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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC vs.
Revision 1.485 by root, Mon Oct 12 14:12:54 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
13	use Storable ();	36	use Storable ();
14		37
		38	use Guard ();
15	use Coro 4.1 ();	39	use Coro ();
16	use Coro::State;	40	use Coro::State;
17	use Coro::Handle;	41	use Coro::Handle;
		42	use Coro::EV;
18	use Coro::Event;	43	use Coro::AnyEvent;
19	use Coro::Timer;	44	use Coro::Timer;
20	use Coro::Signal;	45	use Coro::Signal;
21	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
22	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
23	use Coro::Storable;	51	use Coro::Storable;
24	use Coro::Util ();	52	use Coro::Util ();
25		53
26	use JSON::XS ();	54	use JSON::XS 2.01 ();
27	use BDB ();	55	use BDB ();
28	use Data::Dumper;	56	use Data::Dumper;
29	use Digest::MD5;	57	use Digest::MD5;
30	use Fcntl;	58	use Fcntl;
31	use YAML::Syck ();	59	use YAML::XS ();
32	use IO::AIO 2.51 ();	60	use IO::AIO ();
33	use Time::HiRes;	61	use Time::HiRes;
34	use Compress::LZF;	62	use Compress::LZF;
35	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
36		66
37	# configure various modules to our taste	67	# configure various modules to our taste
38	#	68	#
39	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		77
43	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
44		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		80
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
75		112
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	115	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		117
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	121	our $DB_ENV;
89		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
90	our %CFG;	125	our %CFG;
91		126
92	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
94		130
95	our (%PLAYER, %PLAYER_LOADING); # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
98		134
99	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		137
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
105		147
106	binmode STDOUT;	148	binmode STDOUT;
107	binmode STDERR;	149	binmode STDERR;
108		150
109	# read virtual server time, if available	151	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
114	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
115		159
116	mkdir $_	160	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		162
119	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
120		164
121	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		177
123	#############################################################################	178	#############################################################################
124		179
125	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
126		181
…		…
162		217
163	The raw value load value from the last tick.	218	The raw value load value from the last tick.
164		219
165	=item %cf::CFG	220	=item %cf::CFG
166		221
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	223	from wherever your confdir points to.
169		224
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		226
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
177		232
178	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	235	that call.
181		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
182	=back	243	=back
183		244
184	=cut	245	=cut
185		246
186	BEGIN {	247	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	248	my $msg = join "", @_;
189		249
190	$msg .= "\n"	250	$msg .= "\n"
191	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
192		252
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		254
195	LOG llevError, $msg;	255	LOG llevError, $msg;
196	};	256	};
197	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
198		271
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	282	for my $pkg (qw(
210	cf::global cf::attachable	283	cf::global cf::attachable
211	cf::object cf::object::player	284	cf::object cf::object::player
212	cf::client cf::player	285	cf::client cf::player
213	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
214	cf::map cf::party cf::region	288	cf::party cf::region
215	)) {	289	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	291	}
219		292
220	$Event::DIED = sub {	293	$EV::DIED = sub {
221	warn "error in event callback: @_";	294	warn "error in event callback: @_";
222	};	295	};
223		296
224	#############################################################################	297	#############################################################################
225		298
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	322	$d
250	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
251	}	324	}
252		325
253	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
254		327
255	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
256		329
257	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
258		331
259	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
260		333
261	=cut	334	=cut
262		335
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		337
265	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
267		354
268	=item cf::lock_wait $string	355	=item cf::lock_wait $string
269		356
270	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
271		358
272	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
273		360
274	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
277	returned.	364	returned.
278		365
279	Locks are *not* recursive, locking from the same coro twice results in a	366	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	367	deadlocked coro.
…		…
286		373
287	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
288		375
289	=cut	376	=cut
290		377
291	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		379
294	sub lock_wait($) {	380	sub lock_wait($) {
295	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	382	}
308		383
309	sub lock_acquire($) {	384	sub lock_acquire($) {
310	my ($key) = @_;	385	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	386	}
324		387
325	sub lock_active($) {	388	sub lock_active($) {
326	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	390	}
330		391
331	sub freeze_mainloop {	392	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
333		394
334	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	396	}
336	};	397
337	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
338	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
339	}	411	}
340		412
341	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
342		414
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	455	}
384	}	456	}
385	};	457	};
386		458
387	sub get_slot($;$$) {	459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
388	my ($time, $pri, $name) = @_;	462	my ($time, $pri, $name) = @_;
389		463
390	$time = $TICK * .6 if $time > $TICK * .6;	464	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	465	my $sig = new Coro::Signal;
392		466
…		…
406		480
407	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
408		482
409	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
410		484
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	485	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	486	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	488	acceptable.
415		489
416	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		496
423	sub sync_job(&) {	497	sub sync_job(&) {
424	my ($job) = @_;	498	my ($job) = @_;
425		499
426	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	501	my $time = EV::time;
428		502
429	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
431		505
432	LOG llevError, Carp::longmess "sync job";#d#	506	LOG llevError, Carp::longmess "sync job";#d#
433		507
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
437		509
438	my $busy = 1;	510	my $busy = 1;
439	my @res;	511	my @res;
440		512
…		…
447		519
448	while ($busy) {	520	while ($busy) {
449	if (Coro::nready) {	521	if (Coro::nready) {
450	Coro::cede_notself;	522	Coro::cede_notself;
451	} else {	523	} else {
452	Event::one_event;	524	EV::loop EV::LOOP_ONESHOT;
453	}	525	}
454	}	526	}
455		527
456	$time = Event::time - $time;	528	my $time = EV::time - $time;
457		529
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
462		531
463	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
464	} else {	533	} else {
465	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
466		535
…		…
491	=item fork_call { }, $args	560	=item fork_call { }, $args
492		561
493	Executes the given code block with the given arguments in a seperate	562	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	564	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
497		566
498	=cut	567	=cut
499		568
500	sub fork_call(&@) {	569	sub fork_call(&@) {
501	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
…		…
508	reset_signals;	577	reset_signals;
509	&$cb	578	&$cb
510	}, @args;	579	}, @args;
511		580
512	wantarray ? @res : $res[-1]	581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
513	}	609	}
514		610
515	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
516		612
517	Returns a single value from the environment database.	613	Returns a single value from the environment database.
…		…
656		752
657	#############################################################################	753	#############################################################################
658		754
659	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
660		756
661	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
664		760
665	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	763	Deliantra).
668		764
669	=over 4	765	=over 4
670		766
671	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
672		768
…		…
716	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
717		813
718	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
720		816
721	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
723		819
724	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
725		821
726	=over 4	822	=over 4
…		…
954	}	1050	}
955		1051
956	0	1052	0
957	}	1053	}
958		1054
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1056
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1058
963	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
964		1060
…		…
1017		1113
1018	sub reattach {	1114	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1116	my ($obj) = @_;
1021		1117
		1118	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1120
1024	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
1025		1122
1026	@$registry = ();	1123	@$registry = ();
1027		1124
…		…
1042	cf::attachable->attach (	1139	cf::attachable->attach (
1043	prio => -1000000,	1140	prio => -1000000,
1044	on_instantiate => sub {	1141	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
1046		1143
1047	$data = from_json $data;	1144	$data = decode_json $data;
1048		1145
1049	for (@$data) {	1146	for (@$data) {
1050	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
1051		1148
1052	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1170	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1076		1173
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1177	if ($cf::USE_FSYNC) {
		1178	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1179	aio_fsync $fh;
		1180	}
1081	close $fh;	1181	aio_close $fh;
1082		1182
1083	if (@$objs) {	1183	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1188	if ($cf::USE_FSYNC) {
		1189	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1190	aio_fsync $fh;
		1191	}
1089	close $fh;	1192	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1194	}
1092	} else {	1195	} else {
1093	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1094	}	1197	}
1095		1198
1096	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1203	} else {
1098	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1099	}	1205	}
1100	} else {	1206	} else {
1101	aio_unlink $filename;	1207	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1103	}	1209	}
…		…
1122		1228
1123	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
1124	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
1125	or return;	1231	or return;
1126		1232
1127	my $st = eval { Coro::Storable::thaw $av }	1233	my $st = eval { Coro::Storable::thaw $av };
1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1129	$av = $st->{objs};	1234	$av = $st->{objs};
1130	}	1235	}
1131		1236
1132	utf8::decode (my $decname = $filename);	1237	utf8::decode (my $decname = $filename);
1133	warn sprintf "loading %s (%d,%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
…		…
1195	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1196		1301
1197	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1198	}	1303	}
1199		1304
		1305	use File::Glob ();
		1306
1200	cf::player->attach (	1307	cf::player->attach (
1201	on_command => sub {	1308	on_command => sub {
1202	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1203		1310
1204	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1236		1343
1237	cf::override;	1344	cf::override;
1238	},	1345	},
1239	);	1346	);
1240		1347
		1348	# "readahead" all extensions
		1349	sub cache_extensions {
		1350	my $grp = IO::AIO::aio_group;
		1351
		1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1353	for (grep /\.ext$/, @{$_[0]}) {
		1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1355	}
		1356	};
		1357
		1358	$grp
		1359	}
		1360
1241	sub load_extensions {	1361	sub load_extensions {
1242	cf::sync_job {	1362	cf::sync_job {
1243	my %todo;	1363	my %todo;
1244		1364
1245	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1264		1384
1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1267		1387
1268	$ext{source} =	1388	$ext{source} =
1269	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1270	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1271	. $source	1391	. $source
1272	. "\n};\n1";	1392	. "\n};\n1";
1273		1393
1274	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1290	my $msg = $@ ? "$v->{path}: $@\n"	1410	my $msg = $@ ? "$v->{path}: $@\n"
1291	: "$v->{base}: extension inactive.\n";	1411	: "$v->{base}: extension inactive.\n";
1292		1412
1293	if (exists $v->{meta}{mandatory}) {	1413	if (exists $v->{meta}{mandatory}) {
1294	warn $msg;	1414	warn $msg;
1295	warn "mandatory extension failed to load, exiting.\n";	1415	cf::cleanup "mandatory extension failed to load, exiting.";
1296	exit 1;
1297	}	1416	}
1298		1417
1299	warn $msg;	1418	warn $msg;
1300	}	1419	}
1301		1420
…		…
1315		1434
1316	=back	1435	=back
1317		1436
1318	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1319		1438
1320	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1321		1440
1322	=cut	1441	=cut
1323		1442
1324	package cf::player;	1443	package cf::player;
1325		1444
…		…
1368		1487
1369	sub exists($) {	1488	sub exists($) {
1370	my ($login) = @_;	1489	my ($login) = @_;
1371		1490
1372	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1373	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1374	}	1493	}
1375		1494
1376	sub find($) {	1495	sub find($) {
1377	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1378	my $login = $_[0];	1497	my $login = $_[0];
…		…
1390	my $f = new_from_file cf::object::thawer path $login	1509	my $f = new_from_file cf::object::thawer path $login
1391	or return;	1510	or return;
1392		1511
1393	my $pl = cf::player::load_pl $f	1512	my $pl = cf::player::load_pl $f
1394	or return;	1513	or return;
		1514
1395	local $cf::PLAYER_LOADING{$login} = $pl;	1515	local $cf::PLAYER_LOADING{$login} = $pl;
1396	$f->resolve_delayed_derefs;	1516	$f->resolve_delayed_derefs;
1397	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1398	}	1518	}
1399	}	1519	}
…		…
1409		1529
1410	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1411		1531
1412	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1413	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
		1534
		1535	cf::get_slot 0.01;
1414		1536
1415	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1416	cf::cede_to_tick;	1538	cf::cede_to_tick;
1417	}	1539	}
1418		1540
…		…
1450	my ($pl) = @_;	1572	my ($pl) = @_;
1451		1573
1452	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1453		1575
1454	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1455	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1456		1578
1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1458	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1459	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1460	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1461		1585
1462	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1463	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1502		1626
1503	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
1504	my $path = path $login;	1628	my $path = path $login;
1505		1629
1506	# a .pst is a dead give-away for a valid player	1630	# a .pst is a dead give-away for a valid player
1507	unless (-e "$path.pst") {	1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1509	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1510	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
1511	}	1636	}
1512		1637
…		…
1543	}	1668	}
1544		1669
1545	\@paths	1670	\@paths
1546	}	1671	}
1547		1672
1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1549		1674
1550	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1551
1552	=cut
1553
1554	sub expand_cfpod {
1555	((my $self), (local $_)) = @_;
1556
1557	# escape & and <
1558	s/&/&amp;/g;
1559	s/(?<![BIUGHT])</&lt;/g;
1560
1561	# this is buggy, it needs to properly take care of nested <'s
1562
1563	1 while
1564	# replace B<>, I<>, U<> etc.
1565	s/B<([^\>]*)>/<b>$1<\/b>/
1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1569	# replace G<male|female> tags
1570	|| s{G<([^>|]*)\|([^>]*)>}{
1571	$self->gender ? $2 : $1
1572	}ge
1573	# replace H<hint text>
1574	|| s{H<([^\>]*)>}
1575	{
1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1578	"")
1579	[$self->{hintmode}]
1580	}ge;
1581
1582	# create single paragraphs (very hackish)
1583	s/(?<=\S)\n(?=\w)/ /g;
1584
1585	# compress some whitespace
1586	s/\s+\n/\n/g; # ws line-ends
1587	s/\n\n+/\n/g; # double lines
1588	s/^\n+//; # beginning lines
1589	s/\n+$//; # ending lines
1590
1591	$_
1592	}
1593
1594	sub hintmode {
1595	$_[0]{hintmode} = $_[1] if @_ > 1;
1596	$_[0]{hintmode}
1597	}
1598		1676
1599	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1600		1678
1601	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1602		1680
…		…
1669	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1670	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1671		1749
1672	sub generate_random_map {	1750	sub generate_random_map {
1673	my ($self, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1754
1674	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1675	$self->_create_random_map (	1756	$self->_create_random_map (
1676	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1677	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1678	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1800		1881
1801	# the temporary/swap location	1882	# the temporary/swap location
1802	sub save_path {	1883	sub save_path {
1803	my ($self) = @_;	1884	my ($self) = @_;
1804		1885
1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1806	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1807	}	1888	}
1808		1889
1809	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1810	sub uniq_path {	1891	sub uniq_path {
1811	my ($self) = @_;	1892	my ($self) = @_;
1812		1893
1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1814	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1815	}
1816
1817	# and all this just because we cannot iterate over
1818	# all maps in C++...
1819	sub change_all_map_light {
1820	my ($change) = @_;
1821
1822	$_->change_map_light ($change)
1823	for grep $_->outdoor, values %cf::MAP;
1824	}	1896	}
1825		1897
1826	sub decay_objects {	1898	sub decay_objects {
1827	my ($self) = @_;	1899	my ($self) = @_;
1828		1900
…		…
1912	sub find {	1984	sub find {
1913	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1914		1986
1915	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1916		1988
1917	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1918	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1919		1991
1920	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1921	my $guard1 = cf::lock_acquire "map_find:$path";
1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1923
1924	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1925	or return;	1994	or return;
1926		1995
1927	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1928		1997
…		…
1930	or return;	1999	or return;
1931		2000
1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1933	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1934	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
1935	undef $guard1;	2005	undef $guard1;
1936	undef $guard2;
1937	$map->reset;	2006	$map->reset;
1938	return find $path;	2007	return find $path;
1939	}	2008	}
1940		2009
1941	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
…		…
1968	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
1969	$f->skip_block;	2038	$f->skip_block;
1970	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
1971	or return;	2040	or return;
1972		2041
1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1974	if delete $self->{load_original};	2043	if delete $self->{load_original};
1975		2044
1976	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1977	utf8::encode $uniq;	2046	utf8::encode $uniq;
1978	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
1996	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
1997	$self->decay_objects;	2066	$self->decay_objects;
1998	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
1999	$self->update_buttons;	2068	$self->update_buttons;
2000	cf::cede_to_tick;	2069	cf::cede_to_tick;
2001	$self->set_darkness_map;
2002	cf::cede_to_tick;
2003	$self->activate;	2070	$self->activate;
2004	}	2071	}
2005		2072
2006	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
2007	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
2008		2075
2009	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
2010	}	2077	}
2011		2078
2012	$self->post_load;	2079	$self->post_load;
2013	}	2080	}
2014		2081
…		…
2072	my ($path, $origin, $load) = @_;	2139	my ($path, $origin, $load) = @_;
2073		2140
2074	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
2075		2142
2076	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2078	}	2145	}
2079		2146
2080	$MAP_PREFETCH{$path} |= $load;	2147	$MAP_PREFETCH{$path} |= $load;
2081		2148
2082	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
…		…
2119	cf::async {	2186	cf::async {
2120	$Coro::current->{desc} = "map player save";	2187	$Coro::current->{desc} = "map player save";
2121	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
2122	};	2189	};
2123		2190
		2191	cf::get_slot 0.02;
		2192
2124	if ($uniq) {	2193	if ($uniq) {
2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2126	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2127	} else {	2196	} else {
2128	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2136	$self->save;	2205	$self->save;
2137		2206
2138	my $lock = cf::lock_acquire "map_data:$self->{path}";	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
2139		2208
2140	return if $self->players;	2209	return if $self->players;
2141	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
2142	return if $self->{deny_save};	2211	return if $self->{deny_save};
2143		2212
2144	$self->in_memory (cf::MAP_SWAPPED);	2213	$self->in_memory (cf::MAP_SWAPPED);
2145		2214
2146	$self->deactivate;	2215	$self->deactivate;
…		…
2171		2240
2172	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2173		2242
2174	return if $self->players;	2243	return if $self->players;
2175		2244
2176	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2177		2246
2178	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2179		2248
2180	# need to save uniques path	2249	# need to save uniques path
2181	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2264		2333
2265	sub unique_maps() {	2334	sub unique_maps() {
2266	[	2335	[
2267	map {	2336	map {
2268	utf8::decode $_;	2337	utf8::decode $_;
2269	/\.map$/	2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
2270	? normalise $_	2341	: normalise $_
2271	: ()
2272	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2273	]	2343	]
2274	}	2344	}
2275		2345
2276	package cf;
2277
2278	=back	2346	=back
2279		2347
2280	=head3 cf::object	2348	=head3 cf::object
2281		2349
2282	=cut	2350	=cut
…		…
2285		2353
2286	=over 4	2354	=over 4
2287		2355
2288	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
2289		2357
2290	Returns the inventory of the object _and_ their inventories, recursively.	2358	Returns the inventory of the object I<and> their inventories, recursively,
		2359	but I<not> the object itself.
2291		2360
2292	=cut	2361	=cut
2293		2362
2294	sub inv_recursive_;	2363	sub inv_recursive_;
2295	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
2300	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
2301	}	2370	}
2302		2371
2303	=item $ref = $ob->ref	2372	=item $ref = $ob->ref
2304		2373
2305	creates and returns a persistent reference to an objetc that can be stored as a string.	2374	Creates and returns a persistent reference to an object that can be stored as a string.
2306		2375
2307	=item $ob = cf::object::deref ($refstring)	2376	=item $ob = cf::object::deref ($refstring)
2308		2377
2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2378	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2310	even if the object actually exists. May block.	2379	even if the object actually exists. May block.
…		…
2342	can be C<undef>. Does the right thing when the player is currently in a	2411	can be C<undef>. Does the right thing when the player is currently in a
2343	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
2344		2413
2345	=cut	2414	=cut
2346		2415
		2416	our $SAY_CHANNEL = {
		2417	id => "say",
		2418	title => "Map",
		2419	reply => "say ",
		2420	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2421	};
		2422
		2423	our $CHAT_CHANNEL = {
		2424	id => "chat",
		2425	title => "Chat",
		2426	reply => "chat ",
		2427	tooltip => "Player chat and shouts, global to the server.",
		2428	};
		2429
2347	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
2348	# with dialog boxes.	2431	# with dialog boxes.
2349	#TODO: the first argument must go, split into a $npc->reply_to ( method	2432	#TODO: the first argument must go, split into a $npc->reply_to ( method
2350	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
2351	my ($self, $npc, $msg, $flags) = @_;	2434	my ($self, $npc, $msg, $flags) = @_;
…		…
2362	my $dialog = $pl->{npc_dialog};	2445	my $dialog = $pl->{npc_dialog};
2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2364		2447
2365	} else {	2448	} else {
2366	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
2367	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2368	}	2451	}
2369	}	2452	}
2370	}	2453	}
2371		2454
2372	=item $object->send_msg ($channel, $msg, $color, [extra...])	2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2397		2480
2398	=item $player_object->enter_link	2481	=item $player_object->enter_link
2399		2482
2400	Freezes the player and moves him/her to a special map (C<{link}>).	2483	Freezes the player and moves him/her to a special map (C<{link}>).
2401		2484
2402	The player should be reasonably safe there for short amounts of time. You	2485	The player should be reasonably safe there for short amounts of time (e.g.
2403	I<MUST> call C<leave_link> as soon as possible, though.	2486	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2487	though, as the palyer cannot control the character while it is on the link
		2488	map.
2404		2489
2405	Will never block.	2490	Will never block.
2406		2491
2407	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
2408		2493
…		…
2466		2551
2467	$map->load;	2552	$map->load;
2468	$map->load_neighbours;	2553	$map->load_neighbours;
2469		2554
2470	return unless $self->contr->active;	2555	return unless $self->contr->active;
2471	$self->activate_recursive;
2472		2556
2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2474	$self->enter_map ($map, $x, $y);	2558	$self->enter_map ($map, $x, $y);
		2559
		2560	# only activate afterwards, to support waiting in hooks
		2561	$self->activate_recursive;
2475	}	2562	}
2476		2563
2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2478		2565
2479	Moves the player to the given map-path and coordinates by first freezing	2566	Moves the player to the given map-path and coordinates by first freezing
2480	her, loading and preparing them map, calling the provided $check callback	2567	her, loading and preparing them map, calling the provided $check callback
2481	that has to return the map if sucecssful, and then unfreezes the player on	2568	that has to return the map if sucecssful, and then unfreezes the player on
2482	the new (success) or old (failed) map position. In either case, $done will	2569	the new (success) or old (failed) map position. In either case, $done will
2483	be called at the end of this process.	2570	be called at the end of this process.
		2571
		2572	Note that $check will be called with a potentially non-loaded map, so if
		2573	it needs a loaded map it has to call C<< ->load >>.
2484		2574
2485	=cut	2575	=cut
2486		2576
2487	our $GOTOGEN;	2577	our $GOTOGEN;
2488		2578
…		…
2567	}	2657	}
2568		2658
2569	sub prepare_random_map {	2659	sub prepare_random_map {
2570	my ($exit) = @_;	2660	my ($exit) = @_;
2571		2661
2572	my $guard = cf::lock_acquire "exit_prepare:$exit";
2573
2574	# all this does is basically replace the /! path by	2662	# all this does is basically replace the /! path by
2575	# a new random map path (?random/...) with a seed	2663	# a new random map path (?random/...) with a seed
2576	# that depends on the exit object	2664	# that depends on the exit object
2577		2665
2578	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
…		…
2580	if ($exit->map) {	2668	if ($exit->map) {
2581	$rmp->{region} = $exit->region->name;	2669	$rmp->{region} = $exit->region->name;
2582	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
2583	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
2584	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
2585	}	2675	}
2586		2676
2587	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
2588		2678
2589	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2590	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
2591	my $meta = "$RANDOMDIR/$md5.meta";	2681	my $meta = "$RANDOMDIR/$md5.meta";
2592		2682
2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2594	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
2595	undef $fh;	2685	undef $fh;
2596	aio_rename "$meta~", $meta;	2686	aio_rename "$meta~", $meta;
2597		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
2598	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
2599	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
2600	}	2694	}
2601	}	2695	}
2602		2696
2603	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
2604	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
2605		2699
2606	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
2607		2701
2608	if ($exit->slaying eq "/!") {
2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
2610	# the problem is that $exit might not survive long enough
2611	# so it needs to be done right now, right here
2612	cf::sync_job { prepare_random_map $exit };
2613	}
2614
2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2616	my $hp = $exit->stats->hp;
2617	my $sp = $exit->stats->sp;
2618
2619	$self->enter_link;	2702	$self->enter_link;
2620		2703
2621	# if exit is damned, update players death & WoR home-position
2622	$self->contr->savebed ($slaying, $hp, $sp)
2623	if $exit->flag (FLAG_DAMNED);
2624
2625	(async {	2704	(async {
2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2705	$Coro::current->{desc} = "enter_exit";
2627		2706
2628	$self->deactivate_recursive; # just to be sure
2629	unless (eval {	2707	unless (eval {
		2708	$self->deactivate_recursive; # just to be sure
		2709
		2710	# random map handling
		2711	{
		2712	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2713
		2714	prepare_random_map $exit
		2715	if $exit->slaying eq "/!";
		2716	}
		2717
		2718	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2719	my $x = $exit->stats->hp;
		2720	my $y = $exit->stats->sp;
		2721
2630	$self->goto ($slaying, $hp, $sp);	2722	$self->goto ($map, $x, $y);
2631		2723
		2724	# if exit is damned, update players death & WoR home-position
		2725	$self->contr->savebed ($map, $x, $y)
		2726	if $exit->flag (cf::FLAG_DAMNED);
		2727
2632	1;	2728	1
2633	}) {	2729	}) {
2634	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
2635	. "I'll try to bring you back to the map you were before. "	2731	. "I'll try to bring you back to the map you were before. "
2636	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
2637	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
2638		2734
2639	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
…		…
2667	the message, with C<log> being the default. If C<$color> is negative, suppress	2763	the message, with C<log> being the default. If C<$color> is negative, suppress
2668	the message unless the client supports the msg packet.	2764	the message unless the client supports the msg packet.
2669		2765
2670	=cut	2766	=cut
2671		2767
		2768	# non-persistent channels (usually the info channel)
2672	our %CHANNEL = (	2769	our %CHANNEL = (
2673	"c/identify" => {	2770	"c/identify" => {
2674	id => "infobox",	2771	id => "infobox",
2675	title => "Identify",	2772	title => "Identify",
2676	reply => undef,	2773	reply => undef,
…		…
2680	id => "infobox",	2777	id => "infobox",
2681	title => "Examine",	2778	title => "Examine",
2682	reply => undef,	2779	reply => undef,
2683	tooltip => "Signs and other items you examined",	2780	tooltip => "Signs and other items you examined",
2684	},	2781	},
		2782	"c/book" => {
		2783	id => "infobox",
		2784	title => "Book",
		2785	reply => undef,
		2786	tooltip => "The contents of a note or book",
		2787	},
2685	"c/lookat" => {	2788	"c/lookat" => {
2686	id => "infobox",	2789	id => "infobox",
2687	title => "Look",	2790	title => "Look",
2688	reply => undef,	2791	reply => undef,
2689	tooltip => "What you saw there",	2792	tooltip => "What you saw there",
2690	},	2793	},
		2794	"c/who" => {
		2795	id => "infobox",
		2796	title => "Players",
		2797	reply => undef,
		2798	tooltip => "Shows players who are currently online",
		2799	},
		2800	"c/body" => {
		2801	id => "infobox",
		2802	title => "Body Parts",
		2803	reply => undef,
		2804	tooltip => "Shows which body parts you posess and are available",
		2805	},
		2806	"c/statistics" => {
		2807	id => "infobox",
		2808	title => "Statistics",
		2809	reply => undef,
		2810	tooltip => "Shows your primary statistics",
		2811	},
		2812	"c/skills" => {
		2813	id => "infobox",
		2814	title => "Skills",
		2815	reply => undef,
		2816	tooltip => "Shows your experience per skill and item power",
		2817	},
		2818	"c/shopitems" => {
		2819	id => "infobox",
		2820	title => "Shop Items",
		2821	reply => undef,
		2822	tooltip => "Shows the items currently for sale in this shop",
		2823	},
		2824	"c/resistances" => {
		2825	id => "infobox",
		2826	title => "Resistances",
		2827	reply => undef,
		2828	tooltip => "Shows your resistances",
		2829	},
		2830	"c/pets" => {
		2831	id => "infobox",
		2832	title => "Pets",
		2833	reply => undef,
		2834	tooltip => "Shows information abotu your pets/a specific pet",
		2835	},
		2836	"c/perceiveself" => {
		2837	id => "infobox",
		2838	title => "Perceive Self",
		2839	reply => undef,
		2840	tooltip => "You gained detailed knowledge about yourself",
		2841	},
		2842	"c/uptime" => {
		2843	id => "infobox",
		2844	title => "Uptime",
		2845	reply => undef,
		2846	tooltip => "How long the server has been running since last restart",
		2847	},
		2848	"c/mapinfo" => {
		2849	id => "infobox",
		2850	title => "Map Info",
		2851	reply => undef,
		2852	tooltip => "Information related to the maps",
		2853	},
		2854	"c/party" => {
		2855	id => "party",
		2856	title => "Party",
		2857	reply => "gsay ",
		2858	tooltip => "Messages and chat related to your party",
		2859	},
		2860	"c/death" => {
		2861	id => "death",
		2862	title => "Death",
		2863	reply => undef,
		2864	tooltip => "Reason for and more info about your most recent death",
		2865	},
		2866	"c/say" => $SAY_CHANNEL,
		2867	"c/chat" => $CHAT_CHANNEL,
2691	);	2868	);
2692		2869
2693	sub cf::client::send_msg {	2870	sub cf::client::send_msg {
2694	my ($self, $channel, $msg, $color, @extra) = @_;	2871	my ($self, $channel, $msg, $color, @extra) = @_;
2695		2872
2696	$msg = $self->pl->expand_cfpod ($msg);	2873	$msg = $self->pl->expand_cfpod ($msg)
		2874	unless $color & cf::NDI_VERBATIM;
2697		2875
2698	$color &= cf::NDI_CLIENT_MASK; # just in case...	2876	$color &= cf::NDI_CLIENT_MASK; # just in case...
2699		2877
2700	# check predefined channels, for the benefit of C	2878	# check predefined channels, for the benefit of C
2701	if ($CHANNEL{$channel}) {	2879	if ($CHANNEL{$channel}) {
2702	$channel = $CHANNEL{$channel};	2880	$channel = $CHANNEL{$channel};
2703		2881
2704	$self->ext_msg (channel_info => $channel)	2882	$self->ext_msg (channel_info => $channel);
2705	if $self->can_msg;
2706
2707	$channel = $channel->{id};	2883	$channel = $channel->{id};
2708		2884
2709	} elsif (ref $channel) {	2885	} elsif (ref $channel) {
2710	# send meta info to client, if not yet sent	2886	# send meta info to client, if not yet sent
2711	unless (exists $self->{channel}{$channel->{id}}) {	2887	unless (exists $self->{channel}{$channel->{id}}) {
2712	$self->{channel}{$channel->{id}} = $channel;	2888	$self->{channel}{$channel->{id}} = $channel;
2713	$self->ext_msg (channel_info => $channel)	2889	$self->ext_msg (channel_info => $channel);
2714	if $self->can_msg;
2715	}	2890	}
2716		2891
2717	$channel = $channel->{id};	2892	$channel = $channel->{id};
2718	}	2893	}
2719		2894
2720	return unless @extra || length $msg;	2895	return unless @extra || length $msg;
2721		2896
2722	if ($self->can_msg) {
2723	# default colour, mask it out	2897	# default colour, mask it out
2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2725	if $color & cf::NDI_DEF;	2899	if $color & cf::NDI_DEF;
2726		2900
2727	$self->send_packet ("msg " . $self->{json_coder}->encode (	2901	my $pkt = "msg "
		2902	. $self->{json_coder}->encode (
2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2903	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2729	} else {	2904	);
2730	if ($color >= 0) {
2731	# replace some tags by gcfclient-compatible ones
2732	for ($msg) {
2733	1 while
2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2739	}
2740		2905
2741	$color &= cf::NDI_COLOR_MASK;	2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
2742		2909
2743	utf8::encode $msg;	2910	# split very large packets
2744		2911	if (8192 < length $pkt and $self->{can_lzf}) {
2745	if (0 && $msg =~ /\[/) {	2912	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2746	# COMMAND/INFO	2913	$pkt = "frag";
2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
2748	} else {
2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2750	$self->send_packet ("drawinfo $color $msg")
2751	}
2752	}
2753	}	2914	}
		2915
		2916	$self->send_packet ($pkt);
2754	}	2917	}
2755		2918
2756	=item $client->ext_msg ($type, @msg)	2919	=item $client->ext_msg ($type, @msg)
2757		2920
2758	Sends an ext event to the client.	2921	Sends an ext event to the client.
…		…
2932		3095
2933	The following functions and methods are available within a safe environment:	3096	The following functions and methods are available within a safe environment:
2934		3097
2935	cf::object	3098	cf::object
2936	contr pay_amount pay_player map x y force_find force_add destroy	3099	contr pay_amount pay_player map x y force_find force_add destroy
2937	insert remove name archname title slaying race decrease_ob_nr	3100	insert remove name archname title slaying race decrease split
		3101	value
2938		3102
2939	cf::object::player	3103	cf::object::player
2940	player	3104	player
2941		3105
2942	cf::player	3106	cf::player
…		…
2947		3111
2948	=cut	3112	=cut
2949		3113
2950	for (	3114	for (
2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3115	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2952	insert remove inv name archname title slaying race	3116	insert remove inv nrof name archname title slaying race
2953	decrease_ob_nr destroy)],	3117	decrease split destroy change_exp value msg lore send_msg)],
2954	["cf::object::player" => qw(player)],	3118	["cf::object::player" => qw(player)],
2955	["cf::player" => qw(peaceful)],	3119	["cf::player" => qw(peaceful send_msg)],
2956	["cf::map" => qw(trigger)],	3120	["cf::map" => qw(trigger)],
2957	) {	3121	) {
2958	no strict 'refs';	3122	no strict 'refs';
2959	my ($pkg, @funs) = @$_;	3123	my ($pkg, @funs) = @$_;
2960	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2977	my ($code, %vars) = @_;	3141	my ($code, %vars) = @_;
2978		3142
2979	my $qcode = $code;	3143	my $qcode = $code;
2980	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3144	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2981	$qcode =~ s/\n/\\n/g;	3145	$qcode =~ s/\n/\\n/g;
		3146
		3147	%vars = (_dummy => 0) unless %vars;
2982		3148
2983	local $_;	3149	local $_;
2984	local @safe::cf::_safe_eval_args = values %vars;	3150	local @safe::cf::_safe_eval_args = values %vars;
2985		3151
2986	my $eval =	3152	my $eval =
…		…
3063	{	3229	{
3064	my $faces = $facedata->{faceinfo};	3230	my $faces = $facedata->{faceinfo};
3065		3231
3066	while (my ($face, $info) = each %$faces) {	3232	while (my ($face, $info) = each %$faces) {
3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3233	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3234
3068	cf::face::set_visibility $idx, $info->{visibility};	3235	cf::face::set_visibility $idx, $info->{visibility};
3069	cf::face::set_magicmap $idx, $info->{magicmap};	3236	cf::face::set_magicmap $idx, $info->{magicmap};
3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3237	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3238	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3072		3239
3073	cf::cede_to_tick;	3240	cf::cede_to_tick;
3074	}	3241	}
3075		3242
3076	while (my ($face, $info) = each %$faces) {	3243	while (my ($face, $info) = each %$faces) {
3077	next unless $info->{smooth};	3244	next unless $info->{smooth};
		3245
3078	my $idx = cf::face::find $face	3246	my $idx = cf::face::find $face
3079	or next;	3247	or next;
		3248
3080	if (my $smooth = cf::face::find $info->{smooth}) {	3249	if (my $smooth = cf::face::find $info->{smooth}) {
3081	cf::face::set_smooth $idx, $smooth;	3250	cf::face::set_smooth $idx, $smooth;
3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3251	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3083	} else {	3252	} else {
3084	warn "smooth face '$info->{smooth}' not found for face '$face'";	3253	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3102	{	3271	{
3103	# TODO: for gcfclient pleasure, we should give resources	3272	# TODO: for gcfclient pleasure, we should give resources
3104	# that gcfclient doesn't grok a >10000 face index.	3273	# that gcfclient doesn't grok a >10000 face index.
3105	my $res = $facedata->{resource};	3274	my $res = $facedata->{resource};
3106		3275
3107	my $soundconf = delete $res->{"res/sound.conf"};
3108
3109	while (my ($name, $info) = each %$res) {	3276	while (my ($name, $info) = each %$res) {
		3277	if (defined $info->{type}) {
3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3278	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3111	my $data;	3279	my $data;
3112		3280
3113	if ($info->{type} & 1) {	3281	if ($info->{type} & 1) {
3114	# prepend meta info	3282	# prepend meta info
3115		3283
3116	my $meta = $enc->encode ({	3284	my $meta = $enc->encode ({
3117	name => $name,	3285	name => $name,
3118	%{ $info->{meta} || {} },	3286	%{ $info->{meta} || {} },
3119	});	3287	});
3120		3288
3121	$data = pack "(w/a*)*", $meta, $info->{data};	3289	$data = pack "(w/a*)*", $meta, $info->{data};
		3290	} else {
		3291	$data = $info->{data};
		3292	}
		3293
		3294	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3295	cf::face::set_type $idx, $info->{type};
3122	} else {	3296	} else {
3123	$data = $info->{data};	3297	$RESOURCE{$name} = $info;
3124	}	3298	}
3125		3299
3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3127	cf::face::set_type $idx, $info->{type};
3128
3129	cf::cede_to_tick;	3300	cf::cede_to_tick;
3130	}	3301	}
3131
3132	if ($soundconf) {
3133	$soundconf = $enc->decode (delete $soundconf->{data});
3134
3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3136	my $sound = $soundconf->{compat}[$_]
3137	or next;
3138
3139	my $face = cf::face::find "sound/$sound->[1]";
3140	cf::sound::set $sound->[0] => $face;
3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3142	}
3143
3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
3145	my $face = cf::face::find "sound/$v";
3146	cf::sound::set $k => $face;
3147	}
3148	}
3149	}	3302	}
		3303
		3304	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3150		3305
3151	1	3306	1
3152	}	3307	}
		3308
		3309	cf::global->attach (on_resource_update => sub {
		3310	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3311	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3312
		3313	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3314	my $sound = $soundconf->{compat}[$_]
		3315	or next;
		3316
		3317	my $face = cf::face::find "sound/$sound->[1]";
		3318	cf::sound::set $sound->[0] => $face;
		3319	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3320	}
		3321
		3322	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3323	my $face = cf::face::find "sound/$v";
		3324	cf::sound::set $k => $face;
		3325	}
		3326	}
		3327	});
3153		3328
3154	register_exticmd fx_want => sub {	3329	register_exticmd fx_want => sub {
3155	my ($ns, $want) = @_;	3330	my ($ns, $want) = @_;
3156		3331
3157	while (my ($k, $v) = each %$want) {	3332	while (my ($k, $v) = each %$want) {
3158	$ns->fx_want ($k, $v);	3333	$ns->fx_want ($k, $v);
3159	}	3334	}
3160	};	3335	};
		3336
		3337	sub load_resource_file($) {
		3338	my $guard = lock_acquire "load_resource_file";
		3339
		3340	my $status = load_resource_file_ $_[0];
		3341	get_slot 0.1, 100;
		3342	cf::arch::commit_load;
		3343
		3344	$status
		3345	}
3161		3346
3162	sub reload_regions {	3347	sub reload_regions {
3163	# HACK to clear player env face cache, we need some signal framework	3348	# HACK to clear player env face cache, we need some signal framework
3164	# for this (global event?)	3349	# for this (global event?)
3165	%ext::player_env::MUSIC_FACE_CACHE = ();	3350	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3179	}	3364	}
3180		3365
3181	sub reload_archetypes {	3366	sub reload_archetypes {
3182	load_resource_file "$DATADIR/archetypes"	3367	load_resource_file "$DATADIR/archetypes"
3183	or die "unable to load archetypes\n";	3368	or die "unable to load archetypes\n";
3184	#d# NEED to laod twice to resolve forward references
3185	# this really needs to be done in an extra post-pass
3186	# (which needs to be synchronous, so solve it differently)
3187	load_resource_file "$DATADIR/archetypes"
3188	or die "unable to load archetypes\n";
3189	}	3369	}
3190		3370
3191	sub reload_treasures {	3371	sub reload_treasures {
3192	load_resource_file "$DATADIR/treasures"	3372	load_resource_file "$DATADIR/treasures"
3193	or die "unable to load treasurelists\n";	3373	or die "unable to load treasurelists\n";
3194	}	3374	}
3195		3375
3196	sub reload_resources {	3376	sub reload_resources {
3197	warn "reloading resource files...\n";	3377	warn "reloading resource files...\n";
3198		3378
		3379	reload_facedata;
		3380	reload_archetypes;
3199	reload_regions;	3381	reload_regions;
3200	reload_facedata;
3201	#reload_archetypes;#d#
3202	reload_archetypes;
3203	reload_treasures;	3382	reload_treasures;
3204		3383
3205	warn "finished reloading resource files\n";	3384	warn "finished reloading resource files\n";
3206	}	3385	}
3207		3386
3208	sub init {
3209	reload_resources;
3210	}
3211
3212	sub reload_config {	3387	sub reload_config {
		3388	warn "reloading config file...\n";
		3389
3213	open my $fh, "<:utf8", "$CONFDIR/config"	3390	open my $fh, "<:utf8", "$CONFDIR/config"
3214	or return;	3391	or return;
3215		3392
3216	local $/;	3393	local $/;
3217	*CFG = YAML::Syck::Load <$fh>;	3394	*CFG = YAML::XS::Load scalar <$fh>;
3218		3395
3219	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3396	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3220		3397
3221	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3398	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3222	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3399	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3226	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3403	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3227	and die "WARNING: m(un)lockall failed: $!\n";	3404	and die "WARNING: m(un)lockall failed: $!\n";
3228	};	3405	};
3229	warn $@ if $@;	3406	warn $@ if $@;
3230	}	3407	}
		3408
		3409	warn "finished reloading resource files\n";
		3410	}
		3411
		3412	sub pidfile() {
		3413	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3414	or die "$PIDFILE: $!";
		3415	flock $fh, &Fcntl::LOCK_EX
		3416	or die "$PIDFILE: flock: $!";
		3417	$fh
		3418	}
		3419
		3420	# make sure only one server instance is running at any one time
		3421	sub atomic {
		3422	my $fh = pidfile;
		3423
		3424	my $pid = <$fh>;
		3425	kill 9, $pid if $pid > 0;
		3426
		3427	seek $fh, 0, 0;
		3428	print $fh $$;
		3429	}
		3430
		3431	sub main_loop {
		3432	warn "EV::loop starting\n";
		3433	if (1) {
		3434	EV::loop;
		3435	}
		3436	warn "EV::loop returned\n";
		3437	goto &main_loop unless $REALLY_UNLOOP;
3231	}	3438	}
3232		3439
3233	sub main {	3440	sub main {
		3441	cf::init_globals; # initialise logging
		3442
		3443	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3444	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3445	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3446	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3447
		3448	cf::init_experience;
		3449	cf::init_anim;
		3450	cf::init_attackmess;
		3451	cf::init_dynamic;
		3452
		3453	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3454
3234	# we must not ever block the main coroutine	3455	# we must not ever block the main coroutine
3235	local $Coro::idle = sub {	3456	local $Coro::idle = sub {
3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3457	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3237	(async {	3458	(async {
3238	$Coro::current->{desc} = "IDLE BUG HANDLER";	3459	$Coro::current->{desc} = "IDLE BUG HANDLER";
3239	Event::one_event;	3460	EV::loop EV::LOOP_ONESHOT;
3240	})->prio (Coro::PRIO_MAX);	3461	})->prio (Coro::PRIO_MAX);
3241	};	3462	};
3242		3463
		3464	evthread_start IO::AIO::poll_fileno;
		3465
		3466	cf::sync_job {
		3467	reload_resources;
3243	reload_config;	3468	reload_config;
3244	db_init;	3469	db_init;
		3470
		3471	cf::load_settings;
		3472	cf::load_materials;
		3473	cf::init_uuid;
		3474	cf::init_signals;
		3475	cf::init_commands;
		3476	cf::init_skills;
		3477
		3478	cf::init_beforeplay;
		3479
		3480	atomic;
		3481
3245	load_extensions;	3482	load_extensions;
3246		3483
3247	$TICK_WATCHER->start;	3484	utime time, time, $RUNTIMEFILE;
3248	Event::loop;	3485
		3486	# no (long-running) fork's whatsoever before this point(!)
		3487	use POSIX ();
		3488	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3489
		3490	(pop @POST_INIT)->(0) while @POST_INIT;
		3491	};
		3492
		3493	main_loop;
3249	}	3494	}
3250		3495
3251	#############################################################################	3496	#############################################################################
3252	# initialisation and cleanup	3497	# initialisation and cleanup
3253		3498
3254	# install some emergency cleanup handlers	3499	# install some emergency cleanup handlers
3255	BEGIN {	3500	BEGIN {
		3501	our %SIGWATCHER = ();
3256	for my $signal (qw(INT HUP TERM)) {	3502	for my $signal (qw(INT HUP TERM)) {
3257	Event->signal (	3503	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3258	reentrant => 0,
3259	data => WF_AUTOCANCEL,
3260	signal => $signal,
3261	prio => 0,
3262	cb => sub {
3263	cf::cleanup "SIG$signal";	3504	cf::cleanup "SIG$signal";
3264	},
3265	);	3505	};
3266	}	3506	}
3267	}	3507	}
3268		3508
3269	sub write_runtime {	3509	sub write_runtime_sync {
3270	my $runtime = "$LOCALDIR/runtime";
3271
3272	# first touch the runtime file to show we are still running:	3510	# first touch the runtime file to show we are still running:
3273	# the fsync below can take a very very long time.	3511	# the fsync below can take a very very long time.
3274		3512
3275	IO::AIO::aio_utime $runtime, undef, undef;	3513	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3276		3514
3277	my $guard = cf::lock_acquire "write_runtime";	3515	my $guard = cf::lock_acquire "write_runtime";
3278		3516
3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3517	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3280	or return;	3518	or return;
3281		3519
3282	my $value = $cf::RUNTIME + 90 + 10;	3520	my $value = $cf::RUNTIME + 90 + 10;
3283	# 10 is the runtime save interval, for a monotonic clock	3521	# 10 is the runtime save interval, for a monotonic clock
3284	# 60 allows for the watchdog to kill the server.	3522	# 60 allows for the watchdog to kill the server.
…		…
3294	aio_utime $fh, undef, undef;	3532	aio_utime $fh, undef, undef;
3295		3533
3296	close $fh	3534	close $fh
3297	or return;	3535	or return;
3298		3536
3299	aio_rename "$runtime~", $runtime	3537	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3300	and return;	3538	and return;
3301		3539
3302	warn "runtime file written.\n";	3540	warn "runtime file written.\n";
3303		3541
3304	1	3542	1
		3543	}
		3544
		3545	our $uuid_lock;
		3546	our $uuid_skip;
		3547
		3548	sub write_uuid_sync($) {
		3549	$uuid_skip ||= $_[0];
		3550
		3551	return if $uuid_lock;
		3552	local $uuid_lock = 1;
		3553
		3554	my $uuid = "$LOCALDIR/uuid";
		3555
		3556	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3557	or return;
		3558
		3559	my $value = uuid_seq uuid_cur;
		3560
		3561	unless ($value) {
		3562	warn "cowardly refusing to write zero uuid value!\n";
		3563	return;
		3564	}
		3565
		3566	my $value = uuid_str $value + $uuid_skip;
		3567	$uuid_skip = 0;
		3568
		3569	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3570	and return;
		3571
		3572	# always fsync - this file is important
		3573	aio_fsync $fh
		3574	and return;
		3575
		3576	close $fh
		3577	or return;
		3578
		3579	aio_rename "$uuid~", $uuid
		3580	and return;
		3581
		3582	warn "uuid file written ($value).\n";
		3583
		3584	1
		3585
		3586	}
		3587
		3588	sub write_uuid($$) {
		3589	my ($skip, $sync) = @_;
		3590
		3591	$sync ? write_uuid_sync $skip
		3592	: async { write_uuid_sync $skip };
3305	}	3593	}
3306		3594
3307	sub emergency_save() {	3595	sub emergency_save() {
3308	my $freeze_guard = cf::freeze_mainloop;	3596	my $freeze_guard = cf::freeze_mainloop;
3309		3597
3310	warn "enter emergency perl save\n";	3598	warn "emergency_perl_save: enter\n";
3311		3599
3312	cf::sync_job {	3600	cf::sync_job {
		3601	# this is a trade-off: we want to be very quick here, so
		3602	# save all maps without fsync, and later call a global sync
		3603	# (which in turn might be very very slow)
		3604	local $USE_FSYNC = 0;
		3605
3313	# use a peculiar iteration method to avoid tripping on perl	3606	# use a peculiar iteration method to avoid tripping on perl
3314	# refcount bugs in for. also avoids problems with players	3607	# refcount bugs in for. also avoids problems with players
3315	# and maps saved/destroyed asynchronously.	3608	# and maps saved/destroyed asynchronously.
3316	warn "begin emergency player save\n";	3609	warn "emergency_perl_save: begin player save\n";
3317	for my $login (keys %cf::PLAYER) {	3610	for my $login (keys %cf::PLAYER) {
3318	my $pl = $cf::PLAYER{$login} or next;	3611	my $pl = $cf::PLAYER{$login} or next;
3319	$pl->valid or next;	3612	$pl->valid or next;
3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3613	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3321	$pl->save;	3614	$pl->save;
3322	}	3615	}
3323	warn "end emergency player save\n";	3616	warn "emergency_perl_save: end player save\n";
3324		3617
3325	warn "begin emergency map save\n";	3618	warn "emergency_perl_save: begin map save\n";
3326	for my $path (keys %cf::MAP) {	3619	for my $path (keys %cf::MAP) {
3327	my $map = $cf::MAP{$path} or next;	3620	my $map = $cf::MAP{$path} or next;
3328	$map->valid or next;	3621	$map->valid or next;
3329	$map->save;	3622	$map->save;
3330	}	3623	}
3331	warn "end emergency map save\n";	3624	warn "emergency_perl_save: end map save\n";
3332		3625
3333	warn "begin emergency database checkpoint\n";	3626	warn "emergency_perl_save: begin database checkpoint\n";
3334	BDB::db_env_txn_checkpoint $DB_ENV;	3627	BDB::db_env_txn_checkpoint $DB_ENV;
3335	warn "end emergency database checkpoint\n";	3628	warn "emergency_perl_save: end database checkpoint\n";
		3629
		3630	warn "emergency_perl_save: begin write uuid\n";
		3631	write_uuid_sync 1;
		3632	warn "emergency_perl_save: end write uuid\n";
3336	};	3633	};
3337		3634
		3635	warn "emergency_perl_save: starting sync()\n";
		3636	IO::AIO::aio_sync sub {
		3637	warn "emergency_perl_save: finished sync()\n";
		3638	};
		3639
3338	warn "leave emergency perl save\n";	3640	warn "emergency_perl_save: leave\n";
3339	}	3641	}
3340		3642
3341	sub post_cleanup {	3643	sub post_cleanup {
3342	my ($make_core) = @_;	3644	my ($make_core) = @_;
3343		3645
3344	warn Carp::longmess "post_cleanup backtrace"	3646	warn Carp::longmess "post_cleanup backtrace"
3345	if $make_core;	3647	if $make_core;
		3648
		3649	my $fh = pidfile;
		3650	unlink $PIDFILE if <$fh> == $$;
		3651	}
		3652
		3653	# a safer delete_package, copied from Symbol
		3654	sub clear_package($) {
		3655	my $pkg = shift;
		3656
		3657	# expand to full symbol table name if needed
		3658	unless ($pkg =~ /^main::.*::$/) {
		3659	$pkg = "main$pkg" if $pkg =~ /^::/;
		3660	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3661	$pkg .= '::' unless $pkg =~ /::$/;
		3662	}
		3663
		3664	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3665	my $stem_symtab = *{$stem}{HASH};
		3666
		3667	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3668	or return;
		3669
		3670	# clear all symbols
		3671	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3672	for my $name (keys %$leaf_symtab) {
		3673	_gv_clear *{"$pkg$name"};
		3674	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3675	}
		3676	warn "cleared package $pkg\n";#d#
3346	}	3677	}
3347		3678
3348	sub do_reload_perl() {	3679	sub do_reload_perl() {
3349	# can/must only be called in main	3680	# can/must only be called in main
3350	if ($Coro::current != $Coro::main) {	3681	if ($Coro::current != $Coro::main) {
3351	warn "can only reload from main coroutine";	3682	warn "can only reload from main coroutine";
3352	return;	3683	return;
3353	}	3684	}
3354		3685
		3686	return if $RELOAD++;
		3687
		3688	my $t1 = EV::time;
		3689
		3690	while ($RELOAD) {
3355	warn "reloading...";	3691	warn "reloading...";
3356		3692
3357	warn "entering sync_job";	3693	warn "entering sync_job";
3358		3694
3359	cf::sync_job {	3695	cf::sync_job {
3360	cf::write_runtime; # external watchdog should not bark	3696	cf::write_runtime_sync; # external watchdog should not bark
3361	cf::emergency_save;	3697	cf::emergency_save;
3362	cf::write_runtime; # external watchdog should not bark	3698	cf::write_runtime_sync; # external watchdog should not bark
3363		3699
3364	warn "syncing database to disk";	3700	warn "syncing database to disk";
3365	BDB::db_env_txn_checkpoint $DB_ENV;	3701	BDB::db_env_txn_checkpoint $DB_ENV;
3366		3702
3367	# if anything goes wrong in here, we should simply crash as we already saved	3703	# if anything goes wrong in here, we should simply crash as we already saved
3368		3704
3369	warn "cancelling all WF_AUTOCANCEL watchers";
3370	for (Event::all_watchers) {
3371	$_->cancel if $_->data & WF_AUTOCANCEL;
3372	}
3373
3374	warn "flushing outstanding aio requests";	3705	warn "flushing outstanding aio requests";
3375	for (;;) {
3376	BDB::flush;
3377	IO::AIO::flush;
3378	Coro::cede_notself;
3379	last unless IO::AIO::nreqs || BDB::nreqs;	3706	while (IO::AIO::nreqs || BDB::nreqs) {
3380	warn "iterate...";	3707	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3381	}
3382
3383	++$RELOAD;
3384
3385	warn "cancelling all extension coros";
3386	$_->cancel for values %EXT_CORO;
3387	%EXT_CORO = ();
3388
3389	warn "removing commands";
3390	%COMMAND = ();
3391
3392	warn "removing ext/exti commands";
3393	%EXTCMD = ();
3394	%EXTICMD = ();
3395
3396	warn "unloading/nuking all extensions";
3397	for my $pkg (@EXTS) {
3398	warn "... unloading $pkg";
3399
3400	if (my $cb = $pkg->can ("unload")) {
3401	eval {
3402	$cb->($pkg);
3403	1
3404	} or warn "$pkg unloaded, but with errors: $@";
3405	}	3708	}
3406		3709
3407	warn "... nuking $pkg";	3710	warn "cancelling all extension coros";
3408	Symbol::delete_package $pkg;	3711	$_->cancel for values %EXT_CORO;
3409	}	3712	%EXT_CORO = ();
3410		3713
3411	warn "unloading all perl modules loaded from $LIBDIR";	3714	warn "removing commands";
3412	while (my ($k, $v) = each %INC) {	3715	%COMMAND = ();
3413	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3414		3716
		3717	warn "removing ext/exti commands";
		3718	%EXTCMD = ();
		3719	%EXTICMD = ();
		3720
		3721	warn "unloading/nuking all extensions";
		3722	for my $pkg (@EXTS) {
3415	warn "... unloading $k";	3723	warn "... unloading $pkg";
3416	delete $INC{$k};
3417		3724
3418	$k =~ s/\.pm$//;
3419	$k =~ s/\//::/g;
3420
3421	if (my $cb = $k->can ("unload_module")) {	3725	if (my $cb = $pkg->can ("unload")) {
		3726	eval {
3422	$cb->();	3727	$cb->($pkg);
		3728	1
		3729	} or warn "$pkg unloaded, but with errors: $@";
		3730	}
		3731
		3732	warn "... clearing $pkg";
		3733	clear_package $pkg;
3423	}	3734	}
3424		3735
3425	Symbol::delete_package $k;	3736	warn "unloading all perl modules loaded from $LIBDIR";
		3737	while (my ($k, $v) = each %INC) {
		3738	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3739
		3740	warn "... unloading $k";
		3741	delete $INC{$k};
		3742
		3743	$k =~ s/\.pm$//;
		3744	$k =~ s/\//::/g;
		3745
		3746	if (my $cb = $k->can ("unload_module")) {
		3747	$cb->();
		3748	}
		3749
		3750	clear_package $k;
3426	}	3751	}
3427		3752
3428	warn "getting rid of safe::, as good as possible";	3753	warn "getting rid of safe::, as good as possible";
3429	Symbol::delete_package "safe::$_"	3754	clear_package "safe::$_"
3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3755	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3431		3756
3432	warn "unloading cf.pm \"a bit\"";	3757	warn "unloading cf.pm \"a bit\"";
3433	delete $INC{"cf.pm"};	3758	delete $INC{"cf.pm"};
3434	delete $INC{"cf/pod.pm"};	3759	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3435		3760
3436	# don't, removes xs symbols, too,	3761	# don't, removes xs symbols, too,
3437	# and global variables created in xs	3762	# and global variables created in xs
3438	#Symbol::delete_package __PACKAGE__;	3763	#clear_package __PACKAGE__;
3439		3764
3440	warn "unload completed, starting to reload now";	3765	warn "unload completed, starting to reload now";
3441		3766
3442	warn "reloading cf.pm";	3767	warn "reloading cf.pm";
3443	require cf;	3768	require cf;
3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3769	cf::_connect_to_perl_1;
3445		3770
3446	warn "loading config and database again";	3771	warn "loading config and database again";
3447	cf::reload_config;	3772	cf::reload_config;
3448		3773
3449	warn "loading extensions";	3774	warn "loading extensions";
3450	cf::load_extensions;	3775	cf::load_extensions;
3451		3776
		3777	if ($REATTACH_ON_RELOAD) {
3452	warn "reattaching attachments to objects/players";	3778	warn "reattaching attachments to objects/players";
3453	_global_reattach; # objects, sockets	3779	_global_reattach; # objects, sockets
3454	warn "reattaching attachments to maps";	3780	warn "reattaching attachments to maps";
3455	reattach $_ for values %MAP;	3781	reattach $_ for values %MAP;
3456	warn "reattaching attachments to players";	3782	warn "reattaching attachments to players";
3457	reattach $_ for values %PLAYER;	3783	reattach $_ for values %PLAYER;
		3784	}
3458		3785
		3786	warn "running post_init jobs";
		3787	(pop @POST_INIT)->(1) while @POST_INIT;
		3788
3459	warn "leaving sync_job";	3789	warn "leaving sync_job";
3460		3790
3461	1	3791	1
3462	} or do {	3792	} or do {
3463	warn $@;	3793	warn $@;
3464	warn "error while reloading, exiting.";	3794	cf::cleanup "error while reloading, exiting.";
3465	exit 1;
3466	};	3795	};
3467		3796
3468	warn "reloaded";	3797	warn "reloaded";
		3798	--$RELOAD;
		3799	}
		3800
		3801	$t1 = EV::time - $t1;
		3802	warn "reload completed in ${t1}s\n";
3469	};	3803	};
3470		3804
3471	our $RELOAD_WATCHER; # used only during reload	3805	our $RELOAD_WATCHER; # used only during reload
3472		3806
3473	sub reload_perl() {	3807	sub reload_perl() {
3474	# doing reload synchronously and two reloads happen back-to-back,	3808	# doing reload synchronously and two reloads happen back-to-back,
3475	# coro crashes during coro_state_free->destroy here.	3809	# coro crashes during coro_state_free->destroy here.
3476		3810
3477	$RELOAD_WATCHER ||= Event->timer (	3811	$RELOAD_WATCHER ||= cf::async {
3478	reentrant => 0,	3812	Coro::AIO::aio_wait cache_extensions;
3479	after => 0,	3813
3480	data => WF_AUTOCANCEL,	3814	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3481	cb => sub {
3482	do_reload_perl;	3815	do_reload_perl;
3483	undef $RELOAD_WATCHER;	3816	undef $RELOAD_WATCHER;
3484	},	3817	};
3485	);	3818	};
3486	}	3819	}
3487		3820
3488	register_command "reload" => sub {	3821	register_command "reload" => sub {
3489	my ($who, $arg) = @_;	3822	my ($who, $arg) = @_;
3490		3823
…		…
3503		3836
3504	our @WAIT_FOR_TICK;	3837	our @WAIT_FOR_TICK;
3505	our @WAIT_FOR_TICK_BEGIN;	3838	our @WAIT_FOR_TICK_BEGIN;
3506		3839
3507	sub wait_for_tick {	3840	sub wait_for_tick {
3508	return unless $TICK_WATCHER->is_active;
3509	return if $Coro::current == $Coro::main;	3841	return if tick_inhibit || $Coro::current == $Coro::main;
3510		3842
3511	my $signal = new Coro::Signal;	3843	my $signal = new Coro::Signal;
3512	push @WAIT_FOR_TICK, $signal;	3844	push @WAIT_FOR_TICK, $signal;
3513	$signal->wait;	3845	$signal->wait;
3514	}	3846	}
3515		3847
3516	sub wait_for_tick_begin {	3848	sub wait_for_tick_begin {
3517	return unless $TICK_WATCHER->is_active;
3518	return if $Coro::current == $Coro::main;	3849	return if tick_inhibit || $Coro::current == $Coro::main;
3519		3850
3520	my $signal = new Coro::Signal;	3851	my $signal = new Coro::Signal;
3521	push @WAIT_FOR_TICK_BEGIN, $signal;	3852	push @WAIT_FOR_TICK_BEGIN, $signal;
3522	$signal->wait;	3853	$signal->wait;
3523	}	3854	}
3524		3855
3525	$TICK_WATCHER = Event->timer (	3856	sub tick {
3526	reentrant => 0,
3527	parked => 1,
3528	prio => 0,
3529	at => $NEXT_TICK || $TICK,
3530	data => WF_AUTOCANCEL,
3531	cb => sub {
3532	if ($Coro::current != $Coro::main) {	3857	if ($Coro::current != $Coro::main) {
3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3858	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3534	unless ++$bug_warning > 10;	3859	unless ++$bug_warning > 10;
3535	return;	3860	return;
3536	}	3861	}
3537		3862
3538	$NOW = $tick_start = Event::time;
3539
3540	cf::server_tick; # one server iteration	3863	cf::server_tick; # one server iteration
3541		3864
3542	$RUNTIME += $TICK;
3543	$NEXT_TICK += $TICK;
3544
3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3865	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3546	$NEXT_RUNTIME_WRITE = $NOW + 10;	3866	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3547	Coro::async_pool {	3867	Coro::async_pool {
3548	$Coro::current->{desc} = "runtime saver";	3868	$Coro::current->{desc} = "runtime saver";
3549	write_runtime	3869	write_runtime_sync
3550	or warn "ERROR: unable to write runtime file: $!";	3870	or warn "ERROR: unable to write runtime file: $!";
3551	};
3552	}	3871	};
		3872	}
3553		3873
3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3874	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3555	$sig->send;	3875	$sig->send;
3556	}	3876	}
3557	while (my $sig = shift @WAIT_FOR_TICK) {	3877	while (my $sig = shift @WAIT_FOR_TICK) {
3558	$sig->send;	3878	$sig->send;
3559	}	3879	}
3560		3880
3561	$NOW = Event::time;	3881	$LOAD = ($NOW - $TICK_START) / $TICK;
3562
3563	# if we are delayed by four ticks or more, skip them all
3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3565
3566	$TICK_WATCHER->at ($NEXT_TICK);
3567	$TICK_WATCHER->start;
3568
3569	$LOAD = ($NOW - $tick_start) / $TICK;
3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3882	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3571		3883
3572	_post_tick;	3884	if (0) {
		3885	if ($NEXT_TICK) {
		3886	my $jitter = $TICK_START - $NEXT_TICK;
		3887	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3888	warn "jitter $JITTER\n";#d#
		3889	}
3573	},	3890	}
3574	);	3891	}
3575		3892
3576	{	3893	{
		3894	# configure BDB
		3895
3577	BDB::min_parallel 8;	3896	BDB::min_parallel 8;
3578	BDB::max_poll_time $TICK * 0.1;	3897	BDB::max_poll_reqs $TICK * 0.1;
3579	$BDB_POLL_WATCHER = Event->io (	3898	$AnyEvent::BDB::WATCHER->priority (1);
3580	reentrant => 0,
3581	fd => BDB::poll_fileno,
3582	poll => 'r',
3583	prio => 0,
3584	data => WF_AUTOCANCEL,
3585	cb => \&BDB::poll_cb,
3586	);
3587
3588	BDB::set_sync_prepare {
3589	my $status;
3590	my $current = $Coro::current;
3591	(
3592	sub {
3593	$status = $!;
3594	$current->ready; undef $current;
3595	},
3596	sub {
3597	Coro::schedule while defined $current;
3598	$! = $status;
3599	},
3600	)
3601	};
3602		3899
3603	unless ($DB_ENV) {	3900	unless ($DB_ENV) {
3604	$DB_ENV = BDB::db_env_create;	3901	$DB_ENV = BDB::db_env_create;
3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3902	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3606	| BDB::LOG_AUTOREMOVE, 1);	3903	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3904	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3905	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3906	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3609		3907
3610	cf::sync_job {	3908	cf::sync_job {
3611	eval {	3909	eval {
…		…
3621		3919
3622	cf::cleanup "db_env_open(db): $@" if $@;	3920	cf::cleanup "db_env_open(db): $@" if $@;
3623	};	3921	};
3624	}	3922	}
3625		3923
3626	$BDB_DEADLOCK_WATCHER = Event->timer (	3924	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3627	after => 3,
3628	interval => 1,
3629	hard => 1,
3630	prio => 0,
3631	data => WF_AUTOCANCEL,
3632	cb => sub {
3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3925	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3634	},
3635	);	3926	};
3636	$BDB_CHECKPOINT_WATCHER = Event->timer (	3927	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3637	after => 11,
3638	interval => 60,
3639	hard => 1,
3640	prio => 0,
3641	data => WF_AUTOCANCEL,
3642	cb => sub {
3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3928	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3644	},
3645	);	3929	};
3646	$BDB_TRICKLE_WATCHER = Event->timer (	3930	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3647	after => 5,
3648	interval => 10,
3649	hard => 1,
3650	prio => 0,
3651	data => WF_AUTOCANCEL,
3652	cb => sub {
3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3931	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3654	},
3655	);	3932	};
3656	}	3933	}
3657		3934
3658	{	3935	{
		3936	# configure IO::AIO
		3937
3659	IO::AIO::min_parallel 8;	3938	IO::AIO::min_parallel 8;
3660
3661	undef $Coro::AIO::WATCHER;
3662	IO::AIO::max_poll_time $TICK * 0.1;	3939	IO::AIO::max_poll_time $TICK * 0.1;
3663	$AIO_POLL_WATCHER = Event->io (	3940	undef $AnyEvent::AIO::WATCHER;
3664	reentrant => 0,
3665	data => WF_AUTOCANCEL,
3666	fd => IO::AIO::poll_fileno,
3667	poll => 'r',
3668	prio => 0,
3669	cb => \&IO::AIO::poll_cb,
3670	);
3671	}	3941	}
3672		3942
3673	my $_log_backtrace;	3943	my $_log_backtrace;
3674		3944
3675	sub _log_backtrace {	3945	sub _log_backtrace {
…		…
3678	$msg =~ s/\n//;	3948	$msg =~ s/\n//;
3679		3949
3680	# limit the # of concurrent backtraces	3950	# limit the # of concurrent backtraces
3681	if ($_log_backtrace < 2) {	3951	if ($_log_backtrace < 2) {
3682	++$_log_backtrace;	3952	++$_log_backtrace;
		3953	my $perl_bt = Carp::longmess $msg;
3683	async {	3954	async {
3684	$Coro::current->{desc} = "abt $msg";	3955	$Coro::current->{desc} = "abt $msg";
3685		3956
3686	my @bt = fork_call {	3957	my @bt = fork_call {
3687	@addr = map { sprintf "%x", $_ } @addr;	3958	@addr = map { sprintf "%x", $_ } @addr;
…		…
3698	}	3969	}
3699		3970
3700	@funcs	3971	@funcs
3701	};	3972	};
3702		3973
3703	LOG llevInfo, "[ABT] $msg\n";	3974	LOG llevInfo, "[ABT] $perl_bt\n";
		3975	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3704	LOG llevInfo, "[ABT] $_\n" for @bt;	3976	LOG llevInfo, "[ABT] $_\n" for @bt;
3705	--$_log_backtrace;	3977	--$_log_backtrace;
3706	};	3978	};
3707	} else {	3979	} else {
3708	LOG llevInfo, "[ABT] $msg\n";	3980	LOG llevInfo, "[ABT] $msg\n";
3709	LOG llevInfo, "[ABT] [suppressed]\n";	3981	LOG llevInfo, "[ABT] [suppressed]\n";
3710	}	3982	}
3711	}	3983	}
3712		3984
3713	# load additional modules	3985	# load additional modules
3714	use cf::pod;	3986	require "cf/$_.pm" for @EXTRA_MODULES;
		3987	cf::_connect_to_perl_2;
3715		3988
3716	END { cf::emergency_save }	3989	END { cf::emergency_save }
3717		3990
3718	1	3991	1
3719		3992

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