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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.382 by root, Thu Oct 11 00:34:31 2007 UTC vs.
Revision 1.468 by root, Thu Jan 8 19:23:44 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 off
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	aio_fsync $fh if $cf::USE_FSYNC;
1046	close $fh;	1157	aio_close $fh;
1047		1158
1048	if (@$objs) {	1159	if (@$objs) {
1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1052	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
1053	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
1054	close $fh;	1165	aio_close $fh;
1055	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
1056	}	1167	}
1057	} else {	1168	} else {
1058	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
1059	}	1170	}
1060		1171
1061	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
1062	} else {	1176	} else {
1063	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
1064	}	1178	}
1065	} else {	1179	} else {
1066	aio_unlink $filename;	1180	aio_unlink $filename;
1067	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1068	}	1182	}
…		…
1087		1201
1088	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1204	or return;
1091		1205
1092	my $st = eval { Coro::Storable::thaw $av }	1206	my $st = eval { Coro::Storable::thaw $av };
1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1094	$av = $st->{objs};	1207	$av = $st->{objs};
1095	}	1208	}
1096		1209
1097	utf8::decode (my $decname = $filename);	1210	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
…		…
1160	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
1161		1274
1162	$EXTICMD{$name} = $cb;	1275	$EXTICMD{$name} = $cb;
1163	}	1276	}
1164		1277
		1278	use File::Glob ();
		1279
1165	cf::player->attach (	1280	cf::player->attach (
1166	on_command => sub {	1281	on_command => sub {
1167	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
1168		1283
1169	my $cb = $COMMAND{$name}	1284	my $cb = $COMMAND{$name}
…		…
1201		1316
1202	cf::override;	1317	cf::override;
1203	},	1318	},
1204	);	1319	);
1205		1320
		1321	# "readahead" all extensions
		1322	sub cache_extensions {
		1323	my $grp = IO::AIO::aio_group;
		1324
		1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1326	for (grep /\.ext$/, @{$_[0]}) {
		1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1328	}
		1329	};
		1330
		1331	$grp
		1332	}
		1333
1206	sub load_extensions {	1334	sub load_extensions {
1207	cf::sync_job {	1335	cf::sync_job {
1208	my %todo;	1336	my %todo;
1209		1337
1210	for my $path (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
…		…
1229		1357
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1360
1233	$ext{source} =	1361	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1235	. "#line 1 \"$path\"\n{\n"	1363	. "#line 1 \"$path\"\n{\n"
1236	. $source	1364	. $source
1237	. "\n};\n1";	1365	. "\n};\n1";
1238		1366
1239	$todo{$base} = \%ext;	1367	$todo{$base} = \%ext;
…		…
1255	my $msg = $@ ? "$v->{path}: $@\n"	1383	my $msg = $@ ? "$v->{path}: $@\n"
1256	: "$v->{base}: extension inactive.\n";	1384	: "$v->{base}: extension inactive.\n";
1257		1385
1258	if (exists $v->{meta}{mandatory}) {	1386	if (exists $v->{meta}{mandatory}) {
1259	warn $msg;	1387	warn $msg;
1260	warn "mandatory extension failed to load, exiting.\n";	1388	cf::cleanup "mandatory extension failed to load, exiting.";
1261	exit 1;
1262	}	1389	}
1263		1390
1264	warn $msg;	1391	warn $msg;
1265	}	1392	}
1266		1393
…		…
1280		1407
1281	=back	1408	=back
1282		1409
1283	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
1284		1411
1285	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
1286		1413
1287	=cut	1414	=cut
1288		1415
1289	package cf::player;	1416	package cf::player;
1290		1417
…		…
1333		1460
1334	sub exists($) {	1461	sub exists($) {
1335	my ($login) = @_;	1462	my ($login) = @_;
1336		1463
1337	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1339	}	1466	}
1340		1467
1341	sub find($) {	1468	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1470	my $login = $_[0];
…		…
1355	my $f = new_from_file cf::object::thawer path $login	1482	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1483	or return;
1357		1484
1358	my $pl = cf::player::load_pl $f	1485	my $pl = cf::player::load_pl $f
1359	or return;	1486	or return;
		1487
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1488	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1489	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1363	}	1491	}
1364	}	1492	}
…		…
1374		1502
1375	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1376		1504
1377	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
		1507
		1508	cf::get_slot 0.01;
1379		1509
1380	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1511	cf::cede_to_tick;
1382	}	1512	}
1383		1513
…		…
1415	my ($pl) = @_;	1545	my ($pl) = @_;
1416		1546
1417	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1418		1548
1419	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1420	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1421		1551
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1423	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1425	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1426		1558
1427	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1467		1599
1468	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
1469	my $path = path $login;	1601	my $path = path $login;
1470		1602
1471	# a .pst is a dead give-away for a valid player	1603	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1609	}
1477		1610
…		…
1508	}	1641	}
1509		1642
1510	\@paths	1643	\@paths
1511	}	1644	}
1512		1645
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1647
1515	Expand crossfire pod fragments into protocol xml.	1648	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		1649
1564	=item $player->ext_reply ($msgid, @msg)	1650	=item $player->ext_reply ($msgid, @msg)
1565		1651
1566	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1567		1653
…		…
1634	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1636		1722
1637	sub generate_random_map {	1723	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1639	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1640	$self->_create_random_map (	1729	$self->_create_random_map (
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1765		1854
1766	# the temporary/swap location	1855	# the temporary/swap location
1767	sub save_path {	1856	sub save_path {
1768	my ($self) = @_;	1857	my ($self) = @_;
1769		1858
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1772	}	1861	}
1773		1862
1774	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1775	sub uniq_path {	1864	sub uniq_path {
1776	my ($self) = @_;	1865	my ($self) = @_;
1777		1866
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	1868	"$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	}	1869	}
1790		1870
1791	sub decay_objects {	1871	sub decay_objects {
1792	my ($self) = @_;	1872	my ($self) = @_;
1793		1873
…		…
1877	sub find {	1957	sub find {
1878	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1879		1959
1880	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1881		1961
1882	cf::lock_wait "map_data:$path";#d#remove	1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1884		1964
1885	$cf::MAP{$path} || do {	1965	$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	1966	my $map = new_from_path cf::map $path
1890	or return;	1967	or return;
1891		1968
1892	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1893		1970
…		…
1895	or return;	1972	or return;
1896		1973
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
1900	undef $guard1;	1978	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	1979	$map->reset;
1903	return find $path;	1980	return find $path;
1904	}	1981	}
1905		1982
1906	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
…		…
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2011	$f->skip_block;
1935	$self->_load_objects ($f)	2012	$self->_load_objects ($f)
1936	or return;	2013	or return;
1937		2014
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1939	if delete $self->{load_original};	2016	if delete $self->{load_original};
1940		2017
1941	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2019	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2020	unless (aio_stat $uniq) {
…		…
1961	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2039	$self->decay_objects;
1963	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1964	$self->update_buttons;	2041	$self->update_buttons;
1965	cf::cede_to_tick;	2042	cf::cede_to_tick;
1966	$self->set_darkness_map;
1967	cf::cede_to_tick;
1968	$self->activate;	2043	$self->activate;
1969	}	2044	}
1970		2045
1971	$self->{last_save} = $cf::RUNTIME;	2046	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2047	$self->last_access ($cf::RUNTIME);
1973		2048
1974	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1975	}	2050	}
1976		2051
1977	$self->post_load;	2052	$self->post_load;
1978	}	2053	}
1979		2054
…		…
2037	my ($path, $origin, $load) = @_;	2112	my ($path, $origin, $load) = @_;
2038		2113
2039	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
2040		2115
2041	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043	}	2118	}
2044		2119
2045	$MAP_PREFETCH{$path} |= $load;	2120	$MAP_PREFETCH{$path} |= $load;
2046		2121
2047	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
…		…
2084	cf::async {	2159	cf::async {
2085	$Coro::current->{desc} = "map player save";	2160	$Coro::current->{desc} = "map player save";
2086	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
2087	};	2162	};
2088		2163
		2164	cf::get_slot 0.02;
		2165
2089	if ($uniq) {	2166	if ($uniq) {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2091	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2092	} else {	2169	} else {
2093	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2170	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2101	$self->save;	2178	$self->save;
2102		2179
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2181
2105	return if $self->players;	2182	return if $self->players;
2106	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
2107	return if $self->{deny_save};	2184	return if $self->{deny_save};
2108		2185
2109	$self->in_memory (cf::MAP_SWAPPED);	2186	$self->in_memory (cf::MAP_SWAPPED);
2110		2187
2111	$self->deactivate;	2188	$self->deactivate;
…		…
2229		2306
2230	sub unique_maps() {	2307	sub unique_maps() {
2231	[	2308	[
2232	map {	2309	map {
2233	utf8::decode $_;	2310	utf8::decode $_;
2234	/\.map$/	2311	s/\.map$//; # TODO future compatibility hack
		2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2313	? ()
2235	? normalise $_	2314	: normalise $_
2236	: ()
2237	} @{ aio_readdir $UNIQUEDIR or [] }	2315	} @{ aio_readdir $UNIQUEDIR or [] }
2238	]	2316	]
2239	}	2317	}
2240		2318
2241	package cf;
2242
2243	=back	2319	=back
2244		2320
2245	=head3 cf::object	2321	=head3 cf::object
2246		2322
2247	=cut	2323	=cut
…		…
2250		2326
2251	=over 4	2327	=over 4
2252		2328
2253	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
2254		2330
2255	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
2256		2333
2257	=cut	2334	=cut
2258		2335
2259	sub inv_recursive_;	2336	sub inv_recursive_;
2260	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
2265	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
2266	}	2343	}
2267		2344
2268	=item $ref = $ob->ref	2345	=item $ref = $ob->ref
2269		2346
2270	creates and returns a persistent reference to an objetc that can be stored as a string.	2347	Creates and returns a persistent reference to an object that can be stored as a string.
2271		2348
2272	=item $ob = cf::object::deref ($refstring)	2349	=item $ob = cf::object::deref ($refstring)
2273		2350
2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2275	even if the object actually exists. May block.	2352	even if the object actually exists. May block.
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
2309		2386
2310	=cut	2387	=cut
2311		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
		2402
2312	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2404	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2407	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2418	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2420
2330	} else {	2421	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2424	}
2334	}	2425	}
2335	}	2426	}
2336		2427
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2453
2363	=item $player_object->enter_link	2454	=item $player_object->enter_link
2364		2455
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2457
2367	The player should be reasonably safe there for short amounts of time. You	2458	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.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
2369		2462
2370	Will never block.	2463	Will never block.
2371		2464
2372	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
2373		2466
…		…
2431		2524
2432	$map->load;	2525	$map->load;
2433	$map->load_neighbours;	2526	$map->load_neighbours;
2434		2527
2435	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2436	$self->activate_recursive;	2530	$self->activate_recursive;
2437		2531
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2440	}	2534	}
…		…
2444	Moves the player to the given map-path and coordinates by first freezing	2538	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	2539	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	2540	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	2541	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2542	be called at the end of this process.
		2543
		2544	Note that $check will be called with a potentially non-loaded map, so if
		2545	it needs a loaded map it has to call C<< ->load >>.
2449		2546
2450	=cut	2547	=cut
2451		2548
2452	our $GOTOGEN;	2549	our $GOTOGEN;
2453		2550
…		…
2532	}	2629	}
2533		2630
2534	sub prepare_random_map {	2631	sub prepare_random_map {
2535	my ($exit) = @_;	2632	my ($exit) = @_;
2536		2633
2537	my $guard = cf::lock_acquire "exit_prepare:$exit";
2538
2539	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2540	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2541	# that depends on the exit object	2636	# that depends on the exit object
2542		2637
2543	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2545	if ($exit->map) {	2640	if ($exit->map) {
2546	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2547	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2548	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2549	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2550	}	2647	}
2551		2648
2552	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2553		2650
2554	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2555	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2556	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2557		2654
2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2559	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2560	undef $fh;	2657	undef $fh;
2561	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2562		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2563	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2564	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2565	}	2666	}
2566	}	2667	}
2567		2668
2568	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2569	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2570		2671
2571	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2572		2673
2573	if ($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;	2674	$self->enter_link;
2585		2675
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 {	2676	(async {
2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2677	$Coro::current->{desc} = "enter_exit";
2592		2678
2593	$self->deactivate_recursive; # just to be sure
2594	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2595	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2596		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2597	1;	2700	1
2598	}) {	2701	}) {
2599	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2600	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2601	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2602	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2603		2706
2604	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2632	the message, with C<log> being the default. If C<$color> is negative, suppress	2735	the message, with C<log> being the default. If C<$color> is negative, suppress
2633	the message unless the client supports the msg packet.	2736	the message unless the client supports the msg packet.
2634		2737
2635	=cut	2738	=cut
2636		2739
		2740	# non-persistent channels (usually the info channel)
2637	our %CHANNEL = (	2741	our %CHANNEL = (
2638	"c/identify" => {	2742	"c/identify" => {
2639	id => "infobox",	2743	id => "infobox",
2640	title => "Identify",	2744	title => "Identify",
2641	reply => undef,	2745	reply => undef,
…		…
2645	id => "infobox",	2749	id => "infobox",
2646	title => "Examine",	2750	title => "Examine",
2647	reply => undef,	2751	reply => undef,
2648	tooltip => "Signs and other items you examined",	2752	tooltip => "Signs and other items you examined",
2649	},	2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
2650	"c/lookat" => {	2760	"c/lookat" => {
2651	id => "infobox",	2761	id => "infobox",
2652	title => "Look",	2762	title => "Look",
2653	reply => undef,	2763	reply => undef,
2654	tooltip => "What you saw there",	2764	tooltip => "What you saw there",
2655	},	2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/resistances" => {
		2791	id => "infobox",
		2792	title => "Resistances",
		2793	reply => undef,
		2794	tooltip => "Shows your resistances",
		2795	},
		2796	"c/pets" => {
		2797	id => "infobox",
		2798	title => "Pets",
		2799	reply => undef,
		2800	tooltip => "Shows information abotu your pets/a specific pet",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	"c/death" => {
		2821	id => "death",
		2822	title => "Death",
		2823	reply => undef,
		2824	tooltip => "Reason for and more info about your most recent death",
		2825	},
		2826	"c/say" => $SAY_CHANNEL,
		2827	"c/chat" => $CHAT_CHANNEL,
2656	);	2828	);
2657		2829
2658	sub cf::client::send_msg {	2830	sub cf::client::send_msg {
2659	my ($self, $channel, $msg, $color, @extra) = @_;	2831	my ($self, $channel, $msg, $color, @extra) = @_;
2660		2832
2661	$msg = $self->pl->expand_cfpod ($msg);	2833	$msg = $self->pl->expand_cfpod ($msg)
		2834	unless $color & cf::NDI_VERBATIM;
2662		2835
2663	$color &= cf::NDI_CLIENT_MASK; # just in case...	2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
2664		2837
2665	# check predefined channels, for the benefit of C	2838	# check predefined channels, for the benefit of C
2666	if ($CHANNEL{$channel}) {	2839	if ($CHANNEL{$channel}) {
2667	$channel = $CHANNEL{$channel};	2840	$channel = $CHANNEL{$channel};
2668		2841
2669	$self->ext_msg (channel_info => $channel)	2842	$self->ext_msg (channel_info => $channel);
2670	if $self->can_msg;
2671
2672	$channel = $channel->{id};	2843	$channel = $channel->{id};
2673		2844
2674	} elsif (ref $channel) {	2845	} elsif (ref $channel) {
2675	# send meta info to client, if not yet sent	2846	# send meta info to client, if not yet sent
2676	unless (exists $self->{channel}{$channel->{id}}) {	2847	unless (exists $self->{channel}{$channel->{id}}) {
2677	$self->{channel}{$channel->{id}} = $channel;	2848	$self->{channel}{$channel->{id}} = $channel;
2678	$self->ext_msg (channel_info => $channel)	2849	$self->ext_msg (channel_info => $channel);
2679	if $self->can_msg;
2680	}	2850	}
2681		2851
2682	$channel = $channel->{id};	2852	$channel = $channel->{id};
2683	}	2853	}
2684		2854
2685	return unless @extra || length $msg;	2855	return unless @extra || length $msg;
2686		2856
2687	if ($self->can_msg) {
2688	# default colour, mask it out	2857	# default colour, mask it out
2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2858	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2690	if $color & cf::NDI_DEF;	2859	if $color & cf::NDI_DEF;
2691		2860
2692	$self->send_packet ("msg " . $self->{json_coder}->encode (	2861	my $pkt = "msg "
		2862	. $self->{json_coder}->encode (
2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2694	} else {	2864	);
2695	if ($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		2865
2706	$color &= cf::NDI_COLOR_MASK;	2866	# try lzf for large packets
		2867	$pkt = "lzf " . Compress::LZF::compress $pkt
		2868	if 1024 <= length $pkt and $self->{can_lzf};
2707		2869
2708	utf8::encode $msg;	2870	# split very large packets
2709		2871	if (8192 < length $pkt and $self->{can_lzf}) {
2710	if (0 && $msg =~ /\[/) {	2872	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2711	# COMMAND/INFO	2873	$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	}	2874	}
		2875
		2876	$self->send_packet ($pkt);
2719	}	2877	}
2720		2878
2721	=item $client->ext_msg ($type, @msg)	2879	=item $client->ext_msg ($type, @msg)
2722		2880
2723	Sends an ext event to the client.	2881	Sends an ext event to the client.
…		…
2896	=pod	3054	=pod
2897		3055
2898	The following functions and methods are available within a safe environment:	3056	The following functions and methods are available within a safe environment:
2899		3057
2900	cf::object	3058	cf::object
2901	contr pay_amount pay_player map x y force_find force_add	3059	contr pay_amount pay_player map x y force_find force_add destroy
2902	insert remove name archname title slaying race decrease_ob_nr	3060	insert remove name archname title slaying race decrease split
		3061	value
2903		3062
2904	cf::object::player	3063	cf::object::player
2905	player	3064	player
2906		3065
2907	cf::player	3066	cf::player
…		…
2912		3071
2913	=cut	3072	=cut
2914		3073
2915	for (	3074	for (
2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2917	insert remove inv name archname title slaying race	3076	insert remove inv nrof name archname title slaying race
2918	decrease_ob_nr)],	3077	decrease split destroy change_exp value msg lore send_msg)],
2919	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2920	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful send_msg)],
2921	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2922	) {	3081	) {
2923	no strict 'refs';	3082	no strict 'refs';
2924	my ($pkg, @funs) = @$_;	3083	my ($pkg, @funs) = @$_;
2925	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3084	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2942	my ($code, %vars) = @_;	3101	my ($code, %vars) = @_;
2943		3102
2944	my $qcode = $code;	3103	my $qcode = $code;
2945	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3104	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2946	$qcode =~ s/\n/\\n/g;	3105	$qcode =~ s/\n/\\n/g;
		3106
		3107	%vars = (_dummy => 0) unless %vars;
2947		3108
2948	local $_;	3109	local $_;
2949	local @safe::cf::_safe_eval_args = values %vars;	3110	local @safe::cf::_safe_eval_args = values %vars;
2950		3111
2951	my $eval =	3112	my $eval =
…		…
3028	{	3189	{
3029	my $faces = $facedata->{faceinfo};	3190	my $faces = $facedata->{faceinfo};
3030		3191
3031	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3193	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3194
3033	cf::face::set_visibility $idx, $info->{visibility};	3195	cf::face::set_visibility $idx, $info->{visibility};
3034	cf::face::set_magicmap $idx, $info->{magicmap};	3196	cf::face::set_magicmap $idx, $info->{magicmap};
3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3197	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};	3198	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3037		3199
3038	cf::cede_to_tick;	3200	cf::cede_to_tick;
3039	}	3201	}
3040		3202
3041	while (my ($face, $info) = each %$faces) {	3203	while (my ($face, $info) = each %$faces) {
3042	next unless $info->{smooth};	3204	next unless $info->{smooth};
		3205
3043	my $idx = cf::face::find $face	3206	my $idx = cf::face::find $face
3044	or next;	3207	or next;
		3208
3045	if (my $smooth = cf::face::find $info->{smooth}) {	3209	if (my $smooth = cf::face::find $info->{smooth}) {
3046	cf::face::set_smooth $idx, $smooth;	3210	cf::face::set_smooth $idx, $smooth;
3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3211	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3048	} else {	3212	} else {
3049	warn "smooth face '$info->{smooth}' not found for face '$face'";	3213	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3067	{	3231	{
3068	# TODO: for gcfclient pleasure, we should give resources	3232	# TODO: for gcfclient pleasure, we should give resources
3069	# that gcfclient doesn't grok a >10000 face index.	3233	# that gcfclient doesn't grok a >10000 face index.
3070	my $res = $facedata->{resource};	3234	my $res = $facedata->{resource};
3071		3235
3072	my $soundconf = delete $res->{"res/sound.conf"};
3073
3074	while (my ($name, $info) = each %$res) {	3236	while (my ($name, $info) = each %$res) {
		3237	if (defined $info->{type}) {
3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3238	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3076	my $data;	3239	my $data;
3077		3240
3078	if ($info->{type} & 1) {	3241	if ($info->{type} & 1) {
3079	# prepend meta info	3242	# prepend meta info
3080		3243
3081	my $meta = $enc->encode ({	3244	my $meta = $enc->encode ({
3082	name => $name,	3245	name => $name,
3083	%{ $info->{meta} || {} },	3246	%{ $info->{meta} || {} },
3084	});	3247	});
3085		3248
3086	$data = pack "(w/a*)*", $meta, $info->{data};	3249	$data = pack "(w/a*)*", $meta, $info->{data};
		3250	} else {
		3251	$data = $info->{data};
		3252	}
		3253
		3254	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3255	cf::face::set_type $idx, $info->{type};
3087	} else {	3256	} else {
3088	$data = $info->{data};	3257	$RESOURCE{$name} = $info;
3089	}	3258	}
3090		3259
3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3092	cf::face::set_type $idx, $info->{type};
3093
3094	cf::cede_to_tick;	3260	cf::cede_to_tick;
3095	}	3261	}
3096
3097	if ($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	}	3262	}
		3263
		3264	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3115		3265
3116	1	3266	1
3117	}	3267	}
		3268
		3269	cf::global->attach (on_resource_update => sub {
		3270	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3271	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3272
		3273	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3274	my $sound = $soundconf->{compat}[$_]
		3275	or next;
		3276
		3277	my $face = cf::face::find "sound/$sound->[1]";
		3278	cf::sound::set $sound->[0] => $face;
		3279	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3280	}
		3281
		3282	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3283	my $face = cf::face::find "sound/$v";
		3284	cf::sound::set $k => $face;
		3285	}
		3286	}
		3287	});
3118		3288
3119	register_exticmd fx_want => sub {	3289	register_exticmd fx_want => sub {
3120	my ($ns, $want) = @_;	3290	my ($ns, $want) = @_;
3121		3291
3122	while (my ($k, $v) = each %$want) {	3292	while (my ($k, $v) = each %$want) {
3123	$ns->fx_want ($k, $v);	3293	$ns->fx_want ($k, $v);
3124	}	3294	}
3125	};	3295	};
		3296
		3297	sub load_resource_file($) {
		3298	my $guard = lock_acquire "load_resource_file";
		3299
		3300	my $status = load_resource_file_ $_[0];
		3301	get_slot 0.1, 100;
		3302	cf::arch::commit_load;
		3303
		3304	$status
		3305	}
3126		3306
3127	sub reload_regions {	3307	sub reload_regions {
3128	# HACK to clear player env face cache, we need some signal framework	3308	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)	3309	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3310	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3144	}	3324	}
3145		3325
3146	sub reload_archetypes {	3326	sub reload_archetypes {
3147	load_resource_file "$DATADIR/archetypes"	3327	load_resource_file "$DATADIR/archetypes"
3148	or die "unable to load archetypes\n";	3328	or die "unable to load archetypes\n";
3149	#d# NEED to laod twice to resolve forward references
3150	# this really needs to be done in an extra post-pass
3151	# (which needs to be synchronous, so solve it differently)
3152	load_resource_file "$DATADIR/archetypes"
3153	or die "unable to load archetypes\n";
3154	}	3329	}
3155		3330
3156	sub reload_treasures {	3331	sub reload_treasures {
3157	load_resource_file "$DATADIR/treasures"	3332	load_resource_file "$DATADIR/treasures"
3158	or die "unable to load treasurelists\n";	3333	or die "unable to load treasurelists\n";
3159	}	3334	}
3160		3335
3161	sub reload_resources {	3336	sub reload_resources {
3162	warn "reloading resource files...\n";	3337	warn "reloading resource files...\n";
3163		3338
		3339	reload_facedata;
		3340	reload_archetypes;
3164	reload_regions;	3341	reload_regions;
3165	reload_facedata;
3166	#reload_archetypes;#d#
3167	reload_archetypes;
3168	reload_treasures;	3342	reload_treasures;
3169		3343
3170	warn "finished reloading resource files\n";	3344	warn "finished reloading resource files\n";
3171	}
3172
3173	sub init {
3174	reload_resources;
3175	}	3345	}
3176		3346
3177	sub reload_config {	3347	sub reload_config {
3178	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
3179	or return;	3349	or return;
3180		3350
3181	local $/;	3351	local $/;
3182	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
3183		3353
3184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3185		3355
3186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$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};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3193	};	3363	};
3194	warn $@ if $@;	3364	warn $@ if $@;
3195	}	3365	}
3196	}	3366	}
3197		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
3198	sub main {	3387	sub main {
		3388	cf::init_globals; # initialise logging
		3389
		3390	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3391	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3392	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3393	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3394
		3395	cf::init_experience;
		3396	cf::init_anim;
		3397	cf::init_attackmess;
		3398	cf::init_dynamic;
		3399
		3400	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3401
3199	# we must not ever block the main coroutine	3402	# we must not ever block the main coroutine
3200	local $Coro::idle = sub {	3403	local $Coro::idle = sub {
3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3404	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3202	(async {	3405	(async {
3203	$Coro::current->{desc} = "IDLE BUG HANDLER";	3406	$Coro::current->{desc} = "IDLE BUG HANDLER";
3204	Event::one_event;	3407	EV::loop EV::LOOP_ONESHOT;
3205	})->prio (Coro::PRIO_MAX);	3408	})->prio (Coro::PRIO_MAX);
3206	};	3409	};
3207		3410
		3411	evthread_start IO::AIO::poll_fileno;
		3412
		3413	cf::sync_job {
		3414	reload_resources;
3208	reload_config;	3415	reload_config;
3209	db_init;	3416	db_init;
		3417
		3418	cf::load_settings;
		3419	cf::load_materials;
		3420	cf::init_uuid;
		3421	cf::init_signals;
		3422	cf::init_commands;
		3423	cf::init_skills;
		3424
		3425	cf::init_beforeplay;
		3426
		3427	atomic;
		3428
3210	load_extensions;	3429	load_extensions;
3211		3430
3212	$TICK_WATCHER->start;	3431	utime time, time, $RUNTIMEFILE;
		3432
		3433	# no (long-running) fork's whatsoever before this point(!)
		3434	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3435
		3436	(pop @POST_INIT)->(0) while @POST_INIT;
		3437	};
		3438
3213	Event::loop;	3439	EV::loop;
3214	}	3440	}
3215		3441
3216	#############################################################################	3442	#############################################################################
3217	# initialisation and cleanup	3443	# initialisation and cleanup
3218		3444
3219	# install some emergency cleanup handlers	3445	# install some emergency cleanup handlers
3220	BEGIN {	3446	BEGIN {
		3447	our %SIGWATCHER = ();
3221	for my $signal (qw(INT HUP TERM)) {	3448	for my $signal (qw(INT HUP TERM)) {
3222	Event->signal (	3449	$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";	3450	cf::cleanup "SIG$signal";
3229	},
3230	);	3451	};
3231	}	3452	}
3232	}	3453	}
3233		3454
3234	sub write_runtime {	3455	sub write_runtime_sync {
3235	my $runtime = "$LOCALDIR/runtime";
3236
3237	# first touch the runtime file to show we are still running:	3456	# first touch the runtime file to show we are still running:
3238	# the fsync below can take a very very long time.	3457	# the fsync below can take a very very long time.
3239		3458
3240	IO::AIO::aio_utime $runtime, undef, undef;	3459	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3241		3460
3242	my $guard = cf::lock_acquire "write_runtime";	3461	my $guard = cf::lock_acquire "write_runtime";
3243		3462
3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3463	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3245	or return;	3464	or return;
3246		3465
3247	my $value = $cf::RUNTIME + 90 + 10;	3466	my $value = $cf::RUNTIME + 90 + 10;
3248	# 10 is the runtime save interval, for a monotonic clock	3467	# 10 is the runtime save interval, for a monotonic clock
3249	# 60 allows for the watchdog to kill the server.	3468	# 60 allows for the watchdog to kill the server.
…		…
3259	aio_utime $fh, undef, undef;	3478	aio_utime $fh, undef, undef;
3260		3479
3261	close $fh	3480	close $fh
3262	or return;	3481	or return;
3263		3482
3264	aio_rename "$runtime~", $runtime	3483	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3265	and return;	3484	and return;
3266		3485
3267	warn "runtime file written.\n";	3486	warn "runtime file written.\n";
3268		3487
3269	1	3488	1
		3489	}
		3490
		3491	our $uuid_lock;
		3492	our $uuid_skip;
		3493
		3494	sub write_uuid_sync($) {
		3495	$uuid_skip ||= $_[0];
		3496
		3497	return if $uuid_lock;
		3498	local $uuid_lock = 1;
		3499
		3500	my $uuid = "$LOCALDIR/uuid";
		3501
		3502	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3503	or return;
		3504
		3505	my $value = uuid_seq uuid_cur;
		3506
		3507	unless ($value) {
		3508	warn "cowardly refusing to write zero uuid value!\n";
		3509	return;
		3510	}
		3511
		3512	my $value = uuid_str $value + $uuid_skip;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
3270	}	3539	}
3271		3540
3272	sub emergency_save() {	3541	sub emergency_save() {
3273	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
3274		3543
3275	warn "enter emergency perl save\n";	3544	warn "emergency_perl_save: enter\n";
3276		3545
3277	cf::sync_job {	3546	cf::sync_job {
		3547	# this is a trade-off: we want to be very quick here, so
		3548	# save all maps without fsync, and later call a global sync
		3549	# (which in turn might be very very slow)
		3550	local $USE_FSYNC = 0;
		3551
3278	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
3279	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
3280	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
3281	warn "begin emergency player save\n";	3555	warn "emergency_perl_save: begin player save\n";
3282	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
3283	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
3284	$pl->valid or next;	3558	$pl->valid or next;
3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3286	$pl->save;	3560	$pl->save;
3287	}	3561	}
3288	warn "end emergency player save\n";	3562	warn "emergency_perl_save: end player save\n";
3289		3563
3290	warn "begin emergency map save\n";	3564	warn "emergency_perl_save: begin map save\n";
3291	for my $path (keys %cf::MAP) {	3565	for my $path (keys %cf::MAP) {
3292	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
3293	$map->valid or next;	3567	$map->valid or next;
3294	$map->save;	3568	$map->save;
3295	}	3569	}
3296	warn "end emergency map save\n";	3570	warn "emergency_perl_save: end map save\n";
3297		3571
3298	warn "begin emergency database checkpoint\n";	3572	warn "emergency_perl_save: begin database checkpoint\n";
3299	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
3300	warn "end emergency database checkpoint\n";	3574	warn "emergency_perl_save: end database checkpoint\n";
		3575
		3576	warn "emergency_perl_save: begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "emergency_perl_save: end write uuid\n";
3301	};	3579	};
3302		3580
		3581	warn "emergency_perl_save: starting sync()\n";
		3582	IO::AIO::aio_sync sub {
		3583	warn "emergency_perl_save: finished sync()\n";
		3584	};
		3585
3303	warn "leave emergency perl save\n";	3586	warn "emergency_perl_save: leave\n";
3304	}	3587	}
3305		3588
3306	sub post_cleanup {	3589	sub post_cleanup {
3307	my ($make_core) = @_;	3590	my ($make_core) = @_;
3308		3591
3309	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
3310	if $make_core;	3593	if $make_core;
		3594
		3595	my $fh = pidfile;
		3596	unlink $PIDFILE if <$fh> == $$;
		3597	}
		3598
		3599	# a safer delete_package, copied from Symbol
		3600	sub clear_package($) {
		3601	my $pkg = shift;
		3602
		3603	# expand to full symbol table name if needed
		3604	unless ($pkg =~ /^main::.*::$/) {
		3605	$pkg = "main$pkg" if $pkg =~ /^::/;
		3606	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3607	$pkg .= '::' unless $pkg =~ /::$/;
		3608	}
		3609
		3610	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3611	my $stem_symtab = *{$stem}{HASH};
		3612
		3613	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3614	or return;
		3615
		3616	# clear all symbols
		3617	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3618	for my $name (keys %$leaf_symtab) {
		3619	_gv_clear *{"$pkg$name"};
		3620	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3621	}
		3622	warn "cleared package $pkg\n";#d#
3311	}	3623	}
3312		3624
3313	sub do_reload_perl() {	3625	sub do_reload_perl() {
3314	# can/must only be called in main	3626	# can/must only be called in main
3315	if ($Coro::current != $Coro::main) {	3627	if ($Coro::current != $Coro::main) {
3316	warn "can only reload from main coroutine";	3628	warn "can only reload from main coroutine";
3317	return;	3629	return;
3318	}	3630	}
3319		3631
		3632	return if $RELOAD++;
		3633
		3634	my $t1 = EV::time;
		3635
		3636	while ($RELOAD) {
3320	warn "reloading...";	3637	warn "reloading...";
3321		3638
3322	warn "entering sync_job";	3639	warn "entering sync_job";
3323		3640
3324	cf::sync_job {	3641	cf::sync_job {
3325	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3326	cf::emergency_save;	3643	cf::emergency_save;
3327	cf::write_runtime; # external watchdog should not bark	3644	cf::write_runtime_sync; # external watchdog should not bark
3328		3645
3329	warn "syncing database to disk";	3646	warn "syncing database to disk";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3647	BDB::db_env_txn_checkpoint $DB_ENV;
3331		3648
3332	# if anything goes wrong in here, we should simply crash as we already saved	3649	# if anything goes wrong in here, we should simply crash as we already saved
3333		3650
3334	warn "cancelling all WF_AUTOCANCEL watchers";
3335	for (Event::all_watchers) {
3336	$_->cancel if $_->data & WF_AUTOCANCEL;
3337	}
3338
3339	warn "flushing outstanding aio requests";	3651	warn "flushing outstanding aio requests";
3340	for (;;) {
3341	BDB::flush;
3342	IO::AIO::flush;
3343	Coro::cede;
3344	last unless IO::AIO::nreqs || BDB::nreqs;	3652	while (IO::AIO::nreqs || BDB::nreqs) {
3345	warn "iterate...";	3653	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3346	}
3347
3348	++$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	}	3654	}
3371		3655
3372	warn "... nuking $pkg";	3656	warn "cancelling all extension coros";
3373	Symbol::delete_package $pkg;	3657	$_->cancel for values %EXT_CORO;
3374	}	3658	%EXT_CORO = ();
3375		3659
3376	warn "unloading all perl modules loaded from $LIBDIR";	3660	warn "removing commands";
3377	while (my ($k, $v) = each %INC) {	3661	%COMMAND = ();
3378	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3379		3662
		3663	warn "removing ext/exti commands";
		3664	%EXTCMD = ();
		3665	%EXTICMD = ();
		3666
		3667	warn "unloading/nuking all extensions";
		3668	for my $pkg (@EXTS) {
3380	warn "... unloading $k";	3669	warn "... unloading $pkg";
3381	delete $INC{$k};
3382		3670
3383	$k =~ s/\.pm$//;
3384	$k =~ s/\//::/g;
3385
3386	if (my $cb = $k->can ("unload_module")) {	3671	if (my $cb = $pkg->can ("unload")) {
		3672	eval {
3387	$cb->();	3673	$cb->($pkg);
		3674	1
		3675	} or warn "$pkg unloaded, but with errors: $@";
		3676	}
		3677
		3678	warn "... clearing $pkg";
		3679	clear_package $pkg;
3388	}	3680	}
3389		3681
3390	Symbol::delete_package $k;	3682	warn "unloading all perl modules loaded from $LIBDIR";
		3683	while (my ($k, $v) = each %INC) {
		3684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3685
		3686	warn "... unloading $k";
		3687	delete $INC{$k};
		3688
		3689	$k =~ s/\.pm$//;
		3690	$k =~ s/\//::/g;
		3691
		3692	if (my $cb = $k->can ("unload_module")) {
		3693	$cb->();
		3694	}
		3695
		3696	clear_package $k;
3391	}	3697	}
3392		3698
3393	warn "getting rid of safe::, as good as possible";	3699	warn "getting rid of safe::, as good as possible";
3394	Symbol::delete_package "safe::$_"	3700	clear_package "safe::$_"
3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3396		3702
3397	warn "unloading cf.pm \"a bit\"";	3703	warn "unloading cf.pm \"a bit\"";
3398	delete $INC{"cf.pm"};	3704	delete $INC{"cf.pm"};
3399	delete $INC{"cf/pod.pm"};	3705	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3400		3706
3401	# don't, removes xs symbols, too,	3707	# don't, removes xs symbols, too,
3402	# and global variables created in xs	3708	# and global variables created in xs
3403	#Symbol::delete_package __PACKAGE__;	3709	#clear_package __PACKAGE__;
3404		3710
3405	warn "unload completed, starting to reload now";	3711	warn "unload completed, starting to reload now";
3406		3712
3407	warn "reloading cf.pm";	3713	warn "reloading cf.pm";
3408	require cf;	3714	require cf;
3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3410		3716
3411	warn "loading config and database again";	3717	warn "loading config and database again";
3412	cf::reload_config;	3718	cf::reload_config;
3413		3719
3414	warn "loading extensions";	3720	warn "loading extensions";
3415	cf::load_extensions;	3721	cf::load_extensions;
3416		3722
		3723	if ($REATTACH_ON_RELOAD) {
3417	warn "reattaching attachments to objects/players";	3724	warn "reattaching attachments to objects/players";
3418	_global_reattach; # objects, sockets	3725	_global_reattach; # objects, sockets
3419	warn "reattaching attachments to maps";	3726	warn "reattaching attachments to maps";
3420	reattach $_ for values %MAP;	3727	reattach $_ for values %MAP;
3421	warn "reattaching attachments to players";	3728	warn "reattaching attachments to players";
3422	reattach $_ for values %PLAYER;	3729	reattach $_ for values %PLAYER;
		3730	}
3423		3731
		3732	warn "running post_init jobs";
		3733	(pop @POST_INIT)->(1) while @POST_INIT;
		3734
3424	warn "leaving sync_job";	3735	warn "leaving sync_job";
3425		3736
3426	1	3737	1
3427	} or do {	3738	} or do {
3428	warn $@;	3739	warn $@;
3429	warn "error while reloading, exiting.";	3740	cf::cleanup "error while reloading, exiting.";
3430	exit 1;
3431	};	3741	};
3432		3742
3433	warn "reloaded";	3743	warn "reloaded";
		3744	--$RELOAD;
		3745	}
		3746
		3747	$t1 = EV::time - $t1;
		3748	warn "reload completed in ${t1}s\n";
3434	};	3749	};
3435		3750
3436	our $RELOAD_WATCHER; # used only during reload	3751	our $RELOAD_WATCHER; # used only during reload
3437		3752
3438	sub reload_perl() {	3753	sub reload_perl() {
3439	# doing reload synchronously and two reloads happen back-to-back,	3754	# doing reload synchronously and two reloads happen back-to-back,
3440	# coro crashes during coro_state_free->destroy here.	3755	# coro crashes during coro_state_free->destroy here.
3441		3756
3442	$RELOAD_WATCHER ||= Event->timer (	3757	$RELOAD_WATCHER ||= cf::async {
3443	reentrant => 0,	3758	Coro::AIO::aio_wait cache_extensions;
3444	after => 0,	3759
3445	data => WF_AUTOCANCEL,	3760	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3446	cb => sub {
3447	do_reload_perl;	3761	do_reload_perl;
3448	undef $RELOAD_WATCHER;	3762	undef $RELOAD_WATCHER;
3449	},	3763	};
3450	);	3764	};
3451	}	3765	}
3452		3766
3453	register_command "reload" => sub {	3767	register_command "reload" => sub {
3454	my ($who, $arg) = @_;	3768	my ($who, $arg) = @_;
3455		3769
…		…
3468		3782
3469	our @WAIT_FOR_TICK;	3783	our @WAIT_FOR_TICK;
3470	our @WAIT_FOR_TICK_BEGIN;	3784	our @WAIT_FOR_TICK_BEGIN;
3471		3785
3472	sub wait_for_tick {	3786	sub wait_for_tick {
3473	return unless $TICK_WATCHER->is_active;
3474	return if $Coro::current == $Coro::main;	3787	return if tick_inhibit || $Coro::current == $Coro::main;
3475		3788
3476	my $signal = new Coro::Signal;	3789	my $signal = new Coro::Signal;
3477	push @WAIT_FOR_TICK, $signal;	3790	push @WAIT_FOR_TICK, $signal;
3478	$signal->wait;	3791	$signal->wait;
3479	}	3792	}
3480		3793
3481	sub wait_for_tick_begin {	3794	sub wait_for_tick_begin {
3482	return unless $TICK_WATCHER->is_active;
3483	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
3484		3796
3485	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
3486	push @WAIT_FOR_TICK_BEGIN, $signal;	3798	push @WAIT_FOR_TICK_BEGIN, $signal;
3487	$signal->wait;	3799	$signal->wait;
3488	}	3800	}
3489		3801
3490	$TICK_WATCHER = Event->timer (	3802	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 != $Coro::main) {	3803	if ($Coro::current != $Coro::main) {
3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3804	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3499	unless ++$bug_warning > 10;	3805	unless ++$bug_warning > 10;
3500	return;	3806	return;
3501	}	3807	}
3502		3808
3503	$NOW = $tick_start = Event::time;
3504
3505	cf::server_tick; # one server iteration	3809	cf::server_tick; # one server iteration
3506		3810
3507	$RUNTIME += $TICK;
3508	$NEXT_TICK += $TICK;
3509
3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3811	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3511	$NEXT_RUNTIME_WRITE = $NOW + 10;	3812	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3512	Coro::async_pool {	3813	Coro::async_pool {
3513	$Coro::current->{desc} = "runtime saver";	3814	$Coro::current->{desc} = "runtime saver";
3514	write_runtime	3815	write_runtime_sync
3515	or warn "ERROR: unable to write runtime file: $!";	3816	or warn "ERROR: unable to write runtime file: $!";
3516	};
3517	}	3817	};
		3818	}
3518		3819
3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3820	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3520	$sig->send;	3821	$sig->send;
3521	}	3822	}
3522	while (my $sig = shift @WAIT_FOR_TICK) {	3823	while (my $sig = shift @WAIT_FOR_TICK) {
3523	$sig->send;	3824	$sig->send;
3524	}	3825	}
3525		3826
3526	$NOW = Event::time;	3827	$LOAD = ($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;	3828	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3536		3829
3537	_post_tick;	3830	if (0) {
		3831	if ($NEXT_TICK) {
		3832	my $jitter = $TICK_START - $NEXT_TICK;
		3833	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3834	warn "jitter $JITTER\n";#d#
		3835	}
3538	},	3836	}
3539	);	3837	}
3540		3838
3541	{	3839	{
		3840	# configure BDB
		3841
3542	BDB::min_parallel 8;	3842	BDB::min_parallel 8;
3543	BDB::max_poll_time $TICK * 0.1;	3843	BDB::max_poll_reqs $TICK * 0.1;
3544	$BDB_POLL_WATCHER = Event->io (	3844	$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	$! = $status;
3564	},
3565	)
3566	};
3567		3845
3568	unless ($DB_ENV) {	3846	unless ($DB_ENV) {
3569	$DB_ENV = BDB::db_env_create;	3847	$DB_ENV = BDB::db_env_create;
3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3848	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3571	| BDB::LOG_AUTOREMOVE, 1);	3849	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3850	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3851	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3852	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3574		3853
3575	cf::sync_job {	3854	cf::sync_job {
3576	eval {	3855	eval {
…		…
3586		3865
3587	cf::cleanup "db_env_open(db): $@" if $@;	3866	cf::cleanup "db_env_open(db): $@" if $@;
3588	};	3867	};
3589	}	3868	}
3590		3869
3591	$BDB_DEADLOCK_WATCHER = Event->timer (	3870	$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 { };	3871	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3599	},
3600	);	3872	};
3601	$BDB_CHECKPOINT_WATCHER = Event->timer (	3873	$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 { };	3874	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3609	},
3610	);	3875	};
3611	$BDB_TRICKLE_WATCHER = Event->timer (	3876	$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 { };	3877	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3619	},
3620	);	3878	};
3621	}	3879	}
3622		3880
3623	{	3881	{
		3882	# configure IO::AIO
		3883
3624	IO::AIO::min_parallel 8;	3884	IO::AIO::min_parallel 8;
3625
3626	undef $Coro::AIO::WATCHER;
3627	IO::AIO::max_poll_time $TICK * 0.1;	3885	IO::AIO::max_poll_time $TICK * 0.1;
3628	$AIO_POLL_WATCHER = Event->io (	3886	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	}	3887	}
3637		3888
3638	my $_log_backtrace;	3889	my $_log_backtrace;
3639		3890
3640	sub _log_backtrace {	3891	sub _log_backtrace {
…		…
3643	$msg =~ s/\n//;	3894	$msg =~ s/\n//;
3644		3895
3645	# limit the # of concurrent backtraces	3896	# limit the # of concurrent backtraces
3646	if ($_log_backtrace < 2) {	3897	if ($_log_backtrace < 2) {
3647	++$_log_backtrace;	3898	++$_log_backtrace;
		3899	my $perl_bt = Carp::longmess $msg;
3648	async {	3900	async {
3649	$Coro::current->{desc} = "abt $msg";	3901	$Coro::current->{desc} = "abt $msg";
3650		3902
3651	my @bt = fork_call {	3903	my @bt = fork_call {
3652	@addr = map { sprintf "%x", $_ } @addr;	3904	@addr = map { sprintf "%x", $_ } @addr;
…		…
3663	}	3915	}
3664		3916
3665	@funcs	3917	@funcs
3666	};	3918	};
3667		3919
3668	LOG llevInfo, "[ABT] $msg\n";	3920	LOG llevInfo, "[ABT] $perl_bt\n";
		3921	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3669	LOG llevInfo, "[ABT] $_\n" for @bt;	3922	LOG llevInfo, "[ABT] $_\n" for @bt;
3670	--$_log_backtrace;	3923	--$_log_backtrace;
3671	};	3924	};
3672	} else {	3925	} else {
3673	LOG llevInfo, "[ABT] $msg\n";	3926	LOG llevInfo, "[ABT] $msg\n";
3674	LOG llevInfo, "[ABT] [suppressed]\n";	3927	LOG llevInfo, "[ABT] [suppressed]\n";
3675	}	3928	}
3676	}	3929	}
3677		3930
3678	# load additional modules	3931	# load additional modules
3679	use cf::pod;	3932	require "cf/$_.pm" for @EXTRA_MODULES;
3680		3933
3681	END { cf::emergency_save }	3934	END { cf::emergency_save }
3682		3935
3683	1	3936	1
3684		3937

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