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Revision 1.443 by root, Sun Aug 31 10:05:26 2008 UTC vs.
Revision 1.512 by root, Sun Apr 11 04:52:07 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;
98		112
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	115	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		117
104	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	121	our $DB_ENV;
108		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
109	our %CFG;	125	our %CFG;
110		126
111	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
112	our $RUNTIME;	128	our $RUNTIME;
113	our $NOW;	129	our $NOW;
…		…
122	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)
123	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	140	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
126		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
127	binmode STDOUT;	148	binmode STDOUT;
128	binmode STDERR;	149	binmode STDERR;
129		150
130	# read virtual server time, if available	151	# read virtual server time, if available
131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
135	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
136		159
137	mkdir $_	160	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		162
140	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
141		164
142	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::"} };
143		177
144	#############################################################################	178	#############################################################################
145		179
146	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
147		181
…		…
194	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
195	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.
196		230
197	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
198		232
199	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
200	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
201	that call.	235	that call.
202		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
203	=back	243	=back
204		244
205	=cut	245	=cut
206		246
207	BEGIN {	247	$Coro::State::WARNHOOK = sub {
208	*CORE::GLOBAL::warn = sub {
209	my $msg = join "", @_;	248	my $msg = join "", @_;
210		249
211	$msg .= "\n"	250	$msg .= "\n"
212	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
213		252
214	$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;
215		254
216	LOG llevError, $msg;	255	LOG llevError, $msg;
217	};	256	};
218	}
219		257
220	$Coro::State::DIEHOOK = sub {	258	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
222		262
223	if ($Coro::current == $Coro::main) {#d#	263	if ($Coro::current == $Coro::main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	265	return;#d#
226	}#d#	266	}#d#
227		267
228	# kill coroutine otherwise	268	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	269	Coro::terminate
231	};	270	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		271
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
252	)) {	289	)) {
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	291	}
255		292
256	$EV::DIED = sub {	293	$EV::DIED = sub {
257	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
258	};	295	};
259		296
260	#############################################################################	297	#############################################################################
261		298
262	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300		337
301	sub encode_json($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
303		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
304	=item cf::lock_wait $string	355	=item cf::lock_wait $string
305		356
306	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
307		358
308	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
309		360
310	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
311	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,
312	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
313	returned.	364	returned.
314		365
315	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
316	deadlocked coro.	367	deadlocked coro.
…		…
322		373
323	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.
324		375
325	=cut	376	=cut
326		377
327	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		379
330	sub lock_wait($) {	380	sub lock_wait($) {
331	my ($key) = @_;	381	$LOCKS->wait ($_[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} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	382	}
344		383
345	sub lock_acquire($) {	384	sub lock_acquire($) {
346	my ($key) = @_;	385	$LOCKS->guard ($_[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	}	386	}
360		387
361	sub lock_active($) {	388	sub lock_active($) {
362	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	390	}
366		391
367	sub freeze_mainloop {	392	sub freeze_mainloop {
368	tick_inhibit_inc;	393	tick_inhibit_inc;
369		394
370	Coro::guard \&tick_inhibit_dec;	395	&Guard::guard (\&tick_inhibit_dec);
371	}	396	}
372		397
373	=item cf::periodic $interval, $cb	398	=item cf::periodic $interval, $cb
374		399
375	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
…		…
398		423
399	=cut	424	=cut
400		425
401	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
402	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
403		429
404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
406	$Coro::current->desc ("timeslot manager");	432	$Coro::current->desc ("timeslot manager");
407		433
408	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
409		436
410	while () {	437	while () {
411	next_job:	438	next_job:
		439
412	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
413	if ($avail > 0.01) {	441
414	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
415	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
416	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
417	$job->[2]->send;	446	$job->[2]->send;
418	Coro::cede;	447	Coro::cede;
419	goto next_job;	448	goto next_job;
420	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
421	}	451	}
422	}	452	}
423		453
424	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
425	# 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
426	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
427	$signal->wait;	457	$signal->wait;
428	} else {	458	} else {
		459	$busy = 0;
429	Coro::schedule;	460	Coro::schedule;
430	}	461	}
431	}	462	}
432	};	463	};
433		464
434	sub get_slot($;$$) {	465	sub get_slot($;$$) {
435	return if tick_inhibit || $Coro::current == $Coro::main;	466	return if tick_inhibit || $Coro::current == $Coro::main;
436		467
437	my ($time, $pri, $name) = @_;	468	my ($time, $pri, $name) = @_;
438		469
439	$time = $TICK * .6 if $time > $TICK * .6;	470	$time = clamp $time, 0.01, $TICK * .6;
		471
440	my $sig = new Coro::Signal;	472	my $sig = new Coro::Signal;
441		473
442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
…		…
471		503
472	sub sync_job(&) {	504	sub sync_job(&) {
473	my ($job) = @_;	505	my ($job) = @_;
474		506
475	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
476	my $time = EV::time;	508	my $time = AE::time;
477		509
478	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
479	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
480		512
481	LOG llevError, Carp::longmess "sync job";#d#	513	LOG llevError, Carp::longmess "sync job";#d#
…		…
498	} else {	530	} else {
499	EV::loop EV::LOOP_ONESHOT;	531	EV::loop EV::LOOP_ONESHOT;
500	}	532	}
501	}	533	}
502		534
503	my $time = EV::time - $time;	535	my $time = AE::time - $time;
504		536
505	$TICK_START += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
506		538
507	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
508	} else {	540	} else {
…		…
727		759
728	#############################################################################	760	#############################################################################
729		761
730	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
731		763
732	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
733	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")
734	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
735		767
736	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>
737	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
…		…
787	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
788		820
789	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
790	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
791		823
792	Some classes such as crossfire maps and objects can specify attachments	824	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.	825	that are attached at load/instantiate time, thus the need for a name.
794		826
795	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
796		828
797	=over 4	829	=over 4
…		…
1147	$decname, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1148		1180
1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1150	aio_chmod $fh, SAVE_MODE;	1182	aio_chmod $fh, SAVE_MODE;
1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152	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	}
1153	aio_close $fh;	1188	aio_close $fh;
1154		1189
1155	if (@$objs) {	1190	if (@$objs) {
1156	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) {
1157	aio_chmod $fh, SAVE_MODE;	1192	aio_chmod $fh, SAVE_MODE;
1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1160	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	}
1161	aio_close $fh;	1199	aio_close $fh;
1162	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1163	}	1201	}
1164	} else {	1202	} else {
1165	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1166	}	1204	}
1167		1205
1168	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1169	} else {	1210	} else {
1170	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1171	}	1212	}
1172	} else {	1213	} else {
1173	aio_unlink $filename;	1214	aio_unlink $filename;
1174	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1175	}	1216	}
…		…
1266	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1267		1308
1268	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1269	}	1310	}
1270		1311
		1312	use File::Glob ();
		1313
1271	cf::player->attach (	1314	cf::player->attach (
1272	on_command => sub {	1315	on_unknown_command => sub {
1273	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1274		1317
1275	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
1276	or return;	1319	or return;
1277		1320
…		…
1307		1350
1308	cf::override;	1351	cf::override;
1309	},	1352	},
1310	);	1353	);
1311		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
1312	sub load_extensions {	1368	sub load_extensions {
1313	cf::sync_job {	1369	cf::sync_job {
1314	my %todo;	1370	my %todo;
1315		1371
1316	for my $path (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
…		…
1343	. "\n};\n1";	1399	. "\n};\n1";
1344		1400
1345	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1346	}	1402	}
1347		1403
		1404	my $pass = 0;
1348	my %done;	1405	my %done;
1349	while (%todo) {	1406	while (%todo) {
1350	my $progress;	1407	my $progress;
1351		1408
		1409	++$pass;
		1410
		1411	ext:
1352	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1353	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1354	goto skip	1414	next ext
1355	unless exists $done{$_};	1415	unless exists $done{$_};
1356	}	1416	}
1357		1417
1358	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1359		1419
1360	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1361	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1362	: "$v->{base}: extension inactive.\n";
1363		1424
1364	if (exists $v->{meta}{mandatory}) {
1365	warn $msg;
1366	cf::cleanup "mandatory extension failed to load, exiting.";	1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1367	}	1426	if exists $v->{meta}{mandatory};
1368		1427	} else {
1369	warn $msg;	1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1370	}	1434	}
1371
1372	$done{$k} = delete $todo{$k};
1373	push @EXTS, $v->{pkg};
1374	$progress = 1;
1375	}	1435	}
1376		1436
1377	skip:	1437	unless ($progress) {
1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1379	unless $progress;	1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
1380	}	1445	}
1381	};	1446	};
1382	}	1447	}
1383		1448
1384	#############################################################################	1449	#############################################################################
1385		1450
1386	=back	1451	=back
1387		1452
1388	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1389		1454
1390	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1391		1456
1392	=cut	1457	=cut
1393		1458
1394	package cf::player;	1459	package cf::player;
1395		1460
…		…
1438		1503
1439	sub exists($) {	1504	sub exists($) {
1440	my ($login) = @_;	1505	my ($login) = @_;
1441		1506
1442	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1443	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1444	}	1509	}
1445		1510
1446	sub find($) {	1511	sub find($) {
1447	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1448	my $login = $_[0];	1513	my $login = $_[0];
…		…
1468	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1469	}	1534	}
1470	}	1535	}
1471	}	1536	}
1472		1537
		1538	cf::player->attach (
		1539	on_load => sub {
		1540	my ($pl, $path) = @_;
		1541
		1542	# restore slots saved in save, below
		1543	my $slots = delete $pl->{_slots};
		1544
		1545	$pl->ob->current_weapon ($slots->[0]);
		1546	$pl->combat_ob ($slots->[1]);
		1547	$pl->ranged_ob ($slots->[2]);
		1548	},
		1549	);
		1550
1473	sub save($) {	1551	sub save($) {
1474	my ($pl) = @_;	1552	my ($pl) = @_;
1475		1553
1476	return if $pl->{deny_save};	1554	return if $pl->{deny_save};
1477		1555
…		…
1482		1560
1483	aio_mkdir playerdir $pl, 0770;	1561	aio_mkdir playerdir $pl, 0770;
1484	$pl->{last_save} = $cf::RUNTIME;	1562	$pl->{last_save} = $cf::RUNTIME;
1485		1563
1486	cf::get_slot 0.01;	1564	cf::get_slot 0.01;
		1565
		1566	# save slots, to be restored later
		1567	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1487		1568
1488	$pl->save_pl ($path);	1569	$pl->save_pl ($path);
1489	cf::cede_to_tick;	1570	cf::cede_to_tick;
1490	}	1571	}
1491		1572
…		…
1619	}	1700	}
1620		1701
1621	\@paths	1702	\@paths
1622	}	1703	}
1623		1704
1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1705	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625		1706
1626	Expand crossfire pod fragments into protocol xml.	1707	Expand deliantra pod fragments into protocol xml.
1627
1628	=cut
1629
1630	sub expand_cfpod {
1631	my ($self, $pod) = @_;
1632
1633	my @nest = [qr<\G$>, undef, ""];
1634	my $xml;
1635
1636	for ($pod) {
1637	while () {
1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
1639	$xml .= $1;
1640	} elsif (/\G\n(?=\S)/xgcs) {
1641	$xml .= " ";
1642	} elsif (/\G\n/xgcs) {
1643	$xml .= "\n";
1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
1645	my ($code, $delim) = ($1, scalar reverse $2);
1646	$delim =~ y/</>/; # delim now contains the stop sequence
1647	$delim = qr{\G\Q$delim};
1648
1649	my $cb;
1650
1651	if ($code eq "B") {
1652	$cb = sub { "<b>$_[0]</b>" };
1653	} elsif ($code eq "C") {
1654	$cb = sub { "<tt>$_[0]</tt>" };
1655	} elsif ($code eq "E") {
1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
1657	} elsif ($code eq "G") {
1658	$cb = sub {
1659	my ($male, $female) = split /\|/, $_[0];
1660	$self->gender ? $female : $male
1661	};
1662	} elsif ($code eq "H") {
1663	$cb = sub {
1664	(
1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1667	"",
1668	)[$self->{hintmode}];
1669	};
1670	} elsif ($code eq "I") {
1671	$cb = sub { "<i>$_[0]</i>" };
1672	} elsif ($code eq "T") {
1673	$cb = sub { "<big><b>$_[0]</b></big>" };
1674	} elsif ($code eq "U") {
1675	$cb = sub { "<u>$_[0]</u>" };
1676	} elsif ($code eq "Z") {
1677	$cb = sub { };
1678	} else {
1679	die "FATAL error in expand_cfpod";
1680	}
1681
1682	push @nest, [$delim, $cb, $xml];
1683	undef $xml;
1684
1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
1686	my $nest = pop @nest;
1687
1688	if ($nest->[1]) {
1689	$xml = $nest->[2] . $nest->[1]->($xml);
1690	} else {
1691	last;
1692	}
1693	} elsif (/\G</xgcs) {
1694	$xml .= "&lt;";
1695	} elsif (/\G&/xgcs) {
1696	$xml .= "&amp;";
1697	} elsif (/\G>/xgcs) {
1698	$xml .= ">";
1699	} else {
1700	if ($pod =~ /\G(.+)/xgcs) {
1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
1702	last;
1703	} else {
1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
1706	}
1707	}
1708	}
1709	}
1710
1711	$xml
1712	}
1713
1714	sub hintmode {
1715	$_[0]{hintmode} = $_[1] if @_ > 1;
1716	$_[0]{hintmode}
1717	}
1718		1708
1719	=item $player->ext_reply ($msgid, @msg)	1709	=item $player->ext_reply ($msgid, @msg)
1720		1710
1721	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1722		1712
…		…
1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1796		1786
1797	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1798	$self->_create_random_map (	1788	$self->_create_random_map (
1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1802	$rmp->{exit_on_final_map},	1792	$rmp->{exit_on_final_map},
1803	$rmp->{xsize}, $rmp->{ysize},	1793	$rmp->{xsize}, $rmp->{ysize},
1804	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1805	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1935		1925
1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1937	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1938	}	1928	}
1939		1929
1940	# and all this just because we cannot iterate over
1941	# all maps in C++...
1942	sub change_all_map_light {
1943	my ($change) = @_;
1944
1945	$_->change_map_light ($change)
1946	for grep $_->outdoor, values %cf::MAP;
1947	}
1948
1949	sub decay_objects {	1930	sub decay_objects {
1950	my ($self) = @_;	1931	my ($self) = @_;
1951		1932
1952	return if $self->{deny_reset};	1933	return if $self->{deny_reset};
1953		1934
…		…
2035	sub find {	2016	sub find {
2036	my ($path, $origin) = @_;	2017	my ($path, $origin) = @_;
2037		2018
2038	$path = normalise $path, $origin && $origin->path;	2019	$path = normalise $path, $origin && $origin->path;
2039		2020
2040	cf::lock_wait "map_data:$path";#d#remove	2021	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2041	cf::lock_wait "map_find:$path";	2022	my $guard2 = cf::lock_acquire "map_find:$path";
2042		2023
2043	$cf::MAP{$path} || do {	2024	$cf::MAP{$path} || do {
2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2045	my $guard2 = cf::lock_acquire "map_find:$path";
2046
2047	my $map = new_from_path cf::map $path	2025	my $map = new_from_path cf::map $path
2048	or return;	2026	or return;
2049		2027
2050	$map->{last_save} = $cf::RUNTIME;	2028	$map->{last_save} = $cf::RUNTIME;
2051		2029
…		…
2063		2041
2064	$cf::MAP{$path} = $map	2042	$cf::MAP{$path} = $map
2065	}	2043	}
2066	}	2044	}
2067		2045
2068	sub pre_load { }	2046	sub pre_load { }
2069	sub post_load { }	2047	#sub post_load { } # XS
2070		2048
2071	sub load {	2049	sub load {
2072	my ($self) = @_;	2050	my ($self) = @_;
2073		2051
2074	local $self->{deny_reset} = 1; # loading can take a long time	2052	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2119	unless ($self->{deny_activate}) {	2097	unless ($self->{deny_activate}) {
2120	$self->decay_objects;	2098	$self->decay_objects;
2121	$self->fix_auto_apply;	2099	$self->fix_auto_apply;
2122	$self->update_buttons;	2100	$self->update_buttons;
2123	cf::cede_to_tick;	2101	cf::cede_to_tick;
2124	$self->set_darkness_map;
2125	cf::cede_to_tick;
2126	$self->activate;	2102	$self->activate;
2127	}	2103	}
2128		2104
2129	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
2130	$self->last_access ($cf::RUNTIME);	2106	$self->last_access ($cf::RUNTIME);
…		…
2133	}	2109	}
2134		2110
2135	$self->post_load;	2111	$self->post_load;
2136	}	2112	}
2137		2113
		2114	# customize the map for a given player, i.e.
		2115	# return the _real_ map. used by e.g. per-player
		2116	# maps to change the path to ~playername/mappath
2138	sub customise_for {	2117	sub customise_for {
2139	my ($self, $ob) = @_;	2118	my ($self, $ob) = @_;
2140		2119
2141	return find "~" . $ob->name . "/" . $self->{path}	2120	return find "~" . $ob->name . "/" . $self->{path}
2142	if $self->per_player;	2121	if $self->per_player;
…		…
2296		2275
2297	my $lock = cf::lock_acquire "map_data:$self->{path}";	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
2298		2277
2299	return if $self->players;	2278	return if $self->players;
2300		2279
2301	warn "resetting map ", $self->path;	2280	warn "resetting map ", $self->path, "\n";
2302		2281
2303	$self->in_memory (cf::MAP_SWAPPED);	2282	$self->in_memory (cf::MAP_SWAPPED);
2304		2283
2305	# need to save uniques path	2284	# need to save uniques path
2306	unless ($self->{deny_save}) {	2285	unless ($self->{deny_save}) {
…		…
2397	: normalise $_	2376	: normalise $_
2398	} @{ aio_readdir $UNIQUEDIR or [] }	2377	} @{ aio_readdir $UNIQUEDIR or [] }
2399	]	2378	]
2400	}	2379	}
2401		2380
		2381	=item cf::map::static_maps
		2382
		2383	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2384	file in the shared directory excluding F</styles> and F</editor>). May
		2385	block.
		2386
		2387	=cut
		2388
		2389	sub static_maps() {
		2390	my @dirs = "";
		2391	my @maps;
		2392
		2393	while (@dirs) {
		2394	my $dir = shift @dirs;
		2395
		2396	next if $dir eq "/styles" || $dir eq "/editor";
		2397
		2398	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2399	or return;
		2400
		2401	for (@$files) {
		2402	s/\.map$// or next;
		2403	utf8::decode $_;
		2404	push @maps, "$dir/$_";
		2405	}
		2406
		2407	push @dirs, map "$dir/$_", @$dirs;
		2408	}
		2409
		2410	\@maps
		2411	}
		2412
2402	=back	2413	=back
2403		2414
2404	=head3 cf::object	2415	=head3 cf::object
2405		2416
2406	=cut	2417	=cut
…		…
2471		2482
2472	our $SAY_CHANNEL = {	2483	our $SAY_CHANNEL = {
2473	id => "say",	2484	id => "say",
2474	title => "Map",	2485	title => "Map",
2475	reply => "say ",	2486	reply => "say ",
2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2487	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2477	};	2488	};
2478		2489
2479	our $CHAT_CHANNEL = {	2490	our $CHAT_CHANNEL = {
2480	id => "chat",	2491	id => "chat",
2481	title => "Chat",	2492	title => "Chat",
…		…
2536		2547
2537	=item $player_object->enter_link	2548	=item $player_object->enter_link
2538		2549
2539	Freezes the player and moves him/her to a special map (C<{link}>).	2550	Freezes the player and moves him/her to a special map (C<{link}>).
2540		2551
2541	The player should be reasonably safe there for short amounts of time. You	2552	The player should be reasonably safe there for short amounts of time (e.g.
2542	I<MUST> call C<leave_link> as soon as possible, though.	2553	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2554	though, as the palyer cannot control the character while it is on the link
		2555	map.
2543		2556
2544	Will never block.	2557	Will never block.
2545		2558
2546	=item $player_object->leave_link ($map, $x, $y)	2559	=item $player_object->leave_link ($map, $x, $y)
2547		2560
…		…
2599	($x, $y) = (-1, -1)	2612	($x, $y) = (-1, -1)
2600	unless (defined $x) && (defined $y);	2613	unless (defined $x) && (defined $y);
2601		2614
2602	# use -1 or undef as default coordinates, not 0, 0	2615	# use -1 or undef as default coordinates, not 0, 0
2603	($x, $y) = ($map->enter_x, $map->enter_y)	2616	($x, $y) = ($map->enter_x, $map->enter_y)
2604	if $x <=0 && $y <= 0;	2617	if $x <= 0 && $y <= 0;
2605		2618
2606	$map->load;	2619	$map->load;
2607	$map->load_neighbours;	2620	$map->load_neighbours;
2608		2621
2609	return unless $self->contr->active;	2622	return unless $self->contr->active;
2610	$self->activate_recursive;
2611		2623
2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2624	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2613	$self->enter_map ($map, $x, $y);	2625	$self->enter_map ($map, $x, $y);
		2626
		2627	# only activate afterwards, to support waiting in hooks
		2628	$self->activate_recursive;
2614	}	2629	}
2615		2630
2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2631	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2617		2632
2618	Moves the player to the given map-path and coordinates by first freezing	2633	Moves the player to the given map-path and coordinates by first freezing
…		…
2777	$self->contr->savebed ($map, $x, $y)	2792	$self->contr->savebed ($map, $x, $y)
2778	if $exit->flag (cf::FLAG_DAMNED);	2793	if $exit->flag (cf::FLAG_DAMNED);
2779		2794
2780	1	2795	1
2781	}) {	2796	}) {
2782	$self->message ("Something went wrong deep within the crossfire server. "	2797	$self->message ("Something went wrong deep within the deliantra server. "
2783	. "I'll try to bring you back to the map you were before. "	2798	. "I'll try to bring you back to the map you were before. "
2784	. "Please report this to the dungeon master!",	2799	. "Please report this to the dungeon master!",
2785	cf::NDI_UNIQUE | cf::NDI_RED);	2800	cf::NDI_UNIQUE | cf::NDI_RED);
2786		2801
2787	warn "ERROR in enter_exit: $@";	2802	warn "ERROR in enter_exit: $@";
…		…
2804	sub cf::client::send_drawinfo {	2819	sub cf::client::send_drawinfo {
2805	my ($self, $text, $flags) = @_;	2820	my ($self, $text, $flags) = @_;
2806		2821
2807	utf8::encode $text;	2822	utf8::encode $text;
2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2823	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2824	}
		2825
		2826	=item $client->send_big_packet ($pkt)
		2827
		2828	Like C<send_packet>, but tries to compress large packets, and fragments
		2829	them as required.
		2830
		2831	=cut
		2832
		2833	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2834
		2835	sub cf::client::send_big_packet {
		2836	my ($self, $pkt) = @_;
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
2809	}	2849	}
2810		2850
2811	=item $client->send_msg ($channel, $msg, $color, [extra...])	2851	=item $client->send_msg ($channel, $msg, $color, [extra...])
2812		2852
2813	Send a drawinfo or msg packet to the client, formatting the msg for the	2853	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2817		2857
2818	=cut	2858	=cut
2819		2859
2820	# non-persistent channels (usually the info channel)	2860	# non-persistent channels (usually the info channel)
2821	our %CHANNEL = (	2861	our %CHANNEL = (
		2862	"c/motd" => {
		2863	id => "infobox",
		2864	title => "MOTD",
		2865	reply => undef,
		2866	tooltip => "The message of the day",
		2867	},
2822	"c/identify" => {	2868	"c/identify" => {
2823	id => "infobox",	2869	id => "infobox",
2824	title => "Identify",	2870	title => "Identify",
2825	reply => undef,	2871	reply => undef,
2826	tooltip => "Items recently identified",	2872	tooltip => "Items recently identified",
…		…
2828	"c/examine" => {	2874	"c/examine" => {
2829	id => "infobox",	2875	id => "infobox",
2830	title => "Examine",	2876	title => "Examine",
2831	reply => undef,	2877	reply => undef,
2832	tooltip => "Signs and other items you examined",	2878	tooltip => "Signs and other items you examined",
		2879	},
		2880	"c/shopinfo" => {
		2881	id => "infobox",
		2882	title => "Shop Info",
		2883	reply => undef,
		2884	tooltip => "What your bargaining skill tells you about the shop",
2833	},	2885	},
2834	"c/book" => {	2886	"c/book" => {
2835	id => "infobox",	2887	id => "infobox",
2836	title => "Book",	2888	title => "Book",
2837	reply => undef,	2889	reply => undef,
…		…
2853	id => "infobox",	2905	id => "infobox",
2854	title => "Body Parts",	2906	title => "Body Parts",
2855	reply => undef,	2907	reply => undef,
2856	tooltip => "Shows which body parts you posess and are available",	2908	tooltip => "Shows which body parts you posess and are available",
2857	},	2909	},
		2910	"c/statistics" => {
		2911	id => "infobox",
		2912	title => "Statistics",
		2913	reply => undef,
		2914	tooltip => "Shows your primary statistics",
		2915	},
		2916	"c/skills" => {
		2917	id => "infobox",
		2918	title => "Skills",
		2919	reply => undef,
		2920	tooltip => "Shows your experience per skill and item power",
		2921	},
		2922	"c/shopitems" => {
		2923	id => "infobox",
		2924	title => "Shop Items",
		2925	reply => undef,
		2926	tooltip => "Shows the items currently for sale in this shop",
		2927	},
		2928	"c/resistances" => {
		2929	id => "infobox",
		2930	title => "Resistances",
		2931	reply => undef,
		2932	tooltip => "Shows your resistances",
		2933	},
		2934	"c/pets" => {
		2935	id => "infobox",
		2936	title => "Pets",
		2937	reply => undef,
		2938	tooltip => "Shows information abotu your pets/a specific pet",
		2939	},
		2940	"c/perceiveself" => {
		2941	id => "infobox",
		2942	title => "Perceive Self",
		2943	reply => undef,
		2944	tooltip => "You gained detailed knowledge about yourself",
		2945	},
2858	"c/uptime" => {	2946	"c/uptime" => {
2859	id => "infobox",	2947	id => "infobox",
2860	title => "Uptime",	2948	title => "Uptime",
2861	reply => undef,	2949	reply => undef,
2862	tooltip => "How long the server has been running since last restart",	2950	tooltip => "How long the server has been running since last restart",
…		…
2871	id => "party",	2959	id => "party",
2872	title => "Party",	2960	title => "Party",
2873	reply => "gsay ",	2961	reply => "gsay ",
2874	tooltip => "Messages and chat related to your party",	2962	tooltip => "Messages and chat related to your party",
2875	},	2963	},
		2964	"c/death" => {
		2965	id => "death",
		2966	title => "Death",
		2967	reply => undef,
		2968	tooltip => "Reason for and more info about your most recent death",
		2969	},
		2970	"c/say" => $SAY_CHANNEL,
		2971	"c/chat" => $CHAT_CHANNEL,
2876	);	2972	);
2877		2973
2878	sub cf::client::send_msg {	2974	sub cf::client::send_msg {
2879	my ($self, $channel, $msg, $color, @extra) = @_;	2975	my ($self, $channel, $msg, $color, @extra) = @_;
2880		2976
2881	$msg = $self->pl->expand_cfpod ($msg);	2977	$msg = $self->pl->expand_cfpod ($msg)
		2978	unless $color & cf::NDI_VERBATIM;
2882		2979
2883	$color &= cf::NDI_CLIENT_MASK; # just in case...	2980	$color &= cf::NDI_CLIENT_MASK; # just in case...
2884		2981
2885	# check predefined channels, for the benefit of C	2982	# check predefined channels, for the benefit of C
2886	if ($CHANNEL{$channel}) {	2983	if ($CHANNEL{$channel}) {
2887	$channel = $CHANNEL{$channel};	2984	$channel = $CHANNEL{$channel};
2888		2985
2889	$self->ext_msg (channel_info => $channel)	2986	$self->ext_msg (channel_info => $channel);
2890	if $self->can_msg;
2891
2892	$channel = $channel->{id};	2987	$channel = $channel->{id};
2893		2988
2894	} elsif (ref $channel) {	2989	} elsif (ref $channel) {
2895	# send meta info to client, if not yet sent	2990	# send meta info to client, if not yet sent
2896	unless (exists $self->{channel}{$channel->{id}}) {	2991	unless (exists $self->{channel}{$channel->{id}}) {
2897	$self->{channel}{$channel->{id}} = $channel;	2992	$self->{channel}{$channel->{id}} = $channel;
2898	$self->ext_msg (channel_info => $channel)	2993	$self->ext_msg (channel_info => $channel);
2899	if $self->can_msg;
2900	}	2994	}
2901		2995
2902	$channel = $channel->{id};	2996	$channel = $channel->{id};
2903	}	2997	}
2904		2998
2905	return unless @extra || length $msg;	2999	return unless @extra || length $msg;
2906		3000
2907	if ($self->can_msg) {
2908	# default colour, mask it out	3001	# default colour, mask it out
2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3002	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2910	if $color & cf::NDI_DEF;	3003	if $color & cf::NDI_DEF;
2911		3004
2912	my $pkt = "msg "	3005	my $pkt = "msg "
2913	. $self->{json_coder}->encode (	3006	. $self->{json_coder}->encode (
2914	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3007	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2915	);	3008	);
2916		3009
2917	# try lzf for large packets
2918	$pkt = "lzf " . Compress::LZF::compress $pkt
2919	if 1024 <= length $pkt and $self->{can_lzf};
2920
2921	# split very large packets
2922	if (8192 < length $pkt and $self->{can_lzf}) {
2923	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2924	$pkt = "frag";
2925	}
2926
2927	$self->send_packet ($pkt);	3010	$self->send_big_packet ($pkt);
2928	} else {
2929	if ($color >= 0) {
2930	# replace some tags by gcfclient-compatible ones
2931	for ($msg) {
2932	1 while
2933	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2934	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2935	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2936	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2937	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2938	}
2939
2940	$color &= cf::NDI_COLOR_MASK;
2941
2942	utf8::encode $msg;
2943
2944	if (0 && $msg =~ /\[/) {
2945	# COMMAND/INFO
2946	$self->send_packet ("drawextinfo $color 10 8 $msg")
2947	} else {
2948	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2949	$self->send_packet ("drawinfo $color $msg")
2950	}
2951	}
2952	}
2953	}	3011	}
2954		3012
2955	=item $client->ext_msg ($type, @msg)	3013	=item $client->ext_msg ($type, @msg)
2956		3014
2957	Sends an ext event to the client.	3015	Sends an ext event to the client.
…		…
2960		3018
2961	sub cf::client::ext_msg($$@) {	3019	sub cf::client::ext_msg($$@) {
2962	my ($self, $type, @msg) = @_;	3020	my ($self, $type, @msg) = @_;
2963		3021
2964	if ($self->extcmd == 2) {	3022	if ($self->extcmd == 2) {
2965	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3023	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2966	} elsif ($self->extcmd == 1) { # TODO: remove	3024	} elsif ($self->extcmd == 1) { # TODO: remove
2967	push @msg, msgtype => "event_$type";	3025	push @msg, msgtype => "event_$type";
2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2969	}	3027	}
2970	}	3028	}
2971		3029
2972	=item $client->ext_reply ($msgid, @msg)	3030	=item $client->ext_reply ($msgid, @msg)
2973		3031
…		…
2977		3035
2978	sub cf::client::ext_reply($$@) {	3036	sub cf::client::ext_reply($$@) {
2979	my ($self, $id, @msg) = @_;	3037	my ($self, $id, @msg) = @_;
2980		3038
2981	if ($self->extcmd == 2) {	3039	if ($self->extcmd == 2) {
2982	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2983	} elsif ($self->extcmd == 1) {	3041	} elsif ($self->extcmd == 1) {
2984	#TODO: version 1, remove	3042	#TODO: version 1, remove
2985	unshift @msg, msgtype => "reply", msgid => $id;	3043	unshift @msg, msgtype => "reply", msgid => $id;
2986	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3044	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2987	}	3045	}
2988	}	3046	}
2989		3047
2990	=item $success = $client->query ($flags, "text", \&cb)	3048	=item $success = $client->query ($flags, "text", \&cb)
2991		3049
…		…
3092		3150
3093	$coro	3151	$coro
3094	}	3152	}
3095		3153
3096	cf::client->attach (	3154	cf::client->attach (
3097	on_destroy => sub {	3155	on_client_destroy => sub {
3098	my ($ns) = @_;	3156	my ($ns) = @_;
3099		3157
3100	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3158	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3101	},	3159	},
3102	);	3160	);
…		…
3118	our $safe_hole = new Safe::Hole;	3176	our $safe_hole = new Safe::Hole;
3119		3177
3120	$SIG{FPE} = 'IGNORE';	3178	$SIG{FPE} = 'IGNORE';
3121		3179
3122	$safe->permit_only (Opcode::opset qw(	3180	$safe->permit_only (Opcode::opset qw(
3123	:base_core :base_mem :base_orig :base_math	3181	:base_core :base_mem :base_orig :base_math :base_loop
3124	grepstart grepwhile mapstart mapwhile	3182	grepstart grepwhile mapstart mapwhile
3125	sort time	3183	sort time
3126	));	3184	));
3127		3185
3128	# here we export the classes and methods available to script code	3186	# here we export the classes and methods available to script code
…		…
3132	The following functions and methods are available within a safe environment:	3190	The following functions and methods are available within a safe environment:
3133		3191
3134	cf::object	3192	cf::object
3135	contr pay_amount pay_player map x y force_find force_add destroy	3193	contr pay_amount pay_player map x y force_find force_add destroy
3136	insert remove name archname title slaying race decrease split	3194	insert remove name archname title slaying race decrease split
		3195	value
3137		3196
3138	cf::object::player	3197	cf::object::player
3139	player	3198	player
3140		3199
3141	cf::player	3200	cf::player
…		…
3147	=cut	3206	=cut
3148		3207
3149	for (	3208	for (
3150	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3209	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3151	insert remove inv nrof name archname title slaying race	3210	insert remove inv nrof name archname title slaying race
3152	decrease split destroy change_exp)],	3211	decrease split destroy change_exp value msg lore send_msg)],
3153	["cf::object::player" => qw(player)],	3212	["cf::object::player" => qw(player)],
3154	["cf::player" => qw(peaceful)],	3213	["cf::player" => qw(peaceful send_msg)],
3155	["cf::map" => qw(trigger)],	3214	["cf::map" => qw(trigger)],
3156	) {	3215	) {
3157	no strict 'refs';	3216	no strict 'refs';
3158	my ($pkg, @funs) = @$_;	3217	my ($pkg, @funs) = @$_;
3159	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3218	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3177		3236
3178	my $qcode = $code;	3237	my $qcode = $code;
3179	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3238	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3180	$qcode =~ s/\n/\\n/g;	3239	$qcode =~ s/\n/\\n/g;
3181		3240
		3241	%vars = (_dummy => 0) unless %vars;
		3242
		3243	my @res;
3182	local $_;	3244	local $_;
3183	local @safe::cf::_safe_eval_args = values %vars;
3184		3245
3185	my $eval =	3246	my $eval =
3186	"do {\n"	3247	"do {\n"
3187	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3248	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3188	. "#line 0 \"{$qcode}\"\n"	3249	. "#line 0 \"{$qcode}\"\n"
3189	. $code	3250	. $code
3190	. "\n}"	3251	. "\n}"
3191	;	3252	;
3192		3253
		3254	if ($CFG{safe_eval}) {
3193	sub_generation_inc;	3255	sub_generation_inc;
		3256	local @safe::cf::_safe_eval_args = values %vars;
3194	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3257	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3195	sub_generation_inc;	3258	sub_generation_inc;
		3259	} else {
		3260	local @cf::_safe_eval_args = values %vars;
		3261	@res = wantarray ? eval eval : scalar eval $eval;
		3262	}
3196		3263
3197	if ($@) {	3264	if ($@) {
3198	warn "$@";	3265	warn "$@";
3199	warn "while executing safe code '$code'\n";	3266	warn "while executing safe code '$code'\n";
3200	warn "with arguments " . (join " ", %vars) . "\n";	3267	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3219	=cut	3286	=cut
3220		3287
3221	sub register_script_function {	3288	sub register_script_function {
3222	my ($fun, $cb) = @_;	3289	my ($fun, $cb) = @_;
3223		3290
3224	no strict 'refs';	3291	$fun = "safe::$fun" if $CFG{safe_eval};
3225	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3292	*$fun = $safe_hole->wrap ($cb);
3226	}	3293	}
3227		3294
3228	=back	3295	=back
3229		3296
3230	=cut	3297	=cut
…		…
3251		3318
3252	$facedata->{version} == 2	3319	$facedata->{version} == 2
3253	or cf::cleanup "$path: version mismatch, cannot proceed.";	3320	or cf::cleanup "$path: version mismatch, cannot proceed.";
3254		3321
3255	# patch in the exptable	3322	# patch in the exptable
		3323	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3256	$facedata->{resource}{"res/exp_table"} = {	3324	$facedata->{resource}{"res/exp_table"} = {
3257	type => FT_RSRC,	3325	type => FT_RSRC,
3258	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3326	data => $exp_table,
		3327	hash => (Digest::MD5::md5 $exp_table),
3259	};	3328	};
3260	cf::cede_to_tick;	3329	cf::cede_to_tick;
3261		3330
3262	{	3331	{
3263	my $faces = $facedata->{faceinfo};	3332	my $faces = $facedata->{faceinfo};
…		…
3265	while (my ($face, $info) = each %$faces) {	3334	while (my ($face, $info) = each %$faces) {
3266	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3335	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3267		3336
3268	cf::face::set_visibility $idx, $info->{visibility};	3337	cf::face::set_visibility $idx, $info->{visibility};
3269	cf::face::set_magicmap $idx, $info->{magicmap};	3338	cf::face::set_magicmap $idx, $info->{magicmap};
3270	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3339	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3271	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3340	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3272		3341
3273	cf::cede_to_tick;	3342	cf::cede_to_tick;
3274	}	3343	}
3275		3344
3276	while (my ($face, $info) = each %$faces) {	3345	while (my ($face, $info) = each %$faces) {
…		…
3300		3369
3301	cf::anim::invalidate_all; # d'oh	3370	cf::anim::invalidate_all; # d'oh
3302	}	3371	}
3303		3372
3304	{	3373	{
3305	# TODO: for gcfclient pleasure, we should give resources
3306	# that gcfclient doesn't grok a >10000 face index.
3307	my $res = $facedata->{resource};	3374	my $res = $facedata->{resource};
3308		3375
3309	while (my ($name, $info) = each %$res) {	3376	while (my ($name, $info) = each %$res) {
3310	if (defined $info->{type}) {	3377	if (defined $info->{type}) {
3311	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3378	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3312	my $data;
3313		3379
3314	if ($info->{type} & 1) {	3380	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3315	# prepend meta info
3316
3317	my $meta = $enc->encode ({
3318	name => $name,
3319	%{ $info->{meta} || {} },
3320	});
3321
3322	$data = pack "(w/a*)*", $meta, $info->{data};
3323	} else {
3324	$data = $info->{data};
3325	}
3326
3327	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3328	cf::face::set_type $idx, $info->{type};	3381	cf::face::set_type $idx, $info->{type};
3329	} else {	3382	} else {
3330	$RESOURCE{$name} = $info;	3383	$RESOURCE{$name} = $info;
3331	}	3384	}
3332		3385
…		…
3415	reload_treasures;	3468	reload_treasures;
3416		3469
3417	warn "finished reloading resource files\n";	3470	warn "finished reloading resource files\n";
3418	}	3471	}
3419		3472
3420	sub init {
3421	my $guard = freeze_mainloop;
3422
3423	evthread_start IO::AIO::poll_fileno;
3424
3425	reload_resources;
3426	}
3427
3428	sub reload_config {	3473	sub reload_config {
		3474	warn "reloading config file...\n";
		3475
3429	open my $fh, "<:utf8", "$CONFDIR/config"	3476	open my $fh, "<:utf8", "$CONFDIR/config"
3430	or return;	3477	or return;
3431		3478
3432	local $/;	3479	local $/;
3433	*CFG = YAML::Load <$fh>;	3480	*CFG = YAML::XS::Load scalar <$fh>;
3434		3481
3435	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3482	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3436		3483
3437	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3484	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3438	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3485	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3442	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3489	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3443	and die "WARNING: m(un)lockall failed: $!\n";	3490	and die "WARNING: m(un)lockall failed: $!\n";
3444	};	3491	};
3445	warn $@ if $@;	3492	warn $@ if $@;
3446	}	3493	}
		3494
		3495	warn "finished reloading resource files\n";
		3496	}
		3497
		3498	sub pidfile() {
		3499	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3500	or die "$PIDFILE: $!";
		3501	flock $fh, &Fcntl::LOCK_EX
		3502	or die "$PIDFILE: flock: $!";
		3503	$fh
		3504	}
		3505
		3506	# make sure only one server instance is running at any one time
		3507	sub atomic {
		3508	my $fh = pidfile;
		3509
		3510	my $pid = <$fh>;
		3511	kill 9, $pid if $pid > 0;
		3512
		3513	seek $fh, 0, 0;
		3514	print $fh $$;
		3515	}
		3516
		3517	sub main_loop {
		3518	warn "EV::loop starting\n";
		3519	if (1) {
		3520	EV::loop;
		3521	}
		3522	warn "EV::loop returned\n";
		3523	goto &main_loop unless $REALLY_UNLOOP;
3447	}	3524	}
3448		3525
3449	sub main {	3526	sub main {
		3527	cf::init_globals; # initialise logging
		3528
		3529	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3530	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3531	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3532	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3533
		3534	cf::init_experience;
		3535	cf::init_anim;
		3536	cf::init_attackmess;
		3537	cf::init_dynamic;
		3538
		3539	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3540
3450	# we must not ever block the main coroutine	3541	# we must not ever block the main coroutine
3451	local $Coro::idle = sub {	3542	local $Coro::idle = sub {
3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3543	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3453	(async {	3544	(async {
3454	$Coro::current->{desc} = "IDLE BUG HANDLER";	3545	$Coro::current->{desc} = "IDLE BUG HANDLER";
3455	EV::loop EV::LOOP_ONESHOT;	3546	EV::loop EV::LOOP_ONESHOT;
3456	})->prio (Coro::PRIO_MAX);	3547	})->prio (Coro::PRIO_MAX);
3457	};	3548	};
3458		3549
3459	{	3550	evthread_start IO::AIO::poll_fileno;
3460	my $guard = freeze_mainloop;	3551
		3552	cf::sync_job {
		3553	cf::load_settings;
		3554	cf::load_materials;
		3555
		3556	reload_resources;
3461	reload_config;	3557	reload_config;
3462	db_init;	3558	db_init;
		3559
		3560	cf::init_uuid;
		3561	cf::init_signals;
		3562	cf::init_skills;
		3563
		3564	cf::init_beforeplay;
		3565
		3566	atomic;
		3567
3463	load_extensions;	3568	load_extensions;
3464		3569
3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3570	utime time, time, $RUNTIMEFILE;
		3571
		3572	# no (long-running) fork's whatsoever before this point(!)
		3573	use POSIX ();
		3574	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3575
		3576	(pop @POST_INIT)->(0) while @POST_INIT;
3466	}	3577	};
3467		3578
3468	EV::loop;	3579	main_loop;
3469	}	3580	}
3470		3581
3471	#############################################################################	3582	#############################################################################
3472	# initialisation and cleanup	3583	# initialisation and cleanup
3473		3584
3474	# install some emergency cleanup handlers	3585	# install some emergency cleanup handlers
3475	BEGIN {	3586	BEGIN {
3476	our %SIGWATCHER = ();	3587	our %SIGWATCHER = ();
3477	for my $signal (qw(INT HUP TERM)) {	3588	for my $signal (qw(INT HUP TERM)) {
3478	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3589	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3479	cf::cleanup "SIG$signal";	3590	cf::cleanup "SIG$signal";
3480	};	3591	};
3481	}	3592	}
3482	}	3593	}
3483		3594
3484	sub write_runtime_sync {	3595	sub write_runtime_sync {
3485	my $runtime = "$LOCALDIR/runtime";	3596	my $t0 = AE::time;
3486		3597
3487	# first touch the runtime file to show we are still running:	3598	# first touch the runtime file to show we are still running:
3488	# the fsync below can take a very very long time.	3599	# the fsync below can take a very very long time.
3489		3600
3490	IO::AIO::aio_utime $runtime, undef, undef;	3601	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3491		3602
3492	my $guard = cf::lock_acquire "write_runtime";	3603	my $guard = cf::lock_acquire "write_runtime";
3493		3604
3494	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3605	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3495	or return;	3606	or return;
3496		3607
3497	my $value = $cf::RUNTIME + 90 + 10;	3608	my $value = $cf::RUNTIME + 90 + 10;
3498	# 10 is the runtime save interval, for a monotonic clock	3609	# 10 is the runtime save interval, for a monotonic clock
3499	# 60 allows for the watchdog to kill the server.	3610	# 60 allows for the watchdog to kill the server.
…		…
3509	aio_utime $fh, undef, undef;	3620	aio_utime $fh, undef, undef;
3510		3621
3511	close $fh	3622	close $fh
3512	or return;	3623	or return;
3513		3624
3514	aio_rename "$runtime~", $runtime	3625	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3515	and return;	3626	and return;
3516		3627
3517	warn "runtime file written.\n";	3628	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3518		3629
3519	1	3630	1
3520	}	3631	}
3521		3632
3522	our $uuid_lock;	3633	our $uuid_lock;
…		…
3531	my $uuid = "$LOCALDIR/uuid";	3642	my $uuid = "$LOCALDIR/uuid";
3532		3643
3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3644	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3534	or return;	3645	or return;
3535		3646
3536	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3647	my $value = uuid_seq uuid_cur;
		3648
		3649	unless ($value) {
		3650	warn "cowardly refusing to write zero uuid value!\n";
		3651	return;
		3652	}
		3653
		3654	my $value = uuid_str $value + $uuid_skip;
3537	$uuid_skip = 0;	3655	$uuid_skip = 0;
3538		3656
3539	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3657	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3540	and return;	3658	and return;
3541		3659
…		…
3563	}	3681	}
3564		3682
3565	sub emergency_save() {	3683	sub emergency_save() {
3566	my $freeze_guard = cf::freeze_mainloop;	3684	my $freeze_guard = cf::freeze_mainloop;
3567		3685
3568	warn "enter emergency perl save\n";	3686	warn "emergency_perl_save: enter\n";
3569		3687
3570	cf::sync_job {	3688	cf::sync_job {
		3689	# this is a trade-off: we want to be very quick here, so
		3690	# save all maps without fsync, and later call a global sync
		3691	# (which in turn might be very very slow)
		3692	local $USE_FSYNC = 0;
		3693
3571	# use a peculiar iteration method to avoid tripping on perl	3694	# use a peculiar iteration method to avoid tripping on perl
3572	# refcount bugs in for. also avoids problems with players	3695	# refcount bugs in for. also avoids problems with players
3573	# and maps saved/destroyed asynchronously.	3696	# and maps saved/destroyed asynchronously.
3574	warn "begin emergency player save\n";	3697	warn "emergency_perl_save: begin player save\n";
3575	for my $login (keys %cf::PLAYER) {	3698	for my $login (keys %cf::PLAYER) {
3576	my $pl = $cf::PLAYER{$login} or next;	3699	my $pl = $cf::PLAYER{$login} or next;
3577	$pl->valid or next;	3700	$pl->valid or next;
3578	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3701	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3579	$pl->save;	3702	$pl->save;
3580	}	3703	}
3581	warn "end emergency player save\n";	3704	warn "emergency_perl_save: end player save\n";
3582		3705
3583	warn "begin emergency map save\n";	3706	warn "emergency_perl_save: begin map save\n";
3584	for my $path (keys %cf::MAP) {	3707	for my $path (keys %cf::MAP) {
3585	my $map = $cf::MAP{$path} or next;	3708	my $map = $cf::MAP{$path} or next;
3586	$map->valid or next;	3709	$map->valid or next;
3587	$map->save;	3710	$map->save;
3588	}	3711	}
3589	warn "end emergency map save\n";	3712	warn "emergency_perl_save: end map save\n";
3590		3713
3591	warn "begin emergency database checkpoint\n";	3714	warn "emergency_perl_save: begin database checkpoint\n";
3592	BDB::db_env_txn_checkpoint $DB_ENV;	3715	BDB::db_env_txn_checkpoint $DB_ENV;
3593	warn "end emergency database checkpoint\n";	3716	warn "emergency_perl_save: end database checkpoint\n";
3594		3717
3595	warn "begin write uuid\n";	3718	warn "emergency_perl_save: begin write uuid\n";
3596	write_uuid_sync 1;	3719	write_uuid_sync 1;
3597	warn "end write uuid\n";	3720	warn "emergency_perl_save: end write uuid\n";
3598	};	3721	};
3599		3722
		3723	warn "emergency_perl_save: starting sync()\n";
		3724	IO::AIO::aio_sync sub {
		3725	warn "emergency_perl_save: finished sync()\n";
		3726	};
		3727
3600	warn "leave emergency perl save\n";	3728	warn "emergency_perl_save: leave\n";
3601	}	3729	}
3602		3730
3603	sub post_cleanup {	3731	sub post_cleanup {
3604	my ($make_core) = @_;	3732	my ($make_core) = @_;
3605		3733
3606	warn Carp::longmess "post_cleanup backtrace"	3734	warn Carp::longmess "post_cleanup backtrace"
3607	if $make_core;	3735	if $make_core;
		3736
		3737	my $fh = pidfile;
		3738	unlink $PIDFILE if <$fh> == $$;
3608	}	3739	}
3609		3740
3610	# a safer delete_package, copied from Symbol	3741	# a safer delete_package, copied from Symbol
3611	sub clear_package($) {	3742	sub clear_package($) {
3612	my $pkg = shift;	3743	my $pkg = shift;
…		…
3628	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3759	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3629	for my $name (keys %$leaf_symtab) {	3760	for my $name (keys %$leaf_symtab) {
3630	_gv_clear *{"$pkg$name"};	3761	_gv_clear *{"$pkg$name"};
3631	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3762	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3632	}	3763	}
3633	warn "cleared package #$pkg\n";#d#	3764	warn "cleared package $pkg\n";#d#
3634	}	3765	}
3635
3636	our $RELOAD; # how many times to reload
3637		3766
3638	sub do_reload_perl() {	3767	sub do_reload_perl() {
3639	# can/must only be called in main	3768	# can/must only be called in main
3640	if ($Coro::current != $Coro::main) {	3769	if ($Coro::current != $Coro::main) {
3641	warn "can only reload from main coroutine";	3770	warn "can only reload from main coroutine";
3642	return;	3771	return;
3643	}	3772	}
3644		3773
3645	return if $RELOAD++;	3774	return if $RELOAD++;
		3775
		3776	my $t1 = AE::time;
3646		3777
3647	while ($RELOAD) {	3778	while ($RELOAD) {
3648	warn "reloading...";	3779	warn "reloading...";
3649		3780
3650	warn "entering sync_job";	3781	warn "entering sync_job";
…		…
3711	clear_package "safe::$_"	3842	clear_package "safe::$_"
3712	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3843	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3713		3844
3714	warn "unloading cf.pm \"a bit\"";	3845	warn "unloading cf.pm \"a bit\"";
3715	delete $INC{"cf.pm"};	3846	delete $INC{"cf.pm"};
3716	delete $INC{"cf/pod.pm"};	3847	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3717		3848
3718	# don't, removes xs symbols, too,	3849	# don't, removes xs symbols, too,
3719	# and global variables created in xs	3850	# and global variables created in xs
3720	#clear_package __PACKAGE__;	3851	#clear_package __PACKAGE__;
3721		3852
3722	warn "unload completed, starting to reload now";	3853	warn "unload completed, starting to reload now";
3723		3854
3724	warn "reloading cf.pm";	3855	warn "reloading cf.pm";
3725	require cf;	3856	require cf;
3726	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3857	cf::_connect_to_perl_1;
3727		3858
3728	warn "loading config and database again";	3859	warn "loading config and database again";
3729	cf::reload_config;	3860	cf::reload_config;
3730		3861
3731	warn "loading extensions";	3862	warn "loading extensions";
3732	cf::load_extensions;	3863	cf::load_extensions;
3733		3864
		3865	if ($REATTACH_ON_RELOAD) {
3734	warn "reattaching attachments to objects/players";	3866	warn "reattaching attachments to objects/players";
3735	_global_reattach; # objects, sockets	3867	_global_reattach; # objects, sockets
3736	warn "reattaching attachments to maps";	3868	warn "reattaching attachments to maps";
3737	reattach $_ for values %MAP;	3869	reattach $_ for values %MAP;
3738	warn "reattaching attachments to players";	3870	warn "reattaching attachments to players";
3739	reattach $_ for values %PLAYER;	3871	reattach $_ for values %PLAYER;
		3872	}
		3873
		3874	warn "running post_init jobs";
		3875	(pop @POST_INIT)->(1) while @POST_INIT;
3740		3876
3741	warn "leaving sync_job";	3877	warn "leaving sync_job";
3742		3878
3743	1	3879	1
3744	} or do {	3880	} or do {
…		…
3747	};	3883	};
3748		3884
3749	warn "reloaded";	3885	warn "reloaded";
3750	--$RELOAD;	3886	--$RELOAD;
3751	}	3887	}
		3888
		3889	$t1 = AE::time - $t1;
		3890	warn "reload completed in ${t1}s\n";
3752	};	3891	};
3753		3892
3754	our $RELOAD_WATCHER; # used only during reload	3893	our $RELOAD_WATCHER; # used only during reload
3755		3894
3756	sub reload_perl() {	3895	sub reload_perl() {
3757	# doing reload synchronously and two reloads happen back-to-back,	3896	# doing reload synchronously and two reloads happen back-to-back,
3758	# coro crashes during coro_state_free->destroy here.	3897	# coro crashes during coro_state_free->destroy here.
3759		3898
		3899	$RELOAD_WATCHER ||= cf::async {
		3900	Coro::AIO::aio_wait cache_extensions;
		3901
3760	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3902	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3761	do_reload_perl;	3903	do_reload_perl;
3762	undef $RELOAD_WATCHER;	3904	undef $RELOAD_WATCHER;
		3905	};
3763	};	3906	};
3764	}	3907	}
3765		3908
3766	register_command "reload" => sub {	3909	register_command "reload" => sub {
3767	my ($who, $arg) = @_;	3910	my ($who, $arg) = @_;
…		…
3781		3924
3782	our @WAIT_FOR_TICK;	3925	our @WAIT_FOR_TICK;
3783	our @WAIT_FOR_TICK_BEGIN;	3926	our @WAIT_FOR_TICK_BEGIN;
3784		3927
3785	sub wait_for_tick {	3928	sub wait_for_tick {
3786	return if tick_inhibit || $Coro::current == $Coro::main;	3929	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3787		3930
3788	my $signal = new Coro::Signal;	3931	my $signal = new Coro::Signal;
3789	push @WAIT_FOR_TICK, $signal;	3932	push @WAIT_FOR_TICK, $signal;
3790	$signal->wait;	3933	$signal->wait;
3791	}	3934	}
3792		3935
3793	sub wait_for_tick_begin {	3936	sub wait_for_tick_begin {
3794	return if tick_inhibit || $Coro::current == $Coro::main;	3937	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3795		3938
3796	my $signal = new Coro::Signal;	3939	my $signal = new Coro::Signal;
3797	push @WAIT_FOR_TICK_BEGIN, $signal;	3940	push @WAIT_FOR_TICK_BEGIN, $signal;
3798	$signal->wait;	3941	$signal->wait;
3799	}	3942	}
…		…
3804	unless ++$bug_warning > 10;	3947	unless ++$bug_warning > 10;
3805	return;	3948	return;
3806	}	3949	}
3807		3950
3808	cf::server_tick; # one server iteration	3951	cf::server_tick; # one server iteration
		3952
		3953	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3809		3954
3810	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3955	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3811	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3956	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3812	Coro::async_pool {	3957	Coro::async_pool {
3813	$Coro::current->{desc} = "runtime saver";	3958	$Coro::current->{desc} = "runtime saver";
…		…
3836	}	3981	}
3837		3982
3838	{	3983	{
3839	# configure BDB	3984	# configure BDB
3840		3985
3841	BDB::min_parallel 8;	3986	BDB::min_parallel 16;
3842	BDB::max_poll_reqs $TICK * 0.1;	3987	BDB::max_poll_reqs $TICK * 0.1;
3843	$AnyEvent::BDB::WATCHER->priority (1);	3988	$AnyEvent::BDB::WATCHER->priority (1);
3844		3989
3845	unless ($DB_ENV) {	3990	unless ($DB_ENV) {
3846	$DB_ENV = BDB::db_env_create;	3991	$DB_ENV = BDB::db_env_create;
…		…
3893	$msg =~ s/\n//;	4038	$msg =~ s/\n//;
3894		4039
3895	# limit the # of concurrent backtraces	4040	# limit the # of concurrent backtraces
3896	if ($_log_backtrace < 2) {	4041	if ($_log_backtrace < 2) {
3897	++$_log_backtrace;	4042	++$_log_backtrace;
		4043	my $perl_bt = Carp::longmess $msg;
3898	async {	4044	async {
3899	$Coro::current->{desc} = "abt $msg";	4045	$Coro::current->{desc} = "abt $msg";
3900		4046
3901	my @bt = fork_call {	4047	my @bt = fork_call {
3902	@addr = map { sprintf "%x", $_ } @addr;	4048	@addr = map { sprintf "%x", $_ } @addr;
…		…
3913	}	4059	}
3914		4060
3915	@funcs	4061	@funcs
3916	};	4062	};
3917		4063
3918	LOG llevInfo, "[ABT] $msg\n";	4064	LOG llevInfo, "[ABT] $perl_bt\n";
		4065	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3919	LOG llevInfo, "[ABT] $_\n" for @bt;	4066	LOG llevInfo, "[ABT] $_\n" for @bt;
3920	--$_log_backtrace;	4067	--$_log_backtrace;
3921	};	4068	};
3922	} else {	4069	} else {
3923	LOG llevInfo, "[ABT] $msg\n";	4070	LOG llevInfo, "[ABT] $msg\n";
3924	LOG llevInfo, "[ABT] [suppressed]\n";	4071	LOG llevInfo, "[ABT] [suppressed]\n";
3925	}	4072	}
3926	}	4073	}
3927		4074
3928	# load additional modules	4075	# load additional modules
3929	use cf::pod;	4076	require "cf/$_.pm" for @EXTRA_MODULES;
		4077	cf::_connect_to_perl_2;
3930		4078
3931	END { cf::emergency_save }	4079	END { cf::emergency_save }
3932		4080
3933	1	4081	1
3934		4082

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