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Revision 1.441 by root, Sat Aug 30 05:19:03 2008 UTC vs.
Revision 1.511 by root, Wed Apr 7 18:35:56 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;
…		…
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
…		…
1523	my ($pl) = @_;	1604	my ($pl) = @_;
1524		1605
1525	my $name = $pl->ob->name;	1606	my $name = $pl->ob->name;
1526		1607
1527	$pl->{deny_save} = 1;	1608	$pl->{deny_save} = 1;
1528	$pl->password ("*"); # this should lock out the player until we nuked the dir	1609	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1529		1610
1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1611	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1531	$pl->deactivate;	1612	$pl->deactivate;
1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1613	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533	$pl->ob->check_score;	1614	$pl->ob->check_score;
…		…
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	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		1708
1717	=item $player->ext_reply ($msgid, @msg)	1709	=item $player->ext_reply ($msgid, @msg)
1718		1710
1719	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1720		1712
…		…
1793	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
1794		1786
1795	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1796	$self->_create_random_map (	1788	$self->_create_random_map (
1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1799	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1800	$rmp->{exit_on_final_map},	1792	$rmp->{exit_on_final_map},
1801	$rmp->{xsize}, $rmp->{ysize},	1793	$rmp->{xsize}, $rmp->{ysize},
1802	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1803	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1933		1925
1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1935	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1936	}	1928	}
1937		1929
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 $_->outdoor, values %cf::MAP;
1945	}
1946
1947	sub decay_objects {	1930	sub decay_objects {
1948	my ($self) = @_;	1931	my ($self) = @_;
1949		1932
1950	return if $self->{deny_reset};	1933	return if $self->{deny_reset};
1951		1934
…		…
2033	sub find {	2016	sub find {
2034	my ($path, $origin) = @_;	2017	my ($path, $origin) = @_;
2035		2018
2036	$path = normalise $path, $origin && $origin->path;	2019	$path = normalise $path, $origin && $origin->path;
2037		2020
2038	cf::lock_wait "map_data:$path";#d#remove	2021	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2039	cf::lock_wait "map_find:$path";	2022	my $guard2 = cf::lock_acquire "map_find:$path";
2040		2023
2041	$cf::MAP{$path} || do {	2024	$cf::MAP{$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	2025	my $map = new_from_path cf::map $path
2046	or return;	2026	or return;
2047		2027
2048	$map->{last_save} = $cf::RUNTIME;	2028	$map->{last_save} = $cf::RUNTIME;
2049		2029
…		…
2061		2041
2062	$cf::MAP{$path} = $map	2042	$cf::MAP{$path} = $map
2063	}	2043	}
2064	}	2044	}
2065		2045
2066	sub pre_load { }	2046	sub pre_load { }
2067	sub post_load { }	2047	#sub post_load { } # XS
2068		2048
2069	sub load {	2049	sub load {
2070	my ($self) = @_;	2050	my ($self) = @_;
2071		2051
2072	local $self->{deny_reset} = 1; # loading can take a long time	2052	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2117	unless ($self->{deny_activate}) {	2097	unless ($self->{deny_activate}) {
2118	$self->decay_objects;	2098	$self->decay_objects;
2119	$self->fix_auto_apply;	2099	$self->fix_auto_apply;
2120	$self->update_buttons;	2100	$self->update_buttons;
2121	cf::cede_to_tick;	2101	cf::cede_to_tick;
2122	$self->set_darkness_map;
2123	cf::cede_to_tick;
2124	$self->activate;	2102	$self->activate;
2125	}	2103	}
2126		2104
2127	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
2128	$self->last_access ($cf::RUNTIME);	2106	$self->last_access ($cf::RUNTIME);
…		…
2131	}	2109	}
2132		2110
2133	$self->post_load;	2111	$self->post_load;
2134	}	2112	}
2135		2113
		2114	# customize the map for a given player, i.e.
		2115	# return the _real_ map. used by e.g. per-player
		2116	# maps to change the path to ~playername/mappath
2136	sub customise_for {	2117	sub customise_for {
2137	my ($self, $ob) = @_;	2118	my ($self, $ob) = @_;
2138		2119
2139	return find "~" . $ob->name . "/" . $self->{path}	2120	return find "~" . $ob->name . "/" . $self->{path}
2140	if $self->per_player;	2121	if $self->per_player;
…		…
2294		2275
2295	my $lock = cf::lock_acquire "map_data:$self->{path}";	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
2296		2277
2297	return if $self->players;	2278	return if $self->players;
2298		2279
2299	warn "resetting map ", $self->path;	2280	warn "resetting map ", $self->path, "\n";
2300		2281
2301	$self->in_memory (cf::MAP_SWAPPED);	2282	$self->in_memory (cf::MAP_SWAPPED);
2302		2283
2303	# need to save uniques path	2284	# need to save uniques path
2304	unless ($self->{deny_save}) {	2285	unless ($self->{deny_save}) {
…		…
2395	: normalise $_	2376	: normalise $_
2396	} @{ aio_readdir $UNIQUEDIR or [] }	2377	} @{ aio_readdir $UNIQUEDIR or [] }
2397	]	2378	]
2398	}	2379	}
2399		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
2400	=back	2413	=back
2401		2414
2402	=head3 cf::object	2415	=head3 cf::object
2403		2416
2404	=cut	2417	=cut
…		…
2469		2482
2470	our $SAY_CHANNEL = {	2483	our $SAY_CHANNEL = {
2471	id => "say",	2484	id => "say",
2472	title => "Map",	2485	title => "Map",
2473	reply => "say ",	2486	reply => "say ",
2474	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.",
2475	};	2488	};
2476		2489
2477	our $CHAT_CHANNEL = {	2490	our $CHAT_CHANNEL = {
2478	id => "chat",	2491	id => "chat",
2479	title => "Chat",	2492	title => "Chat",
…		…
2534		2547
2535	=item $player_object->enter_link	2548	=item $player_object->enter_link
2536		2549
2537	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}>).
2538		2551
2539	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.
2540	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.
2541		2556
2542	Will never block.	2557	Will never block.
2543		2558
2544	=item $player_object->leave_link ($map, $x, $y)	2559	=item $player_object->leave_link ($map, $x, $y)
2545		2560
…		…
2597	($x, $y) = (-1, -1)	2612	($x, $y) = (-1, -1)
2598	unless (defined $x) && (defined $y);	2613	unless (defined $x) && (defined $y);
2599		2614
2600	# use -1 or undef as default coordinates, not 0, 0	2615	# use -1 or undef as default coordinates, not 0, 0
2601	($x, $y) = ($map->enter_x, $map->enter_y)	2616	($x, $y) = ($map->enter_x, $map->enter_y)
2602	if $x <=0 && $y <= 0;	2617	if $x <= 0 && $y <= 0;
2603		2618
2604	$map->load;	2619	$map->load;
2605	$map->load_neighbours;	2620	$map->load_neighbours;
2606		2621
2607	return unless $self->contr->active;	2622	return unless $self->contr->active;
2608	$self->activate_recursive;
2609		2623
2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2624	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2611	$self->enter_map ($map, $x, $y);	2625	$self->enter_map ($map, $x, $y);
		2626
		2627	# only activate afterwards, to support waiting in hooks
		2628	$self->activate_recursive;
2612	}	2629	}
2613		2630
2614	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2631	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2615		2632
2616	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
…		…
2775	$self->contr->savebed ($map, $x, $y)	2792	$self->contr->savebed ($map, $x, $y)
2776	if $exit->flag (cf::FLAG_DAMNED);	2793	if $exit->flag (cf::FLAG_DAMNED);
2777		2794
2778	1	2795	1
2779	}) {	2796	}) {
2780	$self->message ("Something went wrong deep within the crossfire server. "	2797	$self->message ("Something went wrong deep within the deliantra server. "
2781	. "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. "
2782	. "Please report this to the dungeon master!",	2799	. "Please report this to the dungeon master!",
2783	cf::NDI_UNIQUE | cf::NDI_RED);	2800	cf::NDI_UNIQUE | cf::NDI_RED);
2784		2801
2785	warn "ERROR in enter_exit: $@";	2802	warn "ERROR in enter_exit: $@";
…		…
2802	sub cf::client::send_drawinfo {	2819	sub cf::client::send_drawinfo {
2803	my ($self, $text, $flags) = @_;	2820	my ($self, $text, $flags) = @_;
2804		2821
2805	utf8::encode $text;	2822	utf8::encode $text;
2806	$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);
2807	}	2849	}
2808		2850
2809	=item $client->send_msg ($channel, $msg, $color, [extra...])	2851	=item $client->send_msg ($channel, $msg, $color, [extra...])
2810		2852
2811	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
…		…
2815		2857
2816	=cut	2858	=cut
2817		2859
2818	# non-persistent channels (usually the info channel)	2860	# non-persistent channels (usually the info channel)
2819	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	},
2820	"c/identify" => {	2868	"c/identify" => {
2821	id => "infobox",	2869	id => "infobox",
2822	title => "Identify",	2870	title => "Identify",
2823	reply => undef,	2871	reply => undef,
2824	tooltip => "Items recently identified",	2872	tooltip => "Items recently identified",
…		…
2826	"c/examine" => {	2874	"c/examine" => {
2827	id => "infobox",	2875	id => "infobox",
2828	title => "Examine",	2876	title => "Examine",
2829	reply => undef,	2877	reply => undef,
2830	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",
2831	},	2885	},
2832	"c/book" => {	2886	"c/book" => {
2833	id => "infobox",	2887	id => "infobox",
2834	title => "Book",	2888	title => "Book",
2835	reply => undef,	2889	reply => undef,
…		…
2851	id => "infobox",	2905	id => "infobox",
2852	title => "Body Parts",	2906	title => "Body Parts",
2853	reply => undef,	2907	reply => undef,
2854	tooltip => "Shows which body parts you posess and are available",	2908	tooltip => "Shows which body parts you posess and are available",
2855	},	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	},
2856	"c/uptime" => {	2946	"c/uptime" => {
2857	id => "infobox",	2947	id => "infobox",
2858	title => "Uptime",	2948	title => "Uptime",
2859	reply => undef,	2949	reply => undef,
2860	tooltip => "How long the server has been running since last restart",	2950	tooltip => "How long the server has been running since last restart",
…		…
2869	id => "party",	2959	id => "party",
2870	title => "Party",	2960	title => "Party",
2871	reply => "gsay ",	2961	reply => "gsay ",
2872	tooltip => "Messages and chat related to your party",	2962	tooltip => "Messages and chat related to your party",
2873	},	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" => $CHAT_CHANNEL,
2874	);	2972	);
2875		2973
2876	sub cf::client::send_msg {	2974	sub cf::client::send_msg {
2877	my ($self, $channel, $msg, $color, @extra) = @_;	2975	my ($self, $channel, $msg, $color, @extra) = @_;
2878		2976
2879	$msg = $self->pl->expand_cfpod ($msg);	2977	$msg = $self->pl->expand_cfpod ($msg)
		2978	unless $color & cf::NDI_VERBATIM;
2880		2979
2881	$color &= cf::NDI_CLIENT_MASK; # just in case...	2980	$color &= cf::NDI_CLIENT_MASK; # just in case...
2882		2981
2883	# check predefined channels, for the benefit of C	2982	# check predefined channels, for the benefit of C
2884	if ($CHANNEL{$channel}) {	2983	if ($CHANNEL{$channel}) {
2885	$channel = $CHANNEL{$channel};	2984	$channel = $CHANNEL{$channel};
2886		2985
2887	$self->ext_msg (channel_info => $channel)	2986	$self->ext_msg (channel_info => $channel);
2888	if $self->can_msg;
2889
2890	$channel = $channel->{id};	2987	$channel = $channel->{id};
2891		2988
2892	} elsif (ref $channel) {	2989	} elsif (ref $channel) {
2893	# send meta info to client, if not yet sent	2990	# send meta info to client, if not yet sent
2894	unless (exists $self->{channel}{$channel->{id}}) {	2991	unless (exists $self->{channel}{$channel->{id}}) {
2895	$self->{channel}{$channel->{id}} = $channel;	2992	$self->{channel}{$channel->{id}} = $channel;
2896	$self->ext_msg (channel_info => $channel)	2993	$self->ext_msg (channel_info => $channel);
2897	if $self->can_msg;
2898	}	2994	}
2899		2995
2900	$channel = $channel->{id};	2996	$channel = $channel->{id};
2901	}	2997	}
2902		2998
2903	return unless @extra || length $msg;	2999	return unless @extra || length $msg;
2904		3000
2905	if ($self->can_msg) {
2906	# default colour, mask it out	3001	# default colour, mask it out
2907	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3002	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2908	if $color & cf::NDI_DEF;	3003	if $color & cf::NDI_DEF;
2909		3004
2910	$self->send_packet ("msg " . $self->{json_coder}->encode (	3005	my $pkt = "msg "
		3006	. $self->{json_coder}->encode (
2911	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3007	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2912	} else {	3008	);
2913	if ($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		3009
2924	$color &= cf::NDI_COLOR_MASK;	3010	$self->send_big_packet ($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	}	3011	}
2938		3012
2939	=item $client->ext_msg ($type, @msg)	3013	=item $client->ext_msg ($type, @msg)
2940		3014
2941	Sends an ext event to the client.	3015	Sends an ext event to the client.
…		…
2944		3018
2945	sub cf::client::ext_msg($$@) {	3019	sub cf::client::ext_msg($$@) {
2946	my ($self, $type, @msg) = @_;	3020	my ($self, $type, @msg) = @_;
2947		3021
2948	if ($self->extcmd == 2) {	3022	if ($self->extcmd == 2) {
2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3023	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2950	} elsif ($self->extcmd == 1) { # TODO: remove	3024	} elsif ($self->extcmd == 1) { # TODO: remove
2951	push @msg, msgtype => "event_$type";	3025	push @msg, msgtype => "event_$type";
2952	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2953	}	3027	}
2954	}	3028	}
2955		3029
2956	=item $client->ext_reply ($msgid, @msg)	3030	=item $client->ext_reply ($msgid, @msg)
2957		3031
…		…
2961		3035
2962	sub cf::client::ext_reply($$@) {	3036	sub cf::client::ext_reply($$@) {
2963	my ($self, $id, @msg) = @_;	3037	my ($self, $id, @msg) = @_;
2964		3038
2965	if ($self->extcmd == 2) {	3039	if ($self->extcmd == 2) {
2966	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2967	} elsif ($self->extcmd == 1) {	3041	} elsif ($self->extcmd == 1) {
2968	#TODO: version 1, remove	3042	#TODO: version 1, remove
2969	unshift @msg, msgtype => "reply", msgid => $id;	3043	unshift @msg, msgtype => "reply", msgid => $id;
2970	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3044	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2971	}	3045	}
2972	}	3046	}
2973		3047
2974	=item $success = $client->query ($flags, "text", \&cb)	3048	=item $success = $client->query ($flags, "text", \&cb)
2975		3049
…		…
3076		3150
3077	$coro	3151	$coro
3078	}	3152	}
3079		3153
3080	cf::client->attach (	3154	cf::client->attach (
3081	on_destroy => sub {	3155	on_client_destroy => sub {
3082	my ($ns) = @_;	3156	my ($ns) = @_;
3083		3157
3084	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3158	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3085	},	3159	},
3086	);	3160	);
…		…
3102	our $safe_hole = new Safe::Hole;	3176	our $safe_hole = new Safe::Hole;
3103		3177
3104	$SIG{FPE} = 'IGNORE';	3178	$SIG{FPE} = 'IGNORE';
3105		3179
3106	$safe->permit_only (Opcode::opset qw(	3180	$safe->permit_only (Opcode::opset qw(
3107	:base_core :base_mem :base_orig :base_math	3181	:base_core :base_mem :base_orig :base_math :base_loop
3108	grepstart grepwhile mapstart mapwhile	3182	grepstart grepwhile mapstart mapwhile
3109	sort time	3183	sort time
3110	));	3184	));
3111		3185
3112	# here we export the classes and methods available to script code	3186	# here we export the classes and methods available to script code
…		…
3116	The following functions and methods are available within a safe environment:	3190	The following functions and methods are available within a safe environment:
3117		3191
3118	cf::object	3192	cf::object
3119	contr pay_amount pay_player map x y force_find force_add destroy	3193	contr pay_amount pay_player map x y force_find force_add destroy
3120	insert remove name archname title slaying race decrease split	3194	insert remove name archname title slaying race decrease split
		3195	value
3121		3196
3122	cf::object::player	3197	cf::object::player
3123	player	3198	player
3124		3199
3125	cf::player	3200	cf::player
…		…
3131	=cut	3206	=cut
3132		3207
3133	for (	3208	for (
3134	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3209	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3135	insert remove inv nrof name archname title slaying race	3210	insert remove inv nrof name archname title slaying race
3136	decrease split destroy change_exp)],	3211	decrease split destroy change_exp value msg lore send_msg)],
3137	["cf::object::player" => qw(player)],	3212	["cf::object::player" => qw(player)],
3138	["cf::player" => qw(peaceful)],	3213	["cf::player" => qw(peaceful send_msg)],
3139	["cf::map" => qw(trigger)],	3214	["cf::map" => qw(trigger)],
3140	) {	3215	) {
3141	no strict 'refs';	3216	no strict 'refs';
3142	my ($pkg, @funs) = @$_;	3217	my ($pkg, @funs) = @$_;
3143	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3218	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3161		3236
3162	my $qcode = $code;	3237	my $qcode = $code;
3163	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3238	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3164	$qcode =~ s/\n/\\n/g;	3239	$qcode =~ s/\n/\\n/g;
3165		3240
		3241	%vars = (_dummy => 0) unless %vars;
		3242
		3243	my @res;
3166	local $_;	3244	local $_;
3167	local @safe::cf::_safe_eval_args = values %vars;
3168		3245
3169	my $eval =	3246	my $eval =
3170	"do {\n"	3247	"do {\n"
3171	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3248	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3172	. "#line 0 \"{$qcode}\"\n"	3249	. "#line 0 \"{$qcode}\"\n"
3173	. $code	3250	. $code
3174	. "\n}"	3251	. "\n}"
3175	;	3252	;
3176		3253
		3254	if ($CFG{safe_eval}) {
3177	sub_generation_inc;	3255	sub_generation_inc;
		3256	local @safe::cf::_safe_eval_args = values %vars;
3178	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3257	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3179	sub_generation_inc;	3258	sub_generation_inc;
		3259	} else {
		3260	local @cf::_safe_eval_args = values %vars;
		3261	@res = wantarray ? eval eval : scalar eval $eval;
		3262	}
3180		3263
3181	if ($@) {	3264	if ($@) {
3182	warn "$@";	3265	warn "$@";
3183	warn "while executing safe code '$code'\n";	3266	warn "while executing safe code '$code'\n";
3184	warn "with arguments " . (join " ", %vars) . "\n";	3267	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3203	=cut	3286	=cut
3204		3287
3205	sub register_script_function {	3288	sub register_script_function {
3206	my ($fun, $cb) = @_;	3289	my ($fun, $cb) = @_;
3207		3290
3208	no strict 'refs';	3291	$fun = "safe::$fun" if $CFG{safe_eval};
3209	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3292	*$fun = $safe_hole->wrap ($cb);
3210	}	3293	}
3211		3294
3212	=back	3295	=back
3213		3296
3214	=cut	3297	=cut
…		…
3235		3318
3236	$facedata->{version} == 2	3319	$facedata->{version} == 2
3237	or cf::cleanup "$path: version mismatch, cannot proceed.";	3320	or cf::cleanup "$path: version mismatch, cannot proceed.";
3238		3321
3239	# 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]);
3240	$facedata->{resource}{"res/exp_table"} = {	3324	$facedata->{resource}{"res/exp_table"} = {
3241	type => FT_RSRC,	3325	type => FT_RSRC,
3242	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),
3243	};	3328	};
3244	cf::cede_to_tick;	3329	cf::cede_to_tick;
3245		3330
3246	{	3331	{
3247	my $faces = $facedata->{faceinfo};	3332	my $faces = $facedata->{faceinfo};
…		…
3249	while (my ($face, $info) = each %$faces) {	3334	while (my ($face, $info) = each %$faces) {
3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3335	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3251		3336
3252	cf::face::set_visibility $idx, $info->{visibility};	3337	cf::face::set_visibility $idx, $info->{visibility};
3253	cf::face::set_magicmap $idx, $info->{magicmap};	3338	cf::face::set_magicmap $idx, $info->{magicmap};
3254	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3339	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3255	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3340	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3256		3341
3257	cf::cede_to_tick;	3342	cf::cede_to_tick;
3258	}	3343	}
3259		3344
3260	while (my ($face, $info) = each %$faces) {	3345	while (my ($face, $info) = each %$faces) {
…		…
3284		3369
3285	cf::anim::invalidate_all; # d'oh	3370	cf::anim::invalidate_all; # d'oh
3286	}	3371	}
3287		3372
3288	{	3373	{
3289	# TODO: for gcfclient pleasure, we should give resources
3290	# that gcfclient doesn't grok a >10000 face index.
3291	my $res = $facedata->{resource};	3374	my $res = $facedata->{resource};
3292		3375
3293	while (my ($name, $info) = each %$res) {	3376	while (my ($name, $info) = each %$res) {
3294	if (defined $info->{type}) {	3377	if (defined $info->{type}) {
3295	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3378	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3296	my $data;
3297		3379
3298	if ($info->{type} & 1) {	3380	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};	3381	cf::face::set_type $idx, $info->{type};
3313	} else {	3382	} else {
3314	$RESOURCE{$name} = $info;	3383	$RESOURCE{$name} = $info;
3315	}	3384	}
3316		3385
…		…
3399	reload_treasures;	3468	reload_treasures;
3400		3469
3401	warn "finished reloading resource files\n";	3470	warn "finished reloading resource files\n";
3402	}	3471	}
3403		3472
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 {	3473	sub reload_config {
		3474	warn "reloading config file...\n";
		3475
3413	open my $fh, "<:utf8", "$CONFDIR/config"	3476	open my $fh, "<:utf8", "$CONFDIR/config"
3414	or return;	3477	or return;
3415		3478
3416	local $/;	3479	local $/;
3417	*CFG = YAML::Load <$fh>;	3480	*CFG = YAML::XS::Load scalar <$fh>;
3418		3481
3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3482	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3420		3483
3421	$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};
3422	$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};
…		…
3426	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3489	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3427	and die "WARNING: m(un)lockall failed: $!\n";	3490	and die "WARNING: m(un)lockall failed: $!\n";
3428	};	3491	};
3429	warn $@ if $@;	3492	warn $@ if $@;
3430	}	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;
3431	}	3524	}
3432		3525
3433	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
3434	# we must not ever block the main coroutine	3541	# we must not ever block the main coroutine
3435	local $Coro::idle = sub {	3542	local $Coro::idle = sub {
3436	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#
3437	(async {	3544	(async {
3438	$Coro::current->{desc} = "IDLE BUG HANDLER";	3545	$Coro::current->{desc} = "IDLE BUG HANDLER";
3439	EV::loop EV::LOOP_ONESHOT;	3546	EV::loop EV::LOOP_ONESHOT;
3440	})->prio (Coro::PRIO_MAX);	3547	})->prio (Coro::PRIO_MAX);
3441	};	3548	};
3442		3549
3443	{	3550	evthread_start IO::AIO::poll_fileno;
3444	my $guard = freeze_mainloop;	3551
		3552	cf::sync_job {
		3553	cf::load_settings;
		3554	cf::load_materials;
		3555
		3556	reload_resources;
3445	reload_config;	3557	reload_config;
3446	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
3447	load_extensions;	3568	load_extensions;
3448		3569
3449	$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;
3450	}	3577	};
3451		3578
3452	EV::loop;	3579	main_loop;
3453	}	3580	}
3454		3581
3455	#############################################################################	3582	#############################################################################
3456	# initialisation and cleanup	3583	# initialisation and cleanup
3457		3584
…		…
3464	};	3591	};
3465	}	3592	}
3466	}	3593	}
3467		3594
3468	sub write_runtime_sync {	3595	sub write_runtime_sync {
3469	my $runtime = "$LOCALDIR/runtime";	3596	my $t0 = EV::time;
3470		3597
3471	# first touch the runtime file to show we are still running:	3598	# first touch the runtime file to show we are still running:
3472	# the fsync below can take a very very long time.	3599	# the fsync below can take a very very long time.
3473		3600
3474	IO::AIO::aio_utime $runtime, undef, undef;	3601	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3475		3602
3476	my $guard = cf::lock_acquire "write_runtime";	3603	my $guard = cf::lock_acquire "write_runtime";
3477		3604
3478	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3605	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3479	or return;	3606	or return;
3480		3607
3481	my $value = $cf::RUNTIME + 90 + 10;	3608	my $value = $cf::RUNTIME + 90 + 10;
3482	# 10 is the runtime save interval, for a monotonic clock	3609	# 10 is the runtime save interval, for a monotonic clock
3483	# 60 allows for the watchdog to kill the server.	3610	# 60 allows for the watchdog to kill the server.
…		…
3493	aio_utime $fh, undef, undef;	3620	aio_utime $fh, undef, undef;
3494		3621
3495	close $fh	3622	close $fh
3496	or return;	3623	or return;
3497		3624
3498	aio_rename "$runtime~", $runtime	3625	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3499	and return;	3626	and return;
3500		3627
3501	warn "runtime file written.\n";	3628	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3502		3629
3503	1	3630	1
3504	}	3631	}
3505		3632
3506	our $uuid_lock;	3633	our $uuid_lock;
…		…
3515	my $uuid = "$LOCALDIR/uuid";	3642	my $uuid = "$LOCALDIR/uuid";
3516		3643
3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3644	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3518	or return;	3645	or return;
3519		3646
3520	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;
3521	$uuid_skip = 0;	3655	$uuid_skip = 0;
3522		3656
3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3657	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3524	and return;	3658	and return;
3525		3659
…		…
3547	}	3681	}
3548		3682
3549	sub emergency_save() {	3683	sub emergency_save() {
3550	my $freeze_guard = cf::freeze_mainloop;	3684	my $freeze_guard = cf::freeze_mainloop;
3551		3685
3552	warn "enter emergency perl save\n";	3686	warn "emergency_perl_save: enter\n";
3553		3687
3554	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
3555	# use a peculiar iteration method to avoid tripping on perl	3694	# use a peculiar iteration method to avoid tripping on perl
3556	# refcount bugs in for. also avoids problems with players	3695	# refcount bugs in for. also avoids problems with players
3557	# and maps saved/destroyed asynchronously.	3696	# and maps saved/destroyed asynchronously.
3558	warn "begin emergency player save\n";	3697	warn "emergency_perl_save: begin player save\n";
3559	for my $login (keys %cf::PLAYER) {	3698	for my $login (keys %cf::PLAYER) {
3560	my $pl = $cf::PLAYER{$login} or next;	3699	my $pl = $cf::PLAYER{$login} or next;
3561	$pl->valid or next;	3700	$pl->valid or next;
3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3701	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3563	$pl->save;	3702	$pl->save;
3564	}	3703	}
3565	warn "end emergency player save\n";	3704	warn "emergency_perl_save: end player save\n";
3566		3705
3567	warn "begin emergency map save\n";	3706	warn "emergency_perl_save: begin map save\n";
3568	for my $path (keys %cf::MAP) {	3707	for my $path (keys %cf::MAP) {
3569	my $map = $cf::MAP{$path} or next;	3708	my $map = $cf::MAP{$path} or next;
3570	$map->valid or next;	3709	$map->valid or next;
3571	$map->save;	3710	$map->save;
3572	}	3711	}
3573	warn "end emergency map save\n";	3712	warn "emergency_perl_save: end map save\n";
3574		3713
3575	warn "begin emergency database checkpoint\n";	3714	warn "emergency_perl_save: begin database checkpoint\n";
3576	BDB::db_env_txn_checkpoint $DB_ENV;	3715	BDB::db_env_txn_checkpoint $DB_ENV;
3577	warn "end emergency database checkpoint\n";	3716	warn "emergency_perl_save: end database checkpoint\n";
3578		3717
3579	warn "begin write uuid\n";	3718	warn "emergency_perl_save: begin write uuid\n";
3580	write_uuid_sync 1;	3719	write_uuid_sync 1;
3581	warn "end write uuid\n";	3720	warn "emergency_perl_save: end write uuid\n";
3582	};	3721	};
3583		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
3584	warn "leave emergency perl save\n";	3728	warn "emergency_perl_save: leave\n";
3585	}	3729	}
3586		3730
3587	sub post_cleanup {	3731	sub post_cleanup {
3588	my ($make_core) = @_;	3732	my ($make_core) = @_;
3589		3733
3590	warn Carp::longmess "post_cleanup backtrace"	3734	warn Carp::longmess "post_cleanup backtrace"
3591	if $make_core;	3735	if $make_core;
		3736
		3737	my $fh = pidfile;
		3738	unlink $PIDFILE if <$fh> == $$;
3592	}	3739	}
3593		3740
3594	# a safer delete_package, copied from Symbol	3741	# a safer delete_package, copied from Symbol
3595	sub clear_package($) {	3742	sub clear_package($) {
3596	my $pkg = shift;	3743	my $pkg = shift;
…		…
3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3759	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3613	for my $name (keys %$leaf_symtab) {	3760	for my $name (keys %$leaf_symtab) {
3614	_gv_clear *{"$pkg$name"};	3761	_gv_clear *{"$pkg$name"};
3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3762	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3616	}	3763	}
3617	warn "cleared package #$pkg\n";#d#	3764	warn "cleared package $pkg\n";#d#
3618	}	3765	}
3619
3620	our $RELOAD; # how many times to reload
3621		3766
3622	sub do_reload_perl() {	3767	sub do_reload_perl() {
3623	# can/must only be called in main	3768	# can/must only be called in main
3624	if ($Coro::current != $Coro::main) {	3769	if ($Coro::current != $Coro::main) {
3625	warn "can only reload from main coroutine";	3770	warn "can only reload from main coroutine";
3626	return;	3771	return;
3627	}	3772	}
3628		3773
3629	return if $RELOAD++;	3774	return if $RELOAD++;
		3775
		3776	my $t1 = EV::time;
3630		3777
3631	while ($RELOAD) {	3778	while ($RELOAD) {
3632	warn "reloading...";	3779	warn "reloading...";
3633		3780
3634	warn "entering sync_job";	3781	warn "entering sync_job";
…		…
3695	clear_package "safe::$_"	3842	clear_package "safe::$_"
3696	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);
3697		3844
3698	warn "unloading cf.pm \"a bit\"";	3845	warn "unloading cf.pm \"a bit\"";
3699	delete $INC{"cf.pm"};	3846	delete $INC{"cf.pm"};
3700	delete $INC{"cf/pod.pm"};	3847	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3701		3848
3702	# don't, removes xs symbols, too,	3849	# don't, removes xs symbols, too,
3703	# and global variables created in xs	3850	# and global variables created in xs
3704	#clear_package __PACKAGE__;	3851	#clear_package __PACKAGE__;
3705		3852
3706	warn "unload completed, starting to reload now";	3853	warn "unload completed, starting to reload now";
3707		3854
3708	warn "reloading cf.pm";	3855	warn "reloading cf.pm";
3709	require cf;	3856	require cf;
3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3857	cf::_connect_to_perl_1;
3711		3858
3712	warn "loading config and database again";	3859	warn "loading config and database again";
3713	cf::reload_config;	3860	cf::reload_config;
3714		3861
3715	warn "loading extensions";	3862	warn "loading extensions";
3716	cf::load_extensions;	3863	cf::load_extensions;
3717		3864
		3865	if ($REATTACH_ON_RELOAD) {
3718	warn "reattaching attachments to objects/players";	3866	warn "reattaching attachments to objects/players";
3719	_global_reattach; # objects, sockets	3867	_global_reattach; # objects, sockets
3720	warn "reattaching attachments to maps";	3868	warn "reattaching attachments to maps";
3721	reattach $_ for values %MAP;	3869	reattach $_ for values %MAP;
3722	warn "reattaching attachments to players";	3870	warn "reattaching attachments to players";
3723	reattach $_ for values %PLAYER;	3871	reattach $_ for values %PLAYER;
		3872	}
		3873
		3874	warn "running post_init jobs";
		3875	(pop @POST_INIT)->(1) while @POST_INIT;
3724		3876
3725	warn "leaving sync_job";	3877	warn "leaving sync_job";
3726		3878
3727	1	3879	1
3728	} or do {	3880	} or do {
…		…
3731	};	3883	};
3732		3884
3733	warn "reloaded";	3885	warn "reloaded";
3734	--$RELOAD;	3886	--$RELOAD;
3735	}	3887	}
		3888
		3889	$t1 = EV::time - $t1;
		3890	warn "reload completed in ${t1}s\n";
3736	};	3891	};
3737		3892
3738	our $RELOAD_WATCHER; # used only during reload	3893	our $RELOAD_WATCHER; # used only during reload
3739		3894
3740	sub reload_perl() {	3895	sub reload_perl() {
3741	# doing reload synchronously and two reloads happen back-to-back,	3896	# doing reload synchronously and two reloads happen back-to-back,
3742	# coro crashes during coro_state_free->destroy here.	3897	# coro crashes during coro_state_free->destroy here.
3743		3898
		3899	$RELOAD_WATCHER ||= cf::async {
		3900	Coro::AIO::aio_wait cache_extensions;
		3901
3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3902	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3745	do_reload_perl;	3903	do_reload_perl;
3746	undef $RELOAD_WATCHER;	3904	undef $RELOAD_WATCHER;
		3905	};
3747	};	3906	};
3748	}	3907	}
3749		3908
3750	register_command "reload" => sub {	3909	register_command "reload" => sub {
3751	my ($who, $arg) = @_;	3910	my ($who, $arg) = @_;
…		…
3765		3924
3766	our @WAIT_FOR_TICK;	3925	our @WAIT_FOR_TICK;
3767	our @WAIT_FOR_TICK_BEGIN;	3926	our @WAIT_FOR_TICK_BEGIN;
3768		3927
3769	sub wait_for_tick {	3928	sub wait_for_tick {
3770	return if tick_inhibit || $Coro::current == $Coro::main;	3929	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3771		3930
3772	my $signal = new Coro::Signal;	3931	my $signal = new Coro::Signal;
3773	push @WAIT_FOR_TICK, $signal;	3932	push @WAIT_FOR_TICK, $signal;
3774	$signal->wait;	3933	$signal->wait;
3775	}	3934	}
3776		3935
3777	sub wait_for_tick_begin {	3936	sub wait_for_tick_begin {
3778	return if tick_inhibit || $Coro::current == $Coro::main;	3937	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3779		3938
3780	my $signal = new Coro::Signal;	3939	my $signal = new Coro::Signal;
3781	push @WAIT_FOR_TICK_BEGIN, $signal;	3940	push @WAIT_FOR_TICK_BEGIN, $signal;
3782	$signal->wait;	3941	$signal->wait;
3783	}	3942	}
…		…
3788	unless ++$bug_warning > 10;	3947	unless ++$bug_warning > 10;
3789	return;	3948	return;
3790	}	3949	}
3791		3950
3792	cf::server_tick; # one server iteration	3951	cf::server_tick; # one server iteration
		3952
		3953	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3793		3954
3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3955	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3795	$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.;
3796	Coro::async_pool {	3957	Coro::async_pool {
3797	$Coro::current->{desc} = "runtime saver";	3958	$Coro::current->{desc} = "runtime saver";
…		…
3820	}	3981	}
3821		3982
3822	{	3983	{
3823	# configure BDB	3984	# configure BDB
3824		3985
3825	BDB::min_parallel 8;	3986	BDB::min_parallel 16;
3826	BDB::max_poll_reqs $TICK * 0.1;	3987	BDB::max_poll_reqs $TICK * 0.1;
3827	$AnyEvent::BDB::WATCHER->priority (1);	3988	$AnyEvent::BDB::WATCHER->priority (1);
3828		3989
3829	unless ($DB_ENV) {	3990	unless ($DB_ENV) {
3830	$DB_ENV = BDB::db_env_create;	3991	$DB_ENV = BDB::db_env_create;
…		…
3877	$msg =~ s/\n//;	4038	$msg =~ s/\n//;
3878		4039
3879	# limit the # of concurrent backtraces	4040	# limit the # of concurrent backtraces
3880	if ($_log_backtrace < 2) {	4041	if ($_log_backtrace < 2) {
3881	++$_log_backtrace;	4042	++$_log_backtrace;
		4043	my $perl_bt = Carp::longmess $msg;
3882	async {	4044	async {
3883	$Coro::current->{desc} = "abt $msg";	4045	$Coro::current->{desc} = "abt $msg";
3884		4046
3885	my @bt = fork_call {	4047	my @bt = fork_call {
3886	@addr = map { sprintf "%x", $_ } @addr;	4048	@addr = map { sprintf "%x", $_ } @addr;
…		…
3897	}	4059	}
3898		4060
3899	@funcs	4061	@funcs
3900	};	4062	};
3901		4063
3902	LOG llevInfo, "[ABT] $msg\n";	4064	LOG llevInfo, "[ABT] $perl_bt\n";
		4065	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3903	LOG llevInfo, "[ABT] $_\n" for @bt;	4066	LOG llevInfo, "[ABT] $_\n" for @bt;
3904	--$_log_backtrace;	4067	--$_log_backtrace;
3905	};	4068	};
3906	} else {	4069	} else {
3907	LOG llevInfo, "[ABT] $msg\n";	4070	LOG llevInfo, "[ABT] $msg\n";
3908	LOG llevInfo, "[ABT] [suppressed]\n";	4071	LOG llevInfo, "[ABT] [suppressed]\n";
3909	}	4072	}
3910	}	4073	}
3911		4074
3912	# load additional modules	4075	# load additional modules
3913	use cf::pod;	4076	require "cf/$_.pm" for @EXTRA_MODULES;
		4077	cf::_connect_to_perl_2;
3914		4078
3915	END { cf::emergency_save }	4079	END { cf::emergency_save }
3916		4080
3917	1	4081	1
3918		4082

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