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Revision 1.386 by root, Mon Oct 15 17:50:27 2007 UTC vs.
Revision 1.478 by root, Thu Sep 17 01:57:31 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 Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	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		76
43	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
44		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
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		79
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		81
52	our %COMMAND = ();	82	our %COMMAND = ();
53	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	86	our %EXTCMD = ();
57	our %EXTICMD = ();	87	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
60		90
61	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	92	our @EVENT;
63		93
64	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	95	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
75		109
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	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	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	112	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		114
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	115	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	116	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	118	our $DB_ENV;
89		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
		121
90	our %CFG;	122	our %CFG;
91		123
92	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
94		127
95	our (%PLAYER, %PLAYER_LOADING); # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
98		131
99	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		134
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
105		144
106	binmode STDOUT;	145	binmode STDOUT;
107	binmode STDERR;	146	binmode STDERR;
108		147
109	# read virtual server time, if available	148	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
114	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
115		156
116	mkdir $_	157	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		159
119	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
162		203
163	The raw value load value from the last tick.	204	The raw value load value from the last tick.
164		205
165	=item %cf::CFG	206	=item %cf::CFG
166		207
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	209	from wherever your confdir points to.
169		210
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		212
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
181		222
182	=back	223	=back
183		224
184	=cut	225	=cut
185		226
186	BEGIN {	227	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	228	my $msg = join "", @_;
189		229
190	$msg .= "\n"	230	$msg .= "\n"
191	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
192		232
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		234
195	LOG llevError, $msg;	235	LOG llevError, $msg;
196	};	236	};
197	}	237
		238	$Coro::State::DIEHOOK = sub {
		239	return unless $^S eq 0; # "eq", not "=="
		240
		241	warn Carp::longmess $_[0];
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	Coro::terminate
		250	};
198		251
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	252	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	253	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	254	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	255	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	262	for my $pkg (qw(
210	cf::global cf::attachable	263	cf::global cf::attachable
211	cf::object cf::object::player	264	cf::object cf::object::player
212	cf::client cf::player	265	cf::client cf::player
213	cf::arch cf::living	266	cf::arch cf::living
		267	cf::map cf::mapspace
214	cf::map cf::party cf::region	268	cf::party cf::region
215	)) {	269	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	270	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	271	}
219		272
220	$Event::DIED = sub {	273	$EV::DIED = sub {
221	warn "error in event callback: @_";	274	warn "error in event callback: @_";
222	};	275	};
223		276
224	#############################################################################	277	#############################################################################
225		278
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	301	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	302	$d
250	} || "[unable to dump $_[0]: '$@']";	303	} || "[unable to dump $_[0]: '$@']";
251	}	304	}
252		305
253	=item $ref = cf::from_json $json	306	=item $ref = cf::decode_json $json
254		307
255	Converts a JSON string into the corresponding perl data structure.	308	Converts a JSON string into the corresponding perl data structure.
256		309
257	=item $json = cf::to_json $ref	310	=item $json = cf::encode_json $ref
258		311
259	Converts a perl data structure into its JSON representation.	312	Converts a perl data structure into its JSON representation.
260		313
261	=cut	314	=cut
262		315
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	316	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		317
265	sub to_json ($) { $json_coder->encode ($_[0]) }	318	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	319	sub decode_json($) { $json_coder->decode ($_[0]) }
		320
		321	=item cf::post_init { BLOCK }
		322
		323	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		324	but I<before> the server starts ticking again.
		325
		326	The cdoeblock will have a single boolean argument to indicate whether this
		327	is a reload or not.
		328
		329	=cut
		330
		331	sub post_init(&) {
		332	push @POST_INIT, shift;
		333	}
267		334
268	=item cf::lock_wait $string	335	=item cf::lock_wait $string
269		336
270	Wait until the given lock is available. See cf::lock_acquire.	337	Wait until the given lock is available. See cf::lock_acquire.
271		338
272	=item my $lock = cf::lock_acquire $string	339	=item my $lock = cf::lock_acquire $string
273		340
274	Wait until the given lock is available and then acquires it and returns	341	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,	342	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	343	for example when the coroutine gets canceled), the lock is automatically
277	returned.	344	returned.
278		345
279	Locks are *not* recursive, locking from the same coro twice results in a	346	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	347	deadlocked coro.
…		…
286		353
287	Return true if the lock is currently active, i.e. somebody has locked it.	354	Return true if the lock is currently active, i.e. somebody has locked it.
288		355
289	=cut	356	=cut
290		357
291	our %LOCK;	358	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		359
294	sub lock_wait($) {	360	sub lock_wait($) {
295	my ($key) = @_;	361	$LOCKS->wait ($_[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} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	362	}
308		363
309	sub lock_acquire($) {	364	sub lock_acquire($) {
310	my ($key) = @_;	365	$LOCKS->guard ($_[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	}	366	}
324		367
325	sub lock_active($) {	368	sub lock_active($) {
326	my ($key) = @_;	369	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	370	}
330		371
331	sub freeze_mainloop {	372	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	373	tick_inhibit_inc;
333		374
334	my $guard = Coro::guard {	375	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	376	}
336	};	377
337	$TICK_WATCHER->stop;	378	=item cf::periodic $interval, $cb
338	$guard	379
		380	Like EV::periodic, but randomly selects a starting point so that the actions
		381	get spread over timer.
		382
		383	=cut
		384
		385	sub periodic($$) {
		386	my ($interval, $cb) = @_;
		387
		388	my $start = rand List::Util::min 180, $interval;
		389
		390	EV::periodic $start, $interval, 0, $cb
339	}	391	}
340		392
341	=item cf::get_slot $time[, $priority[, $name]]	393	=item cf::get_slot $time[, $priority[, $name]]
342		394
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	395	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	435	}
384	}	436	}
385	};	437	};
386		438
387	sub get_slot($;$$) {	439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
388	my ($time, $pri, $name) = @_;	442	my ($time, $pri, $name) = @_;
389		443
390	$time = $TICK * .6 if $time > $TICK * .6;	444	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	445	my $sig = new Coro::Signal;
392		446
…		…
406		460
407	BEGIN { *async = \&Coro::async_pool }	461	BEGIN { *async = \&Coro::async_pool }
408		462
409	=item cf::sync_job { BLOCK }	463	=item cf::sync_job { BLOCK }
410		464
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	465	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	466	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	467	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	468	acceptable.
415		469
416	If it must be done, put the blocking parts into C<sync_job>. This will run	470	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	471	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		476
423	sub sync_job(&) {	477	sub sync_job(&) {
424	my ($job) = @_;	478	my ($job) = @_;
425		479
426	if ($Coro::current == $Coro::main) {	480	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	481	my $time = EV::time;
428		482
429	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
431		485
432	LOG llevError, Carp::longmess "sync job";#d#	486	LOG llevError, Carp::longmess "sync job";#d#
433		487
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
437		489
438	my $busy = 1;	490	my $busy = 1;
439	my @res;	491	my @res;
440		492
…		…
444	warn $@ if $@;	496	warn $@ if $@;
445	undef $busy;	497	undef $busy;
446	})->prio (Coro::PRIO_MAX);	498	})->prio (Coro::PRIO_MAX);
447		499
448	while ($busy) {	500	while ($busy) {
449	Coro::cede or Event::one_event;	501	if (Coro::nready) {
		502	Coro::cede_notself;
		503	} else {
		504	EV::loop EV::LOOP_ONESHOT;
450	}	505	}
		506	}
451		507
452	$time = Event::time - $time;	508	my $time = EV::time - $time;
453		509
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	510	$TICK_START += $time; # do not account sync jobs to server load
458		511
459	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
460	} else {	513	} else {
461	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
462		515
…		…
487	=item fork_call { }, $args	540	=item fork_call { }, $args
488		541
489	Executes the given code block with the given arguments in a seperate	542	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	543	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	544	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	545	never block itself or use any form of event handling.
493		546
494	=cut	547	=cut
495		548
496	sub fork_call(&@) {	549	sub fork_call(&@) {
497	my ($cb, @args) = @_;	550	my ($cb, @args) = @_;
…		…
504	reset_signals;	557	reset_signals;
505	&$cb	558	&$cb
506	}, @args;	559	}, @args;
507		560
508	wantarray ? @res : $res[-1]	561	wantarray ? @res : $res[-1]
		562	}
		563
		564	=item $coin = coin_from_name $name
		565
		566	=cut
		567
		568	our %coin_alias = (
		569	"silver" => "silvercoin",
		570	"silvercoin" => "silvercoin",
		571	"silvercoins" => "silvercoin",
		572	"gold" => "goldcoin",
		573	"goldcoin" => "goldcoin",
		574	"goldcoins" => "goldcoin",
		575	"platinum" => "platinacoin",
		576	"platinumcoin" => "platinacoin",
		577	"platinumcoins" => "platinacoin",
		578	"platina" => "platinacoin",
		579	"platinacoin" => "platinacoin",
		580	"platinacoins" => "platinacoin",
		581	"royalty" => "royalty",
		582	"royalties" => "royalty",
		583	);
		584
		585	sub coin_from_name($) {
		586	$coin_alias{$_[0]}
		587	? cf::arch::find $coin_alias{$_[0]}
		588	: undef
509	}	589	}
510		590
511	=item $value = cf::db_get $family => $key	591	=item $value = cf::db_get $family => $key
512		592
513	Returns a single value from the environment database.	593	Returns a single value from the environment database.
…		…
652		732
653	#############################################################################	733	#############################################################################
654		734
655	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
656		736
657	Many objects in crossfire are so-called attachable objects. That means you can	737	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")	738	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
660		740
661	In the following description, CLASS can be any of C<global>, C<object>	741	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	742	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	743	Deliantra).
664		744
665	=over 4	745	=over 4
666		746
667	=item $attachable->attach ($attachment, key => $value...)	747	=item $attachable->attach ($attachment, key => $value...)
668		748
…		…
712	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
713		793
714	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
716		796
717	Some classes such as crossfire maps and objects can specify attachments	797	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.	798	that are attached at load/instantiate time, thus the need for a name.
719		799
720	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
721		801
722	=over 4	802	=over 4
…		…
950	}	1030	}
951		1031
952	0	1032	0
953	}	1033	}
954		1034
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1036
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1038
959	Generate an object-specific event with the given arguments.	1039	Generate an object-specific event with the given arguments.
960		1040
…		…
1013		1093
1014	sub reattach {	1094	sub reattach {
1015	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
1016	my ($obj) = @_;	1096	my ($obj) = @_;
1017		1097
		1098	# no longer needed after getting rid of delete_package?
1018	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1099	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1019		1100
1020	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
1021		1102
1022	@$registry = ();	1103	@$registry = ();
1023		1104
…		…
1038	cf::attachable->attach (	1119	cf::attachable->attach (
1039	prio => -1000000,	1120	prio => -1000000,
1040	on_instantiate => sub {	1121	on_instantiate => sub {
1041	my ($obj, $data) = @_;	1122	my ($obj, $data) = @_;
1042		1123
1043	$data = from_json $data;	1124	$data = decode_json $data;
1044		1125
1045	for (@$data) {	1126	for (@$data) {
1046	my ($name, $args) = @$_;	1127	my ($name, $args) = @$_;
1047		1128
1048	$obj->attach ($name, %{$args || {} });	1129	$obj->attach ($name, %{$args || {} });
…		…
1069	utf8::decode (my $decname = $filename);	1150	utf8::decode (my $decname = $filename);
1070	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
1071	$decname, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
1072		1153
1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1074	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1076	aio_fsync $fh if $cf::USE_FSYNC;	1157	if ($cf::USE_FSYNC) {
		1158	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1159	aio_fsync $fh;
		1160	}
1077	close $fh;	1161	aio_close $fh;
1078		1162
1079	if (@$objs) {	1163	if (@$objs) {
1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1164	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1081	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1083	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
1084	aio_fsync $fh if $cf::USE_FSYNC;	1168	if ($cf::USE_FSYNC) {
		1169	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1170	aio_fsync $fh;
		1171	}
1085	close $fh;	1172	aio_close $fh;
1086	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
1087	}	1174	}
1088	} else {	1175	} else {
1089	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
1090	}	1177	}
1091		1178
1092	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
1093	} else {	1183	} else {
1094	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
1095	}	1185	}
1096	} else {	1186	} else {
1097	aio_unlink $filename;	1187	aio_unlink $filename;
1098	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
1099	}	1189	}
…		…
1118		1208
1119	unless (aio_stat "$filename.pst") {	1209	unless (aio_stat "$filename.pst") {
1120	(aio_load "$filename.pst", $av) >= 0	1210	(aio_load "$filename.pst", $av) >= 0
1121	or return;	1211	or return;
1122		1212
1123	my $st = eval { Coro::Storable::thaw $av }	1213	my $st = eval { Coro::Storable::thaw $av };
1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1125	$av = $st->{objs};	1214	$av = $st->{objs};
1126	}	1215	}
1127		1216
1128	utf8::decode (my $decname = $filename);	1217	utf8::decode (my $decname = $filename);
1129	warn sprintf "loading %s (%d,%d)\n",	1218	warn sprintf "loading %s (%d,%d)\n",
…		…
1191	my ($name, $cb) = @_;	1280	my ($name, $cb) = @_;
1192		1281
1193	$EXTICMD{$name} = $cb;	1282	$EXTICMD{$name} = $cb;
1194	}	1283	}
1195		1284
		1285	use File::Glob ();
		1286
1196	cf::player->attach (	1287	cf::player->attach (
1197	on_command => sub {	1288	on_command => sub {
1198	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
1199		1290
1200	my $cb = $COMMAND{$name}	1291	my $cb = $COMMAND{$name}
…		…
1232		1323
1233	cf::override;	1324	cf::override;
1234	},	1325	},
1235	);	1326	);
1236		1327
		1328	# "readahead" all extensions
		1329	sub cache_extensions {
		1330	my $grp = IO::AIO::aio_group;
		1331
		1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1333	for (grep /\.ext$/, @{$_[0]}) {
		1334	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1335	}
		1336	};
		1337
		1338	$grp
		1339	}
		1340
1237	sub load_extensions {	1341	sub load_extensions {
1238	cf::sync_job {	1342	cf::sync_job {
1239	my %todo;	1343	my %todo;
1240		1344
1241	for my $path (<$LIBDIR/*.ext>) {	1345	for my $path (<$LIBDIR/*.ext>) {
…		…
1260		1364
1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1263		1367
1264	$ext{source} =	1368	$ext{source} =
1265	"package $pkg; use strict; use utf8;\n"	1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1266	. "#line 1 \"$path\"\n{\n"	1370	. "#line 1 \"$path\"\n{\n"
1267	. $source	1371	. $source
1268	. "\n};\n1";	1372	. "\n};\n1";
1269		1373
1270	$todo{$base} = \%ext;	1374	$todo{$base} = \%ext;
…		…
1286	my $msg = $@ ? "$v->{path}: $@\n"	1390	my $msg = $@ ? "$v->{path}: $@\n"
1287	: "$v->{base}: extension inactive.\n";	1391	: "$v->{base}: extension inactive.\n";
1288		1392
1289	if (exists $v->{meta}{mandatory}) {	1393	if (exists $v->{meta}{mandatory}) {
1290	warn $msg;	1394	warn $msg;
1291	warn "mandatory extension failed to load, exiting.\n";	1395	cf::cleanup "mandatory extension failed to load, exiting.";
1292	exit 1;
1293	}	1396	}
1294		1397
1295	warn $msg;	1398	warn $msg;
1296	}	1399	}
1297		1400
…		…
1311		1414
1312	=back	1415	=back
1313		1416
1314	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
1315		1418
1316	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
1317		1420
1318	=cut	1421	=cut
1319		1422
1320	package cf::player;	1423	package cf::player;
1321		1424
…		…
1364		1467
1365	sub exists($) {	1468	sub exists($) {
1366	my ($login) = @_;	1469	my ($login) = @_;
1367		1470
1368	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
1369	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
1370	}	1473	}
1371		1474
1372	sub find($) {	1475	sub find($) {
1373	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
1374	my $login = $_[0];	1477	my $login = $_[0];
…		…
1386	my $f = new_from_file cf::object::thawer path $login	1489	my $f = new_from_file cf::object::thawer path $login
1387	or return;	1490	or return;
1388		1491
1389	my $pl = cf::player::load_pl $f	1492	my $pl = cf::player::load_pl $f
1390	or return;	1493	or return;
		1494
1391	local $cf::PLAYER_LOADING{$login} = $pl;	1495	local $cf::PLAYER_LOADING{$login} = $pl;
1392	$f->resolve_delayed_derefs;	1496	$f->resolve_delayed_derefs;
1393	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
1394	}	1498	}
1395	}	1499	}
…		…
1405		1509
1406	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1407		1511
1408	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1409	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
		1514
		1515	cf::get_slot 0.01;
1410		1516
1411	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1412	cf::cede_to_tick;	1518	cf::cede_to_tick;
1413	}	1519	}
1414		1520
…		…
1446	my ($pl) = @_;	1552	my ($pl) = @_;
1447		1553
1448	my $name = $pl->ob->name;	1554	my $name = $pl->ob->name;
1449		1555
1450	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1451	$pl->password ("*"); # this should lock out the player until we nuked the dir	1557	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1452		1558
1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1454	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1455	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1456	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1457		1565
1458	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1459	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1498		1606
1499	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
1500	my $path = path $login;	1608	my $path = path $login;
1501		1609
1502	# a .pst is a dead give-away for a valid player	1610	# a .pst is a dead give-away for a valid player
1503	unless (-e "$path.pst") {	1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1505	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1506	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
1507	}	1616	}
1508		1617
…		…
1539	}	1648	}
1540		1649
1541	\@paths	1650	\@paths
1542	}	1651	}
1543		1652
1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1545		1654
1546	Expand crossfire pod fragments into protocol xml.	1655	Expand deliantra pod fragments into protocol xml.
1547
1548	=cut
1549
1550	sub expand_cfpod {
1551	((my $self), (local $_)) = @_;
1552
1553	# escape & and <
1554	s/&/&amp;/g;
1555	s/(?<![BIUGHT])</&lt;/g;
1556
1557	# this is buggy, it needs to properly take care of nested <'s
1558
1559	1 while
1560	# replace B<>, I<>, U<> etc.
1561	s/B<([^\>]*)>/<b>$1<\/b>/
1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1565	# replace G<male|female> tags
1566	|| s{G<([^>|]*)\|([^>]*)>}{
1567	$self->gender ? $2 : $1
1568	}ge
1569	# replace H<hint text>
1570	|| s{H<([^\>]*)>}
1571	{
1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1574	"")
1575	[$self->{hintmode}]
1576	}ge;
1577
1578	# create single paragraphs (very hackish)
1579	s/(?<=\S)\n(?=\w)/ /g;
1580
1581	# compress some whitespace
1582	s/\s+\n/\n/g; # ws line-ends
1583	s/\n\n+/\n/g; # double lines
1584	s/^\n+//; # beginning lines
1585	s/\n+$//; # ending lines
1586
1587	$_
1588	}
1589
1590	sub hintmode {
1591	$_[0]{hintmode} = $_[1] if @_ > 1;
1592	$_[0]{hintmode}
1593	}
1594		1656
1595	=item $player->ext_reply ($msgid, @msg)	1657	=item $player->ext_reply ($msgid, @msg)
1596		1658
1597	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1598		1660
…		…
1665	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1666	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1667		1729
1668	sub generate_random_map {	1730	sub generate_random_map {
1669	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
		1732
		1733	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1734
1670	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1671	$self->_create_random_map (	1736	$self->_create_random_map (
1672	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1673	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1674	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1796		1861
1797	# the temporary/swap location	1862	# the temporary/swap location
1798	sub save_path {	1863	sub save_path {
1799	my ($self) = @_;	1864	my ($self) = @_;
1800		1865
1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1802	"$TMPDIR/$path.map"	1867	"$TMPDIR/$path.map"
1803	}	1868	}
1804		1869
1805	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1806	sub uniq_path {	1871	sub uniq_path {
1807	my ($self) = @_;	1872	my ($self) = @_;
1808		1873
1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1810	"$UNIQUEDIR/$path"	1875	"$UNIQUEDIR/$path"
1811	}
1812
1813	# and all this just because we cannot iterate over
1814	# all maps in C++...
1815	sub change_all_map_light {
1816	my ($change) = @_;
1817
1818	$_->change_map_light ($change)
1819	for grep $_->outdoor, values %cf::MAP;
1820	}	1876	}
1821		1877
1822	sub decay_objects {	1878	sub decay_objects {
1823	my ($self) = @_;	1879	my ($self) = @_;
1824		1880
…		…
1908	sub find {	1964	sub find {
1909	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1910		1966
1911	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1912		1968
1913	cf::lock_wait "map_data:$path";#d#remove	1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1914	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1915		1971
1916	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
1917	my $guard1 = cf::lock_acquire "map_find:$path";
1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1919
1920	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
1921	or return;	1974	or return;
1922		1975
1923	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1924		1977
…		…
1926	or return;	1979	or return;
1927		1980
1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1929	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
1930	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
1931	undef $guard1;	1985	undef $guard1;
1932	undef $guard2;
1933	$map->reset;	1986	$map->reset;
1934	return find $path;	1987	return find $path;
1935	}	1988	}
1936		1989
1937	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
…		…
1964	my $f = new_from_file cf::object::thawer $self->{load_path};	2017	my $f = new_from_file cf::object::thawer $self->{load_path};
1965	$f->skip_block;	2018	$f->skip_block;
1966	$self->_load_objects ($f)	2019	$self->_load_objects ($f)
1967	or return;	2020	or return;
1968		2021
1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
1970	if delete $self->{load_original};	2023	if delete $self->{load_original};
1971		2024
1972	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
1973	utf8::encode $uniq;	2026	utf8::encode $uniq;
1974	unless (aio_stat $uniq) {	2027	unless (aio_stat $uniq) {
…		…
1992	unless ($self->{deny_activate}) {	2045	unless ($self->{deny_activate}) {
1993	$self->decay_objects;	2046	$self->decay_objects;
1994	$self->fix_auto_apply;	2047	$self->fix_auto_apply;
1995	$self->update_buttons;	2048	$self->update_buttons;
1996	cf::cede_to_tick;	2049	cf::cede_to_tick;
1997	$self->set_darkness_map;
1998	cf::cede_to_tick;
1999	$self->activate;	2050	$self->activate;
2000	}	2051	}
2001		2052
2002	$self->{last_save} = $cf::RUNTIME;	2053	$self->{last_save} = $cf::RUNTIME;
2003	$self->last_access ($cf::RUNTIME);	2054	$self->last_access ($cf::RUNTIME);
2004		2055
2005	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
2006	}	2057	}
2007		2058
2008	$self->post_load;	2059	$self->post_load;
2009	}	2060	}
2010		2061
…		…
2068	my ($path, $origin, $load) = @_;	2119	my ($path, $origin, $load) = @_;
2069		2120
2070	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
2071		2122
2072	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2074	}	2125	}
2075		2126
2076	$MAP_PREFETCH{$path} |= $load;	2127	$MAP_PREFETCH{$path} |= $load;
2077		2128
2078	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
…		…
2115	cf::async {	2166	cf::async {
2116	$Coro::current->{desc} = "map player save";	2167	$Coro::current->{desc} = "map player save";
2117	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
2118	};	2169	};
2119		2170
		2171	cf::get_slot 0.02;
		2172
2120	if ($uniq) {	2173	if ($uniq) {
2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2122	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2123	} else {	2176	} else {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2132	$self->save;	2185	$self->save;
2133		2186
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135		2188
2136	return if $self->players;	2189	return if $self->players;
2137	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
2138	return if $self->{deny_save};	2191	return if $self->{deny_save};
2139		2192
2140	$self->in_memory (cf::MAP_SWAPPED);	2193	$self->in_memory (cf::MAP_SWAPPED);
2141		2194
2142	$self->deactivate;	2195	$self->deactivate;
…		…
2167		2220
2168	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
2169		2222
2170	return if $self->players;	2223	return if $self->players;
2171		2224
2172	warn "resetting map ", $self->path;	2225	warn "resetting map ", $self->path, "\n";
2173		2226
2174	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
2175		2228
2176	# need to save uniques path	2229	# need to save uniques path
2177	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
2260		2313
2261	sub unique_maps() {	2314	sub unique_maps() {
2262	[	2315	[
2263	map {	2316	map {
2264	utf8::decode $_;	2317	utf8::decode $_;
2265	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2266	? normalise $_	2321	: normalise $_
2267	: ()
2268	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2269	]	2323	]
2270	}	2324	}
2271		2325
2272	package cf;
2273
2274	=back	2326	=back
2275		2327
2276	=head3 cf::object	2328	=head3 cf::object
2277		2329
2278	=cut	2330	=cut
…		…
2281		2333
2282	=over 4	2334	=over 4
2283		2335
2284	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2285		2337
2286	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
2287		2340
2288	=cut	2341	=cut
2289		2342
2290	sub inv_recursive_;	2343	sub inv_recursive_;
2291	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2296	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2297	}	2350	}
2298		2351
2299	=item $ref = $ob->ref	2352	=item $ref = $ob->ref
2300		2353
2301	creates and returns a persistent reference to an objetc that can be stored as a string.	2354	Creates and returns a persistent reference to an object that can be stored as a string.
2302		2355
2303	=item $ob = cf::object::deref ($refstring)	2356	=item $ob = cf::object::deref ($refstring)
2304		2357
2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2306	even if the object actually exists. May block.	2359	even if the object actually exists. May block.
…		…
2338	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
2339	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2340		2393
2341	=cut	2394	=cut
2342		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
		2409
2343	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2344	# with dialog boxes.	2411	# with dialog boxes.
2345	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
2346	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
2347	my ($self, $npc, $msg, $flags) = @_;	2414	my ($self, $npc, $msg, $flags) = @_;
…		…
2358	my $dialog = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2360		2427
2361	} else {	2428	} else {
2362	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2363	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2364	}	2431	}
2365	}	2432	}
2366	}	2433	}
2367		2434
2368	=item $object->send_msg ($channel, $msg, $color, [extra...])	2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2393		2460
2394	=item $player_object->enter_link	2461	=item $player_object->enter_link
2395		2462
2396	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
2397		2464
2398	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
2399	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
2400		2469
2401	Will never block.	2470	Will never block.
2402		2471
2403	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2404		2473
…		…
2462		2531
2463	$map->load;	2532	$map->load;
2464	$map->load_neighbours;	2533	$map->load_neighbours;
2465		2534
2466	return unless $self->contr->active;	2535	return unless $self->contr->active;
2467	$self->activate_recursive;
2468		2536
2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2470	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
		2539
		2540	# only activate afterwards, to support waiting in hooks
		2541	$self->activate_recursive;
2471	}	2542	}
2472		2543
2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2474		2545
2475	Moves the player to the given map-path and coordinates by first freezing	2546	Moves the player to the given map-path and coordinates by first freezing
2476	her, loading and preparing them map, calling the provided $check callback	2547	her, loading and preparing them map, calling the provided $check callback
2477	that has to return the map if sucecssful, and then unfreezes the player on	2548	that has to return the map if sucecssful, and then unfreezes the player on
2478	the new (success) or old (failed) map position. In either case, $done will	2549	the new (success) or old (failed) map position. In either case, $done will
2479	be called at the end of this process.	2550	be called at the end of this process.
		2551
		2552	Note that $check will be called with a potentially non-loaded map, so if
		2553	it needs a loaded map it has to call C<< ->load >>.
2480		2554
2481	=cut	2555	=cut
2482		2556
2483	our $GOTOGEN;	2557	our $GOTOGEN;
2484		2558
…		…
2563	}	2637	}
2564		2638
2565	sub prepare_random_map {	2639	sub prepare_random_map {
2566	my ($exit) = @_;	2640	my ($exit) = @_;
2567		2641
2568	my $guard = cf::lock_acquire "exit_prepare:$exit";
2569
2570	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
2571	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
2572	# that depends on the exit object	2644	# that depends on the exit object
2573		2645
2574	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
2576	if ($exit->map) {	2648	if ($exit->map) {
2577	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
2578	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
2579	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
2580	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
2581	}	2655	}
2582		2656
2583	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
2584		2658
2585	my $data = cf::to_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2586	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
2587	my $meta = "$RANDOMDIR/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
2588		2662
2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2590	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
2591	undef $fh;	2665	undef $fh;
2592	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
2593		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
2594	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
2595	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
2596	}	2674	}
2597	}	2675	}
2598		2676
2599	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
2600	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
2601		2679
2602	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
2603		2681
2604	if ($exit->slaying eq "/!") {
2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
2606	# the problem is that $exit might not survive long enough
2607	# so it needs to be done right now, right here
2608	cf::sync_job { prepare_random_map $exit };
2609	}
2610
2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2612	my $hp = $exit->stats->hp;
2613	my $sp = $exit->stats->sp;
2614
2615	$self->enter_link;	2682	$self->enter_link;
2616		2683
2617	# if exit is damned, update players death & WoR home-position
2618	$self->contr->savebed ($slaying, $hp, $sp)
2619	if $exit->flag (FLAG_DAMNED);
2620
2621	(async {	2684	(async {
2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2685	$Coro::current->{desc} = "enter_exit";
2623		2686
2624	$self->deactivate_recursive; # just to be sure
2625	unless (eval {	2687	unless (eval {
		2688	$self->deactivate_recursive; # just to be sure
		2689
		2690	# random map handling
		2691	{
		2692	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2693
		2694	prepare_random_map $exit
		2695	if $exit->slaying eq "/!";
		2696	}
		2697
		2698	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2699	my $x = $exit->stats->hp;
		2700	my $y = $exit->stats->sp;
		2701
2626	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
2627		2703
		2704	# if exit is damned, update players death & WoR home-position
		2705	$self->contr->savebed ($map, $x, $y)
		2706	if $exit->flag (cf::FLAG_DAMNED);
		2707
2628	1;	2708	1
2629	}) {	2709	}) {
2630	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
2631	. "I'll try to bring you back to the map you were before. "	2711	. "I'll try to bring you back to the map you were before. "
2632	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
2633	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
2634		2714
2635	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
…		…
2663	the message, with C<log> being the default. If C<$color> is negative, suppress	2743	the message, with C<log> being the default. If C<$color> is negative, suppress
2664	the message unless the client supports the msg packet.	2744	the message unless the client supports the msg packet.
2665		2745
2666	=cut	2746	=cut
2667		2747
		2748	# non-persistent channels (usually the info channel)
2668	our %CHANNEL = (	2749	our %CHANNEL = (
2669	"c/identify" => {	2750	"c/identify" => {
2670	id => "infobox",	2751	id => "infobox",
2671	title => "Identify",	2752	title => "Identify",
2672	reply => undef,	2753	reply => undef,
…		…
2676	id => "infobox",	2757	id => "infobox",
2677	title => "Examine",	2758	title => "Examine",
2678	reply => undef,	2759	reply => undef,
2679	tooltip => "Signs and other items you examined",	2760	tooltip => "Signs and other items you examined",
2680	},	2761	},
		2762	"c/book" => {
		2763	id => "infobox",
		2764	title => "Book",
		2765	reply => undef,
		2766	tooltip => "The contents of a note or book",
		2767	},
2681	"c/lookat" => {	2768	"c/lookat" => {
2682	id => "infobox",	2769	id => "infobox",
2683	title => "Look",	2770	title => "Look",
2684	reply => undef,	2771	reply => undef,
2685	tooltip => "What you saw there",	2772	tooltip => "What you saw there",
2686	},	2773	},
		2774	"c/who" => {
		2775	id => "infobox",
		2776	title => "Players",
		2777	reply => undef,
		2778	tooltip => "Shows players who are currently online",
		2779	},
		2780	"c/body" => {
		2781	id => "infobox",
		2782	title => "Body Parts",
		2783	reply => undef,
		2784	tooltip => "Shows which body parts you posess and are available",
		2785	},
		2786	"c/statistics" => {
		2787	id => "infobox",
		2788	title => "Statistics",
		2789	reply => undef,
		2790	tooltip => "Shows your primary statistics",
		2791	},
		2792	"c/skills" => {
		2793	id => "infobox",
		2794	title => "Skills",
		2795	reply => undef,
		2796	tooltip => "Shows your experience per skill and item power",
		2797	},
		2798	"c/shopitems" => {
		2799	id => "infobox",
		2800	title => "Shop Items",
		2801	reply => undef,
		2802	tooltip => "Shows the items currently for sale in this shop",
		2803	},
		2804	"c/resistances" => {
		2805	id => "infobox",
		2806	title => "Resistances",
		2807	reply => undef,
		2808	tooltip => "Shows your resistances",
		2809	},
		2810	"c/pets" => {
		2811	id => "infobox",
		2812	title => "Pets",
		2813	reply => undef,
		2814	tooltip => "Shows information abotu your pets/a specific pet",
		2815	},
		2816	"c/perceiveself" => {
		2817	id => "infobox",
		2818	title => "Perceive Self",
		2819	reply => undef,
		2820	tooltip => "You gained detailed knowledge about yourself",
		2821	},
		2822	"c/uptime" => {
		2823	id => "infobox",
		2824	title => "Uptime",
		2825	reply => undef,
		2826	tooltip => "How long the server has been running since last restart",
		2827	},
		2828	"c/mapinfo" => {
		2829	id => "infobox",
		2830	title => "Map Info",
		2831	reply => undef,
		2832	tooltip => "Information related to the maps",
		2833	},
		2834	"c/party" => {
		2835	id => "party",
		2836	title => "Party",
		2837	reply => "gsay ",
		2838	tooltip => "Messages and chat related to your party",
		2839	},
		2840	"c/death" => {
		2841	id => "death",
		2842	title => "Death",
		2843	reply => undef,
		2844	tooltip => "Reason for and more info about your most recent death",
		2845	},
		2846	"c/say" => $SAY_CHANNEL,
		2847	"c/chat" => $CHAT_CHANNEL,
2687	);	2848	);
2688		2849
2689	sub cf::client::send_msg {	2850	sub cf::client::send_msg {
2690	my ($self, $channel, $msg, $color, @extra) = @_;	2851	my ($self, $channel, $msg, $color, @extra) = @_;
2691		2852
2692	$msg = $self->pl->expand_cfpod ($msg);	2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
2693		2855
2694	$color &= cf::NDI_CLIENT_MASK; # just in case...	2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
2695		2857
2696	# check predefined channels, for the benefit of C	2858	# check predefined channels, for the benefit of C
2697	if ($CHANNEL{$channel}) {	2859	if ($CHANNEL{$channel}) {
2698	$channel = $CHANNEL{$channel};	2860	$channel = $CHANNEL{$channel};
2699		2861
2700	$self->ext_msg (channel_info => $channel)	2862	$self->ext_msg (channel_info => $channel);
2701	if $self->can_msg;
2702
2703	$channel = $channel->{id};	2863	$channel = $channel->{id};
2704		2864
2705	} elsif (ref $channel) {	2865	} elsif (ref $channel) {
2706	# send meta info to client, if not yet sent	2866	# send meta info to client, if not yet sent
2707	unless (exists $self->{channel}{$channel->{id}}) {	2867	unless (exists $self->{channel}{$channel->{id}}) {
2708	$self->{channel}{$channel->{id}} = $channel;	2868	$self->{channel}{$channel->{id}} = $channel;
2709	$self->ext_msg (channel_info => $channel)	2869	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711	}	2870	}
2712		2871
2713	$channel = $channel->{id};	2872	$channel = $channel->{id};
2714	}	2873	}
2715		2874
2716	return unless @extra || length $msg;	2875	return unless @extra || length $msg;
2717		2876
2718	if ($self->can_msg) {
2719	# default colour, mask it out	2877	# default colour, mask it out
2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2721	if $color & cf::NDI_DEF;	2879	if $color & cf::NDI_DEF;
2722		2880
2723	$self->send_packet ("msg " . $self->{json_coder}->encode (	2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2725	} else {	2884	);
2726	if ($color >= 0) {
2727	# replace some tags by gcfclient-compatible ones
2728	for ($msg) {
2729	1 while
2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2735	}
2736		2885
2737	$color &= cf::NDI_COLOR_MASK;	2886	# try lzf for large packets
		2887	$pkt = "lzf " . Compress::LZF::compress $pkt
		2888	if 1024 <= length $pkt and $self->{can_lzf};
2738		2889
2739	utf8::encode $msg;	2890	# split very large packets
2740		2891	if (8192 < length $pkt and $self->{can_lzf}) {
2741	if (0 && $msg =~ /\[/) {	2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2742	# COMMAND/INFO	2893	$pkt = "frag";
2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
2744	} else {
2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2746	$self->send_packet ("drawinfo $color $msg")
2747	}
2748	}
2749	}	2894	}
		2895
		2896	$self->send_packet ($pkt);
2750	}	2897	}
2751		2898
2752	=item $client->ext_msg ($type, @msg)	2899	=item $client->ext_msg ($type, @msg)
2753		2900
2754	Sends an ext event to the client.	2901	Sends an ext event to the client.
…		…
2928		3075
2929	The following functions and methods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
2930		3077
2931	cf::object	3078	cf::object
2932	contr pay_amount pay_player map x y force_find force_add destroy	3079	contr pay_amount pay_player map x y force_find force_add destroy
2933	insert remove name archname title slaying race decrease_ob_nr	3080	insert remove name archname title slaying race decrease split
		3081	value
2934		3082
2935	cf::object::player	3083	cf::object::player
2936	player	3084	player
2937		3085
2938	cf::player	3086	cf::player
…		…
2943		3091
2944	=cut	3092	=cut
2945		3093
2946	for (	3094	for (
2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2948	insert remove inv name archname title slaying race	3096	insert remove inv nrof name archname title slaying race
2949	decrease_ob_nr destroy)],	3097	decrease split destroy change_exp value msg lore send_msg)],
2950	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2951	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
2952	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2953	) {	3101	) {
2954	no strict 'refs';	3102	no strict 'refs';
2955	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
2956	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2973	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
2974		3122
2975	my $qcode = $code;	3123	my $qcode = $code;
2976	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2977	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
2978		3128
2979	local $_;	3129	local $_;
2980	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
2981		3131
2982	my $eval =	3132	my $eval =
…		…
3059	{	3209	{
3060	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
3061		3211
3062	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
3064	cf::face::set_visibility $idx, $info->{visibility};	3215	cf::face::set_visibility $idx, $info->{visibility};
3065	cf::face::set_magicmap $idx, $info->{magicmap};	3216	cf::face::set_magicmap $idx, $info->{magicmap};
3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3068		3219
3069	cf::cede_to_tick;	3220	cf::cede_to_tick;
3070	}	3221	}
3071		3222
3072	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
3073	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
3074	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
3075	or next;	3227	or next;
		3228
3076	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
3077	cf::face::set_smooth $idx, $smooth;	3230	cf::face::set_smooth $idx, $smooth;
3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3079	} else {	3232	} else {
3080	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3098	{	3251	{
3099	# TODO: for gcfclient pleasure, we should give resources	3252	# TODO: for gcfclient pleasure, we should give resources
3100	# that gcfclient doesn't grok a >10000 face index.	3253	# that gcfclient doesn't grok a >10000 face index.
3101	my $res = $facedata->{resource};	3254	my $res = $facedata->{resource};
3102		3255
3103	my $soundconf = delete $res->{"res/sound.conf"};
3104
3105	while (my ($name, $info) = each %$res) {	3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3107	my $data;	3259	my $data;
3108		3260
3109	if ($info->{type} & 1) {	3261	if ($info->{type} & 1) {
3110	# prepend meta info	3262	# prepend meta info
3111		3263
3112	my $meta = $enc->encode ({	3264	my $meta = $enc->encode ({
3113	name => $name,	3265	name => $name,
3114	%{ $info->{meta} || {} },	3266	%{ $info->{meta} || {} },
3115	});	3267	});
3116		3268
3117	$data = pack "(w/a*)*", $meta, $info->{data};	3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
3118	} else {	3276	} else {
3119	$data = $info->{data};	3277	$RESOURCE{$name} = $info;
3120	}	3278	}
3121		3279
3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3123	cf::face::set_type $idx, $info->{type};
3124
3125	cf::cede_to_tick;	3280	cf::cede_to_tick;
3126	}	3281	}
3127
3128	if ($soundconf) {
3129	$soundconf = $enc->decode (delete $soundconf->{data});
3130
3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3132	my $sound = $soundconf->{compat}[$_]
3133	or next;
3134
3135	my $face = cf::face::find "sound/$sound->[1]";
3136	cf::sound::set $sound->[0] => $face;
3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3138	}
3139
3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
3141	my $face = cf::face::find "sound/$v";
3142	cf::sound::set $k => $face;
3143	}
3144	}
3145	}	3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3146		3285
3147	1	3286	1
3148	}	3287	}
		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
3149		3308
3150	register_exticmd fx_want => sub {	3309	register_exticmd fx_want => sub {
3151	my ($ns, $want) = @_;	3310	my ($ns, $want) = @_;
3152		3311
3153	while (my ($k, $v) = each %$want) {	3312	while (my ($k, $v) = each %$want) {
3154	$ns->fx_want ($k, $v);	3313	$ns->fx_want ($k, $v);
3155	}	3314	}
3156	};	3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
3157		3326
3158	sub reload_regions {	3327	sub reload_regions {
3159	# HACK to clear player env face cache, we need some signal framework	3328	# HACK to clear player env face cache, we need some signal framework
3160	# for this (global event?)	3329	# for this (global event?)
3161	%ext::player_env::MUSIC_FACE_CACHE = ();	3330	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3175	}	3344	}
3176		3345
3177	sub reload_archetypes {	3346	sub reload_archetypes {
3178	load_resource_file "$DATADIR/archetypes"	3347	load_resource_file "$DATADIR/archetypes"
3179	or die "unable to load archetypes\n";	3348	or die "unable to load archetypes\n";
3180	#d# NEED to laod twice to resolve forward references
3181	# this really needs to be done in an extra post-pass
3182	# (which needs to be synchronous, so solve it differently)
3183	load_resource_file "$DATADIR/archetypes"
3184	or die "unable to load archetypes\n";
3185	}	3349	}
3186		3350
3187	sub reload_treasures {	3351	sub reload_treasures {
3188	load_resource_file "$DATADIR/treasures"	3352	load_resource_file "$DATADIR/treasures"
3189	or die "unable to load treasurelists\n";	3353	or die "unable to load treasurelists\n";
3190	}	3354	}
3191		3355
3192	sub reload_resources {	3356	sub reload_resources {
3193	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
3194		3358
		3359	reload_facedata;
		3360	reload_archetypes;
3195	reload_regions;	3361	reload_regions;
3196	reload_facedata;
3197	#reload_archetypes;#d#
3198	reload_archetypes;
3199	reload_treasures;	3362	reload_treasures;
3200		3363
3201	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
3202	}
3203
3204	sub init {
3205	reload_resources;
3206	}	3365	}
3207		3366
3208	sub reload_config {	3367	sub reload_config {
3209	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
3210	or return;	3369	or return;
3211		3370
3212	local $/;	3371	local $/;
3213	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
3214		3373
3215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3216		3375
3217	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3218	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3224	};	3383	};
3225	warn $@ if $@;	3384	warn $@ if $@;
3226	}	3385	}
3227	}	3386	}
3228		3387
		3388	sub pidfile() {
		3389	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3390	or die "$PIDFILE: $!";
		3391	flock $fh, &Fcntl::LOCK_EX
		3392	or die "$PIDFILE: flock: $!";
		3393	$fh
		3394	}
		3395
		3396	# make sure only one server instance is running at any one time
		3397	sub atomic {
		3398	my $fh = pidfile;
		3399
		3400	my $pid = <$fh>;
		3401	kill 9, $pid if $pid > 0;
		3402
		3403	seek $fh, 0, 0;
		3404	print $fh $$;
		3405	}
		3406
		3407	sub main_loop {
		3408	warn "EV::loop starting\n";
		3409	if (1) {
		3410	EV::loop;
		3411	}
		3412	warn "EV::loop returned\n";
		3413	goto &main_loop unless $REALLY_UNLOOP;
		3414	}
		3415
3229	sub main {	3416	sub main {
		3417	cf::init_globals; # initialise logging
		3418
		3419	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3420	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3421	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3422	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3423
		3424	cf::init_experience;
		3425	cf::init_anim;
		3426	cf::init_attackmess;
		3427	cf::init_dynamic;
		3428
		3429	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3430
3230	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
3231	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3233	(async {	3434	(async {
3234	$Coro::current->{desc} = "IDLE BUG HANDLER";	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
3235	Event::one_event;	3436	EV::loop EV::LOOP_ONESHOT;
3236	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
3237	};	3438	};
3238		3439
		3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
3239	reload_config;	3444	reload_config;
3240	db_init;	3445	db_init;
		3446
		3447	cf::load_settings;
		3448	cf::load_materials;
		3449	cf::init_uuid;
		3450	cf::init_signals;
		3451	cf::init_commands;
		3452	cf::init_skills;
		3453
		3454	cf::init_beforeplay;
		3455
		3456	atomic;
		3457
3241	load_extensions;	3458	load_extensions;
3242		3459
3243	$TICK_WATCHER->start;	3460	utime time, time, $RUNTIMEFILE;
3244	Event::loop;	3461
		3462	# no (long-running) fork's whatsoever before this point(!)
		3463	use POSIX ();
		3464	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3465
		3466	(pop @POST_INIT)->(0) while @POST_INIT;
		3467	};
		3468
		3469	main_loop;
3245	}	3470	}
3246		3471
3247	#############################################################################	3472	#############################################################################
3248	# initialisation and cleanup	3473	# initialisation and cleanup
3249		3474
3250	# install some emergency cleanup handlers	3475	# install some emergency cleanup handlers
3251	BEGIN {	3476	BEGIN {
		3477	our %SIGWATCHER = ();
3252	for my $signal (qw(INT HUP TERM)) {	3478	for my $signal (qw(INT HUP TERM)) {
3253	Event->signal (	3479	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3254	reentrant => 0,
3255	data => WF_AUTOCANCEL,
3256	signal => $signal,
3257	prio => 0,
3258	cb => sub {
3259	cf::cleanup "SIG$signal";	3480	cf::cleanup "SIG$signal";
3260	},
3261	);	3481	};
3262	}	3482	}
3263	}	3483	}
3264		3484
3265	sub write_runtime {	3485	sub write_runtime_sync {
3266	my $runtime = "$LOCALDIR/runtime";
3267
3268	# first touch the runtime file to show we are still running:	3486	# first touch the runtime file to show we are still running:
3269	# the fsync below can take a very very long time.	3487	# the fsync below can take a very very long time.
3270		3488
3271	IO::AIO::aio_utime $runtime, undef, undef;	3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3272		3490
3273	my $guard = cf::lock_acquire "write_runtime";	3491	my $guard = cf::lock_acquire "write_runtime";
3274		3492
3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3276	or return;	3494	or return;
3277		3495
3278	my $value = $cf::RUNTIME + 90 + 10;	3496	my $value = $cf::RUNTIME + 90 + 10;
3279	# 10 is the runtime save interval, for a monotonic clock	3497	# 10 is the runtime save interval, for a monotonic clock
3280	# 60 allows for the watchdog to kill the server.	3498	# 60 allows for the watchdog to kill the server.
…		…
3290	aio_utime $fh, undef, undef;	3508	aio_utime $fh, undef, undef;
3291		3509
3292	close $fh	3510	close $fh
3293	or return;	3511	or return;
3294		3512
3295	aio_rename "$runtime~", $runtime	3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3296	and return;	3514	and return;
3297		3515
3298	warn "runtime file written.\n";	3516	warn "runtime file written.\n";
3299		3517
3300	1	3518	1
		3519	}
		3520
		3521	our $uuid_lock;
		3522	our $uuid_skip;
		3523
		3524	sub write_uuid_sync($) {
		3525	$uuid_skip ||= $_[0];
		3526
		3527	return if $uuid_lock;
		3528	local $uuid_lock = 1;
		3529
		3530	my $uuid = "$LOCALDIR/uuid";
		3531
		3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3533	or return;
		3534
		3535	my $value = uuid_seq uuid_cur;
		3536
		3537	unless ($value) {
		3538	warn "cowardly refusing to write zero uuid value!\n";
		3539	return;
		3540	}
		3541
		3542	my $value = uuid_str $value + $uuid_skip;
		3543	$uuid_skip = 0;
		3544
		3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3546	and return;
		3547
		3548	# always fsync - this file is important
		3549	aio_fsync $fh
		3550	and return;
		3551
		3552	close $fh
		3553	or return;
		3554
		3555	aio_rename "$uuid~", $uuid
		3556	and return;
		3557
		3558	warn "uuid file written ($value).\n";
		3559
		3560	1
		3561
		3562	}
		3563
		3564	sub write_uuid($$) {
		3565	my ($skip, $sync) = @_;
		3566
		3567	$sync ? write_uuid_sync $skip
		3568	: async { write_uuid_sync $skip };
3301	}	3569	}
3302		3570
3303	sub emergency_save() {	3571	sub emergency_save() {
3304	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
3305		3573
3306	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
3307		3575
3308	cf::sync_job {	3576	cf::sync_job {
		3577	# this is a trade-off: we want to be very quick here, so
		3578	# save all maps without fsync, and later call a global sync
		3579	# (which in turn might be very very slow)
		3580	local $USE_FSYNC = 0;
		3581
3309	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
3310	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
3311	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
3312	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
3313	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
3314	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
3315	$pl->valid or next;	3588	$pl->valid or next;
3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3317	$pl->save;	3590	$pl->save;
3318	}	3591	}
3319	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
3320		3593
3321	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
3322	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
3323	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
3324	$map->valid or next;	3597	$map->valid or next;
3325	$map->save;	3598	$map->save;
3326	}	3599	}
3327	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
3328		3601
3329	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
3331	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
3332	};	3609	};
3333		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
3334	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
3335	}	3617	}
3336		3618
3337	sub post_cleanup {	3619	sub post_cleanup {
3338	my ($make_core) = @_;	3620	my ($make_core) = @_;
3339		3621
3340	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
3341	if $make_core;	3623	if $make_core;
		3624
		3625	my $fh = pidfile;
		3626	unlink $PIDFILE if <$fh> == $$;
		3627	}
		3628
		3629	# a safer delete_package, copied from Symbol
		3630	sub clear_package($) {
		3631	my $pkg = shift;
		3632
		3633	# expand to full symbol table name if needed
		3634	unless ($pkg =~ /^main::.*::$/) {
		3635	$pkg = "main$pkg" if $pkg =~ /^::/;
		3636	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3637	$pkg .= '::' unless $pkg =~ /::$/;
		3638	}
		3639
		3640	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3641	my $stem_symtab = *{$stem}{HASH};
		3642
		3643	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3644	or return;
		3645
		3646	# clear all symbols
		3647	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3648	for my $name (keys %$leaf_symtab) {
		3649	_gv_clear *{"$pkg$name"};
		3650	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3651	}
		3652	warn "cleared package $pkg\n";#d#
3342	}	3653	}
3343		3654
3344	sub do_reload_perl() {	3655	sub do_reload_perl() {
3345	# can/must only be called in main	3656	# can/must only be called in main
3346	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
3347	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
3348	return;	3659	return;
3349	}	3660	}
3350		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
3351	warn "reloading...";	3667	warn "reloading...";
3352		3668
3353	warn "entering sync_job";	3669	warn "entering sync_job";
3354		3670
3355	cf::sync_job {	3671	cf::sync_job {
3356	cf::write_runtime; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
3357	cf::emergency_save;	3673	cf::emergency_save;
3358	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
3359		3675
3360	warn "syncing database to disk";	3676	warn "syncing database to disk";
3361	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
3362		3678
3363	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
3364		3680
3365	warn "cancelling all WF_AUTOCANCEL watchers";
3366	for (Event::all_watchers) {
3367	$_->cancel if $_->data & WF_AUTOCANCEL;
3368	}
3369
3370	warn "flushing outstanding aio requests";	3681	warn "flushing outstanding aio requests";
3371	for (;;) {
3372	BDB::flush;
3373	IO::AIO::flush;
3374	Coro::cede;
3375	last unless IO::AIO::nreqs || BDB::nreqs;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
3376	warn "iterate...";	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3377	}
3378
3379	++$RELOAD;
3380
3381	warn "cancelling all extension coros";
3382	$_->cancel for values %EXT_CORO;
3383	%EXT_CORO = ();
3384
3385	warn "removing commands";
3386	%COMMAND = ();
3387
3388	warn "removing ext/exti commands";
3389	%EXTCMD = ();
3390	%EXTICMD = ();
3391
3392	warn "unloading/nuking all extensions";
3393	for my $pkg (@EXTS) {
3394	warn "... unloading $pkg";
3395
3396	if (my $cb = $pkg->can ("unload")) {
3397	eval {
3398	$cb->($pkg);
3399	1
3400	} or warn "$pkg unloaded, but with errors: $@";
3401	}	3684	}
3402		3685
3403	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
3404	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
3405	}	3688	%EXT_CORO = ();
3406		3689
3407	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
3408	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
3409	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3410		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
3411	warn "... unloading $k";	3699	warn "... unloading $pkg";
3412	delete $INC{$k};
3413		3700
3414	$k =~ s/\.pm$//;
3415	$k =~ s/\//::/g;
3416
3417	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
3418	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
3419	}	3710	}
3420		3711
3421	Symbol::delete_package $k;	3712	warn "unloading all perl modules loaded from $LIBDIR";
		3713	while (my ($k, $v) = each %INC) {
		3714	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3715
		3716	warn "... unloading $k";
		3717	delete $INC{$k};
		3718
		3719	$k =~ s/\.pm$//;
		3720	$k =~ s/\//::/g;
		3721
		3722	if (my $cb = $k->can ("unload_module")) {
		3723	$cb->();
		3724	}
		3725
		3726	clear_package $k;
3422	}	3727	}
3423		3728
3424	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
3425	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3731	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3427		3732
3428	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
3429	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
3430	delete $INC{"cf/pod.pm"};	3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3431		3736
3432	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
3433	# and global variables created in xs	3738	# and global variables created in xs
3434	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
3435		3740
3436	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
3437		3742
3438	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
3439	require cf;	3744	require cf;
3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3441		3746
3442	warn "loading config and database again";	3747	warn "loading config and database again";
3443	cf::reload_config;	3748	cf::reload_config;
3444		3749
3445	warn "loading extensions";	3750	warn "loading extensions";
3446	cf::load_extensions;	3751	cf::load_extensions;
3447		3752
		3753	if ($REATTACH_ON_RELOAD) {
3448	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
3449	_global_reattach; # objects, sockets	3755	_global_reattach; # objects, sockets
3450	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
3451	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
3452	warn "reattaching attachments to players";	3758	warn "reattaching attachments to players";
3453	reattach $_ for values %PLAYER;	3759	reattach $_ for values %PLAYER;
		3760	}
3454		3761
		3762	warn "running post_init jobs";
		3763	(pop @POST_INIT)->(1) while @POST_INIT;
		3764
3455	warn "leaving sync_job";	3765	warn "leaving sync_job";
3456		3766
3457	1	3767	1
3458	} or do {	3768	} or do {
3459	warn $@;	3769	warn $@;
3460	warn "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
3461	exit 1;
3462	};	3771	};
3463		3772
3464	warn "reloaded";	3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
3465	};	3779	};
3466		3780
3467	our $RELOAD_WATCHER; # used only during reload	3781	our $RELOAD_WATCHER; # used only during reload
3468		3782
3469	sub reload_perl() {	3783	sub reload_perl() {
3470	# doing reload synchronously and two reloads happen back-to-back,	3784	# doing reload synchronously and two reloads happen back-to-back,
3471	# coro crashes during coro_state_free->destroy here.	3785	# coro crashes during coro_state_free->destroy here.
3472		3786
3473	$RELOAD_WATCHER ||= Event->timer (	3787	$RELOAD_WATCHER ||= cf::async {
3474	reentrant => 0,	3788	Coro::AIO::aio_wait cache_extensions;
3475	after => 0,	3789
3476	data => WF_AUTOCANCEL,	3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3477	cb => sub {
3478	do_reload_perl;	3791	do_reload_perl;
3479	undef $RELOAD_WATCHER;	3792	undef $RELOAD_WATCHER;
3480	},	3793	};
3481	);	3794	};
3482	}	3795	}
3483		3796
3484	register_command "reload" => sub {	3797	register_command "reload" => sub {
3485	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
3486		3799
…		…
3499		3812
3500	our @WAIT_FOR_TICK;	3813	our @WAIT_FOR_TICK;
3501	our @WAIT_FOR_TICK_BEGIN;	3814	our @WAIT_FOR_TICK_BEGIN;
3502		3815
3503	sub wait_for_tick {	3816	sub wait_for_tick {
3504	return unless $TICK_WATCHER->is_active;
3505	return if $Coro::current == $Coro::main;	3817	return if tick_inhibit || $Coro::current == $Coro::main;
3506		3818
3507	my $signal = new Coro::Signal;	3819	my $signal = new Coro::Signal;
3508	push @WAIT_FOR_TICK, $signal;	3820	push @WAIT_FOR_TICK, $signal;
3509	$signal->wait;	3821	$signal->wait;
3510	}	3822	}
3511		3823
3512	sub wait_for_tick_begin {	3824	sub wait_for_tick_begin {
3513	return unless $TICK_WATCHER->is_active;
3514	return if $Coro::current == $Coro::main;	3825	return if tick_inhibit || $Coro::current == $Coro::main;
3515		3826
3516	my $signal = new Coro::Signal;	3827	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK_BEGIN, $signal;	3828	push @WAIT_FOR_TICK_BEGIN, $signal;
3518	$signal->wait;	3829	$signal->wait;
3519	}	3830	}
3520		3831
3521	$TICK_WATCHER = Event->timer (	3832	sub tick {
3522	reentrant => 0,
3523	parked => 1,
3524	prio => 0,
3525	at => $NEXT_TICK || $TICK,
3526	data => WF_AUTOCANCEL,
3527	cb => sub {
3528	if ($Coro::current != $Coro::main) {	3833	if ($Coro::current != $Coro::main) {
3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3834	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3530	unless ++$bug_warning > 10;	3835	unless ++$bug_warning > 10;
3531	return;	3836	return;
3532	}	3837	}
3533		3838
3534	$NOW = $tick_start = Event::time;
3535
3536	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
3537		3840
3538	$RUNTIME += $TICK;
3539	$NEXT_TICK += $TICK;
3540
3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3542	$NEXT_RUNTIME_WRITE = $NOW + 10;	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3543	Coro::async_pool {	3843	Coro::async_pool {
3544	$Coro::current->{desc} = "runtime saver";	3844	$Coro::current->{desc} = "runtime saver";
3545	write_runtime	3845	write_runtime_sync
3546	or warn "ERROR: unable to write runtime file: $!";	3846	or warn "ERROR: unable to write runtime file: $!";
3547	};
3548	}	3847	};
		3848	}
3549		3849
3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3551	$sig->send;	3851	$sig->send;
3552	}	3852	}
3553	while (my $sig = shift @WAIT_FOR_TICK) {	3853	while (my $sig = shift @WAIT_FOR_TICK) {
3554	$sig->send;	3854	$sig->send;
3555	}	3855	}
3556		3856
3557	$NOW = Event::time;	3857	$LOAD = ($NOW - $TICK_START) / $TICK;
3558
3559	# if we are delayed by four ticks or more, skip them all
3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3561
3562	$TICK_WATCHER->at ($NEXT_TICK);
3563	$TICK_WATCHER->start;
3564
3565	$LOAD = ($NOW - $tick_start) / $TICK;
3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3858	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3567		3859
3568	_post_tick;	3860	if (0) {
		3861	if ($NEXT_TICK) {
		3862	my $jitter = $TICK_START - $NEXT_TICK;
		3863	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3864	warn "jitter $JITTER\n";#d#
		3865	}
3569	},	3866	}
3570	);	3867	}
3571		3868
3572	{	3869	{
		3870	# configure BDB
		3871
3573	BDB::min_parallel 8;	3872	BDB::min_parallel 8;
3574	BDB::max_poll_time $TICK * 0.1;	3873	BDB::max_poll_reqs $TICK * 0.1;
3575	$BDB_POLL_WATCHER = Event->io (	3874	$AnyEvent::BDB::WATCHER->priority (1);
3576	reentrant => 0,
3577	fd => BDB::poll_fileno,
3578	poll => 'r',
3579	prio => 0,
3580	data => WF_AUTOCANCEL,
3581	cb => \&BDB::poll_cb,
3582	);
3583
3584	BDB::set_sync_prepare {
3585	my $status;
3586	my $current = $Coro::current;
3587	(
3588	sub {
3589	$status = $!;
3590	$current->ready; undef $current;
3591	},
3592	sub {
3593	Coro::schedule while defined $current;
3594	$! = $status;
3595	},
3596	)
3597	};
3598		3875
3599	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
3600	$DB_ENV = BDB::db_env_create;	3877	$DB_ENV = BDB::db_env_create;
3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3602	| BDB::LOG_AUTOREMOVE, 1);	3879	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3880	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3605		3883
3606	cf::sync_job {	3884	cf::sync_job {
3607	eval {	3885	eval {
…		…
3617		3895
3618	cf::cleanup "db_env_open(db): $@" if $@;	3896	cf::cleanup "db_env_open(db): $@" if $@;
3619	};	3897	};
3620	}	3898	}
3621		3899
3622	$BDB_DEADLOCK_WATCHER = Event->timer (	3900	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3623	after => 3,
3624	interval => 1,
3625	hard => 1,
3626	prio => 0,
3627	data => WF_AUTOCANCEL,
3628	cb => sub {
3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3901	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3630	},
3631	);	3902	};
3632	$BDB_CHECKPOINT_WATCHER = Event->timer (	3903	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3633	after => 11,
3634	interval => 60,
3635	hard => 1,
3636	prio => 0,
3637	data => WF_AUTOCANCEL,
3638	cb => sub {
3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3904	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3640	},
3641	);	3905	};
3642	$BDB_TRICKLE_WATCHER = Event->timer (	3906	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3643	after => 5,
3644	interval => 10,
3645	hard => 1,
3646	prio => 0,
3647	data => WF_AUTOCANCEL,
3648	cb => sub {
3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3907	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3650	},
3651	);	3908	};
3652	}	3909	}
3653		3910
3654	{	3911	{
		3912	# configure IO::AIO
		3913
3655	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
3656
3657	undef $Coro::AIO::WATCHER;
3658	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
3659	$AIO_POLL_WATCHER = Event->io (	3916	undef $AnyEvent::AIO::WATCHER;
3660	reentrant => 0,
3661	data => WF_AUTOCANCEL,
3662	fd => IO::AIO::poll_fileno,
3663	poll => 'r',
3664	prio => 0,
3665	cb => \&IO::AIO::poll_cb,
3666	);
3667	}	3917	}
3668		3918
3669	my $_log_backtrace;	3919	my $_log_backtrace;
3670		3920
3671	sub _log_backtrace {	3921	sub _log_backtrace {
…		…
3674	$msg =~ s/\n//;	3924	$msg =~ s/\n//;
3675		3925
3676	# limit the # of concurrent backtraces	3926	# limit the # of concurrent backtraces
3677	if ($_log_backtrace < 2) {	3927	if ($_log_backtrace < 2) {
3678	++$_log_backtrace;	3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
3679	async {	3930	async {
3680	$Coro::current->{desc} = "abt $msg";	3931	$Coro::current->{desc} = "abt $msg";
3681		3932
3682	my @bt = fork_call {	3933	my @bt = fork_call {
3683	@addr = map { sprintf "%x", $_ } @addr;	3934	@addr = map { sprintf "%x", $_ } @addr;
…		…
3694	}	3945	}
3695		3946
3696	@funcs	3947	@funcs
3697	};	3948	};
3698		3949
3699	LOG llevInfo, "[ABT] $msg\n";	3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3700	LOG llevInfo, "[ABT] $_\n" for @bt;	3952	LOG llevInfo, "[ABT] $_\n" for @bt;
3701	--$_log_backtrace;	3953	--$_log_backtrace;
3702	};	3954	};
3703	} else {	3955	} else {
3704	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $msg\n";
3705	LOG llevInfo, "[ABT] [suppressed]\n";	3957	LOG llevInfo, "[ABT] [suppressed]\n";
3706	}	3958	}
3707	}	3959	}
3708		3960
3709	# load additional modules	3961	# load additional modules
3710	use cf::pod;	3962	require "cf/$_.pm" for @EXTRA_MODULES;
3711		3963
3712	END { cf::emergency_save }	3964	END { cf::emergency_save }
3713		3965
3714	1	3966	1
3715		3967

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