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Revision 1.445 by root, Wed Sep 10 18:18:10 2008 UTC vs.
Revision 1.508 by root, Sun Mar 28 22:29:50 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";
…		…
100	our %RESOURCE;	111	our %RESOURCE;
101		112
102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
104	our $NEXT_TICK;	115	our $NEXT_TICK;
105	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
106		117
107	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
108	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
109	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
110	our $DB_ENV;	121	our $DB_ENV;
111		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
112	our %CFG;	125	our %CFG;
113		126
114	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
115	our $RUNTIME;	128	our $RUNTIME;
116	our $NOW;	129	our $NOW;
…		…
124		137
125	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)
126	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
127	our $JITTER; # average jitter	140	our $JITTER; # average jitter
128	our $TICK_START; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
129		147
130	binmode STDOUT;	148	binmode STDOUT;
131	binmode STDERR;	149	binmode STDERR;
132		150
133	# read virtual server time, if available	151	# read virtual server time, if available
…		…
135	open my $fh, "<", $RUNTIMEFILE	153	open my $fh, "<", $RUNTIMEFILE
136	or die "unable to read $RUNTIMEFILE file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
137	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
138	}	156	}
139		157
		158	eval "sub TICK() { $TICK } 1" or die;
		159
140	mkdir $_	160	mkdir $_
141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
142		162
143	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
144		164
145	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::"} };
146		177
147	#############################################################################	178	#############################################################################
148		179
149	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
150		181
…		…
197	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
198	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.
199		230
200	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
201		232
202	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
203	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
204	that call.	235	that call.
205		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
206	=back	243	=back
207		244
208	=cut	245	=cut
209		246
210	BEGIN {	247	$Coro::State::WARNHOOK = sub {
211	*CORE::GLOBAL::warn = sub {
212	my $msg = join "", @_;	248	my $msg = join "", @_;
213		249
214	$msg .= "\n"	250	$msg .= "\n"
215	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
216		252
217	$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;
218		254
219	LOG llevError, $msg;	255	LOG llevError, $msg;
220	};	256	};
221	}
222		257
223	$Coro::State::DIEHOOK = sub {	258	$Coro::State::DIEHOOK = sub {
224	return unless $^S eq 0; # "eq", not "=="	259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
225		262
226	if ($Coro::current == $Coro::main) {#d#	263	if ($Coro::current == $Coro::main) {#d#
227	warn "DIEHOOK called in main context, Coro bug?\n";#d#	264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
228	return;#d#	265	return;#d#
229	}#d#	266	}#d#
230		267
231	# kill coroutine otherwise	268	# kill coroutine otherwise
232	warn Carp::longmess $_[0];
233	Coro::terminate	269	Coro::terminate
234	};	270	};
235
236	$SIG{__DIE__} = sub { }; #d#?
237		271
238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
255	)) {	289	)) {
256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
257	}	291	}
258		292
259	$EV::DIED = sub {	293	$EV::DIED = sub {
260	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
261	};	295	};
262		296
263	#############################################################################	297	#############################################################################
264		298
265	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
303		337
304	sub encode_json($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
305	sub decode_json($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
306		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
307	=item cf::lock_wait $string	355	=item cf::lock_wait $string
308		356
309	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
310		358
311	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
312		360
313	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
314	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,
315	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
316	returned.	364	returned.
317		365
318	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
319	deadlocked coro.	367	deadlocked coro.
…		…
325		373
326	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.
327		375
328	=cut	376	=cut
329		377
330	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
331	our %LOCKER;#d#
332		379
333	sub lock_wait($) {	380	sub lock_wait($) {
334	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
335
336	if ($LOCKER{$key} == $Coro::current) {#d#
337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
338	return;#d#
339	}#d#
340
341	# wait for lock, if any
342	while ($LOCK{$key}) {
343	push @{ $LOCK{$key} }, $Coro::current;
344	Coro::schedule;
345	}
346	}	382	}
347		383
348	sub lock_acquire($) {	384	sub lock_acquire($) {
349	my ($key) = @_;	385	$LOCKS->guard ($_[0])
350
351	# wait, to be sure we are not locked
352	lock_wait $key;
353
354	$LOCK{$key} = [];
355	$LOCKER{$key} = $Coro::current;#d#
356
357	Coro::guard {
358	delete $LOCKER{$key};#d#
359	# wake up all waiters, to be on the safe side
360	$_->ready for @{ delete $LOCK{$key} };
361	}
362	}	386	}
363		387
364	sub lock_active($) {	388	sub lock_active($) {
365	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
366
367	! ! $LOCK{$key}
368	}	390	}
369		391
370	sub freeze_mainloop {	392	sub freeze_mainloop {
371	tick_inhibit_inc;	393	tick_inhibit_inc;
372		394
373	Coro::guard \&tick_inhibit_dec;	395	&Guard::guard (\&tick_inhibit_dec);
374	}	396	}
375		397
376	=item cf::periodic $interval, $cb	398	=item cf::periodic $interval, $cb
377		399
378	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
…		…
401		423
402	=cut	424	=cut
403		425
404	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
405	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
406		429
407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
408	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
409	$Coro::current->desc ("timeslot manager");	432	$Coro::current->desc ("timeslot manager");
410		433
411	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
412		436
413	while () {	437	while () {
414	next_job:	438	next_job:
		439
415	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
416	if ($avail > 0.01) {	441
417	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
418	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
419	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
420	$job->[2]->send;	446	$job->[2]->send;
421	Coro::cede;	447	Coro::cede;
422	goto next_job;	448	goto next_job;
423	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
424	}	451	}
425	}	452	}
426		453
427	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
428	# 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
429	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
430	$signal->wait;	457	$signal->wait;
431	} else {	458	} else {
		459	$busy = 0;
432	Coro::schedule;	460	Coro::schedule;
433	}	461	}
434	}	462	}
435	};	463	};
436		464
437	sub get_slot($;$$) {	465	sub get_slot($;$$) {
438	return if tick_inhibit || $Coro::current == $Coro::main;	466	return if tick_inhibit || $Coro::current == $Coro::main;
439		467
440	my ($time, $pri, $name) = @_;	468	my ($time, $pri, $name) = @_;
441		469
442	$time = $TICK * .6 if $time > $TICK * .6;	470	$time = clamp $time, 0.01, $TICK * .6;
		471
443	my $sig = new Coro::Signal;	472	my $sig = new Coro::Signal;
444		473
445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
447	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
…		…
730		759
731	#############################################################################	760	#############################################################################
732		761
733	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
734		763
735	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
736	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")
737	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
738		767
739	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>
740	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
…		…
790	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
791		820
792	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
793	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
794		823
795	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
796	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.
797		826
798	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
799		828
800	=over 4	829	=over 4
…		…
1150	$decname, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1151		1180
1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1182	aio_chmod $fh, SAVE_MODE;
1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1155	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	}
1156	aio_close $fh;	1188	aio_close $fh;
1157		1189
1158	if (@$objs) {	1190	if (@$objs) {
1159	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) {
1160	aio_chmod $fh, SAVE_MODE;	1192	aio_chmod $fh, SAVE_MODE;
1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1162	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1163	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	}
1164	aio_close $fh;	1199	aio_close $fh;
1165	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1166	}	1201	}
1167	} else {	1202	} else {
1168	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1169	}	1204	}
1170		1205
1171	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1172	} else {	1210	} else {
1173	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1174	}	1212	}
1175	} else {	1213	} else {
1176	aio_unlink $filename;	1214	aio_unlink $filename;
1177	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1178	}	1216	}
…		…
1269	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1270		1308
1271	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1272	}	1310	}
1273		1311
		1312	use File::Glob ();
		1313
1274	cf::player->attach (	1314	cf::player->attach (
1275	on_command => sub {	1315	on_command => sub {
1276	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1277		1317
1278	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
…		…
1310		1350
1311	cf::override;	1351	cf::override;
1312	},	1352	},
1313	);	1353	);
1314		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
1315	sub load_extensions {	1368	sub load_extensions {
1316	cf::sync_job {	1369	cf::sync_job {
1317	my %todo;	1370	my %todo;
1318		1371
1319	for my $path (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
…		…
1346	. "\n};\n1";	1399	. "\n};\n1";
1347		1400
1348	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1349	}	1402	}
1350		1403
		1404	my $pass = 0;
1351	my %done;	1405	my %done;
1352	while (%todo) {	1406	while (%todo) {
1353	my $progress;	1407	my $progress;
1354		1408
		1409	++$pass;
		1410
		1411	ext:
1355	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1356	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1357	goto skip	1414	next ext
1358	unless exists $done{$_};	1415	unless exists $done{$_};
1359	}	1416	}
1360		1417
1361	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1362		1419
1363	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1364	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1365	: "$v->{base}: extension inactive.\n";
1366		1424
1367	if (exists $v->{meta}{mandatory}) {
1368	warn $msg;
1369	cf::cleanup "mandatory extension failed to load, exiting.";	1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1370	}	1426	if exists $v->{meta}{mandatory};
1371		1427	} else {
1372	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;
1373	}	1434	}
1374
1375	$done{$k} = delete $todo{$k};
1376	push @EXTS, $v->{pkg};
1377	$progress = 1;
1378	}	1435	}
1379		1436
1380	skip:	1437	unless ($progress) {
1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1382	unless $progress;	1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
1383	}	1445	}
1384	};	1446	};
1385	}	1447	}
1386		1448
1387	#############################################################################	1449	#############################################################################
1388		1450
1389	=back	1451	=back
1390		1452
1391	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1392		1454
1393	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1394		1456
1395	=cut	1457	=cut
1396		1458
1397	package cf::player;	1459	package cf::player;
1398		1460
…		…
1441		1503
1442	sub exists($) {	1504	sub exists($) {
1443	my ($login) = @_;	1505	my ($login) = @_;
1444		1506
1445	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1446	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1447	}	1509	}
1448		1510
1449	sub find($) {	1511	sub find($) {
1450	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1451	my $login = $_[0];	1513	my $login = $_[0];
…		…
1622	}	1684	}
1623		1685
1624	\@paths	1686	\@paths
1625	}	1687	}
1626		1688
1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1628		1690
1629	Expand crossfire pod fragments into protocol xml.	1691	Expand deliantra pod fragments into protocol xml.
1630		1692
1631	=item $player->ext_reply ($msgid, @msg)	1693	=item $player->ext_reply ($msgid, @msg)
1632		1694
1633	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1634		1696
…		…
1707	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
1708		1770
1709	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1710	$self->_create_random_map (	1772	$self->_create_random_map (
1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1714	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1715	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1716	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1717	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1847		1909
1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1849	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1850	}	1912	}
1851		1913
1852	# and all this just because we cannot iterate over
1853	# all maps in C++...
1854	sub change_all_map_light {
1855	my ($change) = @_;
1856
1857	$_->change_map_light ($change)
1858	for grep $_->outdoor, values %cf::MAP;
1859	}
1860
1861	sub decay_objects {	1914	sub decay_objects {
1862	my ($self) = @_;	1915	my ($self) = @_;
1863		1916
1864	return if $self->{deny_reset};	1917	return if $self->{deny_reset};
1865		1918
…		…
1947	sub find {	2000	sub find {
1948	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1949		2002
1950	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1951		2004
1952	cf::lock_wait "map_data:$path";#d#remove	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1953	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1954		2007
1955	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1957	my $guard2 = cf::lock_acquire "map_find:$path";
1958
1959	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1960	or return;	2010	or return;
1961		2011
1962	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1963		2013
…		…
1975		2025
1976	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1977	}	2027	}
1978	}	2028	}
1979		2029
1980	sub pre_load { }	2030	sub pre_load { }
1981	sub post_load { }	2031	#sub post_load { } # XS
1982		2032
1983	sub load {	2033	sub load {
1984	my ($self) = @_;	2034	my ($self) = @_;
1985		2035
1986	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2031	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
2032	$self->decay_objects;	2082	$self->decay_objects;
2033	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
2034	$self->update_buttons;	2084	$self->update_buttons;
2035	cf::cede_to_tick;	2085	cf::cede_to_tick;
2036	$self->set_darkness_map;
2037	cf::cede_to_tick;
2038	$self->activate;	2086	$self->activate;
2039	}	2087	}
2040		2088
2041	$self->{last_save} = $cf::RUNTIME;	2089	$self->{last_save} = $cf::RUNTIME;
2042	$self->last_access ($cf::RUNTIME);	2090	$self->last_access ($cf::RUNTIME);
…		…
2045	}	2093	}
2046		2094
2047	$self->post_load;	2095	$self->post_load;
2048	}	2096	}
2049		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
2050	sub customise_for {	2101	sub customise_for {
2051	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
2052		2103
2053	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
2054	if $self->per_player;	2105	if $self->per_player;
…		…
2208		2259
2209	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
2210		2261
2211	return if $self->players;	2262	return if $self->players;
2212		2263
2213	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
2214		2265
2215	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
2216		2267
2217	# need to save uniques path	2268	# need to save uniques path
2218	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
2309	: normalise $_	2360	: normalise $_
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2362	]
2312	}	2363	}
2313		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
2314	=back	2397	=back
2315		2398
2316	=head3 cf::object	2399	=head3 cf::object
2317		2400
2318	=cut	2401	=cut
…		…
2383		2466
2384	our $SAY_CHANNEL = {	2467	our $SAY_CHANNEL = {
2385	id => "say",	2468	id => "say",
2386	title => "Map",	2469	title => "Map",
2387	reply => "say ",	2470	reply => "say ",
2388	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.",
2389	};	2472	};
2390		2473
2391	our $CHAT_CHANNEL = {	2474	our $CHAT_CHANNEL = {
2392	id => "chat",	2475	id => "chat",
2393	title => "Chat",	2476	title => "Chat",
…		…
2448		2531
2449	=item $player_object->enter_link	2532	=item $player_object->enter_link
2450		2533
2451	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}>).
2452		2535
2453	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.
2454	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.
2455		2540
2456	Will never block.	2541	Will never block.
2457		2542
2458	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
2459		2544
…		…
2511	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2512	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2513		2598
2514	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2515	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2516	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2517		2602
2518	$map->load;	2603	$map->load;
2519	$map->load_neighbours;	2604	$map->load_neighbours;
2520		2605
2521	return unless $self->contr->active;	2606	return unless $self->contr->active;
2522	$self->activate_recursive;
2523		2607
2524	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2525	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
2526	}	2613	}
2527		2614
2528	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2529		2616
2530	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
…		…
2689	$self->contr->savebed ($map, $x, $y)	2776	$self->contr->savebed ($map, $x, $y)
2690	if $exit->flag (cf::FLAG_DAMNED);	2777	if $exit->flag (cf::FLAG_DAMNED);
2691		2778
2692	1	2779	1
2693	}) {	2780	}) {
2694	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2695	. "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. "
2696	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2697	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2698		2785
2699	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2716	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
2717	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
2718		2805
2719	utf8::encode $text;	2806	utf8::encode $text;
2720	$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);
2721	}	2833	}
2722		2834
2723	=item $client->send_msg ($channel, $msg, $color, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2724		2836
2725	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
…		…
2729		2841
2730	=cut	2842	=cut
2731		2843
2732	# non-persistent channels (usually the info channel)	2844	# non-persistent channels (usually the info channel)
2733	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	},
2734	"c/identify" => {	2852	"c/identify" => {
2735	id => "infobox",	2853	id => "infobox",
2736	title => "Identify",	2854	title => "Identify",
2737	reply => undef,	2855	reply => undef,
2738	tooltip => "Items recently identified",	2856	tooltip => "Items recently identified",
…		…
2740	"c/examine" => {	2858	"c/examine" => {
2741	id => "infobox",	2859	id => "infobox",
2742	title => "Examine",	2860	title => "Examine",
2743	reply => undef,	2861	reply => undef,
2744	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",
2745	},	2869	},
2746	"c/book" => {	2870	"c/book" => {
2747	id => "infobox",	2871	id => "infobox",
2748	title => "Book",	2872	title => "Book",
2749	reply => undef,	2873	reply => undef,
…		…
2765	id => "infobox",	2889	id => "infobox",
2766	title => "Body Parts",	2890	title => "Body Parts",
2767	reply => undef,	2891	reply => undef,
2768	tooltip => "Shows which body parts you posess and are available",	2892	tooltip => "Shows which body parts you posess and are available",
2769	},	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	},
2770	"c/uptime" => {	2930	"c/uptime" => {
2771	id => "infobox",	2931	id => "infobox",
2772	title => "Uptime",	2932	title => "Uptime",
2773	reply => undef,	2933	reply => undef,
2774	tooltip => "How long the server has been running since last restart",	2934	tooltip => "How long the server has been running since last restart",
…		…
2783	id => "party",	2943	id => "party",
2784	title => "Party",	2944	title => "Party",
2785	reply => "gsay ",	2945	reply => "gsay ",
2786	tooltip => "Messages and chat related to your party",	2946	tooltip => "Messages and chat related to your party",
2787	},	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" => $CHAT_CHANNEL,
2788	);	2956	);
2789		2957
2790	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2791	my ($self, $channel, $msg, $color, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2792		2960
2793	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
2794		2963
2795	$color &= cf::NDI_CLIENT_MASK; # just in case...	2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
2796		2965
2797	# check predefined channels, for the benefit of C	2966	# check predefined channels, for the benefit of C
2798	if ($CHANNEL{$channel}) {	2967	if ($CHANNEL{$channel}) {
2799	$channel = $CHANNEL{$channel};	2968	$channel = $CHANNEL{$channel};
2800		2969
2801	$self->ext_msg (channel_info => $channel)	2970	$self->ext_msg (channel_info => $channel);
2802	if $self->can_msg;
2803
2804	$channel = $channel->{id};	2971	$channel = $channel->{id};
2805		2972
2806	} elsif (ref $channel) {	2973	} elsif (ref $channel) {
2807	# send meta info to client, if not yet sent	2974	# send meta info to client, if not yet sent
2808	unless (exists $self->{channel}{$channel->{id}}) {	2975	unless (exists $self->{channel}{$channel->{id}}) {
2809	$self->{channel}{$channel->{id}} = $channel;	2976	$self->{channel}{$channel->{id}} = $channel;
2810	$self->ext_msg (channel_info => $channel)	2977	$self->ext_msg (channel_info => $channel);
2811	if $self->can_msg;
2812	}	2978	}
2813		2979
2814	$channel = $channel->{id};	2980	$channel = $channel->{id};
2815	}	2981	}
2816		2982
2817	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2818		2984
2819	if ($self->can_msg) {
2820	# default colour, mask it out	2985	# default colour, mask it out
2821	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2822	if $color & cf::NDI_DEF;	2987	if $color & cf::NDI_DEF;
2823		2988
2824	my $pkt = "msg "	2989	my $pkt = "msg "
2825	. $self->{json_coder}->encode (	2990	. $self->{json_coder}->encode (
2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2827	);	2992	);
2828		2993
2829	# try lzf for large packets
2830	$pkt = "lzf " . Compress::LZF::compress $pkt
2831	if 1024 <= length $pkt and $self->{can_lzf};
2832
2833	# split very large packets
2834	if (8192 < length $pkt and $self->{can_lzf}) {
2835	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2836	$pkt = "frag";
2837	}
2838
2839	$self->send_packet ($pkt);	2994	$self->send_big_packet ($pkt);
2840	} else {
2841	if ($color >= 0) {
2842	# replace some tags by gcfclient-compatible ones
2843	for ($msg) {
2844	1 while
2845	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2846	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2847	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2848	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2849	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2850	}
2851
2852	$color &= cf::NDI_COLOR_MASK;
2853
2854	utf8::encode $msg;
2855
2856	if (0 && $msg =~ /\[/) {
2857	# COMMAND/INFO
2858	$self->send_packet ("drawextinfo $color 10 8 $msg")
2859	} else {
2860	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2861	$self->send_packet ("drawinfo $color $msg")
2862	}
2863	}
2864	}
2865	}	2995	}
2866		2996
2867	=item $client->ext_msg ($type, @msg)	2997	=item $client->ext_msg ($type, @msg)
2868		2998
2869	Sends an ext event to the client.	2999	Sends an ext event to the client.
…		…
2872		3002
2873	sub cf::client::ext_msg($$@) {	3003	sub cf::client::ext_msg($$@) {
2874	my ($self, $type, @msg) = @_;	3004	my ($self, $type, @msg) = @_;
2875		3005
2876	if ($self->extcmd == 2) {	3006	if ($self->extcmd == 2) {
2877	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2878	} elsif ($self->extcmd == 1) { # TODO: remove	3008	} elsif ($self->extcmd == 1) { # TODO: remove
2879	push @msg, msgtype => "event_$type";	3009	push @msg, msgtype => "event_$type";
2880	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2881	}	3011	}
2882	}	3012	}
2883		3013
2884	=item $client->ext_reply ($msgid, @msg)	3014	=item $client->ext_reply ($msgid, @msg)
2885		3015
…		…
2889		3019
2890	sub cf::client::ext_reply($$@) {	3020	sub cf::client::ext_reply($$@) {
2891	my ($self, $id, @msg) = @_;	3021	my ($self, $id, @msg) = @_;
2892		3022
2893	if ($self->extcmd == 2) {	3023	if ($self->extcmd == 2) {
2894	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2895	} elsif ($self->extcmd == 1) {	3025	} elsif ($self->extcmd == 1) {
2896	#TODO: version 1, remove	3026	#TODO: version 1, remove
2897	unshift @msg, msgtype => "reply", msgid => $id;	3027	unshift @msg, msgtype => "reply", msgid => $id;
2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2899	}	3029	}
2900	}	3030	}
2901		3031
2902	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2903		3033
…		…
3030	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
3031		3161
3032	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
3033		3163
3034	$safe->permit_only (Opcode::opset qw(	3164	$safe->permit_only (Opcode::opset qw(
3035	:base_core :base_mem :base_orig :base_math	3165	:base_core :base_mem :base_orig :base_math :base_loop
3036	grepstart grepwhile mapstart mapwhile	3166	grepstart grepwhile mapstart mapwhile
3037	sort time	3167	sort time
3038	));	3168	));
3039		3169
3040	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
…		…
3044	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
3045		3175
3046	cf::object	3176	cf::object
3047	contr pay_amount pay_player map x y force_find force_add destroy	3177	contr pay_amount pay_player map x y force_find force_add destroy
3048	insert remove name archname title slaying race decrease split	3178	insert remove name archname title slaying race decrease split
		3179	value
3049		3180
3050	cf::object::player	3181	cf::object::player
3051	player	3182	player
3052		3183
3053	cf::player	3184	cf::player
…		…
3059	=cut	3190	=cut
3060		3191
3061	for (	3192	for (
3062	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3063	insert remove inv nrof name archname title slaying race	3194	insert remove inv nrof name archname title slaying race
3064	decrease split destroy change_exp)],	3195	decrease split destroy change_exp value msg lore send_msg)],
3065	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
3066	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
3067	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
3068	) {	3199	) {
3069	no strict 'refs';	3200	no strict 'refs';
3070	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
3071	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3089		3220
3090	my $qcode = $code;	3221	my $qcode = $code;
3091	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3092	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
3093		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
3094	local $_;	3228	local $_;
3095	local @safe::cf::_safe_eval_args = values %vars;
3096		3229
3097	my $eval =	3230	my $eval =
3098	"do {\n"	3231	"do {\n"
3099	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3100	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
3101	. $code	3234	. $code
3102	. "\n}"	3235	. "\n}"
3103	;	3236	;
3104		3237
		3238	if ($CFG{safe_eval}) {
3105	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
3106	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3107	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
3108		3247
3109	if ($@) {	3248	if ($@) {
3110	warn "$@";	3249	warn "$@";
3111	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
3112	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3131	=cut	3270	=cut
3132		3271
3133	sub register_script_function {	3272	sub register_script_function {
3134	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
3135		3274
3136	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
3137	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
3138	}	3277	}
3139		3278
3140	=back	3279	=back
3141		3280
3142	=cut	3281	=cut
…		…
3163		3302
3164	$facedata->{version} == 2	3303	$facedata->{version} == 2
3165	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
3166		3305
3167	# 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]);
3168	$facedata->{resource}{"res/exp_table"} = {	3308	$facedata->{resource}{"res/exp_table"} = {
3169	type => FT_RSRC,	3309	type => FT_RSRC,
3170	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),
3171	};	3312	};
3172	cf::cede_to_tick;	3313	cf::cede_to_tick;
3173		3314
3174	{	3315	{
3175	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
…		…
3177	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
3178	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3179		3320
3180	cf::face::set_visibility $idx, $info->{visibility};	3321	cf::face::set_visibility $idx, $info->{visibility};
3181	cf::face::set_magicmap $idx, $info->{magicmap};	3322	cf::face::set_magicmap $idx, $info->{magicmap};
3182	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3183	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3184		3325
3185	cf::cede_to_tick;	3326	cf::cede_to_tick;
3186	}	3327	}
3187		3328
3188	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
…		…
3212		3353
3213	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
3214	}	3355	}
3215		3356
3216	{	3357	{
3217	# TODO: for gcfclient pleasure, we should give resources
3218	# that gcfclient doesn't grok a >10000 face index.
3219	my $res = $facedata->{resource};	3358	my $res = $facedata->{resource};
3220		3359
3221	while (my ($name, $info) = each %$res) {	3360	while (my ($name, $info) = each %$res) {
3222	if (defined $info->{type}) {	3361	if (defined $info->{type}) {
3223	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3224	my $data;
3225		3363
3226	if ($info->{type} & 1) {	3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3227	# prepend meta info
3228
3229	my $meta = $enc->encode ({
3230	name => $name,
3231	%{ $info->{meta} || {} },
3232	});
3233
3234	$data = pack "(w/a*)*", $meta, $info->{data};
3235	} else {
3236	$data = $info->{data};
3237	}
3238
3239	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3240	cf::face::set_type $idx, $info->{type};	3365	cf::face::set_type $idx, $info->{type};
3241	} else {	3366	} else {
3242	$RESOURCE{$name} = $info;	3367	$RESOURCE{$name} = $info;
3243	}	3368	}
3244		3369
…		…
3327	reload_treasures;	3452	reload_treasures;
3328		3453
3329	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
3330	}	3455	}
3331		3456
3332	sub init {
3333	my $guard = freeze_mainloop;
3334
3335	evthread_start IO::AIO::poll_fileno;
3336
3337	reload_resources;
3338	}
3339
3340	sub reload_config {	3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
3341	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
3342	or return;	3461	or return;
3343		3462
3344	local $/;	3463	local $/;
3345	*CFG = YAML::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
3346		3465
3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3348		3467
3349	$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};
3350	$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};
…		…
3354	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3355	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
3356	};	3475	};
3357	warn $@ if $@;	3476	warn $@ if $@;
3358	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
3359	}	3480	}
3360		3481
3361	sub pidfile() {	3482	sub pidfile() {
3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT	3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3363	or die "$PIDFILE: $!";	3484	or die "$PIDFILE: $!";
…		…
3375		3496
3376	seek $fh, 0, 0;	3497	seek $fh, 0, 0;
3377	print $fh $$;	3498	print $fh $$;
3378	}	3499	}
3379		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;
		3508	}
		3509
3380	sub main {	3510	sub main {
3381	atomic;	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
3382		3524
3383	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
3384	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
3385	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#
3386	(async {	3528	(async {
3387	$Coro::current->{desc} = "IDLE BUG HANDLER";	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
3388	EV::loop EV::LOOP_ONESHOT;	3530	EV::loop EV::LOOP_ONESHOT;
3389	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
3390	};	3532	};
3391		3533
3392	{	3534	evthread_start IO::AIO::poll_fileno;
3393	my $guard = freeze_mainloop;	3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
3394	reload_config;	3541	reload_config;
3395	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
3396	load_extensions;	3553	load_extensions;
3397		3554
3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3399	}
3400
3401	utime time, time, $RUNTIMEFILE;	3555	utime time, time, $RUNTIMEFILE;
3402		3556
3403	# no (long-running) fork's whatsoever before this point(!)	3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
3404	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3405		3560
3406	EV::loop;	3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
3407	}	3565	}
3408		3566
3409	#############################################################################	3567	#############################################################################
3410	# initialisation and cleanup	3568	# initialisation and cleanup
3411		3569
…		…
3418	};	3576	};
3419	}	3577	}
3420	}	3578	}
3421		3579
3422	sub write_runtime_sync {	3580	sub write_runtime_sync {
		3581	my $t0 = EV::time;
		3582
3423	# first touch the runtime file to show we are still running:	3583	# first touch the runtime file to show we are still running:
3424	# the fsync below can take a very very long time.	3584	# the fsync below can take a very very long time.
3425		3585
3426	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3427		3587
3428	my $guard = cf::lock_acquire "write_runtime";	3588	my $guard = cf::lock_acquire "write_runtime";
3429		3589
3430	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3431	or return;	3591	or return;
3432		3592
3433	my $value = $cf::RUNTIME + 90 + 10;	3593	my $value = $cf::RUNTIME + 90 + 10;
3434	# 10 is the runtime save interval, for a monotonic clock	3594	# 10 is the runtime save interval, for a monotonic clock
3435	# 60 allows for the watchdog to kill the server.	3595	# 60 allows for the watchdog to kill the server.
…		…
3448	or return;	3608	or return;
3449		3609
3450	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3451	and return;	3611	and return;
3452		3612
3453	warn "runtime file written.\n";	3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3454		3614
3455	1	3615	1
3456	}	3616	}
3457		3617
3458	our $uuid_lock;	3618	our $uuid_lock;
…		…
3467	my $uuid = "$LOCALDIR/uuid";	3627	my $uuid = "$LOCALDIR/uuid";
3468		3628
3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3470	or return;	3630	or return;
3471		3631
3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
3473	$uuid_skip = 0;	3640	$uuid_skip = 0;
3474		3641
3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3476	and return;	3643	and return;
3477		3644
…		…
3499	}	3666	}
3500		3667
3501	sub emergency_save() {	3668	sub emergency_save() {
3502	my $freeze_guard = cf::freeze_mainloop;	3669	my $freeze_guard = cf::freeze_mainloop;
3503		3670
3504	warn "enter emergency perl save\n";	3671	warn "emergency_perl_save: enter\n";
3505		3672
3506	cf::sync_job {	3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
3507	# use a peculiar iteration method to avoid tripping on perl	3679	# use a peculiar iteration method to avoid tripping on perl
3508	# refcount bugs in for. also avoids problems with players	3680	# refcount bugs in for. also avoids problems with players
3509	# and maps saved/destroyed asynchronously.	3681	# and maps saved/destroyed asynchronously.
3510	warn "begin emergency player save\n";	3682	warn "emergency_perl_save: begin player save\n";
3511	for my $login (keys %cf::PLAYER) {	3683	for my $login (keys %cf::PLAYER) {
3512	my $pl = $cf::PLAYER{$login} or next;	3684	my $pl = $cf::PLAYER{$login} or next;
3513	$pl->valid or next;	3685	$pl->valid or next;
3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3515	$pl->save;	3687	$pl->save;
3516	}	3688	}
3517	warn "end emergency player save\n";	3689	warn "emergency_perl_save: end player save\n";
3518		3690
3519	warn "begin emergency map save\n";	3691	warn "emergency_perl_save: begin map save\n";
3520	for my $path (keys %cf::MAP) {	3692	for my $path (keys %cf::MAP) {
3521	my $map = $cf::MAP{$path} or next;	3693	my $map = $cf::MAP{$path} or next;
3522	$map->valid or next;	3694	$map->valid or next;
3523	$map->save;	3695	$map->save;
3524	}	3696	}
3525	warn "end emergency map save\n";	3697	warn "emergency_perl_save: end map save\n";
3526		3698
3527	warn "begin emergency database checkpoint\n";	3699	warn "emergency_perl_save: begin database checkpoint\n";
3528	BDB::db_env_txn_checkpoint $DB_ENV;	3700	BDB::db_env_txn_checkpoint $DB_ENV;
3529	warn "end emergency database checkpoint\n";	3701	warn "emergency_perl_save: end database checkpoint\n";
3530		3702
3531	warn "begin write uuid\n";	3703	warn "emergency_perl_save: begin write uuid\n";
3532	write_uuid_sync 1;	3704	write_uuid_sync 1;
3533	warn "end write uuid\n";	3705	warn "emergency_perl_save: end write uuid\n";
3534	};	3706	};
3535		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
3536	warn "leave emergency perl save\n";	3713	warn "emergency_perl_save: leave\n";
3537	}	3714	}
3538		3715
3539	sub post_cleanup {	3716	sub post_cleanup {
3540	my ($make_core) = @_;	3717	my ($make_core) = @_;
3541		3718
…		…
3567	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3568	for my $name (keys %$leaf_symtab) {	3745	for my $name (keys %$leaf_symtab) {
3569	_gv_clear *{"$pkg$name"};	3746	_gv_clear *{"$pkg$name"};
3570	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3571	}	3748	}
3572	warn "cleared package #$pkg\n";#d#	3749	warn "cleared package $pkg\n";#d#
3573	}	3750	}
3574
3575	our $RELOAD; # how many times to reload
3576		3751
3577	sub do_reload_perl() {	3752	sub do_reload_perl() {
3578	# can/must only be called in main	3753	# can/must only be called in main
3579	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
3580	warn "can only reload from main coroutine";	3755	warn "can only reload from main coroutine";
3581	return;	3756	return;
3582	}	3757	}
3583		3758
3584	return if $RELOAD++;	3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
3585		3762
3586	while ($RELOAD) {	3763	while ($RELOAD) {
3587	warn "reloading...";	3764	warn "reloading...";
3588		3765
3589	warn "entering sync_job";	3766	warn "entering sync_job";
…		…
3650	clear_package "safe::$_"	3827	clear_package "safe::$_"
3651	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3652		3829
3653	warn "unloading cf.pm \"a bit\"";	3830	warn "unloading cf.pm \"a bit\"";
3654	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
3655	delete $INC{"cf/pod.pm"};	3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3656		3833
3657	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
3658	# and global variables created in xs	3835	# and global variables created in xs
3659	#clear_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
3660		3837
3661	warn "unload completed, starting to reload now";	3838	warn "unload completed, starting to reload now";
3662		3839
3663	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
3664	require cf;	3841	require cf;
3665	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
3666		3843
3667	warn "loading config and database again";	3844	warn "loading config and database again";
3668	cf::reload_config;	3845	cf::reload_config;
3669		3846
3670	warn "loading extensions";	3847	warn "loading extensions";
3671	cf::load_extensions;	3848	cf::load_extensions;
3672		3849
		3850	if ($REATTACH_ON_RELOAD) {
3673	warn "reattaching attachments to objects/players";	3851	warn "reattaching attachments to objects/players";
3674	_global_reattach; # objects, sockets	3852	_global_reattach; # objects, sockets
3675	warn "reattaching attachments to maps";	3853	warn "reattaching attachments to maps";
3676	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
3677	warn "reattaching attachments to players";	3855	warn "reattaching attachments to players";
3678	reattach $_ for values %PLAYER;	3856	reattach $_ for values %PLAYER;
		3857	}
		3858
		3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
3679		3861
3680	warn "leaving sync_job";	3862	warn "leaving sync_job";
3681		3863
3682	1	3864	1
3683	} or do {	3865	} or do {
…		…
3686	};	3868	};
3687		3869
3688	warn "reloaded";	3870	warn "reloaded";
3689	--$RELOAD;	3871	--$RELOAD;
3690	}	3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
3691	};	3876	};
3692		3877
3693	our $RELOAD_WATCHER; # used only during reload	3878	our $RELOAD_WATCHER; # used only during reload
3694		3879
3695	sub reload_perl() {	3880	sub reload_perl() {
3696	# doing reload synchronously and two reloads happen back-to-back,	3881	# doing reload synchronously and two reloads happen back-to-back,
3697	# coro crashes during coro_state_free->destroy here.	3882	# coro crashes during coro_state_free->destroy here.
3698		3883
		3884	$RELOAD_WATCHER ||= cf::async {
		3885	Coro::AIO::aio_wait cache_extensions;
		3886
3699	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3700	do_reload_perl;	3888	do_reload_perl;
3701	undef $RELOAD_WATCHER;	3889	undef $RELOAD_WATCHER;
		3890	};
3702	};	3891	};
3703	}	3892	}
3704		3893
3705	register_command "reload" => sub {	3894	register_command "reload" => sub {
3706	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
…		…
3720		3909
3721	our @WAIT_FOR_TICK;	3910	our @WAIT_FOR_TICK;
3722	our @WAIT_FOR_TICK_BEGIN;	3911	our @WAIT_FOR_TICK_BEGIN;
3723		3912
3724	sub wait_for_tick {	3913	sub wait_for_tick {
3725	return if tick_inhibit || $Coro::current == $Coro::main;	3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3726		3915
3727	my $signal = new Coro::Signal;	3916	my $signal = new Coro::Signal;
3728	push @WAIT_FOR_TICK, $signal;	3917	push @WAIT_FOR_TICK, $signal;
3729	$signal->wait;	3918	$signal->wait;
3730	}	3919	}
3731		3920
3732	sub wait_for_tick_begin {	3921	sub wait_for_tick_begin {
3733	return if tick_inhibit || $Coro::current == $Coro::main;	3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3734		3923
3735	my $signal = new Coro::Signal;	3924	my $signal = new Coro::Signal;
3736	push @WAIT_FOR_TICK_BEGIN, $signal;	3925	push @WAIT_FOR_TICK_BEGIN, $signal;
3737	$signal->wait;	3926	$signal->wait;
3738	}	3927	}
…		…
3743	unless ++$bug_warning > 10;	3932	unless ++$bug_warning > 10;
3744	return;	3933	return;
3745	}	3934	}
3746		3935
3747	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
		3937
		3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3748		3939
3749	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3750	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3751	Coro::async_pool {	3942	Coro::async_pool {
3752	$Coro::current->{desc} = "runtime saver";	3943	$Coro::current->{desc} = "runtime saver";
…		…
3775	}	3966	}
3776		3967
3777	{	3968	{
3778	# configure BDB	3969	# configure BDB
3779		3970
3780	BDB::min_parallel 8;	3971	BDB::min_parallel 16;
3781	BDB::max_poll_reqs $TICK * 0.1;	3972	BDB::max_poll_reqs $TICK * 0.1;
3782	$AnyEvent::BDB::WATCHER->priority (1);	3973	$AnyEvent::BDB::WATCHER->priority (1);
3783		3974
3784	unless ($DB_ENV) {	3975	unless ($DB_ENV) {
3785	$DB_ENV = BDB::db_env_create;	3976	$DB_ENV = BDB::db_env_create;
…		…
3832	$msg =~ s/\n//;	4023	$msg =~ s/\n//;
3833		4024
3834	# limit the # of concurrent backtraces	4025	# limit the # of concurrent backtraces
3835	if ($_log_backtrace < 2) {	4026	if ($_log_backtrace < 2) {
3836	++$_log_backtrace;	4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
3837	async {	4029	async {
3838	$Coro::current->{desc} = "abt $msg";	4030	$Coro::current->{desc} = "abt $msg";
3839		4031
3840	my @bt = fork_call {	4032	my @bt = fork_call {
3841	@addr = map { sprintf "%x", $_ } @addr;	4033	@addr = map { sprintf "%x", $_ } @addr;
…		…
3852	}	4044	}
3853		4045
3854	@funcs	4046	@funcs
3855	};	4047	};
3856		4048
3857	LOG llevInfo, "[ABT] $msg\n";	4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3858	LOG llevInfo, "[ABT] $_\n" for @bt;	4051	LOG llevInfo, "[ABT] $_\n" for @bt;
3859	--$_log_backtrace;	4052	--$_log_backtrace;
3860	};	4053	};
3861	} else {	4054	} else {
3862	LOG llevInfo, "[ABT] $msg\n";	4055	LOG llevInfo, "[ABT] $msg\n";
3863	LOG llevInfo, "[ABT] [suppressed]\n";	4056	LOG llevInfo, "[ABT] [suppressed]\n";
3864	}	4057	}
3865	}	4058	}
3866		4059
3867	# load additional modules	4060	# load additional modules
3868	use cf::pod;	4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
3869		4063
3870	END { cf::emergency_save }	4064	END { cf::emergency_save }
3871		4065
3872	1	4066	1
3873		4067

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