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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.487 by root, Fri Oct 16 01:56:41 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use 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 ();
14		37
		38	use Guard ();
15	use Coro 3.61 ();	39	use Coro ();
16	use Coro::State;	40	use Coro::State;
17	use Coro::Handle;	41	use Coro::Handle;
		42	use Coro::EV;
18	use Coro::Event;	43	use Coro::AnyEvent;
19	use Coro::Timer;	44	use Coro::Timer;
20	use Coro::Signal;	45	use Coro::Signal;
21	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
22	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
23	use Coro::Storable;	51	use Coro::Storable;
		52	use Coro::Util ();
24		53
		54	use JSON::XS 2.01 ();
25	use BDB ();	55	use BDB ();
26	use Data::Dumper;	56	use Data::Dumper;
27	use Digest::MD5;	57	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	warn "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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
306	};	456	}
307	$TICK_WATCHER->stop;	457	};
308	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
309	}	471	}
310		472
311	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
312		474
313	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		480
319	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
320		482
321	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
322		484
323	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
326		489
327	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
330	fast or be very important.	493	fast or be very important.
…		…
333		496
334	sub sync_job(&) {	497	sub sync_job(&) {
335	my ($job) = @_;	498	my ($job) = @_;
336		499
337	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	501	my $time = EV::time;
339		502
340	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
342		505
343	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	507
345	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
346		509
347	my $busy = 1;	510	my $busy = 1;
348	my @res;	511	my @res;
349		512
350	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	515	@res = eval { $job->() };
352	warn $@ if $@;	516	warn $@ if $@;
353	undef $busy;	517	undef $busy;
354	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
355		519
356	while ($busy) {	520	while ($busy) {
357	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
358	}	525	}
		526	}
359		527
360	$time = Event::time - $time;	528	my $time = EV::time - $time;
361		529
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	530	$TICK_START += $time; # do not account sync jobs to server load
366		531
367	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
368	} else {	533	} else {
369	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
370		535
…		…
390	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
391		556
392	$coro	557	$coro
393	}	558	}
394		559
395	sub write_runtime {	560	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		561
398	# first touch the runtime file to show we are still running:	562	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
400		566
401	IO::AIO::aio_utime $runtime, undef, undef;	567	=cut
402		568
403	my $guard = cf::lock_acquire "write_runtime";	569	sub fork_call(&@) {
		570	my ($cb, @args) = @_;
404		571
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	# we seemingly have to make a local copy of the whole thing,
406	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
407		575
408	my $value = $cf::RUNTIME + 90 + 10;	576	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	577	reset_signals;
410	# 60 allows for the watchdog to kill the server.	578	&$cb
		579	}, @args;
411		580
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	581	wantarray ? @res : $res[-1]
413	and return;	582	}
414		583
415	# always fsync - this file is important	584	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		585
419	# touch it again to show we are up-to-date	586	=cut
420	aio_utime $fh, undef, undef;
421		587
422	close $fh	588	our %coin_alias = (
423	or return;	589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
424		604
425	aio_rename "$runtime~", $runtime	605	sub coin_from_name($) {
426	and return;	606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
427		610
428	warn "runtime file written.\n";#d#	611	=item $value = cf::db_get $family => $key
429		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
430	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
431	}	736	}
432		737
433	=item cf::datalog type => key => value, ...	738	=item cf::datalog type => key => value, ...
434		739
435	Log a datalog packet of the given type with the given key-value pairs.	740	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		752
448	#############################################################################	753	#############################################################################
449		754
450	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
451		756
452	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
455		760
456	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	763	Deliantra).
459		764
460	=over 4	765	=over 4
461		766
462	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
463		768
…		…
507	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
508		813
509	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
511		816
512	Some classes such as crossfire maps and objects can specify attachments	817	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.	818	that are attached at load/instantiate time, thus the need for a name.
514		819
515	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
516		821
517	=over 4	822	=over 4
…		…
665	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
666	}	971	}
667		972
668	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
669	} else {	974	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	976	}
672		977
673	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
674	}	979	}
675		980
…		…
715	";	1020	";
716	die if $@;	1021	die if $@;
717	}	1022	}
718		1023
719	our $override;	1024	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1026
722	sub override {	1027	sub override {
723	$override = 1;	1028	$override = 1;
724	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
725	}	1030	}
726		1031
727	sub do_invoke {	1032	sub do_invoke {
728	my $event = shift;	1033	my $event = shift;
729	my $callbacks = shift;	1034	my $callbacks = shift;
730		1035
731	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
732		1037
733	local $override;	1038	local $override;
734		1039
735	for (@$callbacks) {	1040	for (@$callbacks) {
736	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
745	}	1050	}
746		1051
747	0	1052	0
748	}	1053	}
749		1054
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1056
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1058
754	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
755		1060
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	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	1062	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1064
760	=back	1065	=back
761		1066
762	=cut	1067	=cut
763		1068
764	#############################################################################	1069	#############################################################################
765	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
766		1113
767	sub reattach {	1114	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1116	my ($obj) = @_;
770		1117
		1118	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1120
773	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
774		1122
775	@$registry = ();	1123	@$registry = ();
776		1124
…		…
791	cf::attachable->attach (	1139	cf::attachable->attach (
792	prio => -1000000,	1140	prio => -1000000,
793	on_instantiate => sub {	1141	on_instantiate => sub {
794	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
795		1143
796	$data = from_json $data;	1144	$data = decode_json $data;
797		1145
798	for (@$data) {	1146	for (@$data) {
799	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
800		1148
801	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1165	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
819		1167
820	sync_job {	1168	sync_job {
821	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
824		1173
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1177	if ($cf::USE_FSYNC) {
		1178	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1179	aio_fsync $fh;
		1180	}
829	close $fh;	1181	aio_close $fh;
830		1182
831	if (@$objs) {	1183	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1188	if ($cf::USE_FSYNC) {
		1189	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1190	aio_fsync $fh;
		1191	}
837	close $fh;	1192	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
839	}	1194	}
840	} else {	1195	} else {
841	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
842	}	1197	}
843		1198
844	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1203	} else {
846	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
847	}	1205	}
848	} else {	1206	} else {
849	aio_unlink $filename;	1207	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
851	}	1209	}
852	}	1210	};
853	}	1211	}
854		1212
855	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
857		1215
…		…
869	or return;	1227	or return;
870		1228
871	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
873	or return;	1231	or return;
		1232
874	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
875	}	1235	}
876		1236
		1237	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
879	return ($data, $av);	1241	($data, $av)
880	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
881		1249
882	#############################################################################	1250	#############################################################################
883	# command handling &c	1251	# command handling &c
884		1252
885	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1267	}
900		1268
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1270
903	Register a callbackf ro execution when the client sends an extcmd packet.	1271	Register a callback for execution when the client sends an (synchronous)
		1272	extcmd packet. Ext commands will be processed in the order they are
		1273	received by the server, like other user commands. The first argument is
		1274	the logged-in player. Ext commands can only be processed after a player
		1275	has logged in successfully.
904		1276
905	If the callback returns something, it is sent back as if reply was being	1277	If the callback returns something, it is sent back as if reply was being
906	called.	1278	called.
907		1279
		1280	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1281
		1282	Register a callback for execution when the client sends an (asynchronous)
		1283	exticmd packet. Exti commands are processed by the server as soon as they
		1284	are received, i.e. out of order w.r.t. other commands. The first argument
		1285	is a client socket. Exti commands can be received anytime, even before
		1286	log-in.
		1287
		1288	If the callback returns something, it is sent back as if reply was being
		1289	called.
		1290
908	=cut	1291	=cut
909		1292
910	sub register_extcmd {	1293	sub register_extcmd {
911	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
912		1295
913	$EXTCMD{$name} = $cb;	1296	$EXTCMD{$name} = $cb;
914	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
915		1306
916	cf::player->attach (	1307	cf::player->attach (
917	on_command => sub {	1308	on_command => sub {
918	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
919		1310
…		…
927	cf::override;	1318	cf::override;
928	},	1319	},
929	on_extcmd => sub {	1320	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
931		1322
932	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1324
934	if (ref $msg) {	1325	if (ref $msg) {
		1326	my ($type, $reply, @payload) =
		1327	"ARRAY" eq ref $msg
		1328	? @$msg
		1329	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1330
		1331	my @reply;
		1332
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
940	} else {	1340	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1342	}
943		1343
944	cf::override;	1344	cf::override;
945	},	1345	},
946	);	1346	);
947		1347
		1348	# "readahead" all extensions
948	sub load_extension {	1349	sub cache_extensions {
949	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
950		1351
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1355	}
976	die $@;
977	}	1356	};
978		1357
979	push @EXTS, $pkg;	1358	$grp
980	}	1359	}
981		1360
982	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
983	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1366	next unless -r $path;
985	eval {	1367
986	load_extension $ext;	1368	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1369	my $base = $1;
		1370	my $pkg = $1;
		1371	$pkg =~ s/[^[:word:]]/_/g;
		1372	$pkg = "ext::$pkg";
		1373
		1374	open my $fh, "<:utf8", $path
		1375	or die "$path: $!";
		1376
		1377	my $source = do { local $/; <$fh> };
		1378
		1379	my %ext = (
		1380	path => $path,
		1381	base => $base,
		1382	pkg => $pkg,
		1383	);
		1384
		1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1387
		1388	$ext{source} =
		1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1390	. "#line 1 \"$path\"\n{\n"
		1391	. $source
		1392	. "\n};\n1";
		1393
		1394	$todo{$base} = \%ext;
		1395	}
		1396
		1397	my %done;
		1398	while (%todo) {
		1399	my $progress;
		1400
		1401	while (my ($k, $v) = each %todo) {
		1402	for (split /,\s*/, $v->{meta}{depends}) {
		1403	goto skip
		1404	unless exists $done{$_};
		1405	}
		1406
		1407	warn "... loading '$k' into '$v->{pkg}'\n";
		1408
		1409	unless (eval $v->{source}) {
		1410	my $msg = $@ ? "$v->{path}: $@\n"
		1411	: "$v->{base}: extension inactive.\n";
		1412
		1413	if (exists $v->{meta}{mandatory}) {
		1414	warn $msg;
		1415	cf::cleanup "mandatory extension failed to load, exiting.";
		1416	}
		1417
		1418	warn $msg;
		1419	}
		1420
		1421	$done{$k} = delete $todo{$k};
		1422	push @EXTS, $v->{pkg};
		1423	$progress = 1;
987	1	1424	}
988	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
989	}	1430	};
990	}	1431	}
991		1432
992	#############################################################################	1433	#############################################################################
993		1434
		1435	=back
		1436
994	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
995		1438
996	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
997		1440
998	=cut	1441	=cut
999		1442
1000	package cf::player;	1443	package cf::player;
1001		1444
1002	use Coro::AIO;	1445	use Coro::AIO;
1003		1446
1004	=head3 cf::player	1447	=head3 cf::player
1005		1448
1006	=over 4	1449	=over 4
		1450
		1451	=item cf::player::num_playing
		1452
		1453	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1454
		1455	=cut
		1456
		1457	sub num_playing {
		1458	scalar grep
		1459	$_->ob->map
		1460	&& !$_->hidden
		1461	&& !$_->ob->flag (cf::FLAG_WIZ),
		1462	cf::player::list
		1463	}
1007		1464
1008	=item cf::player::find $login	1465	=item cf::player::find $login
1009		1466
1010	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
1011		1468
…		…
1030		1487
1031	sub exists($) {	1488	sub exists($) {
1032	my ($login) = @_;	1489	my ($login) = @_;
1033		1490
1034	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1036	}	1493	}
1037		1494
1038	sub find($) {	1495	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1497	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1507	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1508
1052	my $pl = load_pl path $login	1509	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1510	or return;
		1511
		1512	my $pl = cf::player::load_pl $f
		1513	or return;
		1514
		1515	local $cf::PLAYER_LOADING{$login} = $pl;
		1516	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1055	}	1518	}
1056	}	1519	}
1057	}	1520	}
1058		1521
…		…
1067	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1068		1531
1069	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1071		1534
		1535	cf::get_slot 0.01;
		1536
1072	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1073	Coro::cede;	1538	cf::cede_to_tick;
1074	}	1539	}
1075		1540
1076	sub new($) {	1541	sub new($) {
1077	my ($login) = @_;	1542	my ($login) = @_;
1078		1543
…		…
1084	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1085		1550
1086	$self	1551	$self
1087	}	1552	}
1088		1553
		1554	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1555
		1556	=cut
		1557
		1558	sub send_msg {
		1559	my $ns = shift->ns
		1560	or return;
		1561	$ns->send_msg (@_);
		1562	}
		1563
1089	=item $pl->quit_character	1564	=item $pl->quit_character
1090		1565
1091	Nukes the player without looking back. If logged in, the connection will	1566	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1093		1568
…		…
1097	my ($pl) = @_;	1572	my ($pl) = @_;
1098		1573
1099	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1100		1575
1101	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1578
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1108		1585
1109	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1623	or return [];
1147		1624
1148	my @logins;	1625	my @logins;
1149		1626
1150	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
		1628	my $path = path $login;
		1629
		1630	# a .pst is a dead give-away for a valid player
		1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1154		1637
1155	utf8::decode $login;	1638	utf8::decode $login;
1156	push @logins, $login;	1639	push @logins, $login;
1157	}	1640	}
1158		1641
…		…
1185	}	1668	}
1186		1669
1187	\@paths	1670	\@paths
1188	}	1671	}
1189		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1190	=item $player->ext_reply ($msgid, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1191		1678
1192	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1193		1680
1194	=cut	1681	=cut
1195		1682
1196	sub ext_reply($$%) {	1683	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1198		1685
1199	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1687	}
1203		1688
1204	=item $player->ext_event ($type, %msg)	1689	=item $player->ext_msg ($type, @msg)
1205		1690
1206	Sends an ext event to the client.	1691	Sends an ext event to the client.
1207		1692
1208	=cut	1693	=cut
1209		1694
1210	sub ext_event($$%) {	1695	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1696	my ($self, $type, @msg) = @_;
1212		1697
1213	$self->ns->ext_event ($type, %msg);	1698	$self->ns->ext_msg ($type, @msg);
1214	}	1699	}
1215		1700
1216	=head3 cf::region	1701	=head3 cf::region
1217		1702
1218	=over 4	1703	=over 4
…		…
1221		1706
1222	package cf::region;	1707	package cf::region;
1223		1708
1224	=item cf::region::find_by_path $path	1709	=item cf::region::find_by_path $path
1225		1710
1226	Tries to decuce the probable region for a map knowing only its path.	1711	Tries to decuce the likely region for a map knowing only its path.
1227		1712
1228	=cut	1713	=cut
1229		1714
1230	sub find_by_path($) {	1715	sub find_by_path($) {
1231	my ($path) = @_;	1716	my ($path) = @_;
1232		1717
1233	my ($match, $specificity);	1718	my ($match, $specificity);
1234		1719
1235	for my $region (list) {	1720	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1721	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1722	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1723	if $region->specificity > $specificity;
1239	}	1724	}
1240	}	1725	}
1241		1726
…		…
1262	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1264		1749
1265	sub generate_random_map {	1750	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1754
1267	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1756	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1305	my ($self, $merge) = @_;	1793	my ($self, $merge) = @_;
1306		1794
1307	# we have to keep some variables in memory intact	1795	# we have to keep some variables in memory intact
1308	local $self->{path};	1796	local $self->{path};
1309	local $self->{load_path};	1797	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1798
1313	$self->SUPER::thawer_merge ($merge);	1799	$self->SUPER::thawer_merge ($merge);
1314	}	1800	}
1315		1801
1316	sub normalise {	1802	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1849	$self->init; # pass $1 etc.
1364	return $self;	1850	return $self;
1365	}	1851	}
1366	}	1852	}
1367		1853
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1855	()
1370	}	1856	}
1371		1857
1372	sub init {	1858	sub init {
1373	my ($self) = @_;	1859	my ($self) = @_;
…		…
1395		1881
1396	# the temporary/swap location	1882	# the temporary/swap location
1397	sub save_path {	1883	sub save_path {
1398	my ($self) = @_;	1884	my ($self) = @_;
1399		1885
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1402	}	1888	}
1403		1889
1404	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1405	sub uniq_path {	1891	sub uniq_path {
1406	my ($self) = @_;	1892	my ($self) = @_;
1407		1893
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1410	}	1896	}
1411		1897
1412	# and all this just because we cannot iterate over	1898	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	1899	my ($self) = @_;
1416		1900
1417	$_->change_map_light ($change)	1901	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	1902
		1903	$self->do_decay_objects;
1419	}	1904	}
1420		1905
1421	sub unlink_save {	1906	sub unlink_save {
1422	my ($self) = @_;	1907	my ($self) = @_;
1423		1908
…		…
1428		1913
1429	sub load_header_from($) {	1914	sub load_header_from($) {
1430	my ($self, $path) = @_;	1915	my ($self, $path) = @_;
1431		1916
1432	utf8::encode $path;	1917	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1919	or return;
		1920
		1921	$self->_load_header ($f)
		1922	or return;
		1923
		1924	local $MAP_LOADING{$self->{path}} = $self;
		1925	$f->resolve_delayed_derefs;
1438		1926
1439	$self->{load_path} = $path;	1927	$self->{load_path} = $path;
1440		1928
1441	1	1929	1
1442	}	1930	}
…		…
1481	$self->load_header_orig	1969	$self->load_header_orig
1482	or return;	1970	or return;
1483	$self->prepare_orig;	1971	$self->prepare_orig;
1484	}	1972	}
1485		1973
		1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
		1976
1486	$self->default_region (cf::region::find_by_path $self->{path})	1977	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1978	unless $self->default_region;
1488		1979
1489	1	1980	1
1490	}	1981	}
…		…
1493	sub find {	1984	sub find {
1494	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1495		1986
1496	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1497		1988
		1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1499		1991
1500	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1503	or return;	1994	or return;
1504		1995
1505	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1506		1997
1507	$map->load_header	1998	$map->load_header
1508	or return;	1999	or return;
1509		2000
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1513	$map->reset;	2006	$map->reset;
1514	undef $guard;
1515	return find $path;	2007	return find $path;
1516	}	2008	}
1517		2009
1518	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
1519	}	2011	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	2020	local $self->{deny_reset} = 1; # loading can take a long time
1529		2021
1530	my $path = $self->{path};	2022	my $path = $self->{path};
1531		2023
1532	{	2024	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2025	my $guard = cf::lock_acquire "map_data:$path";
1534		2026
		2027	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2029
1537	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1538		2031
1539	$self->alloc;	2032	$self->alloc;
1540		2033
1541	$self->pre_load;	2034	$self->pre_load;
1542	Coro::cede;	2035	cf::cede_to_tick;
1543		2036
		2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2039	$self->_load_objects ($f)
1545	or return;	2040	or return;
1546		2041
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1548	if delete $self->{load_original};	2043	if delete $self->{load_original};
1549		2044
1550	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2046	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2049	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1555	}	2053	}
1556	}	2054	}
1557		2055
1558	Coro::cede;	2056	$f->resolve_delayed_derefs;
		2057
		2058	cf::cede_to_tick;
1559	# now do the right thing for maps	2059	# now do the right thing for maps
1560	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2062	unless $self->difficulty;
1563	Coro::cede;	2063	cf::cede_to_tick;
1564		2064
1565	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2066	$self->decay_objects;
1567	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
1568	$self->update_buttons;	2068	$self->update_buttons;
1569	Coro::cede;	2069	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2070	$self->activate;
1573	}	2071	}
1574		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2077	}
1577		2078
1578	$self->post_load;	2079	$self->post_load;
1579	}	2080	}
1580		2081
…		…
1582	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1583		2084
1584	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2086	if $self->per_player;
1586		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1587	$self	2091	$self
1588	}	2092	}
1589		2093
1590	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2095	sub load_neighbours {
1592	my ($map) = @_;	2096	my ($map) = @_;
1593		2097
1594	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1595		2099
1596	for (0 .. 3) {	2100	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1598	or next;	2102	or next;
1599	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1600	or next;	2104	or next;
1601	$neigh->load;	2105	$neigh->load;
1602		2106
		2107	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2110	}
1606		2111
1607	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1609	or next;	2115	or next;
1610	$neigh->load;	2116	$neigh->load;
1611	}	2117	}
1612	}	2118	}
1613		2119
…		…
1618	}	2124	}
1619		2125
1620	sub do_load_sync {	2126	sub do_load_sync {
1621	my ($map) = @_;	2127	my ($map) = @_;
1622		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1623	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1624	}	2133	}
1625		2134
1626	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1628		2137
1629	sub find_async {	2138	sub find_async {
1630	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1631		2140
1632	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1633		2142
1634	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2145	}
1637		2146
1638	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1639	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1640	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2154	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2155	$map->load if $v;
		2156	}
1645		2157
1646	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1647	}	2159	}
1648	}	2160	}
1649	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1650	};	2162	};
1651	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2166	}
1655		2167
1656	sub save {	2168	sub save {
1657	my ($self) = @_;	2169	my ($self) = @_;
1658		2170
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2172
1661	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1662		2174
1663	return unless $self->dirty;	2175	return unless $self->dirty;
1664		2176
…		…
1670	return if $self->{deny_save};	2182	return if $self->{deny_save};
1671		2183
1672	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1673		2185
1674	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1676	};	2189	};
		2190
		2191	cf::get_slot 0.02;
1677		2192
1678	if ($uniq) {	2193	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2196	} else {
…		…
1687	my ($self) = @_;	2202	my ($self) = @_;
1688		2203
1689	# save first because save cedes	2204	# save first because save cedes
1690	$self->save;	2205	$self->save;
1691		2206
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2208
1694	return if $self->players;	2209	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1696	return if $self->{deny_save};	2211	return if $self->{deny_save};
1697		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2217	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2218	}
1701		2219
1702	sub reset_at {	2220	sub reset_at {
1703	my ($self) = @_;	2221	my ($self) = @_;
1704		2222
1705	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1708		2225
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2228
…		…
1722	my ($self) = @_;	2239	my ($self) = @_;
1723		2240
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2242
1726	return if $self->players;	2243	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2244
1729	warn "resetting map ", $self->path;#d#	2245	warn "resetting map ", $self->path, "\n";
1730		2246
1731	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
1732		2248
1733	# need to save uniques path	2249	# need to save uniques path
1734	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2254	if $uniq;
1739	}	2255	}
1740		2256
1741	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1742		2258
		2259	$self->deactivate;
		2260	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2261	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2262
1747	$self->unlink_save;	2263	$self->unlink_save;
1748	$self->destroy;	2264	$self->destroy;
1749	}	2265	}
1750		2266
1751	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1752		2268
1753	sub nuke {	2269	sub nuke {
1754	my ($self) = @_;	2270	my ($self) = @_;
1755		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
1756	delete $cf::MAP{$self->path};	2275	delete $cf::MAP{$self->path};
1757		2276
1758	$self->unlink_save;	2277	$self->unlink_save;
1759		2278
1760	bless $self, "cf::map";	2279	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2280	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2284
1766	$cf::MAP{$self->path} = $self;	2285	$cf::MAP{$self->path} = $self;
		2286	}
1767		2287
1768	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
		2289	}
		2290
		2291	=item $maps = cf::map::tmp_maps
		2292
		2293	Returns an arrayref with all map paths of currently instantiated and saved
		2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
		2299	[
		2300	map {
		2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
		2307	}
		2308
		2309	=item $maps = cf::map::random_maps
		2310
		2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
		2313
		2314	=cut
		2315
		2316	sub random_maps() {
		2317	[
		2318	map {
		2319	utf8::decode $_;
		2320	/\.map$/
		2321	? normalise "?random/$_"
		2322	: ()
		2323	} @{ aio_readdir $RANDOMDIR or [] }
		2324	]
1769	}	2325	}
1770		2326
1771	=item cf::map::unique_maps	2327	=item cf::map::unique_maps
1772		2328
1773	Returns an arrayref of paths of all shared maps that have	2329	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2330	instantiated unique items. May block.
1775		2331
1776	=cut	2332	=cut
1777		2333
1778	sub unique_maps() {	2334	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2335	[
1780	or return;	2336	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2337	utf8::decode $_;
1786	next if /\.pst$/;	2338	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2340	? ()
1789	push @paths, cf::map::normalise $_;	2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2343	]
1791
1792	\@paths
1793	}	2344	}
1794
1795	package cf;
1796		2345
1797	=back	2346	=back
1798		2347
1799	=head3 cf::object	2348	=head3 cf::object
1800		2349
…		…
1804		2353
1805	=over 4	2354	=over 4
1806		2355
1807	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
1808		2357
1809	Returns the inventory of the object _and_ their inventories, recursively.	2358	Returns the inventory of the object I<and> their inventories, recursively,
		2359	but I<not> the object itself.
1810		2360
1811	=cut	2361	=cut
1812		2362
1813	sub inv_recursive_;	2363	sub inv_recursive_;
1814	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
1817		2367
1818	sub inv_recursive {	2368	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
1820	}	2370	}
1821		2371
		2372	=item $ref = $ob->ref
		2373
		2374	Creates and returns a persistent reference to an object that can be stored as a string.
		2375
		2376	=item $ob = cf::object::deref ($refstring)
		2377
		2378	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2379	even if the object actually exists. May block.
		2380
		2381	=cut
		2382
		2383	sub deref {
		2384	my ($ref) = @_;
		2385
		2386	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2387	my ($uuid, $name) = ($1, $2);
		2388	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2389	or return;
		2390	$pl->ob->uuid eq $uuid
		2391	or return;
		2392
		2393	$pl->ob
		2394	} else {
		2395	warn "$ref: cannot resolve object reference\n";
		2396	undef
		2397	}
		2398	}
		2399
1822	package cf;	2400	package cf;
1823		2401
1824	=back	2402	=back
1825		2403
1826	=head3 cf::object::player	2404	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2410	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2411	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
1835		2413
1836	=cut	2414	=cut
		2415
		2416	our $SAY_CHANNEL = {
		2417	id => "say",
		2418	title => "Map",
		2419	reply => "say ",
		2420	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2421	};
		2422
		2423	our $CHAT_CHANNEL = {
		2424	id => "chat",
		2425	title => "Chat",
		2426	reply => "chat ",
		2427	tooltip => "Player chat and shouts, global to the server.",
		2428	};
1837		2429
1838	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2431	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2432	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
…		…
1843		2435
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2436	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2437
1846	if ($self->{record_replies}) {	2438	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2439	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2440
1848	} else {	2441	} else {
		2442	my $pl = $self->contr;
		2443
		2444	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2445	my $dialog = $pl->{npc_dialog};
		2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2447
		2448	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2451	}
1851	}	2452	}
		2453	}
		2454
		2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2456
		2457	=cut
		2458
		2459	sub cf::object::send_msg {
		2460	my $pl = shift->contr
		2461	or return;
		2462	$pl->send_msg (@_);
1852	}	2463	}
1853		2464
1854	=item $player_object->may ("access")	2465	=item $player_object->may ("access")
1855		2466
1856	Returns wether the given player is authorized to access resource "access"	2467	Returns wether the given player is authorized to access resource "access"
…		…
1869		2480
1870	=item $player_object->enter_link	2481	=item $player_object->enter_link
1871		2482
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2483	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2484
1874	The player should be reasonably safe there for short amounts of time. You	2485	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2486	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2487	though, as the palyer cannot control the character while it is on the link
		2488	map.
1876		2489
1877	Will never block.	2490	Will never block.
1878		2491
1879	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
1880		2493
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2548	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2549	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2550	if $x <=0 && $y <= 0;
1938		2551
1939	$map->load;	2552	$map->load;
1940	$map->load_diag;	2553	$map->load_neighbours;
1941		2554
1942	return unless $self->contr->active;	2555	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2556
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2558	$self->enter_map ($map, $x, $y);
1947	}
1948		2559
		2560	# only activate afterwards, to support waiting in hooks
		2561	$self->activate_recursive;
		2562	}
		2563
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2565
1951	Moves the player to the given map-path and coordinates by first freezing	2566	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2567	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2568	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2569	the new (success) or old (failed) map position. In either case, $done will
		2570	be called at the end of this process.
		2571
		2572	Note that $check will be called with a potentially non-loaded map, so if
		2573	it needs a loaded map it has to call C<< ->load >>.
1955		2574
1956	=cut	2575	=cut
1957		2576
1958	our $GOTOGEN;	2577	our $GOTOGEN;
1959		2578
1960	sub cf::object::player::goto {	2579	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2580	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2581
1963	# do generation counting so two concurrent goto's will be executed in-order	2582	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2583	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2584
1966	$self->enter_link;	2585	$self->enter_link;
1967		2586
1968	(async {	2587	(async {
		2588	$Coro::current->{desc} = "player::goto $path $x $y";
		2589
		2590	# *tag paths override both path and x|y
		2591	if ($path =~ /^\*(.*)$/) {
		2592	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2593	my $ob = $obs[rand @obs];
		2594
		2595	# see if we actually can go there
		2596	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2597	$ob = $obs[rand @obs];
		2598	} else {
		2599	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601	# else put us there anyways for now #d#
		2602
		2603	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2604	} else {
		2605	($path, $x, $y) = (undef, undef, undef);
		2606	}
		2607	}
		2608
1969	my $map = eval {	2609	my $map = eval {
1970	my $map = cf::map::find $path;	2610	my $map = defined $path ? cf::map::find $path : undef;
1971		2611
1972	if ($map) {	2612	if ($map) {
1973	$map = $map->customise_for ($self);	2613	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2614	$map = $check->($map) if $check && $map;
1975	} else {	2615	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2616	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2617	}
1978		2618
1979	$map	2619	$map
1980	};	2620	};
1981		2621
…		…
1986		2626
1987	if ($gen == $self->{_goto_generation}) {	2627	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2628	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2629	$self->leave_link ($map, $x, $y);
1990	}	2630	}
		2631
		2632	$done->() if $done;
1991	})->prio (1);	2633	})->prio (1);
1992	}	2634	}
1993		2635
1994	=item $player_object->enter_exit ($exit_object)	2636	=item $player_object->enter_exit ($exit_object)
1995		2637
…		…
2015	}	2657	}
2016		2658
2017	sub prepare_random_map {	2659	sub prepare_random_map {
2018	my ($exit) = @_;	2660	my ($exit) = @_;
2019		2661
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2662	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2663	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2664	# that depends on the exit object
2025		2665
2026	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2668	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2669	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
2033	}	2675	}
2034		2676
2035	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
2036		2678
2037	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2681	my $meta = "$RANDOMDIR/$md5.meta";
2040		2682
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2685	undef $fh;
2044	aio_rename "$meta~", $meta;	2686	aio_rename "$meta~", $meta;
2045		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
2048	}	2694	}
2049	}	2695	}
2050		2696
2051	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
2053		2699
2054	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
2055		2701
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2702	$self->enter_link;
2068		2703
2069	(async {	2704	(async {
2070	$self->deactivate_recursive; # just to be sure	2705	$Coro::current->{desc} = "enter_exit";
		2706
2071	unless (eval {	2707	unless (eval {
		2708	$self->deactivate_recursive; # just to be sure
		2709
		2710	# random map handling
		2711	{
		2712	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2713
		2714	prepare_random_map $exit
		2715	if $exit->slaying eq "/!";
		2716	}
		2717
		2718	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2719	my $x = $exit->stats->hp;
		2720	my $y = $exit->stats->sp;
		2721
2072	$self->goto ($slaying, $hp, $sp);	2722	$self->goto ($map, $x, $y);
2073		2723
		2724	# if exit is damned, update players death & WoR home-position
		2725	$self->contr->savebed ($map, $x, $y)
		2726	if $exit->flag (cf::FLAG_DAMNED);
		2727
2074	1;	2728	1
2075	}) {	2729	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2731	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2734
2081	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
…		…
2100		2754
2101	utf8::encode $text;	2755	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2756	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2757	}
2104		2758
		2759	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2760
		2761	Send a drawinfo or msg packet to the client, formatting the msg for the
		2762	client if neccessary. C<$type> should be a string identifying the type of
		2763	the message, with C<log> being the default. If C<$color> is negative, suppress
		2764	the message unless the client supports the msg packet.
		2765
		2766	=cut
		2767
		2768	# non-persistent channels (usually the info channel)
		2769	our %CHANNEL = (
		2770	"c/motd" => {
		2771	id => "infobox",
		2772	title => "MOTD",
		2773	reply => undef,
		2774	tooltip => "The message of the day",
		2775	},
		2776	"c/identify" => {
		2777	id => "infobox",
		2778	title => "Identify",
		2779	reply => undef,
		2780	tooltip => "Items recently identified",
		2781	},
		2782	"c/examine" => {
		2783	id => "infobox",
		2784	title => "Examine",
		2785	reply => undef,
		2786	tooltip => "Signs and other items you examined",
		2787	},
		2788	"c/shopinfo" => {
		2789	id => "infobox",
		2790	title => "Shop Info",
		2791	reply => undef,
		2792	tooltip => "What your bargaining skill tells you about the shop",
		2793	},
		2794	"c/book" => {
		2795	id => "infobox",
		2796	title => "Book",
		2797	reply => undef,
		2798	tooltip => "The contents of a note or book",
		2799	},
		2800	"c/lookat" => {
		2801	id => "infobox",
		2802	title => "Look",
		2803	reply => undef,
		2804	tooltip => "What you saw there",
		2805	},
		2806	"c/who" => {
		2807	id => "infobox",
		2808	title => "Players",
		2809	reply => undef,
		2810	tooltip => "Shows players who are currently online",
		2811	},
		2812	"c/body" => {
		2813	id => "infobox",
		2814	title => "Body Parts",
		2815	reply => undef,
		2816	tooltip => "Shows which body parts you posess and are available",
		2817	},
		2818	"c/statistics" => {
		2819	id => "infobox",
		2820	title => "Statistics",
		2821	reply => undef,
		2822	tooltip => "Shows your primary statistics",
		2823	},
		2824	"c/skills" => {
		2825	id => "infobox",
		2826	title => "Skills",
		2827	reply => undef,
		2828	tooltip => "Shows your experience per skill and item power",
		2829	},
		2830	"c/shopitems" => {
		2831	id => "infobox",
		2832	title => "Shop Items",
		2833	reply => undef,
		2834	tooltip => "Shows the items currently for sale in this shop",
		2835	},
		2836	"c/resistances" => {
		2837	id => "infobox",
		2838	title => "Resistances",
		2839	reply => undef,
		2840	tooltip => "Shows your resistances",
		2841	},
		2842	"c/pets" => {
		2843	id => "infobox",
		2844	title => "Pets",
		2845	reply => undef,
		2846	tooltip => "Shows information abotu your pets/a specific pet",
		2847	},
		2848	"c/perceiveself" => {
		2849	id => "infobox",
		2850	title => "Perceive Self",
		2851	reply => undef,
		2852	tooltip => "You gained detailed knowledge about yourself",
		2853	},
		2854	"c/uptime" => {
		2855	id => "infobox",
		2856	title => "Uptime",
		2857	reply => undef,
		2858	tooltip => "How long the server has been running since last restart",
		2859	},
		2860	"c/mapinfo" => {
		2861	id => "infobox",
		2862	title => "Map Info",
		2863	reply => undef,
		2864	tooltip => "Information related to the maps",
		2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	"c/death" => {
		2873	id => "death",
		2874	title => "Death",
		2875	reply => undef,
		2876	tooltip => "Reason for and more info about your most recent death",
		2877	},
		2878	"c/say" => $SAY_CHANNEL,
		2879	"c/chat" => $CHAT_CHANNEL,
		2880	);
		2881
		2882	sub cf::client::send_msg {
		2883	my ($self, $channel, $msg, $color, @extra) = @_;
		2884
		2885	$msg = $self->pl->expand_cfpod ($msg)
		2886	unless $color & cf::NDI_VERBATIM;
		2887
		2888	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2889
		2890	# check predefined channels, for the benefit of C
		2891	if ($CHANNEL{$channel}) {
		2892	$channel = $CHANNEL{$channel};
		2893
		2894	$self->ext_msg (channel_info => $channel);
		2895	$channel = $channel->{id};
		2896
		2897	} elsif (ref $channel) {
		2898	# send meta info to client, if not yet sent
		2899	unless (exists $self->{channel}{$channel->{id}}) {
		2900	$self->{channel}{$channel->{id}} = $channel;
		2901	$self->ext_msg (channel_info => $channel);
		2902	}
		2903
		2904	$channel = $channel->{id};
		2905	}
		2906
		2907	return unless @extra || length $msg;
		2908
		2909	# default colour, mask it out
		2910	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2911	if $color & cf::NDI_DEF;
		2912
		2913	my $pkt = "msg "
		2914	. $self->{json_coder}->encode (
		2915	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2916	);
		2917
		2918	# try lzf for large packets
		2919	$pkt = "lzf " . Compress::LZF::compress $pkt
		2920	if 1024 <= length $pkt and $self->{can_lzf};
		2921
		2922	# split very large packets
		2923	if (8192 < length $pkt and $self->{can_lzf}) {
		2924	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2925	$pkt = "frag";
		2926	}
		2927
		2928	$self->send_packet ($pkt);
		2929	}
		2930
2105	=item $client->ext_event ($type, %msg)	2931	=item $client->ext_msg ($type, @msg)
2106		2932
2107	Sends an exti event to the client.	2933	Sends an ext event to the client.
2108		2934
2109	=cut	2935	=cut
2110		2936
2111	sub cf::client::ext_event($$%) {	2937	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2938	my ($self, $type, @msg) = @_;
2113		2939
		2940	if ($self->extcmd == 2) {
		2941	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2942	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2943	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2944	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2945	}
		2946	}
		2947
		2948	=item $client->ext_reply ($msgid, @msg)
		2949
		2950	Sends an ext reply to the client.
		2951
		2952	=cut
		2953
		2954	sub cf::client::ext_reply($$@) {
		2955	my ($self, $id, @msg) = @_;
		2956
		2957	if ($self->extcmd == 2) {
		2958	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2959	} elsif ($self->extcmd == 1) {
		2960	#TODO: version 1, remove
		2961	unshift @msg, msgtype => "reply", msgid => $id;
		2962	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2963	}
2116	}	2964	}
2117		2965
2118	=item $success = $client->query ($flags, "text", \&cb)	2966	=item $success = $client->query ($flags, "text", \&cb)
2119		2967
2120	Queues a query to the client, calling the given callback with	2968	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2969	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2970	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2971
2124	Queries can fail, so check the return code. Or don't, as queries will become	2972	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2973	become reliable at some point in the future.
2126		2974
2127	=cut	2975	=cut
2128		2976
2129	sub cf::client::query {	2977	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2978	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2986	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2987	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2988
2141	$self->send_packet ($self->{query_queue}[0][0])	2989	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2990	if @{ $self->{query_queue} } == 1;
		2991
		2992	1
2143	}	2993	}
2144		2994
2145	cf::client->attach (	2995	cf::client->attach (
		2996	on_connect => sub {
		2997	my ($ns) = @_;
		2998
		2999	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3000	},
2146	on_reply => sub {	3001	on_reply => sub {
2147	my ($ns, $msg) = @_;	3002	my ($ns, $msg) = @_;
2148		3003
2149	# this weird shuffling is so that direct followup queries	3004	# this weird shuffling is so that direct followup queries
2150	# get handled first	3005	# get handled first
…		…
2162	} else {	3017	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3019	}
2165	}	3020	}
2166	},	3021	},
		3022	on_exticmd => sub {
		3023	my ($ns, $buf) = @_;
		3024
		3025	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3026
		3027	if (ref $msg) {
		3028	my ($type, $reply, @payload) =
		3029	"ARRAY" eq ref $msg
		3030	? @$msg
		3031	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3032
		3033	my @reply;
		3034
		3035	if (my $cb = $EXTICMD{$type}) {
		3036	@reply = $cb->($ns, @payload);
		3037	}
		3038
		3039	$ns->ext_reply ($reply, @reply)
		3040	if $reply;
		3041
		3042	} else {
		3043	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3044	}
		3045
		3046	cf::override;
		3047	},
2167	);	3048	);
2168		3049
2169	=item $client->async (\&cb)	3050	=item $client->async (\&cb)
2170		3051
2171	Create a new coroutine, running the specified callback. The coroutine will	3052	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	3093	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3094	our $safe_hole = new Safe::Hole;
2214		3095
2215	$SIG{FPE} = 'IGNORE';	3096	$SIG{FPE} = 'IGNORE';
2216		3097
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3098	$safe->permit_only (Opcode::opset qw(
		3099	:base_core :base_mem :base_orig :base_math
		3100	grepstart grepwhile mapstart mapwhile
		3101	sort time
		3102	));
2218		3103
2219	# here we export the classes and methods available to script code	3104	# here we export the classes and methods available to script code
2220		3105
2221	=pod	3106	=pod
2222		3107
2223	The following functions and methods are available within a safe environment:	3108	The following functions and methods are available within a safe environment:
2224		3109
2225	cf::object contr pay_amount pay_player map	3110	cf::object
		3111	contr pay_amount pay_player map x y force_find force_add destroy
		3112	insert remove name archname title slaying race decrease split
		3113	value
		3114
2226	cf::object::player player	3115	cf::object::player
2227	cf::player peaceful	3116	player
2228	cf::map trigger	3117
		3118	cf::player
		3119	peaceful
		3120
		3121	cf::map
		3122	trigger
2229		3123
2230	=cut	3124	=cut
2231		3125
2232	for (	3126	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3128	insert remove inv nrof name archname title slaying race
		3129	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
2237	) {	3133	) {
2238	no strict 'refs';	3134	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3135	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3136	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2257	my ($code, %vars) = @_;	3153	my ($code, %vars) = @_;
2258		3154
2259	my $qcode = $code;	3155	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3156	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3157	$qcode =~ s/\n/\\n/g;
		3158
		3159	%vars = (_dummy => 0) unless %vars;
2262		3160
2263	local $_;	3161	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;	3162	local @safe::cf::_safe_eval_args = values %vars;
2265		3163
2266	my $eval =	3164	my $eval =
…		…
2309	=back	3207	=back
2310		3208
2311	=cut	3209	=cut
2312		3210
2313	#############################################################################	3211	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3212	# the server's init and main functions
2487		3213
2488	sub load_facedata($) {	3214	sub load_facedata($) {
2489	my ($path) = @_;	3215	my ($path) = @_;
		3216
		3217	# HACK to clear player env face cache, we need some signal framework
		3218	# for this (global event?)
		3219	%ext::player_env::MUSIC_FACE_CACHE = ();
		3220
		3221	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3222
2491	warn "loading facedata from $path\n";	3223	warn "loading facedata from $path\n";
2492		3224
2493	my $facedata;	3225	my $facedata;
2494	0 < aio_load $path, $facedata	3226	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3229	$facedata = Coro::Storable::thaw $facedata;
2498		3230
2499	$facedata->{version} == 2	3231	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3232	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3233
		3234	# patch in the exptable
		3235	$facedata->{resource}{"res/exp_table"} = {
		3236	type => FT_RSRC,
		3237	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3238	};
		3239	cf::cede_to_tick;
		3240
2502	{	3241	{
2503	my $faces = $facedata->{faceinfo};	3242	my $faces = $facedata->{faceinfo};
2504		3243
2505	while (my ($face, $info) = each %$faces) {	3244	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3245	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3246
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3247	cf::face::set_visibility $idx, $info->{visibility};
		3248	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3249	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3250	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3251
		3252	cf::cede_to_tick;
2511	}	3253	}
2512		3254
2513	while (my ($face, $info) = each %$faces) {	3255	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3256	next unless $info->{smooth};
		3257
2515	my $idx = cf::face::find $face	3258	my $idx = cf::face::find $face
2516	or next;	3259	or next;
		3260
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3261	if (my $smooth = cf::face::find $info->{smooth}) {
		3262	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3263	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3264	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3265	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3266	}
2522	Coro::cede;	3267
		3268	cf::cede_to_tick;
2523	}	3269	}
2524	}	3270	}
2525		3271
2526	{	3272	{
2527	my $anims = $facedata->{animinfo};	3273	my $anims = $facedata->{animinfo};
2528		3274
2529	while (my ($anim, $info) = each %$anims) {	3275	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3276	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3277	cf::cede_to_tick;
2532	}	3278	}
2533		3279
2534	cf::anim::invalidate_all; # d'oh	3280	cf::anim::invalidate_all; # d'oh
2535	}	3281	}
2536		3282
		3283	{
		3284	# TODO: for gcfclient pleasure, we should give resources
		3285	# that gcfclient doesn't grok a >10000 face index.
		3286	my $res = $facedata->{resource};
		3287
		3288	while (my ($name, $info) = each %$res) {
		3289	if (defined $info->{type}) {
		3290	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3291	my $data;
		3292
		3293	if ($info->{type} & 1) {
		3294	# prepend meta info
		3295
		3296	my $meta = $enc->encode ({
		3297	name => $name,
		3298	%{ $info->{meta} || {} },
		3299	});
		3300
		3301	$data = pack "(w/a*)*", $meta, $info->{data};
		3302	} else {
		3303	$data = $info->{data};
		3304	}
		3305
		3306	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3307	cf::face::set_type $idx, $info->{type};
		3308	} else {
		3309	$RESOURCE{$name} = $info;
		3310	}
		3311
		3312	cf::cede_to_tick;
		3313	}
		3314	}
		3315
		3316	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3317
2537	1	3318	1
2538	}	3319	}
2539		3320
		3321	cf::global->attach (on_resource_update => sub {
		3322	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3323	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3324
		3325	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3326	my $sound = $soundconf->{compat}[$_]
		3327	or next;
		3328
		3329	my $face = cf::face::find "sound/$sound->[1]";
		3330	cf::sound::set $sound->[0] => $face;
		3331	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3332	}
		3333
		3334	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3335	my $face = cf::face::find "sound/$v";
		3336	cf::sound::set $k => $face;
		3337	}
		3338	}
		3339	});
		3340
		3341	register_exticmd fx_want => sub {
		3342	my ($ns, $want) = @_;
		3343
		3344	while (my ($k, $v) = each %$want) {
		3345	$ns->fx_want ($k, $v);
		3346	}
		3347	};
		3348
		3349	sub load_resource_file($) {
		3350	my $guard = lock_acquire "load_resource_file";
		3351
		3352	my $status = load_resource_file_ $_[0];
		3353	get_slot 0.1, 100;
		3354	cf::arch::commit_load;
		3355
		3356	$status
		3357	}
		3358
2540	sub reload_regions {	3359	sub reload_regions {
		3360	# HACK to clear player env face cache, we need some signal framework
		3361	# for this (global event?)
		3362	%ext::player_env::MUSIC_FACE_CACHE = ();
		3363
2541	load_resource_file "$MAPDIR/regions"	3364	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3365	or die "unable to load regions file\n";
		3366
		3367	for (cf::region::list) {
		3368	$_->{match} = qr/$_->{match}/
		3369	if exists $_->{match};
		3370	}
2543	}	3371	}
2544		3372
2545	sub reload_facedata {	3373	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3374	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3375	or die "unable to load facedata\n";
…		…
2558	}	3386	}
2559		3387
2560	sub reload_resources {	3388	sub reload_resources {
2561	warn "reloading resource files...\n";	3389	warn "reloading resource files...\n";
2562		3390
2563	reload_regions;
2564	reload_facedata;	3391	reload_facedata;
2565	reload_archetypes;	3392	reload_archetypes;
		3393	reload_regions;
2566	reload_treasures;	3394	reload_treasures;
2567		3395
2568	warn "finished reloading resource files\n";	3396	warn "finished reloading resource files\n";
2569	}	3397	}
2570		3398
2571	sub init {	3399	sub reload_config {
2572	reload_resources;	3400	warn "reloading config file...\n";
2573	}
2574		3401
2575	sub cfg_load {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3403	or return;
2578		3404
2579	local $/;	3405	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3406	*CFG = YAML::XS::Load scalar <$fh>;
2581		3407
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583		3409
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2589	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2590	and die "WARNING: m(un)lockall failed: $!\n";	3416	and die "WARNING: m(un)lockall failed: $!\n";
2591	};	3417	};
2592	warn $@ if $@;	3418	warn $@ if $@;
2593	}	3419	}
		3420
		3421	warn "finished reloading resource files\n";
		3422	}
		3423
		3424	sub pidfile() {
		3425	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3426	or die "$PIDFILE: $!";
		3427	flock $fh, &Fcntl::LOCK_EX
		3428	or die "$PIDFILE: flock: $!";
		3429	$fh
		3430	}
		3431
		3432	# make sure only one server instance is running at any one time
		3433	sub atomic {
		3434	my $fh = pidfile;
		3435
		3436	my $pid = <$fh>;
		3437	kill 9, $pid if $pid > 0;
		3438
		3439	seek $fh, 0, 0;
		3440	print $fh $$;
		3441	}
		3442
		3443	sub main_loop {
		3444	warn "EV::loop starting\n";
		3445	if (1) {
		3446	EV::loop;
		3447	}
		3448	warn "EV::loop returned\n";
		3449	goto &main_loop unless $REALLY_UNLOOP;
2594	}	3450	}
2595		3451
2596	sub main {	3452	sub main {
		3453	cf::init_globals; # initialise logging
		3454
		3455	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3456	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3457	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3458	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3459
		3460	cf::init_experience;
		3461	cf::init_anim;
		3462	cf::init_attackmess;
		3463	cf::init_dynamic;
		3464
		3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3466
2597	# we must not ever block the main coroutine	3467	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3468	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3469	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3470	(async {
2601	Event::one_event;	3471	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3472	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3473	})->prio (Coro::PRIO_MAX);
2603	};	3474	};
2604		3475
2605	cfg_load;	3476	evthread_start IO::AIO::poll_fileno;
		3477
		3478	cf::sync_job {
		3479	reload_resources;
		3480	reload_config;
2606	db_init;	3481	db_init;
		3482
		3483	cf::load_settings;
		3484	cf::load_materials;
		3485	cf::init_uuid;
		3486	cf::init_signals;
		3487	cf::init_commands;
		3488	cf::init_skills;
		3489
		3490	cf::init_beforeplay;
		3491
		3492	atomic;
		3493
2607	load_extensions;	3494	load_extensions;
2608		3495
2609	$TICK_WATCHER->start;	3496	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3497
		3498	# no (long-running) fork's whatsoever before this point(!)
		3499	use POSIX ();
		3500	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3501
		3502	(pop @POST_INIT)->(0) while @POST_INIT;
		3503	};
		3504
		3505	main_loop;
2611	}	3506	}
2612		3507
2613	#############################################################################	3508	#############################################################################
2614	# initialisation and cleanup	3509	# initialisation and cleanup
2615		3510
2616	# install some emergency cleanup handlers	3511	# install some emergency cleanup handlers
2617	BEGIN {	3512	BEGIN {
		3513	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3514	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3515	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3516	cf::cleanup "SIG$signal";
2626	},
2627	);	3517	};
		3518	}
		3519	}
		3520
		3521	sub write_runtime_sync {
		3522	# first touch the runtime file to show we are still running:
		3523	# the fsync below can take a very very long time.
		3524
		3525	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3526
		3527	my $guard = cf::lock_acquire "write_runtime";
		3528
		3529	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3530	or return;
		3531
		3532	my $value = $cf::RUNTIME + 90 + 10;
		3533	# 10 is the runtime save interval, for a monotonic clock
		3534	# 60 allows for the watchdog to kill the server.
		3535
		3536	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3537	and return;
		3538
		3539	# always fsync - this file is important
		3540	aio_fsync $fh
		3541	and return;
		3542
		3543	# touch it again to show we are up-to-date
		3544	aio_utime $fh, undef, undef;
		3545
		3546	close $fh
		3547	or return;
		3548
		3549	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3550	and return;
		3551
		3552	warn "runtime file written.\n";
		3553
2628	}	3554	1
		3555	}
		3556
		3557	our $uuid_lock;
		3558	our $uuid_skip;
		3559
		3560	sub write_uuid_sync($) {
		3561	$uuid_skip ||= $_[0];
		3562
		3563	return if $uuid_lock;
		3564	local $uuid_lock = 1;
		3565
		3566	my $uuid = "$LOCALDIR/uuid";
		3567
		3568	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3569	or return;
		3570
		3571	my $value = uuid_seq uuid_cur;
		3572
		3573	unless ($value) {
		3574	warn "cowardly refusing to write zero uuid value!\n";
		3575	return;
		3576	}
		3577
		3578	my $value = uuid_str $value + $uuid_skip;
		3579	$uuid_skip = 0;
		3580
		3581	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3582	and return;
		3583
		3584	# always fsync - this file is important
		3585	aio_fsync $fh
		3586	and return;
		3587
		3588	close $fh
		3589	or return;
		3590
		3591	aio_rename "$uuid~", $uuid
		3592	and return;
		3593
		3594	warn "uuid file written ($value).\n";
		3595
		3596	1
		3597
		3598	}
		3599
		3600	sub write_uuid($$) {
		3601	my ($skip, $sync) = @_;
		3602
		3603	$sync ? write_uuid_sync $skip
		3604	: async { write_uuid_sync $skip };
2629	}	3605	}
2630		3606
2631	sub emergency_save() {	3607	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3608	my $freeze_guard = cf::freeze_mainloop;
2633		3609
2634	warn "enter emergency perl save\n";	3610	warn "emergency_perl_save: enter\n";
2635		3611
2636	cf::sync_job {	3612	cf::sync_job {
		3613	# this is a trade-off: we want to be very quick here, so
		3614	# save all maps without fsync, and later call a global sync
		3615	# (which in turn might be very very slow)
		3616	local $USE_FSYNC = 0;
		3617
2637	# use a peculiar iteration method to avoid tripping on perl	3618	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3619	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3620	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3621	warn "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3622	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3623	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3624	$pl->valid or next;
		3625	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3626	$pl->save;
2645	}	3627	}
2646	warn "end emergency player save\n";	3628	warn "emergency_perl_save: end player save\n";
2647		3629
2648	warn "begin emergency map save\n";	3630	warn "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3631	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3632	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3633	$map->valid or next;
2652	$map->save;	3634	$map->save;
2653	}	3635	}
2654	warn "end emergency map save\n";	3636	warn "emergency_perl_save: end map save\n";
2655		3637
2656	warn "begin emergency database checkpoint\n";	3638	warn "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3639	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3640	warn "emergency_perl_save: end database checkpoint\n";
		3641
		3642	warn "emergency_perl_save: begin write uuid\n";
		3643	write_uuid_sync 1;
		3644	warn "emergency_perl_save: end write uuid\n";
2659	};	3645	};
2660		3646
		3647	warn "emergency_perl_save: starting sync()\n";
		3648	IO::AIO::aio_sync sub {
		3649	warn "emergency_perl_save: finished sync()\n";
		3650	};
		3651
2661	warn "leave emergency perl save\n";	3652	warn "emergency_perl_save: leave\n";
2662	}	3653	}
2663		3654
2664	sub post_cleanup {	3655	sub post_cleanup {
2665	my ($make_core) = @_;	3656	my ($make_core) = @_;
2666		3657
2667	warn Carp::longmess "post_cleanup backtrace"	3658	warn Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3659	if $make_core;
		3660
		3661	my $fh = pidfile;
		3662	unlink $PIDFILE if <$fh> == $$;
		3663	}
		3664
		3665	# a safer delete_package, copied from Symbol
		3666	sub clear_package($) {
		3667	my $pkg = shift;
		3668
		3669	# expand to full symbol table name if needed
		3670	unless ($pkg =~ /^main::.*::$/) {
		3671	$pkg = "main$pkg" if $pkg =~ /^::/;
		3672	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3673	$pkg .= '::' unless $pkg =~ /::$/;
		3674	}
		3675
		3676	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3677	my $stem_symtab = *{$stem}{HASH};
		3678
		3679	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3680	or return;
		3681
		3682	# clear all symbols
		3683	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3684	for my $name (keys %$leaf_symtab) {
		3685	_gv_clear *{"$pkg$name"};
		3686	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3687	}
		3688	warn "cleared package $pkg\n";#d#
2669	}	3689	}
2670		3690
2671	sub do_reload_perl() {	3691	sub do_reload_perl() {
2672	# can/must only be called in main	3692	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3693	if ($Coro::current != $Coro::main) {
2674	warn "can only reload from main coroutine";	3694	warn "can only reload from main coroutine";
2675	return;	3695	return;
2676	}	3696	}
2677		3697
		3698	return if $RELOAD++;
		3699
		3700	my $t1 = EV::time;
		3701
		3702	while ($RELOAD) {
2678	warn "reloading...";	3703	warn "reloading...";
2679		3704
2680	warn "entering sync_job";	3705	warn "entering sync_job";
2681		3706
2682	cf::sync_job {	3707	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark	3708	cf::write_runtime_sync; # external watchdog should not bark
2684	cf::emergency_save;	3709	cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark	3710	cf::write_runtime_sync; # external watchdog should not bark
2686		3711
2687	warn "syncing database to disk";	3712	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3713	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3714
2690	# if anything goes wrong in here, we should simply crash as we already saved	3715	# if anything goes wrong in here, we should simply crash as we already saved
2691		3716
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";	3717	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3718	while (IO::AIO::nreqs || BDB::nreqs) {
2703	warn "iterate...";	3719	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();
2711
2712	warn "removing commands";
2713	%COMMAND = ();
2714
2715	warn "removing ext commands";
2716	%EXTCMD = ();
2717
2718	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";
2721
2722	if (my $cb = $pkg->can ("unload")) {
2723	eval {
2724	$cb->($pkg);
2725	1
2726	} or warn "$pkg unloaded, but with errors: $@";
2727	}	3720	}
2728		3721
2729	warn "... nuking $pkg";	3722	warn "cancelling all extension coros";
2730	Symbol::delete_package $pkg;	3723	$_->cancel for values %EXT_CORO;
2731	}	3724	%EXT_CORO = ();
2732		3725
2733	warn "unloading all perl modules loaded from $LIBDIR";	3726	warn "removing commands";
2734	while (my ($k, $v) = each %INC) {	3727	%COMMAND = ();
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3728
		3729	warn "removing ext/exti commands";
		3730	%EXTCMD = ();
		3731	%EXTICMD = ();
		3732
		3733	warn "unloading/nuking all extensions";
		3734	for my $pkg (@EXTS) {
2737	warn "... unloading $k";	3735	warn "... unloading $pkg";
2738	delete $INC{$k};
2739		3736
2740	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;
2742
2743	if (my $cb = $k->can ("unload_module")) {	3737	if (my $cb = $pkg->can ("unload")) {
		3738	eval {
2744	$cb->();	3739	$cb->($pkg);
		3740	1
		3741	} or warn "$pkg unloaded, but with errors: $@";
		3742	}
		3743
		3744	warn "... clearing $pkg";
		3745	clear_package $pkg;
2745	}	3746	}
2746		3747
2747	Symbol::delete_package $k;	3748	warn "unloading all perl modules loaded from $LIBDIR";
		3749	while (my ($k, $v) = each %INC) {
		3750	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3751
		3752	warn "... unloading $k";
		3753	delete $INC{$k};
		3754
		3755	$k =~ s/\.pm$//;
		3756	$k =~ s/\//::/g;
		3757
		3758	if (my $cb = $k->can ("unload_module")) {
		3759	$cb->();
		3760	}
		3761
		3762	clear_package $k;
2748	}	3763	}
2749		3764
2750	warn "getting rid of safe::, as good as possible";	3765	warn "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3766	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3767	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3768
2754	warn "unloading cf.pm \"a bit\"";	3769	warn "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3770	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3771	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3772
2758	# don't, removes xs symbols, too,	3773	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3774	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3775	#clear_package __PACKAGE__;
2761		3776
2762	warn "unload completed, starting to reload now";	3777	warn "unload completed, starting to reload now";
2763		3778
2764	warn "reloading cf.pm";	3779	warn "reloading cf.pm";
2765	require cf;	3780	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3781	cf::_connect_to_perl_1;
2767		3782
2768	warn "loading config and database again";	3783	warn "loading config and database again";
2769	cf::cfg_load;	3784	cf::reload_config;
2770		3785
2771	warn "loading extensions";	3786	warn "loading extensions";
2772	cf::load_extensions;	3787	cf::load_extensions;
2773		3788
		3789	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	3790	warn "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3791	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3792	warn "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3793	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3794	warn "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3795	reattach $_ for values %PLAYER;
		3796	}
2780		3797
		3798	warn "running post_init jobs";
		3799	(pop @POST_INIT)->(1) while @POST_INIT;
		3800
2781	warn "leaving sync_job";	3801	warn "leaving sync_job";
2782		3802
2783	1	3803	1
2784	} or do {	3804	} or do {
2785	warn $@;	3805	warn $@;
2786	warn "error while reloading, exiting.";	3806	cf::cleanup "error while reloading, exiting.";
2787	exit 1;
2788	};	3807	};
2789		3808
2790	warn "reloaded";	3809	warn "reloaded";
		3810	--$RELOAD;
		3811	}
		3812
		3813	$t1 = EV::time - $t1;
		3814	warn "reload completed in ${t1}s\n";
2791	};	3815	};
2792		3816
2793	our $RELOAD_WATCHER; # used only during reload	3817	our $RELOAD_WATCHER; # used only during reload
2794		3818
2795	sub reload_perl() {	3819	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3820	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3821	# coro crashes during coro_state_free->destroy here.
2798		3822
2799	$RELOAD_WATCHER ||= Event->timer (	3823	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	3824	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	3825
2802	data => WF_AUTOCANCEL,	3826	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	3827	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3828	undef $RELOAD_WATCHER;
2806	},	3829	};
2807	);	3830	};
2808	}	3831	}
2809		3832
2810	register_command "reload" => sub {	3833	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3834	my ($who, $arg) = @_;
2812		3835
2813	if ($who->flag (FLAG_WIZ)) {	3836	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3837	$who->message ("reloading server.");
		3838	async {
		3839	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3840	reload_perl;
		3841	};
2816	}	3842	}
2817	};	3843	};
2818		3844
2819	unshift @INC, $LIBDIR;	3845	unshift @INC, $LIBDIR;
2820		3846
…		…
2822		3848
2823	our @WAIT_FOR_TICK;	3849	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	3850	our @WAIT_FOR_TICK_BEGIN;
2825		3851
2826	sub wait_for_tick {	3852	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	3853	return if tick_inhibit || $Coro::current == $Coro::main;
2829		3854
2830	my $signal = new Coro::Signal;	3855	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	3856	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	3857	$signal->wait;
2833	}	3858	}
2834		3859
2835	sub wait_for_tick_begin {	3860	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3861	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3862
2839	my $signal = new Coro::Signal;	3863	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3864	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3865	$signal->wait;
2842	}	3866	}
2843		3867
2844	my $min = 1e6;#d#	3868	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	3869	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3870	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	3871	unless ++$bug_warning > 10;
2856	return;	3872	return;
2857	}	3873	}
2858		3874
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	3875	cf::server_tick; # one server iteration
2862		3876
2863	0 && sync_job {#d#	3877	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	3878	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	3879	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3880	$Coro::current->{desc} = "runtime saver";
2867	or die;	3881	write_runtime_sync
2868		3882	or warn "ERROR: unable to write runtime file: $!";
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	3883	};
		3884	}
2885		3885
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3886	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	3887	$sig->send;
2902	}	3888	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	3889	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	3890	$sig->send;
2905	}	3891	}
2906		3892
2907	$NOW = Event::time;	3893	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3894	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		3895
2918	_post_tick;	3896	if (0) {
2919		3897	if ($NEXT_TICK) {
2920		3898	my $jitter = $TICK_START - $NEXT_TICK;
		3899	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3900	warn "jitter $JITTER\n";#d#
		3901	}
2921	},	3902	}
2922	);	3903	}
2923		3904
2924	{	3905	{
2925	BDB::max_poll_time $TICK * 0.1;	3906	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	3907
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	3908	BDB::min_parallel 8;
2935		3909	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	3910	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		3911
2951	unless ($DB_ENV) {	3912	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	3913	$DB_ENV = BDB::db_env_create;
		3914	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3915	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3916	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3917	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3918	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		3919
2954	cf::sync_job {	3920	cf::sync_job {
2955	eval {	3921	eval {
2956	BDB::db_env_open	3922	BDB::db_env_open
2957	$DB_ENV,	3923	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3925	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3926	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	3927	0666;
2962		3928
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3929	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	3930	};
2968		3931
2969	cf::cleanup "db_env_open(db): $@" if $@;	3932	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	3933	};
2971	}	3934	}
		3935
		3936	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3937	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3938	};
		3939	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3940	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3941	};
		3942	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3943	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3944	};
2972	}	3945	}
2973		3946
2974	{	3947	{
		3948	# configure IO::AIO
		3949
2975	IO::AIO::min_parallel 8;	3950	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	3951	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	3952	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	3953	}
2988		3954
2989	my $_log_backtrace;	3955	my $_log_backtrace;
2990		3956
2991	sub _log_backtrace {	3957	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	3960	$msg =~ s/\n//;
2995		3961
2996	# limit the # of concurrent backtraces	3962	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	3963	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	3964	++$_log_backtrace;
		3965	my $perl_bt = Carp::longmess $msg;
2999	async {	3966	async {
		3967	$Coro::current->{desc} = "abt $msg";
		3968
3000	my @bt = fork_call {	3969	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	3970	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3971	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3972	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	3973	or die "addr2line: $!";
…		…
3012	}	3981	}
3013		3982
3014	@funcs	3983	@funcs
3015	};	3984	};
3016		3985
3017	LOG llevInfo, "[ABT] $msg\n";	3986	LOG llevInfo, "[ABT] $perl_bt\n";
		3987	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	3988	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	3989	--$_log_backtrace;
3020	};	3990	};
3021	} else {	3991	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	3992	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	3993	LOG llevInfo, "[ABT] [suppressed]\n";
3024	}	3994	}
3025	}	3995	}
3026		3996
3027	# load additional modules	3997	# load additional modules
3028	use cf::pod;	3998	require "cf/$_.pm" for @EXTRA_MODULES;
		3999	cf::_connect_to_perl_2;
3029		4000
3030	END { cf::emergency_save }	4001	END { cf::emergency_save }
3031		4002
3032	1	4003	1
3033		4004

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