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Revision 1.443 by root, Sun Aug 31 10:05:26 2008 UTC vs.
Revision 1.510 by root, Tue Apr 6 22:59:28 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];
…		…
1619	}	1684	}
1620		1685
1621	\@paths	1686	\@paths
1622	}	1687	}
1623		1688
1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625		1690
1626	Expand crossfire pod fragments into protocol xml.	1691	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		1692
1719	=item $player->ext_reply ($msgid, @msg)	1693	=item $player->ext_reply ($msgid, @msg)
1720		1694
1721	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1722		1696
…		…
1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1796		1770
1797	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1798	$self->_create_random_map (	1772	$self->_create_random_map (
1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1802	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1803	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1804	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1805	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1935		1909
1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1937	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1938	}	1912	}
1939		1913
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 $_->outdoor, values %cf::MAP;
1947	}
1948
1949	sub decay_objects {	1914	sub decay_objects {
1950	my ($self) = @_;	1915	my ($self) = @_;
1951		1916
1952	return if $self->{deny_reset};	1917	return if $self->{deny_reset};
1953		1918
…		…
2035	sub find {	2000	sub find {
2036	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
2037		2002
2038	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
2039		2004
2040	cf::lock_wait "map_data:$path";#d#remove	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2041	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
2042		2007
2043	$cf::MAP{$path} || do {	2008	$cf::MAP{$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	2009	my $map = new_from_path cf::map $path
2048	or return;	2010	or return;
2049		2011
2050	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
2051		2013
…		…
2063		2025
2064	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
2065	}	2027	}
2066	}	2028	}
2067		2029
2068	sub pre_load { }	2030	sub pre_load { }
2069	sub post_load { }	2031	#sub post_load { } # XS
2070		2032
2071	sub load {	2033	sub load {
2072	my ($self) = @_;	2034	my ($self) = @_;
2073		2035
2074	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2119	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
2120	$self->decay_objects;	2082	$self->decay_objects;
2121	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
2122	$self->update_buttons;	2084	$self->update_buttons;
2123	cf::cede_to_tick;	2085	cf::cede_to_tick;
2124	$self->set_darkness_map;
2125	cf::cede_to_tick;
2126	$self->activate;	2086	$self->activate;
2127	}	2087	}
2128		2088
2129	$self->{last_save} = $cf::RUNTIME;	2089	$self->{last_save} = $cf::RUNTIME;
2130	$self->last_access ($cf::RUNTIME);	2090	$self->last_access ($cf::RUNTIME);
…		…
2133	}	2093	}
2134		2094
2135	$self->post_load;	2095	$self->post_load;
2136	}	2096	}
2137		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
2138	sub customise_for {	2101	sub customise_for {
2139	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
2140		2103
2141	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
2142	if $self->per_player;	2105	if $self->per_player;
…		…
2296		2259
2297	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
2298		2261
2299	return if $self->players;	2262	return if $self->players;
2300		2263
2301	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
2302		2265
2303	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
2304		2267
2305	# need to save uniques path	2268	# need to save uniques path
2306	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
2397	: normalise $_	2360	: normalise $_
2398	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
2399	]	2362	]
2400	}	2363	}
2401		2364
		2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
		2396
2402	=back	2397	=back
2403		2398
2404	=head3 cf::object	2399	=head3 cf::object
2405		2400
2406	=cut	2401	=cut
…		…
2471		2466
2472	our $SAY_CHANNEL = {	2467	our $SAY_CHANNEL = {
2473	id => "say",	2468	id => "say",
2474	title => "Map",	2469	title => "Map",
2475	reply => "say ",	2470	reply => "say ",
2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2477	};	2472	};
2478		2473
2479	our $CHAT_CHANNEL = {	2474	our $CHAT_CHANNEL = {
2480	id => "chat",	2475	id => "chat",
2481	title => "Chat",	2476	title => "Chat",
…		…
2536		2531
2537	=item $player_object->enter_link	2532	=item $player_object->enter_link
2538		2533
2539	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
2540		2535
2541	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
2542	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
2543		2540
2544	Will never block.	2541	Will never block.
2545		2542
2546	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
2547		2544
…		…
2599	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2600	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2601		2598
2602	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2603	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2604	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2605		2602
2606	$map->load;	2603	$map->load;
2607	$map->load_neighbours;	2604	$map->load_neighbours;
2608		2605
2609	return unless $self->contr->active;	2606	return unless $self->contr->active;
2610	$self->activate_recursive;
2611		2607
2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2613	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
2614	}	2613	}
2615		2614
2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2617		2616
2618	Moves the player to the given map-path and coordinates by first freezing	2617	Moves the player to the given map-path and coordinates by first freezing
…		…
2777	$self->contr->savebed ($map, $x, $y)	2776	$self->contr->savebed ($map, $x, $y)
2778	if $exit->flag (cf::FLAG_DAMNED);	2777	if $exit->flag (cf::FLAG_DAMNED);
2779		2778
2780	1	2779	1
2781	}) {	2780	}) {
2782	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2783	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
2784	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2785	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2786		2785
2787	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2804	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
2805	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
2806		2805
2807	utf8::encode $text;	2806	utf8::encode $text;
2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2808	}
		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
2809	}	2833	}
2810		2834
2811	=item $client->send_msg ($channel, $msg, $color, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2812		2836
2813	Send a drawinfo or msg packet to the client, formatting the msg for the	2837	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2817		2841
2818	=cut	2842	=cut
2819		2843
2820	# non-persistent channels (usually the info channel)	2844	# non-persistent channels (usually the info channel)
2821	our %CHANNEL = (	2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
2822	"c/identify" => {	2852	"c/identify" => {
2823	id => "infobox",	2853	id => "infobox",
2824	title => "Identify",	2854	title => "Identify",
2825	reply => undef,	2855	reply => undef,
2826	tooltip => "Items recently identified",	2856	tooltip => "Items recently identified",
…		…
2828	"c/examine" => {	2858	"c/examine" => {
2829	id => "infobox",	2859	id => "infobox",
2830	title => "Examine",	2860	title => "Examine",
2831	reply => undef,	2861	reply => undef,
2832	tooltip => "Signs and other items you examined",	2862	tooltip => "Signs and other items you examined",
		2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
2833	},	2869	},
2834	"c/book" => {	2870	"c/book" => {
2835	id => "infobox",	2871	id => "infobox",
2836	title => "Book",	2872	title => "Book",
2837	reply => undef,	2873	reply => undef,
…		…
2853	id => "infobox",	2889	id => "infobox",
2854	title => "Body Parts",	2890	title => "Body Parts",
2855	reply => undef,	2891	reply => undef,
2856	tooltip => "Shows which body parts you posess and are available",	2892	tooltip => "Shows which body parts you posess and are available",
2857	},	2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
2858	"c/uptime" => {	2930	"c/uptime" => {
2859	id => "infobox",	2931	id => "infobox",
2860	title => "Uptime",	2932	title => "Uptime",
2861	reply => undef,	2933	reply => undef,
2862	tooltip => "How long the server has been running since last restart",	2934	tooltip => "How long the server has been running since last restart",
…		…
2871	id => "party",	2943	id => "party",
2872	title => "Party",	2944	title => "Party",
2873	reply => "gsay ",	2945	reply => "gsay ",
2874	tooltip => "Messages and chat related to your party",	2946	tooltip => "Messages and chat related to your party",
2875	},	2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
2876	);	2956	);
2877		2957
2878	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2879	my ($self, $channel, $msg, $color, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2880		2960
2881	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
2882		2963
2883	$color &= cf::NDI_CLIENT_MASK; # just in case...	2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
2884		2965
2885	# check predefined channels, for the benefit of C	2966	# check predefined channels, for the benefit of C
2886	if ($CHANNEL{$channel}) {	2967	if ($CHANNEL{$channel}) {
2887	$channel = $CHANNEL{$channel};	2968	$channel = $CHANNEL{$channel};
2888		2969
2889	$self->ext_msg (channel_info => $channel)	2970	$self->ext_msg (channel_info => $channel);
2890	if $self->can_msg;
2891
2892	$channel = $channel->{id};	2971	$channel = $channel->{id};
2893		2972
2894	} elsif (ref $channel) {	2973	} elsif (ref $channel) {
2895	# send meta info to client, if not yet sent	2974	# send meta info to client, if not yet sent
2896	unless (exists $self->{channel}{$channel->{id}}) {	2975	unless (exists $self->{channel}{$channel->{id}}) {
2897	$self->{channel}{$channel->{id}} = $channel;	2976	$self->{channel}{$channel->{id}} = $channel;
2898	$self->ext_msg (channel_info => $channel)	2977	$self->ext_msg (channel_info => $channel);
2899	if $self->can_msg;
2900	}	2978	}
2901		2979
2902	$channel = $channel->{id};	2980	$channel = $channel->{id};
2903	}	2981	}
2904		2982
2905	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2906		2984
2907	if ($self->can_msg) {
2908	# default colour, mask it out	2985	# default colour, mask it out
2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2910	if $color & cf::NDI_DEF;	2987	if $color & cf::NDI_DEF;
2911		2988
2912	my $pkt = "msg "	2989	my $pkt = "msg "
2913	. $self->{json_coder}->encode (	2990	. $self->{json_coder}->encode (
2914	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2915	);	2992	);
2916		2993
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);	2994	$self->send_big_packet ($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	}	2995	}
2954		2996
2955	=item $client->ext_msg ($type, @msg)	2997	=item $client->ext_msg ($type, @msg)
2956		2998
2957	Sends an ext event to the client.	2999	Sends an ext event to the client.
…		…
2960		3002
2961	sub cf::client::ext_msg($$@) {	3003	sub cf::client::ext_msg($$@) {
2962	my ($self, $type, @msg) = @_;	3004	my ($self, $type, @msg) = @_;
2963		3005
2964	if ($self->extcmd == 2) {	3006	if ($self->extcmd == 2) {
2965	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2966	} elsif ($self->extcmd == 1) { # TODO: remove	3008	} elsif ($self->extcmd == 1) { # TODO: remove
2967	push @msg, msgtype => "event_$type";	3009	push @msg, msgtype => "event_$type";
2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2969	}	3011	}
2970	}	3012	}
2971		3013
2972	=item $client->ext_reply ($msgid, @msg)	3014	=item $client->ext_reply ($msgid, @msg)
2973		3015
…		…
2977		3019
2978	sub cf::client::ext_reply($$@) {	3020	sub cf::client::ext_reply($$@) {
2979	my ($self, $id, @msg) = @_;	3021	my ($self, $id, @msg) = @_;
2980		3022
2981	if ($self->extcmd == 2) {	3023	if ($self->extcmd == 2) {
2982	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2983	} elsif ($self->extcmd == 1) {	3025	} elsif ($self->extcmd == 1) {
2984	#TODO: version 1, remove	3026	#TODO: version 1, remove
2985	unshift @msg, msgtype => "reply", msgid => $id;	3027	unshift @msg, msgtype => "reply", msgid => $id;
2986	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2987	}	3029	}
2988	}	3030	}
2989		3031
2990	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2991		3033
…		…
3092		3134
3093	$coro	3135	$coro
3094	}	3136	}
3095		3137
3096	cf::client->attach (	3138	cf::client->attach (
3097	on_destroy => sub {	3139	on_client_destroy => sub {
3098	my ($ns) = @_;	3140	my ($ns) = @_;
3099		3141
3100	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3142	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3101	},	3143	},
3102	);	3144	);
…		…
3118	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
3119		3161
3120	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
3121		3163
3122	$safe->permit_only (Opcode::opset qw(	3164	$safe->permit_only (Opcode::opset qw(
3123	:base_core :base_mem :base_orig :base_math	3165	:base_core :base_mem :base_orig :base_math :base_loop
3124	grepstart grepwhile mapstart mapwhile	3166	grepstart grepwhile mapstart mapwhile
3125	sort time	3167	sort time
3126	));	3168	));
3127		3169
3128	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
…		…
3132	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
3133		3175
3134	cf::object	3176	cf::object
3135	contr pay_amount pay_player map x y force_find force_add destroy	3177	contr pay_amount pay_player map x y force_find force_add destroy
3136	insert remove name archname title slaying race decrease split	3178	insert remove name archname title slaying race decrease split
		3179	value
3137		3180
3138	cf::object::player	3181	cf::object::player
3139	player	3182	player
3140		3183
3141	cf::player	3184	cf::player
…		…
3147	=cut	3190	=cut
3148		3191
3149	for (	3192	for (
3150	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3151	insert remove inv nrof name archname title slaying race	3194	insert remove inv nrof name archname title slaying race
3152	decrease split destroy change_exp)],	3195	decrease split destroy change_exp value msg lore send_msg)],
3153	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
3154	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
3155	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
3156	) {	3199	) {
3157	no strict 'refs';	3200	no strict 'refs';
3158	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
3159	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3177		3220
3178	my $qcode = $code;	3221	my $qcode = $code;
3179	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3180	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
3181		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
3182	local $_;	3228	local $_;
3183	local @safe::cf::_safe_eval_args = values %vars;
3184		3229
3185	my $eval =	3230	my $eval =
3186	"do {\n"	3231	"do {\n"
3187	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3188	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
3189	. $code	3234	. $code
3190	. "\n}"	3235	. "\n}"
3191	;	3236	;
3192		3237
		3238	if ($CFG{safe_eval}) {
3193	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
3194	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3195	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
3196		3247
3197	if ($@) {	3248	if ($@) {
3198	warn "$@";	3249	warn "$@";
3199	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
3200	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3219	=cut	3270	=cut
3220		3271
3221	sub register_script_function {	3272	sub register_script_function {
3222	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
3223		3274
3224	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
3225	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
3226	}	3277	}
3227		3278
3228	=back	3279	=back
3229		3280
3230	=cut	3281	=cut
…		…
3251		3302
3252	$facedata->{version} == 2	3303	$facedata->{version} == 2
3253	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
3254		3305
3255	# patch in the exptable	3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3256	$facedata->{resource}{"res/exp_table"} = {	3308	$facedata->{resource}{"res/exp_table"} = {
3257	type => FT_RSRC,	3309	type => FT_RSRC,
3258	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
3259	};	3312	};
3260	cf::cede_to_tick;	3313	cf::cede_to_tick;
3261		3314
3262	{	3315	{
3263	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
…		…
3265	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
3266	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3267		3320
3268	cf::face::set_visibility $idx, $info->{visibility};	3321	cf::face::set_visibility $idx, $info->{visibility};
3269	cf::face::set_magicmap $idx, $info->{magicmap};	3322	cf::face::set_magicmap $idx, $info->{magicmap};
3270	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3271	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3272		3325
3273	cf::cede_to_tick;	3326	cf::cede_to_tick;
3274	}	3327	}
3275		3328
3276	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
…		…
3300		3353
3301	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
3302	}	3355	}
3303		3356
3304	{	3357	{
3305	# TODO: for gcfclient pleasure, we should give resources
3306	# that gcfclient doesn't grok a >10000 face index.
3307	my $res = $facedata->{resource};	3358	my $res = $facedata->{resource};
3308		3359
3309	while (my ($name, $info) = each %$res) {	3360	while (my ($name, $info) = each %$res) {
3310	if (defined $info->{type}) {	3361	if (defined $info->{type}) {
3311	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3312	my $data;
3313		3363
3314	if ($info->{type} & 1) {	3364	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};	3365	cf::face::set_type $idx, $info->{type};
3329	} else {	3366	} else {
3330	$RESOURCE{$name} = $info;	3367	$RESOURCE{$name} = $info;
3331	}	3368	}
3332		3369
…		…
3415	reload_treasures;	3452	reload_treasures;
3416		3453
3417	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
3418	}	3455	}
3419		3456
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 {	3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
3429	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
3430	or return;	3461	or return;
3431		3462
3432	local $/;	3463	local $/;
3433	*CFG = YAML::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
3434		3465
3435	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3436		3467
3437	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3438	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3442	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3443	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
3444	};	3475	};
3445	warn $@ if $@;	3476	warn $@ if $@;
3446	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
3447	}	3508	}
3448		3509
3449	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
3450	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
3451	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3453	(async {	3528	(async {
3454	$Coro::current->{desc} = "IDLE BUG HANDLER";	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
3455	EV::loop EV::LOOP_ONESHOT;	3530	EV::loop EV::LOOP_ONESHOT;
3456	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
3457	};	3532	};
3458		3533
3459	{	3534	evthread_start IO::AIO::poll_fileno;
3460	my $guard = freeze_mainloop;	3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
3461	reload_config;	3541	reload_config;
3462	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_skills;
		3547
		3548	cf::init_beforeplay;
		3549
		3550	atomic;
		3551
3463	load_extensions;	3552	load_extensions;
3464		3553
3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3554	utime time, time, $RUNTIMEFILE;
		3555
		3556	# no (long-running) fork's whatsoever before this point(!)
		3557	use POSIX ();
		3558	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3559
		3560	(pop @POST_INIT)->(0) while @POST_INIT;
3466	}	3561	};
3467		3562
3468	EV::loop;	3563	main_loop;
3469	}	3564	}
3470		3565
3471	#############################################################################	3566	#############################################################################
3472	# initialisation and cleanup	3567	# initialisation and cleanup
3473		3568
…		…
3480	};	3575	};
3481	}	3576	}
3482	}	3577	}
3483		3578
3484	sub write_runtime_sync {	3579	sub write_runtime_sync {
3485	my $runtime = "$LOCALDIR/runtime";	3580	my $t0 = EV::time;
3486		3581
3487	# first touch the runtime file to show we are still running:	3582	# first touch the runtime file to show we are still running:
3488	# the fsync below can take a very very long time.	3583	# the fsync below can take a very very long time.
3489		3584
3490	IO::AIO::aio_utime $runtime, undef, undef;	3585	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3491		3586
3492	my $guard = cf::lock_acquire "write_runtime";	3587	my $guard = cf::lock_acquire "write_runtime";
3493		3588
3494	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3589	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3495	or return;	3590	or return;
3496		3591
3497	my $value = $cf::RUNTIME + 90 + 10;	3592	my $value = $cf::RUNTIME + 90 + 10;
3498	# 10 is the runtime save interval, for a monotonic clock	3593	# 10 is the runtime save interval, for a monotonic clock
3499	# 60 allows for the watchdog to kill the server.	3594	# 60 allows for the watchdog to kill the server.
…		…
3509	aio_utime $fh, undef, undef;	3604	aio_utime $fh, undef, undef;
3510		3605
3511	close $fh	3606	close $fh
3512	or return;	3607	or return;
3513		3608
3514	aio_rename "$runtime~", $runtime	3609	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3515	and return;	3610	and return;
3516		3611
3517	warn "runtime file written.\n";	3612	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3518		3613
3519	1	3614	1
3520	}	3615	}
3521		3616
3522	our $uuid_lock;	3617	our $uuid_lock;
…		…
3531	my $uuid = "$LOCALDIR/uuid";	3626	my $uuid = "$LOCALDIR/uuid";
3532		3627
3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3628	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3534	or return;	3629	or return;
3535		3630
3536	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3631	my $value = uuid_seq uuid_cur;
		3632
		3633	unless ($value) {
		3634	warn "cowardly refusing to write zero uuid value!\n";
		3635	return;
		3636	}
		3637
		3638	my $value = uuid_str $value + $uuid_skip;
3537	$uuid_skip = 0;	3639	$uuid_skip = 0;
3538		3640
3539	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3540	and return;	3642	and return;
3541		3643
…		…
3563	}	3665	}
3564		3666
3565	sub emergency_save() {	3667	sub emergency_save() {
3566	my $freeze_guard = cf::freeze_mainloop;	3668	my $freeze_guard = cf::freeze_mainloop;
3567		3669
3568	warn "enter emergency perl save\n";	3670	warn "emergency_perl_save: enter\n";
3569		3671
3570	cf::sync_job {	3672	cf::sync_job {
		3673	# this is a trade-off: we want to be very quick here, so
		3674	# save all maps without fsync, and later call a global sync
		3675	# (which in turn might be very very slow)
		3676	local $USE_FSYNC = 0;
		3677
3571	# use a peculiar iteration method to avoid tripping on perl	3678	# use a peculiar iteration method to avoid tripping on perl
3572	# refcount bugs in for. also avoids problems with players	3679	# refcount bugs in for. also avoids problems with players
3573	# and maps saved/destroyed asynchronously.	3680	# and maps saved/destroyed asynchronously.
3574	warn "begin emergency player save\n";	3681	warn "emergency_perl_save: begin player save\n";
3575	for my $login (keys %cf::PLAYER) {	3682	for my $login (keys %cf::PLAYER) {
3576	my $pl = $cf::PLAYER{$login} or next;	3683	my $pl = $cf::PLAYER{$login} or next;
3577	$pl->valid or next;	3684	$pl->valid or next;
3578	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3685	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3579	$pl->save;	3686	$pl->save;
3580	}	3687	}
3581	warn "end emergency player save\n";	3688	warn "emergency_perl_save: end player save\n";
3582		3689
3583	warn "begin emergency map save\n";	3690	warn "emergency_perl_save: begin map save\n";
3584	for my $path (keys %cf::MAP) {	3691	for my $path (keys %cf::MAP) {
3585	my $map = $cf::MAP{$path} or next;	3692	my $map = $cf::MAP{$path} or next;
3586	$map->valid or next;	3693	$map->valid or next;
3587	$map->save;	3694	$map->save;
3588	}	3695	}
3589	warn "end emergency map save\n";	3696	warn "emergency_perl_save: end map save\n";
3590		3697
3591	warn "begin emergency database checkpoint\n";	3698	warn "emergency_perl_save: begin database checkpoint\n";
3592	BDB::db_env_txn_checkpoint $DB_ENV;	3699	BDB::db_env_txn_checkpoint $DB_ENV;
3593	warn "end emergency database checkpoint\n";	3700	warn "emergency_perl_save: end database checkpoint\n";
3594		3701
3595	warn "begin write uuid\n";	3702	warn "emergency_perl_save: begin write uuid\n";
3596	write_uuid_sync 1;	3703	write_uuid_sync 1;
3597	warn "end write uuid\n";	3704	warn "emergency_perl_save: end write uuid\n";
3598	};	3705	};
3599		3706
		3707	warn "emergency_perl_save: starting sync()\n";
		3708	IO::AIO::aio_sync sub {
		3709	warn "emergency_perl_save: finished sync()\n";
		3710	};
		3711
3600	warn "leave emergency perl save\n";	3712	warn "emergency_perl_save: leave\n";
3601	}	3713	}
3602		3714
3603	sub post_cleanup {	3715	sub post_cleanup {
3604	my ($make_core) = @_;	3716	my ($make_core) = @_;
3605		3717
3606	warn Carp::longmess "post_cleanup backtrace"	3718	warn Carp::longmess "post_cleanup backtrace"
3607	if $make_core;	3719	if $make_core;
		3720
		3721	my $fh = pidfile;
		3722	unlink $PIDFILE if <$fh> == $$;
3608	}	3723	}
3609		3724
3610	# a safer delete_package, copied from Symbol	3725	# a safer delete_package, copied from Symbol
3611	sub clear_package($) {	3726	sub clear_package($) {
3612	my $pkg = shift;	3727	my $pkg = shift;
…		…
3628	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3743	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3629	for my $name (keys %$leaf_symtab) {	3744	for my $name (keys %$leaf_symtab) {
3630	_gv_clear *{"$pkg$name"};	3745	_gv_clear *{"$pkg$name"};
3631	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3746	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3632	}	3747	}
3633	warn "cleared package #$pkg\n";#d#	3748	warn "cleared package $pkg\n";#d#
3634	}	3749	}
3635
3636	our $RELOAD; # how many times to reload
3637		3750
3638	sub do_reload_perl() {	3751	sub do_reload_perl() {
3639	# can/must only be called in main	3752	# can/must only be called in main
3640	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
3641	warn "can only reload from main coroutine";	3754	warn "can only reload from main coroutine";
3642	return;	3755	return;
3643	}	3756	}
3644		3757
3645	return if $RELOAD++;	3758	return if $RELOAD++;
		3759
		3760	my $t1 = EV::time;
3646		3761
3647	while ($RELOAD) {	3762	while ($RELOAD) {
3648	warn "reloading...";	3763	warn "reloading...";
3649		3764
3650	warn "entering sync_job";	3765	warn "entering sync_job";
…		…
3711	clear_package "safe::$_"	3826	clear_package "safe::$_"
3712	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3827	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3713		3828
3714	warn "unloading cf.pm \"a bit\"";	3829	warn "unloading cf.pm \"a bit\"";
3715	delete $INC{"cf.pm"};	3830	delete $INC{"cf.pm"};
3716	delete $INC{"cf/pod.pm"};	3831	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3717		3832
3718	# don't, removes xs symbols, too,	3833	# don't, removes xs symbols, too,
3719	# and global variables created in xs	3834	# and global variables created in xs
3720	#clear_package __PACKAGE__;	3835	#clear_package __PACKAGE__;
3721		3836
3722	warn "unload completed, starting to reload now";	3837	warn "unload completed, starting to reload now";
3723		3838
3724	warn "reloading cf.pm";	3839	warn "reloading cf.pm";
3725	require cf;	3840	require cf;
3726	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3841	cf::_connect_to_perl_1;
3727		3842
3728	warn "loading config and database again";	3843	warn "loading config and database again";
3729	cf::reload_config;	3844	cf::reload_config;
3730		3845
3731	warn "loading extensions";	3846	warn "loading extensions";
3732	cf::load_extensions;	3847	cf::load_extensions;
3733		3848
		3849	if ($REATTACH_ON_RELOAD) {
3734	warn "reattaching attachments to objects/players";	3850	warn "reattaching attachments to objects/players";
3735	_global_reattach; # objects, sockets	3851	_global_reattach; # objects, sockets
3736	warn "reattaching attachments to maps";	3852	warn "reattaching attachments to maps";
3737	reattach $_ for values %MAP;	3853	reattach $_ for values %MAP;
3738	warn "reattaching attachments to players";	3854	warn "reattaching attachments to players";
3739	reattach $_ for values %PLAYER;	3855	reattach $_ for values %PLAYER;
		3856	}
		3857
		3858	warn "running post_init jobs";
		3859	(pop @POST_INIT)->(1) while @POST_INIT;
3740		3860
3741	warn "leaving sync_job";	3861	warn "leaving sync_job";
3742		3862
3743	1	3863	1
3744	} or do {	3864	} or do {
…		…
3747	};	3867	};
3748		3868
3749	warn "reloaded";	3869	warn "reloaded";
3750	--$RELOAD;	3870	--$RELOAD;
3751	}	3871	}
		3872
		3873	$t1 = EV::time - $t1;
		3874	warn "reload completed in ${t1}s\n";
3752	};	3875	};
3753		3876
3754	our $RELOAD_WATCHER; # used only during reload	3877	our $RELOAD_WATCHER; # used only during reload
3755		3878
3756	sub reload_perl() {	3879	sub reload_perl() {
3757	# doing reload synchronously and two reloads happen back-to-back,	3880	# doing reload synchronously and two reloads happen back-to-back,
3758	# coro crashes during coro_state_free->destroy here.	3881	# coro crashes during coro_state_free->destroy here.
3759		3882
		3883	$RELOAD_WATCHER ||= cf::async {
		3884	Coro::AIO::aio_wait cache_extensions;
		3885
3760	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3886	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3761	do_reload_perl;	3887	do_reload_perl;
3762	undef $RELOAD_WATCHER;	3888	undef $RELOAD_WATCHER;
		3889	};
3763	};	3890	};
3764	}	3891	}
3765		3892
3766	register_command "reload" => sub {	3893	register_command "reload" => sub {
3767	my ($who, $arg) = @_;	3894	my ($who, $arg) = @_;
…		…
3781		3908
3782	our @WAIT_FOR_TICK;	3909	our @WAIT_FOR_TICK;
3783	our @WAIT_FOR_TICK_BEGIN;	3910	our @WAIT_FOR_TICK_BEGIN;
3784		3911
3785	sub wait_for_tick {	3912	sub wait_for_tick {
3786	return if tick_inhibit || $Coro::current == $Coro::main;	3913	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3787		3914
3788	my $signal = new Coro::Signal;	3915	my $signal = new Coro::Signal;
3789	push @WAIT_FOR_TICK, $signal;	3916	push @WAIT_FOR_TICK, $signal;
3790	$signal->wait;	3917	$signal->wait;
3791	}	3918	}
3792		3919
3793	sub wait_for_tick_begin {	3920	sub wait_for_tick_begin {
3794	return if tick_inhibit || $Coro::current == $Coro::main;	3921	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3795		3922
3796	my $signal = new Coro::Signal;	3923	my $signal = new Coro::Signal;
3797	push @WAIT_FOR_TICK_BEGIN, $signal;	3924	push @WAIT_FOR_TICK_BEGIN, $signal;
3798	$signal->wait;	3925	$signal->wait;
3799	}	3926	}
…		…
3804	unless ++$bug_warning > 10;	3931	unless ++$bug_warning > 10;
3805	return;	3932	return;
3806	}	3933	}
3807		3934
3808	cf::server_tick; # one server iteration	3935	cf::server_tick; # one server iteration
		3936
		3937	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3809		3938
3810	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3939	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3811	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3940	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3812	Coro::async_pool {	3941	Coro::async_pool {
3813	$Coro::current->{desc} = "runtime saver";	3942	$Coro::current->{desc} = "runtime saver";
…		…
3836	}	3965	}
3837		3966
3838	{	3967	{
3839	# configure BDB	3968	# configure BDB
3840		3969
3841	BDB::min_parallel 8;	3970	BDB::min_parallel 16;
3842	BDB::max_poll_reqs $TICK * 0.1;	3971	BDB::max_poll_reqs $TICK * 0.1;
3843	$AnyEvent::BDB::WATCHER->priority (1);	3972	$AnyEvent::BDB::WATCHER->priority (1);
3844		3973
3845	unless ($DB_ENV) {	3974	unless ($DB_ENV) {
3846	$DB_ENV = BDB::db_env_create;	3975	$DB_ENV = BDB::db_env_create;
…		…
3893	$msg =~ s/\n//;	4022	$msg =~ s/\n//;
3894		4023
3895	# limit the # of concurrent backtraces	4024	# limit the # of concurrent backtraces
3896	if ($_log_backtrace < 2) {	4025	if ($_log_backtrace < 2) {
3897	++$_log_backtrace;	4026	++$_log_backtrace;
		4027	my $perl_bt = Carp::longmess $msg;
3898	async {	4028	async {
3899	$Coro::current->{desc} = "abt $msg";	4029	$Coro::current->{desc} = "abt $msg";
3900		4030
3901	my @bt = fork_call {	4031	my @bt = fork_call {
3902	@addr = map { sprintf "%x", $_ } @addr;	4032	@addr = map { sprintf "%x", $_ } @addr;
…		…
3913	}	4043	}
3914		4044
3915	@funcs	4045	@funcs
3916	};	4046	};
3917		4047
3918	LOG llevInfo, "[ABT] $msg\n";	4048	LOG llevInfo, "[ABT] $perl_bt\n";
		4049	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3919	LOG llevInfo, "[ABT] $_\n" for @bt;	4050	LOG llevInfo, "[ABT] $_\n" for @bt;
3920	--$_log_backtrace;	4051	--$_log_backtrace;
3921	};	4052	};
3922	} else {	4053	} else {
3923	LOG llevInfo, "[ABT] $msg\n";	4054	LOG llevInfo, "[ABT] $msg\n";
3924	LOG llevInfo, "[ABT] [suppressed]\n";	4055	LOG llevInfo, "[ABT] [suppressed]\n";
3925	}	4056	}
3926	}	4057	}
3927		4058
3928	# load additional modules	4059	# load additional modules
3929	use cf::pod;	4060	require "cf/$_.pm" for @EXTRA_MODULES;
		4061	cf::_connect_to_perl_2;
3930		4062
3931	END { cf::emergency_save }	4063	END { cf::emergency_save }
3932		4064
3933	1	4065	1
3934		4066

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