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Revision 1.439 by root, Mon Jul 14 16:42:49 2008 UTC vs.
Revision 1.527 by root, Fri Apr 23 04:32:47 2010 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
		25	use 5.10.0;
24	use utf8;	26	use utf8;
25	use strict;	27	use strict qw(vars subs);
26		28
27	use Symbol;	29	use Symbol;
28	use List::Util;	30	use List::Util;
29	use Socket;	31	use Socket;
30	use EV;	32	use EV;
31	use Opcode;	33	use Opcode;
32	use Safe;	34	use Safe;
33	use Safe::Hole;	35	use Safe::Hole;
34	use Storable ();	36	use Storable ();
		37	use Carp ();
35		38
		39	use Guard ();
36	use Coro ();	40	use Coro ();
37	use Coro::State;	41	use Coro::State;
38	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
39	use Coro::AnyEvent;	44	use Coro::AnyEvent;
40	use Coro::Timer;	45	use Coro::Timer;
41	use Coro::Signal;	46	use Coro::Signal;
42	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
43	use Coro::AnyEvent;	49	use Coro::AnyEvent;
44	use Coro::AIO;	50	use Coro::AIO;
45	use Coro::BDB 1.6;	51	use Coro::BDB 1.6;
46	use Coro::Storable;	52	use Coro::Storable;
47	use Coro::Util ();	53	use Coro::Util ();
48		54
49	use JSON::XS 2.01 ();	55	use JSON::XS 2.01 ();
50	use BDB ();	56	use BDB ();
51	use Data::Dumper;	57	use Data::Dumper;
52	use Digest::MD5;
53	use Fcntl;	58	use Fcntl;
54	use YAML ();	59	use YAML::XS ();
55	use IO::AIO ();	60	use IO::AIO ();
56	use Time::HiRes;	61	use Time::HiRes;
57	use Compress::LZF;	62	use Compress::LZF;
58	use Digest::MD5 ();	63	use Digest::MD5 ();
59		64
…		…
61		66
62	# configure various modules to our taste	67	# configure various modules to our taste
63	#	68	#
64	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
65	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";
66	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
67		77
68	$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" };
69		80
70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
71		82
72	our %COMMAND = ();	83	our %COMMAND = ();
73	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
76	our %EXTCMD = ();	87	our %EXTCMD = ();
77	our %EXTICMD = ();	88	our %EXTICMD = ();
78	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
79	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
80		91
81	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
82	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
83		96
84	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
85	our $DATADIR = datadir;	98	our $DATADIR = datadir;
86	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
87	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
88	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
89	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
90	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
94	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
95	our %RESOURCE;	111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 0;#d#
96		118
97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99	our $NEXT_TICK;	121	our $NEXT_TICK;
100	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
101		123
102	our $BDB_DEADLOCK_WATCHER;	124	our $BDB_DEADLOCK_WATCHER;
103	our $BDB_CHECKPOINT_WATCHER;	125	our $BDB_CHECKPOINT_WATCHER;
104	our $BDB_TRICKLE_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
105	our $DB_ENV;	127	our $DB_ENV;
106		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
		130
107	our %CFG;	131	our %CFG;
108		132
109	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
110	our $RUNTIME;	134	our $RUNTIME;
111	our $NOW;	135	our $NOW;
…		…
120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
122	our $JITTER; # average jitter	146	our $JITTER; # average jitter
123	our $TICK_START; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
124		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
125	binmode STDOUT;	154	binmode STDOUT;
126	binmode STDERR;	155	binmode STDERR;
127		156
128	# read virtual server time, if available	157	# read virtual server time, if available
129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
130	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
131	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
132	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
133	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
134		165
135	mkdir $_	166	mkdir $_
136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137		168
138	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
139		170
140	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
141		187
142	#############################################################################	188	#############################################################################
143		189
144	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
145		191
…		…
192	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
194		240
195	=item @cf::INVOKE_RESULTS	241	=item @cf::INVOKE_RESULTS
196		242
197	This array contains the results of the last C<invoke ()> call. When	243	This array contains the results of the last C<invoke ()> call. When
198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199	that call.	245	that call.
200		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
201	=back	253	=back
202		254
203	=cut	255	=cut
204		256
205	BEGIN {	257	$Coro::State::WARNHOOK = sub {
206	*CORE::GLOBAL::warn = sub {
207	my $msg = join "", @_;	258	my $msg = join "", @_;
208		259
209	$msg .= "\n"	260	$msg .= "\n"
210	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
211		262
212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
213		264
214	LOG llevError, $msg;	265	LOG llevError, $msg;
215	};	266	};
216	}
217		267
218	$Coro::State::DIEHOOK = sub {	268	$Coro::State::DIEHOOK = sub {
219	return unless $^S eq 0; # "eq", not "=="	269	return unless $^S eq 0; # "eq", not "=="
220		270
221	if ($Coro::current == $Coro::main) {#d#	271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
222	warn "DIEHOOK called in main context, Coro bug?\n";#d#	274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
223	return;#d#	275	return;#d#
224	}#d#	276	}#d#
225		277
226	# kill coroutine otherwise	278	# kill coroutine otherwise
227	warn Carp::longmess $_[0];
228	Coro::terminate	279	Coro::terminate
229	};	280	};
230
231	$SIG{__DIE__} = sub { }; #d#?
232		281
233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
243	for my $pkg (qw(	292	for my $pkg (qw(
244	cf::global cf::attachable	293	cf::global cf::attachable
245	cf::object cf::object::player	294	cf::object cf::object::player
246	cf::client cf::player	295	cf::client cf::player
247	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
248	cf::map cf::party cf::region	298	cf::party cf::region
249	)) {	299	)) {
250	no strict 'refs';
251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252	}	301	}
253		302
254	$EV::DIED = sub {	303	$EV::DIED = sub {
255	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
256	};	305	};
257		306
258	#############################################################################	307	#############################################################################
259		308
260	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
…		…
297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298		347
299	sub encode_json($) { $json_coder->encode ($_[0]) }	348	sub encode_json($) { $json_coder->encode ($_[0]) }
300	sub decode_json($) { $json_coder->decode ($_[0]) }	349	sub decode_json($) { $json_coder->decode ($_[0]) }
301		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
		363	}
		364
302	=item cf::lock_wait $string	365	=item cf::lock_wait $string
303		366
304	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
305		368
306	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
307		370
308	Wait until the given lock is available and then acquires it and returns	371	Wait until the given lock is available and then acquires it and returns
309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	372	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
310	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
311	returned.	374	returned.
312		375
313	Locks are *not* recursive, locking from the same coro twice results in a	376	Locks are *not* recursive, locking from the same coro twice results in a
314	deadlocked coro.	377	deadlocked coro.
…		…
320		383
321	Return true if the lock is currently active, i.e. somebody has locked it.	384	Return true if the lock is currently active, i.e. somebody has locked it.
322		385
323	=cut	386	=cut
324		387
325	our %LOCK;	388	our $LOCKS = new Coro::SemaphoreSet;
326	our %LOCKER;#d#
327		389
328	sub lock_wait($) {	390	sub lock_wait($) {
329	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
330
331	if ($LOCKER{$key} == $Coro::current) {#d#
332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333	return;#d#
334	}#d#
335
336	# wait for lock, if any
337	while ($LOCK{$key}) {
338	push @{ $LOCK{$key} }, $Coro::current;
339	Coro::schedule;
340	}
341	}	392	}
342		393
343	sub lock_acquire($) {	394	sub lock_acquire($) {
344	my ($key) = @_;	395	$LOCKS->guard ($_[0])
345
346	# wait, to be sure we are not locked
347	lock_wait $key;
348
349	$LOCK{$key} = [];
350	$LOCKER{$key} = $Coro::current;#d#
351
352	Coro::guard {
353	delete $LOCKER{$key};#d#
354	# wake up all waiters, to be on the safe side
355	$_->ready for @{ delete $LOCK{$key} };
356	}
357	}	396	}
358		397
359	sub lock_active($) {	398	sub lock_active($) {
360	my ($key) = @_;	399	$LOCKS->count ($_[0]) < 1
361
362	! ! $LOCK{$key}
363	}	400	}
364		401
365	sub freeze_mainloop {	402	sub freeze_mainloop {
366	tick_inhibit_inc;	403	tick_inhibit_inc;
367		404
368	Coro::guard \&tick_inhibit_dec;	405	&Guard::guard (\&tick_inhibit_dec);
369	}	406	}
370		407
371	=item cf::periodic $interval, $cb	408	=item cf::periodic $interval, $cb
372		409
373	Like EV::periodic, but randomly selects a starting point so that the actions	410	Like EV::periodic, but randomly selects a starting point so that the actions
374	get spread over timer.	411	get spread over time.
375		412
376	=cut	413	=cut
377		414
378	sub periodic($$) {	415	sub periodic($$) {
379	my ($interval, $cb) = @_;	416	my ($interval, $cb) = @_;
…		…
396		433
397	=cut	434	=cut
398		435
399	our @SLOT_QUEUE;	436	our @SLOT_QUEUE;
400	our $SLOT_QUEUE;	437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
401		439
402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403	$SLOT_QUEUE = Coro::async {	441	$SLOT_QUEUE = Coro::async {
404	$Coro::current->desc ("timeslot manager");	442	$Coro::current->desc ("timeslot manager");
405		443
406	my $signal = new Coro::Signal;	444	my $signal = new Coro::Signal;
		445	my $busy;
407		446
408	while () {	447	while () {
409	next_job:	448	next_job:
		449
410	my $avail = cf::till_tick;	450	my $avail = cf::till_tick;
411	if ($avail > 0.01) {	451
412	for (0 .. $#SLOT_QUEUE) {	452	for (0 .. $#SLOT_QUEUE) {
413	if ($SLOT_QUEUE[$_][0] < $avail) {	453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
414	my $job = splice @SLOT_QUEUE, $_, 1, ();	455	my $job = splice @SLOT_QUEUE, $_, 1, ();
415	$job->[2]->send;	456	$job->[2]->send;
416	Coro::cede;	457	Coro::cede;
417	goto next_job;	458	goto next_job;
418	}	459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
419	}	461	}
420	}	462	}
421		463
422	if (@SLOT_QUEUE) {	464	if (@SLOT_QUEUE) {
423	# we do not use wait_for_tick() as it returns immediately when tick is inactive	465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
424	push @cf::WAIT_FOR_TICK, $signal;	466	push @cf::WAIT_FOR_TICK, $signal;
425	$signal->wait;	467	$signal->wait;
426	} else {	468	} else {
		469	$busy = 0;
427	Coro::schedule;	470	Coro::schedule;
428	}	471	}
429	}	472	}
430	};	473	};
431		474
432	sub get_slot($;$$) {	475	sub get_slot($;$$) {
433	return if tick_inhibit || $Coro::current == $Coro::main;	476	return if tick_inhibit || $Coro::current == $Coro::main;
434		477
435	my ($time, $pri, $name) = @_;	478	my ($time, $pri, $name) = @_;
436		479
437	$time = $TICK * .6 if $time > $TICK * .6;	480	$time = clamp $time, 0.01, $TICK * .6;
		481
438	my $sig = new Coro::Signal;	482	my $sig = new Coro::Signal;
439		483
440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442	$SLOT_QUEUE->ready;	486	$SLOT_QUEUE->ready;
…		…
469		513
470	sub sync_job(&) {	514	sub sync_job(&) {
471	my ($job) = @_;	515	my ($job) = @_;
472		516
473	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
474	my $time = EV::time;	518	my $time = AE::time;
475		519
476	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
477	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
478		522
479	LOG llevError, Carp::longmess "sync job";#d#	523	LOG llevError, Carp::longmess "sync job";#d#
…		…
496	} else {	540	} else {
497	EV::loop EV::LOOP_ONESHOT;	541	EV::loop EV::LOOP_ONESHOT;
498	}	542	}
499	}	543	}
500		544
501	my $time = EV::time - $time;	545	my $time = AE::time - $time;
502		546
503	$TICK_START += $time; # do not account sync jobs to server load	547	$TICK_START += $time; # do not account sync jobs to server load
504		548
505	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
506	} else {	550	} else {
…		…
550	reset_signals;	594	reset_signals;
551	&$cb	595	&$cb
552	}, @args;	596	}, @args;
553		597
554	wantarray ? @res : $res[-1]	598	wantarray ? @res : $res[-1]
		599	}
		600
		601	sub objinfo {
		602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
555	}	610	}
556		611
557	=item $coin = coin_from_name $name	612	=item $coin = coin_from_name $name
558		613
559	=cut	614	=cut
…		…
725		780
726	#############################################################################	781	#############################################################################
727		782
728	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
729		784
730	Many objects in crossfire are so-called attachable objects. That means you can	785	Many objects in deliantra are so-called attachable objects. That means you can
731	attach callbacks/event handlers (a collection of which is called an "attachment")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
732	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
733		788
734	In the following description, CLASS can be any of C<global>, C<object>	789	In the following description, CLASS can be any of C<global>, C<object>
735	C<player>, C<client> or C<map> (i.e. the attachable objects in	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
785	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
786		841
787	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
788	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
789		844
790	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
791	that are attached at load/instantiate time, thus the need for a name.	846	that are attached at load/instantiate time, thus the need for a name.
792		847
793	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
794		849
795	=over 4	850	=over 4
…		…
1086		1141
1087	sub reattach {	1142	sub reattach {
1088	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
1089	my ($obj) = @_;	1144	my ($obj) = @_;
1090		1145
		1146	# no longer needed after getting rid of delete_package?
1091	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1092		1148
1093	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
1094		1150
1095	@$registry = ();	1151	@$registry = ();
1096		1152
…		…
1139		1195
1140	sync_job {	1196	sync_job {
1141	if (length $$rdata) {	1197	if (length $$rdata) {
1142	utf8::decode (my $decname = $filename);	1198	utf8::decode (my $decname = $filename);
1143	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
1144	$decname, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
1145		1202
1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1147	aio_chmod $fh, SAVE_MODE;	1204	aio_chmod $fh, SAVE_MODE;
1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1149	aio_fsync $fh if $cf::USE_FSYNC;	1206	if ($cf::USE_FSYNC) {
		1207	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;
		1208	aio_fsync $fh;
		1209	}
1150	aio_close $fh;	1210	aio_close $fh;
1151		1211
1152	if (@$objs) {	1212	if (@$objs) {
1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1154	aio_chmod $fh, SAVE_MODE;	1214	aio_chmod $fh, SAVE_MODE;
1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1156	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
1157	aio_fsync $fh if $cf::USE_FSYNC;	1217	if ($cf::USE_FSYNC) {
		1218	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;
		1219	aio_fsync $fh;
		1220	}
1158	aio_close $fh;	1221	aio_close $fh;
1159	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
1160	}	1223	}
1161	} else {	1224	} else {
1162	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
1163	}	1226	}
1164		1227
1165	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
1166	} else {	1232	} else {
1167	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
1168	}	1234	}
1169	} else {	1235	} else {
1170	aio_unlink $filename;	1236	aio_unlink $filename;
1171	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
1172	}	1238	}
…		…
1197	$av = $st->{objs};	1263	$av = $st->{objs};
1198	}	1264	}
1199		1265
1200	utf8::decode (my $decname = $filename);	1266	utf8::decode (my $decname = $filename);
1201	warn sprintf "loading %s (%d,%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
1202	$decname, length $data, scalar @{$av || []};	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
1203		1270
1204	($data, $av)	1271	($data, $av)
1205	}	1272	}
1206		1273
1207	=head2 COMMAND CALLBACKS	1274	=head2 COMMAND CALLBACKS
…		…
1263	my ($name, $cb) = @_;	1330	my ($name, $cb) = @_;
1264		1331
1265	$EXTICMD{$name} = $cb;	1332	$EXTICMD{$name} = $cb;
1266	}	1333	}
1267		1334
		1335	use File::Glob ();
		1336
1268	cf::player->attach (	1337	cf::player->attach (
1269	on_command => sub {	1338	on_unknown_command => sub {
1270	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
1271		1340
1272	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
1273	or return;	1342	or return;
1274		1343
…		…
1304		1373
1305	cf::override;	1374	cf::override;
1306	},	1375	},
1307	);	1376	);
1308		1377
		1378	# "readahead" all extensions
		1379	sub cache_extensions {
		1380	my $grp = IO::AIO::aio_group;
		1381
		1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1383	for (grep /\.ext$/, @{$_[0]}) {
		1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1385	}
		1386	};
		1387
		1388	$grp
		1389	}
		1390
1309	sub load_extensions {	1391	sub load_extensions {
1310	cf::sync_job {	1392	cf::sync_job {
1311	my %todo;	1393	my %todo;
1312		1394
1313	for my $path (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
…		…
1332		1414
1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335		1417
1336	$ext{source} =	1418	$ext{source} =
1337	"package $pkg; use strict; use utf8;\n"	1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1338	. "#line 1 \"$path\"\n{\n"	1420	. "#line 1 \"$path\"\n{\n"
1339	. $source	1421	. $source
1340	. "\n};\n1";	1422	. "\n};\n1";
1341		1423
1342	$todo{$base} = \%ext;	1424	$todo{$base} = \%ext;
1343	}	1425	}
1344		1426
		1427	my $pass = 0;
1345	my %done;	1428	my %done;
1346	while (%todo) {	1429	while (%todo) {
1347	my $progress;	1430	my $progress;
1348		1431
		1432	++$pass;
		1433
		1434	ext:
1349	while (my ($k, $v) = each %todo) {	1435	while (my ($k, $v) = each %todo) {
1350	for (split /,\s*/, $v->{meta}{depends}) {	1436	for (split /,\s*/, $v->{meta}{depends}) {
1351	goto skip	1437	next ext
1352	unless exists $done{$_};	1438	unless exists $done{$_};
1353	}	1439	}
1354		1440
1355	warn "... loading '$k' into '$v->{pkg}'\n";	1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1356		1442
1357	unless (eval $v->{source}) {	1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
1358	my $msg = $@ ? "$v->{path}: $@\n"	1446	warn "$v->{path}: $@\n";
1359	: "$v->{base}: extension inactive.\n";
1360		1447
1361	if (exists $v->{meta}{mandatory}) {
1362	warn $msg;
1363	cf::cleanup "mandatory extension failed to load, exiting.";	1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1364	}	1449	if exists $v->{meta}{mandatory};
1365		1450
1366	warn $msg;	1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1452	delete $todo{$k};
		1453	} else {
		1454	$done{$k} = delete $todo{$k};
		1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
1367	}	1460	}
1368
1369	$done{$k} = delete $todo{$k};
1370	push @EXTS, $v->{pkg};
1371	$progress = 1;
1372	}	1461	}
1373		1462
1374	skip:	1463	unless ($progress) {
1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1376	unless $progress;	1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
1377	}	1471	}
1378	};	1472	};
1379	}	1473	}
1380		1474
1381	#############################################################################	1475	#############################################################################
1382		1476
1383	=back	1477	=back
1384		1478
1385	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
1386		1480
1387	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
1388		1482
1389	=cut	1483	=cut
1390		1484
1391	package cf::player;	1485	package cf::player;
1392		1486
…		…
1435		1529
1436	sub exists($) {	1530	sub exists($) {
1437	my ($login) = @_;	1531	my ($login) = @_;
1438		1532
1439	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
1440	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
1441	}	1535	}
1442		1536
1443	sub find($) {	1537	sub find($) {
1444	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
1445	my $login = $_[0];	1539	my $login = $_[0];
…		…
1465	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1466	}	1560	}
1467	}	1561	}
1468	}	1562	}
1469		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
		1576
1470	sub save($) {	1577	sub save($) {
1471	my ($pl) = @_;	1578	my ($pl) = @_;
1472		1579
1473	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1474		1581
…		…
1479		1586
1480	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1481	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1482		1589
1483	cf::get_slot 0.01;	1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1484		1594
1485	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1486	cf::cede_to_tick;	1596	cf::cede_to_tick;
1487	}	1597	}
1488		1598
…		…
1520	my ($pl) = @_;	1630	my ($pl) = @_;
1521		1631
1522	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1523		1633
1524	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1525	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1526		1636
1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1528	$pl->deactivate;	1638	$pl->deactivate;
1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530	$pl->ob->check_score;	1640	$pl->ob->check_score;
…		…
1590	\@logins	1700	\@logins
1591	}	1701	}
1592		1702
1593	=item $player->maps	1703	=item $player->maps
1594		1704
		1705	=item cf::player::maps $login
		1706
1595	Returns an arrayref of map paths that are private for this	1707	Returns an arrayref of map paths that are private for this
1596	player. May block.	1708	player. May block.
1597		1709
1598	=cut	1710	=cut
1599		1711
…		…
1616	}	1728	}
1617		1729
1618	\@paths	1730	\@paths
1619	}	1731	}
1620		1732
1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1733	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622		1734
1623	Expand crossfire pod fragments into protocol xml.	1735	Expand deliantra pod fragments into protocol xml.
1624
1625	=cut
1626
1627	use re 'eval';
1628
1629	my $group;
1630	my $interior; $interior = qr{
1631	# match a pod interior sequence sans C<< >>
1632	(?:
1633	\ (.*?)\ (?{ $group = $^N })
1634	| < (??{$interior}) >
1635	)
1636	}x;
1637
1638	sub expand_cfpod {
1639	my ($self, $pod) = @_;
1640
1641	my $xml;
1642
1643	while () {
1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645	$group = $1;
1646
1647	$group =~ s/&/&amp;/g;
1648	$group =~ s/</&lt;/g;
1649
1650	$xml .= $group;
1651	} elsif ($pod =~ m%\G
1652	([BCGHITU])
1653	<
1654	(?:
1655	([^<>]*) (?{ $group = $^N })
1656	| < $interior >
1657	)
1658	>
1659	%gcsx
1660	) {
1661	my ($code, $data) = ($1, $group);
1662
1663	if ($code eq "B") {
1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665	} elsif ($code eq "I") {
1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667	} elsif ($code eq "U") {
1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669	} elsif ($code eq "C") {
1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671	} elsif ($code eq "T") {
1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673	} elsif ($code eq "G") {
1674	my ($male, $female) = split /\|/, $data;
1675	$data = $self->gender ? $female : $male;
1676	$xml .= expand_cfpod ($self, $data);
1677	} elsif ($code eq "H") {
1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680	"")
1681	[$self->{hintmode}];
1682	} else {
1683	$xml .= "error processing '$code($data)' directive";
1684	}
1685	} else {
1686	if ($pod =~ /\G(.+)/) {
1687	warn "parse error while expanding $pod (at $1)";
1688	}
1689	last;
1690	}
1691	}
1692
1693	for ($xml) {
1694	# create single paragraphs (very hackish)
1695	s/(?<=\S)\n(?=\w)/ /g;
1696
1697	# compress some whitespace
1698	s/\s+\n/\n/g; # ws line-ends
1699	s/\n\n+/\n/g; # double lines
1700	s/^\n+//; # beginning lines
1701	s/\n+$//; # ending lines
1702	}
1703
1704	$xml
1705	}
1706
1707	no re 'eval';
1708
1709	sub hintmode {
1710	$_[0]{hintmode} = $_[1] if @_ > 1;
1711	$_[0]{hintmode}
1712	}
1713		1736
1714	=item $player->ext_reply ($msgid, @msg)	1737	=item $player->ext_reply ($msgid, @msg)
1715		1738
1716	Sends an ext reply to the player.	1739	Sends an ext reply to the player.
1717		1740
…		…
1749		1772
1750	=cut	1773	=cut
1751		1774
1752	sub find_by_path($) {	1775	sub find_by_path($) {
1753	my ($path) = @_;	1776	my ($path) = @_;
		1777
		1778	$path =~ s/^~[^\/]*//; # skip ~login
1754		1779
1755	my ($match, $specificity);	1780	my ($match, $specificity);
1756		1781
1757	for my $region (list) {	1782	for my $region (list) {
1758	if ($region->{match} && $path =~ $region->{match}) {	1783	if ($region->{match} && $path =~ $region->{match}) {
…		…
1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1815	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1791		1816
1792	# mit "rum" bekleckern, nicht	1817	# mit "rum" bekleckern, nicht
1793	$self->_create_random_map (	1818	$self->_create_random_map (
1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1819	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1820	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1821	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1797	$rmp->{exit_on_final_map},	1822	$rmp->{exit_on_final_map},
1798	$rmp->{xsize}, $rmp->{ysize},	1823	$rmp->{xsize}, $rmp->{ysize},
1799	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1824	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1800	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1825	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1822		1847
1823	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1848	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1824	}	1849	}
1825		1850
1826	# also paths starting with '/'	1851	# also paths starting with '/'
1827	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1852	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1828		1853
1829	sub thawer_merge {	1854	sub thawer_merge {
1830	my ($self, $merge) = @_;	1855	my ($self, $merge) = @_;
1831		1856
1832	# we have to keep some variables in memory intact	1857	# we have to keep some variables in memory intact
…		…
1930		1955
1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932	"$UNIQUEDIR/$path"	1957	"$UNIQUEDIR/$path"
1933	}	1958	}
1934		1959
1935	# and all this just because we cannot iterate over
1936	# all maps in C++...
1937	sub change_all_map_light {
1938	my ($change) = @_;
1939
1940	$_->change_map_light ($change)
1941	for grep $_->outdoor, values %cf::MAP;
1942	}
1943
1944	sub decay_objects {	1960	sub decay_objects {
1945	my ($self) = @_;	1961	my ($self) = @_;
1946		1962
1947	return if $self->{deny_reset};	1963	return if $self->{deny_reset};
1948		1964
…		…
2030	sub find {	2046	sub find {
2031	my ($path, $origin) = @_;	2047	my ($path, $origin) = @_;
2032		2048
2033	$path = normalise $path, $origin && $origin->path;	2049	$path = normalise $path, $origin && $origin->path;
2034		2050
2035	cf::lock_wait "map_data:$path";#d#remove	2051	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036	cf::lock_wait "map_find:$path";	2052	my $guard2 = cf::lock_acquire "map_find:$path";
2037		2053
2038	$cf::MAP{$path} || do {	2054	$cf::MAP{$path} || do {
2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2040	my $guard2 = cf::lock_acquire "map_find:$path";
2041
2042	my $map = new_from_path cf::map $path	2055	my $map = new_from_path cf::map $path
2043	or return;	2056	or return;
2044		2057
2045	$map->{last_save} = $cf::RUNTIME;	2058	$map->{last_save} = $cf::RUNTIME;
2046		2059
…		…
2058		2071
2059	$cf::MAP{$path} = $map	2072	$cf::MAP{$path} = $map
2060	}	2073	}
2061	}	2074	}
2062		2075
2063	sub pre_load { }	2076	sub pre_load { }
2064	sub post_load { }	2077	#sub post_load { } # XS
2065		2078
2066	sub load {	2079	sub load {
2067	my ($self) = @_;	2080	my ($self) = @_;
2068		2081
2069	local $self->{deny_reset} = 1; # loading can take a long time	2082	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2114	unless ($self->{deny_activate}) {	2127	unless ($self->{deny_activate}) {
2115	$self->decay_objects;	2128	$self->decay_objects;
2116	$self->fix_auto_apply;	2129	$self->fix_auto_apply;
2117	$self->update_buttons;	2130	$self->update_buttons;
2118	cf::cede_to_tick;	2131	cf::cede_to_tick;
2119	$self->set_darkness_map;
2120	cf::cede_to_tick;
2121	$self->activate;	2132	$self->activate;
2122	}	2133	}
2123		2134
2124	$self->{last_save} = $cf::RUNTIME;	2135	$self->{last_save} = $cf::RUNTIME;
2125	$self->last_access ($cf::RUNTIME);	2136	$self->last_access ($cf::RUNTIME);
…		…
2128	}	2139	}
2129		2140
2130	$self->post_load;	2141	$self->post_load;
2131	}	2142	}
2132		2143
		2144	# customize the map for a given player, i.e.
		2145	# return the _real_ map. used by e.g. per-player
		2146	# maps to change the path to ~playername/mappath
2133	sub customise_for {	2147	sub customise_for {
2134	my ($self, $ob) = @_;	2148	my ($self, $ob) = @_;
2135		2149
2136	return find "~" . $ob->name . "/" . $self->{path}	2150	return find "~" . $ob->name . "/" . $self->{path}
2137	if $self->per_player;	2151	if $self->per_player;
…		…
2153	or next;	2167	or next;
2154	$neigh = find $neigh, $map	2168	$neigh = find $neigh, $map
2155	or next;	2169	or next;
2156	$neigh->load;	2170	$neigh->load;
2157		2171
		2172	# now find the diagonal neighbours
2158	push @neigh,	2173	push @neigh,
2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2174	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2175	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2161	}	2176	}
2162		2177
…		…
2214	$MAP_PREFETCHER->prio (6);	2229	$MAP_PREFETCHER->prio (6);
2215		2230
2216	()	2231	()
2217	}	2232	}
2218		2233
		2234	# common code, used by both ->save and ->swapout
2219	sub save {	2235	sub _save {
2220	my ($self) = @_;	2236	my ($self) = @_;
2221
2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
2223		2237
2224	$self->{last_save} = $cf::RUNTIME;	2238	$self->{last_save} = $cf::RUNTIME;
2225		2239
2226	return unless $self->dirty;	2240	return unless $self->dirty;
2227		2241
…		…
2247	} else {	2261	} else {
2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2262	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2249	}	2263	}
2250	}	2264	}
2251		2265
		2266	sub save {
		2267	my ($self) = @_;
		2268
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
		2271	$self->_save;
		2272	}
		2273
2252	sub swap_out {	2274	sub swap_out {
2253	my ($self) = @_;	2275	my ($self) = @_;
2254		2276
2255	# save first because save cedes
2256	$self->save;
2257
2258	my $lock = cf::lock_acquire "map_data:$self->{path}";	2277	my $lock = cf::lock_acquire "map_data:$self->{path}";
2259		2278
2260	return if $self->players;
2261	return if $self->in_memory != cf::MAP_ACTIVE;	2279	return if $self->in_memory != cf::MAP_ACTIVE;
2262	return if $self->{deny_save};	2280	return if $self->{deny_save};
		2281	return if $self->players;
2263		2282
		2283	# first deactivate the map and "unlink" it from the core
		2284	$self->deactivate;
		2285	$_->clear_links_to ($self) for values %cf::MAP;
2264	$self->in_memory (cf::MAP_SWAPPED);	2286	$self->in_memory (cf::MAP_SWAPPED);
		2287
		2288	# then atomically save
		2289	$self->_save;
		2290
		2291	# then free the map
		2292	$self->clear;
		2293	}
		2294
		2295	sub reset_at {
		2296	my ($self) = @_;
		2297
		2298	# TODO: safety, remove and allow resettable per-player maps
		2299	return 1e99 if $self->{deny_reset};
		2300
		2301	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2302	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2303
		2304	$time + $to
		2305	}
		2306
		2307	sub should_reset {
		2308	my ($self) = @_;
		2309
		2310	$self->reset_at <= $cf::RUNTIME
		2311	}
		2312
		2313	sub reset {
		2314	my ($self) = @_;
		2315
		2316	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2317
		2318	return if $self->players;
		2319
		2320	warn "resetting map ", $self->path, "\n";
		2321
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# need to save uniques path
		2325	unless ($self->{deny_save}) {
		2326	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2327
		2328	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2329	if $uniq;
		2330	}
		2331
		2332	delete $cf::MAP{$self->path};
2265		2333
2266	$self->deactivate;	2334	$self->deactivate;
2267	$_->clear_links_to ($self) for values %cf::MAP;	2335	$_->clear_links_to ($self) for values %cf::MAP;
2268	$self->clear;	2336	$self->clear;
2269	}
2270
2271	sub reset_at {
2272	my ($self) = @_;
2273
2274	# TODO: safety, remove and allow resettable per-player maps
2275	return 1e99 if $self->{deny_reset};
2276
2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2279
2280	$time + $to
2281	}
2282
2283	sub should_reset {
2284	my ($self) = @_;
2285
2286	$self->reset_at <= $cf::RUNTIME
2287	}
2288
2289	sub reset {
2290	my ($self) = @_;
2291
2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
2293
2294	return if $self->players;
2295
2296	warn "resetting map ", $self->path;
2297
2298	$self->in_memory (cf::MAP_SWAPPED);
2299
2300	# need to save uniques path
2301	unless ($self->{deny_save}) {
2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
2303
2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2305	if $uniq;
2306	}
2307
2308	delete $cf::MAP{$self->path};
2309
2310	$self->deactivate;
2311	$_->clear_links_to ($self) for values %cf::MAP;
2312	$self->clear;
2313		2337
2314	$self->unlink_save;	2338	$self->unlink_save;
2315	$self->destroy;	2339	$self->destroy;
2316	}	2340	}
2317		2341
…		…
2325		2349
2326	delete $cf::MAP{$self->path};	2350	delete $cf::MAP{$self->path};
2327		2351
2328	$self->unlink_save;	2352	$self->unlink_save;
2329		2353
2330	bless $self, "cf::map";	2354	bless $self, "cf::map::wrap";
2331	delete $self->{deny_reset};	2355	delete $self->{deny_reset};
2332	$self->{deny_save} = 1;	2356	$self->{deny_save} = 1;
2333	$self->reset_timeout (1);	2357	$self->reset_timeout (1);
2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2358	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2335		2359
…		…
2392	: normalise $_	2416	: normalise $_
2393	} @{ aio_readdir $UNIQUEDIR or [] }	2417	} @{ aio_readdir $UNIQUEDIR or [] }
2394	]	2418	]
2395	}	2419	}
2396		2420
		2421	=item cf::map::static_maps
		2422
		2423	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2424	file in the shared directory excluding F</styles> and F</editor>). May
		2425	block.
		2426
		2427	=cut
		2428
		2429	sub static_maps() {
		2430	my @dirs = "";
		2431	my @maps;
		2432
		2433	while (@dirs) {
		2434	my $dir = shift @dirs;
		2435
		2436	next if $dir eq "/styles" || $dir eq "/editor";
		2437
		2438	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2439	or return;
		2440
		2441	for (@$files) {
		2442	s/\.map$// or next;
		2443	utf8::decode $_;
		2444	push @maps, "$dir/$_";
		2445	}
		2446
		2447	push @dirs, map "$dir/$_", @$dirs;
		2448	}
		2449
		2450	\@maps
		2451	}
		2452
2397	=back	2453	=back
2398		2454
2399	=head3 cf::object	2455	=head3 cf::object
2400		2456
2401	=cut	2457	=cut
…		…
2466		2522
2467	our $SAY_CHANNEL = {	2523	our $SAY_CHANNEL = {
2468	id => "say",	2524	id => "say",
2469	title => "Map",	2525	title => "Map",
2470	reply => "say ",	2526	reply => "say ",
2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2527	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2472	};	2528	};
2473		2529
2474	our $CHAT_CHANNEL = {	2530	our $CHAT_CHANNEL = {
2475	id => "chat",	2531	id => "chat",
2476	title => "Chat",	2532	title => "Chat",
…		…
2531		2587
2532	=item $player_object->enter_link	2588	=item $player_object->enter_link
2533		2589
2534	Freezes the player and moves him/her to a special map (C<{link}>).	2590	Freezes the player and moves him/her to a special map (C<{link}>).
2535		2591
2536	The player should be reasonably safe there for short amounts of time. You	2592	The player should be reasonably safe there for short amounts of time (e.g.
2537	I<MUST> call C<leave_link> as soon as possible, though.	2593	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2594	though, as the player cannot control the character while it is on the link
		2595	map.
2538		2596
2539	Will never block.	2597	Will never block.
2540		2598
2541	=item $player_object->leave_link ($map, $x, $y)	2599	=item $player_object->leave_link ($map, $x, $y)
2542		2600
…		…
2562	sub cf::object::player::enter_link {	2620	sub cf::object::player::enter_link {
2563	my ($self) = @_;	2621	my ($self) = @_;
2564		2622
2565	$self->deactivate_recursive;	2623	$self->deactivate_recursive;
2566		2624
		2625	++$self->{_link_recursion};
		2626
2567	return if UNIVERSAL::isa $self->map, "ext::map_link";	2627	return if UNIVERSAL::isa $self->map, "ext::map_link";
2568		2628
2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2629	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2570	if $self->map && $self->map->{path} ne "{link}";	2630	if $self->map && $self->map->{path} ne "{link}";
2571		2631
2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2632	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2573	}	2633	}
2574		2634
2575	sub cf::object::player::leave_link {	2635	sub cf::object::player::leave_link {
2576	my ($self, $map, $x, $y) = @_;	2636	my ($self, $map, $x, $y) = @_;
2577		2637
…		…
2594	($x, $y) = (-1, -1)	2654	($x, $y) = (-1, -1)
2595	unless (defined $x) && (defined $y);	2655	unless (defined $x) && (defined $y);
2596		2656
2597	# use -1 or undef as default coordinates, not 0, 0	2657	# use -1 or undef as default coordinates, not 0, 0
2598	($x, $y) = ($map->enter_x, $map->enter_y)	2658	($x, $y) = ($map->enter_x, $map->enter_y)
2599	if $x <=0 && $y <= 0;	2659	if $x <= 0 && $y <= 0;
2600		2660
2601	$map->load;	2661	$map->load;
2602	$map->load_neighbours;	2662	$map->load_neighbours;
2603		2663
2604	return unless $self->contr->active;	2664	return unless $self->contr->active;
2605	$self->activate_recursive;
2606		2665
2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2666	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608	$self->enter_map ($map, $x, $y);	2667	if ($self->enter_map ($map, $x, $y)) {
2609	}	2668	# entering was successful
		2669	delete $self->{_link_recursion};
		2670	# only activate afterwards, to support waiting in hooks
		2671	$self->activate_recursive;
		2672	}
2610		2673
		2674	}
		2675
2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2676	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2612		2677
2613	Moves the player to the given map-path and coordinates by first freezing	2678	Moves the player to the given map-path and coordinates by first freezing
2614	her, loading and preparing them map, calling the provided $check callback	2679	her, loading and preparing them map, calling the provided $check callback
2615	that has to return the map if sucecssful, and then unfreezes the player on	2680	that has to return the map if sucecssful, and then unfreezes the player on
2616	the new (success) or old (failed) map position. In either case, $done will	2681	the new (success) or old (failed) map position. In either case, $done will
…		…
2623		2688
2624	our $GOTOGEN;	2689	our $GOTOGEN;
2625		2690
2626	sub cf::object::player::goto {	2691	sub cf::object::player::goto {
2627	my ($self, $path, $x, $y, $check, $done) = @_;	2692	my ($self, $path, $x, $y, $check, $done) = @_;
		2693
		2694	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2695	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2696	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2697	($path, $x, $y) = @$EMERGENCY_POSITION;
		2698	}
2628		2699
2629	# do generation counting so two concurrent goto's will be executed in-order	2700	# do generation counting so two concurrent goto's will be executed in-order
2630	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2701	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2631		2702
2632	$self->enter_link;	2703	$self->enter_link;
…		…
2656	my $map = eval {	2727	my $map = eval {
2657	my $map = defined $path ? cf::map::find $path : undef;	2728	my $map = defined $path ? cf::map::find $path : undef;
2658		2729
2659	if ($map) {	2730	if ($map) {
2660	$map = $map->customise_for ($self);	2731	$map = $map->customise_for ($self);
2661	$map = $check->($map) if $check && $map;	2732	$map = $check->($map, $x, $y, $self) if $check && $map;
2662	} else {	2733	} else {
2663	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2734	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2664	}	2735	}
2665		2736
2666	$map	2737	$map
…		…
2674	if ($gen == $self->{_goto_generation}) {	2745	if ($gen == $self->{_goto_generation}) {
2675	delete $self->{_goto_generation};	2746	delete $self->{_goto_generation};
2676	$self->leave_link ($map, $x, $y);	2747	$self->leave_link ($map, $x, $y);
2677	}	2748	}
2678		2749
2679	$done->() if $done;	2750	$done->($self) if $done;
2680	})->prio (1);	2751	})->prio (1);
2681	}	2752	}
2682		2753
2683	=item $player_object->enter_exit ($exit_object)	2754	=item $player_object->enter_exit ($exit_object)
2684		2755
…		…
2772	$self->contr->savebed ($map, $x, $y)	2843	$self->contr->savebed ($map, $x, $y)
2773	if $exit->flag (cf::FLAG_DAMNED);	2844	if $exit->flag (cf::FLAG_DAMNED);
2774		2845
2775	1	2846	1
2776	}) {	2847	}) {
2777	$self->message ("Something went wrong deep within the crossfire server. "	2848	$self->message ("Something went wrong deep within the deliantra server. "
2778	. "I'll try to bring you back to the map you were before. "	2849	. "I'll try to bring you back to the map you were before. "
2779	. "Please report this to the dungeon master!",	2850	. "Please report this to the dungeon master!",
2780	cf::NDI_UNIQUE | cf::NDI_RED);	2851	cf::NDI_UNIQUE | cf::NDI_RED);
2781		2852
2782	warn "ERROR in enter_exit: $@";	2853	warn "ERROR in enter_exit: $@";
…		…
2799	sub cf::client::send_drawinfo {	2870	sub cf::client::send_drawinfo {
2800	my ($self, $text, $flags) = @_;	2871	my ($self, $text, $flags) = @_;
2801		2872
2802	utf8::encode $text;	2873	utf8::encode $text;
2803	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2874	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2875	}
		2876
		2877	=item $client->send_big_packet ($pkt)
		2878
		2879	Like C<send_packet>, but tries to compress large packets, and fragments
		2880	them as required.
		2881
		2882	=cut
		2883
		2884	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2885
		2886	sub cf::client::send_big_packet {
		2887	my ($self, $pkt) = @_;
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
2804	}	2900	}
2805		2901
2806	=item $client->send_msg ($channel, $msg, $color, [extra...])	2902	=item $client->send_msg ($channel, $msg, $color, [extra...])
2807		2903
2808	Send a drawinfo or msg packet to the client, formatting the msg for the	2904	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2812		2908
2813	=cut	2909	=cut
2814		2910
2815	# non-persistent channels (usually the info channel)	2911	# non-persistent channels (usually the info channel)
2816	our %CHANNEL = (	2912	our %CHANNEL = (
		2913	"c/motd" => {
		2914	id => "infobox",
		2915	title => "MOTD",
		2916	reply => undef,
		2917	tooltip => "The message of the day",
		2918	},
2817	"c/identify" => {	2919	"c/identify" => {
2818	id => "infobox",	2920	id => "infobox",
2819	title => "Identify",	2921	title => "Identify",
2820	reply => undef,	2922	reply => undef,
2821	tooltip => "Items recently identified",	2923	tooltip => "Items recently identified",
…		…
2823	"c/examine" => {	2925	"c/examine" => {
2824	id => "infobox",	2926	id => "infobox",
2825	title => "Examine",	2927	title => "Examine",
2826	reply => undef,	2928	reply => undef,
2827	tooltip => "Signs and other items you examined",	2929	tooltip => "Signs and other items you examined",
		2930	},
		2931	"c/shopinfo" => {
		2932	id => "infobox",
		2933	title => "Shop Info",
		2934	reply => undef,
		2935	tooltip => "What your bargaining skill tells you about the shop",
2828	},	2936	},
2829	"c/book" => {	2937	"c/book" => {
2830	id => "infobox",	2938	id => "infobox",
2831	title => "Book",	2939	title => "Book",
2832	reply => undef,	2940	reply => undef,
…		…
2848	id => "infobox",	2956	id => "infobox",
2849	title => "Body Parts",	2957	title => "Body Parts",
2850	reply => undef,	2958	reply => undef,
2851	tooltip => "Shows which body parts you posess and are available",	2959	tooltip => "Shows which body parts you posess and are available",
2852	},	2960	},
		2961	"c/statistics" => {
		2962	id => "infobox",
		2963	title => "Statistics",
		2964	reply => undef,
		2965	tooltip => "Shows your primary statistics",
		2966	},
		2967	"c/skills" => {
		2968	id => "infobox",
		2969	title => "Skills",
		2970	reply => undef,
		2971	tooltip => "Shows your experience per skill and item power",
		2972	},
		2973	"c/shopitems" => {
		2974	id => "infobox",
		2975	title => "Shop Items",
		2976	reply => undef,
		2977	tooltip => "Shows the items currently for sale in this shop",
		2978	},
		2979	"c/resistances" => {
		2980	id => "infobox",
		2981	title => "Resistances",
		2982	reply => undef,
		2983	tooltip => "Shows your resistances",
		2984	},
		2985	"c/pets" => {
		2986	id => "infobox",
		2987	title => "Pets",
		2988	reply => undef,
		2989	tooltip => "Shows information abotu your pets/a specific pet",
		2990	},
		2991	"c/perceiveself" => {
		2992	id => "infobox",
		2993	title => "Perceive Self",
		2994	reply => undef,
		2995	tooltip => "You gained detailed knowledge about yourself",
		2996	},
2853	"c/uptime" => {	2997	"c/uptime" => {
2854	id => "infobox",	2998	id => "infobox",
2855	title => "Uptime",	2999	title => "Uptime",
2856	reply => undef,	3000	reply => undef,
2857	tooltip => "How long the server has been running since last restart",	3001	tooltip => "How long the server has been running since last restart",
…		…
2866	id => "party",	3010	id => "party",
2867	title => "Party",	3011	title => "Party",
2868	reply => "gsay ",	3012	reply => "gsay ",
2869	tooltip => "Messages and chat related to your party",	3013	tooltip => "Messages and chat related to your party",
2870	},	3014	},
		3015	"c/death" => {
		3016	id => "death",
		3017	title => "Death",
		3018	reply => undef,
		3019	tooltip => "Reason for and more info about your most recent death",
		3020	},
		3021	"c/say" => $SAY_CHANNEL,
		3022	"c/chat" => $CHAT_CHANNEL,
2871	);	3023	);
2872		3024
2873	sub cf::client::send_msg {	3025	sub cf::client::send_msg {
2874	my ($self, $channel, $msg, $color, @extra) = @_;	3026	my ($self, $channel, $msg, $color, @extra) = @_;
2875		3027
2876	$msg = $self->pl->expand_cfpod ($msg);	3028	$msg = $self->pl->expand_cfpod ($msg)
		3029	unless $color & cf::NDI_VERBATIM;
2877		3030
2878	$color &= cf::NDI_CLIENT_MASK; # just in case...	3031	$color &= cf::NDI_CLIENT_MASK; # just in case...
2879		3032
2880	# check predefined channels, for the benefit of C	3033	# check predefined channels, for the benefit of C
2881	if ($CHANNEL{$channel}) {	3034	if ($CHANNEL{$channel}) {
2882	$channel = $CHANNEL{$channel};	3035	$channel = $CHANNEL{$channel};
2883		3036
2884	$self->ext_msg (channel_info => $channel)	3037	$self->ext_msg (channel_info => $channel);
2885	if $self->can_msg;
2886
2887	$channel = $channel->{id};	3038	$channel = $channel->{id};
2888		3039
2889	} elsif (ref $channel) {	3040	} elsif (ref $channel) {
2890	# send meta info to client, if not yet sent	3041	# send meta info to client, if not yet sent
2891	unless (exists $self->{channel}{$channel->{id}}) {	3042	unless (exists $self->{channel}{$channel->{id}}) {
2892	$self->{channel}{$channel->{id}} = $channel;	3043	$self->{channel}{$channel->{id}} = $channel;
2893	$self->ext_msg (channel_info => $channel)	3044	$self->ext_msg (channel_info => $channel);
2894	if $self->can_msg;
2895	}	3045	}
2896		3046
2897	$channel = $channel->{id};	3047	$channel = $channel->{id};
2898	}	3048	}
2899		3049
2900	return unless @extra || length $msg;	3050	return unless @extra || length $msg;
2901		3051
2902	if ($self->can_msg) {
2903	# default colour, mask it out	3052	# default colour, mask it out
2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3053	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2905	if $color & cf::NDI_DEF;	3054	if $color & cf::NDI_DEF;
2906		3055
2907	$self->send_packet ("msg " . $self->{json_coder}->encode (	3056	my $pkt = "msg "
		3057	. $self->{json_coder}->encode (
2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3058	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2909	} else {	3059	);
2910	if ($color >= 0) {
2911	# replace some tags by gcfclient-compatible ones
2912	for ($msg) {
2913	1 while
2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2915	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2916	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2917	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2918	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2919	}
2920		3060
2921	$color &= cf::NDI_COLOR_MASK;	3061	$self->send_big_packet ($pkt);
2922
2923	utf8::encode $msg;
2924
2925	if (0 && $msg =~ /\[/) {
2926	# COMMAND/INFO
2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
2928	} else {
2929	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2930	$self->send_packet ("drawinfo $color $msg")
2931	}
2932	}
2933	}
2934	}	3062	}
2935		3063
2936	=item $client->ext_msg ($type, @msg)	3064	=item $client->ext_msg ($type, @msg)
2937		3065
2938	Sends an ext event to the client.	3066	Sends an ext event to the client.
…		…
2941		3069
2942	sub cf::client::ext_msg($$@) {	3070	sub cf::client::ext_msg($$@) {
2943	my ($self, $type, @msg) = @_;	3071	my ($self, $type, @msg) = @_;
2944		3072
2945	if ($self->extcmd == 2) {	3073	if ($self->extcmd == 2) {
2946	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2947	} elsif ($self->extcmd == 1) { # TODO: remove	3075	} elsif ($self->extcmd == 1) { # TODO: remove
2948	push @msg, msgtype => "event_$type";	3076	push @msg, msgtype => "event_$type";
2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3077	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2950	}	3078	}
2951	}	3079	}
2952		3080
2953	=item $client->ext_reply ($msgid, @msg)	3081	=item $client->ext_reply ($msgid, @msg)
2954		3082
…		…
2958		3086
2959	sub cf::client::ext_reply($$@) {	3087	sub cf::client::ext_reply($$@) {
2960	my ($self, $id, @msg) = @_;	3088	my ($self, $id, @msg) = @_;
2961		3089
2962	if ($self->extcmd == 2) {	3090	if ($self->extcmd == 2) {
2963	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2964	} elsif ($self->extcmd == 1) {	3092	} elsif ($self->extcmd == 1) {
2965	#TODO: version 1, remove	3093	#TODO: version 1, remove
2966	unshift @msg, msgtype => "reply", msgid => $id;	3094	unshift @msg, msgtype => "reply", msgid => $id;
2967	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3095	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2968	}	3096	}
2969	}	3097	}
2970		3098
2971	=item $success = $client->query ($flags, "text", \&cb)	3099	=item $success = $client->query ($flags, "text", \&cb)
2972		3100
…		…
3073		3201
3074	$coro	3202	$coro
3075	}	3203	}
3076		3204
3077	cf::client->attach (	3205	cf::client->attach (
3078	on_destroy => sub {	3206	on_client_destroy => sub {
3079	my ($ns) = @_;	3207	my ($ns) = @_;
3080		3208
3081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3209	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3082	},	3210	},
3083	);	3211	);
…		…
3099	our $safe_hole = new Safe::Hole;	3227	our $safe_hole = new Safe::Hole;
3100		3228
3101	$SIG{FPE} = 'IGNORE';	3229	$SIG{FPE} = 'IGNORE';
3102		3230
3103	$safe->permit_only (Opcode::opset qw(	3231	$safe->permit_only (Opcode::opset qw(
3104	:base_core :base_mem :base_orig :base_math	3232	:base_core :base_mem :base_orig :base_math :base_loop
3105	grepstart grepwhile mapstart mapwhile	3233	grepstart grepwhile mapstart mapwhile
3106	sort time	3234	sort time
3107	));	3235	));
3108		3236
3109	# here we export the classes and methods available to script code	3237	# here we export the classes and methods available to script code
…		…
3113	The following functions and methods are available within a safe environment:	3241	The following functions and methods are available within a safe environment:
3114		3242
3115	cf::object	3243	cf::object
3116	contr pay_amount pay_player map x y force_find force_add destroy	3244	contr pay_amount pay_player map x y force_find force_add destroy
3117	insert remove name archname title slaying race decrease split	3245	insert remove name archname title slaying race decrease split
		3246	value
3118		3247
3119	cf::object::player	3248	cf::object::player
3120	player	3249	player
3121		3250
3122	cf::player	3251	cf::player
…		…
3128	=cut	3257	=cut
3129		3258
3130	for (	3259	for (
3131	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3260	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3132	insert remove inv nrof name archname title slaying race	3261	insert remove inv nrof name archname title slaying race
3133	decrease split destroy change_exp)],	3262	decrease split destroy change_exp value msg lore send_msg)],
3134	["cf::object::player" => qw(player)],	3263	["cf::object::player" => qw(player)],
3135	["cf::player" => qw(peaceful)],	3264	["cf::player" => qw(peaceful send_msg)],
3136	["cf::map" => qw(trigger)],	3265	["cf::map" => qw(trigger)],
3137	) {	3266	) {
3138	no strict 'refs';	3267	no strict 'refs';
3139	my ($pkg, @funs) = @$_;	3268	my ($pkg, @funs) = @$_;
3140	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3269	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3158		3287
3159	my $qcode = $code;	3288	my $qcode = $code;
3160	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3289	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3161	$qcode =~ s/\n/\\n/g;	3290	$qcode =~ s/\n/\\n/g;
3162		3291
		3292	%vars = (_dummy => 0) unless %vars;
		3293
		3294	my @res;
3163	local $_;	3295	local $_;
3164	local @safe::cf::_safe_eval_args = values %vars;
3165		3296
3166	my $eval =	3297	my $eval =
3167	"do {\n"	3298	"do {\n"
3168	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3299	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3169	. "#line 0 \"{$qcode}\"\n"	3300	. "#line 0 \"{$qcode}\"\n"
3170	. $code	3301	. $code
3171	. "\n}"	3302	. "\n}"
3172	;	3303	;
3173		3304
		3305	if ($CFG{safe_eval}) {
3174	sub_generation_inc;	3306	sub_generation_inc;
		3307	local @safe::cf::_safe_eval_args = values %vars;
3175	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3308	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3176	sub_generation_inc;	3309	sub_generation_inc;
		3310	} else {
		3311	local @cf::_safe_eval_args = values %vars;
		3312	@res = wantarray ? eval eval : scalar eval $eval;
		3313	}
3177		3314
3178	if ($@) {	3315	if ($@) {
3179	warn "$@";	3316	warn "$@";
3180	warn "while executing safe code '$code'\n";	3317	warn "while executing safe code '$code'\n";
3181	warn "with arguments " . (join " ", %vars) . "\n";	3318	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3200	=cut	3337	=cut
3201		3338
3202	sub register_script_function {	3339	sub register_script_function {
3203	my ($fun, $cb) = @_;	3340	my ($fun, $cb) = @_;
3204		3341
3205	no strict 'refs';	3342	$fun = "safe::$fun" if $CFG{safe_eval};
3206	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3343	*$fun = $safe_hole->wrap ($cb);
3207	}	3344	}
3208		3345
3209	=back	3346	=back
3210		3347
3211	=cut	3348	=cut
…		…
3232		3369
3233	$facedata->{version} == 2	3370	$facedata->{version} == 2
3234	or cf::cleanup "$path: version mismatch, cannot proceed.";	3371	or cf::cleanup "$path: version mismatch, cannot proceed.";
3235		3372
3236	# patch in the exptable	3373	# patch in the exptable
		3374	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3237	$facedata->{resource}{"res/exp_table"} = {	3375	$facedata->{resource}{"res/exp_table"} = {
3238	type => FT_RSRC,	3376	type => FT_RSRC,
3239	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3377	data => $exp_table,
		3378	hash => (Digest::MD5::md5 $exp_table),
3240	};	3379	};
3241	cf::cede_to_tick;	3380	cf::cede_to_tick;
3242		3381
3243	{	3382	{
3244	my $faces = $facedata->{faceinfo};	3383	my $faces = $facedata->{faceinfo};
…		…
3246	while (my ($face, $info) = each %$faces) {	3385	while (my ($face, $info) = each %$faces) {
3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3386	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3248		3387
3249	cf::face::set_visibility $idx, $info->{visibility};	3388	cf::face::set_visibility $idx, $info->{visibility};
3250	cf::face::set_magicmap $idx, $info->{magicmap};	3389	cf::face::set_magicmap $idx, $info->{magicmap};
3251	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3390	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3252	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3391	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3253		3392
3254	cf::cede_to_tick;	3393	cf::cede_to_tick;
3255	}	3394	}
3256		3395
3257	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
…		…
3281		3420
3282	cf::anim::invalidate_all; # d'oh	3421	cf::anim::invalidate_all; # d'oh
3283	}	3422	}
3284		3423
3285	{	3424	{
3286	# TODO: for gcfclient pleasure, we should give resources
3287	# that gcfclient doesn't grok a >10000 face index.
3288	my $res = $facedata->{resource};	3425	my $res = $facedata->{resource};
3289		3426
3290	while (my ($name, $info) = each %$res) {	3427	while (my ($name, $info) = each %$res) {
3291	if (defined $info->{type}) {	3428	if (defined $info->{type}) {
3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3429	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3293	my $data;
3294		3430
3295	if ($info->{type} & 1) {	3431	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3296	# prepend meta info
3297
3298	my $meta = $enc->encode ({
3299	name => $name,
3300	%{ $info->{meta} || {} },
3301	});
3302
3303	$data = pack "(w/a*)*", $meta, $info->{data};
3304	} else {
3305	$data = $info->{data};
3306	}
3307
3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3309	cf::face::set_type $idx, $info->{type};	3432	cf::face::set_type $idx, $info->{type};
3310	} else {	3433	} else {
3311	$RESOURCE{$name} = $info;	3434	$RESOURCE{$name} = $info;
3312	}	3435	}
3313		3436
…		…
3396	reload_treasures;	3519	reload_treasures;
3397		3520
3398	warn "finished reloading resource files\n";	3521	warn "finished reloading resource files\n";
3399	}	3522	}
3400		3523
3401	sub init {
3402	my $guard = freeze_mainloop;
3403
3404	evthread_start IO::AIO::poll_fileno;
3405
3406	reload_resources;
3407	}
3408
3409	sub reload_config {	3524	sub reload_config {
		3525	warn "reloading config file...\n";
		3526
3410	open my $fh, "<:utf8", "$CONFDIR/config"	3527	open my $fh, "<:utf8", "$CONFDIR/config"
3411	or return;	3528	or return;
3412		3529
3413	local $/;	3530	local $/;
3414	*CFG = YAML::Load <$fh>;	3531	*CFG = YAML::XS::Load scalar <$fh>;
3415		3532
3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3533	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3417		3534
3418	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3535	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3419	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3536	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3420		3537
3421	if (exists $CFG{mlockall}) {	3538	if (exists $CFG{mlockall}) {
…		…
3423	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3540	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3424	and die "WARNING: m(un)lockall failed: $!\n";	3541	and die "WARNING: m(un)lockall failed: $!\n";
3425	};	3542	};
3426	warn $@ if $@;	3543	warn $@ if $@;
3427	}	3544	}
		3545
		3546	warn "finished reloading resource files\n";
		3547	}
		3548
		3549	sub pidfile() {
		3550	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3551	or die "$PIDFILE: $!";
		3552	flock $fh, &Fcntl::LOCK_EX
		3553	or die "$PIDFILE: flock: $!";
		3554	$fh
		3555	}
		3556
		3557	# make sure only one server instance is running at any one time
		3558	sub atomic {
		3559	my $fh = pidfile;
		3560
		3561	my $pid = <$fh>;
		3562	kill 9, $pid if $pid > 0;
		3563
		3564	seek $fh, 0, 0;
		3565	print $fh $$;
		3566	}
		3567
		3568	sub main_loop {
		3569	warn "EV::loop starting\n";
		3570	if (1) {
		3571	EV::loop;
		3572	}
		3573	warn "EV::loop returned\n";
		3574	goto &main_loop unless $REALLY_UNLOOP;
3428	}	3575	}
3429		3576
3430	sub main {	3577	sub main {
		3578	cf::init_globals; # initialise logging
		3579
		3580	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3581	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3582	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3583	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3584
		3585	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3586
3431	# we must not ever block the main coroutine	3587	# we must not ever block the main coroutine
3432	local $Coro::idle = sub {	3588	local $Coro::idle = sub {
3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3589	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3434	(async {	3590	(async {
3435	$Coro::current->{desc} = "IDLE BUG HANDLER";	3591	$Coro::current->{desc} = "IDLE BUG HANDLER";
3436	EV::loop EV::LOOP_ONESHOT;	3592	EV::loop EV::LOOP_ONESHOT;
3437	})->prio (Coro::PRIO_MAX);	3593	})->prio (Coro::PRIO_MAX);
3438	};	3594	};
3439		3595
3440	{	3596	evthread_start IO::AIO::poll_fileno;
3441	my $guard = freeze_mainloop;	3597
		3598	cf::sync_job {
		3599	cf::init_experience;
		3600	cf::init_anim;
		3601	cf::init_attackmess;
		3602	cf::init_dynamic;
		3603
		3604	cf::load_settings;
		3605	cf::load_materials;
		3606
		3607	reload_resources;
3442	reload_config;	3608	reload_config;
3443	db_init;	3609	db_init;
		3610
		3611	cf::init_uuid;
		3612	cf::init_signals;
		3613	cf::init_skills;
		3614
		3615	cf::init_beforeplay;
		3616
		3617	atomic;
		3618
3444	load_extensions;	3619	load_extensions;
3445		3620
3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3621	utime time, time, $RUNTIMEFILE;
		3622
		3623	# no (long-running) fork's whatsoever before this point(!)
		3624	use POSIX ();
		3625	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3626
		3627	(pop @POST_INIT)->(0) while @POST_INIT;
3447	}	3628	};
3448		3629
3449	EV::loop;	3630	cf::object::thawer::errors_are_fatal 0;
		3631	warn "parse errors in files are no longer fatal from this point on.\n";
		3632
		3633	main_loop;
3450	}	3634	}
3451		3635
3452	#############################################################################	3636	#############################################################################
3453	# initialisation and cleanup	3637	# initialisation and cleanup
3454		3638
3455	# install some emergency cleanup handlers	3639	# install some emergency cleanup handlers
3456	BEGIN {	3640	BEGIN {
3457	our %SIGWATCHER = ();	3641	our %SIGWATCHER = ();
3458	for my $signal (qw(INT HUP TERM)) {	3642	for my $signal (qw(INT HUP TERM)) {
3459	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3643	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3460	cf::cleanup "SIG$signal";	3644	cf::cleanup "SIG$signal";
3461	};	3645	};
3462	}	3646	}
3463	}	3647	}
3464		3648
3465	sub write_runtime_sync {	3649	sub write_runtime_sync {
3466	my $runtime = "$LOCALDIR/runtime";	3650	my $t0 = AE::time;
3467		3651
3468	# first touch the runtime file to show we are still running:	3652	# first touch the runtime file to show we are still running:
3469	# the fsync below can take a very very long time.	3653	# the fsync below can take a very very long time.
3470		3654
3471	IO::AIO::aio_utime $runtime, undef, undef;	3655	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3472		3656
3473	my $guard = cf::lock_acquire "write_runtime";	3657	my $guard = cf::lock_acquire "write_runtime";
3474		3658
3475	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3659	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3476	or return;	3660	or return;
3477		3661
3478	my $value = $cf::RUNTIME + 90 + 10;	3662	my $value = $cf::RUNTIME + 90 + 10;
3479	# 10 is the runtime save interval, for a monotonic clock	3663	# 10 is the runtime save interval, for a monotonic clock
3480	# 60 allows for the watchdog to kill the server.	3664	# 60 allows for the watchdog to kill the server.
…		…
3490	aio_utime $fh, undef, undef;	3674	aio_utime $fh, undef, undef;
3491		3675
3492	close $fh	3676	close $fh
3493	or return;	3677	or return;
3494		3678
3495	aio_rename "$runtime~", $runtime	3679	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3496	and return;	3680	and return;
3497		3681
3498	warn "runtime file written.\n";	3682	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3499		3683
3500	1	3684	1
3501	}	3685	}
3502		3686
3503	our $uuid_lock;	3687	our $uuid_lock;
…		…
3512	my $uuid = "$LOCALDIR/uuid";	3696	my $uuid = "$LOCALDIR/uuid";
3513		3697
3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3698	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3515	or return;	3699	or return;
3516		3700
3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3701	my $value = uuid_seq uuid_cur;
		3702
		3703	unless ($value) {
		3704	warn "cowardly refusing to write zero uuid value!\n";
		3705	return;
		3706	}
		3707
		3708	my $value = uuid_str $value + $uuid_skip;
3518	$uuid_skip = 0;	3709	$uuid_skip = 0;
3519		3710
3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3711	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3521	and return;	3712	and return;
3522		3713
…		…
3544	}	3735	}
3545		3736
3546	sub emergency_save() {	3737	sub emergency_save() {
3547	my $freeze_guard = cf::freeze_mainloop;	3738	my $freeze_guard = cf::freeze_mainloop;
3548		3739
3549	warn "enter emergency perl save\n";	3740	warn "emergency_perl_save: enter\n";
3550		3741
3551	cf::sync_job {	3742	cf::sync_job {
		3743	# this is a trade-off: we want to be very quick here, so
		3744	# save all maps without fsync, and later call a global sync
		3745	# (which in turn might be very very slow)
		3746	local $USE_FSYNC = 0;
		3747
3552	# use a peculiar iteration method to avoid tripping on perl	3748	# use a peculiar iteration method to avoid tripping on perl
3553	# refcount bugs in for. also avoids problems with players	3749	# refcount bugs in for. also avoids problems with players
3554	# and maps saved/destroyed asynchronously.	3750	# and maps saved/destroyed asynchronously.
3555	warn "begin emergency player save\n";	3751	warn "emergency_perl_save: begin player save\n";
3556	for my $login (keys %cf::PLAYER) {	3752	for my $login (keys %cf::PLAYER) {
3557	my $pl = $cf::PLAYER{$login} or next;	3753	my $pl = $cf::PLAYER{$login} or next;
3558	$pl->valid or next;	3754	$pl->valid or next;
3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3755	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3560	$pl->save;	3756	$pl->save;
3561	}	3757	}
3562	warn "end emergency player save\n";	3758	warn "emergency_perl_save: end player save\n";
3563		3759
3564	warn "begin emergency map save\n";	3760	warn "emergency_perl_save: begin map save\n";
3565	for my $path (keys %cf::MAP) {	3761	for my $path (keys %cf::MAP) {
3566	my $map = $cf::MAP{$path} or next;	3762	my $map = $cf::MAP{$path} or next;
3567	$map->valid or next;	3763	$map->valid or next;
3568	$map->save;	3764	$map->save;
3569	}	3765	}
3570	warn "end emergency map save\n";	3766	warn "emergency_perl_save: end map save\n";
3571		3767
3572	warn "begin emergency database checkpoint\n";	3768	warn "emergency_perl_save: begin database checkpoint\n";
3573	BDB::db_env_txn_checkpoint $DB_ENV;	3769	BDB::db_env_txn_checkpoint $DB_ENV;
3574	warn "end emergency database checkpoint\n";	3770	warn "emergency_perl_save: end database checkpoint\n";
3575		3771
3576	warn "begin write uuid\n";	3772	warn "emergency_perl_save: begin write uuid\n";
3577	write_uuid_sync 1;	3773	write_uuid_sync 1;
3578	warn "end write uuid\n";	3774	warn "emergency_perl_save: end write uuid\n";
3579	};	3775	};
3580		3776
		3777	warn "emergency_perl_save: starting sync()\n";
		3778	IO::AIO::aio_sync sub {
		3779	warn "emergency_perl_save: finished sync()\n";
		3780	};
		3781
3581	warn "leave emergency perl save\n";	3782	warn "emergency_perl_save: leave\n";
3582	}	3783	}
3583		3784
3584	sub post_cleanup {	3785	sub post_cleanup {
3585	my ($make_core) = @_;	3786	my ($make_core) = @_;
3586		3787
3587	warn Carp::longmess "post_cleanup backtrace"	3788	warn Carp::longmess "post_cleanup backtrace"
3588	if $make_core;	3789	if $make_core;
		3790
		3791	my $fh = pidfile;
		3792	unlink $PIDFILE if <$fh> == $$;
		3793	}
		3794
		3795	# a safer delete_package, copied from Symbol
		3796	sub clear_package($) {
		3797	my $pkg = shift;
		3798
		3799	# expand to full symbol table name if needed
		3800	unless ($pkg =~ /^main::.*::$/) {
		3801	$pkg = "main$pkg" if $pkg =~ /^::/;
		3802	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3803	$pkg .= '::' unless $pkg =~ /::$/;
		3804	}
		3805
		3806	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3807	my $stem_symtab = *{$stem}{HASH};
		3808
		3809	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3810	or return;
		3811
		3812	# clear all symbols
		3813	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3814	for my $name (keys %$leaf_symtab) {
		3815	_gv_clear *{"$pkg$name"};
		3816	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3817	}
3589	}	3818	}
3590		3819
3591	sub do_reload_perl() {	3820	sub do_reload_perl() {
3592	# can/must only be called in main	3821	# can/must only be called in main
3593	if ($Coro::current != $Coro::main) {	3822	if (in_main) {
3594	warn "can only reload from main coroutine";	3823	warn "can only reload from main coroutine";
3595	return;	3824	return;
3596	}	3825	}
3597		3826
		3827	return if $RELOAD++;
		3828
		3829	my $t1 = AE::time;
		3830
		3831	while ($RELOAD) {
3598	warn "reloading...";	3832	warn "reloading...";
3599		3833
3600	warn "entering sync_job";	3834	warn "entering sync_job";
3601		3835
3602	cf::sync_job {	3836	cf::sync_job {
3603	cf::write_runtime_sync; # external watchdog should not bark	3837	cf::write_runtime_sync; # external watchdog should not bark
3604	cf::emergency_save;	3838	cf::emergency_save;
3605	cf::write_runtime_sync; # external watchdog should not bark	3839	cf::write_runtime_sync; # external watchdog should not bark
3606		3840
3607	warn "syncing database to disk";	3841	warn "syncing database to disk";
3608	BDB::db_env_txn_checkpoint $DB_ENV;	3842	BDB::db_env_txn_checkpoint $DB_ENV;
3609		3843
3610	# if anything goes wrong in here, we should simply crash as we already saved	3844	# if anything goes wrong in here, we should simply crash as we already saved
3611		3845
3612	warn "flushing outstanding aio requests";	3846	warn "flushing outstanding aio requests";
3613	for (;;) {
3614	BDB::flush;
3615	IO::AIO::flush;
3616	Coro::cede_notself;
3617	last unless IO::AIO::nreqs || BDB::nreqs;	3847	while (IO::AIO::nreqs || BDB::nreqs) {
3618	warn "iterate...";	3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3619	}
3620
3621	++$RELOAD;
3622
3623	warn "cancelling all extension coros";
3624	$_->cancel for values %EXT_CORO;
3625	%EXT_CORO = ();
3626
3627	warn "removing commands";
3628	%COMMAND = ();
3629
3630	warn "removing ext/exti commands";
3631	%EXTCMD = ();
3632	%EXTICMD = ();
3633
3634	warn "unloading/nuking all extensions";
3635	for my $pkg (@EXTS) {
3636	warn "... unloading $pkg";
3637
3638	if (my $cb = $pkg->can ("unload")) {
3639	eval {
3640	$cb->($pkg);
3641	1
3642	} or warn "$pkg unloaded, but with errors: $@";
3643	}	3849	}
3644		3850
3645	warn "... nuking $pkg";	3851	warn "cancelling all extension coros";
3646	Symbol::delete_package $pkg;	3852	$_->cancel for values %EXT_CORO;
3647	}	3853	%EXT_CORO = ();
3648		3854
3649	warn "unloading all perl modules loaded from $LIBDIR";	3855	warn "removing commands";
3650	while (my ($k, $v) = each %INC) {	3856	%COMMAND = ();
3651	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3652		3857
		3858	warn "removing ext/exti commands";
		3859	%EXTCMD = ();
		3860	%EXTICMD = ();
		3861
		3862	warn "unloading/nuking all extensions";
		3863	for my $pkg (@EXTS) {
3653	warn "... unloading $k";	3864	warn "... unloading $pkg";
3654	delete $INC{$k};
3655		3865
3656	$k =~ s/\.pm$//;
3657	$k =~ s/\//::/g;
3658
3659	if (my $cb = $k->can ("unload_module")) {	3866	if (my $cb = $pkg->can ("unload")) {
		3867	eval {
3660	$cb->();	3868	$cb->($pkg);
		3869	1
		3870	} or warn "$pkg unloaded, but with errors: $@";
		3871	}
		3872
		3873	warn "... clearing $pkg";
		3874	clear_package $pkg;
3661	}	3875	}
3662		3876
3663	Symbol::delete_package $k;	3877	warn "unloading all perl modules loaded from $LIBDIR";
		3878	while (my ($k, $v) = each %INC) {
		3879	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3880
		3881	warn "... unloading $k";
		3882	delete $INC{$k};
		3883
		3884	$k =~ s/\.pm$//;
		3885	$k =~ s/\//::/g;
		3886
		3887	if (my $cb = $k->can ("unload_module")) {
		3888	$cb->();
		3889	}
		3890
		3891	clear_package $k;
3664	}	3892	}
3665		3893
3666	warn "getting rid of safe::, as good as possible";	3894	warn "getting rid of safe::, as good as possible";
3667	Symbol::delete_package "safe::$_"	3895	clear_package "safe::$_"
3668	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3896	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3669		3897
3670	warn "unloading cf.pm \"a bit\"";	3898	warn "unloading cf.pm \"a bit\"";
3671	delete $INC{"cf.pm"};	3899	delete $INC{"cf.pm"};
3672	delete $INC{"cf/pod.pm"};	3900	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3673		3901
3674	# don't, removes xs symbols, too,	3902	# don't, removes xs symbols, too,
3675	# and global variables created in xs	3903	# and global variables created in xs
3676	#Symbol::delete_package __PACKAGE__;	3904	#clear_package __PACKAGE__;
3677		3905
3678	warn "unload completed, starting to reload now";	3906	warn "unload completed, starting to reload now";
3679		3907
3680	warn "reloading cf.pm";	3908	warn "reloading cf.pm";
3681	require cf;	3909	require cf;
3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3910	cf::_connect_to_perl_1;
3683		3911
3684	warn "loading config and database again";	3912	warn "loading config and database again";
3685	cf::reload_config;	3913	cf::reload_config;
3686		3914
3687	warn "loading extensions";	3915	warn "loading extensions";
3688	cf::load_extensions;	3916	cf::load_extensions;
3689		3917
		3918	if ($REATTACH_ON_RELOAD) {
3690	warn "reattaching attachments to objects/players";	3919	warn "reattaching attachments to objects/players";
3691	_global_reattach; # objects, sockets	3920	_global_reattach; # objects, sockets
3692	warn "reattaching attachments to maps";	3921	warn "reattaching attachments to maps";
3693	reattach $_ for values %MAP;	3922	reattach $_ for values %MAP;
3694	warn "reattaching attachments to players";	3923	warn "reattaching attachments to players";
3695	reattach $_ for values %PLAYER;	3924	reattach $_ for values %PLAYER;
		3925	}
3696		3926
		3927	warn "running post_init jobs";
		3928	(pop @POST_INIT)->(1) while @POST_INIT;
		3929
3697	warn "leaving sync_job";	3930	warn "leaving sync_job";
3698		3931
3699	1	3932	1
3700	} or do {	3933	} or do {
3701	warn $@;	3934	warn $@;
3702	cf::cleanup "error while reloading, exiting.";	3935	cf::cleanup "error while reloading, exiting.";
3703	};	3936	};
3704		3937
3705	warn "reloaded";	3938	warn "reloaded";
		3939	--$RELOAD;
		3940	}
		3941
		3942	$t1 = AE::time - $t1;
		3943	warn "reload completed in ${t1}s\n";
3706	};	3944	};
3707		3945
3708	our $RELOAD_WATCHER; # used only during reload	3946	our $RELOAD_WATCHER; # used only during reload
3709		3947
3710	sub reload_perl() {	3948	sub reload_perl() {
3711	# doing reload synchronously and two reloads happen back-to-back,	3949	# doing reload synchronously and two reloads happen back-to-back,
3712	# coro crashes during coro_state_free->destroy here.	3950	# coro crashes during coro_state_free->destroy here.
3713		3951
		3952	$RELOAD_WATCHER ||= cf::async {
		3953	Coro::AIO::aio_wait cache_extensions;
		3954
3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3955	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3715	do_reload_perl;	3956	do_reload_perl;
3716	undef $RELOAD_WATCHER;	3957	undef $RELOAD_WATCHER;
		3958	};
3717	};	3959	};
3718	}	3960	}
3719		3961
3720	register_command "reload" => sub {	3962	register_command "reload" => sub {
3721	my ($who, $arg) = @_;	3963	my ($who, $arg) = @_;
…		…
3735		3977
3736	our @WAIT_FOR_TICK;	3978	our @WAIT_FOR_TICK;
3737	our @WAIT_FOR_TICK_BEGIN;	3979	our @WAIT_FOR_TICK_BEGIN;
3738		3980
3739	sub wait_for_tick {	3981	sub wait_for_tick {
3740	return if tick_inhibit || $Coro::current == $Coro::main;	3982	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3741		3983
3742	my $signal = new Coro::Signal;	3984	my $signal = new Coro::Signal;
3743	push @WAIT_FOR_TICK, $signal;	3985	push @WAIT_FOR_TICK, $signal;
3744	$signal->wait;	3986	$signal->wait;
3745	}	3987	}
3746		3988
3747	sub wait_for_tick_begin {	3989	sub wait_for_tick_begin {
3748	return if tick_inhibit || $Coro::current == $Coro::main;	3990	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3749		3991
3750	my $signal = new Coro::Signal;	3992	my $signal = new Coro::Signal;
3751	push @WAIT_FOR_TICK_BEGIN, $signal;	3993	push @WAIT_FOR_TICK_BEGIN, $signal;
3752	$signal->wait;	3994	$signal->wait;
3753	}	3995	}
…		…
3758	unless ++$bug_warning > 10;	4000	unless ++$bug_warning > 10;
3759	return;	4001	return;
3760	}	4002	}
3761		4003
3762	cf::server_tick; # one server iteration	4004	cf::server_tick; # one server iteration
		4005
		4006	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3763		4007
3764	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4008	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3765	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4009	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3766	Coro::async_pool {	4010	Coro::async_pool {
3767	$Coro::current->{desc} = "runtime saver";	4011	$Coro::current->{desc} = "runtime saver";
…		…
3790	}	4034	}
3791		4035
3792	{	4036	{
3793	# configure BDB	4037	# configure BDB
3794		4038
3795	BDB::min_parallel 8;	4039	BDB::min_parallel 16;
3796	BDB::max_poll_reqs $TICK * 0.1;	4040	BDB::max_poll_reqs $TICK * 0.1;
3797	$AnyEvent::BDB::WATCHER->priority (1);	4041	$AnyEvent::BDB::WATCHER->priority (1);
3798		4042
3799	unless ($DB_ENV) {	4043	unless ($DB_ENV) {
3800	$DB_ENV = BDB::db_env_create;	4044	$DB_ENV = BDB::db_env_create;
…		…
3847	$msg =~ s/\n//;	4091	$msg =~ s/\n//;
3848		4092
3849	# limit the # of concurrent backtraces	4093	# limit the # of concurrent backtraces
3850	if ($_log_backtrace < 2) {	4094	if ($_log_backtrace < 2) {
3851	++$_log_backtrace;	4095	++$_log_backtrace;
		4096	my $perl_bt = Carp::longmess $msg;
3852	async {	4097	async {
3853	$Coro::current->{desc} = "abt $msg";	4098	$Coro::current->{desc} = "abt $msg";
3854		4099
3855	my @bt = fork_call {	4100	my @bt = fork_call {
3856	@addr = map { sprintf "%x", $_ } @addr;	4101	@addr = map { sprintf "%x", $_ } @addr;
…		…
3867	}	4112	}
3868		4113
3869	@funcs	4114	@funcs
3870	};	4115	};
3871		4116
3872	LOG llevInfo, "[ABT] $msg\n";	4117	LOG llevInfo, "[ABT] $perl_bt\n";
		4118	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3873	LOG llevInfo, "[ABT] $_\n" for @bt;	4119	LOG llevInfo, "[ABT] $_\n" for @bt;
3874	--$_log_backtrace;	4120	--$_log_backtrace;
3875	};	4121	};
3876	} else {	4122	} else {
3877	LOG llevInfo, "[ABT] $msg\n";	4123	LOG llevInfo, "[ABT] $msg\n";
3878	LOG llevInfo, "[ABT] [suppressed]\n";	4124	LOG llevInfo, "[ABT] [suppressed]\n";
3879	}	4125	}
3880	}	4126	}
3881		4127
3882	# load additional modules	4128	# load additional modules
3883	use cf::pod;	4129	require "cf/$_.pm" for @EXTRA_MODULES;
		4130	cf::_connect_to_perl_2;
3884		4131
3885	END { cf::emergency_save }	4132	END { cf::emergency_save }
3886		4133
3887	1	4134	1
3888		4135

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