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Revision 1.384 by root, Fri Oct 12 18:17:16 2007 UTC vs.
Revision 1.479 by root, Thu Oct 8 05:04:27 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.51 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		76
43	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
44		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		79
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		81
52	our %COMMAND = ();	82	our %COMMAND = ();
53	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	86	our %EXTCMD = ();
57	our %EXTICMD = ();	87	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
60		90
61	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	92	our @EVENT;
		93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
63		95
64	our $CONFDIR = confdir;	96	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	97	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	98	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	99	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	100	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	101	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	105	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
75		111
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	112	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	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	114	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		116
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	117	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	118	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	120	our $DB_ENV;
89		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
		123
90	our %CFG;	124	our %CFG;
91		125
92	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
94		129
95	our (%PLAYER, %PLAYER_LOADING); # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
98		133
99	# used to convert map paths into valid unix filenames by replacing / by ∕	134	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		136
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
105		146
106	binmode STDOUT;	147	binmode STDOUT;
107	binmode STDERR;	148	binmode STDERR;
108		149
109	# read virtual server time, if available	150	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	152	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
114	}	155	}
		156
		157	eval "sub TICK() { $TICK } 1" or die;
115		158
116	mkdir $_	159	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		161
119	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
120		163
121	sub cf::map::normalise;	164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
122		173
123	#############################################################################	174	#############################################################################
124		175
125	=head2 GLOBAL VARIABLES	176	=head2 GLOBAL VARIABLES
126		177
…		…
162		213
163	The raw value load value from the last tick.	214	The raw value load value from the last tick.
164		215
165	=item %cf::CFG	216	=item %cf::CFG
166		217
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	219	from wherever your confdir points to.
169		220
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	221	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		222
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	223	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
177		228
178	This array contains the results of the last C<invoke ()> call. When	229	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	230	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	231	that call.
181		232
		233	=item %cf::REFLECT
		234
		235	Contains, for each (C++) class name, a hash reference with information
		236	about object members (methods, scalars and arrays) and other metadata,
		237	which is useful for introspection.
		238
182	=back	239	=back
183		240
184	=cut	241	=cut
185		242
186	BEGIN {	243	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	244	my $msg = join "", @_;
189		245
190	$msg .= "\n"	246	$msg .= "\n"
191	unless $msg =~ /\n$/;	247	unless $msg =~ /\n$/;
192		248
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		250
195	LOG llevError, $msg;	251	LOG llevError, $msg;
196	};	252	};
197	}	253
		254	$Coro::State::DIEHOOK = sub {
		255	return unless $^S eq 0; # "eq", not "=="
		256
		257	warn Carp::longmess $_[0];
		258
		259	if ($Coro::current == $Coro::main) {#d#
		260	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		261	return;#d#
		262	}#d#
		263
		264	# kill coroutine otherwise
		265	Coro::terminate
		266	};
198		267
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	268	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	269	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	270	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	271	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	278	for my $pkg (qw(
210	cf::global cf::attachable	279	cf::global cf::attachable
211	cf::object cf::object::player	280	cf::object cf::object::player
212	cf::client cf::player	281	cf::client cf::player
213	cf::arch cf::living	282	cf::arch cf::living
		283	cf::map cf::mapspace
214	cf::map cf::party cf::region	284	cf::party cf::region
215	)) {	285	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	287	}
219		288
220	$Event::DIED = sub {	289	$EV::DIED = sub {
221	warn "error in event callback: @_";	290	warn "error in event callback: @_";
222	};	291	};
223		292
224	#############################################################################	293	#############################################################################
225		294
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	317	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	318	$d
250	} || "[unable to dump $_[0]: '$@']";	319	} || "[unable to dump $_[0]: '$@']";
251	}	320	}
252		321
253	=item $ref = cf::from_json $json	322	=item $ref = cf::decode_json $json
254		323
255	Converts a JSON string into the corresponding perl data structure.	324	Converts a JSON string into the corresponding perl data structure.
256		325
257	=item $json = cf::to_json $ref	326	=item $json = cf::encode_json $ref
258		327
259	Converts a perl data structure into its JSON representation.	328	Converts a perl data structure into its JSON representation.
260		329
261	=cut	330	=cut
262		331
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	332	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		333
265	sub to_json ($) { $json_coder->encode ($_[0]) }	334	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	335	sub decode_json($) { $json_coder->decode ($_[0]) }
		336
		337	=item cf::post_init { BLOCK }
		338
		339	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		340	but I<before> the server starts ticking again.
		341
		342	The cdoeblock will have a single boolean argument to indicate whether this
		343	is a reload or not.
		344
		345	=cut
		346
		347	sub post_init(&) {
		348	push @POST_INIT, shift;
		349	}
267		350
268	=item cf::lock_wait $string	351	=item cf::lock_wait $string
269		352
270	Wait until the given lock is available. See cf::lock_acquire.	353	Wait until the given lock is available. See cf::lock_acquire.
271		354
272	=item my $lock = cf::lock_acquire $string	355	=item my $lock = cf::lock_acquire $string
273		356
274	Wait until the given lock is available and then acquires it and returns	357	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,	358	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	359	for example when the coroutine gets canceled), the lock is automatically
277	returned.	360	returned.
278		361
279	Locks are *not* recursive, locking from the same coro twice results in a	362	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	363	deadlocked coro.
…		…
286		369
287	Return true if the lock is currently active, i.e. somebody has locked it.	370	Return true if the lock is currently active, i.e. somebody has locked it.
288		371
289	=cut	372	=cut
290		373
291	our %LOCK;	374	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		375
294	sub lock_wait($) {	376	sub lock_wait($) {
295	my ($key) = @_;	377	$LOCKS->wait ($_[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} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	378	}
308		379
309	sub lock_acquire($) {	380	sub lock_acquire($) {
310	my ($key) = @_;	381	$LOCKS->guard ($_[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	}	382	}
324		383
325	sub lock_active($) {	384	sub lock_active($) {
326	my ($key) = @_;	385	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	386	}
330		387
331	sub freeze_mainloop {	388	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	389	tick_inhibit_inc;
333		390
334	my $guard = Coro::guard {	391	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	392	}
336	};	393
337	$TICK_WATCHER->stop;	394	=item cf::periodic $interval, $cb
338	$guard	395
		396	Like EV::periodic, but randomly selects a starting point so that the actions
		397	get spread over timer.
		398
		399	=cut
		400
		401	sub periodic($$) {
		402	my ($interval, $cb) = @_;
		403
		404	my $start = rand List::Util::min 180, $interval;
		405
		406	EV::periodic $start, $interval, 0, $cb
339	}	407	}
340		408
341	=item cf::get_slot $time[, $priority[, $name]]	409	=item cf::get_slot $time[, $priority[, $name]]
342		410
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	411	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	451	}
384	}	452	}
385	};	453	};
386		454
387	sub get_slot($;$$) {	455	sub get_slot($;$$) {
		456	return if tick_inhibit || $Coro::current == $Coro::main;
		457
388	my ($time, $pri, $name) = @_;	458	my ($time, $pri, $name) = @_;
389		459
390	$time = $TICK * .6 if $time > $TICK * .6;	460	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	461	my $sig = new Coro::Signal;
392		462
…		…
406		476
407	BEGIN { *async = \&Coro::async_pool }	477	BEGIN { *async = \&Coro::async_pool }
408		478
409	=item cf::sync_job { BLOCK }	479	=item cf::sync_job { BLOCK }
410		480
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	481	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	482	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	483	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	484	acceptable.
415		485
416	If it must be done, put the blocking parts into C<sync_job>. This will run	486	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	487	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		492
423	sub sync_job(&) {	493	sub sync_job(&) {
424	my ($job) = @_;	494	my ($job) = @_;
425		495
426	if ($Coro::current == $Coro::main) {	496	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	497	my $time = EV::time;
428		498
429	# this is the main coro, too bad, we have to block	499	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	500	# till the operation succeeds, freezing the server :/
431		501
432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#	502	LOG llevError, Carp::longmess "sync job";#d#
433		503
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
437		505
438	my $busy = 1;	506	my $busy = 1;
439	my @res;	507	my @res;
440		508
…		…
444	warn $@ if $@;	512	warn $@ if $@;
445	undef $busy;	513	undef $busy;
446	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
447		515
448	while ($busy) {	516	while ($busy) {
449	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
450	}	521	}
		522	}
451		523
452	$time = Event::time - $time;	524	my $time = EV::time - $time;
453		525
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	526	$TICK_START += $time; # do not account sync jobs to server load
458		527
459	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
460	} else {	529	} else {
461	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
462		531
…		…
487	=item fork_call { }, $args	556	=item fork_call { }, $args
488		557
489	Executes the given code block with the given arguments in a seperate	558	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	559	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	560	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	561	never block itself or use any form of event handling.
493		562
494	=cut	563	=cut
495		564
496	sub fork_call(&@) {	565	sub fork_call(&@) {
497	my ($cb, @args) = @_;	566	my ($cb, @args) = @_;
…		…
504	reset_signals;	573	reset_signals;
505	&$cb	574	&$cb
506	}, @args;	575	}, @args;
507		576
508	wantarray ? @res : $res[-1]	577	wantarray ? @res : $res[-1]
		578	}
		579
		580	=item $coin = coin_from_name $name
		581
		582	=cut
		583
		584	our %coin_alias = (
		585	"silver" => "silvercoin",
		586	"silvercoin" => "silvercoin",
		587	"silvercoins" => "silvercoin",
		588	"gold" => "goldcoin",
		589	"goldcoin" => "goldcoin",
		590	"goldcoins" => "goldcoin",
		591	"platinum" => "platinacoin",
		592	"platinumcoin" => "platinacoin",
		593	"platinumcoins" => "platinacoin",
		594	"platina" => "platinacoin",
		595	"platinacoin" => "platinacoin",
		596	"platinacoins" => "platinacoin",
		597	"royalty" => "royalty",
		598	"royalties" => "royalty",
		599	);
		600
		601	sub coin_from_name($) {
		602	$coin_alias{$_[0]}
		603	? cf::arch::find $coin_alias{$_[0]}
		604	: undef
509	}	605	}
510		606
511	=item $value = cf::db_get $family => $key	607	=item $value = cf::db_get $family => $key
512		608
513	Returns a single value from the environment database.	609	Returns a single value from the environment database.
…		…
652		748
653	#############################################################################	749	#############################################################################
654		750
655	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
656		752
657	Many objects in crossfire are so-called attachable objects. That means you can	753	Many objects in deliantra are so-called attachable objects. That means you can
658	attach callbacks/event handlers (a collection of which is called an "attachment")	754	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
660		756
661	In the following description, CLASS can be any of C<global>, C<object>	757	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	758	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	759	Deliantra).
664		760
665	=over 4	761	=over 4
666		762
667	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
668		764
…		…
712	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
713		809
714	Register an attachment by C<$name> through which attachable objects of the	810	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
716		812
717	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
718	that are attached at load/instantiate time, thus the need for a name.	814	that are attached at load/instantiate time, thus the need for a name.
719		815
720	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
721		817
722	=over 4	818	=over 4
…		…
950	}	1046	}
951		1047
952	0	1048	0
953	}	1049	}
954		1050
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1052
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1054
959	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
960		1056
…		…
966		1062
967	=cut	1063	=cut
968		1064
969	#############################################################################	1065	#############################################################################
970	# object support	1066	# object support
971	#
972		1067
		1068	sub _object_equal($$);
		1069	sub _object_equal($$) {
		1070	my ($a, $b) = @_;
		1071
		1072	return 0 unless (ref $a) eq (ref $b);
		1073
		1074	if ("HASH" eq ref $a) {
		1075	my @ka = keys %$a;
		1076	my @kb = keys %$b;
		1077
		1078	return 0 if @ka != @kb;
		1079
		1080	for (0 .. $#ka) {
		1081	return 0 unless $ka[$_] eq $kb[$_];
		1082	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1083	}
		1084
		1085	} elsif ("ARRAY" eq ref $a) {
		1086
		1087	return 0 if @$a != @$b;
		1088
		1089	for (0 .. $#$a) {
		1090	return 0 unless _object_equal $a->[$_], $b->[$_];
		1091	}
		1092
		1093	} elsif ($a ne $b) {
		1094	return 0;
		1095	}
		1096
		1097	1
		1098	}
		1099
		1100	our $SLOW_MERGES;#d#
973	sub _can_merge {	1101	sub _can_merge {
974	my ($ob1, $ob2) = @_;	1102	my ($ob1, $ob2) = @_;
975		1103
976	local $Storable::canonical = 1;	1104	++$SLOW_MERGES;#d#
977	my $fob1 = Storable::freeze $ob1;
978	my $fob2 = Storable::freeze $ob2;
979		1105
980	$fob1 eq $fob2	1106	# we do the slow way here
		1107	return _object_equal $ob1, $ob2
981	}	1108	}
982		1109
983	sub reattach {	1110	sub reattach {
984	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
985	my ($obj) = @_;	1112	my ($obj) = @_;
986		1113
		1114	# no longer needed after getting rid of delete_package?
987	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1115	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
988		1116
989	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
990		1118
991	@$registry = ();	1119	@$registry = ();
992		1120
…		…
1007	cf::attachable->attach (	1135	cf::attachable->attach (
1008	prio => -1000000,	1136	prio => -1000000,
1009	on_instantiate => sub {	1137	on_instantiate => sub {
1010	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
1011		1139
1012	$data = from_json $data;	1140	$data = decode_json $data;
1013		1141
1014	for (@$data) {	1142	for (@$data) {
1015	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
1016		1144
1017	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
1038	utf8::decode (my $decname = $filename);	1166	utf8::decode (my $decname = $filename);
1039	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
1040	$decname, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
1041		1169
1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1043	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1172	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1045	aio_fsync $fh if $cf::USE_FSYNC;	1173	if ($cf::USE_FSYNC) {
		1174	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;
		1175	aio_fsync $fh;
		1176	}
1046	close $fh;	1177	aio_close $fh;
1047		1178
1048	if (@$objs) {	1179	if (@$objs) {
1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1180	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
1051	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1052	aio_write $fh, 0, (length $data), $data, 0;	1183	aio_write $fh, 0, (length $data), $data, 0;
1053	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	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;
		1186	aio_fsync $fh;
		1187	}
1054	close $fh;	1188	aio_close $fh;
1055	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
1056	}	1190	}
1057	} else {	1191	} else {
1058	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
1059	}	1193	}
1060		1194
1061	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
1062	} else {	1199	} else {
1063	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
1064	}	1201	}
1065	} else {	1202	} else {
1066	aio_unlink $filename;	1203	aio_unlink $filename;
1067	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
1068	}	1205	}
…		…
1087		1224
1088	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1227	or return;
1091		1228
1092	my $st = eval { Coro::Storable::thaw $av }	1229	my $st = eval { Coro::Storable::thaw $av };
1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1094	$av = $st->{objs};	1230	$av = $st->{objs};
1095	}	1231	}
1096		1232
1097	utf8::decode (my $decname = $filename);	1233	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
…		…
1160	my ($name, $cb) = @_;	1296	my ($name, $cb) = @_;
1161		1297
1162	$EXTICMD{$name} = $cb;	1298	$EXTICMD{$name} = $cb;
1163	}	1299	}
1164		1300
		1301	use File::Glob ();
		1302
1165	cf::player->attach (	1303	cf::player->attach (
1166	on_command => sub {	1304	on_command => sub {
1167	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
1168		1306
1169	my $cb = $COMMAND{$name}	1307	my $cb = $COMMAND{$name}
…		…
1201		1339
1202	cf::override;	1340	cf::override;
1203	},	1341	},
1204	);	1342	);
1205		1343
		1344	# "readahead" all extensions
		1345	sub cache_extensions {
		1346	my $grp = IO::AIO::aio_group;
		1347
		1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1349	for (grep /\.ext$/, @{$_[0]}) {
		1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1351	}
		1352	};
		1353
		1354	$grp
		1355	}
		1356
1206	sub load_extensions {	1357	sub load_extensions {
1207	cf::sync_job {	1358	cf::sync_job {
1208	my %todo;	1359	my %todo;
1209		1360
1210	for my $path (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
…		…
1229		1380
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1381	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1382	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1383
1233	$ext{source} =	1384	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1385	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1235	. "#line 1 \"$path\"\n{\n"	1386	. "#line 1 \"$path\"\n{\n"
1236	. $source	1387	. $source
1237	. "\n};\n1";	1388	. "\n};\n1";
1238		1389
1239	$todo{$base} = \%ext;	1390	$todo{$base} = \%ext;
…		…
1255	my $msg = $@ ? "$v->{path}: $@\n"	1406	my $msg = $@ ? "$v->{path}: $@\n"
1256	: "$v->{base}: extension inactive.\n";	1407	: "$v->{base}: extension inactive.\n";
1257		1408
1258	if (exists $v->{meta}{mandatory}) {	1409	if (exists $v->{meta}{mandatory}) {
1259	warn $msg;	1410	warn $msg;
1260	warn "mandatory extension failed to load, exiting.\n";	1411	cf::cleanup "mandatory extension failed to load, exiting.";
1261	exit 1;
1262	}	1412	}
1263		1413
1264	warn $msg;	1414	warn $msg;
1265	}	1415	}
1266		1416
…		…
1280		1430
1281	=back	1431	=back
1282		1432
1283	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
1284		1434
1285	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
1286		1436
1287	=cut	1437	=cut
1288		1438
1289	package cf::player;	1439	package cf::player;
1290		1440
…		…
1333		1483
1334	sub exists($) {	1484	sub exists($) {
1335	my ($login) = @_;	1485	my ($login) = @_;
1336		1486
1337	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1488	or !aio_stat path $login
1339	}	1489	}
1340		1490
1341	sub find($) {	1491	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1493	my $login = $_[0];
…		…
1355	my $f = new_from_file cf::object::thawer path $login	1505	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1506	or return;
1357		1507
1358	my $pl = cf::player::load_pl $f	1508	my $pl = cf::player::load_pl $f
1359	or return;	1509	or return;
		1510
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1511	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1512	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
1363	}	1514	}
1364	}	1515	}
…		…
1374		1525
1375	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
1376		1527
1377	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
		1530
		1531	cf::get_slot 0.01;
1379		1532
1380	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1534	cf::cede_to_tick;
1382	}	1535	}
1383		1536
…		…
1415	my ($pl) = @_;	1568	my ($pl) = @_;
1416		1569
1417	my $name = $pl->ob->name;	1570	my $name = $pl->ob->name;
1418		1571
1419	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1420	$pl->password ("*"); # this should lock out the player until we nuked the dir	1573	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1421		1574
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1423	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1425	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1426		1581
1427	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1467		1622
1468	for my $login (@$dirs) {	1623	for my $login (@$dirs) {
1469	my $path = path $login;	1624	my $path = path $login;
1470		1625
1471	# a .pst is a dead give-away for a valid player	1626	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1627	# if no pst file found, open and chekc for blocked users
		1628	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1632	}
1477		1633
…		…
1508	}	1664	}
1509		1665
1510	\@paths	1666	\@paths
1511	}	1667	}
1512		1668
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1670
1515	Expand crossfire pod fragments into protocol xml.	1671	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1672
1564	=item $player->ext_reply ($msgid, @msg)	1673	=item $player->ext_reply ($msgid, @msg)
1565		1674
1566	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1567		1676
…		…
1634	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1636		1745
1637	sub generate_random_map {	1746	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1747	my ($self, $rmp) = @_;
		1748
		1749	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1750
1639	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1640	$self->_create_random_map (	1752	$self->_create_random_map (
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1765		1877
1766	# the temporary/swap location	1878	# the temporary/swap location
1767	sub save_path {	1879	sub save_path {
1768	my ($self) = @_;	1880	my ($self) = @_;
1769		1881
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1882	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	1883	"$TMPDIR/$path.map"
1772	}	1884	}
1773		1885
1774	# the unique path, undef == no special unique path	1886	# the unique path, undef == no special unique path
1775	sub uniq_path {	1887	sub uniq_path {
1776	my ($self) = @_;	1888	my ($self) = @_;
1777		1889
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1890	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	1891	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	1892	}
1790		1893
1791	sub decay_objects {	1894	sub decay_objects {
1792	my ($self) = @_;	1895	my ($self) = @_;
1793		1896
…		…
1877	sub find {	1980	sub find {
1878	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1879		1982
1880	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1881		1984
1882	cf::lock_wait "map_data:$path";#d#remove	1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1884		1987
1885	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	1989	my $map = new_from_path cf::map $path
1890	or return;	1990	or return;
1891		1991
1892	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1893		1993
…		…
1895	or return;	1995	or return;
1896		1996
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1997	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	1998	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	1999	#$cf::WAIT_FOR_TICK->wait;
		2000	undef $guard2;
1900	undef $guard1;	2001	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2002	$map->reset;
1903	return find $path;	2003	return find $path;
1904	}	2004	}
1905		2005
1906	$cf::MAP{$path} = $map	2006	$cf::MAP{$path} = $map
…		…
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2033	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2034	$f->skip_block;
1935	$self->_load_objects ($f)	2035	$self->_load_objects ($f)
1936	or return;	2036	or return;
1937		2037
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1939	if delete $self->{load_original};	2039	if delete $self->{load_original};
1940		2040
1941	if (my $uniq = $self->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2042	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2043	unless (aio_stat $uniq) {
…		…
1961	unless ($self->{deny_activate}) {	2061	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2062	$self->decay_objects;
1963	$self->fix_auto_apply;	2063	$self->fix_auto_apply;
1964	$self->update_buttons;	2064	$self->update_buttons;
1965	cf::cede_to_tick;	2065	cf::cede_to_tick;
1966	$self->set_darkness_map;
1967	cf::cede_to_tick;
1968	$self->activate;	2066	$self->activate;
1969	}	2067	}
1970		2068
1971	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2070	$self->last_access ($cf::RUNTIME);
1973		2071
1974	$self->in_memory (cf::MAP_IN_MEMORY);	2072	$self->in_memory (cf::MAP_ACTIVE);
1975	}	2073	}
1976		2074
1977	$self->post_load;	2075	$self->post_load;
1978	}	2076	}
1979		2077
…		…
2037	my ($path, $origin, $load) = @_;	2135	my ($path, $origin, $load) = @_;
2038		2136
2039	$path = normalise $path, $origin && $origin->{path};	2137	$path = normalise $path, $origin && $origin->{path};
2040		2138
2041	if (my $map = $cf::MAP{$path}) {	2139	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043	}	2141	}
2044		2142
2045	$MAP_PREFETCH{$path} |= $load;	2143	$MAP_PREFETCH{$path} |= $load;
2046		2144
2047	$MAP_PREFETCHER ||= cf::async {	2145	$MAP_PREFETCHER ||= cf::async {
…		…
2084	cf::async {	2182	cf::async {
2085	$Coro::current->{desc} = "map player save";	2183	$Coro::current->{desc} = "map player save";
2086	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
2087	};	2185	};
2088		2186
		2187	cf::get_slot 0.02;
		2188
2089	if ($uniq) {	2189	if ($uniq) {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2091	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2092	} else {	2192	} else {
2093	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2101	$self->save;	2201	$self->save;
2102		2202
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2204
2105	return if $self->players;	2205	return if $self->players;
2106	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
2107	return if $self->{deny_save};	2207	return if $self->{deny_save};
2108		2208
2109	$self->in_memory (cf::MAP_SWAPPED);	2209	$self->in_memory (cf::MAP_SWAPPED);
2110		2210
2111	$self->deactivate;	2211	$self->deactivate;
…		…
2136		2236
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2238
2139	return if $self->players;	2239	return if $self->players;
2140		2240
2141	warn "resetting map ", $self->path;	2241	warn "resetting map ", $self->path, "\n";
2142		2242
2143	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->in_memory (cf::MAP_SWAPPED);
2144		2244
2145	# need to save uniques path	2245	# need to save uniques path
2146	unless ($self->{deny_save}) {	2246	unless ($self->{deny_save}) {
…		…
2229		2329
2230	sub unique_maps() {	2330	sub unique_maps() {
2231	[	2331	[
2232	map {	2332	map {
2233	utf8::decode $_;	2333	utf8::decode $_;
2234	/\.map$/	2334	s/\.map$//; # TODO future compatibility hack
		2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2336	? ()
2235	? normalise $_	2337	: normalise $_
2236	: ()
2237	} @{ aio_readdir $UNIQUEDIR or [] }	2338	} @{ aio_readdir $UNIQUEDIR or [] }
2238	]	2339	]
2239	}	2340	}
2240		2341
2241	package cf;
2242
2243	=back	2342	=back
2244		2343
2245	=head3 cf::object	2344	=head3 cf::object
2246		2345
2247	=cut	2346	=cut
…		…
2250		2349
2251	=over 4	2350	=over 4
2252		2351
2253	=item $ob->inv_recursive	2352	=item $ob->inv_recursive
2254		2353
2255	Returns the inventory of the object _and_ their inventories, recursively.	2354	Returns the inventory of the object I<and> their inventories, recursively,
		2355	but I<not> the object itself.
2256		2356
2257	=cut	2357	=cut
2258		2358
2259	sub inv_recursive_;	2359	sub inv_recursive_;
2260	sub inv_recursive_ {	2360	sub inv_recursive_ {
…		…
2265	inv_recursive_ inv $_[0]	2365	inv_recursive_ inv $_[0]
2266	}	2366	}
2267		2367
2268	=item $ref = $ob->ref	2368	=item $ref = $ob->ref
2269		2369
2270	creates and returns a persistent reference to an objetc that can be stored as a string.	2370	Creates and returns a persistent reference to an object that can be stored as a string.
2271		2371
2272	=item $ob = cf::object::deref ($refstring)	2372	=item $ob = cf::object::deref ($refstring)
2273		2373
2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2374	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2275	even if the object actually exists. May block.	2375	even if the object actually exists. May block.
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2407	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
2309		2409
2310	=cut	2410	=cut
2311		2411
		2412	our $SAY_CHANNEL = {
		2413	id => "say",
		2414	title => "Map",
		2415	reply => "say ",
		2416	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2417	};
		2418
		2419	our $CHAT_CHANNEL = {
		2420	id => "chat",
		2421	title => "Chat",
		2422	reply => "chat ",
		2423	tooltip => "Player chat and shouts, global to the server.",
		2424	};
		2425
2312	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2427	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2428	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2430	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2441	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2443
2330	} else {	2444	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2447	}
2334	}	2448	}
2335	}	2449	}
2336		2450
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2476
2363	=item $player_object->enter_link	2477	=item $player_object->enter_link
2364		2478
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2479	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2480
2367	The player should be reasonably safe there for short amounts of time. You	2481	The player should be reasonably safe there for short amounts of time (e.g.
2368	I<MUST> call C<leave_link> as soon as possible, though.	2482	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2483	though, as the palyer cannot control the character while it is on the link
		2484	map.
2369		2485
2370	Will never block.	2486	Will never block.
2371		2487
2372	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
2373		2489
…		…
2431		2547
2432	$map->load;	2548	$map->load;
2433	$map->load_neighbours;	2549	$map->load_neighbours;
2434		2550
2435	return unless $self->contr->active;	2551	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2552
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2554	$self->enter_map ($map, $x, $y);
		2555
		2556	# only activate afterwards, to support waiting in hooks
		2557	$self->activate_recursive;
2440	}	2558	}
2441		2559
2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2443		2561
2444	Moves the player to the given map-path and coordinates by first freezing	2562	Moves the player to the given map-path and coordinates by first freezing
2445	her, loading and preparing them map, calling the provided $check callback	2563	her, loading and preparing them map, calling the provided $check callback
2446	that has to return the map if sucecssful, and then unfreezes the player on	2564	that has to return the map if sucecssful, and then unfreezes the player on
2447	the new (success) or old (failed) map position. In either case, $done will	2565	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2566	be called at the end of this process.
		2567
		2568	Note that $check will be called with a potentially non-loaded map, so if
		2569	it needs a loaded map it has to call C<< ->load >>.
2449		2570
2450	=cut	2571	=cut
2451		2572
2452	our $GOTOGEN;	2573	our $GOTOGEN;
2453		2574
…		…
2532	}	2653	}
2533		2654
2534	sub prepare_random_map {	2655	sub prepare_random_map {
2535	my ($exit) = @_;	2656	my ($exit) = @_;
2536		2657
2537	my $guard = cf::lock_acquire "exit_prepare:$exit";
2538
2539	# all this does is basically replace the /! path by	2658	# all this does is basically replace the /! path by
2540	# a new random map path (?random/...) with a seed	2659	# a new random map path (?random/...) with a seed
2541	# that depends on the exit object	2660	# that depends on the exit object
2542		2661
2543	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
…		…
2545	if ($exit->map) {	2664	if ($exit->map) {
2546	$rmp->{region} = $exit->region->name;	2665	$rmp->{region} = $exit->region->name;
2547	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
2548	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
2549	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
2550	}	2671	}
2551		2672
2552	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
2553		2674
2554	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2555	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
2556	my $meta = "$RANDOMDIR/$md5.meta";	2677	my $meta = "$RANDOMDIR/$md5.meta";
2557		2678
2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2679	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2559	aio_write $fh, 0, (length $data), $data, 0;	2680	aio_write $fh, 0, (length $data), $data, 0;
2560	undef $fh;	2681	undef $fh;
2561	aio_rename "$meta~", $meta;	2682	aio_rename "$meta~", $meta;
2562		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
2563	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
2564	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
2565	}	2690	}
2566	}	2691	}
2567		2692
2568	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
2569	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
2570		2695
2571	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
2572		2697
2573	if ($exit->slaying eq "/!") {
2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
2575	# the problem is that $exit might not survive long enough
2576	# so it needs to be done right now, right here
2577	cf::sync_job { prepare_random_map $exit };
2578	}
2579
2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2581	my $hp = $exit->stats->hp;
2582	my $sp = $exit->stats->sp;
2583
2584	$self->enter_link;	2698	$self->enter_link;
2585		2699
2586	# if exit is damned, update players death & WoR home-position
2587	$self->contr->savebed ($slaying, $hp, $sp)
2588	if $exit->flag (FLAG_DAMNED);
2589
2590	(async {	2700	(async {
2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2701	$Coro::current->{desc} = "enter_exit";
2592		2702
2593	$self->deactivate_recursive; # just to be sure
2594	unless (eval {	2703	unless (eval {
		2704	$self->deactivate_recursive; # just to be sure
		2705
		2706	# random map handling
		2707	{
		2708	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2709
		2710	prepare_random_map $exit
		2711	if $exit->slaying eq "/!";
		2712	}
		2713
		2714	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2715	my $x = $exit->stats->hp;
		2716	my $y = $exit->stats->sp;
		2717
2595	$self->goto ($slaying, $hp, $sp);	2718	$self->goto ($map, $x, $y);
2596		2719
		2720	# if exit is damned, update players death & WoR home-position
		2721	$self->contr->savebed ($map, $x, $y)
		2722	if $exit->flag (cf::FLAG_DAMNED);
		2723
2597	1;	2724	1
2598	}) {	2725	}) {
2599	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
2600	. "I'll try to bring you back to the map you were before. "	2727	. "I'll try to bring you back to the map you were before. "
2601	. "Please report this to the dungeon master!",	2728	. "Please report this to the dungeon master!",
2602	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
2603		2730
2604	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
…		…
2632	the message, with C<log> being the default. If C<$color> is negative, suppress	2759	the message, with C<log> being the default. If C<$color> is negative, suppress
2633	the message unless the client supports the msg packet.	2760	the message unless the client supports the msg packet.
2634		2761
2635	=cut	2762	=cut
2636		2763
		2764	# non-persistent channels (usually the info channel)
2637	our %CHANNEL = (	2765	our %CHANNEL = (
2638	"c/identify" => {	2766	"c/identify" => {
2639	id => "infobox",	2767	id => "infobox",
2640	title => "Identify",	2768	title => "Identify",
2641	reply => undef,	2769	reply => undef,
…		…
2645	id => "infobox",	2773	id => "infobox",
2646	title => "Examine",	2774	title => "Examine",
2647	reply => undef,	2775	reply => undef,
2648	tooltip => "Signs and other items you examined",	2776	tooltip => "Signs and other items you examined",
2649	},	2777	},
		2778	"c/book" => {
		2779	id => "infobox",
		2780	title => "Book",
		2781	reply => undef,
		2782	tooltip => "The contents of a note or book",
		2783	},
2650	"c/lookat" => {	2784	"c/lookat" => {
2651	id => "infobox",	2785	id => "infobox",
2652	title => "Look",	2786	title => "Look",
2653	reply => undef,	2787	reply => undef,
2654	tooltip => "What you saw there",	2788	tooltip => "What you saw there",
2655	},	2789	},
		2790	"c/who" => {
		2791	id => "infobox",
		2792	title => "Players",
		2793	reply => undef,
		2794	tooltip => "Shows players who are currently online",
		2795	},
		2796	"c/body" => {
		2797	id => "infobox",
		2798	title => "Body Parts",
		2799	reply => undef,
		2800	tooltip => "Shows which body parts you posess and are available",
		2801	},
		2802	"c/statistics" => {
		2803	id => "infobox",
		2804	title => "Statistics",
		2805	reply => undef,
		2806	tooltip => "Shows your primary statistics",
		2807	},
		2808	"c/skills" => {
		2809	id => "infobox",
		2810	title => "Skills",
		2811	reply => undef,
		2812	tooltip => "Shows your experience per skill and item power",
		2813	},
		2814	"c/shopitems" => {
		2815	id => "infobox",
		2816	title => "Shop Items",
		2817	reply => undef,
		2818	tooltip => "Shows the items currently for sale in this shop",
		2819	},
		2820	"c/resistances" => {
		2821	id => "infobox",
		2822	title => "Resistances",
		2823	reply => undef,
		2824	tooltip => "Shows your resistances",
		2825	},
		2826	"c/pets" => {
		2827	id => "infobox",
		2828	title => "Pets",
		2829	reply => undef,
		2830	tooltip => "Shows information abotu your pets/a specific pet",
		2831	},
		2832	"c/perceiveself" => {
		2833	id => "infobox",
		2834	title => "Perceive Self",
		2835	reply => undef,
		2836	tooltip => "You gained detailed knowledge about yourself",
		2837	},
		2838	"c/uptime" => {
		2839	id => "infobox",
		2840	title => "Uptime",
		2841	reply => undef,
		2842	tooltip => "How long the server has been running since last restart",
		2843	},
		2844	"c/mapinfo" => {
		2845	id => "infobox",
		2846	title => "Map Info",
		2847	reply => undef,
		2848	tooltip => "Information related to the maps",
		2849	},
		2850	"c/party" => {
		2851	id => "party",
		2852	title => "Party",
		2853	reply => "gsay ",
		2854	tooltip => "Messages and chat related to your party",
		2855	},
		2856	"c/death" => {
		2857	id => "death",
		2858	title => "Death",
		2859	reply => undef,
		2860	tooltip => "Reason for and more info about your most recent death",
		2861	},
		2862	"c/say" => $SAY_CHANNEL,
		2863	"c/chat" => $CHAT_CHANNEL,
2656	);	2864	);
2657		2865
2658	sub cf::client::send_msg {	2866	sub cf::client::send_msg {
2659	my ($self, $channel, $msg, $color, @extra) = @_;	2867	my ($self, $channel, $msg, $color, @extra) = @_;
2660		2868
2661	$msg = $self->pl->expand_cfpod ($msg);	2869	$msg = $self->pl->expand_cfpod ($msg)
		2870	unless $color & cf::NDI_VERBATIM;
2662		2871
2663	$color &= cf::NDI_CLIENT_MASK; # just in case...	2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
2664		2873
2665	# check predefined channels, for the benefit of C	2874	# check predefined channels, for the benefit of C
2666	if ($CHANNEL{$channel}) {	2875	if ($CHANNEL{$channel}) {
2667	$channel = $CHANNEL{$channel};	2876	$channel = $CHANNEL{$channel};
2668		2877
2669	$self->ext_msg (channel_info => $channel)	2878	$self->ext_msg (channel_info => $channel);
2670	if $self->can_msg;
2671
2672	$channel = $channel->{id};	2879	$channel = $channel->{id};
2673		2880
2674	} elsif (ref $channel) {	2881	} elsif (ref $channel) {
2675	# send meta info to client, if not yet sent	2882	# send meta info to client, if not yet sent
2676	unless (exists $self->{channel}{$channel->{id}}) {	2883	unless (exists $self->{channel}{$channel->{id}}) {
2677	$self->{channel}{$channel->{id}} = $channel;	2884	$self->{channel}{$channel->{id}} = $channel;
2678	$self->ext_msg (channel_info => $channel)	2885	$self->ext_msg (channel_info => $channel);
2679	if $self->can_msg;
2680	}	2886	}
2681		2887
2682	$channel = $channel->{id};	2888	$channel = $channel->{id};
2683	}	2889	}
2684		2890
2685	return unless @extra || length $msg;	2891	return unless @extra || length $msg;
2686		2892
2687	if ($self->can_msg) {
2688	# default colour, mask it out	2893	# default colour, mask it out
2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2894	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2690	if $color & cf::NDI_DEF;	2895	if $color & cf::NDI_DEF;
2691		2896
2692	$self->send_packet ("msg " . $self->{json_coder}->encode (	2897	my $pkt = "msg "
		2898	. $self->{json_coder}->encode (
2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2899	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2694	} else {	2900	);
2695	if ($color >= 0) {
2696	# replace some tags by gcfclient-compatible ones
2697	for ($msg) {
2698	1 while
2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2704	}
2705		2901
2706	$color &= cf::NDI_COLOR_MASK;	2902	# try lzf for large packets
		2903	$pkt = "lzf " . Compress::LZF::compress $pkt
		2904	if 1024 <= length $pkt and $self->{can_lzf};
2707		2905
2708	utf8::encode $msg;	2906	# split very large packets
2709		2907	if (8192 < length $pkt and $self->{can_lzf}) {
2710	if (0 && $msg =~ /\[/) {	2908	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2711	# COMMAND/INFO	2909	$pkt = "frag";
2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
2713	} else {
2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2715	$self->send_packet ("drawinfo $color $msg")
2716	}
2717	}
2718	}	2910	}
		2911
		2912	$self->send_packet ($pkt);
2719	}	2913	}
2720		2914
2721	=item $client->ext_msg ($type, @msg)	2915	=item $client->ext_msg ($type, @msg)
2722		2916
2723	Sends an ext event to the client.	2917	Sends an ext event to the client.
…		…
2897		3091
2898	The following functions and methods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
2899		3093
2900	cf::object	3094	cf::object
2901	contr pay_amount pay_player map x y force_find force_add destroy	3095	contr pay_amount pay_player map x y force_find force_add destroy
2902	insert remove name archname title slaying race decrease_ob_nr	3096	insert remove name archname title slaying race decrease split
		3097	value
2903		3098
2904	cf::object::player	3099	cf::object::player
2905	player	3100	player
2906		3101
2907	cf::player	3102	cf::player
…		…
2912		3107
2913	=cut	3108	=cut
2914		3109
2915	for (	3110	for (
2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3111	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2917	insert remove inv name archname title slaying race	3112	insert remove inv nrof name archname title slaying race
2918	decrease_ob_nr destroy)],	3113	decrease split destroy change_exp value msg lore send_msg)],
2919	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
2920	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
2921	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
2922	) {	3117	) {
2923	no strict 'refs';	3118	no strict 'refs';
2924	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
2925	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2942	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2943		3138
2944	my $qcode = $code;	3139	my $qcode = $code;
2945	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2946	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2947		3144
2948	local $_;	3145	local $_;
2949	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2950		3147
2951	my $eval =	3148	my $eval =
…		…
3028	{	3225	{
3029	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
3030		3227
3031	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
3033	cf::face::set_visibility $idx, $info->{visibility};	3231	cf::face::set_visibility $idx, $info->{visibility};
3034	cf::face::set_magicmap $idx, $info->{magicmap};	3232	cf::face::set_magicmap $idx, $info->{magicmap};
3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3037		3235
3038	cf::cede_to_tick;	3236	cf::cede_to_tick;
3039	}	3237	}
3040		3238
3041	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
3042	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
3043	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
3044	or next;	3243	or next;
		3244
3045	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
3046	cf::face::set_smooth $idx, $smooth;	3246	cf::face::set_smooth $idx, $smooth;
3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3048	} else {	3248	} else {
3049	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3067	{	3267	{
3068	# TODO: for gcfclient pleasure, we should give resources	3268	# TODO: for gcfclient pleasure, we should give resources
3069	# that gcfclient doesn't grok a >10000 face index.	3269	# that gcfclient doesn't grok a >10000 face index.
3070	my $res = $facedata->{resource};	3270	my $res = $facedata->{resource};
3071		3271
3072	my $soundconf = delete $res->{"res/sound.conf"};
3073
3074	while (my ($name, $info) = each %$res) {	3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3076	my $data;	3275	my $data;
3077		3276
3078	if ($info->{type} & 1) {	3277	if ($info->{type} & 1) {
3079	# prepend meta info	3278	# prepend meta info
3080		3279
3081	my $meta = $enc->encode ({	3280	my $meta = $enc->encode ({
3082	name => $name,	3281	name => $name,
3083	%{ $info->{meta} || {} },	3282	%{ $info->{meta} || {} },
3084	});	3283	});
3085		3284
3086	$data = pack "(w/a*)*", $meta, $info->{data};	3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
3087	} else {	3292	} else {
3088	$data = $info->{data};	3293	$RESOURCE{$name} = $info;
3089	}	3294	}
3090		3295
3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3092	cf::face::set_type $idx, $info->{type};
3093
3094	cf::cede_to_tick;	3296	cf::cede_to_tick;
3095	}	3297	}
3096
3097	if ($soundconf) {
3098	$soundconf = $enc->decode (delete $soundconf->{data});
3099
3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3101	my $sound = $soundconf->{compat}[$_]
3102	or next;
3103
3104	my $face = cf::face::find "sound/$sound->[1]";
3105	cf::sound::set $sound->[0] => $face;
3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3107	}
3108
3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
3110	my $face = cf::face::find "sound/$v";
3111	cf::sound::set $k => $face;
3112	}
3113	}
3114	}	3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3115		3301
3116	1	3302	1
3117	}	3303	}
		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
3118		3324
3119	register_exticmd fx_want => sub {	3325	register_exticmd fx_want => sub {
3120	my ($ns, $want) = @_;	3326	my ($ns, $want) = @_;
3121		3327
3122	while (my ($k, $v) = each %$want) {	3328	while (my ($k, $v) = each %$want) {
3123	$ns->fx_want ($k, $v);	3329	$ns->fx_want ($k, $v);
3124	}	3330	}
3125	};	3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
3126		3342
3127	sub reload_regions {	3343	sub reload_regions {
3128	# HACK to clear player env face cache, we need some signal framework	3344	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)	3345	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3346	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3144	}	3360	}
3145		3361
3146	sub reload_archetypes {	3362	sub reload_archetypes {
3147	load_resource_file "$DATADIR/archetypes"	3363	load_resource_file "$DATADIR/archetypes"
3148	or die "unable to load archetypes\n";	3364	or die "unable to load archetypes\n";
3149	#d# NEED to laod twice to resolve forward references
3150	# this really needs to be done in an extra post-pass
3151	# (which needs to be synchronous, so solve it differently)
3152	load_resource_file "$DATADIR/archetypes"
3153	or die "unable to load archetypes\n";
3154	}	3365	}
3155		3366
3156	sub reload_treasures {	3367	sub reload_treasures {
3157	load_resource_file "$DATADIR/treasures"	3368	load_resource_file "$DATADIR/treasures"
3158	or die "unable to load treasurelists\n";	3369	or die "unable to load treasurelists\n";
3159	}	3370	}
3160		3371
3161	sub reload_resources {	3372	sub reload_resources {
3162	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
3163		3374
		3375	reload_facedata;
		3376	reload_archetypes;
3164	reload_regions;	3377	reload_regions;
3165	reload_facedata;
3166	#reload_archetypes;#d#
3167	reload_archetypes;
3168	reload_treasures;	3378	reload_treasures;
3169		3379
3170	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
3171	}
3172
3173	sub init {
3174	reload_resources;
3175	}	3381	}
3176		3382
3177	sub reload_config {	3383	sub reload_config {
3178	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
3179	or return;	3385	or return;
3180		3386
3181	local $/;	3387	local $/;
3182	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
3183		3389
3184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3185		3391
3186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3187	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3193	};	3399	};
3194	warn $@ if $@;	3400	warn $@ if $@;
3195	}	3401	}
3196	}	3402	}
3197		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
		3423	sub main_loop {
		3424	warn "EV::loop starting\n";
		3425	if (1) {
		3426	EV::loop;
		3427	}
		3428	warn "EV::loop returned\n";
		3429	goto &main_loop unless $REALLY_UNLOOP;
		3430	}
		3431
3198	sub main {	3432	sub main {
		3433	cf::init_globals; # initialise logging
		3434
		3435	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3436	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3437	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3438	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3439
		3440	cf::init_experience;
		3441	cf::init_anim;
		3442	cf::init_attackmess;
		3443	cf::init_dynamic;
		3444
		3445	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3446
3199	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
3200	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3449	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3202	(async {	3450	(async {
3203	$Coro::current->{desc} = "IDLE BUG HANDLER";	3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
3204	Event::one_event;	3452	EV::loop EV::LOOP_ONESHOT;
3205	})->prio (Coro::PRIO_MAX);	3453	})->prio (Coro::PRIO_MAX);
3206	};	3454	};
3207		3455
		3456	evthread_start IO::AIO::poll_fileno;
		3457
		3458	cf::sync_job {
		3459	reload_resources;
3208	reload_config;	3460	reload_config;
3209	db_init;	3461	db_init;
		3462
		3463	cf::load_settings;
		3464	cf::load_materials;
		3465	cf::init_uuid;
		3466	cf::init_signals;
		3467	cf::init_commands;
		3468	cf::init_skills;
		3469
		3470	cf::init_beforeplay;
		3471
		3472	atomic;
		3473
3210	load_extensions;	3474	load_extensions;
3211		3475
3212	$TICK_WATCHER->start;	3476	utime time, time, $RUNTIMEFILE;
3213	Event::loop;	3477
		3478	# no (long-running) fork's whatsoever before this point(!)
		3479	use POSIX ();
		3480	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3481
		3482	(pop @POST_INIT)->(0) while @POST_INIT;
		3483	};
		3484
		3485	main_loop;
3214	}	3486	}
3215		3487
3216	#############################################################################	3488	#############################################################################
3217	# initialisation and cleanup	3489	# initialisation and cleanup
3218		3490
3219	# install some emergency cleanup handlers	3491	# install some emergency cleanup handlers
3220	BEGIN {	3492	BEGIN {
		3493	our %SIGWATCHER = ();
3221	for my $signal (qw(INT HUP TERM)) {	3494	for my $signal (qw(INT HUP TERM)) {
3222	Event->signal (	3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3223	reentrant => 0,
3224	data => WF_AUTOCANCEL,
3225	signal => $signal,
3226	prio => 0,
3227	cb => sub {
3228	cf::cleanup "SIG$signal";	3496	cf::cleanup "SIG$signal";
3229	},
3230	);	3497	};
3231	}	3498	}
3232	}	3499	}
3233		3500
3234	sub write_runtime {	3501	sub write_runtime_sync {
3235	my $runtime = "$LOCALDIR/runtime";
3236
3237	# first touch the runtime file to show we are still running:	3502	# first touch the runtime file to show we are still running:
3238	# the fsync below can take a very very long time.	3503	# the fsync below can take a very very long time.
3239		3504
3240	IO::AIO::aio_utime $runtime, undef, undef;	3505	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3241		3506
3242	my $guard = cf::lock_acquire "write_runtime";	3507	my $guard = cf::lock_acquire "write_runtime";
3243		3508
3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3509	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3245	or return;	3510	or return;
3246		3511
3247	my $value = $cf::RUNTIME + 90 + 10;	3512	my $value = $cf::RUNTIME + 90 + 10;
3248	# 10 is the runtime save interval, for a monotonic clock	3513	# 10 is the runtime save interval, for a monotonic clock
3249	# 60 allows for the watchdog to kill the server.	3514	# 60 allows for the watchdog to kill the server.
…		…
3259	aio_utime $fh, undef, undef;	3524	aio_utime $fh, undef, undef;
3260		3525
3261	close $fh	3526	close $fh
3262	or return;	3527	or return;
3263		3528
3264	aio_rename "$runtime~", $runtime	3529	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3265	and return;	3530	and return;
3266		3531
3267	warn "runtime file written.\n";	3532	warn "runtime file written.\n";
3268		3533
3269	1	3534	1
		3535	}
		3536
		3537	our $uuid_lock;
		3538	our $uuid_skip;
		3539
		3540	sub write_uuid_sync($) {
		3541	$uuid_skip ||= $_[0];
		3542
		3543	return if $uuid_lock;
		3544	local $uuid_lock = 1;
		3545
		3546	my $uuid = "$LOCALDIR/uuid";
		3547
		3548	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3549	or return;
		3550
		3551	my $value = uuid_seq uuid_cur;
		3552
		3553	unless ($value) {
		3554	warn "cowardly refusing to write zero uuid value!\n";
		3555	return;
		3556	}
		3557
		3558	my $value = uuid_str $value + $uuid_skip;
		3559	$uuid_skip = 0;
		3560
		3561	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3562	and return;
		3563
		3564	# always fsync - this file is important
		3565	aio_fsync $fh
		3566	and return;
		3567
		3568	close $fh
		3569	or return;
		3570
		3571	aio_rename "$uuid~", $uuid
		3572	and return;
		3573
		3574	warn "uuid file written ($value).\n";
		3575
		3576	1
		3577
		3578	}
		3579
		3580	sub write_uuid($$) {
		3581	my ($skip, $sync) = @_;
		3582
		3583	$sync ? write_uuid_sync $skip
		3584	: async { write_uuid_sync $skip };
3270	}	3585	}
3271		3586
3272	sub emergency_save() {	3587	sub emergency_save() {
3273	my $freeze_guard = cf::freeze_mainloop;	3588	my $freeze_guard = cf::freeze_mainloop;
3274		3589
3275	warn "enter emergency perl save\n";	3590	warn "emergency_perl_save: enter\n";
3276		3591
3277	cf::sync_job {	3592	cf::sync_job {
		3593	# this is a trade-off: we want to be very quick here, so
		3594	# save all maps without fsync, and later call a global sync
		3595	# (which in turn might be very very slow)
		3596	local $USE_FSYNC = 0;
		3597
3278	# use a peculiar iteration method to avoid tripping on perl	3598	# use a peculiar iteration method to avoid tripping on perl
3279	# refcount bugs in for. also avoids problems with players	3599	# refcount bugs in for. also avoids problems with players
3280	# and maps saved/destroyed asynchronously.	3600	# and maps saved/destroyed asynchronously.
3281	warn "begin emergency player save\n";	3601	warn "emergency_perl_save: begin player save\n";
3282	for my $login (keys %cf::PLAYER) {	3602	for my $login (keys %cf::PLAYER) {
3283	my $pl = $cf::PLAYER{$login} or next;	3603	my $pl = $cf::PLAYER{$login} or next;
3284	$pl->valid or next;	3604	$pl->valid or next;
3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3286	$pl->save;	3606	$pl->save;
3287	}	3607	}
3288	warn "end emergency player save\n";	3608	warn "emergency_perl_save: end player save\n";
3289		3609
3290	warn "begin emergency map save\n";	3610	warn "emergency_perl_save: begin map save\n";
3291	for my $path (keys %cf::MAP) {	3611	for my $path (keys %cf::MAP) {
3292	my $map = $cf::MAP{$path} or next;	3612	my $map = $cf::MAP{$path} or next;
3293	$map->valid or next;	3613	$map->valid or next;
3294	$map->save;	3614	$map->save;
3295	}	3615	}
3296	warn "end emergency map save\n";	3616	warn "emergency_perl_save: end map save\n";
3297		3617
3298	warn "begin emergency database checkpoint\n";	3618	warn "emergency_perl_save: begin database checkpoint\n";
3299	BDB::db_env_txn_checkpoint $DB_ENV;	3619	BDB::db_env_txn_checkpoint $DB_ENV;
3300	warn "end emergency database checkpoint\n";	3620	warn "emergency_perl_save: end database checkpoint\n";
		3621
		3622	warn "emergency_perl_save: begin write uuid\n";
		3623	write_uuid_sync 1;
		3624	warn "emergency_perl_save: end write uuid\n";
3301	};	3625	};
3302		3626
		3627	warn "emergency_perl_save: starting sync()\n";
		3628	IO::AIO::aio_sync sub {
		3629	warn "emergency_perl_save: finished sync()\n";
		3630	};
		3631
3303	warn "leave emergency perl save\n";	3632	warn "emergency_perl_save: leave\n";
3304	}	3633	}
3305		3634
3306	sub post_cleanup {	3635	sub post_cleanup {
3307	my ($make_core) = @_;	3636	my ($make_core) = @_;
3308		3637
3309	warn Carp::longmess "post_cleanup backtrace"	3638	warn Carp::longmess "post_cleanup backtrace"
3310	if $make_core;	3639	if $make_core;
		3640
		3641	my $fh = pidfile;
		3642	unlink $PIDFILE if <$fh> == $$;
		3643	}
		3644
		3645	# a safer delete_package, copied from Symbol
		3646	sub clear_package($) {
		3647	my $pkg = shift;
		3648
		3649	# expand to full symbol table name if needed
		3650	unless ($pkg =~ /^main::.*::$/) {
		3651	$pkg = "main$pkg" if $pkg =~ /^::/;
		3652	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3653	$pkg .= '::' unless $pkg =~ /::$/;
		3654	}
		3655
		3656	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3657	my $stem_symtab = *{$stem}{HASH};
		3658
		3659	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3660	or return;
		3661
		3662	# clear all symbols
		3663	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3664	for my $name (keys %$leaf_symtab) {
		3665	_gv_clear *{"$pkg$name"};
		3666	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3667	}
		3668	warn "cleared package $pkg\n";#d#
3311	}	3669	}
3312		3670
3313	sub do_reload_perl() {	3671	sub do_reload_perl() {
3314	# can/must only be called in main	3672	# can/must only be called in main
3315	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
3316	warn "can only reload from main coroutine";	3674	warn "can only reload from main coroutine";
3317	return;	3675	return;
3318	}	3676	}
3319		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
3320	warn "reloading...";	3683	warn "reloading...";
3321		3684
3322	warn "entering sync_job";	3685	warn "entering sync_job";
3323		3686
3324	cf::sync_job {	3687	cf::sync_job {
3325	cf::write_runtime; # external watchdog should not bark	3688	cf::write_runtime_sync; # external watchdog should not bark
3326	cf::emergency_save;	3689	cf::emergency_save;
3327	cf::write_runtime; # external watchdog should not bark	3690	cf::write_runtime_sync; # external watchdog should not bark
3328		3691
3329	warn "syncing database to disk";	3692	warn "syncing database to disk";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3693	BDB::db_env_txn_checkpoint $DB_ENV;
3331		3694
3332	# if anything goes wrong in here, we should simply crash as we already saved	3695	# if anything goes wrong in here, we should simply crash as we already saved
3333		3696
3334	warn "cancelling all WF_AUTOCANCEL watchers";
3335	for (Event::all_watchers) {
3336	$_->cancel if $_->data & WF_AUTOCANCEL;
3337	}
3338
3339	warn "flushing outstanding aio requests";	3697	warn "flushing outstanding aio requests";
3340	for (;;) {
3341	BDB::flush;
3342	IO::AIO::flush;
3343	Coro::cede;
3344	last unless IO::AIO::nreqs || BDB::nreqs;	3698	while (IO::AIO::nreqs || BDB::nreqs) {
3345	warn "iterate...";	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3346	}
3347
3348	++$RELOAD;
3349
3350	warn "cancelling all extension coros";
3351	$_->cancel for values %EXT_CORO;
3352	%EXT_CORO = ();
3353
3354	warn "removing commands";
3355	%COMMAND = ();
3356
3357	warn "removing ext/exti commands";
3358	%EXTCMD = ();
3359	%EXTICMD = ();
3360
3361	warn "unloading/nuking all extensions";
3362	for my $pkg (@EXTS) {
3363	warn "... unloading $pkg";
3364
3365	if (my $cb = $pkg->can ("unload")) {
3366	eval {
3367	$cb->($pkg);
3368	1
3369	} or warn "$pkg unloaded, but with errors: $@";
3370	}	3700	}
3371		3701
3372	warn "... nuking $pkg";	3702	warn "cancelling all extension coros";
3373	Symbol::delete_package $pkg;	3703	$_->cancel for values %EXT_CORO;
3374	}	3704	%EXT_CORO = ();
3375		3705
3376	warn "unloading all perl modules loaded from $LIBDIR";	3706	warn "removing commands";
3377	while (my ($k, $v) = each %INC) {	3707	%COMMAND = ();
3378	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3379		3708
		3709	warn "removing ext/exti commands";
		3710	%EXTCMD = ();
		3711	%EXTICMD = ();
		3712
		3713	warn "unloading/nuking all extensions";
		3714	for my $pkg (@EXTS) {
3380	warn "... unloading $k";	3715	warn "... unloading $pkg";
3381	delete $INC{$k};
3382		3716
3383	$k =~ s/\.pm$//;
3384	$k =~ s/\//::/g;
3385
3386	if (my $cb = $k->can ("unload_module")) {	3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
3387	$cb->();	3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
3388	}	3726	}
3389		3727
3390	Symbol::delete_package $k;	3728	warn "unloading all perl modules loaded from $LIBDIR";
		3729	while (my ($k, $v) = each %INC) {
		3730	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3731
		3732	warn "... unloading $k";
		3733	delete $INC{$k};
		3734
		3735	$k =~ s/\.pm$//;
		3736	$k =~ s/\//::/g;
		3737
		3738	if (my $cb = $k->can ("unload_module")) {
		3739	$cb->();
		3740	}
		3741
		3742	clear_package $k;
3391	}	3743	}
3392		3744
3393	warn "getting rid of safe::, as good as possible";	3745	warn "getting rid of safe::, as good as possible";
3394	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3747	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3396		3748
3397	warn "unloading cf.pm \"a bit\"";	3749	warn "unloading cf.pm \"a bit\"";
3398	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
3399	delete $INC{"cf/pod.pm"};	3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3400		3752
3401	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
3402	# and global variables created in xs	3754	# and global variables created in xs
3403	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
3404		3756
3405	warn "unload completed, starting to reload now";	3757	warn "unload completed, starting to reload now";
3406		3758
3407	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
3408	require cf;	3760	require cf;
3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3410		3762
3411	warn "loading config and database again";	3763	warn "loading config and database again";
3412	cf::reload_config;	3764	cf::reload_config;
3413		3765
3414	warn "loading extensions";	3766	warn "loading extensions";
3415	cf::load_extensions;	3767	cf::load_extensions;
3416		3768
		3769	if ($REATTACH_ON_RELOAD) {
3417	warn "reattaching attachments to objects/players";	3770	warn "reattaching attachments to objects/players";
3418	_global_reattach; # objects, sockets	3771	_global_reattach; # objects, sockets
3419	warn "reattaching attachments to maps";	3772	warn "reattaching attachments to maps";
3420	reattach $_ for values %MAP;	3773	reattach $_ for values %MAP;
3421	warn "reattaching attachments to players";	3774	warn "reattaching attachments to players";
3422	reattach $_ for values %PLAYER;	3775	reattach $_ for values %PLAYER;
		3776	}
3423		3777
		3778	warn "running post_init jobs";
		3779	(pop @POST_INIT)->(1) while @POST_INIT;
		3780
3424	warn "leaving sync_job";	3781	warn "leaving sync_job";
3425		3782
3426	1	3783	1
3427	} or do {	3784	} or do {
3428	warn $@;	3785	warn $@;
3429	warn "error while reloading, exiting.";	3786	cf::cleanup "error while reloading, exiting.";
3430	exit 1;
3431	};	3787	};
3432		3788
3433	warn "reloaded";	3789	warn "reloaded";
		3790	--$RELOAD;
		3791	}
		3792
		3793	$t1 = EV::time - $t1;
		3794	warn "reload completed in ${t1}s\n";
3434	};	3795	};
3435		3796
3436	our $RELOAD_WATCHER; # used only during reload	3797	our $RELOAD_WATCHER; # used only during reload
3437		3798
3438	sub reload_perl() {	3799	sub reload_perl() {
3439	# doing reload synchronously and two reloads happen back-to-back,	3800	# doing reload synchronously and two reloads happen back-to-back,
3440	# coro crashes during coro_state_free->destroy here.	3801	# coro crashes during coro_state_free->destroy here.
3441		3802
3442	$RELOAD_WATCHER ||= Event->timer (	3803	$RELOAD_WATCHER ||= cf::async {
3443	reentrant => 0,	3804	Coro::AIO::aio_wait cache_extensions;
3444	after => 0,	3805
3445	data => WF_AUTOCANCEL,	3806	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3446	cb => sub {
3447	do_reload_perl;	3807	do_reload_perl;
3448	undef $RELOAD_WATCHER;	3808	undef $RELOAD_WATCHER;
3449	},	3809	};
3450	);	3810	};
3451	}	3811	}
3452		3812
3453	register_command "reload" => sub {	3813	register_command "reload" => sub {
3454	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
3455		3815
…		…
3468		3828
3469	our @WAIT_FOR_TICK;	3829	our @WAIT_FOR_TICK;
3470	our @WAIT_FOR_TICK_BEGIN;	3830	our @WAIT_FOR_TICK_BEGIN;
3471		3831
3472	sub wait_for_tick {	3832	sub wait_for_tick {
3473	return unless $TICK_WATCHER->is_active;
3474	return if $Coro::current == $Coro::main;	3833	return if tick_inhibit || $Coro::current == $Coro::main;
3475		3834
3476	my $signal = new Coro::Signal;	3835	my $signal = new Coro::Signal;
3477	push @WAIT_FOR_TICK, $signal;	3836	push @WAIT_FOR_TICK, $signal;
3478	$signal->wait;	3837	$signal->wait;
3479	}	3838	}
3480		3839
3481	sub wait_for_tick_begin {	3840	sub wait_for_tick_begin {
3482	return unless $TICK_WATCHER->is_active;
3483	return if $Coro::current == $Coro::main;	3841	return if tick_inhibit || $Coro::current == $Coro::main;
3484		3842
3485	my $signal = new Coro::Signal;	3843	my $signal = new Coro::Signal;
3486	push @WAIT_FOR_TICK_BEGIN, $signal;	3844	push @WAIT_FOR_TICK_BEGIN, $signal;
3487	$signal->wait;	3845	$signal->wait;
3488	}	3846	}
3489		3847
3490	$TICK_WATCHER = Event->timer (	3848	sub tick {
3491	reentrant => 0,
3492	parked => 1,
3493	prio => 0,
3494	at => $NEXT_TICK || $TICK,
3495	data => WF_AUTOCANCEL,
3496	cb => sub {
3497	if ($Coro::current != $Coro::main) {	3849	if ($Coro::current != $Coro::main) {
3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3850	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3499	unless ++$bug_warning > 10;	3851	unless ++$bug_warning > 10;
3500	return;	3852	return;
3501	}	3853	}
3502		3854
3503	$NOW = $tick_start = Event::time;
3504
3505	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
3506		3856
3507	$RUNTIME += $TICK;
3508	$NEXT_TICK += $TICK;
3509
3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3511	$NEXT_RUNTIME_WRITE = $NOW + 10;	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3512	Coro::async_pool {	3859	Coro::async_pool {
3513	$Coro::current->{desc} = "runtime saver";	3860	$Coro::current->{desc} = "runtime saver";
3514	write_runtime	3861	write_runtime_sync
3515	or warn "ERROR: unable to write runtime file: $!";	3862	or warn "ERROR: unable to write runtime file: $!";
3516	};
3517	}	3863	};
		3864	}
3518		3865
3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3866	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3520	$sig->send;	3867	$sig->send;
3521	}	3868	}
3522	while (my $sig = shift @WAIT_FOR_TICK) {	3869	while (my $sig = shift @WAIT_FOR_TICK) {
3523	$sig->send;	3870	$sig->send;
3524	}	3871	}
3525		3872
3526	$NOW = Event::time;	3873	$LOAD = ($NOW - $TICK_START) / $TICK;
3527
3528	# if we are delayed by four ticks or more, skip them all
3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3530
3531	$TICK_WATCHER->at ($NEXT_TICK);
3532	$TICK_WATCHER->start;
3533
3534	$LOAD = ($NOW - $tick_start) / $TICK;
3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3874	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3536		3875
3537	_post_tick;	3876	if (0) {
		3877	if ($NEXT_TICK) {
		3878	my $jitter = $TICK_START - $NEXT_TICK;
		3879	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3880	warn "jitter $JITTER\n";#d#
		3881	}
3538	},	3882	}
3539	);	3883	}
3540		3884
3541	{	3885	{
		3886	# configure BDB
		3887
3542	BDB::min_parallel 8;	3888	BDB::min_parallel 8;
3543	BDB::max_poll_time $TICK * 0.1;	3889	BDB::max_poll_reqs $TICK * 0.1;
3544	$BDB_POLL_WATCHER = Event->io (	3890	$AnyEvent::BDB::WATCHER->priority (1);
3545	reentrant => 0,
3546	fd => BDB::poll_fileno,
3547	poll => 'r',
3548	prio => 0,
3549	data => WF_AUTOCANCEL,
3550	cb => \&BDB::poll_cb,
3551	);
3552
3553	BDB::set_sync_prepare {
3554	my $status;
3555	my $current = $Coro::current;
3556	(
3557	sub {
3558	$status = $!;
3559	$current->ready; undef $current;
3560	},
3561	sub {
3562	Coro::schedule while defined $current;
3563	$! = $status;
3564	},
3565	)
3566	};
3567		3891
3568	unless ($DB_ENV) {	3892	unless ($DB_ENV) {
3569	$DB_ENV = BDB::db_env_create;	3893	$DB_ENV = BDB::db_env_create;
3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3894	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3571	| BDB::LOG_AUTOREMOVE, 1);	3895	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3896	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3897	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3898	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3574		3899
3575	cf::sync_job {	3900	cf::sync_job {
3576	eval {	3901	eval {
…		…
3586		3911
3587	cf::cleanup "db_env_open(db): $@" if $@;	3912	cf::cleanup "db_env_open(db): $@" if $@;
3588	};	3913	};
3589	}	3914	}
3590		3915
3591	$BDB_DEADLOCK_WATCHER = Event->timer (	3916	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3592	after => 3,
3593	interval => 1,
3594	hard => 1,
3595	prio => 0,
3596	data => WF_AUTOCANCEL,
3597	cb => sub {
3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3917	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3599	},
3600	);	3918	};
3601	$BDB_CHECKPOINT_WATCHER = Event->timer (	3919	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3602	after => 11,
3603	interval => 60,
3604	hard => 1,
3605	prio => 0,
3606	data => WF_AUTOCANCEL,
3607	cb => sub {
3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3920	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3609	},
3610	);	3921	};
3611	$BDB_TRICKLE_WATCHER = Event->timer (	3922	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3612	after => 5,
3613	interval => 10,
3614	hard => 1,
3615	prio => 0,
3616	data => WF_AUTOCANCEL,
3617	cb => sub {
3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3923	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3619	},
3620	);	3924	};
3621	}	3925	}
3622		3926
3623	{	3927	{
		3928	# configure IO::AIO
		3929
3624	IO::AIO::min_parallel 8;	3930	IO::AIO::min_parallel 8;
3625
3626	undef $Coro::AIO::WATCHER;
3627	IO::AIO::max_poll_time $TICK * 0.1;	3931	IO::AIO::max_poll_time $TICK * 0.1;
3628	$AIO_POLL_WATCHER = Event->io (	3932	undef $AnyEvent::AIO::WATCHER;
3629	reentrant => 0,
3630	data => WF_AUTOCANCEL,
3631	fd => IO::AIO::poll_fileno,
3632	poll => 'r',
3633	prio => 0,
3634	cb => \&IO::AIO::poll_cb,
3635	);
3636	}	3933	}
3637		3934
3638	my $_log_backtrace;	3935	my $_log_backtrace;
3639		3936
3640	sub _log_backtrace {	3937	sub _log_backtrace {
…		…
3643	$msg =~ s/\n//;	3940	$msg =~ s/\n//;
3644		3941
3645	# limit the # of concurrent backtraces	3942	# limit the # of concurrent backtraces
3646	if ($_log_backtrace < 2) {	3943	if ($_log_backtrace < 2) {
3647	++$_log_backtrace;	3944	++$_log_backtrace;
		3945	my $perl_bt = Carp::longmess $msg;
3648	async {	3946	async {
3649	$Coro::current->{desc} = "abt $msg";	3947	$Coro::current->{desc} = "abt $msg";
3650		3948
3651	my @bt = fork_call {	3949	my @bt = fork_call {
3652	@addr = map { sprintf "%x", $_ } @addr;	3950	@addr = map { sprintf "%x", $_ } @addr;
…		…
3663	}	3961	}
3664		3962
3665	@funcs	3963	@funcs
3666	};	3964	};
3667		3965
3668	LOG llevInfo, "[ABT] $msg\n";	3966	LOG llevInfo, "[ABT] $perl_bt\n";
		3967	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3669	LOG llevInfo, "[ABT] $_\n" for @bt;	3968	LOG llevInfo, "[ABT] $_\n" for @bt;
3670	--$_log_backtrace;	3969	--$_log_backtrace;
3671	};	3970	};
3672	} else {	3971	} else {
3673	LOG llevInfo, "[ABT] $msg\n";	3972	LOG llevInfo, "[ABT] $msg\n";
3674	LOG llevInfo, "[ABT] [suppressed]\n";	3973	LOG llevInfo, "[ABT] [suppressed]\n";
3675	}	3974	}
3676	}	3975	}
3677		3976
3678	# load additional modules	3977	# load additional modules
3679	use cf::pod;	3978	require "cf/$_.pm" for @EXTRA_MODULES;
3680		3979
3681	END { cf::emergency_save }	3980	END { cf::emergency_save }
3682		3981
3683	1	3982	1
3684		3983

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