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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.384 by root, Fri Oct 12 18:17:16 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.51 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		76
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		78
52	our %COMMAND = ();	79	our %COMMAND = ();
53	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	83	our %EXTCMD = ();
57	our %EXTICMD = ();	84	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
60		87
61	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	89	our @EVENT;
63		90
64	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	92	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
75		106
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	109	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		111
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	115	our $DB_ENV;
89		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
		118
90	our %CFG;	119	our %CFG;
91		120
92	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
94		124
95	our (%PLAYER, %PLAYER_LOADING); # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
98		128
99	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		131
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		140
106	binmode STDOUT;	141	binmode STDOUT;
107	binmode STDERR;	142	binmode STDERR;
108		143
109	# read virtual server time, if available	144	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
114	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
115		152
116	mkdir $_	153	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		155
119	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
162		199
163	The raw value load value from the last tick.	200	The raw value load value from the last tick.
164		201
165	=item %cf::CFG	202	=item %cf::CFG
166		203
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	205	from wherever your confdir points to.
169		206
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		208
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		231
195	LOG llevError, $msg;	232	LOG llevError, $msg;
196	};	233	};
197	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
198		250
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	261	for my $pkg (qw(
210	cf::global cf::attachable	262	cf::global cf::attachable
211	cf::object cf::object::player	263	cf::object cf::object::player
212	cf::client cf::player	264	cf::client cf::player
213	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
214	cf::map cf::party cf::region	267	cf::party cf::region
215	)) {	268	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	270	}
219		271
220	$Event::DIED = sub {	272	$EV::DIED = sub {
221	warn "error in event callback: @_";	273	warn "error in event callback: @_";
222	};	274	};
223		275
224	#############################################################################	276	#############################################################################
225		277
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	301	$d
250	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
251	}	303	}
252		304
253	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
254		306
255	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
256		308
257	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
258		310
259	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
260		312
261	=cut	313	=cut
262		314
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		316
265	sub to_json ($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
267		333
268	=item cf::lock_wait $string	334	=item cf::lock_wait $string
269		335
270	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
271		337
272	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
273		339
274	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
277	returned.	343	returned.
278		344
279	Locks are *not* recursive, locking from the same coro twice results in a	345	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	346	deadlocked coro.
…		…
286		352
287	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
288		354
289	=cut	355	=cut
290		356
291	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		358
294	sub lock_wait($) {	359	sub lock_wait($) {
295	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	361	}
308		362
309	sub lock_acquire($) {	363	sub lock_acquire($) {
310	my ($key) = @_;	364	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	365	}
324		366
325	sub lock_active($) {	367	sub lock_active($) {
326	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	369	}
330		370
331	sub freeze_mainloop {	371	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
333		373
334	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	375	}
336	};	376
337	$TICK_WATCHER->stop;	377	=item cf::periodic $interval, $cb
338	$guard	378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
339	}	390	}
340		391
341	=item cf::get_slot $time[, $priority[, $name]]	392	=item cf::get_slot $time[, $priority[, $name]]
342		393
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	434	}
384	}	435	}
385	};	436	};
386		437
387	sub get_slot($;$$) {	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
388	my ($time, $pri, $name) = @_;	441	my ($time, $pri, $name) = @_;
389		442
390	$time = $TICK * .6 if $time > $TICK * .6;	443	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	444	my $sig = new Coro::Signal;
392		445
…		…
406		459
407	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
408		461
409	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
410		463
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	465	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	467	acceptable.
415		468
416	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		475
423	sub sync_job(&) {	476	sub sync_job(&) {
424	my ($job) = @_;	477	my ($job) = @_;
425		478
426	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	480	my $time = EV::time;
428		481
429	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
431		484
432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#	485	LOG llevError, Carp::longmess "sync job";#d#
433		486
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
437		488
438	my $busy = 1;	489	my $busy = 1;
439	my @res;	490	my @res;
440		491
…		…
444	warn $@ if $@;	495	warn $@ if $@;
445	undef $busy;	496	undef $busy;
446	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
447		498
448	while ($busy) {	499	while ($busy) {
449	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
450	}	504	}
		505	}
451		506
452	$time = Event::time - $time;	507	my $time = EV::time - $time;
453		508
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
458		510
459	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
460	} else {	512	} else {
461	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
462		514
…		…
487	=item fork_call { }, $args	539	=item fork_call { }, $args
488		540
489	Executes the given code block with the given arguments in a seperate	541	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	542	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	543	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	544	never block itself or use any form of event handling.
493		545
494	=cut	546	=cut
495		547
496	sub fork_call(&@) {	548	sub fork_call(&@) {
497	my ($cb, @args) = @_;	549	my ($cb, @args) = @_;
…		…
504	reset_signals;	556	reset_signals;
505	&$cb	557	&$cb
506	}, @args;	558	}, @args;
507		559
508	wantarray ? @res : $res[-1]	560	wantarray ? @res : $res[-1]
		561	}
		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
509	}	588	}
510		589
511	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
512		591
513	Returns a single value from the environment database.	592	Returns a single value from the environment database.
…		…
652		731
653	#############################################################################	732	#############################################################################
654		733
655	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
656		735
657	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
658	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
660		739
661	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	742	Deliantra).
664		743
665	=over 4	744	=over 4
666		745
667	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
668		747
…		…
712	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
713		792
714	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
716		795
717	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
718	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
719		798
720	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
721		800
722	=over 4	801	=over 4
…		…
950	}	1029	}
951		1030
952	0	1031	0
953	}	1032	}
954		1033
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1035
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1037
959	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
960		1039
…		…
966		1045
967	=cut	1046	=cut
968		1047
969	#############################################################################	1048	#############################################################################
970	# object support	1049	# object support
971	#
972		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
973	sub _can_merge {	1084	sub _can_merge {
974	my ($ob1, $ob2) = @_;	1085	my ($ob1, $ob2) = @_;
975		1086
976	local $Storable::canonical = 1;	1087	++$SLOW_MERGES;#d#
977	my $fob1 = Storable::freeze $ob1;
978	my $fob2 = Storable::freeze $ob2;
979		1088
980	$fob1 eq $fob2	1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
981	}	1091	}
982		1092
983	sub reattach {	1093	sub reattach {
984	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
985	my ($obj) = @_;	1095	my ($obj) = @_;
986		1096
		1097	# no longer needed after getting rid of delete_package?
987	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
988		1099
989	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
990		1101
991	@$registry = ();	1102	@$registry = ();
992		1103
…		…
1007	cf::attachable->attach (	1118	cf::attachable->attach (
1008	prio => -1000000,	1119	prio => -1000000,
1009	on_instantiate => sub {	1120	on_instantiate => sub {
1010	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
1011		1122
1012	$data = from_json $data;	1123	$data = decode_json $data;
1013		1124
1014	for (@$data) {	1125	for (@$data) {
1015	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
1016		1127
1017	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
1038	utf8::decode (my $decname = $filename);	1149	utf8::decode (my $decname = $filename);
1039	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
1040	$decname, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
1041		1152
1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1043	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1045	aio_fsync $fh if $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	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;
		1158	aio_fsync $fh;
		1159	}
1046	close $fh;	1160	aio_close $fh;
1047		1161
1048	if (@$objs) {	1162	if (@$objs) {
1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
1051	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1052	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
1053	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	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;
		1169	aio_fsync $fh;
		1170	}
1054	close $fh;	1171	aio_close $fh;
1055	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
1056	}	1173	}
1057	} else {	1174	} else {
1058	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
1059	}	1176	}
1060		1177
1061	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
1062	} else {	1182	} else {
1063	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
1064	}	1184	}
1065	} else {	1185	} else {
1066	aio_unlink $filename;	1186	aio_unlink $filename;
1067	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
1068	}	1188	}
…		…
1087		1207
1088	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1210	or return;
1091		1211
1092	my $st = eval { Coro::Storable::thaw $av }	1212	my $st = eval { Coro::Storable::thaw $av };
1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1094	$av = $st->{objs};	1213	$av = $st->{objs};
1095	}	1214	}
1096		1215
1097	utf8::decode (my $decname = $filename);	1216	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
…		…
1160	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
1161		1280
1162	$EXTICMD{$name} = $cb;	1281	$EXTICMD{$name} = $cb;
1163	}	1282	}
1164		1283
		1284	use File::Glob ();
		1285
1165	cf::player->attach (	1286	cf::player->attach (
1166	on_command => sub {	1287	on_command => sub {
1167	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
1168		1289
1169	my $cb = $COMMAND{$name}	1290	my $cb = $COMMAND{$name}
…		…
1201		1322
1202	cf::override;	1323	cf::override;
1203	},	1324	},
1204	);	1325	);
1205		1326
		1327	# "readahead" all extensions
		1328	sub cache_extensions {
		1329	my $grp = IO::AIO::aio_group;
		1330
		1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1332	for (grep /\.ext$/, @{$_[0]}) {
		1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1334	}
		1335	};
		1336
		1337	$grp
		1338	}
		1339
1206	sub load_extensions {	1340	sub load_extensions {
1207	cf::sync_job {	1341	cf::sync_job {
1208	my %todo;	1342	my %todo;
1209		1343
1210	for my $path (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
…		…
1229		1363
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1366
1233	$ext{source} =	1367	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1235	. "#line 1 \"$path\"\n{\n"	1369	. "#line 1 \"$path\"\n{\n"
1236	. $source	1370	. $source
1237	. "\n};\n1";	1371	. "\n};\n1";
1238		1372
1239	$todo{$base} = \%ext;	1373	$todo{$base} = \%ext;
…		…
1255	my $msg = $@ ? "$v->{path}: $@\n"	1389	my $msg = $@ ? "$v->{path}: $@\n"
1256	: "$v->{base}: extension inactive.\n";	1390	: "$v->{base}: extension inactive.\n";
1257		1391
1258	if (exists $v->{meta}{mandatory}) {	1392	if (exists $v->{meta}{mandatory}) {
1259	warn $msg;	1393	warn $msg;
1260	warn "mandatory extension failed to load, exiting.\n";	1394	cf::cleanup "mandatory extension failed to load, exiting.";
1261	exit 1;
1262	}	1395	}
1263		1396
1264	warn $msg;	1397	warn $msg;
1265	}	1398	}
1266		1399
…		…
1280		1413
1281	=back	1414	=back
1282		1415
1283	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
1284		1417
1285	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
1286		1419
1287	=cut	1420	=cut
1288		1421
1289	package cf::player;	1422	package cf::player;
1290		1423
…		…
1333		1466
1334	sub exists($) {	1467	sub exists($) {
1335	my ($login) = @_;	1468	my ($login) = @_;
1336		1469
1337	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
1339	}	1472	}
1340		1473
1341	sub find($) {	1474	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1476	my $login = $_[0];
…		…
1355	my $f = new_from_file cf::object::thawer path $login	1488	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1489	or return;
1357		1490
1358	my $pl = cf::player::load_pl $f	1491	my $pl = cf::player::load_pl $f
1359	or return;	1492	or return;
		1493
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1494	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1495	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1363	}	1497	}
1364	}	1498	}
…		…
1374		1508
1375	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1376		1510
1377	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
		1513
		1514	cf::get_slot 0.01;
1379		1515
1380	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1517	cf::cede_to_tick;
1382	}	1518	}
1383		1519
…		…
1415	my ($pl) = @_;	1551	my ($pl) = @_;
1416		1552
1417	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1418		1554
1419	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1420	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1421		1557
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1423	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1425	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1426		1564
1427	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1467		1605
1468	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
1469	my $path = path $login;	1607	my $path = path $login;
1470		1608
1471	# a .pst is a dead give-away for a valid player	1609	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1615	}
1477		1616
…		…
1508	}	1647	}
1509		1648
1510	\@paths	1649	\@paths
1511	}	1650	}
1512		1651
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1653
1515	Expand crossfire pod fragments into protocol xml.	1654	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1655
1564	=item $player->ext_reply ($msgid, @msg)	1656	=item $player->ext_reply ($msgid, @msg)
1565		1657
1566	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1567		1659
…		…
1634	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1636		1728
1637	sub generate_random_map {	1729	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1639	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1640	$self->_create_random_map (	1735	$self->_create_random_map (
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1765		1860
1766	# the temporary/swap location	1861	# the temporary/swap location
1767	sub save_path {	1862	sub save_path {
1768	my ($self) = @_;	1863	my ($self) = @_;
1769		1864
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	1866	"$TMPDIR/$path.map"
1772	}	1867	}
1773		1868
1774	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1775	sub uniq_path {	1870	sub uniq_path {
1776	my ($self) = @_;	1871	my ($self) = @_;
1777		1872
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	1874	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	1875	}
1790		1876
1791	sub decay_objects {	1877	sub decay_objects {
1792	my ($self) = @_;	1878	my ($self) = @_;
1793		1879
…		…
1877	sub find {	1963	sub find {
1878	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1879		1965
1880	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1881		1967
1882	cf::lock_wait "map_data:$path";#d#remove	1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1884		1970
1885	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1890	or return;	1973	or return;
1891		1974
1892	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1893		1976
…		…
1895	or return;	1978	or return;
1896		1979
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
1900	undef $guard1;	1984	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	1985	$map->reset;
1903	return find $path;	1986	return find $path;
1904	}	1987	}
1905		1988
1906	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
…		…
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2016	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2017	$f->skip_block;
1935	$self->_load_objects ($f)	2018	$self->_load_objects ($f)
1936	or return;	2019	or return;
1937		2020
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1939	if delete $self->{load_original};	2022	if delete $self->{load_original};
1940		2023
1941	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2025	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2026	unless (aio_stat $uniq) {
…		…
1961	unless ($self->{deny_activate}) {	2044	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2045	$self->decay_objects;
1963	$self->fix_auto_apply;	2046	$self->fix_auto_apply;
1964	$self->update_buttons;	2047	$self->update_buttons;
1965	cf::cede_to_tick;	2048	cf::cede_to_tick;
1966	$self->set_darkness_map;
1967	cf::cede_to_tick;
1968	$self->activate;	2049	$self->activate;
1969	}	2050	}
1970		2051
1971	$self->{last_save} = $cf::RUNTIME;	2052	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2053	$self->last_access ($cf::RUNTIME);
1973		2054
1974	$self->in_memory (cf::MAP_IN_MEMORY);	2055	$self->in_memory (cf::MAP_ACTIVE);
1975	}	2056	}
1976		2057
1977	$self->post_load;	2058	$self->post_load;
1978	}	2059	}
1979		2060
…		…
2037	my ($path, $origin, $load) = @_;	2118	my ($path, $origin, $load) = @_;
2038		2119
2039	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
2040		2121
2041	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043	}	2124	}
2044		2125
2045	$MAP_PREFETCH{$path} |= $load;	2126	$MAP_PREFETCH{$path} |= $load;
2046		2127
2047	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
…		…
2084	cf::async {	2165	cf::async {
2085	$Coro::current->{desc} = "map player save";	2166	$Coro::current->{desc} = "map player save";
2086	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
2087	};	2168	};
2088		2169
		2170	cf::get_slot 0.02;
		2171
2089	if ($uniq) {	2172	if ($uniq) {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2091	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2092	} else {	2175	} else {
2093	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2176	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2101	$self->save;	2184	$self->save;
2102		2185
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2187
2105	return if $self->players;	2188	return if $self->players;
2106	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
2107	return if $self->{deny_save};	2190	return if $self->{deny_save};
2108		2191
2109	$self->in_memory (cf::MAP_SWAPPED);	2192	$self->in_memory (cf::MAP_SWAPPED);
2110		2193
2111	$self->deactivate;	2194	$self->deactivate;
…		…
2229		2312
2230	sub unique_maps() {	2313	sub unique_maps() {
2231	[	2314	[
2232	map {	2315	map {
2233	utf8::decode $_;	2316	utf8::decode $_;
2234	/\.map$/	2317	s/\.map$//; # TODO future compatibility hack
		2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2319	? ()
2235	? normalise $_	2320	: normalise $_
2236	: ()
2237	} @{ aio_readdir $UNIQUEDIR or [] }	2321	} @{ aio_readdir $UNIQUEDIR or [] }
2238	]	2322	]
2239	}	2323	}
2240		2324
2241	package cf;
2242
2243	=back	2325	=back
2244		2326
2245	=head3 cf::object	2327	=head3 cf::object
2246		2328
2247	=cut	2329	=cut
…		…
2250		2332
2251	=over 4	2333	=over 4
2252		2334
2253	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
2254		2336
2255	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
2256		2339
2257	=cut	2340	=cut
2258		2341
2259	sub inv_recursive_;	2342	sub inv_recursive_;
2260	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
2265	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
2266	}	2349	}
2267		2350
2268	=item $ref = $ob->ref	2351	=item $ref = $ob->ref
2269		2352
2270	creates and returns a persistent reference to an objetc that can be stored as a string.	2353	Creates and returns a persistent reference to an object that can be stored as a string.
2271		2354
2272	=item $ob = cf::object::deref ($refstring)	2355	=item $ob = cf::object::deref ($refstring)
2273		2356
2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2275	even if the object actually exists. May block.	2358	even if the object actually exists. May block.
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
2309		2392
2310	=cut	2393	=cut
2311		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
		2408
2312	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2410	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2413	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2424	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2426
2330	} else {	2427	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2430	}
2334	}	2431	}
2335	}	2432	}
2336		2433
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2459
2363	=item $player_object->enter_link	2460	=item $player_object->enter_link
2364		2461
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2463
2367	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
2368	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
2369		2468
2370	Will never block.	2469	Will never block.
2371		2470
2372	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
2373		2472
…		…
2431		2530
2432	$map->load;	2531	$map->load;
2433	$map->load_neighbours;	2532	$map->load_neighbours;
2434		2533
2435	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2436	$self->activate_recursive;	2536	$self->activate_recursive;
2437		2537
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
2440	}	2540	}
…		…
2444	Moves the player to the given map-path and coordinates by first freezing	2544	Moves the player to the given map-path and coordinates by first freezing
2445	her, loading and preparing them map, calling the provided $check callback	2545	her, loading and preparing them map, calling the provided $check callback
2446	that has to return the map if sucecssful, and then unfreezes the player on	2546	that has to return the map if sucecssful, and then unfreezes the player on
2447	the new (success) or old (failed) map position. In either case, $done will	2547	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2548	be called at the end of this process.
		2549
		2550	Note that $check will be called with a potentially non-loaded map, so if
		2551	it needs a loaded map it has to call C<< ->load >>.
2449		2552
2450	=cut	2553	=cut
2451		2554
2452	our $GOTOGEN;	2555	our $GOTOGEN;
2453		2556
…		…
2532	}	2635	}
2533		2636
2534	sub prepare_random_map {	2637	sub prepare_random_map {
2535	my ($exit) = @_;	2638	my ($exit) = @_;
2536		2639
2537	my $guard = cf::lock_acquire "exit_prepare:$exit";
2538
2539	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
2540	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
2541	# that depends on the exit object	2642	# that depends on the exit object
2542		2643
2543	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
2545	if ($exit->map) {	2646	if ($exit->map) {
2546	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
2547	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
2548	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
2549	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
2550	}	2653	}
2551		2654
2552	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2553		2656
2554	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2555	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2556	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2557		2660
2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2559	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
2560	undef $fh;	2663	undef $fh;
2561	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
2562		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
2563	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
2564	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
2565	}	2672	}
2566	}	2673	}
2567		2674
2568	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
2569	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
2570		2677
2571	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
2572		2679
2573	if ($exit->slaying eq "/!") {
2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
2575	# the problem is that $exit might not survive long enough
2576	# so it needs to be done right now, right here
2577	cf::sync_job { prepare_random_map $exit };
2578	}
2579
2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2581	my $hp = $exit->stats->hp;
2582	my $sp = $exit->stats->sp;
2583
2584	$self->enter_link;	2680	$self->enter_link;
2585		2681
2586	# if exit is damned, update players death & WoR home-position
2587	$self->contr->savebed ($slaying, $hp, $sp)
2588	if $exit->flag (FLAG_DAMNED);
2589
2590	(async {	2682	(async {
2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2683	$Coro::current->{desc} = "enter_exit";
2592		2684
2593	$self->deactivate_recursive; # just to be sure
2594	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
2595	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
2596		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
2597	1;	2706	1
2598	}) {	2707	}) {
2599	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2600	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
2601	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2602	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
2603		2712
2604	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2632	the message, with C<log> being the default. If C<$color> is negative, suppress	2741	the message, with C<log> being the default. If C<$color> is negative, suppress
2633	the message unless the client supports the msg packet.	2742	the message unless the client supports the msg packet.
2634		2743
2635	=cut	2744	=cut
2636		2745
		2746	# non-persistent channels (usually the info channel)
2637	our %CHANNEL = (	2747	our %CHANNEL = (
2638	"c/identify" => {	2748	"c/identify" => {
2639	id => "infobox",	2749	id => "infobox",
2640	title => "Identify",	2750	title => "Identify",
2641	reply => undef,	2751	reply => undef,
…		…
2645	id => "infobox",	2755	id => "infobox",
2646	title => "Examine",	2756	title => "Examine",
2647	reply => undef,	2757	reply => undef,
2648	tooltip => "Signs and other items you examined",	2758	tooltip => "Signs and other items you examined",
2649	},	2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
2650	"c/lookat" => {	2766	"c/lookat" => {
2651	id => "infobox",	2767	id => "infobox",
2652	title => "Look",	2768	title => "Look",
2653	reply => undef,	2769	reply => undef,
2654	tooltip => "What you saw there",	2770	tooltip => "What you saw there",
2655	},	2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
2656	);	2846	);
2657		2847
2658	sub cf::client::send_msg {	2848	sub cf::client::send_msg {
2659	my ($self, $channel, $msg, $color, @extra) = @_;	2849	my ($self, $channel, $msg, $color, @extra) = @_;
2660		2850
2661	$msg = $self->pl->expand_cfpod ($msg);	2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
2662		2853
2663	$color &= cf::NDI_CLIENT_MASK; # just in case...	2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
2664		2855
2665	# check predefined channels, for the benefit of C	2856	# check predefined channels, for the benefit of C
2666	if ($CHANNEL{$channel}) {	2857	if ($CHANNEL{$channel}) {
2667	$channel = $CHANNEL{$channel};	2858	$channel = $CHANNEL{$channel};
2668		2859
2669	$self->ext_msg (channel_info => $channel)	2860	$self->ext_msg (channel_info => $channel);
2670	if $self->can_msg;
2671
2672	$channel = $channel->{id};	2861	$channel = $channel->{id};
2673		2862
2674	} elsif (ref $channel) {	2863	} elsif (ref $channel) {
2675	# send meta info to client, if not yet sent	2864	# send meta info to client, if not yet sent
2676	unless (exists $self->{channel}{$channel->{id}}) {	2865	unless (exists $self->{channel}{$channel->{id}}) {
2677	$self->{channel}{$channel->{id}} = $channel;	2866	$self->{channel}{$channel->{id}} = $channel;
2678	$self->ext_msg (channel_info => $channel)	2867	$self->ext_msg (channel_info => $channel);
2679	if $self->can_msg;
2680	}	2868	}
2681		2869
2682	$channel = $channel->{id};	2870	$channel = $channel->{id};
2683	}	2871	}
2684		2872
2685	return unless @extra || length $msg;	2873	return unless @extra || length $msg;
2686		2874
2687	if ($self->can_msg) {
2688	# default colour, mask it out	2875	# default colour, mask it out
2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2690	if $color & cf::NDI_DEF;	2877	if $color & cf::NDI_DEF;
2691		2878
2692	$self->send_packet ("msg " . $self->{json_coder}->encode (	2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2694	} else {	2882	);
2695	if ($color >= 0) {
2696	# replace some tags by gcfclient-compatible ones
2697	for ($msg) {
2698	1 while
2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2704	}
2705		2883
2706	$color &= cf::NDI_COLOR_MASK;	2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
2707		2887
2708	utf8::encode $msg;	2888	# split very large packets
2709		2889	if (8192 < length $pkt and $self->{can_lzf}) {
2710	if (0 && $msg =~ /\[/) {	2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2711	# COMMAND/INFO	2891	$pkt = "frag";
2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
2713	} else {
2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2715	$self->send_packet ("drawinfo $color $msg")
2716	}
2717	}
2718	}	2892	}
		2893
		2894	$self->send_packet ($pkt);
2719	}	2895	}
2720		2896
2721	=item $client->ext_msg ($type, @msg)	2897	=item $client->ext_msg ($type, @msg)
2722		2898
2723	Sends an ext event to the client.	2899	Sends an ext event to the client.
…		…
2897		3073
2898	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2899		3075
2900	cf::object	3076	cf::object
2901	contr pay_amount pay_player map x y force_find force_add destroy	3077	contr pay_amount pay_player map x y force_find force_add destroy
2902	insert remove name archname title slaying race decrease_ob_nr	3078	insert remove name archname title slaying race decrease split
		3079	value
2903		3080
2904	cf::object::player	3081	cf::object::player
2905	player	3082	player
2906		3083
2907	cf::player	3084	cf::player
…		…
2912		3089
2913	=cut	3090	=cut
2914		3091
2915	for (	3092	for (
2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2917	insert remove inv name archname title slaying race	3094	insert remove inv nrof name archname title slaying race
2918	decrease_ob_nr destroy)],	3095	decrease split destroy change_exp value msg lore send_msg)],
2919	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2920	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2921	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2922	) {	3099	) {
2923	no strict 'refs';	3100	no strict 'refs';
2924	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2925	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2942	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2943		3120
2944	my $qcode = $code;	3121	my $qcode = $code;
2945	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2946	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2947		3126
2948	local $_;	3127	local $_;
2949	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2950		3129
2951	my $eval =	3130	my $eval =
…		…
3028	{	3207	{
3029	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
3030		3209
3031	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
3033	cf::face::set_visibility $idx, $info->{visibility};	3213	cf::face::set_visibility $idx, $info->{visibility};
3034	cf::face::set_magicmap $idx, $info->{magicmap};	3214	cf::face::set_magicmap $idx, $info->{magicmap};
3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3037		3217
3038	cf::cede_to_tick;	3218	cf::cede_to_tick;
3039	}	3219	}
3040		3220
3041	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
3042	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
3043	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
3044	or next;	3225	or next;
		3226
3045	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
3046	cf::face::set_smooth $idx, $smooth;	3228	cf::face::set_smooth $idx, $smooth;
3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3048	} else {	3230	} else {
3049	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3067	{	3249	{
3068	# TODO: for gcfclient pleasure, we should give resources	3250	# TODO: for gcfclient pleasure, we should give resources
3069	# that gcfclient doesn't grok a >10000 face index.	3251	# that gcfclient doesn't grok a >10000 face index.
3070	my $res = $facedata->{resource};	3252	my $res = $facedata->{resource};
3071		3253
3072	my $soundconf = delete $res->{"res/sound.conf"};
3073
3074	while (my ($name, $info) = each %$res) {	3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3076	my $data;	3257	my $data;
3077		3258
3078	if ($info->{type} & 1) {	3259	if ($info->{type} & 1) {
3079	# prepend meta info	3260	# prepend meta info
3080		3261
3081	my $meta = $enc->encode ({	3262	my $meta = $enc->encode ({
3082	name => $name,	3263	name => $name,
3083	%{ $info->{meta} || {} },	3264	%{ $info->{meta} || {} },
3084	});	3265	});
3085		3266
3086	$data = pack "(w/a*)*", $meta, $info->{data};	3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
3087	} else {	3274	} else {
3088	$data = $info->{data};	3275	$RESOURCE{$name} = $info;
3089	}	3276	}
3090		3277
3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3092	cf::face::set_type $idx, $info->{type};
3093
3094	cf::cede_to_tick;	3278	cf::cede_to_tick;
3095	}	3279	}
3096
3097	if ($soundconf) {
3098	$soundconf = $enc->decode (delete $soundconf->{data});
3099
3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3101	my $sound = $soundconf->{compat}[$_]
3102	or next;
3103
3104	my $face = cf::face::find "sound/$sound->[1]";
3105	cf::sound::set $sound->[0] => $face;
3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3107	}
3108
3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
3110	my $face = cf::face::find "sound/$v";
3111	cf::sound::set $k => $face;
3112	}
3113	}
3114	}	3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3115		3283
3116	1	3284	1
3117	}	3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
3118		3306
3119	register_exticmd fx_want => sub {	3307	register_exticmd fx_want => sub {
3120	my ($ns, $want) = @_;	3308	my ($ns, $want) = @_;
3121		3309
3122	while (my ($k, $v) = each %$want) {	3310	while (my ($k, $v) = each %$want) {
3123	$ns->fx_want ($k, $v);	3311	$ns->fx_want ($k, $v);
3124	}	3312	}
3125	};	3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
3126		3324
3127	sub reload_regions {	3325	sub reload_regions {
3128	# HACK to clear player env face cache, we need some signal framework	3326	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)	3327	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3328	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3144	}	3342	}
3145		3343
3146	sub reload_archetypes {	3344	sub reload_archetypes {
3147	load_resource_file "$DATADIR/archetypes"	3345	load_resource_file "$DATADIR/archetypes"
3148	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
3149	#d# NEED to laod twice to resolve forward references
3150	# this really needs to be done in an extra post-pass
3151	# (which needs to be synchronous, so solve it differently)
3152	load_resource_file "$DATADIR/archetypes"
3153	or die "unable to load archetypes\n";
3154	}	3347	}
3155		3348
3156	sub reload_treasures {	3349	sub reload_treasures {
3157	load_resource_file "$DATADIR/treasures"	3350	load_resource_file "$DATADIR/treasures"
3158	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
3159	}	3352	}
3160		3353
3161	sub reload_resources {	3354	sub reload_resources {
3162	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
3163		3356
		3357	reload_facedata;
		3358	reload_archetypes;
3164	reload_regions;	3359	reload_regions;
3165	reload_facedata;
3166	#reload_archetypes;#d#
3167	reload_archetypes;
3168	reload_treasures;	3360	reload_treasures;
3169		3361
3170	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
3171	}
3172
3173	sub init {
3174	reload_resources;
3175	}	3363	}
3176		3364
3177	sub reload_config {	3365	sub reload_config {
3178	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
3179	or return;	3367	or return;
3180		3368
3181	local $/;	3369	local $/;
3182	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
3183		3371
3184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3185		3373
3186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3187	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3193	};	3381	};
3194	warn $@ if $@;	3382	warn $@ if $@;
3195	}	3383	}
3196	}	3384	}
3197		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
3198	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
3199	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
3200	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3202	(async {	3423	(async {
3203	$Coro::current->{desc} = "IDLE BUG HANDLER";	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
3204	Event::one_event;	3425	EV::loop EV::LOOP_ONESHOT;
3205	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
3206	};	3427	};
3207		3428
		3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
3208	reload_config;	3433	reload_config;
3209	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
3210	load_extensions;	3447	load_extensions;
3211		3448
3212	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
3213	Event::loop;	3457	EV::loop;
3214	}	3458	}
3215		3459
3216	#############################################################################	3460	#############################################################################
3217	# initialisation and cleanup	3461	# initialisation and cleanup
3218		3462
3219	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
3220	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
3221	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
3222	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3223	reentrant => 0,
3224	data => WF_AUTOCANCEL,
3225	signal => $signal,
3226	prio => 0,
3227	cb => sub {
3228	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
3229	},
3230	);	3469	};
3231	}	3470	}
3232	}	3471	}
3233		3472
3234	sub write_runtime {	3473	sub write_runtime_sync {
3235	my $runtime = "$LOCALDIR/runtime";
3236
3237	# first touch the runtime file to show we are still running:	3474	# first touch the runtime file to show we are still running:
3238	# the fsync below can take a very very long time.	3475	# the fsync below can take a very very long time.
3239		3476
3240	IO::AIO::aio_utime $runtime, undef, undef;	3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3241		3478
3242	my $guard = cf::lock_acquire "write_runtime";	3479	my $guard = cf::lock_acquire "write_runtime";
3243		3480
3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3245	or return;	3482	or return;
3246		3483
3247	my $value = $cf::RUNTIME + 90 + 10;	3484	my $value = $cf::RUNTIME + 90 + 10;
3248	# 10 is the runtime save interval, for a monotonic clock	3485	# 10 is the runtime save interval, for a monotonic clock
3249	# 60 allows for the watchdog to kill the server.	3486	# 60 allows for the watchdog to kill the server.
…		…
3259	aio_utime $fh, undef, undef;	3496	aio_utime $fh, undef, undef;
3260		3497
3261	close $fh	3498	close $fh
3262	or return;	3499	or return;
3263		3500
3264	aio_rename "$runtime~", $runtime	3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3265	and return;	3502	and return;
3266		3503
3267	warn "runtime file written.\n";	3504	warn "runtime file written.\n";
3268		3505
3269	1	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
3270	}	3557	}
3271		3558
3272	sub emergency_save() {	3559	sub emergency_save() {
3273	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
3274		3561
3275	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
3276		3563
3277	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
3278	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
3279	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
3280	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
3281	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
3282	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
3283	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
3284	$pl->valid or next;	3576	$pl->valid or next;
3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3286	$pl->save;	3578	$pl->save;
3287	}	3579	}
3288	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
3289		3581
3290	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
3291	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
3292	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
3293	$map->valid or next;	3585	$map->valid or next;
3294	$map->save;	3586	$map->save;
3295	}	3587	}
3296	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
3297		3589
3298	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
3299	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
3300	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
3301	};	3597	};
3302		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
3303	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
3304	}	3605	}
3305		3606
3306	sub post_cleanup {	3607	sub post_cleanup {
3307	my ($make_core) = @_;	3608	my ($make_core) = @_;
3308		3609
3309	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
3310	if $make_core;	3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
3311	}	3641	}
3312		3642
3313	sub do_reload_perl() {	3643	sub do_reload_perl() {
3314	# can/must only be called in main	3644	# can/must only be called in main
3315	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
3316	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
3317	return;	3647	return;
3318	}	3648	}
3319		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
3320	warn "reloading...";	3655	warn "reloading...";
3321		3656
3322	warn "entering sync_job";	3657	warn "entering sync_job";
3323		3658
3324	cf::sync_job {	3659	cf::sync_job {
3325	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
3326	cf::emergency_save;	3661	cf::emergency_save;
3327	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
3328		3663
3329	warn "syncing database to disk";	3664	warn "syncing database to disk";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
3331		3666
3332	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
3333		3668
3334	warn "cancelling all WF_AUTOCANCEL watchers";
3335	for (Event::all_watchers) {
3336	$_->cancel if $_->data & WF_AUTOCANCEL;
3337	}
3338
3339	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
3340	for (;;) {
3341	BDB::flush;
3342	IO::AIO::flush;
3343	Coro::cede;
3344	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
3345	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3346	}
3347
3348	++$RELOAD;
3349
3350	warn "cancelling all extension coros";
3351	$_->cancel for values %EXT_CORO;
3352	%EXT_CORO = ();
3353
3354	warn "removing commands";
3355	%COMMAND = ();
3356
3357	warn "removing ext/exti commands";
3358	%EXTCMD = ();
3359	%EXTICMD = ();
3360
3361	warn "unloading/nuking all extensions";
3362	for my $pkg (@EXTS) {
3363	warn "... unloading $pkg";
3364
3365	if (my $cb = $pkg->can ("unload")) {
3366	eval {
3367	$cb->($pkg);
3368	1
3369	} or warn "$pkg unloaded, but with errors: $@";
3370	}	3672	}
3371		3673
3372	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
3373	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
3374	}	3676	%EXT_CORO = ();
3375		3677
3376	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
3377	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
3378	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3379		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
3380	warn "... unloading $k";	3687	warn "... unloading $pkg";
3381	delete $INC{$k};
3382		3688
3383	$k =~ s/\.pm$//;
3384	$k =~ s/\//::/g;
3385
3386	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
3387	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
3388	}	3698	}
3389		3699
3390	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
3391	}	3715	}
3392		3716
3393	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
3394	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3396		3720
3397	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
3398	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
3399	delete $INC{"cf/pod.pm"};	3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3400		3724
3401	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
3402	# and global variables created in xs	3726	# and global variables created in xs
3403	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
3404		3728
3405	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
3406		3730
3407	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
3408	require cf;	3732	require cf;
3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3410		3734
3411	warn "loading config and database again";	3735	warn "loading config and database again";
3412	cf::reload_config;	3736	cf::reload_config;
3413		3737
3414	warn "loading extensions";	3738	warn "loading extensions";
3415	cf::load_extensions;	3739	cf::load_extensions;
3416		3740
		3741	if ($REATTACH_ON_RELOAD) {
3417	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
3418	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
3419	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
3420	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
3421	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
3422	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
3423		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
3424	warn "leaving sync_job";	3753	warn "leaving sync_job";
3425		3754
3426	1	3755	1
3427	} or do {	3756	} or do {
3428	warn $@;	3757	warn $@;
3429	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
3430	exit 1;
3431	};	3759	};
3432		3760
3433	warn "reloaded";	3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
3434	};	3767	};
3435		3768
3436	our $RELOAD_WATCHER; # used only during reload	3769	our $RELOAD_WATCHER; # used only during reload
3437		3770
3438	sub reload_perl() {	3771	sub reload_perl() {
3439	# doing reload synchronously and two reloads happen back-to-back,	3772	# doing reload synchronously and two reloads happen back-to-back,
3440	# coro crashes during coro_state_free->destroy here.	3773	# coro crashes during coro_state_free->destroy here.
3441		3774
3442	$RELOAD_WATCHER ||= Event->timer (	3775	$RELOAD_WATCHER ||= cf::async {
3443	reentrant => 0,	3776	Coro::AIO::aio_wait cache_extensions;
3444	after => 0,	3777
3445	data => WF_AUTOCANCEL,	3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3446	cb => sub {
3447	do_reload_perl;	3779	do_reload_perl;
3448	undef $RELOAD_WATCHER;	3780	undef $RELOAD_WATCHER;
3449	},	3781	};
3450	);	3782	};
3451	}	3783	}
3452		3784
3453	register_command "reload" => sub {	3785	register_command "reload" => sub {
3454	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
3455		3787
…		…
3468		3800
3469	our @WAIT_FOR_TICK;	3801	our @WAIT_FOR_TICK;
3470	our @WAIT_FOR_TICK_BEGIN;	3802	our @WAIT_FOR_TICK_BEGIN;
3471		3803
3472	sub wait_for_tick {	3804	sub wait_for_tick {
3473	return unless $TICK_WATCHER->is_active;
3474	return if $Coro::current == $Coro::main;	3805	return if tick_inhibit || $Coro::current == $Coro::main;
3475		3806
3476	my $signal = new Coro::Signal;	3807	my $signal = new Coro::Signal;
3477	push @WAIT_FOR_TICK, $signal;	3808	push @WAIT_FOR_TICK, $signal;
3478	$signal->wait;	3809	$signal->wait;
3479	}	3810	}
3480		3811
3481	sub wait_for_tick_begin {	3812	sub wait_for_tick_begin {
3482	return unless $TICK_WATCHER->is_active;
3483	return if $Coro::current == $Coro::main;	3813	return if tick_inhibit || $Coro::current == $Coro::main;
3484		3814
3485	my $signal = new Coro::Signal;	3815	my $signal = new Coro::Signal;
3486	push @WAIT_FOR_TICK_BEGIN, $signal;	3816	push @WAIT_FOR_TICK_BEGIN, $signal;
3487	$signal->wait;	3817	$signal->wait;
3488	}	3818	}
3489		3819
3490	$TICK_WATCHER = Event->timer (	3820	sub tick {
3491	reentrant => 0,
3492	parked => 1,
3493	prio => 0,
3494	at => $NEXT_TICK || $TICK,
3495	data => WF_AUTOCANCEL,
3496	cb => sub {
3497	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3499	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
3500	return;	3824	return;
3501	}	3825	}
3502		3826
3503	$NOW = $tick_start = Event::time;
3504
3505	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
3506		3828
3507	$RUNTIME += $TICK;
3508	$NEXT_TICK += $TICK;
3509
3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3511	$NEXT_RUNTIME_WRITE = $NOW + 10;	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3512	Coro::async_pool {	3831	Coro::async_pool {
3513	$Coro::current->{desc} = "runtime saver";	3832	$Coro::current->{desc} = "runtime saver";
3514	write_runtime	3833	write_runtime_sync
3515	or warn "ERROR: unable to write runtime file: $!";	3834	or warn "ERROR: unable to write runtime file: $!";
3516	};
3517	}	3835	};
		3836	}
3518		3837
3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3520	$sig->send;	3839	$sig->send;
3521	}	3840	}
3522	while (my $sig = shift @WAIT_FOR_TICK) {	3841	while (my $sig = shift @WAIT_FOR_TICK) {
3523	$sig->send;	3842	$sig->send;
3524	}	3843	}
3525		3844
3526	$NOW = Event::time;	3845	$LOAD = ($NOW - $TICK_START) / $TICK;
3527
3528	# if we are delayed by four ticks or more, skip them all
3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3530
3531	$TICK_WATCHER->at ($NEXT_TICK);
3532	$TICK_WATCHER->start;
3533
3534	$LOAD = ($NOW - $tick_start) / $TICK;
3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3536		3847
3537	_post_tick;	3848	if (0) {
		3849	if ($NEXT_TICK) {
		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
3538	},	3854	}
3539	);	3855	}
3540		3856
3541	{	3857	{
		3858	# configure BDB
		3859
3542	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
3543	BDB::max_poll_time $TICK * 0.1;	3861	BDB::max_poll_reqs $TICK * 0.1;
3544	$BDB_POLL_WATCHER = Event->io (	3862	$AnyEvent::BDB::WATCHER->priority (1);
3545	reentrant => 0,
3546	fd => BDB::poll_fileno,
3547	poll => 'r',
3548	prio => 0,
3549	data => WF_AUTOCANCEL,
3550	cb => \&BDB::poll_cb,
3551	);
3552
3553	BDB::set_sync_prepare {
3554	my $status;
3555	my $current = $Coro::current;
3556	(
3557	sub {
3558	$status = $!;
3559	$current->ready; undef $current;
3560	},
3561	sub {
3562	Coro::schedule while defined $current;
3563	$! = $status;
3564	},
3565	)
3566	};
3567		3863
3568	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
3569	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3571	| BDB::LOG_AUTOREMOVE, 1);	3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3574		3871
3575	cf::sync_job {	3872	cf::sync_job {
3576	eval {	3873	eval {
…		…
3586		3883
3587	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
3588	};	3885	};
3589	}	3886	}
3590		3887
3591	$BDB_DEADLOCK_WATCHER = Event->timer (	3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3592	after => 3,
3593	interval => 1,
3594	hard => 1,
3595	prio => 0,
3596	data => WF_AUTOCANCEL,
3597	cb => sub {
3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3599	},
3600	);	3890	};
3601	$BDB_CHECKPOINT_WATCHER = Event->timer (	3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3602	after => 11,
3603	interval => 60,
3604	hard => 1,
3605	prio => 0,
3606	data => WF_AUTOCANCEL,
3607	cb => sub {
3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3609	},
3610	);	3893	};
3611	$BDB_TRICKLE_WATCHER = Event->timer (	3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3612	after => 5,
3613	interval => 10,
3614	hard => 1,
3615	prio => 0,
3616	data => WF_AUTOCANCEL,
3617	cb => sub {
3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3619	},
3620	);	3896	};
3621	}	3897	}
3622		3898
3623	{	3899	{
		3900	# configure IO::AIO
		3901
3624	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
3625
3626	undef $Coro::AIO::WATCHER;
3627	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
3628	$AIO_POLL_WATCHER = Event->io (	3904	undef $AnyEvent::AIO::WATCHER;
3629	reentrant => 0,
3630	data => WF_AUTOCANCEL,
3631	fd => IO::AIO::poll_fileno,
3632	poll => 'r',
3633	prio => 0,
3634	cb => \&IO::AIO::poll_cb,
3635	);
3636	}	3905	}
3637		3906
3638	my $_log_backtrace;	3907	my $_log_backtrace;
3639		3908
3640	sub _log_backtrace {	3909	sub _log_backtrace {
…		…
3643	$msg =~ s/\n//;	3912	$msg =~ s/\n//;
3644		3913
3645	# limit the # of concurrent backtraces	3914	# limit the # of concurrent backtraces
3646	if ($_log_backtrace < 2) {	3915	if ($_log_backtrace < 2) {
3647	++$_log_backtrace;	3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
3648	async {	3918	async {
3649	$Coro::current->{desc} = "abt $msg";	3919	$Coro::current->{desc} = "abt $msg";
3650		3920
3651	my @bt = fork_call {	3921	my @bt = fork_call {
3652	@addr = map { sprintf "%x", $_ } @addr;	3922	@addr = map { sprintf "%x", $_ } @addr;
…		…
3663	}	3933	}
3664		3934
3665	@funcs	3935	@funcs
3666	};	3936	};
3667		3937
3668	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3669	LOG llevInfo, "[ABT] $_\n" for @bt;	3940	LOG llevInfo, "[ABT] $_\n" for @bt;
3670	--$_log_backtrace;	3941	--$_log_backtrace;
3671	};	3942	};
3672	} else {	3943	} else {
3673	LOG llevInfo, "[ABT] $msg\n";	3944	LOG llevInfo, "[ABT] $msg\n";
3674	LOG llevInfo, "[ABT] [suppressed]\n";	3945	LOG llevInfo, "[ABT] [suppressed]\n";
3675	}	3946	}
3676	}	3947	}
3677		3948
3678	# load additional modules	3949	# load additional modules
3679	use cf::pod;	3950	require "cf/$_.pm" for @EXTRA_MODULES;
3680		3951
3681	END { cf::emergency_save }	3952	END { cf::emergency_save }
3682		3953
3683	1	3954	1
3684		3955

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