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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC vs.
Revision 1.510 by root, Tue Apr 6 22:59:28 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
34	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
35		66
36	# configure various modules to our taste	67	# configure various modules to our taste
37	#	68	#
38	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		77
42	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
43		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		80
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
74		112
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	115	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
85		124
86	our %CFG;	125	our %CFG;
87		126
88	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
90		130
91	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
94		134
95	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		137
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
101		147
102	binmode STDOUT;	148	binmode STDOUT;
103	binmode STDERR;	149	binmode STDERR;
104		150
105	# read virtual server time, if available	151	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
110	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
111		159
112	mkdir $_	160	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		162
115	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
116		164
117	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		177
119	#############################################################################	178	#############################################################################
120		179
121	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
122		181
…		…
158		217
159	The raw value load value from the last tick.	218	The raw value load value from the last tick.
160		219
161	=item %cf::CFG	220	=item %cf::CFG
162		221
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	223	from wherever your confdir points to.
165		224
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		226
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		230
172	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
173		232
174	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	235	that call.
177		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
178	=back	243	=back
179		244
180	=cut	245	=cut
181		246
182	BEGIN {	247	$Coro::State::WARNHOOK = sub {
183	*CORE::GLOBAL::warn = sub {
184	my $msg = join "", @_;	248	my $msg = join "", @_;
185		249
186	$msg .= "\n"	250	$msg .= "\n"
187	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
188		252
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		254
191	utf8::encode $msg;
192	LOG llevError, $msg;	255	LOG llevError, $msg;
193	};	256	};
194	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
195		271
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	282	for my $pkg (qw(
207	cf::global cf::attachable	283	cf::global cf::attachable
208	cf::object cf::object::player	284	cf::object cf::object::player
209	cf::client cf::player	285	cf::client cf::player
210	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
211	cf::map cf::party cf::region	288	cf::party cf::region
212	)) {	289	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	291	}
216		292
217	$Event::DIED = sub {	293	$EV::DIED = sub {
218	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
219	};	295	};
220		296
221	#############################################################################	297	#############################################################################
222		298
223	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	322	$d
247	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
248	}	324	}
249		325
250	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
251		327
252	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
253		329
254	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
255		331
256	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
257		333
258	=cut	334	=cut
259		335
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		337
262	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
264		354
265	=item cf::lock_wait $string	355	=item cf::lock_wait $string
266		356
267	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
268		358
269	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
270		360
271	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
274	returned.	364	returned.
275		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
276	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
278		371
279	=item $locked = cf::lock_active $string	372	=item $locked = cf::lock_active $string
280		373
281	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
282		375
283	=cut	376	=cut
284		377
285	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
286		379
287	sub lock_wait($) {	380	sub lock_wait($) {
288	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	382	}
296		383
297	sub lock_acquire($) {	384	sub lock_acquire($) {
298	my ($key) = @_;	385	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	386	}
310		387
311	sub lock_active($) {	388	sub lock_active($) {
312	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	390	}
316		391
317	sub freeze_mainloop {	392	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
319		394
320	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	396	}
322	};	397
323	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
324	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
325	}	411	}
326		412
327	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
328		414
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
337		423
338	=cut	424	=cut
339		425
340	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
342		429
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
345	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
346		436
347	while () {	437	while () {
348	next_job:	438	next_job:
		439
349	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	441
351	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	446	$job->[2]->send;
355	Coro::cede;	447	Coro::cede;
356	goto next_job;	448	goto next_job;
357	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	451	}
359	}	452	}
360		453
361	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	457	$signal->wait;
365	} else {	458	} else {
		459	$busy = 0;
366	Coro::schedule;	460	Coro::schedule;
367	}	461	}
368	}	462	}
369	};	463	};
370		464
371	sub get_slot($;$$) {	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
372	my ($time, $pri, $name) = @_;	468	my ($time, $pri, $name) = @_;
373		469
374	$time = $TICK * .6 if $time > $TICK * .6;	470	$time = clamp $time, 0.01, $TICK * .6;
		471
375	my $sig = new Coro::Signal;	472	my $sig = new Coro::Signal;
376		473
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
…		…
390		487
391	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
392		489
393	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
394		491
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	495	acceptable.
399		496
400	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		503
407	sub sync_job(&) {	504	sub sync_job(&) {
408	my ($job) = @_;	505	my ($job) = @_;
409		506
410	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	508	my $time = EV::time;
412		509
413	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
415		512
416	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	514
418	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
419		516
420	my $busy = 1;	517	my $busy = 1;
421	my @res;	518	my @res;
422		519
423	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	522	@res = eval { $job->() };
425	warn $@ if $@;	523	warn $@ if $@;
426	undef $busy;	524	undef $busy;
427	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
428		526
429	while ($busy) {	527	while ($busy) {
430	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
431	}	532	}
		533	}
432		534
433	$time = Event::time - $time;	535	my $time = EV::time - $time;
434		536
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
439		538
440	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
441	} else {	540	} else {
442	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
443		542
…		…
468	=item fork_call { }, $args	567	=item fork_call { }, $args
469		568
470	Executes the given code block with the given arguments in a seperate	569	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	571	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
474		573
475	=cut	574	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		575
486	sub fork_call(&@) {	576	sub fork_call(&@) {
487	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
488		578
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	579	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	580	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	581	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		582
494	if (my $pid = fork) {	583	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	584	reset_signals;
508	local $SIG{__WARN__};	585	&$cb
509	local $SIG{__DIE__};	586	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		587
516	eval {	588	wantarray ? @res : $res[-1]
517	close $fh1;	589	}
518		590
519	my @res = eval { $cb->(@args) };	591	=item $coin = coin_from_name $name
520		592
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	593	=cut
522	close $fh2;
523	};
524		594
525	warn $@ if $@;	595	our %coin_alias = (
526	_exit 0;	596	"silver" => "silvercoin",
527	}	597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
528	}	616	}
529		617
530	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
531		619
532	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
535		623
536	Stores the given C<$value> in the family. It can currently store binary	624	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
539	=cut	632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
540		650
541	our $DB;	651	our $DB;
542		652
543	sub db_init {	653	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	654	cf::sync_job {
548	eval {	655	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	656	};
558	}	657	}
559		658
560	sub db_get($$) {	659	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
562		661
…		…
612	if (1) {	711	if (1) {
613	$md5 =	712	$md5 =
614	join "\x00",	713	join "\x00",
615	$processversion,	714	$processversion,
616	map {	715	map {
617	Coro::cede;	716	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	717	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	718	} 0.. $#$src;
620		719
621		720
622	my $dbmd5 = db_get cache => "$id/md5";	721	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		759
661	#############################################################################	760	#############################################################################
662		761
663	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
664		763
665	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
668		767
669	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	770	Deliantra).
672		771
673	=over 4	772	=over 4
674		773
675	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
676		775
…		…
720	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
721		820
722	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
724		823
725	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
727		826
728	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
729		828
730	=over 4	829	=over 4
…		…
958	}	1057	}
959		1058
960	0	1059	0
961	}	1060	}
962		1061
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1063
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1065
967	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
968		1067
…		…
974		1073
975	=cut	1074	=cut
976		1075
977	#############################################################################	1076	#############################################################################
978	# object support	1077	# object support
979	#
980		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
981	sub _can_merge {	1112	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1113	my ($ob1, $ob2) = @_;
983		1114
984	local $Storable::canonical = 1;	1115	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1116
988	$fob1 eq $fob2	1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
989	}	1119	}
990		1120
991	sub reattach {	1121	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1123	my ($obj) = @_;
994		1124
		1125	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1127
997	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
998		1129
999	@$registry = ();	1130	@$registry = ();
1000		1131
…		…
1015	cf::attachable->attach (	1146	cf::attachable->attach (
1016	prio => -1000000,	1147	prio => -1000000,
1017	on_instantiate => sub {	1148	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
1019		1150
1020	$data = from_json $data;	1151	$data = decode_json $data;
1021		1152
1022	for (@$data) {	1153	for (@$data) {
1023	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
1024		1155
1025	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1172	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
1043		1174
1044	sync_job {	1175	sync_job {
1045	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1048		1180
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1186	aio_fsync $fh;
		1187	}
1053	close $fh;	1188	aio_close $fh;
1054		1189
1055	if (@$objs) {	1190	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1197	aio_fsync $fh;
		1198	}
1061	close $fh;	1199	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1201	}
1064	} else {	1202	} else {
1065	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1066	}	1204	}
1067		1205
1068	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1210	} else {
1070	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1071	}	1212	}
1072	} else {	1213	} else {
1073	aio_unlink $filename;	1214	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1075	}	1216	}
1076	}	1217	};
1077	}	1218	}
1078		1219
1079	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1081		1222
…		…
1093	or return;	1234	or return;
1094		1235
1095	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1238	or return;
		1239
1098	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1099	}	1242	}
1100		1243
		1244	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
1103	return ($data, $av);	1248	($data, $av)
1104	}	1249	}
1105		1250
1106	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
1107		1252
1108	=over 4	1253	=over 4
…		…
1162	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1163		1308
1164	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1165	}	1310	}
1166		1311
		1312	use File::Glob ();
		1313
1167	cf::player->attach (	1314	cf::player->attach (
1168	on_command => sub {	1315	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1170		1317
1171	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
1172	or return;	1319	or return;
1173		1320
…		…
1181	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
1182		1329
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1331
1185	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
1187	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
1188	$pl->ext_reply ($msg->{msgid}, %reply);
1189	}
1190	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
1191	} else {	1347	} else {
1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1193	}	1349	}
1194		1350
1195	cf::override;	1351	cf::override;
1196	},	1352	},
1197	);	1353	);
		1354
		1355	# "readahead" all extensions
		1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
		1358
		1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
		1364
		1365	$grp
		1366	}
1198		1367
1199	sub load_extensions {	1368	sub load_extensions {
1200	cf::sync_job {	1369	cf::sync_job {
1201	my %todo;	1370	my %todo;
1202		1371
…		…
1222		1391
1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1225		1394
1226	$ext{source} =	1395	$ext{source} =
1227	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1228	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1229	. $source	1398	. $source
1230	. "\n};\n1";	1399	. "\n};\n1";
1231		1400
1232	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1233	}	1402	}
1234		1403
		1404	my $pass = 0;
1235	my %done;	1405	my %done;
1236	while (%todo) {	1406	while (%todo) {
1237	my $progress;	1407	my $progress;
1238		1408
		1409	++$pass;
		1410
		1411	ext:
1239	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1240	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1241	goto skip	1414	next ext
1242	unless exists $done{$_};	1415	unless exists $done{$_};
1243	}	1416	}
1244		1417
1245	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1246		1419
1247	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1248	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1249	: "$v->{base}: extension inactive.\n";
1250		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1251	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1252	warn $msg;	1427	} else {
1253	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1254	exit 1;	1429	push @EXTS, $v->{pkg};
1255	}	1430	$progress = 1;
1256		1431
1257	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1258	}	1434	}
1259
1260	$done{$k} = delete $todo{$k};
1261	push @EXTS, $v->{pkg};
1262	$progress = 1;
1263	}	1435	}
1264		1436
1265	skip:	1437	unless ($progress) {
1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1267	unless $progress;	1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
1268	}	1445	}
1269	};	1446	};
1270	}	1447	}
1271		1448
1272	#############################################################################	1449	#############################################################################
1273		1450
1274	=back	1451	=back
1275		1452
1276	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1277		1454
1278	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1279		1456
1280	=cut	1457	=cut
1281		1458
1282	package cf::player;	1459	package cf::player;
1283		1460
1284	use Coro::AIO;	1461	use Coro::AIO;
1285		1462
1286	=head3 cf::player	1463	=head3 cf::player
1287		1464
1288	=over 4	1465	=over 4
		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
1289		1480
1290	=item cf::player::find $login	1481	=item cf::player::find $login
1291		1482
1292	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1293		1484
…		…
1312		1503
1313	sub exists($) {	1504	sub exists($) {
1314	my ($login) = @_;	1505	my ($login) = @_;
1315		1506
1316	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1317	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1318	}	1509	}
1319		1510
1320	sub find($) {	1511	sub find($) {
1321	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1322	my $login = $_[0];	1513	my $login = $_[0];
…		…
1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1332	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1333		1524
1334	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1335	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
1336	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1337	}	1534	}
1338	}	1535	}
1339	}	1536	}
1340		1537
…		…
1349	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1350		1547
1351	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1352	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1353		1550
		1551	cf::get_slot 0.01;
		1552
1354	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1355	Coro::cede;	1554	cf::cede_to_tick;
1356	}	1555	}
1357		1556
1358	sub new($) {	1557	sub new($) {
1359	my ($login) = @_;	1558	my ($login) = @_;
1360		1559
…		…
1366	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1367		1566
1368	$self	1567	$self
1369	}	1568	}
1370		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
1371	=item $pl->quit_character	1580	=item $pl->quit_character
1372		1581
1373	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1374	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1375		1584
…		…
1379	my ($pl) = @_;	1588	my ($pl) = @_;
1380		1589
1381	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1382		1591
1383	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1384	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1385		1594
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1387	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1389	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1390		1601
1391	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1428	or return [];	1639	or return [];
1429		1640
1430	my @logins;	1641	my @logins;
1431		1642
1432	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1433	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1434	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1435	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1436		1653
1437	utf8::decode $login;	1654	utf8::decode $login;
1438	push @logins, $login;	1655	push @logins, $login;
1439	}	1656	}
1440		1657
…		…
1467	}	1684	}
1468		1685
1469	\@paths	1686	\@paths
1470	}	1687	}
1471		1688
1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1473		1690
1474	Expand crossfire pod fragments into protocol xml.	1691	Expand deliantra pod fragments into protocol xml.
1475		1692
1476	=cut
1477
1478	sub expand_cfpod {
1479	((my $self), (local $_)) = @_;
1480
1481	# escape & and <
1482	s/&/&amp;/g;
1483	s/(?<![BIUGH])</&lt;/g;
1484
1485	# this is buggy, it needs to properly take care of nested <'s
1486
1487	1 while
1488	# replace B<>, I<>, U<> etc.
1489	s/B<([^\>]*)>/<b>$1<\/b>/
1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
1492	# replace G<male|female> tags
1493	|| s{G<([^>|]*)\|([^>]*)>}{
1494	$self->gender ? $2 : $1
1495	}ge
1496	# replace H<hint text>
1497	|| s{H<([^\>]*)>}
1498	{
1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1501	"")
1502	[$self->{hintmode}]
1503	}ge;
1504
1505	# create single paragraphs (very hackish)
1506	s/(?<=\S)\n(?=\w)/ /g;
1507
1508	# compress some whitespace
1509	s/\s+\n/\n/g; # ws line-ends
1510	s/\n\n+/\n/g; # double lines
1511	s/^\n+//; # beginning lines
1512	s/\n+$//; # ending lines
1513
1514	$_
1515	}
1516
1517	sub hintmode {
1518	$_[0]{hintmode} = $_[1] if @_ > 1;
1519	$_[0]{hintmode}
1520	}
1521
1522	=item $player->ext_reply ($msgid, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1523		1694
1524	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1525		1696
1526	=cut	1697	=cut
1527		1698
1528	sub ext_reply($$%) {	1699	sub ext_reply($$@) {
1529	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1530		1701
1531	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1533	}	1703	}
1534		1704
1535	=item $player->ext_event ($type, %msg)	1705	=item $player->ext_msg ($type, @msg)
1536		1706
1537	Sends an ext event to the client.	1707	Sends an ext event to the client.
1538		1708
1539	=cut	1709	=cut
1540		1710
1541	sub ext_event($$%) {	1711	sub ext_msg($$@) {
1542	my ($self, $type, %msg) = @_;	1712	my ($self, $type, @msg) = @_;
1543		1713
1544	$self->ns->ext_event ($type, %msg);	1714	$self->ns->ext_msg ($type, @msg);
1545	}	1715	}
1546		1716
1547	=head3 cf::region	1717	=head3 cf::region
1548		1718
1549	=over 4	1719	=over 4
…		…
1593	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1594	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1595		1765
1596	sub generate_random_map {	1766	sub generate_random_map {
1597	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1598	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1599	$self->_create_random_map (	1772	$self->_create_random_map (
1600	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1601	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1602	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1603	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1604	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1605	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1606	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1724		1897
1725	# the temporary/swap location	1898	# the temporary/swap location
1726	sub save_path {	1899	sub save_path {
1727	my ($self) = @_;	1900	my ($self) = @_;
1728		1901
1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1730	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1731	}	1904	}
1732		1905
1733	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1734	sub uniq_path {	1907	sub uniq_path {
1735	my ($self) = @_;	1908	my ($self) = @_;
1736		1909
1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1738	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1739	}
1740
1741	# and all this just because we cannot iterate over
1742	# all maps in C++...
1743	sub change_all_map_light {
1744	my ($change) = @_;
1745
1746	$_->change_map_light ($change)
1747	for grep $_->outdoor, values %cf::MAP;
1748	}	1912	}
1749		1913
1750	sub decay_objects {	1914	sub decay_objects {
1751	my ($self) = @_;	1915	my ($self) = @_;
1752		1916
…		…
1765		1929
1766	sub load_header_from($) {	1930	sub load_header_from($) {
1767	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1768		1932
1769	utf8::encode $path;	1933	utf8::encode $path;
1770	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1771	# or return;
1772
1773	$self->_load_header ($path)
1774	or return;	1935	or return;
		1936
		1937	$self->_load_header ($f)
		1938	or return;
		1939
		1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
1775		1942
1776	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1777		1944
1778	1	1945	1
1779	}	1946	}
…		…
1833	sub find {	2000	sub find {
1834	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1835		2002
1836	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1837		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1838	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1839		2007
1840	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1841	my $guard = cf::lock_acquire "map_find:$path";
1842	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1843	or return;	2010	or return;
1844		2011
1845	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1846		2013
…		…
1848	or return;	2015	or return;
1849		2016
1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1851	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1852	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1853	$map->reset;	2022	$map->reset;
1854	undef $guard;
1855	return find $path;	2023	return find $path;
1856	}	2024	}
1857		2025
1858	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1859	}	2027	}
1860	}	2028	}
1861		2029
1862	sub pre_load { }	2030	sub pre_load { }
1863	sub post_load { }	2031	#sub post_load { } # XS
1864		2032
1865	sub load {	2033	sub load {
1866	my ($self) = @_;	2034	my ($self) = @_;
1867		2035
1868	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1869		2037
1870	my $path = $self->{path};	2038	my $path = $self->{path};
1871		2039
1872	{	2040	{
1873	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1874		2042
		2043	return unless $self->valid;
1875	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1876		2045
1877	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1878		2047
1879	$self->alloc;	2048	$self->alloc;
1880		2049
1881	$self->pre_load;	2050	$self->pre_load;
1882	Coro::cede;	2051	cf::cede_to_tick;
1883		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
1884	$self->_load_objects ($self->{load_path}, 1)	2055	$self->_load_objects ($f)
1885	or return;	2056	or return;
1886		2057
1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1888	if delete $self->{load_original};	2059	if delete $self->{load_original};
1889		2060
1890	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1891	utf8::encode $uniq;	2062	utf8::encode $uniq;
1892	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1893	$self->clear_unique_items;	2065	$self->clear_unique_items;
1894	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1895	}	2069	}
1896	}	2070	}
1897		2071
1898	Coro::cede;	2072	$f->resolve_delayed_derefs;
		2073
		2074	cf::cede_to_tick;
1899	# now do the right thing for maps	2075	# now do the right thing for maps
1900	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1901	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1902	unless $self->difficulty;	2078	unless $self->difficulty;
1903	Coro::cede;	2079	cf::cede_to_tick;
1904		2080
1905	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
1906	$self->decay_objects;	2082	$self->decay_objects;
1907	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
1908	$self->update_buttons;	2084	$self->update_buttons;
1909	Coro::cede;	2085	cf::cede_to_tick;
1910	$self->set_darkness_map;
1911	Coro::cede;
1912	$self->activate;	2086	$self->activate;
1913	}	2087	}
1914		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
1915	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1916	}	2093	}
1917		2094
1918	$self->post_load;	2095	$self->post_load;
1919	}	2096	}
1920		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1921	sub customise_for {	2101	sub customise_for {
1922	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1923		2103
1924	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1925	if $self->per_player;	2105	if $self->per_player;
…		…
1929		2109
1930	$self	2110	$self
1931	}	2111	}
1932		2112
1933	# find and load all maps in the 3x3 area around a map	2113	# find and load all maps in the 3x3 area around a map
1934	sub load_diag {	2114	sub load_neighbours {
1935	my ($map) = @_;	2115	my ($map) = @_;
1936		2116
1937	my @diag; # diagonal neighbours	2117	my @neigh; # diagonal neighbours
1938		2118
1939	for (0 .. 3) {	2119	for (0 .. 3) {
1940	my $neigh = $map->tile_path ($_)	2120	my $neigh = $map->tile_path ($_)
1941	or next;	2121	or next;
1942	$neigh = find $neigh, $map	2122	$neigh = find $neigh, $map
1943	or next;	2123	or next;
1944	$neigh->load;	2124	$neigh->load;
1945		2125
		2126	push @neigh,
1946	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1947	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1948	}	2129	}
1949		2130
1950	for (@diag) {	2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
1951	my $neigh = find @$_	2133	my $neigh = find $path, $origin
1952	or next;	2134	or next;
1953	$neigh->load;	2135	$neigh->load;
1954	}	2136	}
1955	}	2137	}
1956		2138
…		…
1961	}	2143	}
1962		2144
1963	sub do_load_sync {	2145	sub do_load_sync {
1964	my ($map) = @_;	2146	my ($map) = @_;
1965		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1966	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
1967	}	2152	}
1968		2153
1969	our %MAP_PREFETCH;	2154	our %MAP_PREFETCH;
1970	our $MAP_PREFETCHER = undef;	2155	our $MAP_PREFETCHER = undef;
1971		2156
1972	sub find_async {	2157	sub find_async {
1973	my ($path, $origin) = @_;	2158	my ($path, $origin, $load) = @_;
1974		2159
1975	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
1976		2161
1977	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
1978	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1979	}	2164	}
1980		2165
1981	undef $MAP_PREFETCH{$path};	2166	$MAP_PREFETCH{$path} |= $load;
		2167
1982	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
1983	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
1984	for my $path (keys %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $path) {	2173	if (my $map = find $k) {
1986	$map->load;	2174	$map->load if $v;
1987	}	2175	}
1988		2176
1989	delete $MAP_PREFETCH{$path};	2177	delete $MAP_PREFETCH{$k};
1990	}	2178	}
1991	}	2179	}
1992	undef $MAP_PREFETCHER;	2180	undef $MAP_PREFETCHER;
1993	};	2181	};
1994	$MAP_PREFETCHER->prio (6);	2182	$MAP_PREFETCHER->prio (6);
…		…
1997	}	2185	}
1998		2186
1999	sub save {	2187	sub save {
2000	my ($self) = @_;	2188	my ($self) = @_;
2001		2189
2002	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
2003		2191
2004	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
2005		2193
2006	return unless $self->dirty;	2194	return unless $self->dirty;
2007		2195
…		…
2013	return if $self->{deny_save};	2201	return if $self->{deny_save};
2014		2202
2015	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
2016		2204
2017	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
2019	};	2208	};
		2209
		2210	cf::get_slot 0.02;
2020		2211
2021	if ($uniq) {	2212	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2215	} else {
…		…
2030	my ($self) = @_;	2221	my ($self) = @_;
2031		2222
2032	# save first because save cedes	2223	# save first because save cedes
2033	$self->save;	2224	$self->save;
2034		2225
2035	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2227
2037	return if $self->players;	2228	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
2039	return if $self->{deny_save};	2230	return if $self->{deny_save};
2040		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
2041	$self->clear;	2236	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2237	}
2044		2238
2045	sub reset_at {	2239	sub reset_at {
2046	my ($self) = @_;	2240	my ($self) = @_;
2047		2241
…		…
2065		2259
2066	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
2067		2261
2068	return if $self->players;	2262	return if $self->players;
2069		2263
2070	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
2071		2265
2072	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
2073		2267
2074	# need to save uniques path	2268	# need to save uniques path
2075	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
2079	if $uniq;	2273	if $uniq;
2080	}	2274	}
2081		2275
2082	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
2083		2277
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2280	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2281
2088	$self->unlink_save;	2282	$self->unlink_save;
2089	$self->destroy;	2283	$self->destroy;
2090	}	2284	}
2091		2285
2092	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
2093		2287
2094	sub nuke {	2288	sub nuke {
2095	my ($self) = @_;	2289	my ($self) = @_;
2096		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
2097	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
2098		2295
2099	$self->unlink_save;	2296	$self->unlink_save;
2100		2297
2101	bless $self, "cf::map";	2298	bless $self, "cf::map";
2102	delete $self->{deny_reset};	2299	delete $self->{deny_reset};
2103	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
2104	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
2105	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2106		2303
2107	$cf::MAP{$self->path} = $self;	2304	$cf::MAP{$self->path} = $self;
		2305	}
2108		2306
2109	$self->reset; # polite request, might not happen	2307	$self->reset; # polite request, might not happen
2110	}	2308	}
2111		2309
2112	=item $maps = cf::map::tmp_maps	2310	=item $maps = cf::map::tmp_maps
…		…
2154		2352
2155	sub unique_maps() {	2353	sub unique_maps() {
2156	[	2354	[
2157	map {	2355	map {
2158	utf8::decode $_;	2356	utf8::decode $_;
2159	/\.map$/	2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
2160	? normalise $_	2360	: normalise $_
2161	: ()
2162	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
2163	]	2362	]
2164	}	2363	}
2165		2364
2166	package cf;	2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
2167		2396
2168	=back	2397	=back
2169		2398
2170	=head3 cf::object	2399	=head3 cf::object
2171		2400
…		…
2175		2404
2176	=over 4	2405	=over 4
2177		2406
2178	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
2179		2408
2180	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
2181		2411
2182	=cut	2412	=cut
2183		2413
2184	sub inv_recursive_;	2414	sub inv_recursive_;
2185	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
2188		2418
2189	sub inv_recursive {	2419	sub inv_recursive {
2190	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
2191	}	2421	}
2192		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
2193	package cf;	2451	package cf;
2194		2452
2195	=back	2453	=back
2196		2454
2197	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
2203	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2204	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
2205	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
2206		2464
2207	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
2208		2480
2209	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
2210	# with dialog boxes.	2482	# with dialog boxes.
2211	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
2212	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
2219		2491
2220	} else {	2492	} else {
2221	my $pl = $self->contr;	2493	my $pl = $self->contr;
2222		2494
2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2224	my $diag = $pl->{npc_dialog};	2496	my $dialog = $pl->{npc_dialog};
2225	$diag->{pl}->ext_reply (	2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2226	$diag->{id},
2227	msgtype => "reply",
2228	msg => $diag->{pl}->expand_cfpod ($msg),
2229	add_topics => []
2230	);
2231		2498
2232	} else {	2499	} else {
2233	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
2234	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2235	}	2502	}
2236	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
2237	}	2514	}
2238		2515
2239	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
2240		2517
2241	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
2254		2531
2255	=item $player_object->enter_link	2532	=item $player_object->enter_link
2256		2533
2257	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
2258		2535
2259	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
2260	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
2261		2540
2262	Will never block.	2541	Will never block.
2263		2542
2264	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
2265		2544
…		…
2317	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2318	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2319		2598
2320	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2321	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2322	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2323		2602
2324	$map->load;	2603	$map->load;
2325	$map->load_diag;	2604	$map->load_neighbours;
2326		2605
2327	return unless $self->contr->active;	2606	return unless $self->contr->active;
2328	$self->activate_recursive;
2329		2607
2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2331	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
2332	}	2613	}
2333		2614
2334	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2335		2616
2336	Moves the player to the given map-path and coordinates by first freezing	2617	Moves the player to the given map-path and coordinates by first freezing
2337	her, loading and preparing them map, calling the provided $check callback	2618	her, loading and preparing them map, calling the provided $check callback
2338	that has to return the map if sucecssful, and then unfreezes the player on	2619	that has to return the map if sucecssful, and then unfreezes the player on
2339	the new (success) or old (failed) map position. In either case, $done will	2620	the new (success) or old (failed) map position. In either case, $done will
2340	be called at the end of this process.	2621	be called at the end of this process.
2341		2622
		2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
		2625
2342	=cut	2626	=cut
2343		2627
2344	our $GOTOGEN;	2628	our $GOTOGEN;
2345		2629
2346	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
…		…
2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2351		2635
2352	$self->enter_link;	2636	$self->enter_link;
2353		2637
2354	(async {	2638	(async {
		2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
		2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
2355	my $map = eval {	2660	my $map = eval {
2356	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
2357		2662
2358	if ($map) {	2663	if ($map) {
2359	$map = $map->customise_for ($self);	2664	$map = $map->customise_for ($self);
2360	$map = $check->($map) if $check && $map;	2665	$map = $check->($map) if $check && $map;
2361	} else {	2666	} else {
2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2363	}	2668	}
2364		2669
2365	$map	2670	$map
2366	};	2671	};
2367		2672
…		…
2403	}	2708	}
2404		2709
2405	sub prepare_random_map {	2710	sub prepare_random_map {
2406	my ($exit) = @_;	2711	my ($exit) = @_;
2407		2712
2408	my $guard = cf::lock_acquire "exit_prepare:$exit";
2409
2410	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
2411	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
2412	# that depends on the exit object	2715	# that depends on the exit object
2413		2716
2414	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
2416	if ($exit->map) {	2719	if ($exit->map) {
2417	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
2418	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
2419	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
2420	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
2421	}	2726	}
2422		2727
2423	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
2424		2729
2425	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2426	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
2427	my $meta = "$RANDOMDIR/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
2428		2733
2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2430	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
2431	undef $fh;	2736	undef $fh;
2432	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
2433		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
2434	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2435	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2436	}	2745	}
2437	}	2746	}
2438		2747
2439	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2440	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2441		2750
2442	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2443		2752
2444	if ($exit->slaying eq "/!") {
2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
2446	# the problem is that $exit might not survive long enough
2447	# so it needs to be done right now, right here
2448	cf::sync_job { prepare_random_map $exit };
2449	}
2450
2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2452	my $hp = $exit->stats->hp;
2453	my $sp = $exit->stats->sp;
2454
2455	$self->enter_link;	2753	$self->enter_link;
2456		2754
2457	# if exit is damned, update players death & WoR home-position
2458	$self->contr->savebed ($slaying, $hp, $sp)
2459	if $exit->flag (FLAG_DAMNED);
2460
2461	(async {	2755	(async {
2462	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
2463	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
2464	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2465		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
2466	1;	2779	1
2467	}) {	2780	}) {
2468	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2469	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
2470	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2471	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2472		2785
2473	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2490	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
2491	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
2492		2805
2493	utf8::encode $text;	2806	utf8::encode $text;
2494	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2808	}
		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
2495	}	2833	}
2496		2834
2497	=item $client->send_msg ($channel, $msg, $color, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2498		2836
2499	Send a drawinfo or msg packet to the client, formatting the msg for the	2837	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2501	the message, with C<log> being the default. If C<$color> is negative, suppress	2839	the message, with C<log> being the default. If C<$color> is negative, suppress
2502	the message unless the client supports the msg packet.	2840	the message unless the client supports the msg packet.
2503		2841
2504	=cut	2842	=cut
2505		2843
		2844	# non-persistent channels (usually the info channel)
		2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
		2852	"c/identify" => {
		2853	id => "infobox",
		2854	title => "Identify",
		2855	reply => undef,
		2856	tooltip => "Items recently identified",
		2857	},
		2858	"c/examine" => {
		2859	id => "infobox",
		2860	title => "Examine",
		2861	reply => undef,
		2862	tooltip => "Signs and other items you examined",
		2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
		2956	);
		2957
2506	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2507	my ($self, $channel, $msg, $color, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2508		2960
2509	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
2510		2963
2511	$color &= ~cf::NDI_UNIQUE; # just in case...	2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
2512		2965
		2966	# check predefined channels, for the benefit of C
		2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
2513	if (ref $channel) {	2973	} elsif (ref $channel) {
2514	# send meta info to client, if not yet sent	2974	# send meta info to client, if not yet sent
2515	unless (exists $self->{channel}{$channel->{id}}) {	2975	unless (exists $self->{channel}{$channel->{id}}) {
2516	$self->{channel}{$channel->{id}} = $channel;	2976	$self->{channel}{$channel->{id}} = $channel;
2517	$self->ext_event (channel_info => %$channel);	2977	$self->ext_msg (channel_info => $channel);
2518	}	2978	}
2519		2979
2520	$channel = $channel->{id};	2980	$channel = $channel->{id};
2521	}	2981	}
2522		2982
2523	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2524		2984
2525	if ($self->can_msg) {	2985	# default colour, mask it out
2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527	} else {	2987	if $color & cf::NDI_DEF;
2528	# replace some tags by gcfclient-compatible ones
2529	for ($msg) {
2530	1 while
2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536	}
2537		2988
2538	if ($color >= 0) {	2989	my $pkt = "msg "
2539	if (0 && $msg =~ /\[/) {	2990	. $self->{json_coder}->encode (
2540	$self->send_packet ("drawextinfo $color 4 0 $msg")	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541	} else {	2992	);
2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2543	$self->send_packet ("drawinfo $color $msg")
2544	}
2545	}
2546	}
2547	}
2548		2993
		2994	$self->send_big_packet ($pkt);
		2995	}
		2996
2549	=item $client->ext_event ($type, %msg)	2997	=item $client->ext_msg ($type, @msg)
2550		2998
2551	Sends an ext event to the client.	2999	Sends an ext event to the client.
2552		3000
2553	=cut	3001	=cut
2554		3002
2555	sub cf::client::ext_event($$%) {	3003	sub cf::client::ext_msg($$@) {
2556	my ($self, $type, %msg) = @_;	3004	my ($self, $type, @msg) = @_;
2557		3005
2558	return unless $self->extcmd;	3006	if ($self->extcmd == 2) {
2559		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
2560	$msg{msgtype} = "event_$type";	3009	push @msg, msgtype => "event_$type";
2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
		3013
		3014	=item $client->ext_reply ($msgid, @msg)
		3015
		3016	Sends an ext reply to the client.
		3017
		3018	=cut
		3019
		3020	sub cf::client::ext_reply($$@) {
		3021	my ($self, $id, @msg) = @_;
		3022
		3023	if ($self->extcmd == 2) {
		3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3025	} elsif ($self->extcmd == 1) {
		3026	#TODO: version 1, remove
		3027	unshift @msg, msgtype => "reply", msgid => $id;
		3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3029	}
2562	}	3030	}
2563		3031
2564	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2565		3033
2566	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
…		…
2621	my ($ns, $buf) = @_;	3089	my ($ns, $buf) = @_;
2622		3090
2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3091	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2624		3092
2625	if (ref $msg) {	3093	if (ref $msg) {
		3094	my ($type, $reply, @payload) =
		3095	"ARRAY" eq ref $msg
		3096	? @$msg
		3097	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3098
		3099	my @reply;
		3100
2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3101	if (my $cb = $EXTICMD{$type}) {
2627	if (my %reply = $cb->($ns, $msg)) {	3102	@reply = $cb->($ns, @payload);
2628	$reply{msgid} = $msg->{msgid};
2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2630	}
2631	}	3103	}
		3104
		3105	$ns->ext_reply ($reply, @reply)
		3106	if $reply;
		3107
2632	} else {	3108	} else {
2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3109	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2634	}	3110	}
2635		3111
2636	cf::override;	3112	cf::override;
…		…
2658		3134
2659	$coro	3135	$coro
2660	}	3136	}
2661		3137
2662	cf::client->attach (	3138	cf::client->attach (
2663	on_destroy => sub {	3139	on_client_destroy => sub {
2664	my ($ns) = @_;	3140	my ($ns) = @_;
2665		3141
2666	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3142	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2667	},	3143	},
2668	);	3144	);
…		…
2683	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
2684	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2685		3161
2686	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2687		3163
2688	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3164	$safe->permit_only (Opcode::opset qw(
		3165	:base_core :base_mem :base_orig :base_math :base_loop
		3166	grepstart grepwhile mapstart mapwhile
		3167	sort time
		3168	));
2689		3169
2690	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
2691		3171
2692	=pod	3172	=pod
2693		3173
2694	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2695		3175
2696	cf::object	3176	cf::object
2697	contr pay_amount pay_player map x y force_find force_add	3177	contr pay_amount pay_player map x y force_find force_add destroy
2698	insert remove	3178	insert remove name archname title slaying race decrease split
		3179	value
2699		3180
2700	cf::object::player	3181	cf::object::player
2701	player	3182	player
2702		3183
2703	cf::player	3184	cf::player
…		…
2708		3189
2709	=cut	3190	=cut
2710		3191
2711	for (	3192	for (
2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2713	insert remove)],	3194	insert remove inv nrof name archname title slaying race
		3195	decrease split destroy change_exp value msg lore send_msg)],
2714	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2715	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2716	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2717	) {	3199	) {
2718	no strict 'refs';	3200	no strict 'refs';
2719	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2720	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2738		3220
2739	my $qcode = $code;	3221	my $qcode = $code;
2740	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2741	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2742		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2743	local $_;	3228	local $_;
2744	local @safe::cf::_safe_eval_args = values %vars;
2745		3229
2746	my $eval =	3230	my $eval =
2747	"do {\n"	3231	"do {\n"
2748	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2749	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2750	. $code	3234	. $code
2751	. "\n}"	3235	. "\n}"
2752	;	3236	;
2753		3237
		3238	if ($CFG{safe_eval}) {
2754	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2755	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2756	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2757		3247
2758	if ($@) {	3248	if ($@) {
2759	warn "$@";	3249	warn "$@";
2760	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2761	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2780	=cut	3270	=cut
2781		3271
2782	sub register_script_function {	3272	sub register_script_function {
2783	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2784		3274
2785	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2786	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2787	}	3277	}
2788		3278
2789	=back	3279	=back
2790		3280
2791	=cut	3281	=cut
…		…
2793	#############################################################################	3283	#############################################################################
2794	# the server's init and main functions	3284	# the server's init and main functions
2795		3285
2796	sub load_facedata($) {	3286	sub load_facedata($) {
2797	my ($path) = @_;	3287	my ($path) = @_;
		3288
		3289	# HACK to clear player env face cache, we need some signal framework
		3290	# for this (global event?)
		3291	%ext::player_env::MUSIC_FACE_CACHE = ();
		3292
		3293	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2798		3294
2799	warn "loading facedata from $path\n";	3295	warn "loading facedata from $path\n";
2800		3296
2801	my $facedata;	3297	my $facedata;
2802	0 < aio_load $path, $facedata	3298	0 < aio_load $path, $facedata
…		…
2805	$facedata = Coro::Storable::thaw $facedata;	3301	$facedata = Coro::Storable::thaw $facedata;
2806		3302
2807	$facedata->{version} == 2	3303	$facedata->{version} == 2
2808	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2809		3305
		3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3308	$facedata->{resource}{"res/exp_table"} = {
		3309	type => FT_RSRC,
		3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
		3312	};
		3313	cf::cede_to_tick;
		3314
2810	{	3315	{
2811	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
2812		3317
2813	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
2815	cf::face::set_visibility $idx, $info->{visibility};	3321	cf::face::set_visibility $idx, $info->{visibility};
2816	cf::face::set_magicmap $idx, $info->{magicmap};	3322	cf::face::set_magicmap $idx, $info->{magicmap};
2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2819		3325
2820	cf::cede_to_tick;	3326	cf::cede_to_tick;
2821	}	3327	}
2822		3328
2823	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
2824	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
2825	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
2826	or next;	3333	or next;
		3334
2827	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
2828	cf::face::set_smooth $idx, $smooth;	3336	cf::face::set_smooth $idx, $smooth;
2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2830	} else {	3338	} else {
2831	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2845		3353
2846	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
2847	}	3355	}
2848		3356
2849	{	3357	{
2850	# TODO: for gcfclient pleasure, we should give resources
2851	# that gcfclient doesn't grok a >10000 face index.
2852	my $res = $facedata->{resource};	3358	my $res = $facedata->{resource};
2853	my $enc = JSON::XS->new->utf8->canonical;
2854		3359
2855	while (my ($name, $info) = each %$res) {	3360	while (my ($name, $info) = each %$res) {
2856	my $meta = $enc->encode ({	3361	if (defined $info->{type}) {
2857	name => $name,
2858	type => $info->{type},
2859	copyright => $info->{copyright}, #TODO#
2860	});
2861
2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2863		3363
2864	if ($name =~ /\.jpg$/) {
2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3365	cf::face::set_type $idx, $info->{type};
2867	} else {	3366	} else {
2868	my $data = pack "(w/a*)*", $meta, $info->{data};	3367	$RESOURCE{$name} = $info;
2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2870
2871	cf::face::set_type $idx, 1;
2872	cf::face::set_data $idx, 0, $data, $chk;
2873	}	3368	}
2874		3369
2875	cf::cede_to_tick;	3370	cf::cede_to_tick;
2876	}	3371	}
2877	}	3372	}
2878		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3375
2879	1	3376	1
2880	}	3377	}
2881		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
		3398
		3399	register_exticmd fx_want => sub {
		3400	my ($ns, $want) = @_;
		3401
		3402	while (my ($k, $v) = each %$want) {
		3403	$ns->fx_want ($k, $v);
		3404	}
		3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
		3416
2882	sub reload_regions {	3417	sub reload_regions {
		3418	# HACK to clear player env face cache, we need some signal framework
		3419	# for this (global event?)
		3420	%ext::player_env::MUSIC_FACE_CACHE = ();
		3421
2883	load_resource_file "$MAPDIR/regions"	3422	load_resource_file "$MAPDIR/regions"
2884	or die "unable to load regions file\n";	3423	or die "unable to load regions file\n";
2885		3424
2886	for (cf::region::list) {	3425	for (cf::region::list) {
2887	$_->{match} = qr/$_->{match}/	3426	$_->{match} = qr/$_->{match}/
…		…
2895	}	3434	}
2896		3435
2897	sub reload_archetypes {	3436	sub reload_archetypes {
2898	load_resource_file "$DATADIR/archetypes"	3437	load_resource_file "$DATADIR/archetypes"
2899	or die "unable to load archetypes\n";	3438	or die "unable to load archetypes\n";
2900	#d# NEED to laod twice to resolve forward references
2901	# this really needs to be done in an extra post-pass
2902	# (which needs to be synchronous, so solve it differently)
2903	load_resource_file "$DATADIR/archetypes"
2904	or die "unable to load archetypes\n";
2905	}	3439	}
2906		3440
2907	sub reload_treasures {	3441	sub reload_treasures {
2908	load_resource_file "$DATADIR/treasures"	3442	load_resource_file "$DATADIR/treasures"
2909	or die "unable to load treasurelists\n";	3443	or die "unable to load treasurelists\n";
2910	}	3444	}
2911		3445
2912	sub reload_resources {	3446	sub reload_resources {
2913	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
2914		3448
		3449	reload_facedata;
		3450	reload_archetypes;
2915	reload_regions;	3451	reload_regions;
2916	reload_facedata;
2917	#reload_archetypes;#d#
2918	reload_archetypes;
2919	reload_treasures;	3452	reload_treasures;
2920		3453
2921	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
2922	}	3455	}
2923		3456
2924	sub init {	3457	sub reload_config {
2925	reload_resources;	3458	warn "reloading config file...\n";
2926	}
2927		3459
2928	sub cfg_load {
2929	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
2930	or return;	3461	or return;
2931		3462
2932	local $/;	3463	local $/;
2933	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2934		3465
2935	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2936		3467
2937	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2938	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2942	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2943	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2944	};	3475	};
2945	warn $@ if $@;	3476	warn $@ if $@;
2946	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
2947	}	3508	}
2948		3509
2949	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
2950	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2951	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2952	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2953	(async {	3528	(async {
2954	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
2955	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
2956	};	3532	};
2957		3533
2958	cfg_load;	3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
		3541	reload_config;
2959	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_skills;
		3547
		3548	cf::init_beforeplay;
		3549
		3550	atomic;
		3551
2960	load_extensions;	3552	load_extensions;
2961		3553
2962	$TICK_WATCHER->start;	3554	utime time, time, $RUNTIMEFILE;
2963	Event::loop;	3555
		3556	# no (long-running) fork's whatsoever before this point(!)
		3557	use POSIX ();
		3558	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3559
		3560	(pop @POST_INIT)->(0) while @POST_INIT;
		3561	};
		3562
		3563	main_loop;
2964	}	3564	}
2965		3565
2966	#############################################################################	3566	#############################################################################
2967	# initialisation and cleanup	3567	# initialisation and cleanup
2968		3568
2969	# install some emergency cleanup handlers	3569	# install some emergency cleanup handlers
2970	BEGIN {	3570	BEGIN {
		3571	our %SIGWATCHER = ();
2971	for my $signal (qw(INT HUP TERM)) {	3572	for my $signal (qw(INT HUP TERM)) {
2972	Event->signal (	3573	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2973	reentrant => 0,
2974	data => WF_AUTOCANCEL,
2975	signal => $signal,
2976	prio => 0,
2977	cb => sub {
2978	cf::cleanup "SIG$signal";	3574	cf::cleanup "SIG$signal";
2979	},
2980	);	3575	};
2981	}	3576	}
2982	}	3577	}
2983		3578
2984	sub write_runtime {	3579	sub write_runtime_sync {
2985	my $runtime = "$LOCALDIR/runtime";	3580	my $t0 = EV::time;
2986		3581
2987	# first touch the runtime file to show we are still running:	3582	# first touch the runtime file to show we are still running:
2988	# the fsync below can take a very very long time.	3583	# the fsync below can take a very very long time.
2989		3584
2990	IO::AIO::aio_utime $runtime, undef, undef;	3585	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2991		3586
2992	my $guard = cf::lock_acquire "write_runtime";	3587	my $guard = cf::lock_acquire "write_runtime";
2993		3588
2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3589	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2995	or return;	3590	or return;
2996		3591
2997	my $value = $cf::RUNTIME + 90 + 10;	3592	my $value = $cf::RUNTIME + 90 + 10;
2998	# 10 is the runtime save interval, for a monotonic clock	3593	# 10 is the runtime save interval, for a monotonic clock
2999	# 60 allows for the watchdog to kill the server.	3594	# 60 allows for the watchdog to kill the server.
…		…
3009	aio_utime $fh, undef, undef;	3604	aio_utime $fh, undef, undef;
3010		3605
3011	close $fh	3606	close $fh
3012	or return;	3607	or return;
3013		3608
3014	aio_rename "$runtime~", $runtime	3609	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3015	and return;	3610	and return;
3016		3611
3017	warn "runtime file written.\n";	3612	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3018		3613
3019	1	3614	1
		3615	}
		3616
		3617	our $uuid_lock;
		3618	our $uuid_skip;
		3619
		3620	sub write_uuid_sync($) {
		3621	$uuid_skip ||= $_[0];
		3622
		3623	return if $uuid_lock;
		3624	local $uuid_lock = 1;
		3625
		3626	my $uuid = "$LOCALDIR/uuid";
		3627
		3628	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3629	or return;
		3630
		3631	my $value = uuid_seq uuid_cur;
		3632
		3633	unless ($value) {
		3634	warn "cowardly refusing to write zero uuid value!\n";
		3635	return;
		3636	}
		3637
		3638	my $value = uuid_str $value + $uuid_skip;
		3639	$uuid_skip = 0;
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	close $fh
		3649	or return;
		3650
		3651	aio_rename "$uuid~", $uuid
		3652	and return;
		3653
		3654	warn "uuid file written ($value).\n";
		3655
		3656	1
		3657
		3658	}
		3659
		3660	sub write_uuid($$) {
		3661	my ($skip, $sync) = @_;
		3662
		3663	$sync ? write_uuid_sync $skip
		3664	: async { write_uuid_sync $skip };
3020	}	3665	}
3021		3666
3022	sub emergency_save() {	3667	sub emergency_save() {
3023	my $freeze_guard = cf::freeze_mainloop;	3668	my $freeze_guard = cf::freeze_mainloop;
3024		3669
3025	warn "enter emergency perl save\n";	3670	warn "emergency_perl_save: enter\n";
3026		3671
3027	cf::sync_job {	3672	cf::sync_job {
		3673	# this is a trade-off: we want to be very quick here, so
		3674	# save all maps without fsync, and later call a global sync
		3675	# (which in turn might be very very slow)
		3676	local $USE_FSYNC = 0;
		3677
3028	# use a peculiar iteration method to avoid tripping on perl	3678	# use a peculiar iteration method to avoid tripping on perl
3029	# refcount bugs in for. also avoids problems with players	3679	# refcount bugs in for. also avoids problems with players
3030	# and maps saved/destroyed asynchronously.	3680	# and maps saved/destroyed asynchronously.
3031	warn "begin emergency player save\n";	3681	warn "emergency_perl_save: begin player save\n";
3032	for my $login (keys %cf::PLAYER) {	3682	for my $login (keys %cf::PLAYER) {
3033	my $pl = $cf::PLAYER{$login} or next;	3683	my $pl = $cf::PLAYER{$login} or next;
3034	$pl->valid or next;	3684	$pl->valid or next;
		3685	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3035	$pl->save;	3686	$pl->save;
3036	}	3687	}
3037	warn "end emergency player save\n";	3688	warn "emergency_perl_save: end player save\n";
3038		3689
3039	warn "begin emergency map save\n";	3690	warn "emergency_perl_save: begin map save\n";
3040	for my $path (keys %cf::MAP) {	3691	for my $path (keys %cf::MAP) {
3041	my $map = $cf::MAP{$path} or next;	3692	my $map = $cf::MAP{$path} or next;
3042	$map->valid or next;	3693	$map->valid or next;
3043	$map->save;	3694	$map->save;
3044	}	3695	}
3045	warn "end emergency map save\n";	3696	warn "emergency_perl_save: end map save\n";
3046		3697
3047	warn "begin emergency database checkpoint\n";	3698	warn "emergency_perl_save: begin database checkpoint\n";
3048	BDB::db_env_txn_checkpoint $DB_ENV;	3699	BDB::db_env_txn_checkpoint $DB_ENV;
3049	warn "end emergency database checkpoint\n";	3700	warn "emergency_perl_save: end database checkpoint\n";
		3701
		3702	warn "emergency_perl_save: begin write uuid\n";
		3703	write_uuid_sync 1;
		3704	warn "emergency_perl_save: end write uuid\n";
3050	};	3705	};
3051		3706
		3707	warn "emergency_perl_save: starting sync()\n";
		3708	IO::AIO::aio_sync sub {
		3709	warn "emergency_perl_save: finished sync()\n";
		3710	};
		3711
3052	warn "leave emergency perl save\n";	3712	warn "emergency_perl_save: leave\n";
3053	}	3713	}
3054		3714
3055	sub post_cleanup {	3715	sub post_cleanup {
3056	my ($make_core) = @_;	3716	my ($make_core) = @_;
3057		3717
3058	warn Carp::longmess "post_cleanup backtrace"	3718	warn Carp::longmess "post_cleanup backtrace"
3059	if $make_core;	3719	if $make_core;
		3720
		3721	my $fh = pidfile;
		3722	unlink $PIDFILE if <$fh> == $$;
		3723	}
		3724
		3725	# a safer delete_package, copied from Symbol
		3726	sub clear_package($) {
		3727	my $pkg = shift;
		3728
		3729	# expand to full symbol table name if needed
		3730	unless ($pkg =~ /^main::.*::$/) {
		3731	$pkg = "main$pkg" if $pkg =~ /^::/;
		3732	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3733	$pkg .= '::' unless $pkg =~ /::$/;
		3734	}
		3735
		3736	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3737	my $stem_symtab = *{$stem}{HASH};
		3738
		3739	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3740	or return;
		3741
		3742	# clear all symbols
		3743	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3744	for my $name (keys %$leaf_symtab) {
		3745	_gv_clear *{"$pkg$name"};
		3746	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3747	}
		3748	warn "cleared package $pkg\n";#d#
3060	}	3749	}
3061		3750
3062	sub do_reload_perl() {	3751	sub do_reload_perl() {
3063	# can/must only be called in main	3752	# can/must only be called in main
3064	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
3065	warn "can only reload from main coroutine";	3754	warn "can only reload from main coroutine";
3066	return;	3755	return;
3067	}	3756	}
3068		3757
		3758	return if $RELOAD++;
		3759
		3760	my $t1 = EV::time;
		3761
		3762	while ($RELOAD) {
3069	warn "reloading...";	3763	warn "reloading...";
3070		3764
3071	warn "entering sync_job";	3765	warn "entering sync_job";
3072		3766
3073	cf::sync_job {	3767	cf::sync_job {
3074	cf::write_runtime; # external watchdog should not bark	3768	cf::write_runtime_sync; # external watchdog should not bark
3075	cf::emergency_save;	3769	cf::emergency_save;
3076	cf::write_runtime; # external watchdog should not bark	3770	cf::write_runtime_sync; # external watchdog should not bark
3077		3771
3078	warn "syncing database to disk";	3772	warn "syncing database to disk";
3079	BDB::db_env_txn_checkpoint $DB_ENV;	3773	BDB::db_env_txn_checkpoint $DB_ENV;
3080		3774
3081	# if anything goes wrong in here, we should simply crash as we already saved	3775	# if anything goes wrong in here, we should simply crash as we already saved
3082		3776
3083	warn "cancelling all WF_AUTOCANCEL watchers";
3084	for (Event::all_watchers) {
3085	$_->cancel if $_->data & WF_AUTOCANCEL;
3086	}
3087
3088	warn "flushing outstanding aio requests";	3777	warn "flushing outstanding aio requests";
3089	for (;;) {
3090	BDB::flush;
3091	IO::AIO::flush;
3092	Coro::cede;
3093	last unless IO::AIO::nreqs || BDB::nreqs;	3778	while (IO::AIO::nreqs || BDB::nreqs) {
3094	warn "iterate...";	3779	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3095	}
3096
3097	++$RELOAD;
3098
3099	warn "cancelling all extension coros";
3100	$_->cancel for values %EXT_CORO;
3101	%EXT_CORO = ();
3102
3103	warn "removing commands";
3104	%COMMAND = ();
3105
3106	warn "removing ext/exti commands";
3107	%EXTCMD = ();
3108	%EXTICMD = ();
3109
3110	warn "unloading/nuking all extensions";
3111	for my $pkg (@EXTS) {
3112	warn "... unloading $pkg";
3113
3114	if (my $cb = $pkg->can ("unload")) {
3115	eval {
3116	$cb->($pkg);
3117	1
3118	} or warn "$pkg unloaded, but with errors: $@";
3119	}	3780	}
3120		3781
3121	warn "... nuking $pkg";	3782	warn "cancelling all extension coros";
3122	Symbol::delete_package $pkg;	3783	$_->cancel for values %EXT_CORO;
3123	}	3784	%EXT_CORO = ();
3124		3785
3125	warn "unloading all perl modules loaded from $LIBDIR";	3786	warn "removing commands";
3126	while (my ($k, $v) = each %INC) {	3787	%COMMAND = ();
3127	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3128		3788
		3789	warn "removing ext/exti commands";
		3790	%EXTCMD = ();
		3791	%EXTICMD = ();
		3792
		3793	warn "unloading/nuking all extensions";
		3794	for my $pkg (@EXTS) {
3129	warn "... unloading $k";	3795	warn "... unloading $pkg";
3130	delete $INC{$k};
3131		3796
3132	$k =~ s/\.pm$//;
3133	$k =~ s/\//::/g;
3134
3135	if (my $cb = $k->can ("unload_module")) {	3797	if (my $cb = $pkg->can ("unload")) {
		3798	eval {
3136	$cb->();	3799	$cb->($pkg);
		3800	1
		3801	} or warn "$pkg unloaded, but with errors: $@";
		3802	}
		3803
		3804	warn "... clearing $pkg";
		3805	clear_package $pkg;
3137	}	3806	}
3138		3807
3139	Symbol::delete_package $k;	3808	warn "unloading all perl modules loaded from $LIBDIR";
		3809	while (my ($k, $v) = each %INC) {
		3810	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3811
		3812	warn "... unloading $k";
		3813	delete $INC{$k};
		3814
		3815	$k =~ s/\.pm$//;
		3816	$k =~ s/\//::/g;
		3817
		3818	if (my $cb = $k->can ("unload_module")) {
		3819	$cb->();
		3820	}
		3821
		3822	clear_package $k;
3140	}	3823	}
3141		3824
3142	warn "getting rid of safe::, as good as possible";	3825	warn "getting rid of safe::, as good as possible";
3143	Symbol::delete_package "safe::$_"	3826	clear_package "safe::$_"
3144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3827	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3145		3828
3146	warn "unloading cf.pm \"a bit\"";	3829	warn "unloading cf.pm \"a bit\"";
3147	delete $INC{"cf.pm"};	3830	delete $INC{"cf.pm"};
3148	delete $INC{"cf/pod.pm"};	3831	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3149		3832
3150	# don't, removes xs symbols, too,	3833	# don't, removes xs symbols, too,
3151	# and global variables created in xs	3834	# and global variables created in xs
3152	#Symbol::delete_package __PACKAGE__;	3835	#clear_package __PACKAGE__;
3153		3836
3154	warn "unload completed, starting to reload now";	3837	warn "unload completed, starting to reload now";
3155		3838
3156	warn "reloading cf.pm";	3839	warn "reloading cf.pm";
3157	require cf;	3840	require cf;
3158	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3841	cf::_connect_to_perl_1;
3159		3842
3160	warn "loading config and database again";	3843	warn "loading config and database again";
3161	cf::cfg_load;	3844	cf::reload_config;
3162		3845
3163	warn "loading extensions";	3846	warn "loading extensions";
3164	cf::load_extensions;	3847	cf::load_extensions;
3165		3848
		3849	if ($REATTACH_ON_RELOAD) {
3166	warn "reattaching attachments to objects/players";	3850	warn "reattaching attachments to objects/players";
3167	_global_reattach; # objects, sockets	3851	_global_reattach; # objects, sockets
3168	warn "reattaching attachments to maps";	3852	warn "reattaching attachments to maps";
3169	reattach $_ for values %MAP;	3853	reattach $_ for values %MAP;
3170	warn "reattaching attachments to players";	3854	warn "reattaching attachments to players";
3171	reattach $_ for values %PLAYER;	3855	reattach $_ for values %PLAYER;
		3856	}
3172		3857
		3858	warn "running post_init jobs";
		3859	(pop @POST_INIT)->(1) while @POST_INIT;
		3860
3173	warn "leaving sync_job";	3861	warn "leaving sync_job";
3174		3862
3175	1	3863	1
3176	} or do {	3864	} or do {
3177	warn $@;	3865	warn $@;
3178	warn "error while reloading, exiting.";	3866	cf::cleanup "error while reloading, exiting.";
3179	exit 1;
3180	};	3867	};
3181		3868
3182	warn "reloaded";	3869	warn "reloaded";
		3870	--$RELOAD;
		3871	}
		3872
		3873	$t1 = EV::time - $t1;
		3874	warn "reload completed in ${t1}s\n";
3183	};	3875	};
3184		3876
3185	our $RELOAD_WATCHER; # used only during reload	3877	our $RELOAD_WATCHER; # used only during reload
3186		3878
3187	sub reload_perl() {	3879	sub reload_perl() {
3188	# doing reload synchronously and two reloads happen back-to-back,	3880	# doing reload synchronously and two reloads happen back-to-back,
3189	# coro crashes during coro_state_free->destroy here.	3881	# coro crashes during coro_state_free->destroy here.
3190		3882
3191	$RELOAD_WATCHER ||= Event->timer (	3883	$RELOAD_WATCHER ||= cf::async {
3192	reentrant => 0,	3884	Coro::AIO::aio_wait cache_extensions;
3193	after => 0,	3885
3194	data => WF_AUTOCANCEL,	3886	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3195	cb => sub {
3196	do_reload_perl;	3887	do_reload_perl;
3197	undef $RELOAD_WATCHER;	3888	undef $RELOAD_WATCHER;
3198	},	3889	};
3199	);	3890	};
3200	}	3891	}
3201		3892
3202	register_command "reload" => sub {	3893	register_command "reload" => sub {
3203	my ($who, $arg) = @_;	3894	my ($who, $arg) = @_;
3204		3895
3205	if ($who->flag (FLAG_WIZ)) {	3896	if ($who->flag (FLAG_WIZ)) {
3206	$who->message ("reloading server.");	3897	$who->message ("reloading server.");
		3898	async {
		3899	$Coro::current->{desc} = "perl_reload";
3207	async { reload_perl };	3900	reload_perl;
		3901	};
3208	}	3902	}
3209	};	3903	};
3210		3904
3211	unshift @INC, $LIBDIR;	3905	unshift @INC, $LIBDIR;
3212		3906
…		…
3214		3908
3215	our @WAIT_FOR_TICK;	3909	our @WAIT_FOR_TICK;
3216	our @WAIT_FOR_TICK_BEGIN;	3910	our @WAIT_FOR_TICK_BEGIN;
3217		3911
3218	sub wait_for_tick {	3912	sub wait_for_tick {
3219	return unless $TICK_WATCHER->is_active;
3220	return if $Coro::current == $Coro::main;	3913	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3221		3914
3222	my $signal = new Coro::Signal;	3915	my $signal = new Coro::Signal;
3223	push @WAIT_FOR_TICK, $signal;	3916	push @WAIT_FOR_TICK, $signal;
3224	$signal->wait;	3917	$signal->wait;
3225	}	3918	}
3226		3919
3227	sub wait_for_tick_begin {	3920	sub wait_for_tick_begin {
3228	return unless $TICK_WATCHER->is_active;
3229	return if $Coro::current == $Coro::main;	3921	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3230		3922
3231	my $signal = new Coro::Signal;	3923	my $signal = new Coro::Signal;
3232	push @WAIT_FOR_TICK_BEGIN, $signal;	3924	push @WAIT_FOR_TICK_BEGIN, $signal;
3233	$signal->wait;	3925	$signal->wait;
3234	}	3926	}
3235		3927
3236	my $min = 1e6;#d#	3928	sub tick {
3237	my $avg = 10;
3238	$TICK_WATCHER = Event->timer (
3239	reentrant => 0,
3240	parked => 1,
3241	prio => 0,
3242	at => $NEXT_TICK || $TICK,
3243	data => WF_AUTOCANCEL,
3244	cb => sub {
3245	if ($Coro::current != $Coro::main) {	3929	if ($Coro::current != $Coro::main) {
3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3930	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3247	unless ++$bug_warning > 10;	3931	unless ++$bug_warning > 10;
3248	return;	3932	return;
3249	}	3933	}
3250		3934
3251	$NOW = $tick_start = Event::time;
3252
3253	cf::server_tick; # one server iteration	3935	cf::server_tick; # one server iteration
3254		3936
3255	0 && sync_job {#d#	3937	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3256	for(1..10) {
3257	my $t = Event::time;
3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3259	or die;
3260		3938
3261	$map->width (50);	3939	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3262	$map->height (50);	3940	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3263	$map->alloc;	3941	Coro::async_pool {
3264	$map->_load_objects ("/tmp/x.map", 1);	3942	$Coro::current->{desc} = "runtime saver";
3265	my $t = Event::time - $t;	3943	write_runtime_sync
3266		3944	or warn "ERROR: unable to write runtime file: $!";
3267	#next unless $t < 0.0013;#d#
3268	if ($t < $min) {
3269	$min = $t;
3270	}
3271	$avg = $avg * 0.99 + $t * 0.01;
3272	}
3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3274	exit 0;
3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3276	};	3945	};
		3946	}
3277		3947
3278	$RUNTIME += $TICK;
3279	$NEXT_TICK += $TICK;
3280
3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
3283	Coro::async_pool {
3284	write_runtime
3285	or warn "ERROR: unable to write runtime file: $!";
3286	};
3287	}
3288
3289	# my $AFTER = Event::time;
3290	# warn $AFTER - $NOW;#d#
3291
3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3948	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3293	$sig->send;	3949	$sig->send;
3294	}	3950	}
3295	while (my $sig = shift @WAIT_FOR_TICK) {	3951	while (my $sig = shift @WAIT_FOR_TICK) {
3296	$sig->send;	3952	$sig->send;
3297	}	3953	}
3298		3954
3299	$NOW = Event::time;	3955	$LOAD = ($NOW - $TICK_START) / $TICK;
3300
3301	# if we are delayed by four ticks or more, skip them all
3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3303
3304	$TICK_WATCHER->at ($NEXT_TICK);
3305	$TICK_WATCHER->start;
3306
3307	$LOAD = ($NOW - $tick_start) / $TICK;
3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3956	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3309		3957
3310	_post_tick;	3958	if (0) {
3311		3959	if ($NEXT_TICK) {
3312		3960	my $jitter = $TICK_START - $NEXT_TICK;
		3961	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3962	warn "jitter $JITTER\n";#d#
		3963	}
3313	},	3964	}
3314	);	3965	}
3315		3966
3316	{	3967	{
3317	BDB::max_poll_time $TICK * 0.1;	3968	# configure BDB
3318	$BDB_POLL_WATCHER = Event->io (	3969
3319	reentrant => 0,
3320	fd => BDB::poll_fileno,
3321	poll => 'r',
3322	prio => 0,
3323	data => WF_AUTOCANCEL,
3324	cb => \&BDB::poll_cb,
3325	);
3326	BDB::min_parallel 8;	3970	BDB::min_parallel 16;
3327		3971	BDB::max_poll_reqs $TICK * 0.1;
3328	BDB::set_sync_prepare {	3972	$AnyEvent::BDB::WATCHER->priority (1);
3329	my $status;
3330	my $current = $Coro::current;
3331	(
3332	sub {
3333	$status = $!;
3334	$current->ready; undef $current;
3335	},
3336	sub {
3337	Coro::schedule while defined $current;
3338	$! = $status;
3339	},
3340	)
3341	};
3342		3973
3343	unless ($DB_ENV) {	3974	unless ($DB_ENV) {
3344	$DB_ENV = BDB::db_env_create;	3975	$DB_ENV = BDB::db_env_create;
		3976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3977	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3978	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3979	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3980	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3345		3981
3346	cf::sync_job {	3982	cf::sync_job {
3347	eval {	3983	eval {
3348	BDB::db_env_open	3984	BDB::db_env_open
3349	$DB_ENV,	3985	$DB_ENV,
…		…
3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3987	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3988	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3353	0666;	3989	0666;
3354		3990
3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3991	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3356
3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3358	$DB_ENV->set_lk_detect;
3359	};	3992	};
3360		3993
3361	cf::cleanup "db_env_open(db): $@" if $@;	3994	cf::cleanup "db_env_open(db): $@" if $@;
3362	};	3995	};
3363	}	3996	}
		3997
		3998	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3999	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4000	};
		4001	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4002	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4003	};
		4004	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4005	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4006	};
3364	}	4007	}
3365		4008
3366	{	4009	{
		4010	# configure IO::AIO
		4011
3367	IO::AIO::min_parallel 8;	4012	IO::AIO::min_parallel 8;
3368
3369	undef $Coro::AIO::WATCHER;
3370	IO::AIO::max_poll_time $TICK * 0.1;	4013	IO::AIO::max_poll_time $TICK * 0.1;
3371	$AIO_POLL_WATCHER = Event->io (	4014	undef $AnyEvent::AIO::WATCHER;
3372	reentrant => 0,
3373	data => WF_AUTOCANCEL,
3374	fd => IO::AIO::poll_fileno,
3375	poll => 'r',
3376	prio => 6,
3377	cb => \&IO::AIO::poll_cb,
3378	);
3379	}	4015	}
3380		4016
3381	my $_log_backtrace;	4017	my $_log_backtrace;
3382		4018
3383	sub _log_backtrace {	4019	sub _log_backtrace {
…		…
3386	$msg =~ s/\n//;	4022	$msg =~ s/\n//;
3387		4023
3388	# limit the # of concurrent backtraces	4024	# limit the # of concurrent backtraces
3389	if ($_log_backtrace < 2) {	4025	if ($_log_backtrace < 2) {
3390	++$_log_backtrace;	4026	++$_log_backtrace;
		4027	my $perl_bt = Carp::longmess $msg;
3391	async {	4028	async {
		4029	$Coro::current->{desc} = "abt $msg";
		4030
3392	my @bt = fork_call {	4031	my @bt = fork_call {
3393	@addr = map { sprintf "%x", $_ } @addr;	4032	@addr = map { sprintf "%x", $_ } @addr;
3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4033	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4034	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3396	or die "addr2line: $!";	4035	or die "addr2line: $!";
…		…
3404	}	4043	}
3405		4044
3406	@funcs	4045	@funcs
3407	};	4046	};
3408		4047
3409	LOG llevInfo, "[ABT] $msg\n";	4048	LOG llevInfo, "[ABT] $perl_bt\n";
		4049	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3410	LOG llevInfo, "[ABT] $_\n" for @bt;	4050	LOG llevInfo, "[ABT] $_\n" for @bt;
3411	--$_log_backtrace;	4051	--$_log_backtrace;
3412	};	4052	};
3413	} else {	4053	} else {
3414	LOG llevInfo, "[ABT] $msg\n";	4054	LOG llevInfo, "[ABT] $msg\n";
3415	LOG llevInfo, "[ABT] [suppressed]\n";	4055	LOG llevInfo, "[ABT] [suppressed]\n";
3416	}	4056	}
3417	}	4057	}
3418		4058
3419	# load additional modules	4059	# load additional modules
3420	use cf::pod;	4060	require "cf/$_.pm" for @EXTRA_MODULES;
		4061	cf::_connect_to_perl_2;
3421		4062
3422	END { cf::emergency_save }	4063	END { cf::emergency_save }
3423		4064
3424	1	4065	1
3425		4066

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