
1036	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
1037	my ($obj) = @_;	1123	my ($obj) = @_;
1038		1124
		1125	# no longer needed after getting rid of delete_package?
1039	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1040		1127
1041	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
1042		1129
1043	@$registry = ();	1130	@$registry = ();
1044		1131
…		…
1090	utf8::decode (my $decname = $filename);	1177	utf8::decode (my $decname = $filename);
1091	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1092	$decname, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1093		1180
1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1095	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1097	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	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;
		1186	aio_fsync $fh;
		1187	}
1098	close $fh;	1188	aio_close $fh;
1099		1189
1100	if (@$objs) {	1190	if (@$objs) {
1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1102	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1104	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1105	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	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;
		1197	aio_fsync $fh;
		1198	}
1106	close $fh;	1199	aio_close $fh;
1107	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1108	}	1201	}
1109	} else {	1202	} else {
1110	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1111	}	1204	}
1112		1205
1113	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1114	} else {	1210	} else {
1115	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1116	}	1212	}
1117	} else {	1213	} else {
1118	aio_unlink $filename;	1214	aio_unlink $filename;
1119	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1120	}	1216	}
…		…
1211	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1212		1308
1213	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1214	}	1310	}
1215		1311
		1312	use File::Glob ();
		1313
1216	cf::player->attach (	1314	cf::player->attach (
1217	on_command => sub {	1315	on_command => sub {
1218	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1219		1317
1220	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
…		…
1252		1350
1253	cf::override;	1351	cf::override;
1254	},	1352	},
1255	);	1353	);
1256		1354
		1355	# "readahead" all extensions
		1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
		1358
		1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
		1364
		1365	$grp
		1366	}
		1367
1257	sub load_extensions {	1368	sub load_extensions {
1258	cf::sync_job {	1369	cf::sync_job {
1259	my %todo;	1370	my %todo;
1260		1371
1261	for my $path (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
…		…
1280		1391
1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1283		1394
1284	$ext{source} =	1395	$ext{source} =
1285	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1286	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1287	. $source	1398	. $source
1288	. "\n};\n1";	1399	. "\n};\n1";
1289		1400
1290	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1291	}	1402	}
1292		1403
		1404	my $pass = 0;
1293	my %done;	1405	my %done;
1294	while (%todo) {	1406	while (%todo) {
1295	my $progress;	1407	my $progress;
1296		1408
		1409	++$pass;
		1410
		1411	ext:
1297	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1298	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1299	goto skip	1414	next ext
1300	unless exists $done{$_};	1415	unless exists $done{$_};
1301	}	1416	}
1302		1417
1303	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1304		1419
1305	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1306	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1307	: "$v->{base}: extension inactive.\n";
1308		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1309	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1310	warn $msg;	1427	} else {
1311	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1312	exit 1;	1429	push @EXTS, $v->{pkg};
1313	}	1430	$progress = 1;
1314		1431
1315	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1316	}	1434	}
1317
1318	$done{$k} = delete $todo{$k};
1319	push @EXTS, $v->{pkg};
1320	$progress = 1;
1321	}	1435	}
1322		1436
1323	skip:	1437	unless ($progress) {
1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1325	unless $progress;	1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
1326	}	1445	}
1327	};	1446	};
1328	}	1447	}
1329		1448
1330	#############################################################################	1449	#############################################################################
1331		1450
1332	=back	1451	=back
1333		1452
1334	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1335		1454
1336	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1337		1456
1338	=cut	1457	=cut
1339		1458
1340	package cf::player;	1459	package cf::player;
1341		1460
…		…
1384		1503
1385	sub exists($) {	1504	sub exists($) {
1386	my ($login) = @_;	1505	my ($login) = @_;
1387		1506
1388	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1389	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1390	}	1509	}
1391		1510
1392	sub find($) {	1511	sub find($) {
1393	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1394	my $login = $_[0];	1513	my $login = $_[0];
…		…
1406	my $f = new_from_file cf::object::thawer path $login	1525	my $f = new_from_file cf::object::thawer path $login
1407	or return;	1526	or return;
1408		1527
1409	my $pl = cf::player::load_pl $f	1528	my $pl = cf::player::load_pl $f
1410	or return;	1529	or return;
		1530
1411	local $cf::PLAYER_LOADING{$login} = $pl;	1531	local $cf::PLAYER_LOADING{$login} = $pl;
1412	$f->resolve_delayed_derefs;	1532	$f->resolve_delayed_derefs;
1413	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1414	}	1534	}
1415	}	1535	}
…		…
1425		1545
1426	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1427		1547
1428	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1429	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
		1550
		1551	cf::get_slot 0.01;
1430		1552
1431	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1432	cf::cede_to_tick;	1554	cf::cede_to_tick;
1433	}	1555	}
1434		1556
…		…
1466	my ($pl) = @_;	1588	my ($pl) = @_;
1467		1589
1468	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1469		1591
1470	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1471	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1472		1594
1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1474	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1475	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1476	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1477		1601
1478	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1479	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1518		1642
1519	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
1520	my $path = path $login;	1644	my $path = path $login;
1521		1645
1522	# a .pst is a dead give-away for a valid player	1646	# a .pst is a dead give-away for a valid player
1523	unless (-e "$path.pst") {	1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1525	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1526	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
1527	}	1652	}
1528		1653
…		…
1559	}	1684	}
1560		1685
1561	\@paths	1686	\@paths
1562	}	1687	}
1563		1688
1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1565		1690
1566	Expand crossfire pod fragments into protocol xml.	1691	Expand deliantra pod fragments into protocol xml.
1567
1568	=cut
1569
1570	use re 'eval';
1571
1572	my $group;
1573	my $interior; $interior = qr{
1574	# match a pod interior sequence sans C<< >>
1575	(?:
1576	\ (.*?)\ (?{ $group = $^N })
1577	| < (??{$interior}) >
1578	)
1579	}x;
1580
1581	sub expand_cfpod {
1582	my ($self, $pod) = @_;
1583
1584	my $xml;
1585
1586	while () {
1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1588	$group = $1;
1589
1590	$group =~ s/&/&amp;/g;
1591	$group =~ s/</&lt;/g;
1592
1593	$xml .= $group;
1594	} elsif ($pod =~ m%\G
1595	([BCGHITU])
1596	<
1597	(?:
1598	([^<>]*) (?{ $group = $^N })
1599	| < $interior >
1600	)
1601	>
1602	%gcsx
1603	) {
1604	my ($code, $data) = ($1, $group);
1605
1606	if ($code eq "B") {
1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1608	} elsif ($code eq "I") {
1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1610	} elsif ($code eq "U") {
1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1612	} elsif ($code eq "C") {
1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1614	} elsif ($code eq "T") {
1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1616	} elsif ($code eq "G") {
1617	my ($male, $female) = split /\|/, $data;
1618	$data = $self->gender ? $female : $male;
1619	$xml .= expand_cfpod ($self, $data);
1620	} elsif ($code eq "H") {
1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1623	"")
1624	[$self->{hintmode}];
1625	} else {
1626	$xml .= "error processing '$code($data)' directive";
1627	}
1628	} else {
1629	if ($pod =~ /\G(.+)/) {
1630	warn "parse error while expanding $pod (at $1)";
1631	}
1632	last;
1633	}
1634	}
1635
1636	for ($xml) {
1637	# create single paragraphs (very hackish)
1638	s/(?<=\S)\n(?=\w)/ /g;
1639
1640	# compress some whitespace
1641	s/\s+\n/\n/g; # ws line-ends
1642	s/\n\n+/\n/g; # double lines
1643	s/^\n+//; # beginning lines
1644	s/\n+$//; # ending lines
1645	}
1646
1647	$xml
1648	}
1649
1650	no re 'eval';
1651
1652	sub hintmode {
1653	$_[0]{hintmode} = $_[1] if @_ > 1;
1654	$_[0]{hintmode}
1655	}
1656		1692
1657	=item $player->ext_reply ($msgid, @msg)	1693	=item $player->ext_reply ($msgid, @msg)
1658		1694
1659	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1660		1696
…		…
1727	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1728	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1729		1765
1730	sub generate_random_map {	1766	sub generate_random_map {
1731	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1732	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1733	$self->_create_random_map (	1772	$self->_create_random_map (
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1858		1897
1859	# the temporary/swap location	1898	# the temporary/swap location
1860	sub save_path {	1899	sub save_path {
1861	my ($self) = @_;	1900	my ($self) = @_;
1862		1901
1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1864	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1865	}	1904	}
1866		1905
1867	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1868	sub uniq_path {	1907	sub uniq_path {
1869	my ($self) = @_;	1908	my ($self) = @_;
1870		1909
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1873	}
1874
1875	# and all this just because we cannot iterate over
1876	# all maps in C++...
1877	sub change_all_map_light {
1878	my ($change) = @_;
1879
1880	$_->change_map_light ($change)
1881	for grep $_->outdoor, values %cf::MAP;
1882	}	1912	}
1883		1913
1884	sub decay_objects {	1914	sub decay_objects {
1885	my ($self) = @_;	1915	my ($self) = @_;
1886		1916
…		…
1970	sub find {	2000	sub find {
1971	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1972		2002
1973	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1974		2004
1975	cf::lock_wait "map_data:$path";#d#remove	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1977		2007
1978	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1979	my $guard1 = cf::lock_acquire "map_find:$path";
1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1981
1982	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1983	or return;	2010	or return;
1984		2011
1985	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1986		2013
…		…
1988	or return;	2015	or return;
1989		2016
1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1991	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1992	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
1993	undef $guard1;	2021	undef $guard1;
1994	undef $guard2;
1995	$map->reset;	2022	$map->reset;
1996	return find $path;	2023	return find $path;
1997	}	2024	}
1998		2025
1999	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
2000	}	2027	}
2001	}	2028	}
2002		2029
2003	sub pre_load { }	2030	sub pre_load { }
2004	sub post_load { }	2031	#sub post_load { } # XS
2005		2032
2006	sub load {	2033	sub load {
2007	my ($self) = @_;	2034	my ($self) = @_;
2008		2035
2009	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2053	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2054	$f->skip_block;
2028	$self->_load_objects ($f)	2055	$self->_load_objects ($f)
2029	or return;	2056	or return;
2030		2057
2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
2032	if delete $self->{load_original};	2059	if delete $self->{load_original};
2033		2060
2034	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2062	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2063	unless (aio_stat $uniq) {
…		…
2054	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2082	$self->decay_objects;
2056	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
2057	$self->update_buttons;	2084	$self->update_buttons;
2058	cf::cede_to_tick;	2085	cf::cede_to_tick;
2059	$self->set_darkness_map;
2060	cf::cede_to_tick;
2061	$self->activate;	2086	$self->activate;
2062	}	2087	}
2063		2088
2064	$self->{last_save} = $cf::RUNTIME;	2089	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2090	$self->last_access ($cf::RUNTIME);
2066		2091
2067	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
2068	}	2093	}
2069		2094
2070	$self->post_load;	2095	$self->post_load;
2071	}	2096	}
2072		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
2073	sub customise_for {	2101	sub customise_for {
2074	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
2075		2103
2076	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
2077	if $self->per_player;	2105	if $self->per_player;
…		…
2130	my ($path, $origin, $load) = @_;	2158	my ($path, $origin, $load) = @_;
2131		2159
2132	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
2133		2161
2134	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2136	}	2164	}
2137		2165
2138	$MAP_PREFETCH{$path} |= $load;	2166	$MAP_PREFETCH{$path} |= $load;
2139		2167
2140	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
…		…
2177	cf::async {	2205	cf::async {
2178	$Coro::current->{desc} = "map player save";	2206	$Coro::current->{desc} = "map player save";
2179	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
2180	};	2208	};
2181		2209
		2210	cf::get_slot 0.02;
		2211
2182	if ($uniq) {	2212	if ($uniq) {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2185	} else {	2215	} else {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2216	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2194	$self->save;	2224	$self->save;
2195		2225
2196	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2197		2227
2198	return if $self->players;	2228	return if $self->players;
2199	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
2200	return if $self->{deny_save};	2230	return if $self->{deny_save};
2201		2231
2202	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->in_memory (cf::MAP_SWAPPED);
2203		2233
2204	$self->deactivate;	2234	$self->deactivate;
…		…
2229		2259
2230	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
2231		2261
2232	return if $self->players;	2262	return if $self->players;
2233		2263
2234	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
2235		2265
2236	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
2237		2267
2238	# need to save uniques path	2268	# need to save uniques path
2239	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
2322		2352
2323	sub unique_maps() {	2353	sub unique_maps() {
2324	[	2354	[
2325	map {	2355	map {
2326	utf8::decode $_;	2356	utf8::decode $_;
2327	/\.map$/	2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
2328	? normalise $_	2360	: normalise $_
2329	: ()
2330	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
2331	]	2362	]
2332	}	2363	}
2333		2364
2334	package cf;	2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
2335		2396
2336	=back	2397	=back
2337		2398
2338	=head3 cf::object	2399	=head3 cf::object
2339		2400
…		…
2343		2404
2344	=over 4	2405	=over 4
2345		2406
2346	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
2347		2408
2348	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
2349		2411
2350	=cut	2412	=cut
2351		2413
2352	sub inv_recursive_;	2414	sub inv_recursive_;
2353	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
2358	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
2359	}	2421	}
2360		2422
2361	=item $ref = $ob->ref	2423	=item $ref = $ob->ref
2362		2424
2363	creates and returns a persistent reference to an objetc that can be stored as a string.	2425	Creates and returns a persistent reference to an object that can be stored as a string.
2364		2426
2365	=item $ob = cf::object::deref ($refstring)	2427	=item $ob = cf::object::deref ($refstring)
2366		2428
2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2368	even if the object actually exists. May block.	2430	even if the object actually exists. May block.
…		…
2400	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
2401	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
2402		2464
2403	=cut	2465	=cut
2404		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
		2480
2405	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
2406	# with dialog boxes.	2482	# with dialog boxes.
2407	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
2408	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
2409	my ($self, $npc, $msg, $flags) = @_;	2485	my ($self, $npc, $msg, $flags) = @_;
…		…
2420	my $dialog = $pl->{npc_dialog};	2496	my $dialog = $pl->{npc_dialog};
2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422		2498
2423	} else {	2499	} else {
2424	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
2425	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2426	}	2502	}
2427	}	2503	}
2428	}	2504	}
2429		2505
2430	=item $object->send_msg ($channel, $msg, $color, [extra...])	2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2455		2531
2456	=item $player_object->enter_link	2532	=item $player_object->enter_link
2457		2533
2458	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
2459		2535
2460	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
2461	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
2462		2540
2463	Will never block.	2541	Will never block.
2464		2542
2465	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
2466		2544
…		…
2518	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2519	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2520		2598
2521	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2522	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2523	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2524		2602
2525	$map->load;	2603	$map->load;
2526	$map->load_neighbours;	2604	$map->load_neighbours;
2527		2605
2528	return unless $self->contr->active;	2606	return unless $self->contr->active;
2529	$self->activate_recursive;
2530		2607
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
2533	}	2613	}
2534		2614
2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2536		2616
2537	Moves the player to the given map-path and coordinates by first freezing	2617	Moves the player to the given map-path and coordinates by first freezing
2538	her, loading and preparing them map, calling the provided $check callback	2618	her, loading and preparing them map, calling the provided $check callback
2539	that has to return the map if sucecssful, and then unfreezes the player on	2619	that has to return the map if sucecssful, and then unfreezes the player on
2540	the new (success) or old (failed) map position. In either case, $done will	2620	the new (success) or old (failed) map position. In either case, $done will
2541	be called at the end of this process.	2621	be called at the end of this process.
		2622
		2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
2542		2625
2543	=cut	2626	=cut
2544		2627
2545	our $GOTOGEN;	2628	our $GOTOGEN;
2546		2629
…		…
2625	}	2708	}
2626		2709
2627	sub prepare_random_map {	2710	sub prepare_random_map {
2628	my ($exit) = @_;	2711	my ($exit) = @_;
2629		2712
2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
2631
2632	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
2633	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
2634	# that depends on the exit object	2715	# that depends on the exit object
2635		2716
2636	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
2638	if ($exit->map) {	2719	if ($exit->map) {
2639	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
2640	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
2641	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
2642	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
2643	}	2726	}
2644		2727
2645	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
2646		2729
2647	my $data = cf::encode_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2648	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
2649	my $meta = "$RANDOMDIR/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
2650		2733
2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2652	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
2653	undef $fh;	2736	undef $fh;
2654	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
2655		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
2656	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2657	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2658	}	2745	}
2659	}	2746	}
2660		2747
2661	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2662	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2663		2750
2664	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2665		2752
2666	if ($exit->slaying eq "/!") {
2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
2668	# the problem is that $exit might not survive long enough
2669	# so it needs to be done right now, right here
2670	cf::sync_job { prepare_random_map $exit };
2671	}
2672
2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2674	my $hp = $exit->stats->hp;
2675	my $sp = $exit->stats->sp;
2676
2677	$self->enter_link;	2753	$self->enter_link;
2678		2754
2679	# if exit is damned, update players death & WoR home-position
2680	$self->contr->savebed ($slaying, $hp, $sp)
2681	if $exit->flag (FLAG_DAMNED);
2682
2683	(async {	2755	(async {
2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2756	$Coro::current->{desc} = "enter_exit";
2685		2757
2686	$self->deactivate_recursive; # just to be sure
2687	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
2688	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2689		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
2690	1;	2779	1
2691	}) {	2780	}) {
2692	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2693	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
2694	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2695	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2696		2785
2697	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2714	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
2715	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
2716		2805
2717	utf8::encode $text;	2806	utf8::encode $text;
2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2808	}
		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
2719	}	2833	}
2720		2834
2721	=item $client->send_msg ($channel, $msg, $color, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2722		2836
2723	Send a drawinfo or msg packet to the client, formatting the msg for the	2837	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2727		2841
2728	=cut	2842	=cut
2729		2843
2730	# non-persistent channels (usually the info channel)	2844	# non-persistent channels (usually the info channel)
2731	our %CHANNEL = (	2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
2732	"c/identify" => {	2852	"c/identify" => {
2733	id => "infobox",	2853	id => "infobox",
2734	title => "Identify",	2854	title => "Identify",
2735	reply => undef,	2855	reply => undef,
2736	tooltip => "Items recently identified",	2856	tooltip => "Items recently identified",
…		…
2738	"c/examine" => {	2858	"c/examine" => {
2739	id => "infobox",	2859	id => "infobox",
2740	title => "Examine",	2860	title => "Examine",
2741	reply => undef,	2861	reply => undef,
2742	tooltip => "Signs and other items you examined",	2862	tooltip => "Signs and other items you examined",
		2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
2743	},	2869	},
2744	"c/book" => {	2870	"c/book" => {
2745	id => "infobox",	2871	id => "infobox",
2746	title => "Book",	2872	title => "Book",
2747	reply => undef,	2873	reply => undef,
…		…
2763	id => "infobox",	2889	id => "infobox",
2764	title => "Body Parts",	2890	title => "Body Parts",
2765	reply => undef,	2891	reply => undef,
2766	tooltip => "Shows which body parts you posess and are available",	2892	tooltip => "Shows which body parts you posess and are available",
2767	},	2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
2768	"c/uptime" => {	2930	"c/uptime" => {
2769	id => "infobox",	2931	id => "infobox",
2770	title => "Uptime",	2932	title => "Uptime",
2771	reply => undef,	2933	reply => undef,
2772	tooltip => "How long the server has been running since last restart",	2934	tooltip => "How long the server has been running since last restart",
…		…
2775	id => "infobox",	2937	id => "infobox",
2776	title => "Map Info",	2938	title => "Map Info",
2777	reply => undef,	2939	reply => undef,
2778	tooltip => "Information related to the maps",	2940	tooltip => "Information related to the maps",
2779	},	2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
2780	);	2956	);
2781		2957
2782	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2783	my ($self, $channel, $msg, $color, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2784		2960
2785	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
2786		2963
2787	$color &= cf::NDI_CLIENT_MASK; # just in case...	2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
2788		2965
2789	# check predefined channels, for the benefit of C	2966	# check predefined channels, for the benefit of C
2790	if ($CHANNEL{$channel}) {	2967	if ($CHANNEL{$channel}) {
2791	$channel = $CHANNEL{$channel};	2968	$channel = $CHANNEL{$channel};
2792		2969
2793	$self->ext_msg (channel_info => $channel)	2970	$self->ext_msg (channel_info => $channel);
2794	if $self->can_msg;
2795
2796	$channel = $channel->{id};	2971	$channel = $channel->{id};
2797		2972
2798	} elsif (ref $channel) {	2973	} elsif (ref $channel) {
2799	# send meta info to client, if not yet sent	2974	# send meta info to client, if not yet sent
2800	unless (exists $self->{channel}{$channel->{id}}) {	2975	unless (exists $self->{channel}{$channel->{id}}) {
2801	$self->{channel}{$channel->{id}} = $channel;	2976	$self->{channel}{$channel->{id}} = $channel;
2802	$self->ext_msg (channel_info => $channel)	2977	$self->ext_msg (channel_info => $channel);
2803	if $self->can_msg;
2804	}	2978	}
2805		2979
2806	$channel = $channel->{id};	2980	$channel = $channel->{id};
2807	}	2981	}
2808		2982
2809	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2810		2984
2811	if ($self->can_msg) {
2812	# default colour, mask it out	2985	# default colour, mask it out
2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814	if $color & cf::NDI_DEF;	2987	if $color & cf::NDI_DEF;
2815		2988
2816	$self->send_packet ("msg " . $self->{json_coder}->encode (	2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2818	} else {	2992	);
2819	if ($color >= 0) {
2820	# replace some tags by gcfclient-compatible ones
2821	for ($msg) {
2822	1 while
2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2828	}
2829		2993
2830	$color &= cf::NDI_COLOR_MASK;	2994	$self->send_big_packet ($pkt);
2831
2832	utf8::encode $msg;
2833
2834	if (0 && $msg =~ /\[/) {
2835	# COMMAND/INFO
2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
2837	} else {
2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2839	$self->send_packet ("drawinfo $color $msg")
2840	}
2841	}
2842	}
2843	}	2995	}
2844		2996
2845	=item $client->ext_msg ($type, @msg)	2997	=item $client->ext_msg ($type, @msg)
2846		2998
2847	Sends an ext event to the client.	2999	Sends an ext event to the client.
…		…
2850		3002
2851	sub cf::client::ext_msg($$@) {	3003	sub cf::client::ext_msg($$@) {
2852	my ($self, $type, @msg) = @_;	3004	my ($self, $type, @msg) = @_;
2853		3005
2854	if ($self->extcmd == 2) {	3006	if ($self->extcmd == 2) {
2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2856	} elsif ($self->extcmd == 1) { # TODO: remove	3008	} elsif ($self->extcmd == 1) { # TODO: remove
2857	push @msg, msgtype => "event_$type";	3009	push @msg, msgtype => "event_$type";
2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2859	}	3011	}
2860	}	3012	}
2861		3013
2862	=item $client->ext_reply ($msgid, @msg)	3014	=item $client->ext_reply ($msgid, @msg)
2863		3015
…		…
2867		3019
2868	sub cf::client::ext_reply($$@) {	3020	sub cf::client::ext_reply($$@) {
2869	my ($self, $id, @msg) = @_;	3021	my ($self, $id, @msg) = @_;
2870		3022
2871	if ($self->extcmd == 2) {	3023	if ($self->extcmd == 2) {
2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2873	} elsif ($self->extcmd == 1) {	3025	} elsif ($self->extcmd == 1) {
2874	#TODO: version 1, remove	3026	#TODO: version 1, remove
2875	unshift @msg, msgtype => "reply", msgid => $id;	3027	unshift @msg, msgtype => "reply", msgid => $id;
2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2877	}	3029	}
2878	}	3030	}
2879		3031
2880	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2881		3033
…		…
3008	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
3009		3161
3010	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
3011		3163
3012	$safe->permit_only (Opcode::opset qw(	3164	$safe->permit_only (Opcode::opset qw(
3013	:base_core :base_mem :base_orig :base_math	3165	:base_core :base_mem :base_orig :base_math :base_loop
3014	grepstart grepwhile mapstart mapwhile	3166	grepstart grepwhile mapstart mapwhile
3015	sort time	3167	sort time
3016	));	3168	));
3017		3169
3018	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
…		…
3021		3173
3022	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
3023		3175
3024	cf::object	3176	cf::object
3025	contr pay_amount pay_player map x y force_find force_add destroy	3177	contr pay_amount pay_player map x y force_find force_add destroy
3026	insert remove name archname title slaying race decrease_ob_nr	3178	insert remove name archname title slaying race decrease split
		3179	value
3027		3180
3028	cf::object::player	3181	cf::object::player
3029	player	3182	player
3030		3183
3031	cf::player	3184	cf::player
…		…
3036		3189
3037	=cut	3190	=cut
3038		3191
3039	for (	3192	for (
3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3041	insert remove inv name archname title slaying race	3194	insert remove inv nrof name archname title slaying race
3042	decrease_ob_nr destroy)],	3195	decrease split destroy change_exp value msg lore send_msg)],
3043	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
3044	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
3045	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
3046	) {	3199	) {
3047	no strict 'refs';	3200	no strict 'refs';
3048	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
3049	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3067		3220
3068	my $qcode = $code;	3221	my $qcode = $code;
3069	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3070	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
3071		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
3072	local $_;	3228	local $_;
3073	local @safe::cf::_safe_eval_args = values %vars;
3074		3229
3075	my $eval =	3230	my $eval =
3076	"do {\n"	3231	"do {\n"
3077	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3078	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
3079	. $code	3234	. $code
3080	. "\n}"	3235	. "\n}"
3081	;	3236	;
3082		3237
		3238	if ($CFG{safe_eval}) {
3083	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
3084	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3085	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
3086		3247
3087	if ($@) {	3248	if ($@) {
3088	warn "$@";	3249	warn "$@";
3089	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
3090	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3109	=cut	3270	=cut
3110		3271
3111	sub register_script_function {	3272	sub register_script_function {
3112	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
3113		3274
3114	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
3115	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
3116	}	3277	}
3117		3278
3118	=back	3279	=back
3119		3280
3120	=cut	3281	=cut
…		…
3141		3302
3142	$facedata->{version} == 2	3303	$facedata->{version} == 2
3143	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
3144		3305
3145	# patch in the exptable	3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3146	$facedata->{resource}{"res/exp_table"} = {	3308	$facedata->{resource}{"res/exp_table"} = {
3147	type => FT_RSRC,	3309	type => FT_RSRC,
3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
3149	};	3312	};
3150	cf::cede_to_tick;	3313	cf::cede_to_tick;
3151		3314
3152	{	3315	{
3153	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
…		…
3155	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3157		3320
3158	cf::face::set_visibility $idx, $info->{visibility};	3321	cf::face::set_visibility $idx, $info->{visibility};
3159	cf::face::set_magicmap $idx, $info->{magicmap};	3322	cf::face::set_magicmap $idx, $info->{magicmap};
3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3162		3325
3163	cf::cede_to_tick;	3326	cf::cede_to_tick;
3164	}	3327	}
3165		3328
3166	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
…		…
3190		3353
3191	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
3192	}	3355	}
3193		3356
3194	{	3357	{
3195	# TODO: for gcfclient pleasure, we should give resources
3196	# that gcfclient doesn't grok a >10000 face index.
3197	my $res = $facedata->{resource};	3358	my $res = $facedata->{resource};
3198		3359
3199	while (my ($name, $info) = each %$res) {	3360	while (my ($name, $info) = each %$res) {
3200	if (defined $info->{type}) {	3361	if (defined $info->{type}) {
3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3202	my $data;
3203		3363
3204	if ($info->{type} & 1) {	3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3205	# prepend meta info
3206
3207	my $meta = $enc->encode ({
3208	name => $name,
3209	%{ $info->{meta} || {} },
3210	});
3211
3212	$data = pack "(w/a*)*", $meta, $info->{data};
3213	} else {
3214	$data = $info->{data};
3215	}
3216
3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3218	cf::face::set_type $idx, $info->{type};	3365	cf::face::set_type $idx, $info->{type};
3219	} else {	3366	} else {
3220	$RESOURCE{$name} = $info;	3367	$RESOURCE{$name} = $info;
3221	}	3368	}
3222		3369
…		…
3255	while (my ($k, $v) = each %$want) {	3402	while (my ($k, $v) = each %$want) {
3256	$ns->fx_want ($k, $v);	3403	$ns->fx_want ($k, $v);
3257	}	3404	}
3258	};	3405	};
3259		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
		3416
3260	sub reload_regions {	3417	sub reload_regions {
3261	# HACK to clear player env face cache, we need some signal framework	3418	# HACK to clear player env face cache, we need some signal framework
3262	# for this (global event?)	3419	# for this (global event?)
3263	%ext::player_env::MUSIC_FACE_CACHE = ();	3420	%ext::player_env::MUSIC_FACE_CACHE = ();
3264		3421
…		…
3277	}	3434	}
3278		3435
3279	sub reload_archetypes {	3436	sub reload_archetypes {
3280	load_resource_file "$DATADIR/archetypes"	3437	load_resource_file "$DATADIR/archetypes"
3281	or die "unable to load archetypes\n";	3438	or die "unable to load archetypes\n";
3282	#d# NEED to laod twice to resolve forward references
3283	# this really needs to be done in an extra post-pass
3284	# (which needs to be synchronous, so solve it differently)
3285	load_resource_file "$DATADIR/archetypes"
3286	or die "unable to load archetypes\n";
3287	}	3439	}
3288		3440
3289	sub reload_treasures {	3441	sub reload_treasures {
3290	load_resource_file "$DATADIR/treasures"	3442	load_resource_file "$DATADIR/treasures"
3291	or die "unable to load treasurelists\n";	3443	or die "unable to load treasurelists\n";
3292	}	3444	}
3293		3445
3294	sub reload_resources {	3446	sub reload_resources {
3295	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
3296		3448
		3449	reload_facedata;
		3450	reload_archetypes;
3297	reload_regions;	3451	reload_regions;
3298	reload_facedata;
3299	#reload_archetypes;#d#
3300	reload_archetypes;
3301	reload_treasures;	3452	reload_treasures;
3302		3453
3303	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
3304	}	3455	}
3305		3456
3306	sub init {
3307	reload_resources;
3308	}
3309
3310	sub reload_config {	3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
3311	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
3312	or return;	3461	or return;
3313		3462
3314	local $/;	3463	local $/;
3315	*CFG = YAML::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
3316		3465
3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3318		3467
3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3324	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3325	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
3326	};	3475	};
3327	warn $@ if $@;	3476	warn $@ if $@;
3328	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
3329	}	3508	}
3330		3509
3331	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
3332	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
3333	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3335	(async {	3528	(async {
3336	$Coro::current->{desc} = "IDLE BUG HANDLER";	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
3337	EV::loop EV::LOOP_ONESHOT;	3530	EV::loop EV::LOOP_ONESHOT;
3338	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
3339	};	3532	};
3340		3533
		3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
3341	reload_config;	3541	reload_config;
3342	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
3343	load_extensions;	3553	load_extensions;
3344		3554
3345	$TICK_WATCHER->start;	3555	utime time, time, $RUNTIMEFILE;
3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3556
3347	EV::loop;	3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
3348	}	3565	}
3349		3566
3350	#############################################################################	3567	#############################################################################
3351	# initialisation and cleanup	3568	# initialisation and cleanup
3352		3569
…		…
3358	cf::cleanup "SIG$signal";	3575	cf::cleanup "SIG$signal";
3359	};	3576	};
3360	}	3577	}
3361	}	3578	}
3362		3579
3363	sub write_runtime {	3580	sub write_runtime_sync {
3364	my $runtime = "$LOCALDIR/runtime";	3581	my $t0 = EV::time;
3365		3582
3366	# first touch the runtime file to show we are still running:	3583	# first touch the runtime file to show we are still running:
3367	# the fsync below can take a very very long time.	3584	# the fsync below can take a very very long time.
3368		3585
3369	IO::AIO::aio_utime $runtime, undef, undef;	3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3370		3587
3371	my $guard = cf::lock_acquire "write_runtime";	3588	my $guard = cf::lock_acquire "write_runtime";
3372		3589
3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3374	or return;	3591	or return;
3375		3592
3376	my $value = $cf::RUNTIME + 90 + 10;	3593	my $value = $cf::RUNTIME + 90 + 10;
3377	# 10 is the runtime save interval, for a monotonic clock	3594	# 10 is the runtime save interval, for a monotonic clock
3378	# 60 allows for the watchdog to kill the server.	3595	# 60 allows for the watchdog to kill the server.
…		…
3388	aio_utime $fh, undef, undef;	3605	aio_utime $fh, undef, undef;
3389		3606
3390	close $fh	3607	close $fh
3391	or return;	3608	or return;
3392		3609
3393	aio_rename "$runtime~", $runtime	3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3394	and return;	3611	and return;
3395		3612
3396	warn "runtime file written.\n";	3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3397		3614
3398	1	3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
3399	}	3666	}
3400		3667
3401	sub emergency_save() {	3668	sub emergency_save() {
3402	my $freeze_guard = cf::freeze_mainloop;	3669	my $freeze_guard = cf::freeze_mainloop;
3403		3670
3404	warn "enter emergency perl save\n";	3671	warn "emergency_perl_save: enter\n";
3405		3672
3406	cf::sync_job {	3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
3407	# use a peculiar iteration method to avoid tripping on perl	3679	# use a peculiar iteration method to avoid tripping on perl
3408	# refcount bugs in for. also avoids problems with players	3680	# refcount bugs in for. also avoids problems with players
3409	# and maps saved/destroyed asynchronously.	3681	# and maps saved/destroyed asynchronously.
3410	warn "begin emergency player save\n";	3682	warn "emergency_perl_save: begin player save\n";
3411	for my $login (keys %cf::PLAYER) {	3683	for my $login (keys %cf::PLAYER) {
3412	my $pl = $cf::PLAYER{$login} or next;	3684	my $pl = $cf::PLAYER{$login} or next;
3413	$pl->valid or next;	3685	$pl->valid or next;
3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3415	$pl->save;	3687	$pl->save;
3416	}	3688	}
3417	warn "end emergency player save\n";	3689	warn "emergency_perl_save: end player save\n";
3418		3690
3419	warn "begin emergency map save\n";	3691	warn "emergency_perl_save: begin map save\n";
3420	for my $path (keys %cf::MAP) {	3692	for my $path (keys %cf::MAP) {
3421	my $map = $cf::MAP{$path} or next;	3693	my $map = $cf::MAP{$path} or next;
3422	$map->valid or next;	3694	$map->valid or next;
3423	$map->save;	3695	$map->save;
3424	}	3696	}
3425	warn "end emergency map save\n";	3697	warn "emergency_perl_save: end map save\n";
3426		3698
3427	warn "begin emergency database checkpoint\n";	3699	warn "emergency_perl_save: begin database checkpoint\n";
3428	BDB::db_env_txn_checkpoint $DB_ENV;	3700	BDB::db_env_txn_checkpoint $DB_ENV;
3429	warn "end emergency database checkpoint\n";	3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
3430	};	3706	};
3431		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
3432	warn "leave emergency perl save\n";	3713	warn "emergency_perl_save: leave\n";
3433	}	3714	}
3434		3715
3435	sub post_cleanup {	3716	sub post_cleanup {
3436	my ($make_core) = @_;	3717	my ($make_core) = @_;
3437		3718
3438	warn Carp::longmess "post_cleanup backtrace"	3719	warn Carp::longmess "post_cleanup backtrace"
3439	if $make_core;	3720	if $make_core;
		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
3440	}	3750	}
3441		3751
3442	sub do_reload_perl() {	3752	sub do_reload_perl() {
3443	# can/must only be called in main	3753	# can/must only be called in main
3444	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
3445	warn "can only reload from main coroutine";	3755	warn "can only reload from main coroutine";
3446	return;	3756	return;
3447	}	3757	}
3448		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
3449	warn "reloading...";	3764	warn "reloading...";
3450		3765
3451	warn "entering sync_job";	3766	warn "entering sync_job";
3452		3767
3453	cf::sync_job {	3768	cf::sync_job {
3454	cf::write_runtime; # external watchdog should not bark	3769	cf::write_runtime_sync; # external watchdog should not bark
3455	cf::emergency_save;	3770	cf::emergency_save;
3456	cf::write_runtime; # external watchdog should not bark	3771	cf::write_runtime_sync; # external watchdog should not bark
3457		3772
3458	warn "syncing database to disk";	3773	warn "syncing database to disk";
3459	BDB::db_env_txn_checkpoint $DB_ENV;	3774	BDB::db_env_txn_checkpoint $DB_ENV;
3460		3775
3461	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
3462		3777
3463	warn "flushing outstanding aio requests";	3778	warn "flushing outstanding aio requests";
3464	for (;;) {
3465	BDB::flush;
3466	IO::AIO::flush;
3467	Coro::cede_notself;
3468	last unless IO::AIO::nreqs || BDB::nreqs;	3779	while (IO::AIO::nreqs || BDB::nreqs) {
3469	warn "iterate...";	3780	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3470	}
3471
3472	++$RELOAD;
3473
3474	warn "cancelling all extension coros";
3475	$_->cancel for values %EXT_CORO;
3476	%EXT_CORO = ();
3477
3478	warn "removing commands";
3479	%COMMAND = ();
3480
3481	warn "removing ext/exti commands";
3482	%EXTCMD = ();
3483	%EXTICMD = ();
3484
3485	warn "unloading/nuking all extensions";
3486	for my $pkg (@EXTS) {
3487	warn "... unloading $pkg";
3488
3489	if (my $cb = $pkg->can ("unload")) {
3490	eval {
3491	$cb->($pkg);
3492	1
3493	} or warn "$pkg unloaded, but with errors: $@";
3494	}	3781	}
3495		3782
3496	warn "... nuking $pkg";	3783	warn "cancelling all extension coros";
3497	Symbol::delete_package $pkg;	3784	$_->cancel for values %EXT_CORO;
3498	}	3785	%EXT_CORO = ();
3499		3786
3500	warn "unloading all perl modules loaded from $LIBDIR";	3787	warn "removing commands";
3501	while (my ($k, $v) = each %INC) {	3788	%COMMAND = ();
3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3503		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
3504	warn "... unloading $k";	3796	warn "... unloading $pkg";
3505	delete $INC{$k};
3506		3797
3507	$k =~ s/\.pm$//;
3508	$k =~ s/\//::/g;
3509
3510	if (my $cb = $k->can ("unload_module")) {	3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
3511	$cb->();	3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
3512	}	3807	}
3513		3808
3514	Symbol::delete_package $k;	3809	warn "unloading all perl modules loaded from $LIBDIR";
		3810	while (my ($k, $v) = each %INC) {
		3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
3515	}	3824	}
3516		3825
3517	warn "getting rid of safe::, as good as possible";	3826	warn "getting rid of safe::, as good as possible";
3518	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3520		3829
3521	warn "unloading cf.pm \"a bit\"";	3830	warn "unloading cf.pm \"a bit\"";
3522	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
3523	delete $INC{"cf/pod.pm"};	3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3524		3833
3525	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
3526	# and global variables created in xs	3835	# and global variables created in xs
3527	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
3528		3837
3529	warn "unload completed, starting to reload now";	3838	warn "unload completed, starting to reload now";
3530		3839
3531	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
3532	require cf;	3841	require cf;
3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
3534		3843
3535	warn "loading config and database again";	3844	warn "loading config and database again";
3536	cf::reload_config;	3845	cf::reload_config;
3537		3846
3538	warn "loading extensions";	3847	warn "loading extensions";
3539	cf::load_extensions;	3848	cf::load_extensions;
3540		3849
		3850	if ($REATTACH_ON_RELOAD) {
3541	warn "reattaching attachments to objects/players";	3851	warn "reattaching attachments to objects/players";
3542	_global_reattach; # objects, sockets	3852	_global_reattach; # objects, sockets
3543	warn "reattaching attachments to maps";	3853	warn "reattaching attachments to maps";
3544	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
3545	warn "reattaching attachments to players";	3855	warn "reattaching attachments to players";
3546	reattach $_ for values %PLAYER;	3856	reattach $_ for values %PLAYER;
		3857	}
3547		3858
		3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
		3861
3548	warn "leaving sync_job";	3862	warn "leaving sync_job";
3549		3863
3550	1	3864	1
3551	} or do {	3865	} or do {
3552	warn $@;	3866	warn $@;
3553	warn "error while reloading, exiting.";	3867	cf::cleanup "error while reloading, exiting.";
3554	exit 1;
3555	};	3868	};
3556		3869
3557	warn "reloaded";	3870	warn "reloaded";
		3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
3558	};	3876	};
3559		3877
3560	our $RELOAD_WATCHER; # used only during reload	3878	our $RELOAD_WATCHER; # used only during reload
3561		3879
3562	sub reload_perl() {	3880	sub reload_perl() {
3563	# doing reload synchronously and two reloads happen back-to-back,	3881	# doing reload synchronously and two reloads happen back-to-back,
3564	# coro crashes during coro_state_free->destroy here.	3882	# coro crashes during coro_state_free->destroy here.
3565		3883
		3884	$RELOAD_WATCHER ||= cf::async {
		3885	Coro::AIO::aio_wait cache_extensions;
		3886
3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3567	do_reload_perl;	3888	do_reload_perl;
3568	undef $RELOAD_WATCHER;	3889	undef $RELOAD_WATCHER;
		3890	};
3569	};	3891	};
3570	}	3892	}
3571		3893
3572	register_command "reload" => sub {	3894	register_command "reload" => sub {
3573	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
…		…
3587		3909
3588	our @WAIT_FOR_TICK;	3910	our @WAIT_FOR_TICK;
3589	our @WAIT_FOR_TICK_BEGIN;	3911	our @WAIT_FOR_TICK_BEGIN;
3590		3912
3591	sub wait_for_tick {	3913	sub wait_for_tick {
3592	return unless $TICK_WATCHER->is_active;
3593	return if $Coro::current == $Coro::main;	3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3594		3915
3595	my $signal = new Coro::Signal;	3916	my $signal = new Coro::Signal;
3596	push @WAIT_FOR_TICK, $signal;	3917	push @WAIT_FOR_TICK, $signal;
3597	$signal->wait;	3918	$signal->wait;
3598	}	3919	}
3599		3920
3600	sub wait_for_tick_begin {	3921	sub wait_for_tick_begin {
3601	return unless $TICK_WATCHER->is_active;
3602	return if $Coro::current == $Coro::main;	3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3603		3923
3604	my $signal = new Coro::Signal;	3924	my $signal = new Coro::Signal;
3605	push @WAIT_FOR_TICK_BEGIN, $signal;	3925	push @WAIT_FOR_TICK_BEGIN, $signal;
3606	$signal->wait;	3926	$signal->wait;
3607	}	3927	}
3608		3928
3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3929	sub tick {
3610	if ($Coro::current != $Coro::main) {	3930	if ($Coro::current != $Coro::main) {
3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3612	unless ++$bug_warning > 10;	3932	unless ++$bug_warning > 10;
3613	return;	3933	return;
3614	}	3934	}
3615		3935
3616	$NOW = $tick_start = EV::now;
3617
3618	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
3619		3937
3620	$RUNTIME += $TICK;	3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3621	$NEXT_TICK = $_[0]->at;
3622		3939
3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3625	Coro::async_pool {	3942	Coro::async_pool {
3626	$Coro::current->{desc} = "runtime saver";	3943	$Coro::current->{desc} = "runtime saver";
3627	write_runtime	3944	write_runtime_sync
3628	or warn "ERROR: unable to write runtime file: $!";	3945	or warn "ERROR: unable to write runtime file: $!";
3629	};	3946	};
3630	}	3947	}
3631		3948
3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3634	}	3951	}
3635	while (my $sig = shift @WAIT_FOR_TICK) {	3952	while (my $sig = shift @WAIT_FOR_TICK) {
3636	$sig->send;	3953	$sig->send;
3637	}	3954	}
3638		3955
3639	$LOAD = ($NOW - $tick_start) / $TICK;	3956	$LOAD = ($NOW - $TICK_START) / $TICK;
3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641		3958
3642	_post_tick;	3959	if (0) {
3643	};	3960	if ($NEXT_TICK) {
3644	$TICK_WATCHER->priority (EV::MAXPRI);	3961	my $jitter = $TICK_START - $NEXT_TICK;
		3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3963	warn "jitter $JITTER\n";#d#
		3964	}
		3965	}
		3966	}
3645		3967
3646	{	3968	{
3647	# configure BDB	3969	# configure BDB
3648		3970
3649	BDB::min_parallel 8;	3971	BDB::min_parallel 16;
3650	BDB::max_poll_reqs $TICK * 0.1;	3972	BDB::max_poll_reqs $TICK * 0.1;
3651	$Coro::BDB::WATCHER->priority (1);	3973	$AnyEvent::BDB::WATCHER->priority (1);
3652		3974
3653	unless ($DB_ENV) {	3975	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	3976	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		3982
3660	cf::sync_job {	3983	cf::sync_job {
3661	eval {	3984	eval {
…		…
3687	{	4010	{
3688	# configure IO::AIO	4011	# configure IO::AIO
3689		4012
3690	IO::AIO::min_parallel 8;	4013	IO::AIO::min_parallel 8;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4014	IO::AIO::max_poll_time $TICK * 0.1;
3692	$Coro::AIO::WATCHER->priority (1);	4015	undef $AnyEvent::AIO::WATCHER;
3693	}	4016	}
3694		4017
3695	my $_log_backtrace;	4018	my $_log_backtrace;
3696		4019
3697	sub _log_backtrace {	4020	sub _log_backtrace {
…		…
3700	$msg =~ s/\n//;	4023	$msg =~ s/\n//;
3701		4024
3702	# limit the # of concurrent backtraces	4025	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	4026	if ($_log_backtrace < 2) {
3704	++$_log_backtrace;	4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
3705	async {	4029	async {
3706	$Coro::current->{desc} = "abt $msg";	4030	$Coro::current->{desc} = "abt $msg";
3707		4031
3708	my @bt = fork_call {	4032	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	4033	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	4044	}
3721		4045
3722	@funcs	4046	@funcs
3723	};	4047	};
3724		4048
3725	LOG llevInfo, "[ABT] $msg\n";	4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	4051	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	4052	--$_log_backtrace;
3728	};	4053	};
3729	} else {	4054	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	4055	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	4056	LOG llevInfo, "[ABT] [suppressed]\n";
3732	}	4057	}
3733	}	4058	}
3734		4059
3735	# load additional modules	4060	# load additional modules
3736	use cf::pod;	4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
3737		4063
3738	END { cf::emergency_save }	4064	END { cf::emergency_save }
3739		4065
3740	1	4066	1
3741		4067

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