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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.388 by root, Thu Oct 18 02:56:13 2007 UTC vs.
Revision 1.490 by root, Sat Oct 24 06:16:40 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 it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
13	use Storable ();	36	use Storable ();
14		37
		38	use Guard ();
15	use Coro 4.1 ();	39	use Coro ();
16	use Coro::State;	40	use Coro::State;
17	use Coro::Handle;	41	use Coro::Handle;
		42	use Coro::EV;
18	use Coro::Event;	43	use Coro::AnyEvent;
19	use Coro::Timer;	44	use Coro::Timer;
20	use Coro::Signal;	45	use Coro::Signal;
21	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
22	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
23	use Coro::Storable;	51	use Coro::Storable;
24	use Coro::Util ();	52	use Coro::Util ();
25		53
26	use JSON::XS ();	54	use JSON::XS 2.01 ();
27	use BDB ();	55	use BDB ();
28	use Data::Dumper;	56	use Data::Dumper;
29	use Digest::MD5;	57	use Digest::MD5;
30	use Fcntl;	58	use Fcntl;
31	use YAML::Syck ();	59	use YAML::XS ();
32	use IO::AIO 2.51 ();	60	use IO::AIO ();
33	use Time::HiRes;	61	use Time::HiRes;
34	use Compress::LZF;	62	use Compress::LZF;
35	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
36		66
37	# configure various modules to our taste	67	# configure various modules to our taste
38	#	68	#
39	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		77
43	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
44		79	$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		80
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
75		112
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	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	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	115	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		117
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	121	our $DB_ENV;
89		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
90	our %CFG;	125	our %CFG;
91		126
92	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
94		130
95	our (%PLAYER, %PLAYER_LOADING); # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
98		134
99	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		137
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
105		147
106	binmode STDOUT;	148	binmode STDOUT;
107	binmode STDERR;	149	binmode STDERR;
108		150
109	# read virtual server time, if available	151	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
114	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
115		159
116	mkdir $_	160	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		162
119	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
120		164
121	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		177
123	#############################################################################	178	#############################################################################
124		179
125	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
126		181
…		…
162		217
163	The raw value load value from the last tick.	218	The raw value load value from the last tick.
164		219
165	=item %cf::CFG	220	=item %cf::CFG
166		221
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	223	from wherever your confdir points to.
169		224
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		226
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		230
176	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
177		232
178	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	235	that call.
181		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
182	=back	243	=back
183		244
184	=cut	245	=cut
185		246
186	BEGIN {	247	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	248	my $msg = join "", @_;
189		249
190	$msg .= "\n"	250	$msg .= "\n"
191	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
192		252
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		254
195	LOG llevError, $msg;	255	LOG llevError, $msg;
196	};	256	};
197	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
198		271
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	282	for my $pkg (qw(
210	cf::global cf::attachable	283	cf::global cf::attachable
211	cf::object cf::object::player	284	cf::object cf::object::player
212	cf::client cf::player	285	cf::client cf::player
213	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
214	cf::map cf::party cf::region	288	cf::party cf::region
215	)) {	289	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	291	}
219		292
220	$Event::DIED = sub {	293	$EV::DIED = sub {
221	warn "error in event callback: @_";	294	warn "error in event callback: @_";
222	};	295	};
223		296
224	#############################################################################	297	#############################################################################
225		298
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	322	$d
250	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
251	}	324	}
252		325
253	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
254		327
255	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
256		329
257	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
258		331
259	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
260		333
261	=cut	334	=cut
262		335
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		337
265	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
267		354
268	=item cf::lock_wait $string	355	=item cf::lock_wait $string
269		356
270	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
271		358
272	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
273		360
274	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
277	returned.	364	returned.
278		365
279	Locks are *not* recursive, locking from the same coro twice results in a	366	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	367	deadlocked coro.
…		…
286		373
287	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
288		375
289	=cut	376	=cut
290		377
291	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		379
294	sub lock_wait($) {	380	sub lock_wait($) {
295	my ($key) = @_;	381	$LOCKS->wait ($_[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} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	382	}
308		383
309	sub lock_acquire($) {	384	sub lock_acquire($) {
310	my ($key) = @_;	385	$LOCKS->guard ($_[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	}	386	}
324		387
325	sub lock_active($) {	388	sub lock_active($) {
326	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	390	}
330		391
331	sub freeze_mainloop {	392	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
333		394
334	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	396	}
336	};	397
337	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
338	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
339	}	411	}
340		412
341	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
342		414
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	455	}
384	}	456	}
385	};	457	};
386		458
387	sub get_slot($;$$) {	459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
388	my ($time, $pri, $name) = @_;	462	my ($time, $pri, $name) = @_;
389		463
390	$time = $TICK * .6 if $time > $TICK * .6;	464	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	465	my $sig = new Coro::Signal;
392		466
…		…
406		480
407	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
408		482
409	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
410		484
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	485	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	486	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	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	488	acceptable.
415		489
416	If it must be done, put the blocking parts into C<sync_job>. This will run	490	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	491	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		496
423	sub sync_job(&) {	497	sub sync_job(&) {
424	my ($job) = @_;	498	my ($job) = @_;
425		499
426	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	501	my $time = EV::time;
428		502
429	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
431		505
432	LOG llevError, Carp::longmess "sync job";#d#	506	LOG llevError, Carp::longmess "sync job";#d#
433		507
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
437		509
438	my $busy = 1;	510	my $busy = 1;
439	my @res;	511	my @res;
440		512
…		…
447		519
448	while ($busy) {	520	while ($busy) {
449	if (Coro::nready) {	521	if (Coro::nready) {
450	Coro::cede_notself;	522	Coro::cede_notself;
451	} else {	523	} else {
452	Event::one_event;	524	EV::loop EV::LOOP_ONESHOT;
453	}	525	}
454	}	526	}
455		527
456	$time = Event::time - $time;	528	my $time = EV::time - $time;
457		529
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
462		531
463	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
464	} else {	533	} else {
465	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
466		535
…		…
491	=item fork_call { }, $args	560	=item fork_call { }, $args
492		561
493	Executes the given code block with the given arguments in a seperate	562	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	564	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
497		566
498	=cut	567	=cut
499		568
500	sub fork_call(&@) {	569	sub fork_call(&@) {
501	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
…		…
508	reset_signals;	577	reset_signals;
509	&$cb	578	&$cb
510	}, @args;	579	}, @args;
511		580
512	wantarray ? @res : $res[-1]	581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
513	}	609	}
514		610
515	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
516		612
517	Returns a single value from the environment database.	613	Returns a single value from the environment database.
…		…
656		752
657	#############################################################################	753	#############################################################################
658		754
659	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
660		756
661	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
664		760
665	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	763	Deliantra).
668		764
669	=over 4	765	=over 4
670		766
671	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
672		768
…		…
716	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
717		813
718	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
720		816
721	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
723		819
724	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
725		821
726	=over 4	822	=over 4
…		…
954	}	1050	}
955		1051
956	0	1052	0
957	}	1053	}
958		1054
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1056
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1058
963	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
964		1060
…		…
1017		1113
1018	sub reattach {	1114	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1116	my ($obj) = @_;
1021		1117
		1118	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1120
1024	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
1025		1122
1026	@$registry = ();	1123	@$registry = ();
1027		1124
…		…
1042	cf::attachable->attach (	1139	cf::attachable->attach (
1043	prio => -1000000,	1140	prio => -1000000,
1044	on_instantiate => sub {	1141	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
1046		1143
1047	$data = from_json $data;	1144	$data = decode_json $data;
1048		1145
1049	for (@$data) {	1146	for (@$data) {
1050	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
1051		1148
1052	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1170	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1076		1173
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1177	if ($cf::USE_FSYNC) {
		1178	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;
		1179	aio_fsync $fh;
		1180	}
1081	close $fh;	1181	aio_close $fh;
1082		1182
1083	if (@$objs) {	1183	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1188	if ($cf::USE_FSYNC) {
		1189	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;
		1190	aio_fsync $fh;
		1191	}
1089	close $fh;	1192	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1194	}
1092	} else {	1195	} else {
1093	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1094	}	1197	}
1095		1198
1096	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1203	} else {
1098	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1099	}	1205	}
1100	} else {	1206	} else {
1101	aio_unlink $filename;	1207	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1103	}	1209	}
…		…
1194	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1195		1301
1196	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1197	}	1303	}
1198		1304
		1305	use File::Glob ();
		1306
1199	cf::player->attach (	1307	cf::player->attach (
1200	on_command => sub {	1308	on_command => sub {
1201	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1202		1310
1203	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1235		1343
1236	cf::override;	1344	cf::override;
1237	},	1345	},
1238	);	1346	);
1239		1347
		1348	# "readahead" all extensions
		1349	sub cache_extensions {
		1350	my $grp = IO::AIO::aio_group;
		1351
		1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1353	for (grep /\.ext$/, @{$_[0]}) {
		1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1355	}
		1356	};
		1357
		1358	$grp
		1359	}
		1360
1240	sub load_extensions {	1361	sub load_extensions {
1241	cf::sync_job {	1362	cf::sync_job {
1242	my %todo;	1363	my %todo;
1243		1364
1244	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1263		1384
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1387
1267	$ext{source} =	1388	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1270	. $source	1391	. $source
1271	. "\n};\n1";	1392	. "\n};\n1";
1272		1393
1273	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1289	my $msg = $@ ? "$v->{path}: $@\n"	1410	my $msg = $@ ? "$v->{path}: $@\n"
1290	: "$v->{base}: extension inactive.\n";	1411	: "$v->{base}: extension inactive.\n";
1291		1412
1292	if (exists $v->{meta}{mandatory}) {	1413	if (exists $v->{meta}{mandatory}) {
1293	warn $msg;	1414	warn $msg;
1294	warn "mandatory extension failed to load, exiting.\n";	1415	cf::cleanup "mandatory extension failed to load, exiting.";
1295	exit 1;
1296	}	1416	}
1297		1417
1298	warn $msg;	1418	warn $msg;
1299	}	1419	}
1300		1420
…		…
1314		1434
1315	=back	1435	=back
1316		1436
1317	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1318		1438
1319	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1320		1440
1321	=cut	1441	=cut
1322		1442
1323	package cf::player;	1443	package cf::player;
1324		1444
…		…
1367		1487
1368	sub exists($) {	1488	sub exists($) {
1369	my ($login) = @_;	1489	my ($login) = @_;
1370		1490
1371	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1373	}	1493	}
1374		1494
1375	sub find($) {	1495	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1497	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1509	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1510	or return;
1391		1511
1392	my $pl = cf::player::load_pl $f	1512	my $pl = cf::player::load_pl $f
1393	or return;	1513	or return;
		1514
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1515	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1516	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1397	}	1518	}
1398	}	1519	}
…		…
1408		1529
1409	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1410		1531
1411	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
		1534
		1535	cf::get_slot 0.01;
1413		1536
1414	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1538	cf::cede_to_tick;
1416	}	1539	}
1417		1540
…		…
1449	my ($pl) = @_;	1572	my ($pl) = @_;
1450		1573
1451	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1452		1575
1453	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1578
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1460		1585
1461	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1626
1502	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
1503	my $path = path $login;	1628	my $path = path $login;
1504		1629
1505	# a .pst is a dead give-away for a valid player	1630	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1636	}
1511		1637
…		…
1542	}	1668	}
1543		1669
1544	\@paths	1670	\@paths
1545	}	1671	}
1546		1672
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1674
1549	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	sub expand_cfpod {
1554	((my $self), (local $_)) = @_;
1555
1556	# escape & and <
1557	s/&/&amp;/g;
1558	s/(?<![BIUGHT])</&lt;/g;
1559
1560	# this is buggy, it needs to properly take care of nested <'s
1561
1562	1 while
1563	# replace B<>, I<>, U<> etc.
1564	s/B<([^\>]*)>/<b>$1<\/b>/
1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568	# replace G<male|female> tags
1569	|| s{G<([^>|]*)\|([^>]*)>}{
1570	$self->gender ? $2 : $1
1571	}ge
1572	# replace H<hint text>
1573	|| s{H<([^\>]*)>}
1574	{
1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577	"")
1578	[$self->{hintmode}]
1579	}ge;
1580
1581	# create single paragraphs (very hackish)
1582	s/(?<=\S)\n(?=\w)/ /g;
1583
1584	# compress some whitespace
1585	s/\s+\n/\n/g; # ws line-ends
1586	s/\n\n+/\n/g; # double lines
1587	s/^\n+//; # beginning lines
1588	s/\n+$//; # ending lines
1589
1590	$_
1591	}
1592
1593	sub hintmode {
1594	$_[0]{hintmode} = $_[1] if @_ > 1;
1595	$_[0]{hintmode}
1596	}
1597		1676
1598	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1599		1678
1600	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1601		1680
…		…
1668	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1669	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1670		1749
1671	sub generate_random_map {	1750	sub generate_random_map {
1672	my ($self, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1754
1673	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1674	$self->_create_random_map (	1756	$self->_create_random_map (
1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1799		1881
1800	# the temporary/swap location	1882	# the temporary/swap location
1801	sub save_path {	1883	sub save_path {
1802	my ($self) = @_;	1884	my ($self) = @_;
1803		1885
1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1805	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1806	}	1888	}
1807		1889
1808	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1809	sub uniq_path {	1891	sub uniq_path {
1810	my ($self) = @_;	1892	my ($self) = @_;
1811		1893
1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1813	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1814	}
1815
1816	# and all this just because we cannot iterate over
1817	# all maps in C++...
1818	sub change_all_map_light {
1819	my ($change) = @_;
1820
1821	$_->change_map_light ($change)
1822	for grep $_->outdoor, values %cf::MAP;
1823	}	1896	}
1824		1897
1825	sub decay_objects {	1898	sub decay_objects {
1826	my ($self) = @_;	1899	my ($self) = @_;
1827		1900
…		…
1911	sub find {	1984	sub find {
1912	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1913		1986
1914	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1915		1988
1916	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1917	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1918		1991
1919	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1920	my $guard1 = cf::lock_acquire "map_find:$path";
1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1923	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1924	or return;	1994	or return;
1925		1995
1926	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1927		1997
…		…
1929	or return;	1999	or return;
1930		2000
1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1932	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1933	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
1934	undef $guard1;	2005	undef $guard1;
1935	undef $guard2;
1936	$map->reset;	2006	$map->reset;
1937	return find $path;	2007	return find $path;
1938	}	2008	}
1939		2009
1940	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
…		…
1967	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
1968	$f->skip_block;	2038	$f->skip_block;
1969	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
1970	or return;	2040	or return;
1971		2041
1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1973	if delete $self->{load_original};	2043	if delete $self->{load_original};
1974		2044
1975	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1976	utf8::encode $uniq;	2046	utf8::encode $uniq;
1977	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
1995	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
1996	$self->decay_objects;	2066	$self->decay_objects;
1997	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
1998	$self->update_buttons;	2068	$self->update_buttons;
1999	cf::cede_to_tick;	2069	cf::cede_to_tick;
2000	$self->set_darkness_map;
2001	cf::cede_to_tick;
2002	$self->activate;	2070	$self->activate;
2003	}	2071	}
2004		2072
2005	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
2006	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
2007		2075
2008	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
2009	}	2077	}
2010		2078
2011	$self->post_load;	2079	$self->post_load;
2012	}	2080	}
2013		2081
…		…
2071	my ($path, $origin, $load) = @_;	2139	my ($path, $origin, $load) = @_;
2072		2140
2073	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
2074		2142
2075	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2077	}	2145	}
2078		2146
2079	$MAP_PREFETCH{$path} |= $load;	2147	$MAP_PREFETCH{$path} |= $load;
2080		2148
2081	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
…		…
2118	cf::async {	2186	cf::async {
2119	$Coro::current->{desc} = "map player save";	2187	$Coro::current->{desc} = "map player save";
2120	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
2121	};	2189	};
2122		2190
		2191	cf::get_slot 0.02;
		2192
2123	if ($uniq) {	2193	if ($uniq) {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2126	} else {	2196	} else {
2127	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2135	$self->save;	2205	$self->save;
2136		2206
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2208
2139	return if $self->players;	2209	return if $self->players;
2140	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
2141	return if $self->{deny_save};	2211	return if $self->{deny_save};
2142		2212
2143	$self->in_memory (cf::MAP_SWAPPED);	2213	$self->in_memory (cf::MAP_SWAPPED);
2144		2214
2145	$self->deactivate;	2215	$self->deactivate;
…		…
2170		2240
2171	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2172		2242
2173	return if $self->players;	2243	return if $self->players;
2174		2244
2175	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2176		2246
2177	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2178		2248
2179	# need to save uniques path	2249	# need to save uniques path
2180	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2263		2333
2264	sub unique_maps() {	2334	sub unique_maps() {
2265	[	2335	[
2266	map {	2336	map {
2267	utf8::decode $_;	2337	utf8::decode $_;
2268	/\.map$/	2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
2269	? normalise $_	2341	: normalise $_
2270	: ()
2271	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2272	]	2343	]
2273	}	2344	}
2274		2345
2275	package cf;	2346	=item cf::map::static_maps
		2347
		2348	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2349	file in the shared directory excluding F</styles>). May block.
		2350
		2351	=cut
		2352
		2353	sub static_maps() {
		2354	my @dirs = "";
		2355	my @maps;
		2356
		2357	while (@dirs) {
		2358	my $dir = shift @dirs;
		2359
		2360	next if $dir eq "/styles";
		2361
		2362	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2363	or return;
		2364
		2365	for (@$files) {
		2366	s/\.map$// or next;
		2367	utf8::decode $_;
		2368	push @maps, "$dir/$_";
		2369	}
		2370
		2371	push @dirs, map "$dir/$_", @$dirs;
		2372	}
		2373
		2374	\@maps
		2375	}
2276		2376
2277	=back	2377	=back
2278		2378
2279	=head3 cf::object	2379	=head3 cf::object
2280		2380
…		…
2284		2384
2285	=over 4	2385	=over 4
2286		2386
2287	=item $ob->inv_recursive	2387	=item $ob->inv_recursive
2288		2388
2289	Returns the inventory of the object _and_ their inventories, recursively.	2389	Returns the inventory of the object I<and> their inventories, recursively,
		2390	but I<not> the object itself.
2290		2391
2291	=cut	2392	=cut
2292		2393
2293	sub inv_recursive_;	2394	sub inv_recursive_;
2294	sub inv_recursive_ {	2395	sub inv_recursive_ {
…		…
2299	inv_recursive_ inv $_[0]	2400	inv_recursive_ inv $_[0]
2300	}	2401	}
2301		2402
2302	=item $ref = $ob->ref	2403	=item $ref = $ob->ref
2303		2404
2304	creates and returns a persistent reference to an objetc that can be stored as a string.	2405	Creates and returns a persistent reference to an object that can be stored as a string.
2305		2406
2306	=item $ob = cf::object::deref ($refstring)	2407	=item $ob = cf::object::deref ($refstring)
2307		2408
2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2409	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2309	even if the object actually exists. May block.	2410	even if the object actually exists. May block.
…		…
2341	can be C<undef>. Does the right thing when the player is currently in a	2442	can be C<undef>. Does the right thing when the player is currently in a
2342	dialogue with the given NPC character.	2443	dialogue with the given NPC character.
2343		2444
2344	=cut	2445	=cut
2345		2446
		2447	our $SAY_CHANNEL = {
		2448	id => "say",
		2449	title => "Map",
		2450	reply => "say ",
		2451	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2452	};
		2453
		2454	our $CHAT_CHANNEL = {
		2455	id => "chat",
		2456	title => "Chat",
		2457	reply => "chat ",
		2458	tooltip => "Player chat and shouts, global to the server.",
		2459	};
		2460
2346	# rough implementation of a future "reply" method that works	2461	# rough implementation of a future "reply" method that works
2347	# with dialog boxes.	2462	# with dialog boxes.
2348	#TODO: the first argument must go, split into a $npc->reply_to ( method	2463	#TODO: the first argument must go, split into a $npc->reply_to ( method
2349	sub cf::object::player::reply($$$;$) {	2464	sub cf::object::player::reply($$$;$) {
2350	my ($self, $npc, $msg, $flags) = @_;	2465	my ($self, $npc, $msg, $flags) = @_;
…		…
2361	my $dialog = $pl->{npc_dialog};	2476	my $dialog = $pl->{npc_dialog};
2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2477	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363		2478
2364	} else {	2479	} else {
2365	$msg = $npc->name . " says: $msg" if $npc;	2480	$msg = $npc->name . " says: $msg" if $npc;
2366	$self->message ($msg, $flags);	2481	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2367	}	2482	}
2368	}	2483	}
2369	}	2484	}
2370		2485
2371	=item $object->send_msg ($channel, $msg, $color, [extra...])	2486	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2396		2511
2397	=item $player_object->enter_link	2512	=item $player_object->enter_link
2398		2513
2399	Freezes the player and moves him/her to a special map (C<{link}>).	2514	Freezes the player and moves him/her to a special map (C<{link}>).
2400		2515
2401	The player should be reasonably safe there for short amounts of time. You	2516	The player should be reasonably safe there for short amounts of time (e.g.
2402	I<MUST> call C<leave_link> as soon as possible, though.	2517	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2518	though, as the palyer cannot control the character while it is on the link
		2519	map.
2403		2520
2404	Will never block.	2521	Will never block.
2405		2522
2406	=item $player_object->leave_link ($map, $x, $y)	2523	=item $player_object->leave_link ($map, $x, $y)
2407		2524
…		…
2465		2582
2466	$map->load;	2583	$map->load;
2467	$map->load_neighbours;	2584	$map->load_neighbours;
2468		2585
2469	return unless $self->contr->active;	2586	return unless $self->contr->active;
2470	$self->activate_recursive;
2471		2587
2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2473	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
		2590
		2591	# only activate afterwards, to support waiting in hooks
		2592	$self->activate_recursive;
2474	}	2593	}
2475		2594
2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2595	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2477		2596
2478	Moves the player to the given map-path and coordinates by first freezing	2597	Moves the player to the given map-path and coordinates by first freezing
2479	her, loading and preparing them map, calling the provided $check callback	2598	her, loading and preparing them map, calling the provided $check callback
2480	that has to return the map if sucecssful, and then unfreezes the player on	2599	that has to return the map if sucecssful, and then unfreezes the player on
2481	the new (success) or old (failed) map position. In either case, $done will	2600	the new (success) or old (failed) map position. In either case, $done will
2482	be called at the end of this process.	2601	be called at the end of this process.
		2602
		2603	Note that $check will be called with a potentially non-loaded map, so if
		2604	it needs a loaded map it has to call C<< ->load >>.
2483		2605
2484	=cut	2606	=cut
2485		2607
2486	our $GOTOGEN;	2608	our $GOTOGEN;
2487		2609
…		…
2566	}	2688	}
2567		2689
2568	sub prepare_random_map {	2690	sub prepare_random_map {
2569	my ($exit) = @_;	2691	my ($exit) = @_;
2570		2692
2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
2572
2573	# all this does is basically replace the /! path by	2693	# all this does is basically replace the /! path by
2574	# a new random map path (?random/...) with a seed	2694	# a new random map path (?random/...) with a seed
2575	# that depends on the exit object	2695	# that depends on the exit object
2576		2696
2577	my $rmp = parse_random_map_params $exit->msg;	2697	my $rmp = parse_random_map_params $exit->msg;
…		…
2579	if ($exit->map) {	2699	if ($exit->map) {
2580	$rmp->{region} = $exit->region->name;	2700	$rmp->{region} = $exit->region->name;
2581	$rmp->{origin_map} = $exit->map->path;	2701	$rmp->{origin_map} = $exit->map->path;
2582	$rmp->{origin_x} = $exit->x;	2702	$rmp->{origin_x} = $exit->x;
2583	$rmp->{origin_y} = $exit->y;	2703	$rmp->{origin_y} = $exit->y;
		2704
		2705	$exit->map->touch;
2584	}	2706	}
2585		2707
2586	$rmp->{random_seed} ||= $exit->random_seed;	2708	$rmp->{random_seed} ||= $exit->random_seed;
2587		2709
2588	my $data = cf::to_json $rmp;	2710	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589	my $md5 = Digest::MD5::md5_hex $data;	2711	my $md5 = Digest::MD5::md5_hex $data;
2590	my $meta = "$RANDOMDIR/$md5.meta";	2712	my $meta = "$RANDOMDIR/$md5.meta";
2591		2713
2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2714	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593	aio_write $fh, 0, (length $data), $data, 0;	2715	aio_write $fh, 0, (length $data), $data, 0;
2594	undef $fh;	2716	undef $fh;
2595	aio_rename "$meta~", $meta;	2717	aio_rename "$meta~", $meta;
2596		2718
		2719	my $slaying = "?random/$md5";
		2720
		2721	if ($exit->valid) {
2597	$exit->slaying ("?random/$md5");	2722	$exit->slaying ("?random/$md5");
2598	$exit->msg (undef);	2723	$exit->msg (undef);
		2724	}
2599	}	2725	}
2600	}	2726	}
2601		2727
2602	sub cf::object::player::enter_exit {	2728	sub cf::object::player::enter_exit {
2603	my ($self, $exit) = @_;	2729	my ($self, $exit) = @_;
2604		2730
2605	return unless $self->type == cf::PLAYER;	2731	return unless $self->type == cf::PLAYER;
2606		2732
2607	if ($exit->slaying eq "/!") {
2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
2609	# the problem is that $exit might not survive long enough
2610	# so it needs to be done right now, right here
2611	cf::sync_job { prepare_random_map $exit };
2612	}
2613
2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2615	my $hp = $exit->stats->hp;
2616	my $sp = $exit->stats->sp;
2617
2618	$self->enter_link;	2733	$self->enter_link;
2619		2734
2620	# if exit is damned, update players death & WoR home-position
2621	$self->contr->savebed ($slaying, $hp, $sp)
2622	if $exit->flag (FLAG_DAMNED);
2623
2624	(async {	2735	(async {
2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2736	$Coro::current->{desc} = "enter_exit";
2626		2737
2627	$self->deactivate_recursive; # just to be sure
2628	unless (eval {	2738	unless (eval {
		2739	$self->deactivate_recursive; # just to be sure
		2740
		2741	# random map handling
		2742	{
		2743	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2744
		2745	prepare_random_map $exit
		2746	if $exit->slaying eq "/!";
		2747	}
		2748
		2749	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2750	my $x = $exit->stats->hp;
		2751	my $y = $exit->stats->sp;
		2752
2629	$self->goto ($slaying, $hp, $sp);	2753	$self->goto ($map, $x, $y);
2630		2754
		2755	# if exit is damned, update players death & WoR home-position
		2756	$self->contr->savebed ($map, $x, $y)
		2757	if $exit->flag (cf::FLAG_DAMNED);
		2758
2631	1;	2759	1
2632	}) {	2760	}) {
2633	$self->message ("Something went wrong deep within the crossfire server. "	2761	$self->message ("Something went wrong deep within the deliantra server. "
2634	. "I'll try to bring you back to the map you were before. "	2762	. "I'll try to bring you back to the map you were before. "
2635	. "Please report this to the dungeon master!",	2763	. "Please report this to the dungeon master!",
2636	cf::NDI_UNIQUE | cf::NDI_RED);	2764	cf::NDI_UNIQUE | cf::NDI_RED);
2637		2765
2638	warn "ERROR in enter_exit: $@";	2766	warn "ERROR in enter_exit: $@";
…		…
2666	the message, with C<log> being the default. If C<$color> is negative, suppress	2794	the message, with C<log> being the default. If C<$color> is negative, suppress
2667	the message unless the client supports the msg packet.	2795	the message unless the client supports the msg packet.
2668		2796
2669	=cut	2797	=cut
2670		2798
		2799	# non-persistent channels (usually the info channel)
2671	our %CHANNEL = (	2800	our %CHANNEL = (
		2801	"c/motd" => {
		2802	id => "infobox",
		2803	title => "MOTD",
		2804	reply => undef,
		2805	tooltip => "The message of the day",
		2806	},
2672	"c/identify" => {	2807	"c/identify" => {
2673	id => "infobox",	2808	id => "infobox",
2674	title => "Identify",	2809	title => "Identify",
2675	reply => undef,	2810	reply => undef,
2676	tooltip => "Items recently identified",	2811	tooltip => "Items recently identified",
…		…
2679	id => "infobox",	2814	id => "infobox",
2680	title => "Examine",	2815	title => "Examine",
2681	reply => undef,	2816	reply => undef,
2682	tooltip => "Signs and other items you examined",	2817	tooltip => "Signs and other items you examined",
2683	},	2818	},
		2819	"c/shopinfo" => {
		2820	id => "infobox",
		2821	title => "Shop Info",
		2822	reply => undef,
		2823	tooltip => "What your bargaining skill tells you about the shop",
		2824	},
		2825	"c/book" => {
		2826	id => "infobox",
		2827	title => "Book",
		2828	reply => undef,
		2829	tooltip => "The contents of a note or book",
		2830	},
2684	"c/lookat" => {	2831	"c/lookat" => {
2685	id => "infobox",	2832	id => "infobox",
2686	title => "Look",	2833	title => "Look",
2687	reply => undef,	2834	reply => undef,
2688	tooltip => "What you saw there",	2835	tooltip => "What you saw there",
2689	},	2836	},
		2837	"c/who" => {
		2838	id => "infobox",
		2839	title => "Players",
		2840	reply => undef,
		2841	tooltip => "Shows players who are currently online",
		2842	},
		2843	"c/body" => {
		2844	id => "infobox",
		2845	title => "Body Parts",
		2846	reply => undef,
		2847	tooltip => "Shows which body parts you posess and are available",
		2848	},
		2849	"c/statistics" => {
		2850	id => "infobox",
		2851	title => "Statistics",
		2852	reply => undef,
		2853	tooltip => "Shows your primary statistics",
		2854	},
		2855	"c/skills" => {
		2856	id => "infobox",
		2857	title => "Skills",
		2858	reply => undef,
		2859	tooltip => "Shows your experience per skill and item power",
		2860	},
		2861	"c/shopitems" => {
		2862	id => "infobox",
		2863	title => "Shop Items",
		2864	reply => undef,
		2865	tooltip => "Shows the items currently for sale in this shop",
		2866	},
		2867	"c/resistances" => {
		2868	id => "infobox",
		2869	title => "Resistances",
		2870	reply => undef,
		2871	tooltip => "Shows your resistances",
		2872	},
		2873	"c/pets" => {
		2874	id => "infobox",
		2875	title => "Pets",
		2876	reply => undef,
		2877	tooltip => "Shows information abotu your pets/a specific pet",
		2878	},
		2879	"c/perceiveself" => {
		2880	id => "infobox",
		2881	title => "Perceive Self",
		2882	reply => undef,
		2883	tooltip => "You gained detailed knowledge about yourself",
		2884	},
		2885	"c/uptime" => {
		2886	id => "infobox",
		2887	title => "Uptime",
		2888	reply => undef,
		2889	tooltip => "How long the server has been running since last restart",
		2890	},
		2891	"c/mapinfo" => {
		2892	id => "infobox",
		2893	title => "Map Info",
		2894	reply => undef,
		2895	tooltip => "Information related to the maps",
		2896	},
		2897	"c/party" => {
		2898	id => "party",
		2899	title => "Party",
		2900	reply => "gsay ",
		2901	tooltip => "Messages and chat related to your party",
		2902	},
		2903	"c/death" => {
		2904	id => "death",
		2905	title => "Death",
		2906	reply => undef,
		2907	tooltip => "Reason for and more info about your most recent death",
		2908	},
		2909	"c/say" => $SAY_CHANNEL,
		2910	"c/chat" => $CHAT_CHANNEL,
2690	);	2911	);
2691		2912
2692	sub cf::client::send_msg {	2913	sub cf::client::send_msg {
2693	my ($self, $channel, $msg, $color, @extra) = @_;	2914	my ($self, $channel, $msg, $color, @extra) = @_;
2694		2915
2695	$msg = $self->pl->expand_cfpod ($msg);	2916	$msg = $self->pl->expand_cfpod ($msg)
		2917	unless $color & cf::NDI_VERBATIM;
2696		2918
2697	$color &= cf::NDI_CLIENT_MASK; # just in case...	2919	$color &= cf::NDI_CLIENT_MASK; # just in case...
2698		2920
2699	# check predefined channels, for the benefit of C	2921	# check predefined channels, for the benefit of C
2700	if ($CHANNEL{$channel}) {	2922	if ($CHANNEL{$channel}) {
2701	$channel = $CHANNEL{$channel};	2923	$channel = $CHANNEL{$channel};
2702		2924
2703	$self->ext_msg (channel_info => $channel)	2925	$self->ext_msg (channel_info => $channel);
2704	if $self->can_msg;
2705
2706	$channel = $channel->{id};	2926	$channel = $channel->{id};
2707		2927
2708	} elsif (ref $channel) {	2928	} elsif (ref $channel) {
2709	# send meta info to client, if not yet sent	2929	# send meta info to client, if not yet sent
2710	unless (exists $self->{channel}{$channel->{id}}) {	2930	unless (exists $self->{channel}{$channel->{id}}) {
2711	$self->{channel}{$channel->{id}} = $channel;	2931	$self->{channel}{$channel->{id}} = $channel;
2712	$self->ext_msg (channel_info => $channel)	2932	$self->ext_msg (channel_info => $channel);
2713	if $self->can_msg;
2714	}	2933	}
2715		2934
2716	$channel = $channel->{id};	2935	$channel = $channel->{id};
2717	}	2936	}
2718		2937
2719	return unless @extra || length $msg;	2938	return unless @extra || length $msg;
2720		2939
2721	if ($self->can_msg) {
2722	# default colour, mask it out	2940	# default colour, mask it out
2723	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2941	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2724	if $color & cf::NDI_DEF;	2942	if $color & cf::NDI_DEF;
2725		2943
2726	$self->send_packet ("msg " . $self->{json_coder}->encode (	2944	my $pkt = "msg "
		2945	. $self->{json_coder}->encode (
2727	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2946	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2728	} else {	2947	);
2729	if ($color >= 0) {
2730	# replace some tags by gcfclient-compatible ones
2731	for ($msg) {
2732	1 while
2733	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2734	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2735	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2736	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2737	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2738	}
2739		2948
2740	$color &= cf::NDI_COLOR_MASK;	2949	# try lzf for large packets
		2950	$pkt = "lzf " . Compress::LZF::compress $pkt
		2951	if 1024 <= length $pkt and $self->{can_lzf};
2741		2952
2742	utf8::encode $msg;	2953	# split very large packets
2743		2954	if (8192 < length $pkt and $self->{can_lzf}) {
2744	if (0 && $msg =~ /\[/) {	2955	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2745	# COMMAND/INFO	2956	$pkt = "frag";
2746	$self->send_packet ("drawextinfo $color 10 8 $msg")
2747	} else {
2748	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2749	$self->send_packet ("drawinfo $color $msg")
2750	}
2751	}
2752	}	2957	}
		2958
		2959	$self->send_packet ($pkt);
2753	}	2960	}
2754		2961
2755	=item $client->ext_msg ($type, @msg)	2962	=item $client->ext_msg ($type, @msg)
2756		2963
2757	Sends an ext event to the client.	2964	Sends an ext event to the client.
…		…
2931		3138
2932	The following functions and methods are available within a safe environment:	3139	The following functions and methods are available within a safe environment:
2933		3140
2934	cf::object	3141	cf::object
2935	contr pay_amount pay_player map x y force_find force_add destroy	3142	contr pay_amount pay_player map x y force_find force_add destroy
2936	insert remove name archname title slaying race decrease_ob_nr	3143	insert remove name archname title slaying race decrease split
		3144	value
2937		3145
2938	cf::object::player	3146	cf::object::player
2939	player	3147	player
2940		3148
2941	cf::player	3149	cf::player
…		…
2946		3154
2947	=cut	3155	=cut
2948		3156
2949	for (	3157	for (
2950	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3158	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2951	insert remove inv name archname title slaying race	3159	insert remove inv nrof name archname title slaying race
2952	decrease_ob_nr destroy)],	3160	decrease split destroy change_exp value msg lore send_msg)],
2953	["cf::object::player" => qw(player)],	3161	["cf::object::player" => qw(player)],
2954	["cf::player" => qw(peaceful)],	3162	["cf::player" => qw(peaceful send_msg)],
2955	["cf::map" => qw(trigger)],	3163	["cf::map" => qw(trigger)],
2956	) {	3164	) {
2957	no strict 'refs';	3165	no strict 'refs';
2958	my ($pkg, @funs) = @$_;	3166	my ($pkg, @funs) = @$_;
2959	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3167	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2976	my ($code, %vars) = @_;	3184	my ($code, %vars) = @_;
2977		3185
2978	my $qcode = $code;	3186	my $qcode = $code;
2979	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3187	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2980	$qcode =~ s/\n/\\n/g;	3188	$qcode =~ s/\n/\\n/g;
		3189
		3190	%vars = (_dummy => 0) unless %vars;
2981		3191
2982	local $_;	3192	local $_;
2983	local @safe::cf::_safe_eval_args = values %vars;	3193	local @safe::cf::_safe_eval_args = values %vars;
2984		3194
2985	my $eval =	3195	my $eval =
…		…
3062	{	3272	{
3063	my $faces = $facedata->{faceinfo};	3273	my $faces = $facedata->{faceinfo};
3064		3274
3065	while (my ($face, $info) = each %$faces) {	3275	while (my ($face, $info) = each %$faces) {
3066	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3276	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3277
3067	cf::face::set_visibility $idx, $info->{visibility};	3278	cf::face::set_visibility $idx, $info->{visibility};
3068	cf::face::set_magicmap $idx, $info->{magicmap};	3279	cf::face::set_magicmap $idx, $info->{magicmap};
3069	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3280	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3070	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3281	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3071		3282
3072	cf::cede_to_tick;	3283	cf::cede_to_tick;
3073	}	3284	}
3074		3285
3075	while (my ($face, $info) = each %$faces) {	3286	while (my ($face, $info) = each %$faces) {
3076	next unless $info->{smooth};	3287	next unless $info->{smooth};
		3288
3077	my $idx = cf::face::find $face	3289	my $idx = cf::face::find $face
3078	or next;	3290	or next;
		3291
3079	if (my $smooth = cf::face::find $info->{smooth}) {	3292	if (my $smooth = cf::face::find $info->{smooth}) {
3080	cf::face::set_smooth $idx, $smooth;	3293	cf::face::set_smooth $idx, $smooth;
3081	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3294	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3082	} else {	3295	} else {
3083	warn "smooth face '$info->{smooth}' not found for face '$face'";	3296	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3101	{	3314	{
3102	# TODO: for gcfclient pleasure, we should give resources	3315	# TODO: for gcfclient pleasure, we should give resources
3103	# that gcfclient doesn't grok a >10000 face index.	3316	# that gcfclient doesn't grok a >10000 face index.
3104	my $res = $facedata->{resource};	3317	my $res = $facedata->{resource};
3105		3318
3106	my $soundconf = delete $res->{"res/sound.conf"};
3107
3108	while (my ($name, $info) = each %$res) {	3319	while (my ($name, $info) = each %$res) {
		3320	if (defined $info->{type}) {
3109	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3321	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3110	my $data;	3322	my $data;
3111		3323
3112	if ($info->{type} & 1) {	3324	if ($info->{type} & 1) {
3113	# prepend meta info	3325	# prepend meta info
3114		3326
3115	my $meta = $enc->encode ({	3327	my $meta = $enc->encode ({
3116	name => $name,	3328	name => $name,
3117	%{ $info->{meta} || {} },	3329	%{ $info->{meta} || {} },
3118	});	3330	});
3119		3331
3120	$data = pack "(w/a*)*", $meta, $info->{data};	3332	$data = pack "(w/a*)*", $meta, $info->{data};
		3333	} else {
		3334	$data = $info->{data};
		3335	}
		3336
		3337	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3338	cf::face::set_type $idx, $info->{type};
3121	} else {	3339	} else {
3122	$data = $info->{data};	3340	$RESOURCE{$name} = $info;
3123	}	3341	}
3124		3342
3125	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3126	cf::face::set_type $idx, $info->{type};
3127
3128	cf::cede_to_tick;	3343	cf::cede_to_tick;
3129	}	3344	}
3130
3131	if ($soundconf) {
3132	$soundconf = $enc->decode (delete $soundconf->{data});
3133
3134	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3135	my $sound = $soundconf->{compat}[$_]
3136	or next;
3137
3138	my $face = cf::face::find "sound/$sound->[1]";
3139	cf::sound::set $sound->[0] => $face;
3140	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3141	}
3142
3143	while (my ($k, $v) = each %{$soundconf->{event}}) {
3144	my $face = cf::face::find "sound/$v";
3145	cf::sound::set $k => $face;
3146	}
3147	}
3148	}	3345	}
		3346
		3347	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3149		3348
3150	1	3349	1
3151	}	3350	}
		3351
		3352	cf::global->attach (on_resource_update => sub {
		3353	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3354	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3355
		3356	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3357	my $sound = $soundconf->{compat}[$_]
		3358	or next;
		3359
		3360	my $face = cf::face::find "sound/$sound->[1]";
		3361	cf::sound::set $sound->[0] => $face;
		3362	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3363	}
		3364
		3365	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3366	my $face = cf::face::find "sound/$v";
		3367	cf::sound::set $k => $face;
		3368	}
		3369	}
		3370	});
3152		3371
3153	register_exticmd fx_want => sub {	3372	register_exticmd fx_want => sub {
3154	my ($ns, $want) = @_;	3373	my ($ns, $want) = @_;
3155		3374
3156	while (my ($k, $v) = each %$want) {	3375	while (my ($k, $v) = each %$want) {
3157	$ns->fx_want ($k, $v);	3376	$ns->fx_want ($k, $v);
3158	}	3377	}
3159	};	3378	};
		3379
		3380	sub load_resource_file($) {
		3381	my $guard = lock_acquire "load_resource_file";
		3382
		3383	my $status = load_resource_file_ $_[0];
		3384	get_slot 0.1, 100;
		3385	cf::arch::commit_load;
		3386
		3387	$status
		3388	}
3160		3389
3161	sub reload_regions {	3390	sub reload_regions {
3162	# HACK to clear player env face cache, we need some signal framework	3391	# HACK to clear player env face cache, we need some signal framework
3163	# for this (global event?)	3392	# for this (global event?)
3164	%ext::player_env::MUSIC_FACE_CACHE = ();	3393	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3178	}	3407	}
3179		3408
3180	sub reload_archetypes {	3409	sub reload_archetypes {
3181	load_resource_file "$DATADIR/archetypes"	3410	load_resource_file "$DATADIR/archetypes"
3182	or die "unable to load archetypes\n";	3411	or die "unable to load archetypes\n";
3183	#d# NEED to laod twice to resolve forward references
3184	# this really needs to be done in an extra post-pass
3185	# (which needs to be synchronous, so solve it differently)
3186	load_resource_file "$DATADIR/archetypes"
3187	or die "unable to load archetypes\n";
3188	}	3412	}
3189		3413
3190	sub reload_treasures {	3414	sub reload_treasures {
3191	load_resource_file "$DATADIR/treasures"	3415	load_resource_file "$DATADIR/treasures"
3192	or die "unable to load treasurelists\n";	3416	or die "unable to load treasurelists\n";
3193	}	3417	}
3194		3418
3195	sub reload_resources {	3419	sub reload_resources {
3196	warn "reloading resource files...\n";	3420	warn "reloading resource files...\n";
3197		3421
		3422	reload_facedata;
		3423	reload_archetypes;
3198	reload_regions;	3424	reload_regions;
3199	reload_facedata;
3200	#reload_archetypes;#d#
3201	reload_archetypes;
3202	reload_treasures;	3425	reload_treasures;
3203		3426
3204	warn "finished reloading resource files\n";	3427	warn "finished reloading resource files\n";
3205	}	3428	}
3206		3429
3207	sub init {
3208	reload_resources;
3209	}
3210
3211	sub reload_config {	3430	sub reload_config {
		3431	warn "reloading config file...\n";
		3432
3212	open my $fh, "<:utf8", "$CONFDIR/config"	3433	open my $fh, "<:utf8", "$CONFDIR/config"
3213	or return;	3434	or return;
3214		3435
3215	local $/;	3436	local $/;
3216	*CFG = YAML::Syck::Load <$fh>;	3437	*CFG = YAML::XS::Load scalar <$fh>;
3217		3438
3218	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3439	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3219		3440
3220	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3441	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3221	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3442	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3225	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3446	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3226	and die "WARNING: m(un)lockall failed: $!\n";	3447	and die "WARNING: m(un)lockall failed: $!\n";
3227	};	3448	};
3228	warn $@ if $@;	3449	warn $@ if $@;
3229	}	3450	}
		3451
		3452	warn "finished reloading resource files\n";
		3453	}
		3454
		3455	sub pidfile() {
		3456	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3457	or die "$PIDFILE: $!";
		3458	flock $fh, &Fcntl::LOCK_EX
		3459	or die "$PIDFILE: flock: $!";
		3460	$fh
		3461	}
		3462
		3463	# make sure only one server instance is running at any one time
		3464	sub atomic {
		3465	my $fh = pidfile;
		3466
		3467	my $pid = <$fh>;
		3468	kill 9, $pid if $pid > 0;
		3469
		3470	seek $fh, 0, 0;
		3471	print $fh $$;
		3472	}
		3473
		3474	sub main_loop {
		3475	warn "EV::loop starting\n";
		3476	if (1) {
		3477	EV::loop;
		3478	}
		3479	warn "EV::loop returned\n";
		3480	goto &main_loop unless $REALLY_UNLOOP;
3230	}	3481	}
3231		3482
3232	sub main {	3483	sub main {
		3484	cf::init_globals; # initialise logging
		3485
		3486	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3487	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3488	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3489	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3490
		3491	cf::init_experience;
		3492	cf::init_anim;
		3493	cf::init_attackmess;
		3494	cf::init_dynamic;
		3495
		3496	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3497
3233	# we must not ever block the main coroutine	3498	# we must not ever block the main coroutine
3234	local $Coro::idle = sub {	3499	local $Coro::idle = sub {
3235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3500	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3236	(async {	3501	(async {
3237	$Coro::current->{desc} = "IDLE BUG HANDLER";	3502	$Coro::current->{desc} = "IDLE BUG HANDLER";
3238	Event::one_event;	3503	EV::loop EV::LOOP_ONESHOT;
3239	})->prio (Coro::PRIO_MAX);	3504	})->prio (Coro::PRIO_MAX);
3240	};	3505	};
3241		3506
		3507	evthread_start IO::AIO::poll_fileno;
		3508
		3509	cf::sync_job {
		3510	reload_resources;
3242	reload_config;	3511	reload_config;
3243	db_init;	3512	db_init;
		3513
		3514	cf::load_settings;
		3515	cf::load_materials;
		3516	cf::init_uuid;
		3517	cf::init_signals;
		3518	cf::init_commands;
		3519	cf::init_skills;
		3520
		3521	cf::init_beforeplay;
		3522
		3523	atomic;
		3524
3244	load_extensions;	3525	load_extensions;
3245		3526
3246	$TICK_WATCHER->start;	3527	utime time, time, $RUNTIMEFILE;
3247	Event::loop;	3528
		3529	# no (long-running) fork's whatsoever before this point(!)
		3530	use POSIX ();
		3531	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3532
		3533	(pop @POST_INIT)->(0) while @POST_INIT;
		3534	};
		3535
		3536	main_loop;
3248	}	3537	}
3249		3538
3250	#############################################################################	3539	#############################################################################
3251	# initialisation and cleanup	3540	# initialisation and cleanup
3252		3541
3253	# install some emergency cleanup handlers	3542	# install some emergency cleanup handlers
3254	BEGIN {	3543	BEGIN {
		3544	our %SIGWATCHER = ();
3255	for my $signal (qw(INT HUP TERM)) {	3545	for my $signal (qw(INT HUP TERM)) {
3256	Event->signal (	3546	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3257	reentrant => 0,
3258	data => WF_AUTOCANCEL,
3259	signal => $signal,
3260	prio => 0,
3261	cb => sub {
3262	cf::cleanup "SIG$signal";	3547	cf::cleanup "SIG$signal";
3263	},
3264	);	3548	};
3265	}	3549	}
3266	}	3550	}
3267		3551
3268	sub write_runtime {	3552	sub write_runtime_sync {
3269	my $runtime = "$LOCALDIR/runtime";
3270
3271	# first touch the runtime file to show we are still running:	3553	# first touch the runtime file to show we are still running:
3272	# the fsync below can take a very very long time.	3554	# the fsync below can take a very very long time.
3273		3555
3274	IO::AIO::aio_utime $runtime, undef, undef;	3556	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3275		3557
3276	my $guard = cf::lock_acquire "write_runtime";	3558	my $guard = cf::lock_acquire "write_runtime";
3277		3559
3278	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3560	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3279	or return;	3561	or return;
3280		3562
3281	my $value = $cf::RUNTIME + 90 + 10;	3563	my $value = $cf::RUNTIME + 90 + 10;
3282	# 10 is the runtime save interval, for a monotonic clock	3564	# 10 is the runtime save interval, for a monotonic clock
3283	# 60 allows for the watchdog to kill the server.	3565	# 60 allows for the watchdog to kill the server.
…		…
3293	aio_utime $fh, undef, undef;	3575	aio_utime $fh, undef, undef;
3294		3576
3295	close $fh	3577	close $fh
3296	or return;	3578	or return;
3297		3579
3298	aio_rename "$runtime~", $runtime	3580	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3299	and return;	3581	and return;
3300		3582
3301	warn "runtime file written.\n";	3583	warn "runtime file written.\n";
3302		3584
3303	1	3585	1
		3586	}
		3587
		3588	our $uuid_lock;
		3589	our $uuid_skip;
		3590
		3591	sub write_uuid_sync($) {
		3592	$uuid_skip ||= $_[0];
		3593
		3594	return if $uuid_lock;
		3595	local $uuid_lock = 1;
		3596
		3597	my $uuid = "$LOCALDIR/uuid";
		3598
		3599	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3600	or return;
		3601
		3602	my $value = uuid_seq uuid_cur;
		3603
		3604	unless ($value) {
		3605	warn "cowardly refusing to write zero uuid value!\n";
		3606	return;
		3607	}
		3608
		3609	my $value = uuid_str $value + $uuid_skip;
		3610	$uuid_skip = 0;
		3611
		3612	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3613	and return;
		3614
		3615	# always fsync - this file is important
		3616	aio_fsync $fh
		3617	and return;
		3618
		3619	close $fh
		3620	or return;
		3621
		3622	aio_rename "$uuid~", $uuid
		3623	and return;
		3624
		3625	warn "uuid file written ($value).\n";
		3626
		3627	1
		3628
		3629	}
		3630
		3631	sub write_uuid($$) {
		3632	my ($skip, $sync) = @_;
		3633
		3634	$sync ? write_uuid_sync $skip
		3635	: async { write_uuid_sync $skip };
3304	}	3636	}
3305		3637
3306	sub emergency_save() {	3638	sub emergency_save() {
3307	my $freeze_guard = cf::freeze_mainloop;	3639	my $freeze_guard = cf::freeze_mainloop;
3308		3640
3309	warn "enter emergency perl save\n";	3641	warn "emergency_perl_save: enter\n";
3310		3642
3311	cf::sync_job {	3643	cf::sync_job {
		3644	# this is a trade-off: we want to be very quick here, so
		3645	# save all maps without fsync, and later call a global sync
		3646	# (which in turn might be very very slow)
		3647	local $USE_FSYNC = 0;
		3648
3312	# use a peculiar iteration method to avoid tripping on perl	3649	# use a peculiar iteration method to avoid tripping on perl
3313	# refcount bugs in for. also avoids problems with players	3650	# refcount bugs in for. also avoids problems with players
3314	# and maps saved/destroyed asynchronously.	3651	# and maps saved/destroyed asynchronously.
3315	warn "begin emergency player save\n";	3652	warn "emergency_perl_save: begin player save\n";
3316	for my $login (keys %cf::PLAYER) {	3653	for my $login (keys %cf::PLAYER) {
3317	my $pl = $cf::PLAYER{$login} or next;	3654	my $pl = $cf::PLAYER{$login} or next;
3318	$pl->valid or next;	3655	$pl->valid or next;
3319	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3656	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3320	$pl->save;	3657	$pl->save;
3321	}	3658	}
3322	warn "end emergency player save\n";	3659	warn "emergency_perl_save: end player save\n";
3323		3660
3324	warn "begin emergency map save\n";	3661	warn "emergency_perl_save: begin map save\n";
3325	for my $path (keys %cf::MAP) {	3662	for my $path (keys %cf::MAP) {
3326	my $map = $cf::MAP{$path} or next;	3663	my $map = $cf::MAP{$path} or next;
3327	$map->valid or next;	3664	$map->valid or next;
3328	$map->save;	3665	$map->save;
3329	}	3666	}
3330	warn "end emergency map save\n";	3667	warn "emergency_perl_save: end map save\n";
3331		3668
3332	warn "begin emergency database checkpoint\n";	3669	warn "emergency_perl_save: begin database checkpoint\n";
3333	BDB::db_env_txn_checkpoint $DB_ENV;	3670	BDB::db_env_txn_checkpoint $DB_ENV;
3334	warn "end emergency database checkpoint\n";	3671	warn "emergency_perl_save: end database checkpoint\n";
		3672
		3673	warn "emergency_perl_save: begin write uuid\n";
		3674	write_uuid_sync 1;
		3675	warn "emergency_perl_save: end write uuid\n";
3335	};	3676	};
3336		3677
		3678	warn "emergency_perl_save: starting sync()\n";
		3679	IO::AIO::aio_sync sub {
		3680	warn "emergency_perl_save: finished sync()\n";
		3681	};
		3682
3337	warn "leave emergency perl save\n";	3683	warn "emergency_perl_save: leave\n";
3338	}	3684	}
3339		3685
3340	sub post_cleanup {	3686	sub post_cleanup {
3341	my ($make_core) = @_;	3687	my ($make_core) = @_;
3342		3688
3343	warn Carp::longmess "post_cleanup backtrace"	3689	warn Carp::longmess "post_cleanup backtrace"
3344	if $make_core;	3690	if $make_core;
		3691
		3692	my $fh = pidfile;
		3693	unlink $PIDFILE if <$fh> == $$;
		3694	}
		3695
		3696	# a safer delete_package, copied from Symbol
		3697	sub clear_package($) {
		3698	my $pkg = shift;
		3699
		3700	# expand to full symbol table name if needed
		3701	unless ($pkg =~ /^main::.*::$/) {
		3702	$pkg = "main$pkg" if $pkg =~ /^::/;
		3703	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3704	$pkg .= '::' unless $pkg =~ /::$/;
		3705	}
		3706
		3707	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3708	my $stem_symtab = *{$stem}{HASH};
		3709
		3710	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3711	or return;
		3712
		3713	# clear all symbols
		3714	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3715	for my $name (keys %$leaf_symtab) {
		3716	_gv_clear *{"$pkg$name"};
		3717	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3718	}
		3719	warn "cleared package $pkg\n";#d#
3345	}	3720	}
3346		3721
3347	sub do_reload_perl() {	3722	sub do_reload_perl() {
3348	# can/must only be called in main	3723	# can/must only be called in main
3349	if ($Coro::current != $Coro::main) {	3724	if ($Coro::current != $Coro::main) {
3350	warn "can only reload from main coroutine";	3725	warn "can only reload from main coroutine";
3351	return;	3726	return;
3352	}	3727	}
3353		3728
		3729	return if $RELOAD++;
		3730
		3731	my $t1 = EV::time;
		3732
		3733	while ($RELOAD) {
3354	warn "reloading...";	3734	warn "reloading...";
3355		3735
3356	warn "entering sync_job";	3736	warn "entering sync_job";
3357		3737
3358	cf::sync_job {	3738	cf::sync_job {
3359	cf::write_runtime; # external watchdog should not bark	3739	cf::write_runtime_sync; # external watchdog should not bark
3360	cf::emergency_save;	3740	cf::emergency_save;
3361	cf::write_runtime; # external watchdog should not bark	3741	cf::write_runtime_sync; # external watchdog should not bark
3362		3742
3363	warn "syncing database to disk";	3743	warn "syncing database to disk";
3364	BDB::db_env_txn_checkpoint $DB_ENV;	3744	BDB::db_env_txn_checkpoint $DB_ENV;
3365		3745
3366	# if anything goes wrong in here, we should simply crash as we already saved	3746	# if anything goes wrong in here, we should simply crash as we already saved
3367		3747
3368	warn "cancelling all WF_AUTOCANCEL watchers";
3369	for (Event::all_watchers) {
3370	$_->cancel if $_->data & WF_AUTOCANCEL;
3371	}
3372
3373	warn "flushing outstanding aio requests";	3748	warn "flushing outstanding aio requests";
3374	for (;;) {
3375	BDB::flush;
3376	IO::AIO::flush;
3377	Coro::cede_notself;
3378	last unless IO::AIO::nreqs || BDB::nreqs;	3749	while (IO::AIO::nreqs || BDB::nreqs) {
3379	warn "iterate...";	3750	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3380	}
3381
3382	++$RELOAD;
3383
3384	warn "cancelling all extension coros";
3385	$_->cancel for values %EXT_CORO;
3386	%EXT_CORO = ();
3387
3388	warn "removing commands";
3389	%COMMAND = ();
3390
3391	warn "removing ext/exti commands";
3392	%EXTCMD = ();
3393	%EXTICMD = ();
3394
3395	warn "unloading/nuking all extensions";
3396	for my $pkg (@EXTS) {
3397	warn "... unloading $pkg";
3398
3399	if (my $cb = $pkg->can ("unload")) {
3400	eval {
3401	$cb->($pkg);
3402	1
3403	} or warn "$pkg unloaded, but with errors: $@";
3404	}	3751	}
3405		3752
3406	warn "... nuking $pkg";	3753	warn "cancelling all extension coros";
3407	Symbol::delete_package $pkg;	3754	$_->cancel for values %EXT_CORO;
3408	}	3755	%EXT_CORO = ();
3409		3756
3410	warn "unloading all perl modules loaded from $LIBDIR";	3757	warn "removing commands";
3411	while (my ($k, $v) = each %INC) {	3758	%COMMAND = ();
3412	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3413		3759
		3760	warn "removing ext/exti commands";
		3761	%EXTCMD = ();
		3762	%EXTICMD = ();
		3763
		3764	warn "unloading/nuking all extensions";
		3765	for my $pkg (@EXTS) {
3414	warn "... unloading $k";	3766	warn "... unloading $pkg";
3415	delete $INC{$k};
3416		3767
3417	$k =~ s/\.pm$//;
3418	$k =~ s/\//::/g;
3419
3420	if (my $cb = $k->can ("unload_module")) {	3768	if (my $cb = $pkg->can ("unload")) {
		3769	eval {
3421	$cb->();	3770	$cb->($pkg);
		3771	1
		3772	} or warn "$pkg unloaded, but with errors: $@";
		3773	}
		3774
		3775	warn "... clearing $pkg";
		3776	clear_package $pkg;
3422	}	3777	}
3423		3778
3424	Symbol::delete_package $k;	3779	warn "unloading all perl modules loaded from $LIBDIR";
		3780	while (my ($k, $v) = each %INC) {
		3781	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3782
		3783	warn "... unloading $k";
		3784	delete $INC{$k};
		3785
		3786	$k =~ s/\.pm$//;
		3787	$k =~ s/\//::/g;
		3788
		3789	if (my $cb = $k->can ("unload_module")) {
		3790	$cb->();
		3791	}
		3792
		3793	clear_package $k;
3425	}	3794	}
3426		3795
3427	warn "getting rid of safe::, as good as possible";	3796	warn "getting rid of safe::, as good as possible";
3428	Symbol::delete_package "safe::$_"	3797	clear_package "safe::$_"
3429	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3798	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3430		3799
3431	warn "unloading cf.pm \"a bit\"";	3800	warn "unloading cf.pm \"a bit\"";
3432	delete $INC{"cf.pm"};	3801	delete $INC{"cf.pm"};
3433	delete $INC{"cf/pod.pm"};	3802	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3434		3803
3435	# don't, removes xs symbols, too,	3804	# don't, removes xs symbols, too,
3436	# and global variables created in xs	3805	# and global variables created in xs
3437	#Symbol::delete_package __PACKAGE__;	3806	#clear_package __PACKAGE__;
3438		3807
3439	warn "unload completed, starting to reload now";	3808	warn "unload completed, starting to reload now";
3440		3809
3441	warn "reloading cf.pm";	3810	warn "reloading cf.pm";
3442	require cf;	3811	require cf;
3443	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3812	cf::_connect_to_perl_1;
3444		3813
3445	warn "loading config and database again";	3814	warn "loading config and database again";
3446	cf::reload_config;	3815	cf::reload_config;
3447		3816
3448	warn "loading extensions";	3817	warn "loading extensions";
3449	cf::load_extensions;	3818	cf::load_extensions;
3450		3819
		3820	if ($REATTACH_ON_RELOAD) {
3451	warn "reattaching attachments to objects/players";	3821	warn "reattaching attachments to objects/players";
3452	_global_reattach; # objects, sockets	3822	_global_reattach; # objects, sockets
3453	warn "reattaching attachments to maps";	3823	warn "reattaching attachments to maps";
3454	reattach $_ for values %MAP;	3824	reattach $_ for values %MAP;
3455	warn "reattaching attachments to players";	3825	warn "reattaching attachments to players";
3456	reattach $_ for values %PLAYER;	3826	reattach $_ for values %PLAYER;
		3827	}
3457		3828
		3829	warn "running post_init jobs";
		3830	(pop @POST_INIT)->(1) while @POST_INIT;
		3831
3458	warn "leaving sync_job";	3832	warn "leaving sync_job";
3459		3833
3460	1	3834	1
3461	} or do {	3835	} or do {
3462	warn $@;	3836	warn $@;
3463	warn "error while reloading, exiting.";	3837	cf::cleanup "error while reloading, exiting.";
3464	exit 1;
3465	};	3838	};
3466		3839
3467	warn "reloaded";	3840	warn "reloaded";
		3841	--$RELOAD;
		3842	}
		3843
		3844	$t1 = EV::time - $t1;
		3845	warn "reload completed in ${t1}s\n";
3468	};	3846	};
3469		3847
3470	our $RELOAD_WATCHER; # used only during reload	3848	our $RELOAD_WATCHER; # used only during reload
3471		3849
3472	sub reload_perl() {	3850	sub reload_perl() {
3473	# doing reload synchronously and two reloads happen back-to-back,	3851	# doing reload synchronously and two reloads happen back-to-back,
3474	# coro crashes during coro_state_free->destroy here.	3852	# coro crashes during coro_state_free->destroy here.
3475		3853
3476	$RELOAD_WATCHER ||= Event->timer (	3854	$RELOAD_WATCHER ||= cf::async {
3477	reentrant => 0,	3855	Coro::AIO::aio_wait cache_extensions;
3478	after => 0,	3856
3479	data => WF_AUTOCANCEL,	3857	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3480	cb => sub {
3481	do_reload_perl;	3858	do_reload_perl;
3482	undef $RELOAD_WATCHER;	3859	undef $RELOAD_WATCHER;
3483	},	3860	};
3484	);	3861	};
3485	}	3862	}
3486		3863
3487	register_command "reload" => sub {	3864	register_command "reload" => sub {
3488	my ($who, $arg) = @_;	3865	my ($who, $arg) = @_;
3489		3866
…		…
3502		3879
3503	our @WAIT_FOR_TICK;	3880	our @WAIT_FOR_TICK;
3504	our @WAIT_FOR_TICK_BEGIN;	3881	our @WAIT_FOR_TICK_BEGIN;
3505		3882
3506	sub wait_for_tick {	3883	sub wait_for_tick {
3507	return unless $TICK_WATCHER->is_active;
3508	return if $Coro::current == $Coro::main;	3884	return if tick_inhibit || $Coro::current == $Coro::main;
3509		3885
3510	my $signal = new Coro::Signal;	3886	my $signal = new Coro::Signal;
3511	push @WAIT_FOR_TICK, $signal;	3887	push @WAIT_FOR_TICK, $signal;
3512	$signal->wait;	3888	$signal->wait;
3513	}	3889	}
3514		3890
3515	sub wait_for_tick_begin {	3891	sub wait_for_tick_begin {
3516	return unless $TICK_WATCHER->is_active;
3517	return if $Coro::current == $Coro::main;	3892	return if tick_inhibit || $Coro::current == $Coro::main;
3518		3893
3519	my $signal = new Coro::Signal;	3894	my $signal = new Coro::Signal;
3520	push @WAIT_FOR_TICK_BEGIN, $signal;	3895	push @WAIT_FOR_TICK_BEGIN, $signal;
3521	$signal->wait;	3896	$signal->wait;
3522	}	3897	}
3523		3898
3524	$TICK_WATCHER = Event->timer (	3899	sub tick {
3525	reentrant => 0,
3526	parked => 1,
3527	prio => 0,
3528	at => $NEXT_TICK || $TICK,
3529	data => WF_AUTOCANCEL,
3530	cb => sub {
3531	if ($Coro::current != $Coro::main) {	3900	if ($Coro::current != $Coro::main) {
3532	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3901	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3533	unless ++$bug_warning > 10;	3902	unless ++$bug_warning > 10;
3534	return;	3903	return;
3535	}	3904	}
3536		3905
3537	$NOW = $tick_start = Event::time;
3538
3539	cf::server_tick; # one server iteration	3906	cf::server_tick; # one server iteration
3540		3907
3541	$RUNTIME += $TICK;
3542	$NEXT_TICK += $TICK;
3543
3544	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3908	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3545	$NEXT_RUNTIME_WRITE = $NOW + 10;	3909	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3546	Coro::async_pool {	3910	Coro::async_pool {
3547	$Coro::current->{desc} = "runtime saver";	3911	$Coro::current->{desc} = "runtime saver";
3548	write_runtime	3912	write_runtime_sync
3549	or warn "ERROR: unable to write runtime file: $!";	3913	or warn "ERROR: unable to write runtime file: $!";
3550	};
3551	}	3914	};
		3915	}
3552		3916
3553	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3917	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3554	$sig->send;	3918	$sig->send;
3555	}	3919	}
3556	while (my $sig = shift @WAIT_FOR_TICK) {	3920	while (my $sig = shift @WAIT_FOR_TICK) {
3557	$sig->send;	3921	$sig->send;
3558	}	3922	}
3559		3923
3560	$NOW = Event::time;	3924	$LOAD = ($NOW - $TICK_START) / $TICK;
3561
3562	# if we are delayed by four ticks or more, skip them all
3563	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3564
3565	$TICK_WATCHER->at ($NEXT_TICK);
3566	$TICK_WATCHER->start;
3567
3568	$LOAD = ($NOW - $tick_start) / $TICK;
3569	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3925	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3570		3926
3571	_post_tick;	3927	if (0) {
		3928	if ($NEXT_TICK) {
		3929	my $jitter = $TICK_START - $NEXT_TICK;
		3930	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3931	warn "jitter $JITTER\n";#d#
		3932	}
3572	},	3933	}
3573	);	3934	}
3574		3935
3575	{	3936	{
		3937	# configure BDB
		3938
3576	BDB::min_parallel 8;	3939	BDB::min_parallel 8;
3577	BDB::max_poll_time $TICK * 0.1;	3940	BDB::max_poll_reqs $TICK * 0.1;
3578	$BDB_POLL_WATCHER = Event->io (	3941	$AnyEvent::BDB::WATCHER->priority (1);
3579	reentrant => 0,
3580	fd => BDB::poll_fileno,
3581	poll => 'r',
3582	prio => 0,
3583	data => WF_AUTOCANCEL,
3584	cb => \&BDB::poll_cb,
3585	);
3586
3587	BDB::set_sync_prepare {
3588	my $status;
3589	my $current = $Coro::current;
3590	(
3591	sub {
3592	$status = $!;
3593	$current->ready; undef $current;
3594	},
3595	sub {
3596	Coro::schedule while defined $current;
3597	$! = $status;
3598	},
3599	)
3600	};
3601		3942
3602	unless ($DB_ENV) {	3943	unless ($DB_ENV) {
3603	$DB_ENV = BDB::db_env_create;	3944	$DB_ENV = BDB::db_env_create;
3604	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3945	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3605	| BDB::LOG_AUTOREMOVE, 1);	3946	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3947	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3606	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3948	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3607	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3949	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3608		3950
3609	cf::sync_job {	3951	cf::sync_job {
3610	eval {	3952	eval {
…		…
3620		3962
3621	cf::cleanup "db_env_open(db): $@" if $@;	3963	cf::cleanup "db_env_open(db): $@" if $@;
3622	};	3964	};
3623	}	3965	}
3624		3966
3625	$BDB_DEADLOCK_WATCHER = Event->timer (	3967	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3626	after => 3,
3627	interval => 1,
3628	hard => 1,
3629	prio => 0,
3630	data => WF_AUTOCANCEL,
3631	cb => sub {
3632	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3968	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3633	},
3634	);	3969	};
3635	$BDB_CHECKPOINT_WATCHER = Event->timer (	3970	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3636	after => 11,
3637	interval => 60,
3638	hard => 1,
3639	prio => 0,
3640	data => WF_AUTOCANCEL,
3641	cb => sub {
3642	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3971	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3643	},
3644	);	3972	};
3645	$BDB_TRICKLE_WATCHER = Event->timer (	3973	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3646	after => 5,
3647	interval => 10,
3648	hard => 1,
3649	prio => 0,
3650	data => WF_AUTOCANCEL,
3651	cb => sub {
3652	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3974	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3653	},
3654	);	3975	};
3655	}	3976	}
3656		3977
3657	{	3978	{
		3979	# configure IO::AIO
		3980
3658	IO::AIO::min_parallel 8;	3981	IO::AIO::min_parallel 8;
3659
3660	undef $Coro::AIO::WATCHER;
3661	IO::AIO::max_poll_time $TICK * 0.1;	3982	IO::AIO::max_poll_time $TICK * 0.1;
3662	$AIO_POLL_WATCHER = Event->io (	3983	undef $AnyEvent::AIO::WATCHER;
3663	reentrant => 0,
3664	data => WF_AUTOCANCEL,
3665	fd => IO::AIO::poll_fileno,
3666	poll => 'r',
3667	prio => 0,
3668	cb => \&IO::AIO::poll_cb,
3669	);
3670	}	3984	}
3671		3985
3672	my $_log_backtrace;	3986	my $_log_backtrace;
3673		3987
3674	sub _log_backtrace {	3988	sub _log_backtrace {
…		…
3677	$msg =~ s/\n//;	3991	$msg =~ s/\n//;
3678		3992
3679	# limit the # of concurrent backtraces	3993	# limit the # of concurrent backtraces
3680	if ($_log_backtrace < 2) {	3994	if ($_log_backtrace < 2) {
3681	++$_log_backtrace;	3995	++$_log_backtrace;
		3996	my $perl_bt = Carp::longmess $msg;
3682	async {	3997	async {
3683	$Coro::current->{desc} = "abt $msg";	3998	$Coro::current->{desc} = "abt $msg";
3684		3999
3685	my @bt = fork_call {	4000	my @bt = fork_call {
3686	@addr = map { sprintf "%x", $_ } @addr;	4001	@addr = map { sprintf "%x", $_ } @addr;
…		…
3697	}	4012	}
3698		4013
3699	@funcs	4014	@funcs
3700	};	4015	};
3701		4016
3702	LOG llevInfo, "[ABT] $msg\n";	4017	LOG llevInfo, "[ABT] $perl_bt\n";
		4018	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3703	LOG llevInfo, "[ABT] $_\n" for @bt;	4019	LOG llevInfo, "[ABT] $_\n" for @bt;
3704	--$_log_backtrace;	4020	--$_log_backtrace;
3705	};	4021	};
3706	} else {	4022	} else {
3707	LOG llevInfo, "[ABT] $msg\n";	4023	LOG llevInfo, "[ABT] $msg\n";
3708	LOG llevInfo, "[ABT] [suppressed]\n";	4024	LOG llevInfo, "[ABT] [suppressed]\n";
3709	}	4025	}
3710	}	4026	}
3711		4027
3712	# load additional modules	4028	# load additional modules
3713	use cf::pod;	4029	require "cf/$_.pm" for @EXTRA_MODULES;
		4030	cf::_connect_to_perl_2;
3714		4031
3715	END { cf::emergency_save }	4032	END { cf::emergency_save }
3716		4033
3717	1	4034	1
3718		4035

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