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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.510 by root, Tue Apr 6 22:59:28 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 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 Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
71		112
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	115	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
82		124
83	our %CFG;	125	our %CFG;
84		126
85	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
87		130
88	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
91		134
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		137
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
97	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 $REALLY_UNLOOP; # never set to true, please :)
98		147
99	binmode STDOUT;	148	binmode STDOUT;
100	binmode STDERR;	149	binmode STDERR;
101		150
102	# read virtual server time, if available	151	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
107	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
108		159
109	mkdir $_	160	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		162
112	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
113		164
114	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::"} };
115		177
116	#############################################################################	178	#############################################################################
117		179
118	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
119		181
…		…
155		217
156	The raw value load value from the last tick.	218	The raw value load value from the last tick.
157		219
158	=item %cf::CFG	220	=item %cf::CFG
159		221
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	223	from wherever your confdir points to.
162		224
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		226
165	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
166	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		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
169	=back	243	=back
170		244
171	=cut	245	=cut
172		246
173	BEGIN {	247	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	248	my $msg = join "", @_;
176		249
177	$msg .= "\n"	250	$msg .= "\n"
178	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
179		252
180	$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;
181		254
182	utf8::encode $msg;
183	LOG llevError, $msg;	255	LOG llevError, $msg;
184	};	256	};
185	}	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	};
186		271
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	282	for my $pkg (qw(
198	cf::global cf::attachable	283	cf::global cf::attachable
199	cf::object cf::object::player	284	cf::object cf::object::player
200	cf::client cf::player	285	cf::client cf::player
201	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
202	cf::map cf::party cf::region	288	cf::party cf::region
203	)) {	289	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	291	}
207		292
208	$Event::DIED = sub {	293	$EV::DIED = sub {
209	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
210	};	295	};
		296
		297	#############################################################################
211		298
212	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
213		300
214	=over 4	301	=over 4
215		302
…		…
234	$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;
235	$d	322	$d
236	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
237	}	324	}
238		325
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
242		327
243	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
244		329
245	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
246		331
247	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
248		333
		334	=cut
		335
		336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		337
		338	sub encode_json($) { $json_coder->encode ($_[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	}
		354
249	=item cf::lock_wait $string	355	=item cf::lock_wait $string
250		356
251	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
252		358
253	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
254		360
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
258	returned.	364	returned.
259		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
260	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
262		371
263	=item $locked = cf::lock_active $string	372	=item $locked = cf::lock_active $string
264		373
265	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.
266		375
267	=cut	376	=cut
268		377
269	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
270		379
271	sub lock_wait($) {	380	sub lock_wait($) {
272	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	382	}
280		383
281	sub lock_acquire($) {	384	sub lock_acquire($) {
282	my ($key) = @_;	385	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	386	}
294		387
295	sub lock_active($) {	388	sub lock_active($) {
296	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	390	}
300		391
301	sub freeze_mainloop {	392	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
303		394
304	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
306	};	462	}
307	$TICK_WATCHER->stop;	463	};
308	$guard	464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
309	}	478	}
310		479
311	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
312		481
313	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		487
319	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
320		489
321	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
322		491
323	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
326		496
327	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
330	fast or be very important.	500	fast or be very important.
…		…
333		503
334	sub sync_job(&) {	504	sub sync_job(&) {
335	my ($job) = @_;	505	my ($job) = @_;
336		506
337	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	508	my $time = EV::time;
339		509
340	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
342		512
343	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	514
345	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
346		516
347	my $busy = 1;	517	my $busy = 1;
348	my @res;	518	my @res;
349		519
350	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	522	@res = eval { $job->() };
352	warn $@ if $@;	523	warn $@ if $@;
353	undef $busy;	524	undef $busy;
354	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
355		526
356	while ($busy) {	527	while ($busy) {
357	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
358	}	532	}
		533	}
359		534
360	$time = Event::time - $time;	535	my $time = EV::time - $time;
361		536
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
366		538
367	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
368	} else {	540	} else {
369	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
370		542
…		…
390	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
391		563
392	$coro	564	$coro
393	}	565	}
394		566
395	sub write_runtime {	567	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		568
398	# first touch the runtime file to show we are still running:	569	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
400		573
401	IO::AIO::aio_utime $runtime, undef, undef;	574	=cut
402		575
403	my $guard = cf::lock_acquire "write_runtime";	576	sub fork_call(&@) {
		577	my ($cb, @args) = @_;
404		578
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	579	# we seemingly have to make a local copy of the whole thing,
406	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
407		582
408	my $value = $cf::RUNTIME + 90 + 10;	583	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	584	reset_signals;
410	# 60 allows for the watchdog to kill the server.	585	&$cb
		586	}, @args;
411		587
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	588	wantarray ? @res : $res[-1]
413	and return;	589	}
414		590
415	# always fsync - this file is important	591	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		592
419	# touch it again to show we are up-to-date	593	=cut
420	aio_utime $fh, undef, undef;
421		594
422	close $fh	595	our %coin_alias = (
423	or return;	596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
424		611
425	aio_rename "$runtime~", $runtime	612	sub coin_from_name($) {
426	and return;	613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
427		617
428	warn "runtime file written.\n";	618	=item $value = cf::db_get $family => $key
429		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
430	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
431	}	743	}
432		744
433	=item cf::datalog type => key => value, ...	745	=item cf::datalog type => key => value, ...
434		746
435	Log a datalog packet of the given type with the given key-value pairs.	747	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		759
448	#############################################################################	760	#############################################################################
449		761
450	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
451		763
452	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
455		767
456	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	770	Deliantra).
459		771
460	=over 4	772	=over 4
461		773
462	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
463		775
…		…
507	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
508		820
509	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
511		823
512	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
514		826
515	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
516		828
517	=over 4	829	=over 4
…		…
665	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
666	}	978	}
667		979
668	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
669	} else {	981	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	983	}
672		984
673	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
674	}	986	}
675		987
…		…
715	";	1027	";
716	die if $@;	1028	die if $@;
717	}	1029	}
718		1030
719	our $override;	1031	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1033
722	sub override {	1034	sub override {
723	$override = 1;	1035	$override = 1;
724	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
725	}	1037	}
726		1038
727	sub do_invoke {	1039	sub do_invoke {
728	my $event = shift;	1040	my $event = shift;
729	my $callbacks = shift;	1041	my $callbacks = shift;
730		1042
731	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
732		1044
733	local $override;	1045	local $override;
734		1046
735	for (@$callbacks) {	1047	for (@$callbacks) {
736	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
745	}	1057	}
746		1058
747	0	1059	0
748	}	1060	}
749		1061
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1063
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1065
754	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
755		1067
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1071
760	=back	1072	=back
761		1073
762	=cut	1074	=cut
763		1075
764	#############################################################################	1076	#############################################################################
765	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
766		1120
767	sub reattach {	1121	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1123	my ($obj) = @_;
770		1124
		1125	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1127
773	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
774		1129
775	@$registry = ();	1130	@$registry = ();
776		1131
…		…
791	cf::attachable->attach (	1146	cf::attachable->attach (
792	prio => -1000000,	1147	prio => -1000000,
793	on_instantiate => sub {	1148	on_instantiate => sub {
794	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
795		1150
796	$data = from_json $data;	1151	$data = decode_json $data;
797		1152
798	for (@$data) {	1153	for (@$data) {
799	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
800		1155
801	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1172	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
819		1174
820	sync_job {	1175	sync_job {
821	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
824		1180
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1186	aio_fsync $fh;
		1187	}
829	close $fh;	1188	aio_close $fh;
830		1189
831	if (@$objs) {	1190	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	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;
		1197	aio_fsync $fh;
		1198	}
837	close $fh;	1199	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
839	}	1201	}
840	} else {	1202	} else {
841	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
842	}	1204	}
843		1205
844	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1210	} else {
846	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
847	}	1212	}
848	} else {	1213	} else {
849	aio_unlink $filename;	1214	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
851	}	1216	}
852	}	1217	};
853	}	1218	}
854		1219
855	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
857		1222
…		…
869	or return;	1234	or return;
870		1235
871	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
873	or return;	1238	or return;
		1239
874	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
875	}	1242	}
876		1243
		1244	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
879	return ($data, $av);	1248	($data, $av)
880	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
881		1256
882	#############################################################################	1257	#############################################################################
883	# command handling &c	1258	# command handling &c
884		1259
885	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1274	}
900		1275
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1277
903	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
904		1283
905	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
906	called.	1285	called.
907		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
908	=cut	1298	=cut
909		1299
910	sub register_extcmd {	1300	sub register_extcmd {
911	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
912		1302
913	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
914	}	1304	}
915		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
		1313
916	cf::player->attach (	1314	cf::player->attach (
917	on_command => sub {	1315	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
919		1317
920	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
921	or return;	1319	or return;
922		1320
…		…
927	cf::override;	1325	cf::override;
928	},	1326	},
929	on_extcmd => sub {	1327	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
931		1329
932	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1331
934	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
940	} else {	1347	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1349	}
943		1350
944	cf::override;	1351	cf::override;
945	},	1352	},
946	);	1353	);
		1354
		1355	# "readahead" all extensions
		1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
		1358
		1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
		1364
		1365	$grp
		1366	}
947		1367
948	sub load_extensions {	1368	sub load_extensions {
949	cf::sync_job {	1369	cf::sync_job {
950	my %todo;	1370	my %todo;
951		1371
…		…
967	path => $path,	1387	path => $path,
968	base => $base,	1388	base => $base,
969	pkg => $pkg,	1389	pkg => $pkg,
970	);	1390	);
971		1391
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1394
975	$ext{source} =	1395	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
978	. $source	1398	. $source
979	. "\n};\n1";	1399	. "\n};\n1";
980		1400
981	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
982	}	1402	}
983		1403
		1404	my $pass = 0;
984	my %done;	1405	my %done;
985	while (%todo) {	1406	while (%todo) {
986	my $progress;	1407	my $progress;
987		1408
		1409	++$pass;
		1410
		1411	ext:
988	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1414	next ext
991	unless exists $done{$_};	1415	unless exists $done{$_};
992	}	1416	}
993		1417
994	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1419
996	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1001	warn $msg;	1427	} else {
1002	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1003	exit 1;	1429	push @EXTS, $v->{pkg};
1004	}	1430	$progress = 1;
1005		1431
1006	die $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1007	}	1434	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1435	}
1012		1436
1013	skip:	1437	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	unless $progress;	1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
1016	}	1445	}
1017	};	1446	};
1018	}	1447	}
1019		1448
1020	#############################################################################	1449	#############################################################################
1021		1450
		1451	=back
		1452
1022	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1023		1454
1024	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1025		1456
1026	=cut	1457	=cut
1027		1458
1028	package cf::player;	1459	package cf::player;
1029		1460
1030	use Coro::AIO;	1461	use Coro::AIO;
1031		1462
1032	=head3 cf::player	1463	=head3 cf::player
1033		1464
1034	=over 4	1465	=over 4
		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
1035		1480
1036	=item cf::player::find $login	1481	=item cf::player::find $login
1037		1482
1038	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1039		1484
…		…
1058		1503
1059	sub exists($) {	1504	sub exists($) {
1060	my ($login) = @_;	1505	my ($login) = @_;
1061		1506
1062	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1064	}	1509	}
1065		1510
1066	sub find($) {	1511	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1513	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1524
1080	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1083	}	1534	}
1084	}	1535	}
1085	}	1536	}
1086		1537
…		…
1095	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1096		1547
1097	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1099		1550
		1551	cf::get_slot 0.01;
		1552
1100	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1101	Coro::cede;	1554	cf::cede_to_tick;
1102	}	1555	}
1103		1556
1104	sub new($) {	1557	sub new($) {
1105	my ($login) = @_;	1558	my ($login) = @_;
1106		1559
…		…
1112	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1113		1566
1114	$self	1567	$self
1115	}	1568	}
1116		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
1117	=item $pl->quit_character	1580	=item $pl->quit_character
1118		1581
1119	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1121		1584
…		…
1125	my ($pl) = @_;	1588	my ($pl) = @_;
1126		1589
1127	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1128		1591
1129	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1594
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1136		1601
1137	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1639	or return [];
1175		1640
1176	my @logins;	1641	my @logins;
1177		1642
1178	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1182		1653
1183	utf8::decode $login;	1654	utf8::decode $login;
1184	push @logins, $login;	1655	push @logins, $login;
1185	}	1656	}
1186		1657
…		…
1213	}	1684	}
1214		1685
1215	\@paths	1686	\@paths
1216	}	1687	}
1217		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1218	=item $player->ext_reply ($msgid, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1219		1694
1220	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1221		1696
1222	=cut	1697	=cut
1223		1698
1224	sub ext_reply($$%) {	1699	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1226		1701
1227	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1703	}
1231		1704
1232	=item $player->ext_event ($type, %msg)	1705	=item $player->ext_msg ($type, @msg)
1233		1706
1234	Sends an ext event to the client.	1707	Sends an ext event to the client.
1235		1708
1236	=cut	1709	=cut
1237		1710
1238	sub ext_event($$%) {	1711	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1712	my ($self, $type, @msg) = @_;
1240		1713
1241	$self->ns->ext_event ($type, %msg);	1714	$self->ns->ext_msg ($type, @msg);
1242	}	1715	}
1243		1716
1244	=head3 cf::region	1717	=head3 cf::region
1245		1718
1246	=over 4	1719	=over 4
…		…
1249		1722
1250	package cf::region;	1723	package cf::region;
1251		1724
1252	=item cf::region::find_by_path $path	1725	=item cf::region::find_by_path $path
1253		1726
1254	Tries to decuce the probable region for a map knowing only its path.	1727	Tries to decuce the likely region for a map knowing only its path.
1255		1728
1256	=cut	1729	=cut
1257		1730
1258	sub find_by_path($) {	1731	sub find_by_path($) {
1259	my ($path) = @_;	1732	my ($path) = @_;
1260		1733
1261	my ($match, $specificity);	1734	my ($match, $specificity);
1262		1735
1263	for my $region (list) {	1736	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1737	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1738	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1739	if $region->specificity > $specificity;
1267	}	1740	}
1268	}	1741	}
1269		1742
…		…
1290	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1292		1765
1293	sub generate_random_map {	1766	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1295	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1772	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1389	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1390	return $self;	1866	return $self;
1391	}	1867	}
1392	}	1868	}
1393		1869
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1871	()
1396	}	1872	}
1397		1873
1398	sub init {	1874	sub init {
1399	my ($self) = @_;	1875	my ($self) = @_;
…		…
1421		1897
1422	# the temporary/swap location	1898	# the temporary/swap location
1423	sub save_path {	1899	sub save_path {
1424	my ($self) = @_;	1900	my ($self) = @_;
1425		1901
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1428	}	1904	}
1429		1905
1430	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1431	sub uniq_path {	1907	sub uniq_path {
1432	my ($self) = @_;	1908	my ($self) = @_;
1433		1909
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1912	}
1446		1913
1447	sub decay_objects {	1914	sub decay_objects {
1448	my ($self) = @_;	1915	my ($self) = @_;
1449		1916
…		…
1462		1929
1463	sub load_header_from($) {	1930	sub load_header_from($) {
1464	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1465		1932
1466	utf8::encode $path;	1933	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1935	or return;
		1936
		1937	$self->_load_header ($f)
		1938	or return;
		1939
		1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
1472		1942
1473	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1474		1944
1475	1	1945	1
1476	}	1946	}
…		…
1530	sub find {	2000	sub find {
1531	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1532		2002
1533	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1534		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2007
1537	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1540	or return;	2010	or return;
1541		2011
1542	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1543		2013
…		…
1545	or return;	2015	or return;
1546		2016
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1550	$map->reset;	2022	$map->reset;
1551	undef $guard;
1552	return find $path;	2023	return find $path;
1553	}	2024	}
1554		2025
1555	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1556	}	2027	}
1557	}	2028	}
1558		2029
1559	sub pre_load { }	2030	sub pre_load { }
1560	sub post_load { }	2031	#sub post_load { } # XS
1561		2032
1562	sub load {	2033	sub load {
1563	my ($self) = @_;	2034	my ($self) = @_;
1564		2035
1565	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1566		2037
1567	my $path = $self->{path};	2038	my $path = $self->{path};
1568		2039
1569	{	2040	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1571		2042
		2043	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2045
1574	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1575		2047
1576	$self->alloc;	2048	$self->alloc;
1577		2049
1578	$self->pre_load;	2050	$self->pre_load;
1579	Coro::cede;	2051	cf::cede_to_tick;
1580		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2055	$self->_load_objects ($f)
1582	or return;	2056	or return;
1583		2057
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1585	if delete $self->{load_original};	2059	if delete $self->{load_original};
1586		2060
1587	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2062	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2065	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1592	}	2069	}
1593	}	2070	}
1594		2071
1595	Coro::cede;	2072	$f->resolve_delayed_derefs;
		2073
		2074	cf::cede_to_tick;
1596	# now do the right thing for maps	2075	# now do the right thing for maps
1597	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2078	unless $self->difficulty;
1600	Coro::cede;	2079	cf::cede_to_tick;
1601		2080
1602	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2082	$self->decay_objects;
1604	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
1605	$self->update_buttons;	2084	$self->update_buttons;
1606	Coro::cede;	2085	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2086	$self->activate;
1610	}	2087	}
1611		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2093	}
1614		2094
1615	$self->post_load;	2095	$self->post_load;
1616	}	2096	}
1617		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2101	sub customise_for {
1619	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1620		2103
1621	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2105	if $self->per_player;
…		…
1626		2109
1627	$self	2110	$self
1628	}	2111	}
1629		2112
1630	# find and load all maps in the 3x3 area around a map	2113	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2114	sub load_neighbours {
1632	my ($map) = @_;	2115	my ($map) = @_;
1633		2116
1634	my @diag; # diagonal neighbours	2117	my @neigh; # diagonal neighbours
1635		2118
1636	for (0 .. 3) {	2119	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2120	my $neigh = $map->tile_path ($_)
1638	or next;	2121	or next;
1639	$neigh = find $neigh, $map	2122	$neigh = find $neigh, $map
1640	or next;	2123	or next;
1641	$neigh->load;	2124	$neigh->load;
1642		2125
		2126	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2129	}
1646		2130
1647	for (@diag) {	2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2133	my $neigh = find $path, $origin
1649	or next;	2134	or next;
1650	$neigh->load;	2135	$neigh->load;
1651	}	2136	}
1652	}	2137	}
1653		2138
…		…
1658	}	2143	}
1659		2144
1660	sub do_load_sync {	2145	sub do_load_sync {
1661	my ($map) = @_;	2146	my ($map) = @_;
1662		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1663	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
1664	}	2152	}
1665		2153
1666	our %MAP_PREFETCH;	2154	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2155	our $MAP_PREFETCHER = undef;
1668		2156
1669	sub find_async {	2157	sub find_async {
1670	my ($path, $origin) = @_;	2158	my ($path, $origin, $load) = @_;
1671		2159
1672	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
1673		2161
1674	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2164	}
1677		2165
1678	undef $MAP_PREFETCH{$path};	2166	$MAP_PREFETCH{$path} |= $load;
		2167
1679	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
1680	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2173	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2174	$map->load if $v;
		2175	}
1685		2176
1686	delete $MAP_PREFETCH{$path};	2177	delete $MAP_PREFETCH{$k};
1687	}	2178	}
1688	}	2179	}
1689	undef $MAP_PREFETCHER;	2180	undef $MAP_PREFETCHER;
1690	};	2181	};
1691	$MAP_PREFETCHER->prio (6);	2182	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2185	}
1695		2186
1696	sub save {	2187	sub save {
1697	my ($self) = @_;	2188	my ($self) = @_;
1698		2189
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2191
1701	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
1702		2193
1703	return unless $self->dirty;	2194	return unless $self->dirty;
1704		2195
…		…
1710	return if $self->{deny_save};	2201	return if $self->{deny_save};
1711		2202
1712	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
1713		2204
1714	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
1716	};	2208	};
		2209
		2210	cf::get_slot 0.02;
1717		2211
1718	if ($uniq) {	2212	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2215	} else {
…		…
1727	my ($self) = @_;	2221	my ($self) = @_;
1728		2222
1729	# save first because save cedes	2223	# save first because save cedes
1730	$self->save;	2224	$self->save;
1731		2225
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2227
1734	return if $self->players;	2228	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
1736	return if $self->{deny_save};	2230	return if $self->{deny_save};
1737		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2236	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2237	}
1741		2238
1742	sub reset_at {	2239	sub reset_at {
1743	my ($self) = @_;	2240	my ($self) = @_;
1744		2241
…		…
1762		2259
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2261
1765	return if $self->players;	2262	return if $self->players;
1766		2263
1767	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
1768		2265
1769	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
1770		2267
1771	# need to save uniques path	2268	# need to save uniques path
1772	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2273	if $uniq;
1777	}	2274	}
1778		2275
1779	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1780		2277
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2280	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2281
1785	$self->unlink_save;	2282	$self->unlink_save;
1786	$self->destroy;	2283	$self->destroy;
1787	}	2284	}
1788		2285
1789	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
1790		2287
1791	sub nuke {	2288	sub nuke {
1792	my ($self) = @_;	2289	my ($self) = @_;
1793		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
1794	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1795		2295
1796	$self->unlink_save;	2296	$self->unlink_save;
1797		2297
1798	bless $self, "cf::map";	2298	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2299	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2303
1804	$cf::MAP{$self->path} = $self;	2304	$cf::MAP{$self->path} = $self;
		2305	}
1805		2306
1806	$self->reset; # polite request, might not happen	2307	$self->reset; # polite request, might not happen
1807	}	2308	}
1808		2309
1809	=item $maps = cf::map::tmp_maps	2310	=item $maps = cf::map::tmp_maps
…		…
1851		2352
1852	sub unique_maps() {	2353	sub unique_maps() {
1853	[	2354	[
1854	map {	2355	map {
1855	utf8::decode $_;	2356	utf8::decode $_;
1856	/\.map$/	2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
1857	? normalise $_	2360	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2362	]
1861	}	2363	}
1862		2364
1863	package cf;	2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
1864		2396
1865	=back	2397	=back
1866		2398
1867	=head3 cf::object	2399	=head3 cf::object
1868		2400
…		…
1872		2404
1873	=over 4	2405	=over 4
1874		2406
1875	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1876		2408
1877	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1878		2411
1879	=cut	2412	=cut
1880		2413
1881	sub inv_recursive_;	2414	sub inv_recursive_;
1882	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1885		2418
1886	sub inv_recursive {	2419	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1888	}	2421	}
1889		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1890	package cf;	2451	package cf;
1891		2452
1892	=back	2453	=back
1893		2454
1894	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1903		2464
1904	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1905		2480
1906	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2482	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1911		2486
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2488
1914	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1916	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1919	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1920	}	2514	}
1921		2515
1922	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1923		2517
1924	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1937		2531
1938	=item $player_object->enter_link	2532	=item $player_object->enter_link
1939		2533
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2535
1942	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
1944		2540
1945	Will never block.	2541	Will never block.
1946		2542
1947	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
1948		2544
…		…
2000	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2002		2598
2003	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2006		2602
2007	$map->load;	2603	$map->load;
2008	$map->load_diag;	2604	$map->load_neighbours;
2009		2605
2010	return unless $self->contr->active;	2606	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2607
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
2015	}
2016		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
		2613	}
		2614
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2616
2019	Moves the player to the given map-path and coordinates by first freezing	2617	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2618	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2619	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2620	the new (success) or old (failed) map position. In either case, $done will
		2621	be called at the end of this process.
		2622
		2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
2023		2625
2024	=cut	2626	=cut
2025		2627
2026	our $GOTOGEN;	2628	our $GOTOGEN;
2027		2629
2028	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2631	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2632
2031	# do generation counting so two concurrent goto's will be executed in-order	2633	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2635
2034	$self->enter_link;	2636	$self->enter_link;
2035		2637
2036	(async {	2638	(async {
		2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
		2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
2037	my $map = eval {	2660	my $map = eval {
2038	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
2039		2662
2040	if ($map) {	2663	if ($map) {
2041	$map = $map->customise_for ($self);	2664	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2665	$map = $check->($map) if $check && $map;
2043	} else {	2666	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2668	}
2046		2669
2047	$map	2670	$map
2048	};	2671	};
2049		2672
…		…
2054		2677
2055	if ($gen == $self->{_goto_generation}) {	2678	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2679	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2680	$self->leave_link ($map, $x, $y);
2058	}	2681	}
		2682
		2683	$done->() if $done;
2059	})->prio (1);	2684	})->prio (1);
2060	}	2685	}
2061		2686
2062	=item $player_object->enter_exit ($exit_object)	2687	=item $player_object->enter_exit ($exit_object)
2063		2688
…		…
2083	}	2708	}
2084		2709
2085	sub prepare_random_map {	2710	sub prepare_random_map {
2086	my ($exit) = @_;	2711	my ($exit) = @_;
2087		2712
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2715	# that depends on the exit object
2093		2716
2094	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2719	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
2101	}	2726	}
2102		2727
2103	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
2104		2729
2105	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
2108		2733
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2736	undef $fh;
2112	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
2113		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2116	}	2745	}
2117	}	2746	}
2118		2747
2119	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2121		2750
2122	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2123		2752
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2753	$self->enter_link;
2136		2754
2137	(async {	2755	(async {
2138	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
2139	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
2140	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2141		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
2142	1;	2779	1
2143	}) {	2780	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2785
2149	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2168		2805
2169	utf8::encode $text;	2806	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2808	}
2172		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
		2833	}
		2834
		2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2836
		2837	Send a drawinfo or msg packet to the client, formatting the msg for the
		2838	client if neccessary. C<$type> should be a string identifying the type of
		2839	the message, with C<log> being the default. If C<$color> is negative, suppress
		2840	the message unless the client supports the msg packet.
		2841
		2842	=cut
		2843
		2844	# non-persistent channels (usually the info channel)
		2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
		2852	"c/identify" => {
		2853	id => "infobox",
		2854	title => "Identify",
		2855	reply => undef,
		2856	tooltip => "Items recently identified",
		2857	},
		2858	"c/examine" => {
		2859	id => "infobox",
		2860	title => "Examine",
		2861	reply => undef,
		2862	tooltip => "Signs and other items you examined",
		2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
		2956	);
		2957
		2958	sub cf::client::send_msg {
		2959	my ($self, $channel, $msg, $color, @extra) = @_;
		2960
		2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
		2963
		2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2965
		2966	# check predefined channels, for the benefit of C
		2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
		2973	} elsif (ref $channel) {
		2974	# send meta info to client, if not yet sent
		2975	unless (exists $self->{channel}{$channel->{id}}) {
		2976	$self->{channel}{$channel->{id}} = $channel;
		2977	$self->ext_msg (channel_info => $channel);
		2978	}
		2979
		2980	$channel = $channel->{id};
		2981	}
		2982
		2983	return unless @extra || length $msg;
		2984
		2985	# default colour, mask it out
		2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2987	if $color & cf::NDI_DEF;
		2988
		2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
		2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2992	);
		2993
		2994	$self->send_big_packet ($pkt);
		2995	}
		2996
2173	=item $client->ext_event ($type, %msg)	2997	=item $client->ext_msg ($type, @msg)
2174		2998
2175	Sends an exti event to the client.	2999	Sends an ext event to the client.
2176		3000
2177	=cut	3001	=cut
2178		3002
2179	sub cf::client::ext_event($$%) {	3003	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3004	my ($self, $type, @msg) = @_;
2181		3005
		3006	if ($self->extcmd == 2) {
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3009	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
		3013
		3014	=item $client->ext_reply ($msgid, @msg)
		3015
		3016	Sends an ext reply to the client.
		3017
		3018	=cut
		3019
		3020	sub cf::client::ext_reply($$@) {
		3021	my ($self, $id, @msg) = @_;
		3022
		3023	if ($self->extcmd == 2) {
		3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3025	} elsif ($self->extcmd == 1) {
		3026	#TODO: version 1, remove
		3027	unshift @msg, msgtype => "reply", msgid => $id;
		3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3029	}
2184	}	3030	}
2185		3031
2186	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2187		3033
2188	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3035	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3036	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3037
2192	Queries can fail, so check the return code. Or don't, as queries will become	3038	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3039	become reliable at some point in the future.
2194		3040
2195	=cut	3041	=cut
2196		3042
2197	sub cf::client::query {	3043	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3044	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3052	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3053	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3054
2209	$self->send_packet ($self->{query_queue}[0][0])	3055	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3056	if @{ $self->{query_queue} } == 1;
		3057
		3058	1
2211	}	3059	}
2212		3060
2213	cf::client->attach (	3061	cf::client->attach (
		3062	on_connect => sub {
		3063	my ($ns) = @_;
		3064
		3065	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3066	},
2214	on_reply => sub {	3067	on_reply => sub {
2215	my ($ns, $msg) = @_;	3068	my ($ns, $msg) = @_;
2216		3069
2217	# this weird shuffling is so that direct followup queries	3070	# this weird shuffling is so that direct followup queries
2218	# get handled first	3071	# get handled first
…		…
2230	} else {	3083	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3085	}
2233	}	3086	}
2234	},	3087	},
		3088	on_exticmd => sub {
		3089	my ($ns, $buf) = @_;
		3090
		3091	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3092
		3093	if (ref $msg) {
		3094	my ($type, $reply, @payload) =
		3095	"ARRAY" eq ref $msg
		3096	? @$msg
		3097	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3098
		3099	my @reply;
		3100
		3101	if (my $cb = $EXTICMD{$type}) {
		3102	@reply = $cb->($ns, @payload);
		3103	}
		3104
		3105	$ns->ext_reply ($reply, @reply)
		3106	if $reply;
		3107
		3108	} else {
		3109	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3110	}
		3111
		3112	cf::override;
		3113	},
2235	);	3114	);
2236		3115
2237	=item $client->async (\&cb)	3116	=item $client->async (\&cb)
2238		3117
2239	Create a new coroutine, running the specified callback. The coroutine will	3118	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3134
2256	$coro	3135	$coro
2257	}	3136	}
2258		3137
2259	cf::client->attach (	3138	cf::client->attach (
2260	on_destroy => sub {	3139	on_client_destroy => sub {
2261	my ($ns) = @_;	3140	my ($ns) = @_;
2262		3141
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3142	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3143	},
2265	);	3144	);
…		…
2280	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2282		3161
2283	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2284		3163
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3164	$safe->permit_only (Opcode::opset qw(
		3165	:base_core :base_mem :base_orig :base_math :base_loop
		3166	grepstart grepwhile mapstart mapwhile
		3167	sort time
		3168	));
2286		3169
2287	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
2288		3171
2289	=pod	3172	=pod
2290		3173
2291	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2292		3175
2293	cf::object contr pay_amount pay_player map	3176	cf::object
		3177	contr pay_amount pay_player map x y force_find force_add destroy
		3178	insert remove name archname title slaying race decrease split
		3179	value
		3180
2294	cf::object::player player	3181	cf::object::player
2295	cf::player peaceful	3182	player
2296	cf::map trigger	3183
		3184	cf::player
		3185	peaceful
		3186
		3187	cf::map
		3188	trigger
2297		3189
2298	=cut	3190	=cut
2299		3191
2300	for (	3192	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3194	insert remove inv nrof name archname title slaying race
		3195	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2305	) {	3199	) {
2306	no strict 'refs';	3200	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2326		3220
2327	my $qcode = $code;	3221	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2330		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2331	local $_;	3228	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3229
2334	my $eval =	3230	my $eval =
2335	"do {\n"	3231	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3234	. $code
2339	. "\n}"	3235	. "\n}"
2340	;	3236	;
2341		3237
		3238	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2345		3247
2346	if ($@) {	3248	if ($@) {
2347	warn "$@";	3249	warn "$@";
2348	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2349	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2368	=cut	3270	=cut
2369		3271
2370	sub register_script_function {	3272	sub register_script_function {
2371	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2372		3274
2373	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2375	}	3277	}
2376		3278
2377	=back	3279	=back
2378		3280
2379	=cut	3281	=cut
2380
2381	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552		3282
2553	#############################################################################	3283	#############################################################################
2554	# the server's init and main functions	3284	# the server's init and main functions
2555		3285
2556	sub load_facedata($) {	3286	sub load_facedata($) {
2557	my ($path) = @_;	3287	my ($path) = @_;
		3288
		3289	# HACK to clear player env face cache, we need some signal framework
		3290	# for this (global event?)
		3291	%ext::player_env::MUSIC_FACE_CACHE = ();
		3292
		3293	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3294
2559	warn "loading facedata from $path\n";	3295	warn "loading facedata from $path\n";
2560		3296
2561	my $facedata;	3297	my $facedata;
2562	0 < aio_load $path, $facedata	3298	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3301	$facedata = Coro::Storable::thaw $facedata;
2566		3302
2567	$facedata->{version} == 2	3303	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3305
		3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3308	$facedata->{resource}{"res/exp_table"} = {
		3309	type => FT_RSRC,
		3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
		3312	};
		3313	cf::cede_to_tick;
		3314
2570	{	3315	{
2571	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
2572		3317
2573	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3321	cf::face::set_visibility $idx, $info->{visibility};
		3322	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3325
		3326	cf::cede_to_tick;
2579	}	3327	}
2580		3328
2581	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
2583	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
2584	or next;	3333	or next;
		3334
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
		3336	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3338	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3340	}
2590	Coro::cede;	3341
		3342	cf::cede_to_tick;
2591	}	3343	}
2592	}	3344	}
2593		3345
2594	{	3346	{
2595	my $anims = $facedata->{animinfo};	3347	my $anims = $facedata->{animinfo};
2596		3348
2597	while (my ($anim, $info) = each %$anims) {	3349	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3350	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3351	cf::cede_to_tick;
2600	}	3352	}
2601		3353
2602	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
2603	}	3355	}
2604		3356
		3357	{
		3358	my $res = $facedata->{resource};
		3359
		3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
		3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3363
		3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3365	cf::face::set_type $idx, $info->{type};
		3366	} else {
		3367	$RESOURCE{$name} = $info;
		3368	}
		3369
		3370	cf::cede_to_tick;
		3371	}
		3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3375
2605	1	3376	1
2606	}	3377	}
2607		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
		3398
		3399	register_exticmd fx_want => sub {
		3400	my ($ns, $want) = @_;
		3401
		3402	while (my ($k, $v) = each %$want) {
		3403	$ns->fx_want ($k, $v);
		3404	}
		3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
		3416
2608	sub reload_regions {	3417	sub reload_regions {
		3418	# HACK to clear player env face cache, we need some signal framework
		3419	# for this (global event?)
		3420	%ext::player_env::MUSIC_FACE_CACHE = ();
		3421
2609	load_resource_file "$MAPDIR/regions"	3422	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3423	or die "unable to load regions file\n";
		3424
		3425	for (cf::region::list) {
		3426	$_->{match} = qr/$_->{match}/
		3427	if exists $_->{match};
		3428	}
2611	}	3429	}
2612		3430
2613	sub reload_facedata {	3431	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3432	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3433	or die "unable to load facedata\n";
…		…
2626	}	3444	}
2627		3445
2628	sub reload_resources {	3446	sub reload_resources {
2629	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
2630		3448
		3449	reload_facedata;
		3450	reload_archetypes;
2631	reload_regions;	3451	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3452	reload_treasures;
2636		3453
2637	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
2638	}	3455	}
2639		3456
2640	sub init {	3457	sub reload_config {
2641	reload_resources;	3458	warn "reloading config file...\n";
2642	}
2643		3459
2644	sub cfg_load {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3461	or return;
2647		3462
2648	local $/;	3463	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2650		3465
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3467
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2658	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2659	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2660	};	3475	};
2661	warn $@ if $@;	3476	warn $@ if $@;
2662	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
2663	}	3508	}
2664		3509
2665	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
2666	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3528	(async {
2670	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
2672	};	3532	};
2673		3533
2674	cfg_load;	3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
		3541	reload_config;
2675	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_skills;
		3547
		3548	cf::init_beforeplay;
		3549
		3550	atomic;
		3551
2676	load_extensions;	3552	load_extensions;
2677		3553
2678	$TICK_WATCHER->start;	3554	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3555
		3556	# no (long-running) fork's whatsoever before this point(!)
		3557	use POSIX ();
		3558	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3559
		3560	(pop @POST_INIT)->(0) while @POST_INIT;
		3561	};
		3562
		3563	main_loop;
2680	}	3564	}
2681		3565
2682	#############################################################################	3566	#############################################################################
2683	# initialisation and cleanup	3567	# initialisation and cleanup
2684		3568
2685	# install some emergency cleanup handlers	3569	# install some emergency cleanup handlers
2686	BEGIN {	3570	BEGIN {
		3571	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3572	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3573	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3574	cf::cleanup "SIG$signal";
2695	},
2696	);	3575	};
		3576	}
		3577	}
		3578
		3579	sub write_runtime_sync {
		3580	my $t0 = EV::time;
		3581
		3582	# first touch the runtime file to show we are still running:
		3583	# the fsync below can take a very very long time.
		3584
		3585	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3586
		3587	my $guard = cf::lock_acquire "write_runtime";
		3588
		3589	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3590	or return;
		3591
		3592	my $value = $cf::RUNTIME + 90 + 10;
		3593	# 10 is the runtime save interval, for a monotonic clock
		3594	# 60 allows for the watchdog to kill the server.
		3595
		3596	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3597	and return;
		3598
		3599	# always fsync - this file is important
		3600	aio_fsync $fh
		3601	and return;
		3602
		3603	# touch it again to show we are up-to-date
		3604	aio_utime $fh, undef, undef;
		3605
		3606	close $fh
		3607	or return;
		3608
		3609	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3610	and return;
		3611
		3612	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3613
2697	}	3614	1
		3615	}
		3616
		3617	our $uuid_lock;
		3618	our $uuid_skip;
		3619
		3620	sub write_uuid_sync($) {
		3621	$uuid_skip ||= $_[0];
		3622
		3623	return if $uuid_lock;
		3624	local $uuid_lock = 1;
		3625
		3626	my $uuid = "$LOCALDIR/uuid";
		3627
		3628	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3629	or return;
		3630
		3631	my $value = uuid_seq uuid_cur;
		3632
		3633	unless ($value) {
		3634	warn "cowardly refusing to write zero uuid value!\n";
		3635	return;
		3636	}
		3637
		3638	my $value = uuid_str $value + $uuid_skip;
		3639	$uuid_skip = 0;
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	close $fh
		3649	or return;
		3650
		3651	aio_rename "$uuid~", $uuid
		3652	and return;
		3653
		3654	warn "uuid file written ($value).\n";
		3655
		3656	1
		3657
		3658	}
		3659
		3660	sub write_uuid($$) {
		3661	my ($skip, $sync) = @_;
		3662
		3663	$sync ? write_uuid_sync $skip
		3664	: async { write_uuid_sync $skip };
2698	}	3665	}
2699		3666
2700	sub emergency_save() {	3667	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3668	my $freeze_guard = cf::freeze_mainloop;
2702		3669
2703	warn "enter emergency perl save\n";	3670	warn "emergency_perl_save: enter\n";
2704		3671
2705	cf::sync_job {	3672	cf::sync_job {
		3673	# this is a trade-off: we want to be very quick here, so
		3674	# save all maps without fsync, and later call a global sync
		3675	# (which in turn might be very very slow)
		3676	local $USE_FSYNC = 0;
		3677
2706	# use a peculiar iteration method to avoid tripping on perl	3678	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3679	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3680	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3681	warn "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3682	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3683	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3684	$pl->valid or next;
		3685	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3686	$pl->save;
2714	}	3687	}
2715	warn "end emergency player save\n";	3688	warn "emergency_perl_save: end player save\n";
2716		3689
2717	warn "begin emergency map save\n";	3690	warn "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3691	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3692	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3693	$map->valid or next;
2721	$map->save;	3694	$map->save;
2722	}	3695	}
2723	warn "end emergency map save\n";	3696	warn "emergency_perl_save: end map save\n";
2724		3697
2725	warn "begin emergency database checkpoint\n";	3698	warn "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3699	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3700	warn "emergency_perl_save: end database checkpoint\n";
		3701
		3702	warn "emergency_perl_save: begin write uuid\n";
		3703	write_uuid_sync 1;
		3704	warn "emergency_perl_save: end write uuid\n";
2728	};	3705	};
2729		3706
		3707	warn "emergency_perl_save: starting sync()\n";
		3708	IO::AIO::aio_sync sub {
		3709	warn "emergency_perl_save: finished sync()\n";
		3710	};
		3711
2730	warn "leave emergency perl save\n";	3712	warn "emergency_perl_save: leave\n";
2731	}	3713	}
2732		3714
2733	sub post_cleanup {	3715	sub post_cleanup {
2734	my ($make_core) = @_;	3716	my ($make_core) = @_;
2735		3717
2736	warn Carp::longmess "post_cleanup backtrace"	3718	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3719	if $make_core;
		3720
		3721	my $fh = pidfile;
		3722	unlink $PIDFILE if <$fh> == $$;
		3723	}
		3724
		3725	# a safer delete_package, copied from Symbol
		3726	sub clear_package($) {
		3727	my $pkg = shift;
		3728
		3729	# expand to full symbol table name if needed
		3730	unless ($pkg =~ /^main::.*::$/) {
		3731	$pkg = "main$pkg" if $pkg =~ /^::/;
		3732	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3733	$pkg .= '::' unless $pkg =~ /::$/;
		3734	}
		3735
		3736	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3737	my $stem_symtab = *{$stem}{HASH};
		3738
		3739	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3740	or return;
		3741
		3742	# clear all symbols
		3743	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3744	for my $name (keys %$leaf_symtab) {
		3745	_gv_clear *{"$pkg$name"};
		3746	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3747	}
		3748	warn "cleared package $pkg\n";#d#
2738	}	3749	}
2739		3750
2740	sub do_reload_perl() {	3751	sub do_reload_perl() {
2741	# can/must only be called in main	3752	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2743	warn "can only reload from main coroutine";	3754	warn "can only reload from main coroutine";
2744	return;	3755	return;
2745	}	3756	}
2746		3757
		3758	return if $RELOAD++;
		3759
		3760	my $t1 = EV::time;
		3761
		3762	while ($RELOAD) {
2747	warn "reloading...";	3763	warn "reloading...";
2748		3764
2749	warn "entering sync_job";	3765	warn "entering sync_job";
2750		3766
2751	cf::sync_job {	3767	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3768	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3769	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3770	cf::write_runtime_sync; # external watchdog should not bark
2755		3771
2756	warn "syncing database to disk";	3772	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3773	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3774
2759	# if anything goes wrong in here, we should simply crash as we already saved	3775	# if anything goes wrong in here, we should simply crash as we already saved
2760		3776
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3777	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3778	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3779	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3780	}
2797		3781
2798	warn "... nuking $pkg";	3782	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3783	$_->cancel for values %EXT_CORO;
2800	}	3784	%EXT_CORO = ();
2801		3785
2802	warn "unloading all perl modules loaded from $LIBDIR";	3786	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3787	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3788
		3789	warn "removing ext/exti commands";
		3790	%EXTCMD = ();
		3791	%EXTICMD = ();
		3792
		3793	warn "unloading/nuking all extensions";
		3794	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3795	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3796
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3797	if (my $cb = $pkg->can ("unload")) {
		3798	eval {
2813	$cb->();	3799	$cb->($pkg);
		3800	1
		3801	} or warn "$pkg unloaded, but with errors: $@";
		3802	}
		3803
		3804	warn "... clearing $pkg";
		3805	clear_package $pkg;
2814	}	3806	}
2815		3807
2816	Symbol::delete_package $k;	3808	warn "unloading all perl modules loaded from $LIBDIR";
		3809	while (my ($k, $v) = each %INC) {
		3810	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3811
		3812	warn "... unloading $k";
		3813	delete $INC{$k};
		3814
		3815	$k =~ s/\.pm$//;
		3816	$k =~ s/\//::/g;
		3817
		3818	if (my $cb = $k->can ("unload_module")) {
		3819	$cb->();
		3820	}
		3821
		3822	clear_package $k;
2817	}	3823	}
2818		3824
2819	warn "getting rid of safe::, as good as possible";	3825	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3826	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3827	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3828
2823	warn "unloading cf.pm \"a bit\"";	3829	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3830	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3831	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3832
2827	# don't, removes xs symbols, too,	3833	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3834	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3835	#clear_package __PACKAGE__;
2830		3836
2831	warn "unload completed, starting to reload now";	3837	warn "unload completed, starting to reload now";
2832		3838
2833	warn "reloading cf.pm";	3839	warn "reloading cf.pm";
2834	require cf;	3840	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3841	cf::_connect_to_perl_1;
2836		3842
2837	warn "loading config and database again";	3843	warn "loading config and database again";
2838	cf::cfg_load;	3844	cf::reload_config;
2839		3845
2840	warn "loading extensions";	3846	warn "loading extensions";
2841	cf::load_extensions;	3847	cf::load_extensions;
2842		3848
		3849	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3850	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3851	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3852	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3853	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3854	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3855	reattach $_ for values %PLAYER;
		3856	}
2849		3857
		3858	warn "running post_init jobs";
		3859	(pop @POST_INIT)->(1) while @POST_INIT;
		3860
2850	warn "leaving sync_job";	3861	warn "leaving sync_job";
2851		3862
2852	1	3863	1
2853	} or do {	3864	} or do {
2854	warn $@;	3865	warn $@;
2855	warn "error while reloading, exiting.";	3866	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3867	};
2858		3868
2859	warn "reloaded";	3869	warn "reloaded";
		3870	--$RELOAD;
		3871	}
		3872
		3873	$t1 = EV::time - $t1;
		3874	warn "reload completed in ${t1}s\n";
2860	};	3875	};
2861		3876
2862	our $RELOAD_WATCHER; # used only during reload	3877	our $RELOAD_WATCHER; # used only during reload
2863		3878
2864	sub reload_perl() {	3879	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3880	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3881	# coro crashes during coro_state_free->destroy here.
2867		3882
2868	$RELOAD_WATCHER ||= Event->timer (	3883	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3884	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3885
2871	data => WF_AUTOCANCEL,	3886	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3887	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3888	undef $RELOAD_WATCHER;
2875	},	3889	};
2876	);	3890	};
2877	}	3891	}
2878		3892
2879	register_command "reload" => sub {	3893	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3894	my ($who, $arg) = @_;
2881		3895
2882	if ($who->flag (FLAG_WIZ)) {	3896	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3897	$who->message ("reloading server.");
		3898	async {
		3899	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3900	reload_perl;
		3901	};
2885	}	3902	}
2886	};	3903	};
2887		3904
2888	unshift @INC, $LIBDIR;	3905	unshift @INC, $LIBDIR;
2889		3906
…		…
2891		3908
2892	our @WAIT_FOR_TICK;	3909	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3910	our @WAIT_FOR_TICK_BEGIN;
2894		3911
2895	sub wait_for_tick {	3912	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3913	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		3914
2899	my $signal = new Coro::Signal;	3915	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3916	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3917	$signal->wait;
2902	}	3918	}
2903		3919
2904	sub wait_for_tick_begin {	3920	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3921	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		3922
2908	my $signal = new Coro::Signal;	3923	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3924	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3925	$signal->wait;
2911	}	3926	}
2912		3927
2913	my $min = 1e6;#d#	3928	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3929	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3930	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3931	unless ++$bug_warning > 10;
2925	return;	3932	return;
2926	}	3933	}
2927		3934
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3935	cf::server_tick; # one server iteration
2931		3936
2932	0 && sync_job {#d#	3937	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		3938
2938	$map->width (50);	3939	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	3940	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	3941	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	3942	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	3943	write_runtime_sync
2943		3944	or warn "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3945	};
		3946	}
2954		3947
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3948	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3949	$sig->send;
2971	}	3950	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3951	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3952	$sig->send;
2974	}	3953	}
2975		3954
2976	$NOW = Event::time;	3955	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3956	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3957
2987	_post_tick;	3958	if (0) {
2988		3959	if ($NEXT_TICK) {
2989		3960	my $jitter = $TICK_START - $NEXT_TICK;
		3961	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3962	warn "jitter $JITTER\n";#d#
		3963	}
2990	},	3964	}
2991	);	3965	}
2992		3966
2993	{	3967	{
2994	BDB::max_poll_time $TICK * 0.1;	3968	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3969
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3970	BDB::min_parallel 16;
3004		3971	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3972	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3973
3020	unless ($DB_ENV) {	3974	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3975	$DB_ENV = BDB::db_env_create;
		3976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3977	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3978	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3979	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3980	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3981
3023	cf::sync_job {	3982	cf::sync_job {
3024	eval {	3983	eval {
3025	BDB::db_env_open	3984	BDB::db_env_open
3026	$DB_ENV,	3985	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3987	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3988	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3989	0666;
3031		3990
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3991	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3992	};
3037		3993
3038	cf::cleanup "db_env_open(db): $@" if $@;	3994	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3995	};
3040	}	3996	}
		3997
		3998	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3999	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4000	};
		4001	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4002	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4003	};
		4004	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4005	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4006	};
3041	}	4007	}
3042		4008
3043	{	4009	{
		4010	# configure IO::AIO
		4011
3044	IO::AIO::min_parallel 8;	4012	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4013	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4014	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4015	}
3057		4016
3058	my $_log_backtrace;	4017	my $_log_backtrace;
3059		4018
3060	sub _log_backtrace {	4019	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4022	$msg =~ s/\n//;
3064		4023
3065	# limit the # of concurrent backtraces	4024	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4025	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4026	++$_log_backtrace;
		4027	my $perl_bt = Carp::longmess $msg;
3068	async {	4028	async {
		4029	$Coro::current->{desc} = "abt $msg";
		4030
3069	my @bt = fork_call {	4031	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4032	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4033	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4034	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4035	or die "addr2line: $!";
…		…
3081	}	4043	}
3082		4044
3083	@funcs	4045	@funcs
3084	};	4046	};
3085		4047
3086	LOG llevInfo, "[ABT] $msg\n";	4048	LOG llevInfo, "[ABT] $perl_bt\n";
		4049	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4050	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4051	--$_log_backtrace;
3089	};	4052	};
3090	} else {	4053	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4054	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4055	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4056	}
3094	}	4057	}
3095		4058
3096	# load additional modules	4059	# load additional modules
3097	use cf::pod;	4060	require "cf/$_.pm" for @EXTRA_MODULES;
		4061	cf::_connect_to_perl_2;
3098		4062
3099	END { cf::emergency_save }	4063	END { cf::emergency_save }
3100		4064
3101	1	4065	1
3102		4066

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