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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.488 by root, Wed Oct 21 00:44:39 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';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		279
194	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	281	# within the Safe compartment.
196	for my $pkg (qw(	282	for my $pkg (qw(
197	cf::global cf::attachable	283	cf::global cf::attachable
198	cf::object cf::object::player	284	cf::object cf::object::player
199	cf::client cf::player	285	cf::client cf::player
200	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
201	cf::map cf::party cf::region	288	cf::party cf::region
202	)) {	289	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	291	}
206		292
207	$Event::DIED = sub {	293	$EV::DIED = sub {
208	warn "error in event callback: @_";	294	warn "error in event callback: @_";
209	};	295	};
		296
		297	#############################################################################
210		298
211	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
212		300
213	=over 4	301	=over 4
214		302
…		…
233	$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;
234	$d	322	$d
235	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
236	}	324	}
237		325
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
241		327
242	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
243		329
244	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
245		331
246	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	355	=item cf::lock_wait $string
249		356
250	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
251		358
252	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
253		360
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
257	returned.	364	returned.
258		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
259	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
260	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
261		371
262	=item $locked = cf::lock_active $string	372	=item $locked = cf::lock_active $string
263		373
264	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.
265		375
266	=cut	376	=cut
267		377
268	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
269		379
270	sub lock_wait($) {	380	sub lock_wait($) {
271	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	382	}
279		383
280	sub lock_acquire($) {	384	sub lock_acquire($) {
281	my ($key) = @_;	385	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	386	}
293		387
294	sub lock_active($) {	388	sub lock_active($) {
295	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	390	}
299		391
300	sub freeze_mainloop {	392	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
302		394
303	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
304	$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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
305	};	456	}
306	$TICK_WATCHER->stop;	457	};
307	$guard	458
		459	sub get_slot($;$$) {
		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	$sig->wait;
308	}	471	}
309		472
310	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
311		474
312	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		480
318	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
319		482
320	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
321		484
322	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
325		489
326	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
329	fast or be very important.	493	fast or be very important.
…		…
332		496
333	sub sync_job(&) {	497	sub sync_job(&) {
334	my ($job) = @_;	498	my ($job) = @_;
335		499
336	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	501	my $time = EV::time;
338		502
339	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
341		505
342	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	507
344	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
345		509
346	my $busy = 1;	510	my $busy = 1;
347	my @res;	511	my @res;
348		512
349	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	515	@res = eval { $job->() };
351	warn $@ if $@;	516	warn $@ if $@;
352	undef $busy;	517	undef $busy;
353	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
354		519
355	while ($busy) {	520	while ($busy) {
356	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
357	}	525	}
		526	}
358		527
359	$time = Event::time - $time;	528	my $time = EV::time - $time;
360		529
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
365		531
366	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
367	} else {	533	} else {
368	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
369		535
…		…
389	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
390		556
391	$coro	557	$coro
392	}	558	}
393		559
394	sub write_runtime {	560	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		561
397	# first touch the runtime file to show we are still running:	562	Executes the given code block with the given arguments in a seperate
398	# 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.
399		566
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	567	=cut
401	utime undef, undef, $fh;	568
		569	sub fork_call(&@) {
		570	my ($cb, @args) = @_;
		571
		572	# we seemingly have to make a local copy of the whole thing,
		573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
		575
		576	my @res = Coro::Util::fork_eval {
		577	reset_signals;
		578	&$cb
		579	}, @args;
		580
		581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		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 $!;
402	}	638	};
		639	cf::cleanup "db_open(db): $@" if $@;
403		640
404	my $guard = cf::lock_acquire "write_runtime";	641	$db
		642	}
405		643
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	644	our $DB;
407	or return;
408		645
409	my $value = $cf::RUNTIME + 90 + 10;	646	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	647	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	648	$DB ||= db_table "db";
		649	};
		650	}
412		651
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	652	sub db_get($$) {
414	and return;	653	my $key = "$_[0]/$_[1]";
415		654
416	# always fsync - this file is important	655	cf::sync_job {
417	aio_fsync $fh	656	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		657
420	# touch it again to show we are up-to-date	658	$! ? ()
421	utime undef, undef, $fh;	659	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		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"
432	}	736	}
433		737
434	=item cf::datalog type => key => value, ...	738	=item cf::datalog type => key => value, ...
435		739
436	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.
…		…
448		752
449	#############################################################################	753	#############################################################################
450		754
451	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
452		756
453	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
454	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")
455	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
456		760
457	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>
458	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
459	crossfire+).	763	Deliantra).
460		764
461	=over 4	765	=over 4
462		766
463	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
464		768
…		…
508	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
509		813
510	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
512		816
513	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		819
516	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
517		821
518	=over 4	822	=over 4
…		…
666	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
667	}	971	}
668		972
669	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
670	} else {	974	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	976	}
673		977
674	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
675	}	979	}
676		980
…		…
716	";	1020	";
717	die if $@;	1021	die if $@;
718	}	1022	}
719		1023
720	our $override;	1024	our $override;
721	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?
722		1026
723	sub override {	1027	sub override {
724	$override = 1;	1028	$override = 1;
725	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
726	}	1030	}
727		1031
728	sub do_invoke {	1032	sub do_invoke {
729	my $event = shift;	1033	my $event = shift;
730	my $callbacks = shift;	1034	my $callbacks = shift;
731		1035
732	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
733		1037
734	local $override;	1038	local $override;
735		1039
736	for (@$callbacks) {	1040	for (@$callbacks) {
737	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
746	}	1050	}
747		1051
748	0	1052	0
749	}	1053	}
750		1054
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1056
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1058
755	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
756		1060
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1064
761	=back	1065	=back
762		1066
763	=cut	1067	=cut
764		1068
765	#############################################################################	1069	#############################################################################
766	# 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, $ob2
		1112	}
767		1113
768	sub reattach {	1114	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1116	my ($obj) = @_;
771		1117
		1118	# no longer needed after getting rid of delete_package?
772	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
773		1120
774	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
775		1122
776	@$registry = ();	1123	@$registry = ();
777		1124
…		…
792	cf::attachable->attach (	1139	cf::attachable->attach (
793	prio => -1000000,	1140	prio => -1000000,
794	on_instantiate => sub {	1141	on_instantiate => sub {
795	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
796		1143
797	$data = from_json $data;	1144	$data = decode_json $data;
798		1145
799	for (@$data) {	1146	for (@$data) {
800	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
801		1148
802	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1165	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
820		1167
821	sync_job {	1168	sync_job {
822	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
825		1173
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	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	}
830	close $fh;	1181	aio_close $fh;
831		1182
832	if (@$objs) {	1183	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
837	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	}
838	close $fh;	1192	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
840	}	1194	}
841	} else {	1195	} else {
842	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
843	}	1197	}
844		1198
845	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1203	} else {
847	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
848	}	1205	}
849	} else {	1206	} else {
850	aio_unlink $filename;	1207	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
852	}	1209	}
853	}	1210	};
854	}	1211	}
855		1212
856	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
858		1215
…		…
870	or return;	1227	or return;
871		1228
872	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
874	or return;	1231	or return;
		1232
875	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
876	}	1235	}
877		1236
		1237	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
880	return ($data, $av);	1241	($data, $av)
881	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
882		1249
883	#############################################################################	1250	#############################################################################
884	# command handling &c	1251	# command handling &c
885		1252
886	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1267	}
901		1268
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1270
904	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.
905		1276
906	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
907	called.	1278	called.
908		1279
		1280	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1281
		1282	Register a callback for execution when the client sends an (asynchronous)
		1283	exticmd packet. Exti commands are processed by the server as soon as they
		1284	are received, i.e. out of order w.r.t. other commands. The first argument
		1285	is a client socket. Exti commands can be received anytime, even before
		1286	log-in.
		1287
		1288	If the callback returns something, it is sent back as if reply was being
		1289	called.
		1290
909	=cut	1291	=cut
910		1292
911	sub register_extcmd {	1293	sub register_extcmd {
912	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
913		1295
914	$EXTCMD{$name} = $cb;	1296	$EXTCMD{$name} = $cb;
915	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
916		1306
917	cf::player->attach (	1307	cf::player->attach (
918	on_command => sub {	1308	on_command => sub {
919	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
920		1310
…		…
928	cf::override;	1318	cf::override;
929	},	1319	},
930	on_extcmd => sub {	1320	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
932		1322
933	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1324
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
941	} else {	1340	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1342	}
944		1343
945	cf::override;	1344	cf::override;
946	},	1345	},
947	);	1346	);
948		1347
		1348	# "readahead" all extensions
949	sub load_extension {	1349	sub cache_extensions {
950	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
951		1351
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1355	}
977	die $@;
978	}	1356	};
979		1357
980	push @EXTS, $pkg;	1358	$grp
981	}	1359	}
982		1360
983	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
984	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1366	next unless -r $path;
986	eval {	1367
987	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	$progress = 1;
988	1	1424	}
989	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
990	}	1430	};
991	}	1431	}
992		1432
993	#############################################################################	1433	#############################################################################
994		1434
		1435	=back
		1436
995	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
996		1438
997	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
998		1440
999	=cut	1441	=cut
1000		1442
1001	package cf::player;	1443	package cf::player;
1002		1444
1003	use Coro::AIO;	1445	use Coro::AIO;
1004		1446
1005	=head3 cf::player	1447	=head3 cf::player
1006		1448
1007	=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	}
1008		1464
1009	=item cf::player::find $login	1465	=item cf::player::find $login
1010		1466
1011	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
1012		1468
…		…
1031		1487
1032	sub exists($) {	1488	sub exists($) {
1033	my ($login) = @_;	1489	my ($login) = @_;
1034		1490
1035	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1037	}	1493	}
1038		1494
1039	sub find($) {	1495	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1497	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1507	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1508
1053	my $pl = load_pl path $login	1509	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1056	}	1518	}
1057	}	1519	}
1058	}	1520	}
1059		1521
…		…
1068	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1069		1531
1070	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1072		1534
		1535	cf::get_slot 0.01;
		1536
1073	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1074	Coro::cede;	1538	cf::cede_to_tick;
1075	}	1539	}
1076		1540
1077	sub new($) {	1541	sub new($) {
1078	my ($login) = @_;	1542	my ($login) = @_;
1079		1543
…		…
1085	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1086		1550
1087	$self	1551	$self
1088	}	1552	}
1089		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
1090	=item $pl->quit_character	1564	=item $pl->quit_character
1091		1565
1092	Nukes the player without looking back. If logged in, the connection will	1566	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1094		1568
…		…
1098	my ($pl) = @_;	1572	my ($pl) = @_;
1099		1573
1100	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1101		1575
1102	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1103	$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
1104		1578
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1109		1585
1110	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1623	or return [];
1148		1624
1149	my @logins;	1625	my @logins;
1150		1626
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1155		1637
1156	utf8::decode $login;	1638	utf8::decode $login;
1157	push @logins, $login;	1639	push @logins, $login;
1158	}	1640	}
1159		1641
…		…
1186	}	1668	}
1187		1669
1188	\@paths	1670	\@paths
1189	}	1671	}
1190		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1191	=item $player->ext_reply ($msgid, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1192		1678
1193	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1194		1680
1195	=cut	1681	=cut
1196		1682
1197	sub ext_reply($$%) {	1683	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1199		1685
1200	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1687	}
1204		1688
1205	=item $player->ext_event ($type, %msg)	1689	=item $player->ext_msg ($type, @msg)
1206		1690
1207	Sends an ext event to the client.	1691	Sends an ext event to the client.
1208		1692
1209	=cut	1693	=cut
1210		1694
1211	sub ext_event($$%) {	1695	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1696	my ($self, $type, @msg) = @_;
1213		1697
1214	$self->ns->ext_event ($type, %msg);	1698	$self->ns->ext_msg ($type, @msg);
1215	}	1699	}
1216		1700
1217	=head3 cf::region	1701	=head3 cf::region
1218		1702
1219	=over 4	1703	=over 4
…		…
1222		1706
1223	package cf::region;	1707	package cf::region;
1224		1708
1225	=item cf::region::find_by_path $path	1709	=item cf::region::find_by_path $path
1226		1710
1227	Tries to decuce the probable region for a map knowing only its path.	1711	Tries to decuce the likely region for a map knowing only its path.
1228		1712
1229	=cut	1713	=cut
1230		1714
1231	sub find_by_path($) {	1715	sub find_by_path($) {
1232	my ($path) = @_;	1716	my ($path) = @_;
1233		1717
1234	my ($match, $specificity);	1718	my ($match, $specificity);
1235		1719
1236	for my $region (list) {	1720	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1721	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1722	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1723	if $region->specificity > $specificity;
1240	}	1724	}
1241	}	1725	}
1242		1726
…		…
1263	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1265		1749
1266	sub generate_random_map {	1750	sub generate_random_map {
1267	my ($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
1268	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1756	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1793	my ($self, $merge) = @_;
1307		1794
1308	# we have to keep some variables in memory intact	1795	# we have to keep some variables in memory intact
1309	local $self->{path};	1796	local $self->{path};
1310	local $self->{load_path};	1797	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1798
1314	$self->SUPER::thawer_merge ($merge);	1799	$self->SUPER::thawer_merge ($merge);
1315	}	1800	}
1316		1801
1317	sub normalise {	1802	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1849	$self->init; # pass $1 etc.
1365	return $self;	1850	return $self;
1366	}	1851	}
1367	}	1852	}
1368		1853
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1855	()
1371	}	1856	}
1372		1857
1373	sub init {	1858	sub init {
1374	my ($self) = @_;	1859	my ($self) = @_;
…		…
1396		1881
1397	# the temporary/swap location	1882	# the temporary/swap location
1398	sub save_path {	1883	sub save_path {
1399	my ($self) = @_;	1884	my ($self) = @_;
1400		1885
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1403	}	1888	}
1404		1889
1405	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1406	sub uniq_path {	1891	sub uniq_path {
1407	my ($self) = @_;	1892	my ($self) = @_;
1408		1893
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1411	}	1896	}
1412		1897
1413	# and all this just because we cannot iterate over	1898	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1899	my ($self) = @_;
1417		1900
1418	$_->change_map_light ($change)	1901	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1902
		1903	$self->do_decay_objects;
1420	}	1904	}
1421		1905
1422	sub unlink_save {	1906	sub unlink_save {
1423	my ($self) = @_;	1907	my ($self) = @_;
1424		1908
…		…
1429		1913
1430	sub load_header_from($) {	1914	sub load_header_from($) {
1431	my ($self, $path) = @_;	1915	my ($self, $path) = @_;
1432		1916
1433	utf8::encode $path;	1917	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	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;
1439		1926
1440	$self->{load_path} = $path;	1927	$self->{load_path} = $path;
1441		1928
1442	1	1929	1
1443	}	1930	}
…		…
1482	$self->load_header_orig	1969	$self->load_header_orig
1483	or return;	1970	or return;
1484	$self->prepare_orig;	1971	$self->prepare_orig;
1485	}	1972	}
1486		1973
		1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
		1976
1487	$self->default_region (cf::region::find_by_path $self->{path})	1977	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1978	unless $self->default_region;
1489		1979
1490	1	1980	1
1491	}	1981	}
…		…
1494	sub find {	1984	sub find {
1495	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1496		1986
1497	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1498		1988
		1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1500		1991
1501	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1504	or return;	1994	or return;
1505		1995
1506	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1507		1997
1508	$map->load_header	1998	$map->load_header
1509	or return;	1999	or return;
1510		2000
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1514	$map->reset;	2006	$map->reset;
1515	undef $guard;
1516	return find $path;	2007	return find $path;
1517	}	2008	}
1518		2009
1519	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
1520	}	2011	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2020	local $self->{deny_reset} = 1; # loading can take a long time
1530		2021
1531	my $path = $self->{path};	2022	my $path = $self->{path};
1532		2023
1533	{	2024	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2025	my $guard = cf::lock_acquire "map_data:$path";
1535		2026
		2027	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2029
1538	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1539		2031
1540	$self->alloc;	2032	$self->alloc;
1541		2033
1542	$self->pre_load;	2034	$self->pre_load;
1543	Coro::cede;	2035	cf::cede_to_tick;
1544		2036
		2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2039	$self->_load_objects ($f)
1546	or return;	2040	or return;
1547		2041
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1549	if delete $self->{load_original};	2043	if delete $self->{load_original};
1550		2044
1551	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2046	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2049	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1556	}	2053	}
1557	}	2054	}
1558		2055
1559	Coro::cede;	2056	$f->resolve_delayed_derefs;
		2057
		2058	cf::cede_to_tick;
1560	# now do the right thing for maps	2059	# now do the right thing for maps
1561	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2062	unless $self->difficulty;
1564	Coro::cede;	2063	cf::cede_to_tick;
1565		2064
1566	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2066	$self->decay_objects;
1568	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
1569	$self->update_buttons;	2068	$self->update_buttons;
1570	Coro::cede;	2069	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2070	$self->activate;
1574	}	2071	}
1575		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2077	}
1578		2078
1579	$self->post_load;	2079	$self->post_load;
1580	}	2080	}
1581		2081
…		…
1583	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1584		2084
1585	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2086	if $self->per_player;
1587		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1588	$self	2091	$self
1589	}	2092	}
1590		2093
1591	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2095	sub load_neighbours {
1593	my ($map) = @_;	2096	my ($map) = @_;
1594		2097
1595	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1596		2099
1597	for (0 .. 3) {	2100	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1599	or next;	2102	or next;
1600	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1601	or next;	2104	or next;
1602	$neigh->load;	2105	$neigh->load;
1603		2106
		2107	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2110	}
1607		2111
1608	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1610	or next;	2115	or next;
1611	$neigh->load;	2116	$neigh->load;
1612	}	2117	}
1613	}	2118	}
1614		2119
…		…
1619	}	2124	}
1620		2125
1621	sub do_load_sync {	2126	sub do_load_sync {
1622	my ($map) = @_;	2127	my ($map) = @_;
1623		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1624	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1625	}	2133	}
1626		2134
1627	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1629		2137
1630	sub find_async {	2138	sub find_async {
1631	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1632		2140
1633	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1634		2142
1635	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2145	}
1638		2146
1639	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1640	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1641	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2154	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2155	$map->load if $v;
		2156	}
1646		2157
1647	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1648	}	2159	}
1649	}	2160	}
1650	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1651	};	2162	};
1652	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2166	}
1656		2167
1657	sub save {	2168	sub save {
1658	my ($self) = @_;	2169	my ($self) = @_;
1659		2170
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2172
1662	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1663		2174
1664	return unless $self->dirty;	2175	return unless $self->dirty;
1665		2176
…		…
1671	return if $self->{deny_save};	2182	return if $self->{deny_save};
1672		2183
1673	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1674		2185
1675	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1677	};	2189	};
		2190
		2191	cf::get_slot 0.02;
1678		2192
1679	if ($uniq) {	2193	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2196	} else {
…		…
1688	my ($self) = @_;	2202	my ($self) = @_;
1689		2203
1690	# save first because save cedes	2204	# save first because save cedes
1691	$self->save;	2205	$self->save;
1692		2206
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2208
1695	return if $self->players;	2209	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2211	return if $self->{deny_save};
1698		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2217	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2218	}
1702		2219
1703	sub reset_at {	2220	sub reset_at {
1704	my ($self) = @_;	2221	my ($self) = @_;
1705		2222
1706	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1709		2225
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2228
…		…
1723	my ($self) = @_;	2239	my ($self) = @_;
1724		2240
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2242
1727	return if $self->players;	2243	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2244
1730	warn "resetting map ", $self->path;#d#	2245	warn "resetting map ", $self->path, "\n";
1731		2246
1732	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
1733		2248
1734	# need to save uniques path	2249	# need to save uniques path
1735	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2254	if $uniq;
1740	}	2255	}
1741		2256
1742	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1743		2258
		2259	$self->deactivate;
		2260	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2261	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2262
1748	$self->unlink_save;	2263	$self->unlink_save;
1749	$self->destroy;	2264	$self->destroy;
1750	}	2265	}
1751		2266
1752	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1753		2268
1754	sub nuke {	2269	sub nuke {
1755	my ($self) = @_;	2270	my ($self) = @_;
1756		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
1757	delete $cf::MAP{$self->path};	2275	delete $cf::MAP{$self->path};
1758		2276
1759	$self->unlink_save;	2277	$self->unlink_save;
1760		2278
1761	bless $self, "cf::map";	2279	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2280	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2284
1767	$cf::MAP{$self->path} = $self;	2285	$cf::MAP{$self->path} = $self;
		2286	}
1768		2287
1769	$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	]
1770	}	2325	}
1771		2326
1772	=item cf::map::unique_maps	2327	=item cf::map::unique_maps
1773		2328
1774	Returns an arrayref of paths of all shared maps that have	2329	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2330	instantiated unique items. May block.
1776		2331
1777	=cut	2332	=cut
1778		2333
1779	sub unique_maps() {	2334	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2335	[
1781	or return;	2336	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2337	utf8::decode $_;
1787	next if /\.pst$/;	2338	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2340	? ()
1790	push @paths, cf::map::normalise $_;	2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2343	]
1792
1793	\@paths
1794	}	2344	}
1795
1796	package cf;
1797		2345
1798	=back	2346	=back
1799		2347
1800	=head3 cf::object	2348	=head3 cf::object
1801		2349
…		…
1805		2353
1806	=over 4	2354	=over 4
1807		2355
1808	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
1809		2357
1810	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.
1811		2360
1812	=cut	2361	=cut
1813		2362
1814	sub inv_recursive_;	2363	sub inv_recursive_;
1815	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
1818		2367
1819	sub inv_recursive {	2368	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
1821	}	2370	}
1822		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
1823	package cf;	2400	package cf;
1824		2401
1825	=back	2402	=back
1826		2403
1827	=head3 cf::object::player	2404	=head3 cf::object::player
…		…
1833	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>
1834	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
1835	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
1836		2413
1837	=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	};
1838		2429
1839	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2431	# with dialog boxes.
1841	#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
1842	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
…		…
1844		2435
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2436	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2437
1847	if ($self->{record_replies}) {	2438	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2439	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2440
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2451	}
1852	}	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 (@_);
1853	}	2463	}
1854		2464
1855	=item $player_object->may ("access")	2465	=item $player_object->may ("access")
1856		2466
1857	Returns wether the given player is authorized to access resource "access"	2467	Returns wether the given player is authorized to access resource "access"
…		…
1870		2480
1871	=item $player_object->enter_link	2481	=item $player_object->enter_link
1872		2482
1873	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}>).
1874		2484
1875	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.
1876	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.
1877		2489
1878	Will never block.	2490	Will never block.
1879		2491
1880	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
1881		2493
…		…
1936	# use -1 or undef as default coordinates, not 0, 0	2548	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2549	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2550	if $x <=0 && $y <= 0;
1939		2551
1940	$map->load;	2552	$map->load;
1941	$map->load_diag;	2553	$map->load_neighbours;
1942		2554
1943	return unless $self->contr->active;	2555	return unless $self->contr->active;
1944	$self->activate_recursive;
1945		2556
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2558	$self->enter_map ($map, $x, $y);
1948	}
1949		2559
		2560	# only activate afterwards, to support waiting in hooks
		2561	$self->activate_recursive;
		2562	}
		2563
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951		2565
1952	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
1953	her, loading and preparing them map, calling the provided $check callback	2567	her, loading and preparing them map, calling the provided $check callback
1954	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
1955	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 >>.
1956		2574
1957	=cut	2575	=cut
1958		2576
1959	our $GOTOGEN;	2577	our $GOTOGEN;
1960		2578
1961	sub cf::object::player::goto {	2579	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2580	my ($self, $path, $x, $y, $check, $done) = @_;
1963		2581
1964	# 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
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2583	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2584
1967	$self->enter_link;	2585	$self->enter_link;
1968		2586
1969	(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
1970	my $map = eval {	2609	my $map = eval {
1971	my $map = cf::map::find $path;	2610	my $map = defined $path ? cf::map::find $path : undef;
1972		2611
1973	if ($map) {	2612	if ($map) {
1974	$map = $map->customise_for ($self);	2613	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2614	$map = $check->($map) if $check && $map;
1976	} else {	2615	} else {
1977	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2616	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1978	}	2617	}
1979		2618
1980	$map	2619	$map
1981	};	2620	};
1982		2621
…		…
1987		2626
1988	if ($gen == $self->{_goto_generation}) {	2627	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2628	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2629	$self->leave_link ($map, $x, $y);
1991	}	2630	}
		2631
		2632	$done->() if $done;
1992	})->prio (1);	2633	})->prio (1);
1993	}	2634	}
1994		2635
1995	=item $player_object->enter_exit ($exit_object)	2636	=item $player_object->enter_exit ($exit_object)
1996		2637
…		…
2016	}	2657	}
2017		2658
2018	sub prepare_random_map {	2659	sub prepare_random_map {
2019	my ($exit) = @_;	2660	my ($exit) = @_;
2020		2661
2021	my $guard = cf::lock_acquire "exit_prepare:$exit";
2022
2023	# all this does is basically replace the /! path by	2662	# all this does is basically replace the /! path by
2024	# a new random map path (?random/...) with a seed	2663	# a new random map path (?random/...) with a seed
2025	# that depends on the exit object	2664	# that depends on the exit object
2026		2665
2027	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
…		…
2029	if ($exit->map) {	2668	if ($exit->map) {
2030	$rmp->{region} = $exit->region->name;	2669	$rmp->{region} = $exit->region->name;
2031	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
2032	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
2033	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
2034	}	2675	}
2035		2676
2036	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
2037		2678
2038	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2039	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
2040	my $meta = "$RANDOMDIR/$md5.meta";	2681	my $meta = "$RANDOMDIR/$md5.meta";
2041		2682
2042	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2043	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
2044	undef $fh;	2685	undef $fh;
2045	aio_rename "$meta~", $meta;	2686	aio_rename "$meta~", $meta;
2046		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
2047	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
2048	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
2049	}	2694	}
2050	}	2695	}
2051		2696
2052	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
2053	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
2054		2699
2055	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
2056		2701
2057	if ($exit->slaying eq "/!") {
2058	#TODO: this should de-fi-ni-te-ly not be a sync-job
2059	# the problem is that $exit might not survive long enough
2060	# so it needs to be done right now, right here
2061	cf::sync_job { prepare_random_map $exit };
2062	}
2063
2064	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2065	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;
2067
2068	$self->enter_link;	2702	$self->enter_link;
2069		2703
2070	(async {	2704	(async {
2071	$self->deactivate_recursive; # just to be sure	2705	$Coro::current->{desc} = "enter_exit";
		2706
2072	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
2073	$self->goto ($slaying, $hp, $sp);	2722	$self->goto ($map, $x, $y);
2074		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
2075	1;	2728	1
2076	}) {	2729	}) {
2077	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
2078	. "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. "
2079	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
2080	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
2081		2734
2082	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
…		…
2101		2754
2102	utf8::encode $text;	2755	utf8::encode $text;
2103	$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);
2104	}	2757	}
2105		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
2106	=item $client->ext_event ($type, %msg)	2931	=item $client->ext_msg ($type, @msg)
2107		2932
2108	Sends an exti event to the client.	2933	Sends an ext event to the client.
2109		2934
2110	=cut	2935	=cut
2111		2936
2112	sub cf::client::ext_event($$%) {	2937	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	2938	my ($self, $type, @msg) = @_;
2114		2939
		2940	if ($self->extcmd == 2) {
		2941	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2942	} elsif ($self->extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	2943	push @msg, msgtype => "event_$type";
2116	$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	}
2117	}	2964	}
2118		2965
2119	=item $success = $client->query ($flags, "text", \&cb)	2966	=item $success = $client->query ($flags, "text", \&cb)
2120		2967
2121	Queues a query to the client, calling the given callback with	2968	Queues a query to the client, calling the given callback with
2122	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>,
2123	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>.
2124		2971
2125	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
2126	reliable at some point in the future.	2973	become reliable at some point in the future.
2127		2974
2128	=cut	2975	=cut
2129		2976
2130	sub cf::client::query {	2977	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	2978	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	2986	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2987	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		2988
2142	$self->send_packet ($self->{query_queue}[0][0])	2989	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	2990	if @{ $self->{query_queue} } == 1;
		2991
		2992	1
2144	}	2993	}
2145		2994
2146	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	},
2147	on_reply => sub {	3001	on_reply => sub {
2148	my ($ns, $msg) = @_;	3002	my ($ns, $msg) = @_;
2149		3003
2150	# this weird shuffling is so that direct followup queries	3004	# this weird shuffling is so that direct followup queries
2151	# get handled first	3005	# get handled first
…		…
2163	} else {	3017	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	3019	}
2166	}	3020	}
2167	},	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	},
2168	);	3048	);
2169		3049
2170	=item $client->async (\&cb)	3050	=item $client->async (\&cb)
2171		3051
2172	Create a new coroutine, running the specified callback. The coroutine will	3052	Create a new coroutine, running the specified callback. The coroutine will
…		…
2213	our $safe = new Safe "safe";	3093	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	3094	our $safe_hole = new Safe::Hole;
2215		3095
2216	$SIG{FPE} = 'IGNORE';	3096	$SIG{FPE} = 'IGNORE';
2217		3097
2218	$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	));
2219		3103
2220	# here we export the classes and methods available to script code	3104	# here we export the classes and methods available to script code
2221		3105
2222	=pod	3106	=pod
2223		3107
2224	The following functions and methods are available within a safe environment:	3108	The following functions and methods are available within a safe environment:
2225		3109
2226	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
2227	cf::object::player player	3115	cf::object::player
2228	cf::player peaceful	3116	player
2229	cf::map trigger	3117
		3118	cf::player
		3119	peaceful
		3120
		3121	cf::map
		3122	trigger
2230		3123
2231	=cut	3124	=cut
2232		3125
2233	for (	3126	for (
2234	["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)],
2235	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful send_msg)],
2237	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
2238	) {	3133	) {
2239	no strict 'refs';	3134	no strict 'refs';
2240	my ($pkg, @funs) = @$_;	3135	my ($pkg, @funs) = @$_;
2241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3136	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2258	my ($code, %vars) = @_;	3153	my ($code, %vars) = @_;
2259		3154
2260	my $qcode = $code;	3155	my $qcode = $code;
2261	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3156	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2262	$qcode =~ s/\n/\\n/g;	3157	$qcode =~ s/\n/\\n/g;
		3158
		3159	%vars = (_dummy => 0) unless %vars;
2263		3160
2264	local $_;	3161	local $_;
2265	local @safe::cf::_safe_eval_args = values %vars;	3162	local @safe::cf::_safe_eval_args = values %vars;
2266		3163
2267	my $eval =	3164	my $eval =
…		…
2310	=back	3207	=back
2311		3208
2312	=cut	3209	=cut
2313		3210
2314	#############################################################################	3211	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487
2488	#############################################################################
2489	# the server's init and main functions	3212	# the server's init and main functions
2490		3213
2491	sub load_facedata($) {	3214	sub load_facedata($) {
2492	my ($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;
2493		3222
2494	warn "loading facedata from $path\n";	3223	warn "loading facedata from $path\n";
2495		3224
2496	my $facedata;	3225	my $facedata;
2497	0 < aio_load $path, $facedata	3226	0 < aio_load $path, $facedata
…		…
2500	$facedata = Coro::Storable::thaw $facedata;	3229	$facedata = Coro::Storable::thaw $facedata;
2501		3230
2502	$facedata->{version} == 2	3231	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	3232	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		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
2505	{	3241	{
2506	my $faces = $facedata->{faceinfo};	3242	my $faces = $facedata->{faceinfo};
2507		3243
2508	while (my ($face, $info) = each %$faces) {	3244	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3245	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3246
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3247	cf::face::set_visibility $idx, $info->{visibility};
		3248	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3249	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3250	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2513	Coro::cede;	3251
		3252	cf::cede_to_tick;
2514	}	3253	}
2515		3254
2516	while (my ($face, $info) = each %$faces) {	3255	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3256	next unless $info->{smooth};
		3257
2518	my $idx = cf::face::find $face	3258	my $idx = cf::face::find $face
2519	or next;	3259	or next;
		3260
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3261	if (my $smooth = cf::face::find $info->{smooth}) {
		3262	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3263	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3264	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3265	warn "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3266	}
2525	Coro::cede;	3267
		3268	cf::cede_to_tick;
2526	}	3269	}
2527	}	3270	}
2528		3271
2529	{	3272	{
2530	my $anims = $facedata->{animinfo};	3273	my $anims = $facedata->{animinfo};
2531		3274
2532	while (my ($anim, $info) = each %$anims) {	3275	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3276	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	3277	cf::cede_to_tick;
2535	}	3278	}
2536		3279
2537	cf::anim::invalidate_all; # d'oh	3280	cf::anim::invalidate_all; # d'oh
2538	}	3281	}
2539		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
2540	1	3318	1
2541	}	3319	}
2542		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	$status
		3357	}
		3358
2543	sub reload_regions {	3359	sub reload_regions {
		3360	# HACK to clear player env face cache, we need some signal framework
		3361	# for this (global event?)
		3362	%ext::player_env::MUSIC_FACE_CACHE = ();
		3363
2544	load_resource_file "$MAPDIR/regions"	3364	load_resource_file "$MAPDIR/regions"
2545	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 $_->{match};
		3370	}
2546	}	3371	}
2547		3372
2548	sub reload_facedata {	3373	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3374	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	3375	or die "unable to load facedata\n";
…		…
2561	}	3386	}
2562		3387
2563	sub reload_resources {	3388	sub reload_resources {
2564	warn "reloading resource files...\n";	3389	warn "reloading resource files...\n";
2565		3390
2566	reload_regions;
2567	reload_facedata;	3391	reload_facedata;
2568	reload_archetypes;	3392	reload_archetypes;
		3393	reload_regions;
2569	reload_treasures;	3394	reload_treasures;
2570		3395
2571	warn "finished reloading resource files\n";	3396	warn "finished reloading resource files\n";
2572	}	3397	}
2573		3398
2574	sub init {	3399	sub reload_config {
2575	reload_resources;	3400	warn "reloading config file...\n";
2576	}
2577		3401
2578	sub cfg_load {
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
2580	or return;	3403	or return;
2581		3404
2582	local $/;	3405	local $/;
2583	*CFG = YAML::Syck::Load <$fh>;	3406	*CFG = YAML::XS::Load scalar <$fh>;
2584		3407
2585	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2586		3409
2587	$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};
2588	$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};
…		…
2592	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2593	and die "WARNING: m(un)lockall failed: $!\n";	3416	and die "WARNING: m(un)lockall failed: $!\n";
2594	};	3417	};
2595	warn $@ if $@;	3418	warn $@ if $@;
2596	}	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;
2597	}	3450	}
2598		3451
2599	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
2600	# we must not ever block the main coroutine	3467	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3468	local $Coro::idle = sub {
2602	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#
2603	(async {	3470	(async {
2604	Event::one_event;	3471	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3472	EV::loop EV::LOOP_ONESHOT;
2605	})->prio (Coro::PRIO_MAX);	3473	})->prio (Coro::PRIO_MAX);
2606	};	3474	};
2607		3475
2608	cfg_load;	3476	evthread_start IO::AIO::poll_fileno;
		3477
		3478	cf::sync_job {
		3479	reload_resources;
		3480	reload_config;
2609	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
2610	load_extensions;	3494	load_extensions;
2611		3495
2612	$TICK_WATCHER->start;	3496	utime time, time, $RUNTIMEFILE;
2613	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;
2614	}	3506	}
2615		3507
2616	#############################################################################	3508	#############################################################################
2617	# initialisation and cleanup	3509	# initialisation and cleanup
2618		3510
2619	# install some emergency cleanup handlers	3511	# install some emergency cleanup handlers
2620	BEGIN {	3512	BEGIN {
		3513	our %SIGWATCHER = ();
2621	for my $signal (qw(INT HUP TERM)) {	3514	for my $signal (qw(INT HUP TERM)) {
2622	Event->signal (	3515	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2623	reentrant => 0,
2624	data => WF_AUTOCANCEL,
2625	signal => $signal,
2626	prio => 0,
2627	cb => sub {
2628	cf::cleanup "SIG$signal";	3516	cf::cleanup "SIG$signal";
2629	},
2630	);	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
2631	}	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 };
2632	}	3605	}
2633		3606
2634	sub emergency_save() {	3607	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3608	my $freeze_guard = cf::freeze_mainloop;
2636		3609
2637	warn "enter emergency perl save\n";	3610	warn "emergency_perl_save: enter\n";
2638		3611
2639	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
2640	# use a peculiar iteration method to avoid tripping on perl	3618	# use a peculiar iteration method to avoid tripping on perl
2641	# refcount bugs in for. also avoids problems with players	3619	# refcount bugs in for. also avoids problems with players
2642	# and maps saved/destroyed asynchronously.	3620	# and maps saved/destroyed asynchronously.
2643	warn "begin emergency player save\n";	3621	warn "emergency_perl_save: begin player save\n";
2644	for my $login (keys %cf::PLAYER) {	3622	for my $login (keys %cf::PLAYER) {
2645	my $pl = $cf::PLAYER{$login} or next;	3623	my $pl = $cf::PLAYER{$login} or next;
2646	$pl->valid or next;	3624	$pl->valid or next;
		3625	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2647	$pl->save;	3626	$pl->save;
2648	}	3627	}
2649	warn "end emergency player save\n";	3628	warn "emergency_perl_save: end player save\n";
2650		3629
2651	warn "begin emergency map save\n";	3630	warn "emergency_perl_save: begin map save\n";
2652	for my $path (keys %cf::MAP) {	3631	for my $path (keys %cf::MAP) {
2653	my $map = $cf::MAP{$path} or next;	3632	my $map = $cf::MAP{$path} or next;
2654	$map->valid or next;	3633	$map->valid or next;
2655	$map->save;	3634	$map->save;
2656	}	3635	}
2657	warn "end emergency map save\n";	3636	warn "emergency_perl_save: end map save\n";
2658		3637
2659	warn "begin emergency database checkpoint\n";	3638	warn "emergency_perl_save: begin database checkpoint\n";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	3639	BDB::db_env_txn_checkpoint $DB_ENV;
2661	warn "end emergency database checkpoint\n";	3640	warn "emergency_perl_save: end database checkpoint\n";
		3641
		3642	warn "emergency_perl_save: begin write uuid\n";
		3643	write_uuid_sync 1;
		3644	warn "emergency_perl_save: end write uuid\n";
2662	};	3645	};
2663		3646
		3647	warn "emergency_perl_save: starting sync()\n";
		3648	IO::AIO::aio_sync sub {
		3649	warn "emergency_perl_save: finished sync()\n";
		3650	};
		3651
2664	warn "leave emergency perl save\n";	3652	warn "emergency_perl_save: leave\n";
2665	}	3653	}
2666		3654
2667	sub post_cleanup {	3655	sub post_cleanup {
2668	my ($make_core) = @_;	3656	my ($make_core) = @_;
2669		3657
2670	warn Carp::longmess "post_cleanup backtrace"	3658	warn Carp::longmess "post_cleanup backtrace"
2671	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#
2672	}	3689	}
2673		3690
2674	sub do_reload_perl() {	3691	sub do_reload_perl() {
2675	# can/must only be called in main	3692	# can/must only be called in main
2676	if ($Coro::current != $Coro::main) {	3693	if ($Coro::current != $Coro::main) {
2677	warn "can only reload from main coroutine";	3694	warn "can only reload from main coroutine";
2678	return;	3695	return;
2679	}	3696	}
2680		3697
		3698	return if $RELOAD++;
		3699
		3700	my $t1 = EV::time;
		3701
		3702	while ($RELOAD) {
2681	warn "reloading...";	3703	warn "reloading...";
2682		3704
2683	warn "entering sync_job";	3705	warn "entering sync_job";
2684		3706
2685	cf::sync_job {	3707	cf::sync_job {
2686	cf::write_runtime; # external watchdog should not bark	3708	cf::write_runtime_sync; # external watchdog should not bark
2687	cf::emergency_save;	3709	cf::emergency_save;
2688	cf::write_runtime; # external watchdog should not bark	3710	cf::write_runtime_sync; # external watchdog should not bark
2689		3711
2690	warn "syncing database to disk";	3712	warn "syncing database to disk";
2691	BDB::db_env_txn_checkpoint $DB_ENV;	3713	BDB::db_env_txn_checkpoint $DB_ENV;
2692		3714
2693	# 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
2694		3716
2695	warn "cancelling all WF_AUTOCANCEL watchers";
2696	for (Event::all_watchers) {
2697	$_->cancel if $_->data & WF_AUTOCANCEL;
2698	}
2699
2700	warn "flushing outstanding aio requests";	3717	warn "flushing outstanding aio requests";
2701	for (;;) {
2702	BDB::flush;
2703	IO::AIO::flush;
2704	Coro::cede;
2705	last unless IO::AIO::nreqs || BDB::nreqs;	3718	while (IO::AIO::nreqs || BDB::nreqs) {
2706	warn "iterate...";	3719	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2707	}
2708
2709	++$RELOAD;
2710
2711	warn "cancelling all extension coros";
2712	$_->cancel for values %EXT_CORO;
2713	%EXT_CORO = ();
2714
2715	warn "removing commands";
2716	%COMMAND = ();
2717
2718	warn "removing ext commands";
2719	%EXTCMD = ();
2720
2721	warn "unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";
2724
2725	if (my $cb = $pkg->can ("unload")) {
2726	eval {
2727	$cb->($pkg);
2728	1
2729	} or warn "$pkg unloaded, but with errors: $@";
2730	}	3720	}
2731		3721
2732	warn "... nuking $pkg";	3722	warn "cancelling all extension coros";
2733	Symbol::delete_package $pkg;	3723	$_->cancel for values %EXT_CORO;
2734	}	3724	%EXT_CORO = ();
2735		3725
2736	warn "unloading all perl modules loaded from $LIBDIR";	3726	warn "removing commands";
2737	while (my ($k, $v) = each %INC) {	3727	%COMMAND = ();
2738	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2739		3728
		3729	warn "removing ext/exti commands";
		3730	%EXTCMD = ();
		3731	%EXTICMD = ();
		3732
		3733	warn "unloading/nuking all extensions";
		3734	for my $pkg (@EXTS) {
2740	warn "... unloading $k";	3735	warn "... unloading $pkg";
2741	delete $INC{$k};
2742		3736
2743	$k =~ s/\.pm$//;
2744	$k =~ s/\//::/g;
2745
2746	if (my $cb = $k->can ("unload_module")) {	3737	if (my $cb = $pkg->can ("unload")) {
		3738	eval {
2747	$cb->();	3739	$cb->($pkg);
		3740	1
		3741	} or warn "$pkg unloaded, but with errors: $@";
		3742	}
		3743
		3744	warn "... clearing $pkg";
		3745	clear_package $pkg;
2748	}	3746	}
2749		3747
2750	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;
2751	}	3763	}
2752		3764
2753	warn "getting rid of safe::, as good as possible";	3765	warn "getting rid of safe::, as good as possible";
2754	Symbol::delete_package "safe::$_"	3766	clear_package "safe::$_"
2755	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);
2756		3768
2757	warn "unloading cf.pm \"a bit\"";	3769	warn "unloading cf.pm \"a bit\"";
2758	delete $INC{"cf.pm"};	3770	delete $INC{"cf.pm"};
2759	delete $INC{"cf/pod.pm"};	3771	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2760		3772
2761	# don't, removes xs symbols, too,	3773	# don't, removes xs symbols, too,
2762	# and global variables created in xs	3774	# and global variables created in xs
2763	#Symbol::delete_package __PACKAGE__;	3775	#clear_package __PACKAGE__;
2764		3776
2765	warn "unload completed, starting to reload now";	3777	warn "unload completed, starting to reload now";
2766		3778
2767	warn "reloading cf.pm";	3779	warn "reloading cf.pm";
2768	require cf;	3780	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3781	cf::_connect_to_perl_1;
2770		3782
2771	warn "loading config and database again";	3783	warn "loading config and database again";
2772	cf::cfg_load;	3784	cf::reload_config;
2773		3785
2774	warn "loading extensions";	3786	warn "loading extensions";
2775	cf::load_extensions;	3787	cf::load_extensions;
2776		3788
		3789	if ($REATTACH_ON_RELOAD) {
2777	warn "reattaching attachments to objects/players";	3790	warn "reattaching attachments to objects/players";
2778	_global_reattach; # objects, sockets	3791	_global_reattach; # objects, sockets
2779	warn "reattaching attachments to maps";	3792	warn "reattaching attachments to maps";
2780	reattach $_ for values %MAP;	3793	reattach $_ for values %MAP;
2781	warn "reattaching attachments to players";	3794	warn "reattaching attachments to players";
2782	reattach $_ for values %PLAYER;	3795	reattach $_ for values %PLAYER;
		3796	}
2783		3797
		3798	warn "running post_init jobs";
		3799	(pop @POST_INIT)->(1) while @POST_INIT;
		3800
2784	warn "leaving sync_job";	3801	warn "leaving sync_job";
2785		3802
2786	1	3803	1
2787	} or do {	3804	} or do {
2788	warn $@;	3805	warn $@;
2789	warn "error while reloading, exiting.";	3806	cf::cleanup "error while reloading, exiting.";
2790	exit 1;
2791	};	3807	};
2792		3808
2793	warn "reloaded";	3809	warn "reloaded";
		3810	--$RELOAD;
		3811	}
		3812
		3813	$t1 = EV::time - $t1;
		3814	warn "reload completed in ${t1}s\n";
2794	};	3815	};
2795		3816
2796	our $RELOAD_WATCHER; # used only during reload	3817	our $RELOAD_WATCHER; # used only during reload
2797		3818
2798	sub reload_perl() {	3819	sub reload_perl() {
2799	# doing reload synchronously and two reloads happen back-to-back,	3820	# doing reload synchronously and two reloads happen back-to-back,
2800	# coro crashes during coro_state_free->destroy here.	3821	# coro crashes during coro_state_free->destroy here.
2801		3822
2802	$RELOAD_WATCHER ||= Event->timer (	3823	$RELOAD_WATCHER ||= cf::async {
2803	reentrant => 0,	3824	Coro::AIO::aio_wait cache_extensions;
2804	after => 0,	3825
2805	data => WF_AUTOCANCEL,	3826	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2806	cb => sub {
2807	do_reload_perl;	3827	do_reload_perl;
2808	undef $RELOAD_WATCHER;	3828	undef $RELOAD_WATCHER;
2809	},	3829	};
2810	);	3830	};
2811	}	3831	}
2812		3832
2813	register_command "reload" => sub {	3833	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	3834	my ($who, $arg) = @_;
2815		3835
2816	if ($who->flag (FLAG_WIZ)) {	3836	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	3837	$who->message ("reloading server.");
		3838	async {
		3839	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	3840	reload_perl;
		3841	};
2819	}	3842	}
2820	};	3843	};
2821		3844
2822	unshift @INC, $LIBDIR;	3845	unshift @INC, $LIBDIR;
2823		3846
…		…
2825		3848
2826	our @WAIT_FOR_TICK;	3849	our @WAIT_FOR_TICK;
2827	our @WAIT_FOR_TICK_BEGIN;	3850	our @WAIT_FOR_TICK_BEGIN;
2828		3851
2829	sub wait_for_tick {	3852	sub wait_for_tick {
2830	return unless $TICK_WATCHER->is_active;
2831	return if $Coro::current == $Coro::main;	3853	return if tick_inhibit || $Coro::current == $Coro::main;
2832		3854
2833	my $signal = new Coro::Signal;	3855	my $signal = new Coro::Signal;
2834	push @WAIT_FOR_TICK, $signal;	3856	push @WAIT_FOR_TICK, $signal;
2835	$signal->wait;	3857	$signal->wait;
2836	}	3858	}
2837		3859
2838	sub wait_for_tick_begin {	3860	sub wait_for_tick_begin {
2839	return unless $TICK_WATCHER->is_active;
2840	return if $Coro::current == $Coro::main;	3861	return if tick_inhibit || $Coro::current == $Coro::main;
2841		3862
2842	my $signal = new Coro::Signal;	3863	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	3864	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	3865	$signal->wait;
2845	}	3866	}
2846		3867
2847	my $min = 1e6;#d#	3868	sub tick {
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,
2851	parked => 1,
2852	prio => 0,
2853	at => $NEXT_TICK || $TICK,
2854	data => WF_AUTOCANCEL,
2855	cb => sub {
2856	if ($Coro::current != $Coro::main) {	3869	if ($Coro::current != $Coro::main) {
2857	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"
2858	unless ++$bug_warning > 10;	3871	unless ++$bug_warning > 10;
2859	return;	3872	return;
2860	}	3873	}
2861		3874
2862	$NOW = $tick_start = Event::time;
2863
2864	cf::server_tick; # one server iteration	3875	cf::server_tick; # one server iteration
2865		3876
2866	0 && sync_job {#d#	3877	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2867	for(1..10) {	3878	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2868	my $t = Event::time;	3879	Coro::async_pool {
2869	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3880	$Coro::current->{desc} = "runtime saver";
2870	or die;	3881	write_runtime_sync
2871		3882	or warn "ERROR: unable to write runtime file: $!";
2872	$map->width (50);
2873	$map->height (50);
2874	$map->alloc;
2875	$map->_load_objects ("/tmp/x.map", 1);
2876	my $t = Event::time - $t;
2877
2878	#next unless $t < 0.0013;#d#
2879	if ($t < $min) {
2880	$min = $t;
2881	}
2882	$avg = $avg * 0.99 + $t * 0.01;
2883	}
2884	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2885	exit 0;
2886	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2887	};	3883	};
		3884	}
2888		3885
2889	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;
2891
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {
2895	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";
2897	};
2898	}
2899
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3886	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	3887	$sig->send;
2905	}	3888	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	3889	while (my $sig = shift @WAIT_FOR_TICK) {
2907	$sig->send;	3890	$sig->send;
2908	}	3891	}
2909		3892
2910	$NOW = Event::time;	3893	$LOAD = ($NOW - $TICK_START) / $TICK;
2911
2912	# if we are delayed by four ticks or more, skip them all
2913	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2914
2915	$TICK_WATCHER->at ($NEXT_TICK);
2916	$TICK_WATCHER->start;
2917
2918	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3894	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		3895
2921	_post_tick;	3896	if (0) {
2922		3897	if ($NEXT_TICK) {
2923		3898	my $jitter = $TICK_START - $NEXT_TICK;
		3899	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3900	warn "jitter $JITTER\n";#d#
		3901	}
2924	},	3902	}
2925	);	3903	}
2926		3904
2927	{	3905	{
2928	BDB::max_poll_time $TICK * 0.1;	3906	# configure BDB
2929	$BDB_POLL_WATCHER = Event->io (	3907
2930	reentrant => 0,
2931	fd => BDB::poll_fileno,
2932	poll => 'r',
2933	prio => 0,
2934	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,
2936	);
2937	BDB::min_parallel 8;	3908	BDB::min_parallel 8;
2938		3909	BDB::max_poll_reqs $TICK * 0.1;
2939	BDB::set_sync_prepare {	3910	$AnyEvent::BDB::WATCHER->priority (1);
2940	my $status;
2941	my $current = $Coro::current;
2942	(
2943	sub {
2944	$status = $!;
2945	$current->ready; undef $current;
2946	},
2947	sub {
2948	Coro::schedule while defined $current;
2949	$! = $status;
2950	},
2951	)
2952	};
2953		3911
2954	unless ($DB_ENV) {	3912	unless ($DB_ENV) {
2955	$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);
2956		3919
2957	cf::sync_job {	3920	cf::sync_job {
2958	eval {	3921	eval {
2959	BDB::db_env_open	3922	BDB::db_env_open
2960	$DB_ENV,	3923	$DB_ENV,
…		…
2962	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
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3926	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	3927	0666;
2965		3928
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3929	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2967
2968	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2969	$DB_ENV->set_lk_detect;
2970	};	3930	};
2971		3931
2972	cf::cleanup "db_env_open(db): $@" if $@;	3932	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	3933	};
2974	}	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	};
2975	}	3945	}
2976		3946
2977	{	3947	{
		3948	# configure IO::AIO
		3949
2978	IO::AIO::min_parallel 8;	3950	IO::AIO::min_parallel 8;
2979
2980	undef $Coro::AIO::WATCHER;
2981	IO::AIO::max_poll_time $TICK * 0.1;	3951	IO::AIO::max_poll_time $TICK * 0.1;
2982	$AIO_POLL_WATCHER = Event->io (	3952	undef $AnyEvent::AIO::WATCHER;
2983	reentrant => 0,
2984	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,
2986	poll => 'r',
2987	prio => 6,
2988	cb => \&IO::AIO::poll_cb,
2989	);
2990	}	3953	}
2991		3954
2992	my $_log_backtrace;	3955	my $_log_backtrace;
2993		3956
2994	sub _log_backtrace {	3957	sub _log_backtrace {
…		…
2997	$msg =~ s/\n//;	3960	$msg =~ s/\n//;
2998		3961
2999	# limit the # of concurrent backtraces	3962	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	3963	if ($_log_backtrace < 2) {
3001	++$_log_backtrace;	3964	++$_log_backtrace;
		3965	my $perl_bt = Carp::longmess $msg;
3002	async {	3966	async {
		3967	$Coro::current->{desc} = "abt $msg";
		3968
3003	my @bt = fork_call {	3969	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	3970	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3971	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	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 |"
3007	or die "addr2line: $!";	3973	or die "addr2line: $!";
…		…
3015	}	3981	}
3016		3982
3017	@funcs	3983	@funcs
3018	};	3984	};
3019		3985
3020	LOG llevInfo, "[ABT] $msg\n";	3986	LOG llevInfo, "[ABT] $perl_bt\n";
		3987	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3021	LOG llevInfo, "[ABT] $_\n" for @bt;	3988	LOG llevInfo, "[ABT] $_\n" for @bt;
3022	--$_log_backtrace;	3989	--$_log_backtrace;
3023	};	3990	};
3024	} else {	3991	} else {
3025	LOG llevInfo, "[ABT] $msg\n";	3992	LOG llevInfo, "[ABT] $msg\n";
3026	LOG llevInfo, "[ABT] [suppressed]\n";	3993	LOG llevInfo, "[ABT] [suppressed]\n";
3027	}	3994	}
3028	}	3995	}
3029		3996
3030	# load additional modules	3997	# load additional modules
3031	use cf::pod;	3998	require "cf/$_.pm" for @EXTRA_MODULES;
		3999	cf::_connect_to_perl_2;
3032		4000
3033	END { cf::emergency_save }	4001	END { cf::emergency_save }
3034		4002
3035	1	4003	1
3036		4004

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