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Revision 1.441 by root, Sat Aug 30 05:19:03 2008 UTC vs.
Revision 1.515 by root, Thu Apr 15 04:56:47 2010 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use 5.10.0;
25	use utf8;	26	use utf8;
26	use strict "vars", "subs";	27	use strict qw(vars subs);
27		28
28	use Symbol;	29	use Symbol;
29	use List::Util;	30	use List::Util;
30	use Socket;	31	use Socket;
31	use EV;	32	use EV;
32	use Opcode;	33	use Opcode;
33	use Safe;	34	use Safe;
34	use Safe::Hole;	35	use Safe::Hole;
35	use Storable ();	36	use Storable ();
		37	use Carp ();
36		38
		39	use Guard ();
37	use Coro ();	40	use Coro ();
38	use Coro::State;	41	use Coro::State;
39	use Coro::Handle;	42	use Coro::Handle;
40	use Coro::EV;	43	use Coro::EV;
41	use Coro::AnyEvent;	44	use Coro::AnyEvent;
42	use Coro::Timer;	45	use Coro::Timer;
43	use Coro::Signal;	46	use Coro::Signal;
44	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	49	use Coro::AnyEvent;
46	use Coro::AIO;	50	use Coro::AIO;
47	use Coro::BDB 1.6;	51	use Coro::BDB 1.6;
48	use Coro::Storable;	52	use Coro::Storable;
49	use Coro::Util ();	53	use Coro::Util ();
50		54
51	use JSON::XS 2.01 ();	55	use JSON::XS 2.01 ();
52	use BDB ();	56	use BDB ();
53	use Data::Dumper;	57	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	58	use Fcntl;
56	use YAML ();	59	use YAML::XS ();
57	use IO::AIO ();	60	use IO::AIO ();
58	use Time::HiRes;	61	use Time::HiRes;
59	use Compress::LZF;	62	use Compress::LZF;
60	use Digest::MD5 ();	63	use Digest::MD5 ();
61		64
…		…
63		66
64	# configure various modules to our taste	67	# configure various modules to our taste
65	#	68	#
66	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		77
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		80
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
73		82
74	our %COMMAND = ();	83	our %COMMAND = ();
75	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
78	our %EXTCMD = ();	87	our %EXTCMD = ();
79	our %EXTICMD = ();	88	our %EXTICMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
82		91
83	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
85		96
86	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
87	our $DATADIR = datadir;	98	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
91	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
97	our %RESOURCE;	111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
98		115
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	118	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		120
104	our $BDB_DEADLOCK_WATCHER;	121	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	122	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	124	our $DB_ENV;
108		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
		127
109	our %CFG;	128	our %CFG;
110		129
111	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
112	our $RUNTIME;	131	our $RUNTIME;
113	our $NOW;	132	our $NOW;
…		…
122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	143	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
126		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
127	binmode STDOUT;	151	binmode STDOUT;
128	binmode STDERR;	152	binmode STDERR;
129		153
130	# read virtual server time, if available	154	# read virtual server time, if available
131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
135	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
136		162
137	mkdir $_	163	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		165
140	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
141		167
142	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
143		180
144	#############################################################################	181	#############################################################################
145		182
146	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
147		184
…		…
194	returns directly I<after> the tick processing (and consequently, can only wake one process	231	returns directly I<after> the tick processing (and consequently, can only wake one process
195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
196		233
197	=item @cf::INVOKE_RESULTS	234	=item @cf::INVOKE_RESULTS
198		235
199	This array contains the results of the last C<invoke ()> call. When	236	This array contains the results of the last C<invoke ()> call. When
200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201	that call.	238	that call.
202		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
203	=back	246	=back
204		247
205	=cut	248	=cut
206		249
207	BEGIN {	250	$Coro::State::WARNHOOK = sub {
208	*CORE::GLOBAL::warn = sub {
209	my $msg = join "", @_;	251	my $msg = join "", @_;
210		252
211	$msg .= "\n"	253	$msg .= "\n"
212	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
213		255
214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215		257
216	LOG llevError, $msg;	258	LOG llevError, $msg;
217	};	259	};
218	}
219		260
220	$Coro::State::DIEHOOK = sub {	261	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
222		265
223	if ($Coro::current == $Coro::main) {#d#	266	if ($Coro::current == $Coro::main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	268	return;#d#
226	}#d#	269	}#d#
227		270
228	# kill coroutine otherwise	271	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	272	Coro::terminate
231	};	273	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		274
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
252	)) {	292	)) {
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	294	}
255		295
256	$EV::DIED = sub {	296	$EV::DIED = sub {
257	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
258	};	298	};
259		299
260	#############################################################################	300	#############################################################################
261		301
262	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
…		…
299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300		340
301	sub encode_json($) { $json_coder->encode ($_[0]) }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	342	sub decode_json($) { $json_coder->decode ($_[0]) }
303		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
		357
304	=item cf::lock_wait $string	358	=item cf::lock_wait $string
305		359
306	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
307		361
308	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
309		363
310	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
312	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
313	returned.	367	returned.
314		368
315	Locks are *not* recursive, locking from the same coro twice results in a	369	Locks are *not* recursive, locking from the same coro twice results in a
316	deadlocked coro.	370	deadlocked coro.
…		…
322		376
323	Return true if the lock is currently active, i.e. somebody has locked it.	377	Return true if the lock is currently active, i.e. somebody has locked it.
324		378
325	=cut	379	=cut
326		380
327	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		382
330	sub lock_wait($) {	383	sub lock_wait($) {
331	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
332
333	if ($LOCKER{$key} == $Coro::current) {#d#
334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335	return;#d#
336	}#d#
337
338	# wait for lock, if any
339	while ($LOCK{$key}) {
340	push @{ $LOCK{$key} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	385	}
344		386
345	sub lock_acquire($) {	387	sub lock_acquire($) {
346	my ($key) = @_;	388	$LOCKS->guard ($_[0])
347
348	# wait, to be sure we are not locked
349	lock_wait $key;
350
351	$LOCK{$key} = [];
352	$LOCKER{$key} = $Coro::current;#d#
353
354	Coro::guard {
355	delete $LOCKER{$key};#d#
356	# wake up all waiters, to be on the safe side
357	$_->ready for @{ delete $LOCK{$key} };
358	}
359	}	389	}
360		390
361	sub lock_active($) {	391	sub lock_active($) {
362	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	393	}
366		394
367	sub freeze_mainloop {	395	sub freeze_mainloop {
368	tick_inhibit_inc;	396	tick_inhibit_inc;
369		397
370	Coro::guard \&tick_inhibit_dec;	398	&Guard::guard (\&tick_inhibit_dec);
371	}	399	}
372		400
373	=item cf::periodic $interval, $cb	401	=item cf::periodic $interval, $cb
374		402
375	Like EV::periodic, but randomly selects a starting point so that the actions	403	Like EV::periodic, but randomly selects a starting point so that the actions
376	get spread over timer.	404	get spread over time.
377		405
378	=cut	406	=cut
379		407
380	sub periodic($$) {	408	sub periodic($$) {
381	my ($interval, $cb) = @_;	409	my ($interval, $cb) = @_;
…		…
398		426
399	=cut	427	=cut
400		428
401	our @SLOT_QUEUE;	429	our @SLOT_QUEUE;
402	our $SLOT_QUEUE;	430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
403		432
404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405	$SLOT_QUEUE = Coro::async {	434	$SLOT_QUEUE = Coro::async {
406	$Coro::current->desc ("timeslot manager");	435	$Coro::current->desc ("timeslot manager");
407		436
408	my $signal = new Coro::Signal;	437	my $signal = new Coro::Signal;
		438	my $busy;
409		439
410	while () {	440	while () {
411	next_job:	441	next_job:
		442
412	my $avail = cf::till_tick;	443	my $avail = cf::till_tick;
413	if ($avail > 0.01) {	444
414	for (0 .. $#SLOT_QUEUE) {	445	for (0 .. $#SLOT_QUEUE) {
415	if ($SLOT_QUEUE[$_][0] < $avail) {	446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
416	my $job = splice @SLOT_QUEUE, $_, 1, ();	448	my $job = splice @SLOT_QUEUE, $_, 1, ();
417	$job->[2]->send;	449	$job->[2]->send;
418	Coro::cede;	450	Coro::cede;
419	goto next_job;	451	goto next_job;
420	}	452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
421	}	454	}
422	}	455	}
423		456
424	if (@SLOT_QUEUE) {	457	if (@SLOT_QUEUE) {
425	# we do not use wait_for_tick() as it returns immediately when tick is inactive	458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
426	push @cf::WAIT_FOR_TICK, $signal;	459	push @cf::WAIT_FOR_TICK, $signal;
427	$signal->wait;	460	$signal->wait;
428	} else {	461	} else {
		462	$busy = 0;
429	Coro::schedule;	463	Coro::schedule;
430	}	464	}
431	}	465	}
432	};	466	};
433		467
434	sub get_slot($;$$) {	468	sub get_slot($;$$) {
435	return if tick_inhibit || $Coro::current == $Coro::main;	469	return if tick_inhibit || $Coro::current == $Coro::main;
436		470
437	my ($time, $pri, $name) = @_;	471	my ($time, $pri, $name) = @_;
438		472
439	$time = $TICK * .6 if $time > $TICK * .6;	473	$time = clamp $time, 0.01, $TICK * .6;
		474
440	my $sig = new Coro::Signal;	475	my $sig = new Coro::Signal;
441		476
442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444	$SLOT_QUEUE->ready;	479	$SLOT_QUEUE->ready;
…		…
471		506
472	sub sync_job(&) {	507	sub sync_job(&) {
473	my ($job) = @_;	508	my ($job) = @_;
474		509
475	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
476	my $time = EV::time;	511	my $time = AE::time;
477		512
478	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
479	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
480		515
481	LOG llevError, Carp::longmess "sync job";#d#	516	LOG llevError, Carp::longmess "sync job";#d#
…		…
498	} else {	533	} else {
499	EV::loop EV::LOOP_ONESHOT;	534	EV::loop EV::LOOP_ONESHOT;
500	}	535	}
501	}	536	}
502		537
503	my $time = EV::time - $time;	538	my $time = AE::time - $time;
504		539
505	$TICK_START += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
506		541
507	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
508	} else {	543	} else {
…		…
552	reset_signals;	587	reset_signals;
553	&$cb	588	&$cb
554	}, @args;	589	}, @args;
555		590
556	wantarray ? @res : $res[-1]	591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
		595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
557	}	603	}
558		604
559	=item $coin = coin_from_name $name	605	=item $coin = coin_from_name $name
560		606
561	=cut	607	=cut
…		…
727		773
728	#############################################################################	774	#############################################################################
729		775
730	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
731		777
732	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
733	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
734	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
735		781
736	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
737	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
787	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
788		834
789	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
790	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
791		837
792	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
793	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
794		840
795	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
796		842
797	=over 4	843	=over 4
…		…
1147	$decname, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
1148		1194
1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1150	aio_chmod $fh, SAVE_MODE;	1196	aio_chmod $fh, SAVE_MODE;
1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1200	aio_fsync $fh;
		1201	}
1153	aio_close $fh;	1202	aio_close $fh;
1154		1203
1155	if (@$objs) {	1204	if (@$objs) {
1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1157	aio_chmod $fh, SAVE_MODE;	1206	aio_chmod $fh, SAVE_MODE;
1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
1160	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1211	aio_fsync $fh;
		1212	}
1161	aio_close $fh;	1213	aio_close $fh;
1162	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
1163	}	1215	}
1164	} else {	1216	} else {
1165	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
1166	}	1218	}
1167		1219
1168	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
1169	} else {	1224	} else {
1170	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
1171	}	1226	}
1172	} else {	1227	} else {
1173	aio_unlink $filename;	1228	aio_unlink $filename;
1174	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
1175	}	1230	}
…		…
1266	my ($name, $cb) = @_;	1321	my ($name, $cb) = @_;
1267		1322
1268	$EXTICMD{$name} = $cb;	1323	$EXTICMD{$name} = $cb;
1269	}	1324	}
1270		1325
		1326	use File::Glob ();
		1327
1271	cf::player->attach (	1328	cf::player->attach (
1272	on_command => sub {	1329	on_unknown_command => sub {
1273	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
1274		1331
1275	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
1276	or return;	1333	or return;
1277		1334
…		…
1307		1364
1308	cf::override;	1365	cf::override;
1309	},	1366	},
1310	);	1367	);
1311		1368
		1369	# "readahead" all extensions
		1370	sub cache_extensions {
		1371	my $grp = IO::AIO::aio_group;
		1372
		1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1374	for (grep /\.ext$/, @{$_[0]}) {
		1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1376	}
		1377	};
		1378
		1379	$grp
		1380	}
		1381
1312	sub load_extensions {	1382	sub load_extensions {
1313	cf::sync_job {	1383	cf::sync_job {
1314	my %todo;	1384	my %todo;
1315		1385
1316	for my $path (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
…		…
1343	. "\n};\n1";	1413	. "\n};\n1";
1344		1414
1345	$todo{$base} = \%ext;	1415	$todo{$base} = \%ext;
1346	}	1416	}
1347		1417
		1418	my $pass = 0;
1348	my %done;	1419	my %done;
1349	while (%todo) {	1420	while (%todo) {
1350	my $progress;	1421	my $progress;
1351		1422
		1423	++$pass;
		1424
		1425	ext:
1352	while (my ($k, $v) = each %todo) {	1426	while (my ($k, $v) = each %todo) {
1353	for (split /,\s*/, $v->{meta}{depends}) {	1427	for (split /,\s*/, $v->{meta}{depends}) {
1354	goto skip	1428	next ext
1355	unless exists $done{$_};	1429	unless exists $done{$_};
1356	}	1430	}
1357		1431
1358	warn "... loading '$k' into '$v->{pkg}'\n";	1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1359		1433
1360	unless (eval $v->{source}) {	1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
1361	my $msg = $@ ? "$v->{path}: $@\n"	1437	warn "$v->{path}: $@\n";
1362	: "$v->{base}: extension inactive.\n";
1363		1438
1364	if (exists $v->{meta}{mandatory}) {
1365	warn $msg;
1366	cf::cleanup "mandatory extension failed to load, exiting.";	1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1367	}	1440	if exists $v->{meta}{mandatory};
1368		1441	} else {
1369	warn $msg;	1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
1370	}	1448	}
1371
1372	$done{$k} = delete $todo{$k};
1373	push @EXTS, $v->{pkg};
1374	$progress = 1;
1375	}	1449	}
1376		1450
1377	skip:	1451	unless ($progress) {
1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1379	unless $progress;	1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
1380	}	1459	}
1381	};	1460	};
1382	}	1461	}
1383		1462
1384	#############################################################################	1463	#############################################################################
1385		1464
1386	=back	1465	=back
1387		1466
1388	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1389		1468
1390	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1391		1470
1392	=cut	1471	=cut
1393		1472
1394	package cf::player;	1473	package cf::player;
1395		1474
…		…
1438		1517
1439	sub exists($) {	1518	sub exists($) {
1440	my ($login) = @_;	1519	my ($login) = @_;
1441		1520
1442	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1443	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1444	}	1523	}
1445		1524
1446	sub find($) {	1525	sub find($) {
1447	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1448	my $login = $_[0];	1527	my $login = $_[0];
…		…
1468	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1469	}	1548	}
1470	}	1549	}
1471	}	1550	}
1472		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
		1564
1473	sub save($) {	1565	sub save($) {
1474	my ($pl) = @_;	1566	my ($pl) = @_;
1475		1567
1476	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
1477		1569
…		…
1482		1574
1483	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1484	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1485		1577
1486	cf::get_slot 0.01;	1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1487		1582
1488	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1489	cf::cede_to_tick;	1584	cf::cede_to_tick;
1490	}	1585	}
1491		1586
…		…
1523	my ($pl) = @_;	1618	my ($pl) = @_;
1524		1619
1525	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1526		1621
1527	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1528	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1529		1624
1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1531	$pl->deactivate;	1626	$pl->deactivate;
1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533	$pl->ob->check_score;	1628	$pl->ob->check_score;
…		…
1619	}	1714	}
1620		1715
1621	\@paths	1716	\@paths
1622	}	1717	}
1623		1718
1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625		1720
1626	Expand crossfire pod fragments into protocol xml.	1721	Expand deliantra pod fragments into protocol xml.
1627
1628	=cut
1629
1630	use re 'eval';
1631
1632	my $group;
1633	my $interior; $interior = qr{
1634	# match a pod interior sequence sans C<< >>
1635	(?:
1636	\ (.*?)\ (?{ $group = $^N })
1637	| < (??{$interior}) >
1638	)
1639	}x;
1640
1641	sub expand_cfpod {
1642	my ($self, $pod) = @_;
1643
1644	my $xml;
1645
1646	while () {
1647	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1648	$group = $1;
1649
1650	$group =~ s/&/&amp;/g;
1651	$group =~ s/</&lt;/g;
1652
1653	$xml .= $group;
1654	} elsif ($pod =~ m%\G
1655	([BCGHITU])
1656	<
1657	(?:
1658	([^<>]*) (?{ $group = $^N })
1659	| < $interior >
1660	)
1661	>
1662	%gcsx
1663	) {
1664	my ($code, $data) = ($1, $group);
1665
1666	if ($code eq "B") {
1667	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1668	} elsif ($code eq "I") {
1669	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1670	} elsif ($code eq "U") {
1671	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1672	} elsif ($code eq "C") {
1673	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1674	} elsif ($code eq "T") {
1675	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1676	} elsif ($code eq "G") {
1677	my ($male, $female) = split /\|/, $data;
1678	$data = $self->gender ? $female : $male;
1679	$xml .= expand_cfpod ($self, $data);
1680	} elsif ($code eq "H") {
1681	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1682	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1683	"")
1684	[$self->{hintmode}];
1685	} else {
1686	$xml .= "error processing '$code($data)' directive";
1687	}
1688	} else {
1689	if ($pod =~ /\G(.+)/) {
1690	warn "parse error while expanding $pod (at $1)";
1691	}
1692	last;
1693	}
1694	}
1695
1696	for ($xml) {
1697	# create single paragraphs (very hackish)
1698	s/(?<=\S)\n(?=\w)/ /g;
1699
1700	# compress some whitespace
1701	s/\s+\n/\n/g; # ws line-ends
1702	s/\n\n+/\n/g; # double lines
1703	s/^\n+//; # beginning lines
1704	s/\n+$//; # ending lines
1705	}
1706
1707	$xml
1708	}
1709
1710	no re 'eval';
1711
1712	sub hintmode {
1713	$_[0]{hintmode} = $_[1] if @_ > 1;
1714	$_[0]{hintmode}
1715	}
1716		1722
1717	=item $player->ext_reply ($msgid, @msg)	1723	=item $player->ext_reply ($msgid, @msg)
1718		1724
1719	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1720		1726
…		…
1793	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1794		1800
1795	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1796	$self->_create_random_map (	1802	$self->_create_random_map (
1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1799	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1800	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1801	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1802	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1803	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1933		1939
1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1935	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1936	}	1942	}
1937		1943
1938	# and all this just because we cannot iterate over
1939	# all maps in C++...
1940	sub change_all_map_light {
1941	my ($change) = @_;
1942
1943	$_->change_map_light ($change)
1944	for grep $_->outdoor, values %cf::MAP;
1945	}
1946
1947	sub decay_objects {	1944	sub decay_objects {
1948	my ($self) = @_;	1945	my ($self) = @_;
1949		1946
1950	return if $self->{deny_reset};	1947	return if $self->{deny_reset};
1951		1948
…		…
2033	sub find {	2030	sub find {
2034	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
2035		2032
2036	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
2037		2034
2038	cf::lock_wait "map_data:$path";#d#remove	2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2039	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
2040		2037
2041	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
2042	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2043	my $guard2 = cf::lock_acquire "map_find:$path";
2044
2045	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
2046	or return;	2040	or return;
2047		2041
2048	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
2049		2043
…		…
2061		2055
2062	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
2063	}	2057	}
2064	}	2058	}
2065		2059
2066	sub pre_load { }	2060	sub pre_load { }
2067	sub post_load { }	2061	#sub post_load { } # XS
2068		2062
2069	sub load {	2063	sub load {
2070	my ($self) = @_;	2064	my ($self) = @_;
2071		2065
2072	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2117	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
2118	$self->decay_objects;	2112	$self->decay_objects;
2119	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
2120	$self->update_buttons;	2114	$self->update_buttons;
2121	cf::cede_to_tick;	2115	cf::cede_to_tick;
2122	$self->set_darkness_map;
2123	cf::cede_to_tick;
2124	$self->activate;	2116	$self->activate;
2125	}	2117	}
2126		2118
2127	$self->{last_save} = $cf::RUNTIME;	2119	$self->{last_save} = $cf::RUNTIME;
2128	$self->last_access ($cf::RUNTIME);	2120	$self->last_access ($cf::RUNTIME);
…		…
2131	}	2123	}
2132		2124
2133	$self->post_load;	2125	$self->post_load;
2134	}	2126	}
2135		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
2136	sub customise_for {	2131	sub customise_for {
2137	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
2138		2133
2139	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
2140	if $self->per_player;	2135	if $self->per_player;
…		…
2294		2289
2295	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
2296		2291
2297	return if $self->players;	2292	return if $self->players;
2298		2293
2299	warn "resetting map ", $self->path;	2294	warn "resetting map ", $self->path, "\n";
2300		2295
2301	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
2302		2297
2303	# need to save uniques path	2298	# need to save uniques path
2304	unless ($self->{deny_save}) {	2299	unless ($self->{deny_save}) {
…		…
2395	: normalise $_	2390	: normalise $_
2396	} @{ aio_readdir $UNIQUEDIR or [] }	2391	} @{ aio_readdir $UNIQUEDIR or [] }
2397	]	2392	]
2398	}	2393	}
2399		2394
		2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
		2422	}
		2423
		2424	\@maps
		2425	}
		2426
2400	=back	2427	=back
2401		2428
2402	=head3 cf::object	2429	=head3 cf::object
2403		2430
2404	=cut	2431	=cut
…		…
2469		2496
2470	our $SAY_CHANNEL = {	2497	our $SAY_CHANNEL = {
2471	id => "say",	2498	id => "say",
2472	title => "Map",	2499	title => "Map",
2473	reply => "say ",	2500	reply => "say ",
2474	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2475	};	2502	};
2476		2503
2477	our $CHAT_CHANNEL = {	2504	our $CHAT_CHANNEL = {
2478	id => "chat",	2505	id => "chat",
2479	title => "Chat",	2506	title => "Chat",
…		…
2534		2561
2535	=item $player_object->enter_link	2562	=item $player_object->enter_link
2536		2563
2537	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
2538		2565
2539	The player should be reasonably safe there for short amounts of time. You	2566	The player should be reasonably safe there for short amounts of time (e.g.
2540	I<MUST> call C<leave_link> as soon as possible, though.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
2541		2570
2542	Will never block.	2571	Will never block.
2543		2572
2544	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
2545		2574
…		…
2597	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
2598	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
2599		2628
2600	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
2601	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
2602	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
2603		2632
2604	$map->load;	2633	$map->load;
2605	$map->load_neighbours;	2634	$map->load_neighbours;
2606		2635
2607	return unless $self->contr->active;	2636	return unless $self->contr->active;
2608	$self->activate_recursive;
2609		2637
2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2611	$self->enter_map ($map, $x, $y);	2639	$self->enter_map ($map, $x, $y);
		2640
		2641	# only activate afterwards, to support waiting in hooks
		2642	$self->activate_recursive;
2612	}	2643	}
2613		2644
2614	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2615		2646
2616	Moves the player to the given map-path and coordinates by first freezing	2647	Moves the player to the given map-path and coordinates by first freezing
…		…
2775	$self->contr->savebed ($map, $x, $y)	2806	$self->contr->savebed ($map, $x, $y)
2776	if $exit->flag (cf::FLAG_DAMNED);	2807	if $exit->flag (cf::FLAG_DAMNED);
2777		2808
2778	1	2809	1
2779	}) {	2810	}) {
2780	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
2781	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
2782	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
2783	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
2784		2815
2785	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
…		…
2802	sub cf::client::send_drawinfo {	2833	sub cf::client::send_drawinfo {
2803	my ($self, $text, $flags) = @_;	2834	my ($self, $text, $flags) = @_;
2804		2835
2805	utf8::encode $text;	2836	utf8::encode $text;
2806	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2838	}
		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
2807	}	2863	}
2808		2864
2809	=item $client->send_msg ($channel, $msg, $color, [extra...])	2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
2810		2866
2811	Send a drawinfo or msg packet to the client, formatting the msg for the	2867	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2815		2871
2816	=cut	2872	=cut
2817		2873
2818	# non-persistent channels (usually the info channel)	2874	# non-persistent channels (usually the info channel)
2819	our %CHANNEL = (	2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
2820	"c/identify" => {	2882	"c/identify" => {
2821	id => "infobox",	2883	id => "infobox",
2822	title => "Identify",	2884	title => "Identify",
2823	reply => undef,	2885	reply => undef,
2824	tooltip => "Items recently identified",	2886	tooltip => "Items recently identified",
…		…
2826	"c/examine" => {	2888	"c/examine" => {
2827	id => "infobox",	2889	id => "infobox",
2828	title => "Examine",	2890	title => "Examine",
2829	reply => undef,	2891	reply => undef,
2830	tooltip => "Signs and other items you examined",	2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
2831	},	2899	},
2832	"c/book" => {	2900	"c/book" => {
2833	id => "infobox",	2901	id => "infobox",
2834	title => "Book",	2902	title => "Book",
2835	reply => undef,	2903	reply => undef,
…		…
2851	id => "infobox",	2919	id => "infobox",
2852	title => "Body Parts",	2920	title => "Body Parts",
2853	reply => undef,	2921	reply => undef,
2854	tooltip => "Shows which body parts you posess and are available",	2922	tooltip => "Shows which body parts you posess and are available",
2855	},	2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
2856	"c/uptime" => {	2960	"c/uptime" => {
2857	id => "infobox",	2961	id => "infobox",
2858	title => "Uptime",	2962	title => "Uptime",
2859	reply => undef,	2963	reply => undef,
2860	tooltip => "How long the server has been running since last restart",	2964	tooltip => "How long the server has been running since last restart",
…		…
2869	id => "party",	2973	id => "party",
2870	title => "Party",	2974	title => "Party",
2871	reply => "gsay ",	2975	reply => "gsay ",
2872	tooltip => "Messages and chat related to your party",	2976	tooltip => "Messages and chat related to your party",
2873	},	2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
2874	);	2986	);
2875		2987
2876	sub cf::client::send_msg {	2988	sub cf::client::send_msg {
2877	my ($self, $channel, $msg, $color, @extra) = @_;	2989	my ($self, $channel, $msg, $color, @extra) = @_;
2878		2990
2879	$msg = $self->pl->expand_cfpod ($msg);	2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
2880		2993
2881	$color &= cf::NDI_CLIENT_MASK; # just in case...	2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
2882		2995
2883	# check predefined channels, for the benefit of C	2996	# check predefined channels, for the benefit of C
2884	if ($CHANNEL{$channel}) {	2997	if ($CHANNEL{$channel}) {
2885	$channel = $CHANNEL{$channel};	2998	$channel = $CHANNEL{$channel};
2886		2999
2887	$self->ext_msg (channel_info => $channel)	3000	$self->ext_msg (channel_info => $channel);
2888	if $self->can_msg;
2889
2890	$channel = $channel->{id};	3001	$channel = $channel->{id};
2891		3002
2892	} elsif (ref $channel) {	3003	} elsif (ref $channel) {
2893	# send meta info to client, if not yet sent	3004	# send meta info to client, if not yet sent
2894	unless (exists $self->{channel}{$channel->{id}}) {	3005	unless (exists $self->{channel}{$channel->{id}}) {
2895	$self->{channel}{$channel->{id}} = $channel;	3006	$self->{channel}{$channel->{id}} = $channel;
2896	$self->ext_msg (channel_info => $channel)	3007	$self->ext_msg (channel_info => $channel);
2897	if $self->can_msg;
2898	}	3008	}
2899		3009
2900	$channel = $channel->{id};	3010	$channel = $channel->{id};
2901	}	3011	}
2902		3012
2903	return unless @extra || length $msg;	3013	return unless @extra || length $msg;
2904		3014
2905	if ($self->can_msg) {
2906	# default colour, mask it out	3015	# default colour, mask it out
2907	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2908	if $color & cf::NDI_DEF;	3017	if $color & cf::NDI_DEF;
2909		3018
2910	$self->send_packet ("msg " . $self->{json_coder}->encode (	3019	my $pkt = "msg "
		3020	. $self->{json_coder}->encode (
2911	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2912	} else {	3022	);
2913	if ($color >= 0) {
2914	# replace some tags by gcfclient-compatible ones
2915	for ($msg) {
2916	1 while
2917	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2918	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2919	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2920	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2921	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2922	}
2923		3023
2924	$color &= cf::NDI_COLOR_MASK;	3024	$self->send_big_packet ($pkt);
2925
2926	utf8::encode $msg;
2927
2928	if (0 && $msg =~ /\[/) {
2929	# COMMAND/INFO
2930	$self->send_packet ("drawextinfo $color 10 8 $msg")
2931	} else {
2932	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2933	$self->send_packet ("drawinfo $color $msg")
2934	}
2935	}
2936	}
2937	}	3025	}
2938		3026
2939	=item $client->ext_msg ($type, @msg)	3027	=item $client->ext_msg ($type, @msg)
2940		3028
2941	Sends an ext event to the client.	3029	Sends an ext event to the client.
…		…
2944		3032
2945	sub cf::client::ext_msg($$@) {	3033	sub cf::client::ext_msg($$@) {
2946	my ($self, $type, @msg) = @_;	3034	my ($self, $type, @msg) = @_;
2947		3035
2948	if ($self->extcmd == 2) {	3036	if ($self->extcmd == 2) {
2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2950	} elsif ($self->extcmd == 1) { # TODO: remove	3038	} elsif ($self->extcmd == 1) { # TODO: remove
2951	push @msg, msgtype => "event_$type";	3039	push @msg, msgtype => "event_$type";
2952	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2953	}	3041	}
2954	}	3042	}
2955		3043
2956	=item $client->ext_reply ($msgid, @msg)	3044	=item $client->ext_reply ($msgid, @msg)
2957		3045
…		…
2961		3049
2962	sub cf::client::ext_reply($$@) {	3050	sub cf::client::ext_reply($$@) {
2963	my ($self, $id, @msg) = @_;	3051	my ($self, $id, @msg) = @_;
2964		3052
2965	if ($self->extcmd == 2) {	3053	if ($self->extcmd == 2) {
2966	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2967	} elsif ($self->extcmd == 1) {	3055	} elsif ($self->extcmd == 1) {
2968	#TODO: version 1, remove	3056	#TODO: version 1, remove
2969	unshift @msg, msgtype => "reply", msgid => $id;	3057	unshift @msg, msgtype => "reply", msgid => $id;
2970	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2971	}	3059	}
2972	}	3060	}
2973		3061
2974	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
2975		3063
…		…
3076		3164
3077	$coro	3165	$coro
3078	}	3166	}
3079		3167
3080	cf::client->attach (	3168	cf::client->attach (
3081	on_destroy => sub {	3169	on_client_destroy => sub {
3082	my ($ns) = @_;	3170	my ($ns) = @_;
3083		3171
3084	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3085	},	3173	},
3086	);	3174	);
…		…
3102	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
3103		3191
3104	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
3105		3193
3106	$safe->permit_only (Opcode::opset qw(	3194	$safe->permit_only (Opcode::opset qw(
3107	:base_core :base_mem :base_orig :base_math	3195	:base_core :base_mem :base_orig :base_math :base_loop
3108	grepstart grepwhile mapstart mapwhile	3196	grepstart grepwhile mapstart mapwhile
3109	sort time	3197	sort time
3110	));	3198	));
3111		3199
3112	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
…		…
3116	The following functions and methods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
3117		3205
3118	cf::object	3206	cf::object
3119	contr pay_amount pay_player map x y force_find force_add destroy	3207	contr pay_amount pay_player map x y force_find force_add destroy
3120	insert remove name archname title slaying race decrease split	3208	insert remove name archname title slaying race decrease split
		3209	value
3121		3210
3122	cf::object::player	3211	cf::object::player
3123	player	3212	player
3124		3213
3125	cf::player	3214	cf::player
…		…
3131	=cut	3220	=cut
3132		3221
3133	for (	3222	for (
3134	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3135	insert remove inv nrof name archname title slaying race	3224	insert remove inv nrof name archname title slaying race
3136	decrease split destroy change_exp)],	3225	decrease split destroy change_exp value msg lore send_msg)],
3137	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
3138	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
3139	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
3140	) {	3229	) {
3141	no strict 'refs';	3230	no strict 'refs';
3142	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
3143	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3161		3250
3162	my $qcode = $code;	3251	my $qcode = $code;
3163	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3164	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
3165		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
3166	local $_;	3258	local $_;
3167	local @safe::cf::_safe_eval_args = values %vars;
3168		3259
3169	my $eval =	3260	my $eval =
3170	"do {\n"	3261	"do {\n"
3171	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3172	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
3173	. $code	3264	. $code
3174	. "\n}"	3265	. "\n}"
3175	;	3266	;
3176		3267
		3268	if ($CFG{safe_eval}) {
3177	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
3178	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3179	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
3180		3277
3181	if ($@) {	3278	if ($@) {
3182	warn "$@";	3279	warn "$@";
3183	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
3184	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3203	=cut	3300	=cut
3204		3301
3205	sub register_script_function {	3302	sub register_script_function {
3206	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
3207		3304
3208	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
3209	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
3210	}	3307	}
3211		3308
3212	=back	3309	=back
3213		3310
3214	=cut	3311	=cut
…		…
3235		3332
3236	$facedata->{version} == 2	3333	$facedata->{version} == 2
3237	or cf::cleanup "$path: version mismatch, cannot proceed.";	3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
3238		3335
3239	# patch in the exptable	3336	# patch in the exptable
		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3240	$facedata->{resource}{"res/exp_table"} = {	3338	$facedata->{resource}{"res/exp_table"} = {
3241	type => FT_RSRC,	3339	type => FT_RSRC,
3242	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3340	data => $exp_table,
		3341	hash => (Digest::MD5::md5 $exp_table),
3243	};	3342	};
3244	cf::cede_to_tick;	3343	cf::cede_to_tick;
3245		3344
3246	{	3345	{
3247	my $faces = $facedata->{faceinfo};	3346	my $faces = $facedata->{faceinfo};
…		…
3249	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3251		3350
3252	cf::face::set_visibility $idx, $info->{visibility};	3351	cf::face::set_visibility $idx, $info->{visibility};
3253	cf::face::set_magicmap $idx, $info->{magicmap};	3352	cf::face::set_magicmap $idx, $info->{magicmap};
3254	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3255	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3256		3355
3257	cf::cede_to_tick;	3356	cf::cede_to_tick;
3258	}	3357	}
3259		3358
3260	while (my ($face, $info) = each %$faces) {	3359	while (my ($face, $info) = each %$faces) {
…		…
3284		3383
3285	cf::anim::invalidate_all; # d'oh	3384	cf::anim::invalidate_all; # d'oh
3286	}	3385	}
3287		3386
3288	{	3387	{
3289	# TODO: for gcfclient pleasure, we should give resources
3290	# that gcfclient doesn't grok a >10000 face index.
3291	my $res = $facedata->{resource};	3388	my $res = $facedata->{resource};
3292		3389
3293	while (my ($name, $info) = each %$res) {	3390	while (my ($name, $info) = each %$res) {
3294	if (defined $info->{type}) {	3391	if (defined $info->{type}) {
3295	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3296	my $data;
3297		3393
3298	if ($info->{type} & 1) {	3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3299	# prepend meta info
3300
3301	my $meta = $enc->encode ({
3302	name => $name,
3303	%{ $info->{meta} || {} },
3304	});
3305
3306	$data = pack "(w/a*)*", $meta, $info->{data};
3307	} else {
3308	$data = $info->{data};
3309	}
3310
3311	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3312	cf::face::set_type $idx, $info->{type};	3395	cf::face::set_type $idx, $info->{type};
3313	} else {	3396	} else {
3314	$RESOURCE{$name} = $info;	3397	$RESOURCE{$name} = $info;
3315	}	3398	}
3316		3399
…		…
3399	reload_treasures;	3482	reload_treasures;
3400		3483
3401	warn "finished reloading resource files\n";	3484	warn "finished reloading resource files\n";
3402	}	3485	}
3403		3486
3404	sub init {
3405	my $guard = freeze_mainloop;
3406
3407	evthread_start IO::AIO::poll_fileno;
3408
3409	reload_resources;
3410	}
3411
3412	sub reload_config {	3487	sub reload_config {
		3488	warn "reloading config file...\n";
		3489
3413	open my $fh, "<:utf8", "$CONFDIR/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
3414	or return;	3491	or return;
3415		3492
3416	local $/;	3493	local $/;
3417	*CFG = YAML::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
3418		3495
3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3420		3497
3421	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3422	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3426	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3427	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
3428	};	3505	};
3429	warn $@ if $@;	3506	warn $@ if $@;
3430	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
3431	}	3538	}
3432		3539
3433	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3549
3434	# we must not ever block the main coroutine	3550	# we must not ever block the main coroutine
3435	local $Coro::idle = sub {	3551	local $Coro::idle = sub {
3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3552	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3437	(async {	3553	(async {
3438	$Coro::current->{desc} = "IDLE BUG HANDLER";	3554	$Coro::current->{desc} = "IDLE BUG HANDLER";
3439	EV::loop EV::LOOP_ONESHOT;	3555	EV::loop EV::LOOP_ONESHOT;
3440	})->prio (Coro::PRIO_MAX);	3556	})->prio (Coro::PRIO_MAX);
3441	};	3557	};
3442		3558
3443	{	3559	evthread_start IO::AIO::poll_fileno;
3444	my $guard = freeze_mainloop;	3560
		3561	cf::sync_job {
		3562	cf::init_experience;
		3563	cf::init_anim;
		3564	cf::init_attackmess;
		3565	cf::init_dynamic;
		3566
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
3445	reload_config;	3571	reload_config;
3446	db_init;	3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
3447	load_extensions;	3582	load_extensions;
3448		3583
3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3584	utime time, time, $RUNTIMEFILE;
		3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
3450	}	3591	};
3451		3592
3452	EV::loop;	3593	main_loop;
3453	}	3594	}
3454		3595
3455	#############################################################################	3596	#############################################################################
3456	# initialisation and cleanup	3597	# initialisation and cleanup
3457		3598
3458	# install some emergency cleanup handlers	3599	# install some emergency cleanup handlers
3459	BEGIN {	3600	BEGIN {
3460	our %SIGWATCHER = ();	3601	our %SIGWATCHER = ();
3461	for my $signal (qw(INT HUP TERM)) {	3602	for my $signal (qw(INT HUP TERM)) {
3462	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3603	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3463	cf::cleanup "SIG$signal";	3604	cf::cleanup "SIG$signal";
3464	};	3605	};
3465	}	3606	}
3466	}	3607	}
3467		3608
3468	sub write_runtime_sync {	3609	sub write_runtime_sync {
3469	my $runtime = "$LOCALDIR/runtime";	3610	my $t0 = AE::time;
3470		3611
3471	# first touch the runtime file to show we are still running:	3612	# first touch the runtime file to show we are still running:
3472	# the fsync below can take a very very long time.	3613	# the fsync below can take a very very long time.
3473		3614
3474	IO::AIO::aio_utime $runtime, undef, undef;	3615	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3475		3616
3476	my $guard = cf::lock_acquire "write_runtime";	3617	my $guard = cf::lock_acquire "write_runtime";
3477		3618
3478	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3619	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3479	or return;	3620	or return;
3480		3621
3481	my $value = $cf::RUNTIME + 90 + 10;	3622	my $value = $cf::RUNTIME + 90 + 10;
3482	# 10 is the runtime save interval, for a monotonic clock	3623	# 10 is the runtime save interval, for a monotonic clock
3483	# 60 allows for the watchdog to kill the server.	3624	# 60 allows for the watchdog to kill the server.
…		…
3493	aio_utime $fh, undef, undef;	3634	aio_utime $fh, undef, undef;
3494		3635
3495	close $fh	3636	close $fh
3496	or return;	3637	or return;
3497		3638
3498	aio_rename "$runtime~", $runtime	3639	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3499	and return;	3640	and return;
3500		3641
3501	warn "runtime file written.\n";	3642	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3502		3643
3503	1	3644	1
3504	}	3645	}
3505		3646
3506	our $uuid_lock;	3647	our $uuid_lock;
…		…
3515	my $uuid = "$LOCALDIR/uuid";	3656	my $uuid = "$LOCALDIR/uuid";
3516		3657
3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3658	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3518	or return;	3659	or return;
3519		3660
3520	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3661	my $value = uuid_seq uuid_cur;
		3662
		3663	unless ($value) {
		3664	warn "cowardly refusing to write zero uuid value!\n";
		3665	return;
		3666	}
		3667
		3668	my $value = uuid_str $value + $uuid_skip;
3521	$uuid_skip = 0;	3669	$uuid_skip = 0;
3522		3670
3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3671	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3524	and return;	3672	and return;
3525		3673
…		…
3547	}	3695	}
3548		3696
3549	sub emergency_save() {	3697	sub emergency_save() {
3550	my $freeze_guard = cf::freeze_mainloop;	3698	my $freeze_guard = cf::freeze_mainloop;
3551		3699
3552	warn "enter emergency perl save\n";	3700	warn "emergency_perl_save: enter\n";
3553		3701
3554	cf::sync_job {	3702	cf::sync_job {
		3703	# this is a trade-off: we want to be very quick here, so
		3704	# save all maps without fsync, and later call a global sync
		3705	# (which in turn might be very very slow)
		3706	local $USE_FSYNC = 0;
		3707
3555	# use a peculiar iteration method to avoid tripping on perl	3708	# use a peculiar iteration method to avoid tripping on perl
3556	# refcount bugs in for. also avoids problems with players	3709	# refcount bugs in for. also avoids problems with players
3557	# and maps saved/destroyed asynchronously.	3710	# and maps saved/destroyed asynchronously.
3558	warn "begin emergency player save\n";	3711	warn "emergency_perl_save: begin player save\n";
3559	for my $login (keys %cf::PLAYER) {	3712	for my $login (keys %cf::PLAYER) {
3560	my $pl = $cf::PLAYER{$login} or next;	3713	my $pl = $cf::PLAYER{$login} or next;
3561	$pl->valid or next;	3714	$pl->valid or next;
3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3715	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3563	$pl->save;	3716	$pl->save;
3564	}	3717	}
3565	warn "end emergency player save\n";	3718	warn "emergency_perl_save: end player save\n";
3566		3719
3567	warn "begin emergency map save\n";	3720	warn "emergency_perl_save: begin map save\n";
3568	for my $path (keys %cf::MAP) {	3721	for my $path (keys %cf::MAP) {
3569	my $map = $cf::MAP{$path} or next;	3722	my $map = $cf::MAP{$path} or next;
3570	$map->valid or next;	3723	$map->valid or next;
3571	$map->save;	3724	$map->save;
3572	}	3725	}
3573	warn "end emergency map save\n";	3726	warn "emergency_perl_save: end map save\n";
3574		3727
3575	warn "begin emergency database checkpoint\n";	3728	warn "emergency_perl_save: begin database checkpoint\n";
3576	BDB::db_env_txn_checkpoint $DB_ENV;	3729	BDB::db_env_txn_checkpoint $DB_ENV;
3577	warn "end emergency database checkpoint\n";	3730	warn "emergency_perl_save: end database checkpoint\n";
3578		3731
3579	warn "begin write uuid\n";	3732	warn "emergency_perl_save: begin write uuid\n";
3580	write_uuid_sync 1;	3733	write_uuid_sync 1;
3581	warn "end write uuid\n";	3734	warn "emergency_perl_save: end write uuid\n";
3582	};	3735	};
3583		3736
		3737	warn "emergency_perl_save: starting sync()\n";
		3738	IO::AIO::aio_sync sub {
		3739	warn "emergency_perl_save: finished sync()\n";
		3740	};
		3741
3584	warn "leave emergency perl save\n";	3742	warn "emergency_perl_save: leave\n";
3585	}	3743	}
3586		3744
3587	sub post_cleanup {	3745	sub post_cleanup {
3588	my ($make_core) = @_;	3746	my ($make_core) = @_;
3589		3747
3590	warn Carp::longmess "post_cleanup backtrace"	3748	warn Carp::longmess "post_cleanup backtrace"
3591	if $make_core;	3749	if $make_core;
		3750
		3751	my $fh = pidfile;
		3752	unlink $PIDFILE if <$fh> == $$;
3592	}	3753	}
3593		3754
3594	# a safer delete_package, copied from Symbol	3755	# a safer delete_package, copied from Symbol
3595	sub clear_package($) {	3756	sub clear_package($) {
3596	my $pkg = shift;	3757	my $pkg = shift;
…		…
3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3773	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3613	for my $name (keys %$leaf_symtab) {	3774	for my $name (keys %$leaf_symtab) {
3614	_gv_clear *{"$pkg$name"};	3775	_gv_clear *{"$pkg$name"};
3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3776	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3616	}	3777	}
3617	warn "cleared package #$pkg\n";#d#	3778	warn "cleared package $pkg\n";#d#
3618	}	3779	}
3619
3620	our $RELOAD; # how many times to reload
3621		3780
3622	sub do_reload_perl() {	3781	sub do_reload_perl() {
3623	# can/must only be called in main	3782	# can/must only be called in main
3624	if ($Coro::current != $Coro::main) {	3783	if ($Coro::current != $Coro::main) {
3625	warn "can only reload from main coroutine";	3784	warn "can only reload from main coroutine";
3626	return;	3785	return;
3627	}	3786	}
3628		3787
3629	return if $RELOAD++;	3788	return if $RELOAD++;
		3789
		3790	my $t1 = AE::time;
3630		3791
3631	while ($RELOAD) {	3792	while ($RELOAD) {
3632	warn "reloading...";	3793	warn "reloading...";
3633		3794
3634	warn "entering sync_job";	3795	warn "entering sync_job";
…		…
3695	clear_package "safe::$_"	3856	clear_package "safe::$_"
3696	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3857	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3697		3858
3698	warn "unloading cf.pm \"a bit\"";	3859	warn "unloading cf.pm \"a bit\"";
3699	delete $INC{"cf.pm"};	3860	delete $INC{"cf.pm"};
3700	delete $INC{"cf/pod.pm"};	3861	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3701		3862
3702	# don't, removes xs symbols, too,	3863	# don't, removes xs symbols, too,
3703	# and global variables created in xs	3864	# and global variables created in xs
3704	#clear_package __PACKAGE__;	3865	#clear_package __PACKAGE__;
3705		3866
3706	warn "unload completed, starting to reload now";	3867	warn "unload completed, starting to reload now";
3707		3868
3708	warn "reloading cf.pm";	3869	warn "reloading cf.pm";
3709	require cf;	3870	require cf;
3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3871	cf::_connect_to_perl_1;
3711		3872
3712	warn "loading config and database again";	3873	warn "loading config and database again";
3713	cf::reload_config;	3874	cf::reload_config;
3714		3875
3715	warn "loading extensions";	3876	warn "loading extensions";
3716	cf::load_extensions;	3877	cf::load_extensions;
3717		3878
		3879	if ($REATTACH_ON_RELOAD) {
3718	warn "reattaching attachments to objects/players";	3880	warn "reattaching attachments to objects/players";
3719	_global_reattach; # objects, sockets	3881	_global_reattach; # objects, sockets
3720	warn "reattaching attachments to maps";	3882	warn "reattaching attachments to maps";
3721	reattach $_ for values %MAP;	3883	reattach $_ for values %MAP;
3722	warn "reattaching attachments to players";	3884	warn "reattaching attachments to players";
3723	reattach $_ for values %PLAYER;	3885	reattach $_ for values %PLAYER;
		3886	}
		3887
		3888	warn "running post_init jobs";
		3889	(pop @POST_INIT)->(1) while @POST_INIT;
3724		3890
3725	warn "leaving sync_job";	3891	warn "leaving sync_job";
3726		3892
3727	1	3893	1
3728	} or do {	3894	} or do {
…		…
3731	};	3897	};
3732		3898
3733	warn "reloaded";	3899	warn "reloaded";
3734	--$RELOAD;	3900	--$RELOAD;
3735	}	3901	}
		3902
		3903	$t1 = AE::time - $t1;
		3904	warn "reload completed in ${t1}s\n";
3736	};	3905	};
3737		3906
3738	our $RELOAD_WATCHER; # used only during reload	3907	our $RELOAD_WATCHER; # used only during reload
3739		3908
3740	sub reload_perl() {	3909	sub reload_perl() {
3741	# doing reload synchronously and two reloads happen back-to-back,	3910	# doing reload synchronously and two reloads happen back-to-back,
3742	# coro crashes during coro_state_free->destroy here.	3911	# coro crashes during coro_state_free->destroy here.
3743		3912
		3913	$RELOAD_WATCHER ||= cf::async {
		3914	Coro::AIO::aio_wait cache_extensions;
		3915
3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3916	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3745	do_reload_perl;	3917	do_reload_perl;
3746	undef $RELOAD_WATCHER;	3918	undef $RELOAD_WATCHER;
		3919	};
3747	};	3920	};
3748	}	3921	}
3749		3922
3750	register_command "reload" => sub {	3923	register_command "reload" => sub {
3751	my ($who, $arg) = @_;	3924	my ($who, $arg) = @_;
…		…
3765		3938
3766	our @WAIT_FOR_TICK;	3939	our @WAIT_FOR_TICK;
3767	our @WAIT_FOR_TICK_BEGIN;	3940	our @WAIT_FOR_TICK_BEGIN;
3768		3941
3769	sub wait_for_tick {	3942	sub wait_for_tick {
3770	return if tick_inhibit || $Coro::current == $Coro::main;	3943	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3771		3944
3772	my $signal = new Coro::Signal;	3945	my $signal = new Coro::Signal;
3773	push @WAIT_FOR_TICK, $signal;	3946	push @WAIT_FOR_TICK, $signal;
3774	$signal->wait;	3947	$signal->wait;
3775	}	3948	}
3776		3949
3777	sub wait_for_tick_begin {	3950	sub wait_for_tick_begin {
3778	return if tick_inhibit || $Coro::current == $Coro::main;	3951	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3779		3952
3780	my $signal = new Coro::Signal;	3953	my $signal = new Coro::Signal;
3781	push @WAIT_FOR_TICK_BEGIN, $signal;	3954	push @WAIT_FOR_TICK_BEGIN, $signal;
3782	$signal->wait;	3955	$signal->wait;
3783	}	3956	}
…		…
3788	unless ++$bug_warning > 10;	3961	unless ++$bug_warning > 10;
3789	return;	3962	return;
3790	}	3963	}
3791		3964
3792	cf::server_tick; # one server iteration	3965	cf::server_tick; # one server iteration
		3966
		3967	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3793		3968
3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3795	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3970	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3796	Coro::async_pool {	3971	Coro::async_pool {
3797	$Coro::current->{desc} = "runtime saver";	3972	$Coro::current->{desc} = "runtime saver";
…		…
3820	}	3995	}
3821		3996
3822	{	3997	{
3823	# configure BDB	3998	# configure BDB
3824		3999
3825	BDB::min_parallel 8;	4000	BDB::min_parallel 16;
3826	BDB::max_poll_reqs $TICK * 0.1;	4001	BDB::max_poll_reqs $TICK * 0.1;
3827	$AnyEvent::BDB::WATCHER->priority (1);	4002	$AnyEvent::BDB::WATCHER->priority (1);
3828		4003
3829	unless ($DB_ENV) {	4004	unless ($DB_ENV) {
3830	$DB_ENV = BDB::db_env_create;	4005	$DB_ENV = BDB::db_env_create;
…		…
3877	$msg =~ s/\n//;	4052	$msg =~ s/\n//;
3878		4053
3879	# limit the # of concurrent backtraces	4054	# limit the # of concurrent backtraces
3880	if ($_log_backtrace < 2) {	4055	if ($_log_backtrace < 2) {
3881	++$_log_backtrace;	4056	++$_log_backtrace;
		4057	my $perl_bt = Carp::longmess $msg;
3882	async {	4058	async {
3883	$Coro::current->{desc} = "abt $msg";	4059	$Coro::current->{desc} = "abt $msg";
3884		4060
3885	my @bt = fork_call {	4061	my @bt = fork_call {
3886	@addr = map { sprintf "%x", $_ } @addr;	4062	@addr = map { sprintf "%x", $_ } @addr;
…		…
3897	}	4073	}
3898		4074
3899	@funcs	4075	@funcs
3900	};	4076	};
3901		4077
3902	LOG llevInfo, "[ABT] $msg\n";	4078	LOG llevInfo, "[ABT] $perl_bt\n";
		4079	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3903	LOG llevInfo, "[ABT] $_\n" for @bt;	4080	LOG llevInfo, "[ABT] $_\n" for @bt;
3904	--$_log_backtrace;	4081	--$_log_backtrace;
3905	};	4082	};
3906	} else {	4083	} else {
3907	LOG llevInfo, "[ABT] $msg\n";	4084	LOG llevInfo, "[ABT] $msg\n";
3908	LOG llevInfo, "[ABT] [suppressed]\n";	4085	LOG llevInfo, "[ABT] [suppressed]\n";
3909	}	4086	}
3910	}	4087	}
3911		4088
3912	# load additional modules	4089	# load additional modules
3913	use cf::pod;	4090	require "cf/$_.pm" for @EXTRA_MODULES;
		4091	cf::_connect_to_perl_2;
3914		4092
3915	END { cf::emergency_save }	4093	END { cf::emergency_save }
3916		4094
3917	1	4095	1
3918		4096

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