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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.493 by root, Mon Oct 26 02:34:37 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 ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;	58	use Digest::MD5;
28	use Fcntl;	59	use Fcntl;
29	use YAML::Syck ();	60	use YAML::XS ();
30	use IO::AIO 2.32 ();	61	use IO::AIO ();
31	use Time::HiRes;	62	use Time::HiRes;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	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	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$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		81
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		83
49	our %COMMAND = ();	84	our %COMMAND = ();
50	our %COMMAND_TIME = ();	85	our %COMMAND_TIME = ();
51		86
52	our @EXTS = (); # list of extension package names	87	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	88	our %EXTCMD = ();
		89	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	90	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	91	our %EXT_MAP = (); # pluggable maps
56		92
57	our $RELOAD; # number of reloads so far	93	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	94	our @EVENT;
		95	our @REFLECT; # set by XS
		96	our %REFLECT; # set by us
59		97
60	our $CONFDIR = confdir;	98	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	103	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	104	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	105	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	106	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	107	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	108	our $BDBDIR = "$LOCALDIR/db";
		109	our $PIDFILE = "$LOCALDIR/pid";
		110	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		111
		112	our %RESOURCE;
71		113
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	114	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	115	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	116	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	117	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		118
		119	our $BDB_DEADLOCK_WATCHER;
		120	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	121	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	122	our $DB_ENV;
		123
		124	our @EXTRA_MODULES = qw(pod match mapscript);
82		125
83	our %CFG;	126	our %CFG;
84		127
85	our $UPTIME; $UPTIME ||= time;	128	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	129	our $RUNTIME;
		130	our $NOW;
87		131
88	our %PLAYER; # all users	132	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	133	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	134	our $LINK_MAP; # the special {link} map, which is always available
91		135
92	# used to convert map paths into valid unix filenames by replacing / by ∕	136	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	137	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		138
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	139	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	140	our $LOADAVG; # same thing, but with alpha-smoothing
		141	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	142	our $TICK_START; # for load detecting purposes
		143
		144	our @POST_INIT;
		145
		146	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		147	our $REALLY_UNLOOP; # never set to true, please :)
98		148
99	binmode STDOUT;	149	binmode STDOUT;
100	binmode STDERR;	150	binmode STDERR;
101		151
102	# read virtual server time, if available	152	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	153	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	154	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	155	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	156	$RUNTIME = <$fh> + 0.;
107	}	157	}
		158
		159	eval "sub TICK() { $TICK } 1" or die;
108		160
109	mkdir $_	161	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	162	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		163
112	our $EMERGENCY_POSITION;	164	our $EMERGENCY_POSITION;
113		165
114	sub cf::map::normalise;	166	sub cf::map::normalise;
		167
		168	#############################################################################
		169
		170	%REFLECT = ();
		171	for (@REFLECT) {
		172	my $reflect = JSON::XS::decode_json $_;
		173	$REFLECT{$reflect->{class}} = $reflect;
		174	}
		175
		176	# this is decidedly evil
		177	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		178
116	#############################################################################	179	#############################################################################
117		180
118	=head2 GLOBAL VARIABLES	181	=head2 GLOBAL VARIABLES
119		182
…		…
155		218
156	The raw value load value from the last tick.	219	The raw value load value from the last tick.
157		220
158	=item %cf::CFG	221	=item %cf::CFG
159		222
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	223	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	224	from wherever your confdir points to.
162		225
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	226	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		227
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	228	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	229	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.	230	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		231
		232	=item @cf::INVOKE_RESULTS
		233
		234	This array contains the results of the last C<invoke ()> call. When
		235	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		236	that call.
		237
		238	=item %cf::REFLECT
		239
		240	Contains, for each (C++) class name, a hash reference with information
		241	about object members (methods, scalars, arrays and flags) and other
		242	metadata, which is useful for introspection.
		243
169	=back	244	=back
170		245
171	=cut	246	=cut
172		247
173	BEGIN {	248	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	249	my $msg = join "", @_;
176		250
177	$msg .= "\n"	251	$msg .= "\n"
178	unless $msg =~ /\n$/;	252	unless $msg =~ /\n$/;
179		253
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	254	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		255
182	utf8::encode $msg;
183	LOG llevError, $msg;	256	LOG llevError, $msg;
184	};	257	};
185	}	258
		259	$Coro::State::DIEHOOK = sub {
		260	return unless $^S eq 0; # "eq", not "=="
		261
		262	warn Carp::longmess $_[0];
		263
		264	if ($Coro::current == $Coro::main) {#d#
		265	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		266	return;#d#
		267	}#d#
		268
		269	# kill coroutine otherwise
		270	Coro::terminate
		271	};
186		272
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	273	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	274	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	275	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	276	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	283	for my $pkg (qw(
198	cf::global cf::attachable	284	cf::global cf::attachable
199	cf::object cf::object::player	285	cf::object cf::object::player
200	cf::client cf::player	286	cf::client cf::player
201	cf::arch cf::living	287	cf::arch cf::living
		288	cf::map cf::mapspace
202	cf::map cf::party cf::region	289	cf::party cf::region
203	)) {	290	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	291	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	292	}
207		293
208	$Event::DIED = sub {	294	$EV::DIED = sub {
209	warn "error in event callback: @_";	295	Carp::cluck "error in event callback: @_";
210	};	296	};
		297
		298	#############################################################################
211		299
212	=head2 UTILITY FUNCTIONS	300	=head2 UTILITY FUNCTIONS
213		301
214	=over 4	302	=over 4
215		303
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	322	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	323	$d
236	} || "[unable to dump $_[0]: '$@']";	324	} || "[unable to dump $_[0]: '$@']";
237	}	325	}
238		326
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	327	=item $ref = cf::decode_json $json
242		328
243	Converts a JSON string into the corresponding perl data structure.	329	Converts a JSON string into the corresponding perl data structure.
244		330
245	=item $json = cf::to_json $ref	331	=item $json = cf::encode_json $ref
246		332
247	Converts a perl data structure into its JSON representation.	333	Converts a perl data structure into its JSON representation.
248		334
		335	=cut
		336
		337	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		338
		339	sub encode_json($) { $json_coder->encode ($_[0]) }
		340	sub decode_json($) { $json_coder->decode ($_[0]) }
		341
		342	=item cf::post_init { BLOCK }
		343
		344	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		345	but I<before> the server starts ticking again.
		346
		347	The cdoeblock will have a single boolean argument to indicate whether this
		348	is a reload or not.
		349
		350	=cut
		351
		352	sub post_init(&) {
		353	push @POST_INIT, shift;
		354	}
		355
249	=item cf::lock_wait $string	356	=item cf::lock_wait $string
250		357
251	Wait until the given lock is available. See cf::lock_acquire.	358	Wait until the given lock is available. See cf::lock_acquire.
252		359
253	=item my $lock = cf::lock_acquire $string	360	=item my $lock = cf::lock_acquire $string
254		361
255	Wait until the given lock is available and then acquires it and returns	362	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	363	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	364	for example when the coroutine gets canceled), the lock is automatically
258	returned.	365	returned.
259		366
		367	Locks are *not* recursive, locking from the same coro twice results in a
		368	deadlocked coro.
		369
260	Lock names should begin with a unique identifier (for example, cf::map::find	370	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	371	uses map_find and cf::map::load uses map_load).
262		372
263	=item $locked = cf::lock_active $string	373	=item $locked = cf::lock_active $string
264		374
265	Return true if the lock is currently active, i.e. somebody has locked it.	375	Return true if the lock is currently active, i.e. somebody has locked it.
266		376
267	=cut	377	=cut
268		378
269	our %LOCK;	379	our $LOCKS = new Coro::SemaphoreSet;
270		380
271	sub lock_wait($) {	381	sub lock_wait($) {
272	my ($key) = @_;	382	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	383	}
280		384
281	sub lock_acquire($) {	385	sub lock_acquire($) {
282	my ($key) = @_;	386	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	387	}
294		388
295	sub lock_active($) {	389	sub lock_active($) {
296	my ($key) = @_;	390	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	391	}
300		392
301	sub freeze_mainloop {	393	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
303		395
304	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	397	}
		398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
306	};	457	}
307	$TICK_WATCHER->stop;	458	};
308	$guard	459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
309	}	472	}
310		473
311	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
312		475
313	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		481
319	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
320		483
321	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
322		485
323	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
326		490
327	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
330	fast or be very important.	494	fast or be very important.
…		…
333		497
334	sub sync_job(&) {	498	sub sync_job(&) {
335	my ($job) = @_;	499	my ($job) = @_;
336		500
337	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	502	my $time = EV::time;
339		503
340	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
342		506
343	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	508
345	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
346		510
347	my $busy = 1;	511	my $busy = 1;
348	my @res;	512	my @res;
349		513
350	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	516	@res = eval { $job->() };
352	warn $@ if $@;	517	warn $@ if $@;
353	undef $busy;	518	undef $busy;
354	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
355		520
356	while ($busy) {	521	while ($busy) {
357	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
358	}	526	}
		527	}
359		528
360	$time = Event::time - $time;	529	my $time = EV::time - $time;
361		530
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	531	$TICK_START += $time; # do not account sync jobs to server load
366		532
367	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
368	} else {	534	} else {
369	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
370		536
…		…
390	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
391		557
392	$coro	558	$coro
393	}	559	}
394		560
395	sub write_runtime {	561	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		562
398	# first touch the runtime file to show we are still running:	563	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
400		567
401	IO::AIO::aio_utime $runtime, undef, undef;	568	=cut
402		569
403	my $guard = cf::lock_acquire "write_runtime";	570	sub fork_call(&@) {
		571	my ($cb, @args) = @_;
404		572
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	573	# we seemingly have to make a local copy of the whole thing,
406	or return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
407		576
408	my $value = $cf::RUNTIME + 90 + 10;	577	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	578	reset_signals;
410	# 60 allows for the watchdog to kill the server.	579	&$cb
		580	}, @args;
411		581
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	582	wantarray ? @res : $res[-1]
413	and return;	583	}
414		584
415	# always fsync - this file is important	585	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		586
419	# touch it again to show we are up-to-date	587	=cut
420	aio_utime $fh, undef, undef;
421		588
422	close $fh	589	our %coin_alias = (
423	or return;	590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
424		605
425	aio_rename "$runtime~", $runtime	606	sub coin_from_name($) {
426	and return;	607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
427		611
428	warn "runtime file written.\n";#d#	612	=item $value = cf::db_get $family => $key
429		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
		644
		645	our $DB;
		646
		647	sub db_init {
		648	cf::sync_job {
		649	$DB ||= db_table "db";
		650	};
		651	}
		652
		653	sub db_get($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
430	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
431	}	737	}
432		738
433	=item cf::datalog type => key => value, ...	739	=item cf::datalog type => key => value, ...
434		740
435	Log a datalog packet of the given type with the given key-value pairs.	741	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		753
448	#############################################################################	754	#############################################################################
449		755
450	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
451		757
452	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
455		761
456	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	764	Deliantra).
459		765
460	=over 4	766	=over 4
461		767
462	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
463		769
…		…
507	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
508		814
509	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
511		817
512	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
514		820
515	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
516		822
517	=over 4	823	=over 4
…		…
665	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
666	}	972	}
667		973
668	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
669	} else {	975	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	977	}
672		978
673	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
674	}	980	}
675		981
…		…
715	";	1021	";
716	die if $@;	1022	die if $@;
717	}	1023	}
718		1024
719	our $override;	1025	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1027
722	sub override {	1028	sub override {
723	$override = 1;	1029	$override = 1;
724	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
725	}	1031	}
726		1032
727	sub do_invoke {	1033	sub do_invoke {
728	my $event = shift;	1034	my $event = shift;
729	my $callbacks = shift;	1035	my $callbacks = shift;
730		1036
731	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
732		1038
733	local $override;	1039	local $override;
734		1040
735	for (@$callbacks) {	1041	for (@$callbacks) {
736	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
745	}	1051	}
746		1052
747	0	1053	0
748	}	1054	}
749		1055
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1057
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1059
754	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
755		1061
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1065
760	=back	1066	=back
761		1067
762	=cut	1068	=cut
763		1069
764	#############################################################################	1070	#############################################################################
765	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
766		1114
767	sub reattach {	1115	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1117	my ($obj) = @_;
770		1118
		1119	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1121
773	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
774		1123
775	@$registry = ();	1124	@$registry = ();
776		1125
…		…
791	cf::attachable->attach (	1140	cf::attachable->attach (
792	prio => -1000000,	1141	prio => -1000000,
793	on_instantiate => sub {	1142	on_instantiate => sub {
794	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
795		1144
796	$data = from_json $data;	1145	$data = decode_json $data;
797		1146
798	for (@$data) {	1147	for (@$data) {
799	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
800		1149
801	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1166	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
819		1168
820	sync_job {	1169	sync_job {
821	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
824		1174
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1178	if ($cf::USE_FSYNC) {
		1179	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;
		1180	aio_fsync $fh;
		1181	}
829	close $fh;	1182	aio_close $fh;
830		1183
831	if (@$objs) {	1184	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1185	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1186	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1187	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1188	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1189	if ($cf::USE_FSYNC) {
		1190	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;
		1191	aio_fsync $fh;
		1192	}
837	close $fh;	1193	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1194	aio_rename "$filename.pst~", "$filename.pst";
839	}	1195	}
840	} else {	1196	} else {
841	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
842	}	1198	}
843		1199
844	aio_rename "$filename~", $filename;	1200	aio_rename "$filename~", $filename;
		1201
		1202	$filename =~ s%/[^/]+$%%;
		1203	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1204	} else {
846	warn "FATAL: $filename~: $!\n";	1205	warn "unable to save objects: $filename~: $!\n";
847	}	1206	}
848	} else {	1207	} else {
849	aio_unlink $filename;	1208	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1209	aio_unlink "$filename.pst";
851	}	1210	}
852	}	1211	};
853	}	1212	}
854		1213
855	sub object_freezer_as_string {	1214	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1215	my ($rdata, $objs) = @_;
857		1216
…		…
869	or return;	1228	or return;
870		1229
871	unless (aio_stat "$filename.pst") {	1230	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1231	(aio_load "$filename.pst", $av) >= 0
873	or return;	1232	or return;
		1233
874	$av = eval { (Storable::thaw $av)->{objs} };	1234	my $st = eval { Coro::Storable::thaw $av };
		1235	$av = $st->{objs};
875	}	1236	}
876		1237
		1238	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1239	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1240	$decname, length $data, scalar @{$av || []};
		1241
879	return ($data, $av);	1242	($data, $av)
880	}	1243	}
		1244
		1245	=head2 COMMAND CALLBACKS
		1246
		1247	=over 4
		1248
		1249	=cut
881		1250
882	#############################################################################	1251	#############################################################################
883	# command handling &c	1252	# command handling &c
884		1253
885	=item cf::register_command $name => \&callback($ob,$args);	1254	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1267	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1268	}
900		1269
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1270	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1271
903	Register a callbackf ro execution when the client sends an extcmd packet.	1272	Register a callback for execution when the client sends an (synchronous)
		1273	extcmd packet. Ext commands will be processed in the order they are
		1274	received by the server, like other user commands. The first argument is
		1275	the logged-in player. Ext commands can only be processed after a player
		1276	has logged in successfully.
904		1277
905	If the callback returns something, it is sent back as if reply was being	1278	If the callback returns something, it is sent back as if reply was being
906	called.	1279	called.
907		1280
		1281	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1282
		1283	Register a callback for execution when the client sends an (asynchronous)
		1284	exticmd packet. Exti commands are processed by the server as soon as they
		1285	are received, i.e. out of order w.r.t. other commands. The first argument
		1286	is a client socket. Exti commands can be received anytime, even before
		1287	log-in.
		1288
		1289	If the callback returns something, it is sent back as if reply was being
		1290	called.
		1291
908	=cut	1292	=cut
909		1293
910	sub register_extcmd {	1294	sub register_extcmd {
911	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
912		1296
913	$EXTCMD{$name} = $cb;	1297	$EXTCMD{$name} = $cb;
914	}	1298	}
		1299
		1300	sub register_exticmd {
		1301	my ($name, $cb) = @_;
		1302
		1303	$EXTICMD{$name} = $cb;
		1304	}
		1305
		1306	use File::Glob ();
915		1307
916	cf::player->attach (	1308	cf::player->attach (
917	on_command => sub {	1309	on_command => sub {
918	my ($pl, $name, $params) = @_;	1310	my ($pl, $name, $params) = @_;
919		1311
…		…
927	cf::override;	1319	cf::override;
928	},	1320	},
929	on_extcmd => sub {	1321	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1322	my ($pl, $buf) = @_;
931		1323
932	my $msg = eval { from_json $buf };	1324	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1325
934	if (ref $msg) {	1326	if (ref $msg) {
		1327	my ($type, $reply, @payload) =
		1328	"ARRAY" eq ref $msg
		1329	? @$msg
		1330	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1331
		1332	my @reply;
		1333
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1334	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1335	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1336	}
		1337
		1338	$pl->ext_reply ($reply, @reply)
		1339	if $reply;
		1340
940	} else {	1341	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1342	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1343	}
943		1344
944	cf::override;	1345	cf::override;
945	},	1346	},
946	);	1347	);
947		1348
		1349	# "readahead" all extensions
948	sub load_extension {	1350	sub cache_extensions {
949	my ($path) = @_;	1351	my $grp = IO::AIO::aio_group;
950		1352
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1353	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1354	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1355	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1356	}
976	die $@;
977	}	1357	};
978		1358
979	push @EXTS, $pkg;	1359	$grp
980	}	1360	}
981		1361
982	sub load_extensions {	1362	sub load_extensions {
		1363	cf::sync_job {
		1364	my %todo;
		1365
983	for my $ext (<$LIBDIR/*.ext>) {	1366	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1367	next unless -r $path;
985	eval {	1368
986	load_extension $ext;	1369	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1370	my $base = $1;
		1371	my $pkg = $1;
		1372	$pkg =~ s/[^[:word:]]/_/g;
		1373	$pkg = "ext::$pkg";
		1374
		1375	open my $fh, "<:utf8", $path
		1376	or die "$path: $!";
		1377
		1378	my $source = do { local $/; <$fh> };
		1379
		1380	my %ext = (
		1381	path => $path,
		1382	base => $base,
		1383	pkg => $pkg,
		1384	);
		1385
		1386	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1387	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1388
		1389	$ext{source} =
		1390	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1391	. "#line 1 \"$path\"\n{\n"
		1392	. $source
		1393	. "\n};\n1";
		1394
		1395	$todo{$base} = \%ext;
		1396	}
		1397
		1398	my %done;
		1399	while (%todo) {
		1400	my $progress;
		1401
		1402	while (my ($k, $v) = each %todo) {
		1403	for (split /,\s*/, $v->{meta}{depends}) {
		1404	goto skip
		1405	unless exists $done{$_};
		1406	}
		1407
		1408	warn "... loading '$k' into '$v->{pkg}'\n";
		1409
		1410	unless (eval $v->{source}) {
		1411	my $msg = $@ ? "$v->{path}: $@\n"
		1412	: "$v->{base}: extension inactive.\n";
		1413
		1414	if (exists $v->{meta}{mandatory}) {
		1415	warn $msg;
		1416	cf::cleanup "mandatory extension failed to load, exiting.";
		1417	}
		1418
		1419	warn $msg;
		1420	}
		1421
		1422	$done{$k} = delete $todo{$k};
		1423	push @EXTS, $v->{pkg};
		1424	$progress = 1;
987	1	1425	}
988	} or warn "$ext not loaded: $@";	1426
		1427	skip:
		1428	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1429	unless $progress;
		1430	}
989	}	1431	};
990	}	1432	}
991		1433
992	#############################################################################	1434	#############################################################################
993		1435
		1436	=back
		1437
994	=head2 CORE EXTENSIONS	1438	=head2 CORE EXTENSIONS
995		1439
996	Functions and methods that extend core crossfire objects.	1440	Functions and methods that extend core deliantra objects.
997		1441
998	=cut	1442	=cut
999		1443
1000	package cf::player;	1444	package cf::player;
1001		1445
1002	use Coro::AIO;	1446	use Coro::AIO;
1003		1447
1004	=head3 cf::player	1448	=head3 cf::player
1005		1449
1006	=over 4	1450	=over 4
		1451
		1452	=item cf::player::num_playing
		1453
		1454	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1455
		1456	=cut
		1457
		1458	sub num_playing {
		1459	scalar grep
		1460	$_->ob->map
		1461	&& !$_->hidden
		1462	&& !$_->ob->flag (cf::FLAG_WIZ),
		1463	cf::player::list
		1464	}
1007		1465
1008	=item cf::player::find $login	1466	=item cf::player::find $login
1009		1467
1010	Returns the given player object, loading it if necessary (might block).	1468	Returns the given player object, loading it if necessary (might block).
1011		1469
…		…
1030		1488
1031	sub exists($) {	1489	sub exists($) {
1032	my ($login) = @_;	1490	my ($login) = @_;
1033		1491
1034	$cf::PLAYER{$login}	1492	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1493	or !aio_stat path $login
1036	}	1494	}
1037		1495
1038	sub find($) {	1496	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1497	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1498	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1505	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1506	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1507	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1508	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1509
1052	my $pl = load_pl path $login	1510	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1511	or return;
		1512
		1513	my $pl = cf::player::load_pl $f
		1514	or return;
		1515
		1516	local $cf::PLAYER_LOADING{$login} = $pl;
		1517	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1518	$cf::PLAYER{$login} = $pl
1055	}	1519	}
1056	}	1520	}
1057	}	1521	}
1058		1522
…		…
1067	return if $pl->{deny_save};	1531	return if $pl->{deny_save};
1068		1532
1069	aio_mkdir playerdir $pl, 0770;	1533	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1534	$pl->{last_save} = $cf::RUNTIME;
1071		1535
		1536	cf::get_slot 0.01;
		1537
1072	$pl->save_pl ($path);	1538	$pl->save_pl ($path);
1073	Coro::cede;	1539	cf::cede_to_tick;
1074	}	1540	}
1075		1541
1076	sub new($) {	1542	sub new($) {
1077	my ($login) = @_;	1543	my ($login) = @_;
1078		1544
…		…
1084	$cf::PLAYER{$login} = $self;	1550	$cf::PLAYER{$login} = $self;
1085		1551
1086	$self	1552	$self
1087	}	1553	}
1088		1554
		1555	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1556
		1557	=cut
		1558
		1559	sub send_msg {
		1560	my $ns = shift->ns
		1561	or return;
		1562	$ns->send_msg (@_);
		1563	}
		1564
1089	=item $pl->quit_character	1565	=item $pl->quit_character
1090		1566
1091	Nukes the player without looking back. If logged in, the connection will	1567	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1568	be destroyed. May block for a long time.
1093		1569
…		…
1097	my ($pl) = @_;	1573	my ($pl) = @_;
1098		1574
1099	my $name = $pl->ob->name;	1575	my $name = $pl->ob->name;
1100		1576
1101	$pl->{deny_save} = 1;	1577	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1578	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1579
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1580	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1581	$pl->deactivate;
		1582	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1583	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1584	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1585	$pl->ns->destroy if $pl->ns;
1108		1586
1109	my $path = playerdir $pl;	1587	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1588	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1624	or return [];
1147		1625
1148	my @logins;	1626	my @logins;
1149		1627
1150	for my $login (@$dirs) {	1628	for my $login (@$dirs) {
		1629	my $path = path $login;
		1630
		1631	# a .pst is a dead give-away for a valid player
		1632	# if no pst file found, open and chekc for blocked users
		1633	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1634	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1635	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1636	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1637	}
1154		1638
1155	utf8::decode $login;	1639	utf8::decode $login;
1156	push @logins, $login;	1640	push @logins, $login;
1157	}	1641	}
1158		1642
…		…
1185	}	1669	}
1186		1670
1187	\@paths	1671	\@paths
1188	}	1672	}
1189		1673
		1674	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1675
		1676	Expand deliantra pod fragments into protocol xml.
		1677
1190	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1191		1679
1192	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1193		1681
1194	=cut	1682	=cut
1195		1683
1196	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1198		1686
1199	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1688	}
1203		1689
1204	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1205		1691
1206	Sends an ext event to the client.	1692	Sends an ext event to the client.
1207		1693
1208	=cut	1694	=cut
1209		1695
1210	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1212		1698
1213	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1214	}	1700	}
1215		1701
1216	=head3 cf::region	1702	=head3 cf::region
1217		1703
1218	=over 4	1704	=over 4
…		…
1221		1707
1222	package cf::region;	1708	package cf::region;
1223		1709
1224	=item cf::region::find_by_path $path	1710	=item cf::region::find_by_path $path
1225		1711
1226	Tries to decuce the probable region for a map knowing only its path.	1712	Tries to decuce the likely region for a map knowing only its path.
1227		1713
1228	=cut	1714	=cut
1229		1715
1230	sub find_by_path($) {	1716	sub find_by_path($) {
1231	my ($path) = @_;	1717	my ($path) = @_;
1232		1718
1233	my ($match, $specificity);	1719	my ($match, $specificity);
1234		1720
1235	for my $region (list) {	1721	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1239	}	1725	}
1240	}	1726	}
1241		1727
…		…
1262	our $MAX_RESET = 3600;	1748	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1749	our $DEFAULT_RESET = 3000;
1264		1750
1265	sub generate_random_map {	1751	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1752	my ($self, $rmp) = @_;
		1753
		1754	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1755
1267	# mit "rum" bekleckern, nicht	1756	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1757	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1758	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1759	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1760	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1305	my ($self, $merge) = @_;	1794	my ($self, $merge) = @_;
1306		1795
1307	# we have to keep some variables in memory intact	1796	# we have to keep some variables in memory intact
1308	local $self->{path};	1797	local $self->{path};
1309	local $self->{load_path};	1798	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1799
1313	$self->SUPER::thawer_merge ($merge);	1800	$self->SUPER::thawer_merge ($merge);
1314	}	1801	}
1315		1802
1316	sub normalise {	1803	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1850	$self->init; # pass $1 etc.
1364	return $self;	1851	return $self;
1365	}	1852	}
1366	}	1853	}
1367		1854
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1855	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1856	()
1370	}	1857	}
1371		1858
1372	sub init {	1859	sub init {
1373	my ($self) = @_;	1860	my ($self) = @_;
…		…
1395		1882
1396	# the temporary/swap location	1883	# the temporary/swap location
1397	sub save_path {	1884	sub save_path {
1398	my ($self) = @_;	1885	my ($self) = @_;
1399		1886
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1887	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1888	"$TMPDIR/$path.map"
1402	}	1889	}
1403		1890
1404	# the unique path, undef == no special unique path	1891	# the unique path, undef == no special unique path
1405	sub uniq_path {	1892	sub uniq_path {
1406	my ($self) = @_;	1893	my ($self) = @_;
1407		1894
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1895	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1896	"$UNIQUEDIR/$path"
1410	}	1897	}
1411		1898
1412	# and all this just because we cannot iterate over	1899	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	1900	my ($self) = @_;
1416		1901
1417	$_->change_map_light ($change)	1902	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	1903
		1904	$self->do_decay_objects;
1419	}	1905	}
1420		1906
1421	sub unlink_save {	1907	sub unlink_save {
1422	my ($self) = @_;	1908	my ($self) = @_;
1423		1909
…		…
1428		1914
1429	sub load_header_from($) {	1915	sub load_header_from($) {
1430	my ($self, $path) = @_;	1916	my ($self, $path) = @_;
1431		1917
1432	utf8::encode $path;	1918	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1919	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1920	or return;
		1921
		1922	$self->_load_header ($f)
		1923	or return;
		1924
		1925	local $MAP_LOADING{$self->{path}} = $self;
		1926	$f->resolve_delayed_derefs;
1438		1927
1439	$self->{load_path} = $path;	1928	$self->{load_path} = $path;
1440		1929
1441	1	1930	1
1442	}	1931	}
…		…
1481	$self->load_header_orig	1970	$self->load_header_orig
1482	or return;	1971	or return;
1483	$self->prepare_orig;	1972	$self->prepare_orig;
1484	}	1973	}
1485		1974
		1975	$self->{deny_reset} = 1
		1976	if $self->no_reset;
		1977
1486	$self->default_region (cf::region::find_by_path $self->{path})	1978	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1979	unless $self->default_region;
1488		1980
1489	1	1981	1
1490	}	1982	}
…		…
1493	sub find {	1985	sub find {
1494	my ($path, $origin) = @_;	1986	my ($path, $origin) = @_;
1495		1987
1496	$path = normalise $path, $origin && $origin->path;	1988	$path = normalise $path, $origin && $origin->path;
1497		1989
		1990	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1991	my $guard2 = cf::lock_acquire "map_find:$path";
1499		1992
1500	$cf::MAP{$path} || do {	1993	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	1994	my $map = new_from_path cf::map $path
1503	or return;	1995	or return;
1504		1996
1505	$map->{last_save} = $cf::RUNTIME;	1997	$map->{last_save} = $cf::RUNTIME;
1506		1998
1507	$map->load_header	1999	$map->load_header
1508	or return;	2000	or return;
1509		2001
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2002	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2003	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2004	#$cf::WAIT_FOR_TICK->wait;
		2005	undef $guard2;
		2006	undef $guard1;
1513	$map->reset;	2007	$map->reset;
1514	undef $guard;
1515	return find $path;	2008	return find $path;
1516	}	2009	}
1517		2010
1518	$cf::MAP{$path} = $map	2011	$cf::MAP{$path} = $map
1519	}	2012	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	2021	local $self->{deny_reset} = 1; # loading can take a long time
1529		2022
1530	my $path = $self->{path};	2023	my $path = $self->{path};
1531		2024
1532	{	2025	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2026	my $guard = cf::lock_acquire "map_data:$path";
1534		2027
		2028	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2029	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2030
1537	$self->in_memory (cf::MAP_LOADING);	2031	$self->in_memory (cf::MAP_LOADING);
1538		2032
1539	$self->alloc;	2033	$self->alloc;
1540		2034
1541	$self->pre_load;	2035	$self->pre_load;
1542	Coro::cede;	2036	cf::cede_to_tick;
1543		2037
		2038	my $f = new_from_file cf::object::thawer $self->{load_path};
		2039	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2040	$self->_load_objects ($f)
1545	or return;	2041	or return;
1546		2042
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2043	$self->post_load_original
1548	if delete $self->{load_original};	2044	if delete $self->{load_original};
1549		2045
1550	if (my $uniq = $self->uniq_path) {	2046	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2047	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2048	unless (aio_stat $uniq) {
		2049	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2050	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2051	$self->_load_objects ($f);
		2052	$f->resolve_delayed_derefs;
		2053	}
1555	}	2054	}
1556	}	2055	}
1557		2056
1558	Coro::cede;	2057	$f->resolve_delayed_derefs;
		2058
		2059	cf::cede_to_tick;
1559	# now do the right thing for maps	2060	# now do the right thing for maps
1560	$self->link_multipart_objects;	2061	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2062	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2063	unless $self->difficulty;
1563	Coro::cede;	2064	cf::cede_to_tick;
1564		2065
1565	unless ($self->{deny_activate}) {	2066	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2067	$self->decay_objects;
1567	$self->fix_auto_apply;	2068	$self->fix_auto_apply;
1568	$self->update_buttons;	2069	$self->update_buttons;
1569	Coro::cede;	2070	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2071	$self->activate;
1573	}	2072	}
1574		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2077	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2078	}
1577		2079
1578	$self->post_load;	2080	$self->post_load;
1579	}	2081	}
1580		2082
…		…
1582	my ($self, $ob) = @_;	2084	my ($self, $ob) = @_;
1583		2085
1584	return find "~" . $ob->name . "/" . $self->{path}	2086	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2087	if $self->per_player;
1586		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
1587	$self	2092	$self
1588	}	2093	}
1589		2094
1590	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2096	sub load_neighbours {
1592	my ($map) = @_;	2097	my ($map) = @_;
1593		2098
1594	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1595		2100
1596	for (0 .. 3) {	2101	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1598	or next;	2103	or next;
1599	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1600	or next;	2105	or next;
1601	$neigh->load;	2106	$neigh->load;
1602		2107
		2108	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2111	}
1606		2112
1607	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1609	or next;	2116	or next;
1610	$neigh->load;	2117	$neigh->load;
1611	}	2118	}
1612	}	2119	}
1613		2120
…		…
1618	}	2125	}
1619		2126
1620	sub do_load_sync {	2127	sub do_load_sync {
1621	my ($map) = @_;	2128	my ($map) = @_;
1622		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1623	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1624	}	2134	}
1625		2135
1626	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1628		2138
1629	sub find_async {	2139	sub find_async {
1630	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1631		2141
1632	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1633		2143
1634	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2146	}
1637		2147
1638	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1639	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1640	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2155	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2156	$map->load if $v;
		2157	}
1645		2158
1646	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1647	}	2160	}
1648	}	2161	}
1649	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1650	};	2163	};
1651	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2167	}
1655		2168
1656	sub save {	2169	sub save {
1657	my ($self) = @_;	2170	my ($self) = @_;
1658		2171
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2173
1661	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1662		2175
1663	return unless $self->dirty;	2176	return unless $self->dirty;
1664		2177
…		…
1670	return if $self->{deny_save};	2183	return if $self->{deny_save};
1671		2184
1672	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1673		2186
1674	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1676	};	2190	};
		2191
		2192	cf::get_slot 0.02;
1677		2193
1678	if ($uniq) {	2194	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2195	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2196	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2197	} else {
…		…
1687	my ($self) = @_;	2203	my ($self) = @_;
1688		2204
1689	# save first because save cedes	2205	# save first because save cedes
1690	$self->save;	2206	$self->save;
1691		2207
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2208	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2209
1694	return if $self->players;	2210	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2211	return if $self->in_memory != cf::MAP_ACTIVE;
1696	return if $self->{deny_save};	2212	return if $self->{deny_save};
1697		2213
		2214	$self->in_memory (cf::MAP_SWAPPED);
		2215
		2216	$self->deactivate;
		2217	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2218	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2219	}
1701		2220
1702	sub reset_at {	2221	sub reset_at {
1703	my ($self) = @_;	2222	my ($self) = @_;
1704		2223
1705	# TODO: safety, remove and allow resettable per-player maps	2224	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2225	return 1e99 if $self->{deny_reset};
1708		2226
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2227	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2228	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2229
…		…
1722	my ($self) = @_;	2240	my ($self) = @_;
1723		2241
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2243
1726	return if $self->players;	2244	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2245
1729	warn "resetting map ", $self->path;#d#	2246	warn "resetting map ", $self->path, "\n";
1730		2247
1731	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->in_memory (cf::MAP_SWAPPED);
1732		2249
1733	# need to save uniques path	2250	# need to save uniques path
1734	unless ($self->{deny_save}) {	2251	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2255	if $uniq;
1739	}	2256	}
1740		2257
1741	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1742		2259
		2260	$self->deactivate;
		2261	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2262	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2263
1747	$self->unlink_save;	2264	$self->unlink_save;
1748	$self->destroy;	2265	$self->destroy;
1749	}	2266	}
1750		2267
1751	my $nuke_counter = "aaaa";	2268	my $nuke_counter = "aaaa";
1752		2269
1753	sub nuke {	2270	sub nuke {
1754	my ($self) = @_;	2271	my ($self) = @_;
1755		2272
		2273	{
		2274	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2275
1756	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1757		2277
1758	$self->unlink_save;	2278	$self->unlink_save;
1759		2279
1760	bless $self, "cf::map";	2280	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2281	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2282	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2283	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2284	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2285
1766	$cf::MAP{$self->path} = $self;	2286	$cf::MAP{$self->path} = $self;
		2287	}
1767		2288
1768	$self->reset; # polite request, might not happen	2289	$self->reset; # polite request, might not happen
		2290	}
		2291
		2292	=item $maps = cf::map::tmp_maps
		2293
		2294	Returns an arrayref with all map paths of currently instantiated and saved
		2295	maps. May block.
		2296
		2297	=cut
		2298
		2299	sub tmp_maps() {
		2300	[
		2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise $_
		2305	: ()
		2306	} @{ aio_readdir $TMPDIR or [] }
		2307	]
		2308	}
		2309
		2310	=item $maps = cf::map::random_maps
		2311
		2312	Returns an arrayref with all map paths of currently instantiated and saved
		2313	random maps. May block.
		2314
		2315	=cut
		2316
		2317	sub random_maps() {
		2318	[
		2319	map {
		2320	utf8::decode $_;
		2321	/\.map$/
		2322	? normalise "?random/$_"
		2323	: ()
		2324	} @{ aio_readdir $RANDOMDIR or [] }
		2325	]
1769	}	2326	}
1770		2327
1771	=item cf::map::unique_maps	2328	=item cf::map::unique_maps
1772		2329
1773	Returns an arrayref of paths of all shared maps that have	2330	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2331	instantiated unique items. May block.
1775		2332
1776	=cut	2333	=cut
1777		2334
1778	sub unique_maps() {	2335	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2336	[
1780	or return;	2337	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2338	utf8::decode $_;
1786	next if /\.pst$/;	2339	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2340	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2341	? ()
1789	push @paths, cf::map::normalise $_;	2342	: normalise $_
		2343	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2344	]
1791
1792	\@paths
1793	}	2345	}
1794		2346
1795	package cf;	2347	=item cf::map::static_maps
		2348
		2349	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2350	file in the shared directory excluding F</styles> and F</editor>). May
		2351	block.
		2352
		2353	=cut
		2354
		2355	sub static_maps() {
		2356	my @dirs = "";
		2357	my @maps;
		2358
		2359	while (@dirs) {
		2360	my $dir = shift @dirs;
		2361
		2362	next if $dir eq "/styles" || $dir eq "/editor";
		2363
		2364	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2365	or return;
		2366
		2367	for (@$files) {
		2368	s/\.map$// or next;
		2369	utf8::decode $_;
		2370	push @maps, "$dir/$_";
		2371	}
		2372
		2373	push @dirs, map "$dir/$_", @$dirs;
		2374	}
		2375
		2376	\@maps
		2377	}
1796		2378
1797	=back	2379	=back
1798		2380
1799	=head3 cf::object	2381	=head3 cf::object
1800		2382
…		…
1804		2386
1805	=over 4	2387	=over 4
1806		2388
1807	=item $ob->inv_recursive	2389	=item $ob->inv_recursive
1808		2390
1809	Returns the inventory of the object _and_ their inventories, recursively.	2391	Returns the inventory of the object I<and> their inventories, recursively,
		2392	but I<not> the object itself.
1810		2393
1811	=cut	2394	=cut
1812		2395
1813	sub inv_recursive_;	2396	sub inv_recursive_;
1814	sub inv_recursive_ {	2397	sub inv_recursive_ {
…		…
1817		2400
1818	sub inv_recursive {	2401	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2402	inv_recursive_ inv $_[0]
1820	}	2403	}
1821		2404
		2405	=item $ref = $ob->ref
		2406
		2407	Creates and returns a persistent reference to an object that can be stored as a string.
		2408
		2409	=item $ob = cf::object::deref ($refstring)
		2410
		2411	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2412	even if the object actually exists. May block.
		2413
		2414	=cut
		2415
		2416	sub deref {
		2417	my ($ref) = @_;
		2418
		2419	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2420	my ($uuid, $name) = ($1, $2);
		2421	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2422	or return;
		2423	$pl->ob->uuid eq $uuid
		2424	or return;
		2425
		2426	$pl->ob
		2427	} else {
		2428	warn "$ref: cannot resolve object reference\n";
		2429	undef
		2430	}
		2431	}
		2432
1822	package cf;	2433	package cf;
1823		2434
1824	=back	2435	=back
1825		2436
1826	=head3 cf::object::player	2437	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2443	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2444	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2445	dialogue with the given NPC character.
1835		2446
1836	=cut	2447	=cut
		2448
		2449	our $SAY_CHANNEL = {
		2450	id => "say",
		2451	title => "Map",
		2452	reply => "say ",
		2453	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2454	};
		2455
		2456	our $CHAT_CHANNEL = {
		2457	id => "chat",
		2458	title => "Chat",
		2459	reply => "chat ",
		2460	tooltip => "Player chat and shouts, global to the server.",
		2461	};
1837		2462
1838	# rough implementation of a future "reply" method that works	2463	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2464	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2465	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2466	sub cf::object::player::reply($$$;$) {
…		…
1843		2468
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2469	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2470
1846	if ($self->{record_replies}) {	2471	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2472	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2473
1848	} else {	2474	} else {
		2475	my $pl = $self->contr;
		2476
		2477	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2478	my $dialog = $pl->{npc_dialog};
		2479	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2480
		2481	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2482	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2483	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2484	}
1851	}	2485	}
		2486	}
		2487
		2488	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	=cut
		2491
		2492	sub cf::object::send_msg {
		2493	my $pl = shift->contr
		2494	or return;
		2495	$pl->send_msg (@_);
1852	}	2496	}
1853		2497
1854	=item $player_object->may ("access")	2498	=item $player_object->may ("access")
1855		2499
1856	Returns wether the given player is authorized to access resource "access"	2500	Returns wether the given player is authorized to access resource "access"
…		…
1869		2513
1870	=item $player_object->enter_link	2514	=item $player_object->enter_link
1871		2515
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2516	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2517
1874	The player should be reasonably safe there for short amounts of time. You	2518	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2519	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2520	though, as the palyer cannot control the character while it is on the link
		2521	map.
1876		2522
1877	Will never block.	2523	Will never block.
1878		2524
1879	=item $player_object->leave_link ($map, $x, $y)	2525	=item $player_object->leave_link ($map, $x, $y)
1880		2526
…		…
1932	($x, $y) = (-1, -1)	2578	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2579	unless (defined $x) && (defined $y);
1934		2580
1935	# use -1 or undef as default coordinates, not 0, 0	2581	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2582	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2583	if $x <= 0 && $y <= 0;
1938		2584
1939	$map->load;	2585	$map->load;
1940	$map->load_diag;	2586	$map->load_neighbours;
1941		2587
1942	return unless $self->contr->active;	2588	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2589
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
1947	}
1948		2592
		2593	# only activate afterwards, to support waiting in hooks
		2594	$self->activate_recursive;
		2595	}
		2596
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2597	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2598
1951	Moves the player to the given map-path and coordinates by first freezing	2599	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2600	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2601	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2602	the new (success) or old (failed) map position. In either case, $done will
		2603	be called at the end of this process.
		2604
		2605	Note that $check will be called with a potentially non-loaded map, so if
		2606	it needs a loaded map it has to call C<< ->load >>.
1955		2607
1956	=cut	2608	=cut
1957		2609
1958	our $GOTOGEN;	2610	our $GOTOGEN;
1959		2611
1960	sub cf::object::player::goto {	2612	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2613	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2614
1963	# do generation counting so two concurrent goto's will be executed in-order	2615	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2616	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2617
1966	$self->enter_link;	2618	$self->enter_link;
1967		2619
1968	(async {	2620	(async {
		2621	$Coro::current->{desc} = "player::goto $path $x $y";
		2622
		2623	# *tag paths override both path and x|y
		2624	if ($path =~ /^\*(.*)$/) {
		2625	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2626	my $ob = $obs[rand @obs];
		2627
		2628	# see if we actually can go there
		2629	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2630	$ob = $obs[rand @obs];
		2631	} else {
		2632	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2633	}
		2634	# else put us there anyways for now #d#
		2635
		2636	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2637	} else {
		2638	($path, $x, $y) = (undef, undef, undef);
		2639	}
		2640	}
		2641
1969	my $map = eval {	2642	my $map = eval {
1970	my $map = cf::map::find $path;	2643	my $map = defined $path ? cf::map::find $path : undef;
1971		2644
1972	if ($map) {	2645	if ($map) {
1973	$map = $map->customise_for ($self);	2646	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2647	$map = $check->($map) if $check && $map;
1975	} else {	2648	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2649	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2650	}
1978		2651
1979	$map	2652	$map
1980	};	2653	};
1981		2654
…		…
1986		2659
1987	if ($gen == $self->{_goto_generation}) {	2660	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2661	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2662	$self->leave_link ($map, $x, $y);
1990	}	2663	}
		2664
		2665	$done->() if $done;
1991	})->prio (1);	2666	})->prio (1);
1992	}	2667	}
1993		2668
1994	=item $player_object->enter_exit ($exit_object)	2669	=item $player_object->enter_exit ($exit_object)
1995		2670
…		…
2015	}	2690	}
2016		2691
2017	sub prepare_random_map {	2692	sub prepare_random_map {
2018	my ($exit) = @_;	2693	my ($exit) = @_;
2019		2694
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2695	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2696	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2697	# that depends on the exit object
2025		2698
2026	my $rmp = parse_random_map_params $exit->msg;	2699	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2701	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2702	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2703	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2704	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2705	$rmp->{origin_y} = $exit->y;
		2706
		2707	$exit->map->touch;
2033	}	2708	}
2034		2709
2035	$rmp->{random_seed} ||= $exit->random_seed;	2710	$rmp->{random_seed} ||= $exit->random_seed;
2036		2711
2037	my $data = cf::to_json $rmp;	2712	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2713	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2714	my $meta = "$RANDOMDIR/$md5.meta";
2040		2715
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2716	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2717	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2718	undef $fh;
2044	aio_rename "$meta~", $meta;	2719	aio_rename "$meta~", $meta;
2045		2720
		2721	my $slaying = "?random/$md5";
		2722
		2723	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2724	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2725	$exit->msg (undef);
		2726	}
2048	}	2727	}
2049	}	2728	}
2050		2729
2051	sub cf::object::player::enter_exit {	2730	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2731	my ($self, $exit) = @_;
2053		2732
2054	return unless $self->type == cf::PLAYER;	2733	return unless $self->type == cf::PLAYER;
2055		2734
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2735	$self->enter_link;
2068		2736
2069	(async {	2737	(async {
2070	$self->deactivate_recursive; # just to be sure	2738	$Coro::current->{desc} = "enter_exit";
		2739
2071	unless (eval {	2740	unless (eval {
		2741	$self->deactivate_recursive; # just to be sure
		2742
		2743	# random map handling
		2744	{
		2745	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2746
		2747	prepare_random_map $exit
		2748	if $exit->slaying eq "/!";
		2749	}
		2750
		2751	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2752	my $x = $exit->stats->hp;
		2753	my $y = $exit->stats->sp;
		2754
2072	$self->goto ($slaying, $hp, $sp);	2755	$self->goto ($map, $x, $y);
2073		2756
		2757	# if exit is damned, update players death & WoR home-position
		2758	$self->contr->savebed ($map, $x, $y)
		2759	if $exit->flag (cf::FLAG_DAMNED);
		2760
2074	1;	2761	1
2075	}) {	2762	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2763	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2764	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2765	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2766	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2767
2081	warn "ERROR in enter_exit: $@";	2768	warn "ERROR in enter_exit: $@";
…		…
2100		2787
2101	utf8::encode $text;	2788	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2789	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2790	}
2104		2791
		2792	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2793
		2794	Send a drawinfo or msg packet to the client, formatting the msg for the
		2795	client if neccessary. C<$type> should be a string identifying the type of
		2796	the message, with C<log> being the default. If C<$color> is negative, suppress
		2797	the message unless the client supports the msg packet.
		2798
		2799	=cut
		2800
		2801	# non-persistent channels (usually the info channel)
		2802	our %CHANNEL = (
		2803	"c/motd" => {
		2804	id => "infobox",
		2805	title => "MOTD",
		2806	reply => undef,
		2807	tooltip => "The message of the day",
		2808	},
		2809	"c/identify" => {
		2810	id => "infobox",
		2811	title => "Identify",
		2812	reply => undef,
		2813	tooltip => "Items recently identified",
		2814	},
		2815	"c/examine" => {
		2816	id => "infobox",
		2817	title => "Examine",
		2818	reply => undef,
		2819	tooltip => "Signs and other items you examined",
		2820	},
		2821	"c/shopinfo" => {
		2822	id => "infobox",
		2823	title => "Shop Info",
		2824	reply => undef,
		2825	tooltip => "What your bargaining skill tells you about the shop",
		2826	},
		2827	"c/book" => {
		2828	id => "infobox",
		2829	title => "Book",
		2830	reply => undef,
		2831	tooltip => "The contents of a note or book",
		2832	},
		2833	"c/lookat" => {
		2834	id => "infobox",
		2835	title => "Look",
		2836	reply => undef,
		2837	tooltip => "What you saw there",
		2838	},
		2839	"c/who" => {
		2840	id => "infobox",
		2841	title => "Players",
		2842	reply => undef,
		2843	tooltip => "Shows players who are currently online",
		2844	},
		2845	"c/body" => {
		2846	id => "infobox",
		2847	title => "Body Parts",
		2848	reply => undef,
		2849	tooltip => "Shows which body parts you posess and are available",
		2850	},
		2851	"c/statistics" => {
		2852	id => "infobox",
		2853	title => "Statistics",
		2854	reply => undef,
		2855	tooltip => "Shows your primary statistics",
		2856	},
		2857	"c/skills" => {
		2858	id => "infobox",
		2859	title => "Skills",
		2860	reply => undef,
		2861	tooltip => "Shows your experience per skill and item power",
		2862	},
		2863	"c/shopitems" => {
		2864	id => "infobox",
		2865	title => "Shop Items",
		2866	reply => undef,
		2867	tooltip => "Shows the items currently for sale in this shop",
		2868	},
		2869	"c/resistances" => {
		2870	id => "infobox",
		2871	title => "Resistances",
		2872	reply => undef,
		2873	tooltip => "Shows your resistances",
		2874	},
		2875	"c/pets" => {
		2876	id => "infobox",
		2877	title => "Pets",
		2878	reply => undef,
		2879	tooltip => "Shows information abotu your pets/a specific pet",
		2880	},
		2881	"c/perceiveself" => {
		2882	id => "infobox",
		2883	title => "Perceive Self",
		2884	reply => undef,
		2885	tooltip => "You gained detailed knowledge about yourself",
		2886	},
		2887	"c/uptime" => {
		2888	id => "infobox",
		2889	title => "Uptime",
		2890	reply => undef,
		2891	tooltip => "How long the server has been running since last restart",
		2892	},
		2893	"c/mapinfo" => {
		2894	id => "infobox",
		2895	title => "Map Info",
		2896	reply => undef,
		2897	tooltip => "Information related to the maps",
		2898	},
		2899	"c/party" => {
		2900	id => "party",
		2901	title => "Party",
		2902	reply => "gsay ",
		2903	tooltip => "Messages and chat related to your party",
		2904	},
		2905	"c/death" => {
		2906	id => "death",
		2907	title => "Death",
		2908	reply => undef,
		2909	tooltip => "Reason for and more info about your most recent death",
		2910	},
		2911	"c/say" => $SAY_CHANNEL,
		2912	"c/chat" => $CHAT_CHANNEL,
		2913	);
		2914
		2915	sub cf::client::send_msg {
		2916	my ($self, $channel, $msg, $color, @extra) = @_;
		2917
		2918	$msg = $self->pl->expand_cfpod ($msg)
		2919	unless $color & cf::NDI_VERBATIM;
		2920
		2921	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2922
		2923	# check predefined channels, for the benefit of C
		2924	if ($CHANNEL{$channel}) {
		2925	$channel = $CHANNEL{$channel};
		2926
		2927	$self->ext_msg (channel_info => $channel);
		2928	$channel = $channel->{id};
		2929
		2930	} elsif (ref $channel) {
		2931	# send meta info to client, if not yet sent
		2932	unless (exists $self->{channel}{$channel->{id}}) {
		2933	$self->{channel}{$channel->{id}} = $channel;
		2934	$self->ext_msg (channel_info => $channel);
		2935	}
		2936
		2937	$channel = $channel->{id};
		2938	}
		2939
		2940	return unless @extra || length $msg;
		2941
		2942	# default colour, mask it out
		2943	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2944	if $color & cf::NDI_DEF;
		2945
		2946	my $pkt = "msg "
		2947	. $self->{json_coder}->encode (
		2948	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2949	);
		2950
		2951	# try lzf for large packets
		2952	$pkt = "lzf " . Compress::LZF::compress $pkt
		2953	if 1024 <= length $pkt and $self->{can_lzf};
		2954
		2955	# split very large packets
		2956	if (8192 < length $pkt and $self->{can_lzf}) {
		2957	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2958	$pkt = "frag";
		2959	}
		2960
		2961	$self->send_packet ($pkt);
		2962	}
		2963
2105	=item $client->ext_event ($type, %msg)	2964	=item $client->ext_msg ($type, @msg)
2106		2965
2107	Sends an exti event to the client.	2966	Sends an ext event to the client.
2108		2967
2109	=cut	2968	=cut
2110		2969
2111	sub cf::client::ext_event($$%) {	2970	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2971	my ($self, $type, @msg) = @_;
2113		2972
		2973	if ($self->extcmd == 2) {
		2974	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2975	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2976	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2977	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2978	}
		2979	}
		2980
		2981	=item $client->ext_reply ($msgid, @msg)
		2982
		2983	Sends an ext reply to the client.
		2984
		2985	=cut
		2986
		2987	sub cf::client::ext_reply($$@) {
		2988	my ($self, $id, @msg) = @_;
		2989
		2990	if ($self->extcmd == 2) {
		2991	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2992	} elsif ($self->extcmd == 1) {
		2993	#TODO: version 1, remove
		2994	unshift @msg, msgtype => "reply", msgid => $id;
		2995	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2996	}
2116	}	2997	}
2117		2998
2118	=item $success = $client->query ($flags, "text", \&cb)	2999	=item $success = $client->query ($flags, "text", \&cb)
2119		3000
2120	Queues a query to the client, calling the given callback with	3001	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3002	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3003	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		3004
2124	Queries can fail, so check the return code. Or don't, as queries will become	3005	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	3006	become reliable at some point in the future.
2126		3007
2127	=cut	3008	=cut
2128		3009
2129	sub cf::client::query {	3010	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3011	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3019	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3020	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3021
2141	$self->send_packet ($self->{query_queue}[0][0])	3022	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3023	if @{ $self->{query_queue} } == 1;
		3024
		3025	1
2143	}	3026	}
2144		3027
2145	cf::client->attach (	3028	cf::client->attach (
		3029	on_connect => sub {
		3030	my ($ns) = @_;
		3031
		3032	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3033	},
2146	on_reply => sub {	3034	on_reply => sub {
2147	my ($ns, $msg) = @_;	3035	my ($ns, $msg) = @_;
2148		3036
2149	# this weird shuffling is so that direct followup queries	3037	# this weird shuffling is so that direct followup queries
2150	# get handled first	3038	# get handled first
…		…
2162	} else {	3050	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3051	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3052	}
2165	}	3053	}
2166	},	3054	},
		3055	on_exticmd => sub {
		3056	my ($ns, $buf) = @_;
		3057
		3058	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3059
		3060	if (ref $msg) {
		3061	my ($type, $reply, @payload) =
		3062	"ARRAY" eq ref $msg
		3063	? @$msg
		3064	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3065
		3066	my @reply;
		3067
		3068	if (my $cb = $EXTICMD{$type}) {
		3069	@reply = $cb->($ns, @payload);
		3070	}
		3071
		3072	$ns->ext_reply ($reply, @reply)
		3073	if $reply;
		3074
		3075	} else {
		3076	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3077	}
		3078
		3079	cf::override;
		3080	},
2167	);	3081	);
2168		3082
2169	=item $client->async (\&cb)	3083	=item $client->async (\&cb)
2170		3084
2171	Create a new coroutine, running the specified callback. The coroutine will	3085	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	3126	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3127	our $safe_hole = new Safe::Hole;
2214		3128
2215	$SIG{FPE} = 'IGNORE';	3129	$SIG{FPE} = 'IGNORE';
2216		3130
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3131	$safe->permit_only (Opcode::opset qw(
		3132	:base_core :base_mem :base_orig :base_math
		3133	grepstart grepwhile mapstart mapwhile
		3134	sort time
		3135	));
2218		3136
2219	# here we export the classes and methods available to script code	3137	# here we export the classes and methods available to script code
2220		3138
2221	=pod	3139	=pod
2222		3140
2223	The following functions and methods are available within a safe environment:	3141	The following functions and methods are available within a safe environment:
2224		3142
2225	cf::object contr pay_amount pay_player map	3143	cf::object
		3144	contr pay_amount pay_player map x y force_find force_add destroy
		3145	insert remove name archname title slaying race decrease split
		3146	value
		3147
2226	cf::object::player player	3148	cf::object::player
2227	cf::player peaceful	3149	player
2228	cf::map trigger	3150
		3151	cf::player
		3152	peaceful
		3153
		3154	cf::map
		3155	trigger
2229		3156
2230	=cut	3157	=cut
2231		3158
2232	for (	3159	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3160	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3161	insert remove inv nrof name archname title slaying race
		3162	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3163	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3164	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3165	["cf::map" => qw(trigger)],
2237	) {	3166	) {
2238	no strict 'refs';	3167	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3168	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3169	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2257	my ($code, %vars) = @_;	3186	my ($code, %vars) = @_;
2258		3187
2259	my $qcode = $code;	3188	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3189	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3190	$qcode =~ s/\n/\\n/g;
		3191
		3192	%vars = (_dummy => 0) unless %vars;
2262		3193
2263	local $_;	3194	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;	3195	local @safe::cf::_safe_eval_args = values %vars;
2265		3196
2266	my $eval =	3197	my $eval =
…		…
2309	=back	3240	=back
2310		3241
2311	=cut	3242	=cut
2312		3243
2313	#############################################################################	3244	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3245	# the server's init and main functions
2487		3246
2488	sub load_facedata($) {	3247	sub load_facedata($) {
2489	my ($path) = @_;	3248	my ($path) = @_;
		3249
		3250	# HACK to clear player env face cache, we need some signal framework
		3251	# for this (global event?)
		3252	%ext::player_env::MUSIC_FACE_CACHE = ();
		3253
		3254	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3255
2491	warn "loading facedata from $path\n";	3256	warn "loading facedata from $path\n";
2492		3257
2493	my $facedata;	3258	my $facedata;
2494	0 < aio_load $path, $facedata	3259	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3262	$facedata = Coro::Storable::thaw $facedata;
2498		3263
2499	$facedata->{version} == 2	3264	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3265	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3266
		3267	# patch in the exptable
		3268	$facedata->{resource}{"res/exp_table"} = {
		3269	type => FT_RSRC,
		3270	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3271	};
		3272	cf::cede_to_tick;
		3273
2502	{	3274	{
2503	my $faces = $facedata->{faceinfo};	3275	my $faces = $facedata->{faceinfo};
2504		3276
2505	while (my ($face, $info) = each %$faces) {	3277	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3278	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3279
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3280	cf::face::set_visibility $idx, $info->{visibility};
		3281	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3282	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3283	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3284
		3285	cf::cede_to_tick;
2511	}	3286	}
2512		3287
2513	while (my ($face, $info) = each %$faces) {	3288	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3289	next unless $info->{smooth};
		3290
2515	my $idx = cf::face::find $face	3291	my $idx = cf::face::find $face
2516	or next;	3292	or next;
		3293
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3294	if (my $smooth = cf::face::find $info->{smooth}) {
		3295	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3296	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3297	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3298	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3299	}
2522	Coro::cede;	3300
		3301	cf::cede_to_tick;
2523	}	3302	}
2524	}	3303	}
2525		3304
2526	{	3305	{
2527	my $anims = $facedata->{animinfo};	3306	my $anims = $facedata->{animinfo};
2528		3307
2529	while (my ($anim, $info) = each %$anims) {	3308	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3309	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3310	cf::cede_to_tick;
2532	}	3311	}
2533		3312
2534	cf::anim::invalidate_all; # d'oh	3313	cf::anim::invalidate_all; # d'oh
2535	}	3314	}
2536		3315
		3316	{
		3317	# TODO: for gcfclient pleasure, we should give resources
		3318	# that gcfclient doesn't grok a >10000 face index.
		3319	my $res = $facedata->{resource};
		3320
		3321	while (my ($name, $info) = each %$res) {
		3322	if (defined $info->{type}) {
		3323	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3324	my $data;
		3325
		3326	if ($info->{type} & 1) {
		3327	# prepend meta info
		3328
		3329	my $meta = $enc->encode ({
		3330	name => $name,
		3331	%{ $info->{meta} || {} },
		3332	});
		3333
		3334	$data = pack "(w/a*)*", $meta, $info->{data};
		3335	} else {
		3336	$data = $info->{data};
		3337	}
		3338
		3339	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3340	cf::face::set_type $idx, $info->{type};
		3341	} else {
		3342	$RESOURCE{$name} = $info;
		3343	}
		3344
		3345	cf::cede_to_tick;
		3346	}
		3347	}
		3348
		3349	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3350
2537	1	3351	1
2538	}	3352	}
2539		3353
		3354	cf::global->attach (on_resource_update => sub {
		3355	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3356	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3357
		3358	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3359	my $sound = $soundconf->{compat}[$_]
		3360	or next;
		3361
		3362	my $face = cf::face::find "sound/$sound->[1]";
		3363	cf::sound::set $sound->[0] => $face;
		3364	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3365	}
		3366
		3367	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3368	my $face = cf::face::find "sound/$v";
		3369	cf::sound::set $k => $face;
		3370	}
		3371	}
		3372	});
		3373
		3374	register_exticmd fx_want => sub {
		3375	my ($ns, $want) = @_;
		3376
		3377	while (my ($k, $v) = each %$want) {
		3378	$ns->fx_want ($k, $v);
		3379	}
		3380	};
		3381
		3382	sub load_resource_file($) {
		3383	my $guard = lock_acquire "load_resource_file";
		3384
		3385	my $status = load_resource_file_ $_[0];
		3386	get_slot 0.1, 100;
		3387	cf::arch::commit_load;
		3388
		3389	$status
		3390	}
		3391
2540	sub reload_regions {	3392	sub reload_regions {
		3393	# HACK to clear player env face cache, we need some signal framework
		3394	# for this (global event?)
		3395	%ext::player_env::MUSIC_FACE_CACHE = ();
		3396
2541	load_resource_file "$MAPDIR/regions"	3397	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3398	or die "unable to load regions file\n";
		3399
		3400	for (cf::region::list) {
		3401	$_->{match} = qr/$_->{match}/
		3402	if exists $_->{match};
		3403	}
2543	}	3404	}
2544		3405
2545	sub reload_facedata {	3406	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3407	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3408	or die "unable to load facedata\n";
…		…
2558	}	3419	}
2559		3420
2560	sub reload_resources {	3421	sub reload_resources {
2561	warn "reloading resource files...\n";	3422	warn "reloading resource files...\n";
2562		3423
2563	reload_regions;
2564	reload_facedata;	3424	reload_facedata;
2565	reload_archetypes;	3425	reload_archetypes;
		3426	reload_regions;
2566	reload_treasures;	3427	reload_treasures;
2567		3428
2568	warn "finished reloading resource files\n";	3429	warn "finished reloading resource files\n";
2569	}	3430	}
2570		3431
2571	sub init {	3432	sub reload_config {
2572	reload_resources;	3433	warn "reloading config file...\n";
2573	}
2574		3434
2575	sub cfg_load {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3435	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3436	or return;
2578		3437
2579	local $/;	3438	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3439	*CFG = YAML::XS::Load scalar <$fh>;
2581		3440
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3441	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583		3442
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3443	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3444	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2589	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3448	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2590	and die "WARNING: m(un)lockall failed: $!\n";	3449	and die "WARNING: m(un)lockall failed: $!\n";
2591	};	3450	};
2592	warn $@ if $@;	3451	warn $@ if $@;
2593	}	3452	}
		3453
		3454	warn "finished reloading resource files\n";
		3455	}
		3456
		3457	sub pidfile() {
		3458	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3459	or die "$PIDFILE: $!";
		3460	flock $fh, &Fcntl::LOCK_EX
		3461	or die "$PIDFILE: flock: $!";
		3462	$fh
		3463	}
		3464
		3465	# make sure only one server instance is running at any one time
		3466	sub atomic {
		3467	my $fh = pidfile;
		3468
		3469	my $pid = <$fh>;
		3470	kill 9, $pid if $pid > 0;
		3471
		3472	seek $fh, 0, 0;
		3473	print $fh $$;
		3474	}
		3475
		3476	sub main_loop {
		3477	warn "EV::loop starting\n";
		3478	if (1) {
		3479	EV::loop;
		3480	}
		3481	warn "EV::loop returned\n";
		3482	goto &main_loop unless $REALLY_UNLOOP;
2594	}	3483	}
2595		3484
2596	sub main {	3485	sub main {
		3486	cf::init_globals; # initialise logging
		3487
		3488	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3489	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3490	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3491	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3492
		3493	cf::init_experience;
		3494	cf::init_anim;
		3495	cf::init_attackmess;
		3496	cf::init_dynamic;
		3497
		3498	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3499
2597	# we must not ever block the main coroutine	3500	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3501	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3502	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3503	(async {
2601	Event::one_event;	3504	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3505	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3506	})->prio (Coro::PRIO_MAX);
2603	};	3507	};
2604		3508
2605	cfg_load;	3509	evthread_start IO::AIO::poll_fileno;
		3510
		3511	cf::sync_job {
		3512	reload_resources;
		3513	reload_config;
2606	db_init;	3514	db_init;
		3515
		3516	cf::load_settings;
		3517	cf::load_materials;
		3518	cf::init_uuid;
		3519	cf::init_signals;
		3520	cf::init_commands;
		3521	cf::init_skills;
		3522
		3523	cf::init_beforeplay;
		3524
		3525	atomic;
		3526
2607	load_extensions;	3527	load_extensions;
2608		3528
2609	$TICK_WATCHER->start;	3529	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3530
		3531	# no (long-running) fork's whatsoever before this point(!)
		3532	use POSIX ();
		3533	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3534
		3535	(pop @POST_INIT)->(0) while @POST_INIT;
		3536	};
		3537
		3538	main_loop;
2611	}	3539	}
2612		3540
2613	#############################################################################	3541	#############################################################################
2614	# initialisation and cleanup	3542	# initialisation and cleanup
2615		3543
2616	# install some emergency cleanup handlers	3544	# install some emergency cleanup handlers
2617	BEGIN {	3545	BEGIN {
		3546	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3547	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3548	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3549	cf::cleanup "SIG$signal";
2626	},
2627	);	3550	};
		3551	}
		3552	}
		3553
		3554	sub write_runtime_sync {
		3555	# first touch the runtime file to show we are still running:
		3556	# the fsync below can take a very very long time.
		3557
		3558	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3559
		3560	my $guard = cf::lock_acquire "write_runtime";
		3561
		3562	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3563	or return;
		3564
		3565	my $value = $cf::RUNTIME + 90 + 10;
		3566	# 10 is the runtime save interval, for a monotonic clock
		3567	# 60 allows for the watchdog to kill the server.
		3568
		3569	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3570	and return;
		3571
		3572	# always fsync - this file is important
		3573	aio_fsync $fh
		3574	and return;
		3575
		3576	# touch it again to show we are up-to-date
		3577	aio_utime $fh, undef, undef;
		3578
		3579	close $fh
		3580	or return;
		3581
		3582	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3583	and return;
		3584
		3585	warn "runtime file written.\n";
		3586
2628	}	3587	1
		3588	}
		3589
		3590	our $uuid_lock;
		3591	our $uuid_skip;
		3592
		3593	sub write_uuid_sync($) {
		3594	$uuid_skip ||= $_[0];
		3595
		3596	return if $uuid_lock;
		3597	local $uuid_lock = 1;
		3598
		3599	my $uuid = "$LOCALDIR/uuid";
		3600
		3601	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3602	or return;
		3603
		3604	my $value = uuid_seq uuid_cur;
		3605
		3606	unless ($value) {
		3607	warn "cowardly refusing to write zero uuid value!\n";
		3608	return;
		3609	}
		3610
		3611	my $value = uuid_str $value + $uuid_skip;
		3612	$uuid_skip = 0;
		3613
		3614	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3615	and return;
		3616
		3617	# always fsync - this file is important
		3618	aio_fsync $fh
		3619	and return;
		3620
		3621	close $fh
		3622	or return;
		3623
		3624	aio_rename "$uuid~", $uuid
		3625	and return;
		3626
		3627	warn "uuid file written ($value).\n";
		3628
		3629	1
		3630
		3631	}
		3632
		3633	sub write_uuid($$) {
		3634	my ($skip, $sync) = @_;
		3635
		3636	$sync ? write_uuid_sync $skip
		3637	: async { write_uuid_sync $skip };
2629	}	3638	}
2630		3639
2631	sub emergency_save() {	3640	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3641	my $freeze_guard = cf::freeze_mainloop;
2633		3642
2634	warn "enter emergency perl save\n";	3643	warn "emergency_perl_save: enter\n";
2635		3644
2636	cf::sync_job {	3645	cf::sync_job {
		3646	# this is a trade-off: we want to be very quick here, so
		3647	# save all maps without fsync, and later call a global sync
		3648	# (which in turn might be very very slow)
		3649	local $USE_FSYNC = 0;
		3650
2637	# use a peculiar iteration method to avoid tripping on perl	3651	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3652	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3653	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3654	warn "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3655	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3656	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3657	$pl->valid or next;
		3658	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3659	$pl->save;
2645	}	3660	}
2646	warn "end emergency player save\n";	3661	warn "emergency_perl_save: end player save\n";
2647		3662
2648	warn "begin emergency map save\n";	3663	warn "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3664	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3665	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3666	$map->valid or next;
2652	$map->save;	3667	$map->save;
2653	}	3668	}
2654	warn "end emergency map save\n";	3669	warn "emergency_perl_save: end map save\n";
2655		3670
2656	warn "begin emergency database checkpoint\n";	3671	warn "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3672	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3673	warn "emergency_perl_save: end database checkpoint\n";
		3674
		3675	warn "emergency_perl_save: begin write uuid\n";
		3676	write_uuid_sync 1;
		3677	warn "emergency_perl_save: end write uuid\n";
2659	};	3678	};
2660		3679
		3680	warn "emergency_perl_save: starting sync()\n";
		3681	IO::AIO::aio_sync sub {
		3682	warn "emergency_perl_save: finished sync()\n";
		3683	};
		3684
2661	warn "leave emergency perl save\n";	3685	warn "emergency_perl_save: leave\n";
2662	}	3686	}
2663		3687
2664	sub post_cleanup {	3688	sub post_cleanup {
2665	my ($make_core) = @_;	3689	my ($make_core) = @_;
2666		3690
2667	warn Carp::longmess "post_cleanup backtrace"	3691	warn Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3692	if $make_core;
		3693
		3694	my $fh = pidfile;
		3695	unlink $PIDFILE if <$fh> == $$;
		3696	}
		3697
		3698	# a safer delete_package, copied from Symbol
		3699	sub clear_package($) {
		3700	my $pkg = shift;
		3701
		3702	# expand to full symbol table name if needed
		3703	unless ($pkg =~ /^main::.*::$/) {
		3704	$pkg = "main$pkg" if $pkg =~ /^::/;
		3705	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3706	$pkg .= '::' unless $pkg =~ /::$/;
		3707	}
		3708
		3709	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3710	my $stem_symtab = *{$stem}{HASH};
		3711
		3712	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3713	or return;
		3714
		3715	# clear all symbols
		3716	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3717	for my $name (keys %$leaf_symtab) {
		3718	_gv_clear *{"$pkg$name"};
		3719	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3720	}
		3721	warn "cleared package $pkg\n";#d#
2669	}	3722	}
2670		3723
2671	sub do_reload_perl() {	3724	sub do_reload_perl() {
2672	# can/must only be called in main	3725	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3726	if ($Coro::current != $Coro::main) {
2674	warn "can only reload from main coroutine";	3727	warn "can only reload from main coroutine";
2675	return;	3728	return;
2676	}	3729	}
2677		3730
		3731	return if $RELOAD++;
		3732
		3733	my $t1 = EV::time;
		3734
		3735	while ($RELOAD) {
2678	warn "reloading...";	3736	warn "reloading...";
2679		3737
2680	warn "entering sync_job";	3738	warn "entering sync_job";
2681		3739
2682	cf::sync_job {	3740	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark	3741	cf::write_runtime_sync; # external watchdog should not bark
2684	cf::emergency_save;	3742	cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark	3743	cf::write_runtime_sync; # external watchdog should not bark
2686		3744
2687	warn "syncing database to disk";	3745	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3746	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3747
2690	# if anything goes wrong in here, we should simply crash as we already saved	3748	# if anything goes wrong in here, we should simply crash as we already saved
2691		3749
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";	3750	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3751	while (IO::AIO::nreqs || BDB::nreqs) {
2703	warn "iterate...";	3752	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();
2711
2712	warn "removing commands";
2713	%COMMAND = ();
2714
2715	warn "removing ext commands";
2716	%EXTCMD = ();
2717
2718	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";
2721
2722	if (my $cb = $pkg->can ("unload")) {
2723	eval {
2724	$cb->($pkg);
2725	1
2726	} or warn "$pkg unloaded, but with errors: $@";
2727	}	3753	}
2728		3754
2729	warn "... nuking $pkg";	3755	warn "cancelling all extension coros";
2730	Symbol::delete_package $pkg;	3756	$_->cancel for values %EXT_CORO;
2731	}	3757	%EXT_CORO = ();
2732		3758
2733	warn "unloading all perl modules loaded from $LIBDIR";	3759	warn "removing commands";
2734	while (my ($k, $v) = each %INC) {	3760	%COMMAND = ();
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3761
		3762	warn "removing ext/exti commands";
		3763	%EXTCMD = ();
		3764	%EXTICMD = ();
		3765
		3766	warn "unloading/nuking all extensions";
		3767	for my $pkg (@EXTS) {
2737	warn "... unloading $k";	3768	warn "... unloading $pkg";
2738	delete $INC{$k};
2739		3769
2740	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;
2742
2743	if (my $cb = $k->can ("unload_module")) {	3770	if (my $cb = $pkg->can ("unload")) {
		3771	eval {
2744	$cb->();	3772	$cb->($pkg);
		3773	1
		3774	} or warn "$pkg unloaded, but with errors: $@";
		3775	}
		3776
		3777	warn "... clearing $pkg";
		3778	clear_package $pkg;
2745	}	3779	}
2746		3780
2747	Symbol::delete_package $k;	3781	warn "unloading all perl modules loaded from $LIBDIR";
		3782	while (my ($k, $v) = each %INC) {
		3783	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3784
		3785	warn "... unloading $k";
		3786	delete $INC{$k};
		3787
		3788	$k =~ s/\.pm$//;
		3789	$k =~ s/\//::/g;
		3790
		3791	if (my $cb = $k->can ("unload_module")) {
		3792	$cb->();
		3793	}
		3794
		3795	clear_package $k;
2748	}	3796	}
2749		3797
2750	warn "getting rid of safe::, as good as possible";	3798	warn "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3799	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3800	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3801
2754	warn "unloading cf.pm \"a bit\"";	3802	warn "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3803	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3804	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3805
2758	# don't, removes xs symbols, too,	3806	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3807	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3808	#clear_package __PACKAGE__;
2761		3809
2762	warn "unload completed, starting to reload now";	3810	warn "unload completed, starting to reload now";
2763		3811
2764	warn "reloading cf.pm";	3812	warn "reloading cf.pm";
2765	require cf;	3813	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3814	cf::_connect_to_perl_1;
2767		3815
2768	warn "loading config and database again";	3816	warn "loading config and database again";
2769	cf::cfg_load;	3817	cf::reload_config;
2770		3818
2771	warn "loading extensions";	3819	warn "loading extensions";
2772	cf::load_extensions;	3820	cf::load_extensions;
2773		3821
		3822	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	3823	warn "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3824	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3825	warn "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3826	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3827	warn "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3828	reattach $_ for values %PLAYER;
		3829	}
2780		3830
		3831	warn "running post_init jobs";
		3832	(pop @POST_INIT)->(1) while @POST_INIT;
		3833
2781	warn "leaving sync_job";	3834	warn "leaving sync_job";
2782		3835
2783	1	3836	1
2784	} or do {	3837	} or do {
2785	warn $@;	3838	warn $@;
2786	warn "error while reloading, exiting.";	3839	cf::cleanup "error while reloading, exiting.";
2787	exit 1;
2788	};	3840	};
2789		3841
2790	warn "reloaded";	3842	warn "reloaded";
		3843	--$RELOAD;
		3844	}
		3845
		3846	$t1 = EV::time - $t1;
		3847	warn "reload completed in ${t1}s\n";
2791	};	3848	};
2792		3849
2793	our $RELOAD_WATCHER; # used only during reload	3850	our $RELOAD_WATCHER; # used only during reload
2794		3851
2795	sub reload_perl() {	3852	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3853	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3854	# coro crashes during coro_state_free->destroy here.
2798		3855
2799	$RELOAD_WATCHER ||= Event->timer (	3856	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	3857	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	3858
2802	data => WF_AUTOCANCEL,	3859	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	3860	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3861	undef $RELOAD_WATCHER;
2806	},	3862	};
2807	);	3863	};
2808	}	3864	}
2809		3865
2810	register_command "reload" => sub {	3866	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3867	my ($who, $arg) = @_;
2812		3868
2813	if ($who->flag (FLAG_WIZ)) {	3869	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3870	$who->message ("reloading server.");
		3871	async {
		3872	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3873	reload_perl;
		3874	};
2816	}	3875	}
2817	};	3876	};
2818		3877
2819	unshift @INC, $LIBDIR;	3878	unshift @INC, $LIBDIR;
2820		3879
…		…
2822		3881
2823	our @WAIT_FOR_TICK;	3882	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	3883	our @WAIT_FOR_TICK_BEGIN;
2825		3884
2826	sub wait_for_tick {	3885	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	3886	return if tick_inhibit || $Coro::current == $Coro::main;
2829		3887
2830	my $signal = new Coro::Signal;	3888	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	3889	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	3890	$signal->wait;
2833	}	3891	}
2834		3892
2835	sub wait_for_tick_begin {	3893	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3894	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3895
2839	my $signal = new Coro::Signal;	3896	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3897	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3898	$signal->wait;
2842	}	3899	}
2843		3900
2844	my $min = 1e6;#d#	3901	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	3902	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3903	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	3904	unless ++$bug_warning > 10;
2856	return;	3905	return;
2857	}	3906	}
2858		3907
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	3908	cf::server_tick; # one server iteration
2862		3909
2863	0 && sync_job {#d#	3910	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	3911	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	3912	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3913	$Coro::current->{desc} = "runtime saver";
2867	or die;	3914	write_runtime_sync
2868		3915	or warn "ERROR: unable to write runtime file: $!";
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	3916	};
		3917	}
2885		3918
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3919	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	3920	$sig->send;
2902	}	3921	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	3922	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	3923	$sig->send;
2905	}	3924	}
2906		3925
2907	$NOW = Event::time;	3926	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		3928
2918	_post_tick;	3929	if (0) {
2919		3930	if ($NEXT_TICK) {
2920		3931	my $jitter = $TICK_START - $NEXT_TICK;
		3932	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3933	warn "jitter $JITTER\n";#d#
		3934	}
2921	},	3935	}
2922	);	3936	}
2923		3937
2924	{	3938	{
2925	BDB::max_poll_time $TICK * 0.1;	3939	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	3940
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	3941	BDB::min_parallel 8;
2935		3942	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	3943	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		3944
2951	unless ($DB_ENV) {	3945	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	3946	$DB_ENV = BDB::db_env_create;
		3947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3948	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3949	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3950	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3951	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		3952
2954	cf::sync_job {	3953	cf::sync_job {
2955	eval {	3954	eval {
2956	BDB::db_env_open	3955	BDB::db_env_open
2957	$DB_ENV,	3956	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	3960	0666;
2962		3961
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	3963	};
2968		3964
2969	cf::cleanup "db_env_open(db): $@" if $@;	3965	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	3966	};
2971	}	3967	}
		3968
		3969	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3970	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3971	};
		3972	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3973	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3974	};
		3975	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3976	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3977	};
2972	}	3978	}
2973		3979
2974	{	3980	{
		3981	# configure IO::AIO
		3982
2975	IO::AIO::min_parallel 8;	3983	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	3984	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	3985	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	3986	}
2988		3987
2989	my $_log_backtrace;	3988	my $_log_backtrace;
2990		3989
2991	sub _log_backtrace {	3990	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	3993	$msg =~ s/\n//;
2995		3994
2996	# limit the # of concurrent backtraces	3995	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	3996	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	3997	++$_log_backtrace;
		3998	my $perl_bt = Carp::longmess $msg;
2999	async {	3999	async {
		4000	$Coro::current->{desc} = "abt $msg";
		4001
3000	my @bt = fork_call {	4002	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4003	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4004	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4005	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4006	or die "addr2line: $!";
…		…
3012	}	4014	}
3013		4015
3014	@funcs	4016	@funcs
3015	};	4017	};
3016		4018
3017	LOG llevInfo, "[ABT] $msg\n";	4019	LOG llevInfo, "[ABT] $perl_bt\n";
		4020	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4021	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4022	--$_log_backtrace;
3020	};	4023	};
3021	} else {	4024	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4025	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4026	LOG llevInfo, "[ABT] [suppressed]\n";
3024	}	4027	}
3025	}	4028	}
3026		4029
3027	# load additional modules	4030	# load additional modules
3028	use cf::pod;	4031	require "cf/$_.pm" for @EXTRA_MODULES;
		4032	cf::_connect_to_perl_2;
3029		4033
3030	END { cf::emergency_save }	4034	END { cf::emergency_save }
3031		4035
3032	1	4036	1
3033		4037

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